/* * nghttp2 - HTTP/2 C Library * * Copyright (c) 2013 Tatsuhiro Tsujikawa * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "nghttp2_session_test.h" #include #include #include "munit.h" #include "nghttp2_session.h" #include "nghttp2_stream.h" #include "nghttp2_net.h" #include "nghttp2_helper.h" #include "nghttp2_test_helper.h" #include "nghttp2_assertion.h" #include "nghttp2_priority_spec.h" #include "nghttp2_extpri.h" static const MunitTest tests[] = { munit_void_test(test_nghttp2_session_recv), munit_void_test(test_nghttp2_session_recv_invalid_stream_id), munit_void_test(test_nghttp2_session_recv_invalid_frame), munit_void_test(test_nghttp2_session_recv_eof), munit_void_test(test_nghttp2_session_recv_data), munit_void_test(test_nghttp2_session_recv_data_no_auto_flow_control), munit_void_test(test_nghttp2_session_recv_continuation), munit_void_test(test_nghttp2_session_recv_headers_with_priority), munit_void_test(test_nghttp2_session_recv_headers_with_padding), munit_void_test(test_nghttp2_session_recv_headers_early_response), munit_void_test(test_nghttp2_session_recv_headers_for_closed_stream), munit_void_test(test_nghttp2_session_recv_headers_with_extpri), munit_void_test(test_nghttp2_session_server_recv_push_response), munit_void_test(test_nghttp2_session_recv_premature_headers), munit_void_test(test_nghttp2_session_recv_unknown_frame), munit_void_test(test_nghttp2_session_recv_unexpected_continuation), munit_void_test(test_nghttp2_session_recv_settings_header_table_size), munit_void_test(test_nghttp2_session_recv_too_large_frame_length), munit_void_test(test_nghttp2_session_recv_extension), munit_void_test(test_nghttp2_session_recv_altsvc), munit_void_test(test_nghttp2_session_recv_origin), munit_void_test(test_nghttp2_session_recv_priority_update), munit_void_test(test_nghttp2_session_continue), munit_void_test(test_nghttp2_session_add_frame), munit_void_test(test_nghttp2_session_on_request_headers_received), munit_void_test(test_nghttp2_session_on_response_headers_received), munit_void_test(test_nghttp2_session_on_headers_received), munit_void_test(test_nghttp2_session_on_push_response_headers_received), munit_void_test(test_nghttp2_session_on_priority_received), munit_void_test(test_nghttp2_session_on_rst_stream_received), munit_void_test(test_nghttp2_session_on_settings_received), munit_void_test(test_nghttp2_session_on_push_promise_received), munit_void_test(test_nghttp2_session_on_ping_received), munit_void_test(test_nghttp2_session_on_goaway_received), munit_void_test(test_nghttp2_session_on_window_update_received), munit_void_test(test_nghttp2_session_on_data_received), munit_void_test(test_nghttp2_session_on_data_received_fail_fast), munit_void_test(test_nghttp2_session_on_altsvc_received), munit_void_test(test_nghttp2_session_send_headers_start_stream), munit_void_test(test_nghttp2_session_send_headers_reply), munit_void_test(test_nghttp2_session_send_headers_frame_size_error), munit_void_test(test_nghttp2_session_send_headers_push_reply), munit_void_test(test_nghttp2_session_send_rst_stream), munit_void_test(test_nghttp2_session_send_push_promise), munit_void_test(test_nghttp2_session_is_my_stream_id), munit_void_test(test_nghttp2_session_upgrade2), munit_void_test(test_nghttp2_session_reprioritize_stream), munit_void_test( test_nghttp2_session_reprioritize_stream_with_idle_stream_dep), munit_void_test(test_nghttp2_submit_data), munit_void_test(test_nghttp2_submit_data_read_length_too_large), munit_void_test(test_nghttp2_submit_data_read_length_smallest), munit_void_test(test_nghttp2_submit_data_twice), munit_void_test(test_nghttp2_submit_request_with_data), munit_void_test(test_nghttp2_submit_request_without_data), munit_void_test(test_nghttp2_submit_response_with_data), munit_void_test(test_nghttp2_submit_response_without_data), munit_void_test(test_nghttp2_submit_response_push_response), munit_void_test(test_nghttp2_submit_trailer), munit_void_test(test_nghttp2_submit_headers_start_stream), munit_void_test(test_nghttp2_submit_headers_reply), munit_void_test(test_nghttp2_submit_headers_push_reply), munit_void_test(test_nghttp2_submit_headers), munit_void_test(test_nghttp2_submit_headers_continuation), munit_void_test(test_nghttp2_submit_headers_continuation_extra_large), munit_void_test(test_nghttp2_submit_priority), munit_void_test(test_nghttp2_submit_settings), munit_void_test(test_nghttp2_submit_settings_update_local_window_size), munit_void_test(test_nghttp2_submit_settings_multiple_times), munit_void_test(test_nghttp2_submit_push_promise), munit_void_test(test_nghttp2_submit_window_update), munit_void_test(test_nghttp2_submit_window_update_local_window_size), munit_void_test(test_nghttp2_submit_shutdown_notice), munit_void_test(test_nghttp2_submit_invalid_nv), munit_void_test(test_nghttp2_submit_extension), munit_void_test(test_nghttp2_submit_altsvc), munit_void_test(test_nghttp2_submit_origin), munit_void_test(test_nghttp2_submit_priority_update), munit_void_test(test_nghttp2_submit_rst_stream), munit_void_test(test_nghttp2_session_open_stream), munit_void_test(test_nghttp2_session_open_stream_with_idle_stream_dep), munit_void_test(test_nghttp2_session_get_next_ob_item), munit_void_test(test_nghttp2_session_pop_next_ob_item), munit_void_test(test_nghttp2_session_reply_fail), munit_void_test(test_nghttp2_session_max_concurrent_streams), munit_void_test(test_nghttp2_session_stop_data_with_rst_stream), munit_void_test(test_nghttp2_session_defer_data), munit_void_test(test_nghttp2_session_flow_control), munit_void_test(test_nghttp2_session_flow_control_data_recv), munit_void_test(test_nghttp2_session_flow_control_data_with_padding_recv), munit_void_test(test_nghttp2_session_data_read_temporal_failure), munit_void_test(test_nghttp2_session_on_stream_close), munit_void_test(test_nghttp2_session_on_ctrl_not_send), munit_void_test(test_nghttp2_session_get_outbound_queue_size), munit_void_test(test_nghttp2_session_get_effective_local_window_size), munit_void_test(test_nghttp2_session_set_option), munit_void_test(test_nghttp2_session_data_backoff_by_high_pri_frame), munit_void_test(test_nghttp2_session_pack_data_with_padding), munit_void_test(test_nghttp2_session_pack_headers_with_padding), munit_void_test(test_nghttp2_pack_settings_payload), munit_void_test(test_nghttp2_session_stream_dep_add), munit_void_test(test_nghttp2_session_stream_dep_remove), munit_void_test(test_nghttp2_session_stream_dep_add_subtree), munit_void_test(test_nghttp2_session_stream_dep_remove_subtree), munit_void_test( test_nghttp2_session_stream_dep_all_your_stream_are_belong_to_us), munit_void_test(test_nghttp2_session_stream_attach_item), munit_void_test(test_nghttp2_session_stream_attach_item_subtree), munit_void_test(test_nghttp2_session_stream_get_state), munit_void_test(test_nghttp2_session_stream_get_something), munit_void_test(test_nghttp2_session_find_stream), munit_void_test(test_nghttp2_session_keep_closed_stream), munit_void_test(test_nghttp2_session_keep_idle_stream), munit_void_test(test_nghttp2_session_detach_idle_stream), munit_void_test(test_nghttp2_session_large_dep_tree), munit_void_test(test_nghttp2_session_graceful_shutdown), munit_void_test(test_nghttp2_session_on_header_temporal_failure), munit_void_test(test_nghttp2_session_recv_client_magic), munit_void_test(test_nghttp2_session_delete_data_item), munit_void_test(test_nghttp2_session_open_idle_stream), munit_void_test(test_nghttp2_session_cancel_reserved_remote), munit_void_test(test_nghttp2_session_reset_pending_headers), munit_void_test(test_nghttp2_session_send_data_callback), munit_void_test(test_nghttp2_session_on_begin_headers_temporal_failure), munit_void_test(test_nghttp2_session_defer_then_close), munit_void_test(test_nghttp2_session_detach_item_from_closed_stream), munit_void_test(test_nghttp2_session_flooding), munit_void_test(test_nghttp2_session_change_stream_priority), munit_void_test(test_nghttp2_session_change_extpri_stream_priority), munit_void_test(test_nghttp2_session_create_idle_stream), munit_void_test(test_nghttp2_session_repeated_priority_change), munit_void_test(test_nghttp2_session_repeated_priority_submission), munit_void_test(test_nghttp2_session_set_local_window_size), munit_void_test(test_nghttp2_session_cancel_from_before_frame_send), munit_void_test(test_nghttp2_session_too_many_settings), munit_void_test(test_nghttp2_session_removed_closed_stream), munit_void_test(test_nghttp2_session_pause_data), munit_void_test(test_nghttp2_session_no_closed_streams), munit_void_test(test_nghttp2_session_set_stream_user_data), munit_void_test(test_nghttp2_session_no_rfc7540_priorities), munit_void_test(test_nghttp2_session_server_fallback_rfc7540_priorities), munit_void_test(test_nghttp2_session_stream_reset_ratelim), munit_void_test(test_nghttp2_http_mandatory_headers), munit_void_test(test_nghttp2_http_content_length), munit_void_test(test_nghttp2_http_content_length_mismatch), munit_void_test(test_nghttp2_http_non_final_response), munit_void_test(test_nghttp2_http_trailer_headers), munit_void_test(test_nghttp2_http_ignore_regular_header), munit_void_test(test_nghttp2_http_ignore_content_length), munit_void_test(test_nghttp2_http_record_request_method), munit_void_test(test_nghttp2_http_push_promise), munit_void_test(test_nghttp2_http_head_method_upgrade_workaround), munit_void_test( test_nghttp2_http_no_rfc9113_leading_and_trailing_ws_validation), munit_test_end(), }; const MunitSuite session_suite = { "/session", tests, NULL, 1, MUNIT_SUITE_OPTION_NONE, }; typedef struct { uint8_t buf[65535]; size_t length; } accumulator; typedef struct { uint8_t data[8192]; uint8_t *datamark; uint8_t *datalimit; size_t feedseq[8192]; size_t seqidx; } scripted_data_feed; typedef struct { accumulator *acc; scripted_data_feed *df; int frame_recv_cb_called, invalid_frame_recv_cb_called; uint8_t recv_frame_type; nghttp2_frame_hd recv_frame_hd; int frame_send_cb_called; uint8_t sent_frame_type; int before_frame_send_cb_called; int frame_not_send_cb_called; uint8_t not_sent_frame_type; int not_sent_error; int stream_close_cb_called; uint32_t stream_close_error_code; size_t data_source_length; int32_t stream_id; size_t block_count; int data_chunk_recv_cb_called; const nghttp2_frame *frame; size_t fixed_sendlen; int header_cb_called; int invalid_header_cb_called; int begin_headers_cb_called; nghttp2_nv nv; size_t data_chunk_len; size_t padlen; int begin_frame_cb_called; nghttp2_buf scratchbuf; size_t data_source_read_cb_paused; } my_user_data; static const nghttp2_nv reqnv[] = { MAKE_NV(":method", "GET"), MAKE_NV(":path", "/"), MAKE_NV(":scheme", "https"), MAKE_NV(":authority", "localhost"), }; static const nghttp2_nv resnv[] = { MAKE_NV(":status", "200"), }; static const nghttp2_nv trailernv[] = { // from http://tools.ietf.org/html/rfc6249#section-7 MAKE_NV("digest", "SHA-256=" "MWVkMWQxYTRiMzk5MDQ0MzI3NGU5NDEyZTk5OWY1ZGFmNzgyZTJlODYz" "YjRjYzFhOTlmNTQwYzI2M2QwM2U2MQ=="), }; static void scripted_data_feed_init2(scripted_data_feed *df, nghttp2_bufs *bufs) { nghttp2_buf_chain *ci; nghttp2_buf *buf; uint8_t *ptr; size_t len; memset(df, 0, sizeof(scripted_data_feed)); ptr = df->data; len = 0; for (ci = bufs->head; ci; ci = ci->next) { buf = &ci->buf; ptr = nghttp2_cpymem(ptr, buf->pos, nghttp2_buf_len(buf)); len += nghttp2_buf_len(buf); } df->datamark = df->data; df->datalimit = df->data + len; df->feedseq[0] = len; } static nghttp2_ssize null_send_callback(nghttp2_session *session, const uint8_t *data, size_t len, int flags, void *user_data) { (void)session; (void)data; (void)flags; (void)user_data; return (nghttp2_ssize)len; } static nghttp2_ssize fail_send_callback(nghttp2_session *session, const uint8_t *data, size_t len, int flags, void *user_data) { (void)session; (void)data; (void)len; (void)flags; (void)user_data; return NGHTTP2_ERR_CALLBACK_FAILURE; } static nghttp2_ssize fixed_bytes_send_callback(nghttp2_session *session, const uint8_t *data, size_t len, int flags, void *user_data) { size_t fixed_sendlen = ((my_user_data *)user_data)->fixed_sendlen; (void)session; (void)data; (void)flags; return (nghttp2_ssize)(fixed_sendlen < len ? fixed_sendlen : len); } static nghttp2_ssize scripted_recv_callback(nghttp2_session *session, uint8_t *data, size_t len, int flags, void *user_data) { scripted_data_feed *df = ((my_user_data *)user_data)->df; size_t wlen = df->feedseq[df->seqidx] > len ? len : df->feedseq[df->seqidx]; (void)session; (void)flags; memcpy(data, df->datamark, wlen); df->datamark += wlen; df->feedseq[df->seqidx] -= wlen; if (df->feedseq[df->seqidx] == 0) { ++df->seqidx; } return (nghttp2_ssize)wlen; } static nghttp2_ssize eof_recv_callback(nghttp2_session *session, uint8_t *data, size_t len, int flags, void *user_data) { (void)session; (void)data; (void)len; (void)flags; (void)user_data; return NGHTTP2_ERR_EOF; } static nghttp2_ssize accumulator_send_callback(nghttp2_session *session, const uint8_t *buf, size_t len, int flags, void *user_data) { accumulator *acc = ((my_user_data *)user_data)->acc; (void)session; (void)flags; assert(acc->length + len < sizeof(acc->buf)); memcpy(acc->buf + acc->length, buf, len); acc->length += len; return (nghttp2_ssize)len; } static int on_begin_frame_callback(nghttp2_session *session, const nghttp2_frame_hd *hd, void *user_data) { my_user_data *ud = (my_user_data *)user_data; (void)session; (void)hd; ++ud->begin_frame_cb_called; return 0; } static int on_frame_recv_callback(nghttp2_session *session, const nghttp2_frame *frame, void *user_data) { my_user_data *ud = (my_user_data *)user_data; (void)session; ++ud->frame_recv_cb_called; ud->recv_frame_type = frame->hd.type; ud->recv_frame_hd = frame->hd; return 0; } static int on_invalid_frame_recv_callback(nghttp2_session *session, const nghttp2_frame *frame, int lib_error_code, void *user_data) { my_user_data *ud = (my_user_data *)user_data; (void)session; (void)frame; (void)lib_error_code; ++ud->invalid_frame_recv_cb_called; return 0; } static int on_frame_send_callback(nghttp2_session *session, const nghttp2_frame *frame, void *user_data) { my_user_data *ud = (my_user_data *)user_data; (void)session; ++ud->frame_send_cb_called; ud->sent_frame_type = frame->hd.type; return 0; } static int on_frame_not_send_callback(nghttp2_session *session, const nghttp2_frame *frame, int lib_error, void *user_data) { my_user_data *ud = (my_user_data *)user_data; (void)session; ++ud->frame_not_send_cb_called; ud->not_sent_frame_type = frame->hd.type; ud->not_sent_error = lib_error; return 0; } static int cancel_before_frame_send_callback(nghttp2_session *session, const nghttp2_frame *frame, void *user_data) { my_user_data *ud = (my_user_data *)user_data; (void)session; (void)frame; ++ud->before_frame_send_cb_called; return NGHTTP2_ERR_CANCEL; } static int on_data_chunk_recv_callback(nghttp2_session *session, uint8_t flags, int32_t stream_id, const uint8_t *data, size_t len, void *user_data) { my_user_data *ud = (my_user_data *)user_data; (void)session; (void)flags; (void)stream_id; (void)data; ++ud->data_chunk_recv_cb_called; ud->data_chunk_len = len; return 0; } static int pause_on_data_chunk_recv_callback(nghttp2_session *session, uint8_t flags, int32_t stream_id, const uint8_t *data, size_t len, void *user_data) { my_user_data *ud = (my_user_data *)user_data; (void)session; (void)flags; (void)stream_id; (void)data; (void)len; ++ud->data_chunk_recv_cb_called; return NGHTTP2_ERR_PAUSE; } static nghttp2_ssize select_padding_callback(nghttp2_session *session, const nghttp2_frame *frame, size_t max_payloadlen, void *user_data) { my_user_data *ud = (my_user_data *)user_data; (void)session; return (nghttp2_ssize)nghttp2_min(max_payloadlen, frame->hd.length + ud->padlen); } static nghttp2_ssize too_large_data_source_length_callback( nghttp2_session *session, uint8_t frame_type, int32_t stream_id, int32_t session_remote_window_size, int32_t stream_remote_window_size, uint32_t remote_max_frame_size, void *user_data) { (void)session; (void)frame_type; (void)stream_id; (void)session_remote_window_size; (void)stream_remote_window_size; (void)remote_max_frame_size; (void)user_data; return NGHTTP2_MAX_FRAME_SIZE_MAX + 1; } static nghttp2_ssize smallest_length_data_source_length_callback( nghttp2_session *session, uint8_t frame_type, int32_t stream_id, int32_t session_remote_window_size, int32_t stream_remote_window_size, uint32_t remote_max_frame_size, void *user_data) { (void)session; (void)frame_type; (void)stream_id; (void)session_remote_window_size; (void)stream_remote_window_size; (void)remote_max_frame_size; (void)user_data; return 1; } static nghttp2_ssize fixed_length_data_source_read_callback( nghttp2_session *session, int32_t stream_id, uint8_t *buf, size_t len, uint32_t *data_flags, nghttp2_data_source *source, void *user_data) { my_user_data *ud = (my_user_data *)user_data; size_t wlen; (void)session; (void)stream_id; (void)buf; (void)source; if (len < ud->data_source_length) { wlen = len; } else { wlen = ud->data_source_length; } ud->data_source_length -= wlen; if (ud->data_source_length == 0) { *data_flags |= NGHTTP2_DATA_FLAG_EOF; } return (nghttp2_ssize)wlen; } static nghttp2_ssize temporal_failure_data_source_read_callback( nghttp2_session *session, int32_t stream_id, uint8_t *buf, size_t len, uint32_t *data_flags, nghttp2_data_source *source, void *user_data) { (void)session; (void)stream_id; (void)buf; (void)len; (void)data_flags; (void)source; (void)user_data; return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE; } static nghttp2_ssize fail_data_source_read_callback(nghttp2_session *session, int32_t stream_id, uint8_t *buf, size_t len, uint32_t *data_flags, nghttp2_data_source *source, void *user_data) { (void)session; (void)stream_id; (void)buf; (void)len; (void)data_flags; (void)source; (void)user_data; return NGHTTP2_ERR_CALLBACK_FAILURE; } static nghttp2_ssize no_end_stream_data_source_read_callback( nghttp2_session *session, int32_t stream_id, uint8_t *buf, size_t len, uint32_t *data_flags, nghttp2_data_source *source, void *user_data) { (void)session; (void)stream_id; (void)buf; (void)len; (void)source; (void)user_data; *data_flags |= NGHTTP2_DATA_FLAG_EOF | NGHTTP2_DATA_FLAG_NO_END_STREAM; return 0; } static nghttp2_ssize no_copy_data_source_read_callback( nghttp2_session *session, int32_t stream_id, uint8_t *buf, size_t len, uint32_t *data_flags, nghttp2_data_source *source, void *user_data) { my_user_data *ud = (my_user_data *)user_data; size_t wlen; (void)session; (void)stream_id; (void)buf; (void)source; if (len < ud->data_source_length) { wlen = len; } else { wlen = ud->data_source_length; } ud->data_source_length -= wlen; *data_flags |= NGHTTP2_DATA_FLAG_NO_COPY; if (ud->data_source_length == 0) { *data_flags |= NGHTTP2_DATA_FLAG_EOF; } return (nghttp2_ssize)wlen; } static int send_data_callback(nghttp2_session *session, nghttp2_frame *frame, const uint8_t *framehd, size_t length, nghttp2_data_source *source, void *user_data) { accumulator *acc = ((my_user_data *)user_data)->acc; (void)session; (void)source; memcpy(acc->buf + acc->length, framehd, NGHTTP2_FRAME_HDLEN); acc->length += NGHTTP2_FRAME_HDLEN; if (frame->data.padlen) { *(acc->buf + acc->length++) = (uint8_t)(frame->data.padlen - 1); } acc->length += length; if (frame->data.padlen) { acc->length += frame->data.padlen - 1; } return 0; } static nghttp2_ssize block_count_send_callback(nghttp2_session *session, const uint8_t *data, size_t len, int flags, void *user_data) { my_user_data *ud = (my_user_data *)user_data; (void)session; (void)data; (void)flags; if (ud->block_count == 0) { return NGHTTP2_ERR_WOULDBLOCK; } --ud->block_count; return (nghttp2_ssize)len; } static int on_header_callback(nghttp2_session *session, const nghttp2_frame *frame, const uint8_t *name, size_t namelen, const uint8_t *value, size_t valuelen, uint8_t flags, void *user_data) { my_user_data *ud = (my_user_data *)user_data; (void)session; (void)flags; ++ud->header_cb_called; ud->nv.name = (uint8_t *)name; ud->nv.namelen = namelen; ud->nv.value = (uint8_t *)value; ud->nv.valuelen = valuelen; ud->frame = frame; return 0; } static int pause_on_header_callback(nghttp2_session *session, const nghttp2_frame *frame, const uint8_t *name, size_t namelen, const uint8_t *value, size_t valuelen, uint8_t flags, void *user_data) { on_header_callback(session, frame, name, namelen, value, valuelen, flags, user_data); return NGHTTP2_ERR_PAUSE; } static int temporal_failure_on_header_callback( nghttp2_session *session, const nghttp2_frame *frame, const uint8_t *name, size_t namelen, const uint8_t *value, size_t valuelen, uint8_t flags, void *user_data) { on_header_callback(session, frame, name, namelen, value, valuelen, flags, user_data); return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE; } static int on_invalid_header_callback(nghttp2_session *session, const nghttp2_frame *frame, const uint8_t *name, size_t namelen, const uint8_t *value, size_t valuelen, uint8_t flags, void *user_data) { my_user_data *ud = (my_user_data *)user_data; (void)session; (void)flags; ++ud->invalid_header_cb_called; ud->nv.name = (uint8_t *)name; ud->nv.namelen = namelen; ud->nv.value = (uint8_t *)value; ud->nv.valuelen = valuelen; ud->frame = frame; return 0; } static int pause_on_invalid_header_callback(nghttp2_session *session, const nghttp2_frame *frame, const uint8_t *name, size_t namelen, const uint8_t *value, size_t valuelen, uint8_t flags, void *user_data) { on_invalid_header_callback(session, frame, name, namelen, value, valuelen, flags, user_data); return NGHTTP2_ERR_PAUSE; } static int reset_on_invalid_header_callback(nghttp2_session *session, const nghttp2_frame *frame, const uint8_t *name, size_t namelen, const uint8_t *value, size_t valuelen, uint8_t flags, void *user_data) { on_invalid_header_callback(session, frame, name, namelen, value, valuelen, flags, user_data); return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE; } static int on_begin_headers_callback(nghttp2_session *session, const nghttp2_frame *frame, void *user_data) { my_user_data *ud = (my_user_data *)user_data; (void)session; (void)frame; ++ud->begin_headers_cb_called; return 0; } static int temporal_failure_on_begin_headers_callback( nghttp2_session *session, const nghttp2_frame *frame, void *user_data) { on_begin_headers_callback(session, frame, user_data); return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE; } static nghttp2_ssize defer_data_source_read_callback(nghttp2_session *session, int32_t stream_id, uint8_t *buf, size_t len, uint32_t *data_flags, nghttp2_data_source *source, void *user_data) { (void)session; (void)stream_id; (void)buf; (void)len; (void)data_flags; (void)source; (void)user_data; return NGHTTP2_ERR_DEFERRED; } static int on_stream_close_callback(nghttp2_session *session, int32_t stream_id, uint32_t error_code, void *user_data) { my_user_data *my_data = (my_user_data *)user_data; (void)session; (void)stream_id; (void)error_code; ++my_data->stream_close_cb_called; my_data->stream_close_error_code = error_code; return 0; } static int fatal_error_on_stream_close_callback(nghttp2_session *session, int32_t stream_id, uint32_t error_code, void *user_data) { on_stream_close_callback(session, stream_id, error_code, user_data); return NGHTTP2_ERR_CALLBACK_FAILURE; } static nghttp2_ssize pack_extension_callback(nghttp2_session *session, uint8_t *buf, size_t len, const nghttp2_frame *frame, void *user_data) { nghttp2_buf *p = frame->ext.payload; (void)session; (void)len; (void)user_data; memcpy(buf, p->pos, nghttp2_buf_len(p)); return (nghttp2_ssize)nghttp2_buf_len(p); } static int on_extension_chunk_recv_callback(nghttp2_session *session, const nghttp2_frame_hd *hd, const uint8_t *data, size_t len, void *user_data) { my_user_data *my_data = (my_user_data *)user_data; nghttp2_buf *buf = &my_data->scratchbuf; (void)session; (void)hd; buf->last = nghttp2_cpymem(buf->last, data, len); return 0; } static int cancel_on_extension_chunk_recv_callback(nghttp2_session *session, const nghttp2_frame_hd *hd, const uint8_t *data, size_t len, void *user_data) { (void)session; (void)hd; (void)data; (void)len; (void)user_data; return NGHTTP2_ERR_CANCEL; } static int unpack_extension_callback(nghttp2_session *session, void **payload, const nghttp2_frame_hd *hd, void *user_data) { my_user_data *my_data = (my_user_data *)user_data; nghttp2_buf *buf = &my_data->scratchbuf; (void)session; (void)hd; *payload = buf; return 0; } static int cancel_unpack_extension_callback(nghttp2_session *session, void **payload, const nghttp2_frame_hd *hd, void *user_data) { (void)session; (void)payload; (void)hd; (void)user_data; return NGHTTP2_ERR_CANCEL; } static nghttp2_settings_entry *dup_iv(const nghttp2_settings_entry *iv, size_t niv) { return nghttp2_frame_iv_copy(iv, niv, nghttp2_mem_default()); } static nghttp2_priority_spec pri_spec_default = {0, NGHTTP2_DEFAULT_WEIGHT, 0}; void test_nghttp2_session_recv(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; scripted_data_feed df; my_user_data user_data; nghttp2_bufs bufs; size_t framelen; nghttp2_frame frame; size_t i; nghttp2_outbound_item *item; nghttp2_nv *nva; size_t nvlen; nghttp2_hd_deflater deflater; int rv; nghttp2_mem *mem; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.recv_callback2 = scripted_recv_callback; callbacks.on_frame_recv_callback = on_frame_recv_callback; callbacks.on_begin_frame_callback = on_begin_frame_callback; user_data.df = &df; nghttp2_session_server_new(&session, &callbacks, &user_data); nghttp2_hd_deflate_init(&deflater, mem); nvlen = ARRLEN(reqnv); nghttp2_nv_array_copy(&nva, reqnv, nvlen, mem); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS, 1, NGHTTP2_HCAT_HEADERS, NULL, nva, nvlen); rv = nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater); assert_int(0, ==, rv); scripted_data_feed_init2(&df, &bufs); framelen = nghttp2_bufs_len(&bufs); /* Send 1 byte per each read */ for (i = 0; i < framelen; ++i) { df.feedseq[i] = 1; } nghttp2_frame_headers_free(&frame.headers, mem); user_data.frame_recv_cb_called = 0; user_data.begin_frame_cb_called = 0; while (df.seqidx < framelen) { assert_int(0, ==, nghttp2_session_recv(session)); } assert_int(1, ==, user_data.frame_recv_cb_called); assert_int(1, ==, user_data.begin_frame_cb_called); nghttp2_bufs_reset(&bufs); /* Receive PRIORITY */ nghttp2_frame_priority_init(&frame.priority, 5, &pri_spec_default); nghttp2_frame_pack_priority(&bufs, &frame.priority); nghttp2_frame_priority_free(&frame.priority); scripted_data_feed_init2(&df, &bufs); user_data.frame_recv_cb_called = 0; user_data.begin_frame_cb_called = 0; assert_int(0, ==, nghttp2_session_recv(session)); assert_int(1, ==, user_data.frame_recv_cb_called); assert_int(1, ==, user_data.begin_frame_cb_called); nghttp2_bufs_reset(&bufs); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); /* Some tests for frame too large */ nghttp2_session_server_new(&session, &callbacks, &user_data); /* Receive PING with too large payload */ nghttp2_frame_ping_init(&frame.ping, NGHTTP2_FLAG_NONE, NULL); nghttp2_frame_pack_ping(&bufs, &frame.ping); /* Add extra 16 bytes */ nghttp2_bufs_seek_last_present(&bufs); assert(nghttp2_buf_len(&bufs.cur->buf) >= 16); bufs.cur->buf.last += 16; nghttp2_put_uint32be( bufs.cur->buf.pos, (uint32_t)(((frame.hd.length + 16) << 8) + bufs.cur->buf.pos[3])); nghttp2_frame_ping_free(&frame.ping); scripted_data_feed_init2(&df, &bufs); user_data.frame_recv_cb_called = 0; user_data.begin_frame_cb_called = 0; assert_int(0, ==, nghttp2_session_recv(session)); assert_int(0, ==, user_data.frame_recv_cb_called); assert_int(0, ==, user_data.begin_frame_cb_called); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); assert_uint32(NGHTTP2_FRAME_SIZE_ERROR, ==, item->frame.goaway.error_code); assert_int(0, ==, nghttp2_session_send(session)); nghttp2_bufs_free(&bufs); nghttp2_session_del(session); } void test_nghttp2_session_recv_invalid_stream_id(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; scripted_data_feed df; my_user_data user_data; nghttp2_bufs bufs; nghttp2_frame frame; nghttp2_hd_deflater deflater; int rv; nghttp2_mem *mem; nghttp2_nv *nva; size_t nvlen; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.recv_callback2 = scripted_recv_callback; callbacks.on_invalid_frame_recv_callback = on_invalid_frame_recv_callback; user_data.df = &df; user_data.invalid_frame_recv_cb_called = 0; nghttp2_session_server_new(&session, &callbacks, &user_data); nghttp2_hd_deflate_init(&deflater, mem); nvlen = ARRLEN(reqnv); nghttp2_nv_array_copy(&nva, reqnv, nvlen, mem); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS, 2, NGHTTP2_HCAT_HEADERS, NULL, nva, nvlen); rv = nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater); assert_int(0, ==, rv); assert_size(0, <, nghttp2_bufs_len(&bufs)); scripted_data_feed_init2(&df, &bufs); nghttp2_frame_headers_free(&frame.headers, mem); assert_int(0, ==, nghttp2_session_recv(session)); assert_int(1, ==, user_data.invalid_frame_recv_cb_called); nghttp2_bufs_free(&bufs); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); } void test_nghttp2_session_recv_invalid_frame(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; scripted_data_feed df; my_user_data user_data; nghttp2_bufs bufs; nghttp2_frame frame; nghttp2_nv *nva; size_t nvlen; nghttp2_hd_deflater deflater; int rv; nghttp2_mem *mem; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.recv_callback2 = scripted_recv_callback; callbacks.send_callback2 = null_send_callback; callbacks.on_frame_send_callback = on_frame_send_callback; user_data.df = &df; user_data.frame_send_cb_called = 0; nghttp2_session_server_new(&session, &callbacks, &user_data); nghttp2_hd_deflate_init(&deflater, mem); nvlen = ARRLEN(reqnv); nghttp2_nv_array_copy(&nva, reqnv, nvlen, mem); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS, 1, NGHTTP2_HCAT_HEADERS, NULL, nva, nvlen); rv = nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater); assert_int(0, ==, rv); assert_size(0, <, nghttp2_bufs_len(&bufs)); scripted_data_feed_init2(&df, &bufs); assert_int(0, ==, nghttp2_session_recv(session)); assert_int(0, ==, nghttp2_session_send(session)); assert_int(0, ==, user_data.frame_send_cb_called); /* Receive exactly same bytes of HEADERS is treated as error, because it has * pseudo headers and without END_STREAM flag set */ scripted_data_feed_init2(&df, &bufs); assert_int(0, ==, nghttp2_session_recv(session)); assert_int(0, ==, nghttp2_session_send(session)); assert_int(1, ==, user_data.frame_send_cb_called); assert_uint8(NGHTTP2_RST_STREAM, ==, user_data.sent_frame_type); nghttp2_bufs_free(&bufs); nghttp2_frame_headers_free(&frame.headers, mem); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); } void test_nghttp2_session_recv_eof(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.recv_callback2 = eof_recv_callback; nghttp2_session_client_new(&session, &callbacks, NULL); assert_int(NGHTTP2_ERR_EOF, ==, nghttp2_session_recv(session)); nghttp2_session_del(session); } void test_nghttp2_session_recv_data(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; uint8_t data[8092]; nghttp2_ssize rv; nghttp2_outbound_item *item; nghttp2_stream *stream; nghttp2_frame_hd hd; int i; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_data_chunk_recv_callback = on_data_chunk_recv_callback; callbacks.on_frame_recv_callback = on_frame_recv_callback; callbacks.on_frame_send_callback = on_frame_send_callback; nghttp2_session_client_new(&session, &callbacks, &ud); /* Create DATA frame with length 4KiB */ memset(data, 0, sizeof(data)); hd.length = 4096; hd.type = NGHTTP2_DATA; hd.flags = NGHTTP2_FLAG_NONE; hd.stream_id = 1; nghttp2_frame_pack_frame_hd(data, &hd); /* stream 1 is not opened, so it must be responded with connection error. This is not mandated by the spec */ ud.data_chunk_recv_cb_called = 0; ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, data, NGHTTP2_FRAME_HDLEN + 4096); assert_ptrdiff(NGHTTP2_FRAME_HDLEN + 4096, ==, rv); assert_int(0, ==, ud.data_chunk_recv_cb_called); assert_int(0, ==, ud.frame_recv_cb_called); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); nghttp2_session_del(session); nghttp2_session_client_new(&session, &callbacks, &ud); /* Create stream 1 with CLOSING state. DATA is ignored. */ stream = open_sent_stream2(session, 1, NGHTTP2_STREAM_CLOSING); /* Set initial window size 16383 to check stream flow control, isolating it from the connection flow control */ stream->local_window_size = 16383; ud.data_chunk_recv_cb_called = 0; ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, data, NGHTTP2_FRAME_HDLEN + 4096); assert_ptrdiff(NGHTTP2_FRAME_HDLEN + 4096, ==, rv); assert_int(0, ==, ud.data_chunk_recv_cb_called); assert_int(0, ==, ud.frame_recv_cb_called); item = nghttp2_session_get_next_ob_item(session); assert_null(item); /* This is normal case. DATA is acceptable. */ stream->state = NGHTTP2_STREAM_OPENED; ud.data_chunk_recv_cb_called = 0; ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, data, NGHTTP2_FRAME_HDLEN + 4096); assert_ptrdiff(NGHTTP2_FRAME_HDLEN + 4096, ==, rv); assert_int(1, ==, ud.data_chunk_recv_cb_called); assert_int(1, ==, ud.frame_recv_cb_called); assert_null(nghttp2_session_get_next_ob_item(session)); ud.data_chunk_recv_cb_called = 0; ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, data, NGHTTP2_FRAME_HDLEN + 4096); assert_ptrdiff(NGHTTP2_FRAME_HDLEN + 4096, ==, rv); /* Now we got data more than initial-window-size / 2, WINDOW_UPDATE must be queued */ assert_int(1, ==, ud.data_chunk_recv_cb_called); assert_int(1, ==, ud.frame_recv_cb_called); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_WINDOW_UPDATE, ==, item->frame.hd.type); assert_int32(1, ==, item->frame.window_update.hd.stream_id); assert_int(0, ==, nghttp2_session_send(session)); /* Set initial window size to 1MiB, so that we can check connection flow control individually */ stream->local_window_size = 1 << 20; /* Connection flow control takes into account DATA which is received in the error condition. We have received 4096 * 4 bytes of DATA. Additional 4 DATA frames, connection flow control will kick in. */ for (i = 0; i < 5; ++i) { rv = nghttp2_session_mem_recv2(session, data, NGHTTP2_FRAME_HDLEN + 4096); assert_ptrdiff(NGHTTP2_FRAME_HDLEN + 4096, ==, rv); } item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_WINDOW_UPDATE, ==, item->frame.hd.type); assert_int32(0, ==, item->frame.window_update.hd.stream_id); assert_int(0, ==, nghttp2_session_send(session)); /* Reception of DATA with stream ID = 0 causes connection error */ hd.length = 4096; hd.type = NGHTTP2_DATA; hd.flags = NGHTTP2_FLAG_NONE; hd.stream_id = 0; nghttp2_frame_pack_frame_hd(data, &hd); ud.data_chunk_recv_cb_called = 0; ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, data, NGHTTP2_FRAME_HDLEN + 4096); assert_ptrdiff(NGHTTP2_FRAME_HDLEN + 4096, ==, rv); assert_int(0, ==, ud.data_chunk_recv_cb_called); assert_int(0, ==, ud.frame_recv_cb_called); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); assert_uint32(NGHTTP2_PROTOCOL_ERROR, ==, item->frame.goaway.error_code); nghttp2_session_del(session); /* Check window_update_queued flag in both session and stream */ nghttp2_session_server_new(&session, &callbacks, &ud); hd.length = 4096; hd.type = NGHTTP2_DATA; hd.flags = NGHTTP2_FLAG_NONE; hd.stream_id = 1; nghttp2_frame_pack_frame_hd(data, &hd); stream = open_recv_stream(session, 1); /* Send 32767 bytes of DATA. In our current flow control algorithm, it triggers first WINDOW_UPDATE of window_size_increment 32767. */ for (i = 0; i < 7; ++i) { rv = nghttp2_session_mem_recv2(session, data, NGHTTP2_FRAME_HDLEN + 4096); assert_ptrdiff(NGHTTP2_FRAME_HDLEN + 4096, ==, rv); } hd.length = 4095; nghttp2_frame_pack_frame_hd(data, &hd); rv = nghttp2_session_mem_recv2(session, data, NGHTTP2_FRAME_HDLEN + 4095); assert_ptrdiff(NGHTTP2_FRAME_HDLEN + 4095, ==, rv); /* Now 2 WINDOW_UPDATEs for session and stream should be queued. */ assert_int32(0, ==, stream->recv_window_size); assert_int32(0, ==, session->recv_window_size); assert_true(stream->window_update_queued); assert_true(session->window_update_queued); /* Then send 32768 bytes of DATA. Since we have not sent queued WINDOW_UDPATE frame, recv_window_size should not be decreased */ hd.length = 4096; nghttp2_frame_pack_frame_hd(data, &hd); for (i = 0; i < 8; ++i) { rv = nghttp2_session_mem_recv2(session, data, NGHTTP2_FRAME_HDLEN + 4096); assert_ptrdiff(NGHTTP2_FRAME_HDLEN + 4096, ==, rv); } /* WINDOW_UPDATE is blocked for session and stream, so recv_window_size must not be decreased. */ assert_int32(32768, ==, stream->recv_window_size); assert_int32(32768, ==, session->recv_window_size); assert_true(stream->window_update_queued); assert_true(session->window_update_queued); ud.frame_send_cb_called = 0; /* This sends queued WINDOW_UPDATES. And then check recv_window_size, and queue WINDOW_UPDATEs for both session and stream, and send them at once. */ assert_int(0, ==, nghttp2_session_send(session)); assert_int(4, ==, ud.frame_send_cb_called); assert_int32(0, ==, stream->recv_window_size); assert_int32(0, ==, session->recv_window_size); assert_false(stream->window_update_queued); assert_false(session->window_update_queued); nghttp2_session_del(session); } void test_nghttp2_session_recv_data_no_auto_flow_control(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; nghttp2_option *option; nghttp2_frame_hd hd; size_t padlen; uint8_t data[8192]; nghttp2_ssize rv; size_t sendlen; nghttp2_stream *stream; size_t i; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_frame_send_callback = on_frame_send_callback; nghttp2_option_new(&option); nghttp2_option_set_no_auto_window_update(option, 1); nghttp2_session_server_new2(&session, &callbacks, &ud, option); /* Create DATA frame with length 4KiB + 11 bytes padding*/ padlen = 11; memset(data, 0, sizeof(data)); hd.length = 4096 + 1 + padlen; hd.type = NGHTTP2_DATA; hd.flags = NGHTTP2_FLAG_PADDED; hd.stream_id = 1; nghttp2_frame_pack_frame_hd(data, &hd); data[NGHTTP2_FRAME_HDLEN] = (uint8_t)padlen; /* First create stream 1, then close it. Check that data is consumed for connection in this situation */ open_recv_stream(session, 1); /* Receive first 100 bytes */ sendlen = 100; rv = nghttp2_session_mem_recv2(session, data, sendlen); assert_ptrdiff((nghttp2_ssize)sendlen, ==, rv); /* We consumed pad length field (1 byte) */ assert_int32(1, ==, session->consumed_size); /* close stream here */ nghttp2_submit_rst_stream(session, NGHTTP2_FLAG_NONE, 1, NGHTTP2_NO_ERROR); nghttp2_session_send(session); /* stream 1 has been closed, and we disabled auto flow-control, so data must be immediately consumed for connection. */ rv = nghttp2_session_mem_recv2(session, data + sendlen, NGHTTP2_FRAME_HDLEN + hd.length - sendlen); assert_ptrdiff((nghttp2_ssize)(NGHTTP2_FRAME_HDLEN + hd.length - sendlen), ==, rv); /* We already consumed pad length field (1 byte), so do +1 here */ assert_int32((int32_t)(NGHTTP2_FRAME_HDLEN + hd.length - sendlen + 1), ==, session->consumed_size); nghttp2_session_del(session); /* Reuse DATA created previously. */ nghttp2_session_server_new2(&session, &callbacks, &ud, option); /* Now we are expecting final response header, which means receiving DATA for that stream is illegal. */ stream = open_recv_stream(session, 1); stream->http_flags |= NGHTTP2_HTTP_FLAG_EXPECT_FINAL_RESPONSE; rv = nghttp2_session_mem_recv2(session, data, NGHTTP2_FRAME_HDLEN + hd.length); assert_ptrdiff((nghttp2_ssize)(NGHTTP2_FRAME_HDLEN + hd.length), ==, rv); /* Whole payload must be consumed now because HTTP messaging rule was not honored. */ assert_int32((int32_t)hd.length, ==, session->consumed_size); nghttp2_session_del(session); /* Check window_update_queued flag in both session and stream */ nghttp2_session_server_new2(&session, &callbacks, &ud, option); stream = open_recv_stream(session, 1); hd.length = 4096; hd.type = NGHTTP2_DATA; hd.flags = NGHTTP2_FLAG_NONE; hd.stream_id = 1; nghttp2_frame_pack_frame_hd(data, &hd); /* Receive up to 65535 bytes of DATA */ for (i = 0; i < 15; ++i) { rv = nghttp2_session_mem_recv2(session, data, NGHTTP2_FRAME_HDLEN + 4096); assert_ptrdiff(NGHTTP2_FRAME_HDLEN + 4096, ==, rv); } hd.length = 4095; nghttp2_frame_pack_frame_hd(data, &hd); rv = nghttp2_session_mem_recv2(session, data, NGHTTP2_FRAME_HDLEN + 4095); assert_ptrdiff(NGHTTP2_FRAME_HDLEN + 4095, ==, rv); assert_int32(65535, ==, session->recv_window_size); assert_int32(65535, ==, stream->recv_window_size); /* The first call of nghttp2_session_consume_connection() will queue WINDOW_UPDATE. Next call does not. */ nghttp2_session_consume_connection(session, 32767); nghttp2_session_consume_connection(session, 32768); assert_int32(32768, ==, session->recv_window_size); assert_int32(65535, ==, stream->recv_window_size); assert_true(session->window_update_queued); assert_false(stream->window_update_queued); ud.frame_send_cb_called = 0; /* This will send WINDOW_UPDATE, and check whether we should send WINDOW_UPDATE, and queue and send it at once. */ assert_int(0, ==, nghttp2_session_send(session)); assert_int32(0, ==, session->recv_window_size); assert_int32(65535, ==, stream->recv_window_size); assert_false(session->window_update_queued); assert_false(stream->window_update_queued); assert_int(2, ==, ud.frame_send_cb_called); /* Do the same for stream */ nghttp2_session_consume_stream(session, 1, 32767); nghttp2_session_consume_stream(session, 1, 32768); assert_int32(0, ==, session->recv_window_size); assert_int32(32768, ==, stream->recv_window_size); assert_false(session->window_update_queued); assert_true(stream->window_update_queued); ud.frame_send_cb_called = 0; assert_int(0, ==, nghttp2_session_send(session)); assert_int32(0, ==, session->recv_window_size); assert_int32(0, ==, stream->recv_window_size); assert_false(session->window_update_queued); assert_false(stream->window_update_queued); assert_int(2, ==, ud.frame_send_cb_called); nghttp2_session_del(session); nghttp2_option_del(option); } void test_nghttp2_session_recv_continuation(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_nv *nva; size_t nvlen; nghttp2_frame frame; nghttp2_bufs bufs; nghttp2_buf *buf; nghttp2_ssize rv; my_user_data ud; nghttp2_hd_deflater deflater; uint8_t data[1024]; size_t datalen; nghttp2_frame_hd cont_hd; nghttp2_priority_spec pri_spec; nghttp2_mem *mem; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_header_callback = on_header_callback; callbacks.on_begin_headers_callback = on_begin_headers_callback; callbacks.on_begin_frame_callback = on_begin_frame_callback; nghttp2_session_server_new(&session, &callbacks, &ud); nghttp2_hd_deflate_init(&deflater, mem); /* Make 1 HEADERS and insert CONTINUATION header */ nvlen = ARRLEN(reqnv); nghttp2_nv_array_copy(&nva, reqnv, nvlen, mem); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_NONE, 1, NGHTTP2_HCAT_HEADERS, NULL, nva, nvlen); rv = nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater); assert_ptrdiff(0, ==, rv); assert_size(0, <, nghttp2_bufs_len(&bufs)); /* make sure that all data is in the first buf */ buf = &bufs.head->buf; assert(nghttp2_bufs_len(&bufs) == nghttp2_buf_len(buf)); nghttp2_frame_headers_free(&frame.headers, mem); /* HEADERS's payload is 1 byte */ memcpy(data, buf->pos, NGHTTP2_FRAME_HDLEN + 1); datalen = NGHTTP2_FRAME_HDLEN + 1; buf->pos += NGHTTP2_FRAME_HDLEN + 1; nghttp2_put_uint32be(data, (uint32_t)((1 << 8) + data[3])); /* First CONTINUATION, 2 bytes */ nghttp2_frame_hd_init(&cont_hd, 2, NGHTTP2_CONTINUATION, NGHTTP2_FLAG_NONE, 1); nghttp2_frame_pack_frame_hd(data + datalen, &cont_hd); datalen += NGHTTP2_FRAME_HDLEN; memcpy(data + datalen, buf->pos, cont_hd.length); datalen += cont_hd.length; buf->pos += cont_hd.length; /* Second CONTINUATION, rest of the bytes */ nghttp2_frame_hd_init(&cont_hd, nghttp2_buf_len(buf), NGHTTP2_CONTINUATION, NGHTTP2_FLAG_END_HEADERS, 1); nghttp2_frame_pack_frame_hd(data + datalen, &cont_hd); datalen += NGHTTP2_FRAME_HDLEN; memcpy(data + datalen, buf->pos, cont_hd.length); datalen += cont_hd.length; buf->pos += cont_hd.length; assert_size(0, ==, nghttp2_buf_len(buf)); ud.header_cb_called = 0; ud.begin_frame_cb_called = 0; rv = nghttp2_session_mem_recv2(session, data, datalen); assert_ptrdiff((nghttp2_ssize)datalen, ==, rv); assert_int(4, ==, ud.header_cb_called); assert_int(3, ==, ud.begin_frame_cb_called); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); /* HEADERS with padding followed by CONTINUATION */ nghttp2_session_server_new(&session, &callbacks, &ud); nghttp2_hd_deflate_init(&deflater, mem); nvlen = ARRLEN(reqnv); nghttp2_nv_array_copy(&nva, reqnv, nvlen, mem); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_NONE, 1, NGHTTP2_HCAT_HEADERS, NULL, nva, nvlen); nghttp2_bufs_reset(&bufs); rv = nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater); assert_ptrdiff(0, ==, rv); nghttp2_frame_headers_free(&frame.headers, mem); /* make sure that all data is in the first buf */ buf = &bufs.head->buf; assert(nghttp2_bufs_len(&bufs) == nghttp2_buf_len(buf)); /* HEADERS payload is 3 byte (1 for padding field, 1 for padding) */ memcpy(data, buf->pos, NGHTTP2_FRAME_HDLEN); nghttp2_put_uint32be(data, (uint32_t)((3 << 8) + data[3])); data[4] |= NGHTTP2_FLAG_PADDED; /* padding field */ data[NGHTTP2_FRAME_HDLEN] = 1; data[NGHTTP2_FRAME_HDLEN + 1] = buf->pos[NGHTTP2_FRAME_HDLEN]; /* padding */ data[NGHTTP2_FRAME_HDLEN + 2] = 0; datalen = NGHTTP2_FRAME_HDLEN + 3; buf->pos += NGHTTP2_FRAME_HDLEN + 1; /* CONTINUATION, rest of the bytes */ nghttp2_frame_hd_init(&cont_hd, nghttp2_buf_len(buf), NGHTTP2_CONTINUATION, NGHTTP2_FLAG_END_HEADERS, 1); nghttp2_frame_pack_frame_hd(data + datalen, &cont_hd); datalen += NGHTTP2_FRAME_HDLEN; memcpy(data + datalen, buf->pos, cont_hd.length); datalen += cont_hd.length; buf->pos += cont_hd.length; assert_size(0, ==, nghttp2_buf_len(buf)); ud.header_cb_called = 0; ud.begin_frame_cb_called = 0; rv = nghttp2_session_mem_recv2(session, data, datalen); assert_ptrdiff((nghttp2_ssize)datalen, ==, rv); assert_int(4, ==, ud.header_cb_called); assert_int(2, ==, ud.begin_frame_cb_called); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); /* Expecting CONTINUATION, but get the other frame */ nghttp2_session_server_new(&session, &callbacks, &ud); nghttp2_hd_deflate_init(&deflater, mem); /* HEADERS without END_HEADERS flag */ nvlen = ARRLEN(reqnv); nghttp2_nv_array_copy(&nva, reqnv, nvlen, mem); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_NONE, 1, NGHTTP2_HCAT_HEADERS, NULL, nva, nvlen); nghttp2_bufs_reset(&bufs); rv = nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater); assert_ptrdiff(0, ==, rv); assert_size(0, <, nghttp2_bufs_len(&bufs)); nghttp2_frame_headers_free(&frame.headers, mem); /* make sure that all data is in the first buf */ buf = &bufs.head->buf; assert(nghttp2_bufs_len(&bufs) == nghttp2_buf_len(buf)); memcpy(data, buf->pos, nghttp2_buf_len(buf)); datalen = nghttp2_buf_len(buf); /* Followed by PRIORITY */ nghttp2_priority_spec_default_init(&pri_spec); nghttp2_frame_priority_init(&frame.priority, 1, &pri_spec); nghttp2_bufs_reset(&bufs); nghttp2_frame_pack_priority(&bufs, &frame.priority); assert_size(0, <, nghttp2_bufs_len(&bufs)); memcpy(data + datalen, buf->pos, nghttp2_buf_len(buf)); datalen += nghttp2_buf_len(buf); ud.begin_headers_cb_called = 0; rv = nghttp2_session_mem_recv2(session, data, datalen); assert_ptrdiff((nghttp2_ssize)datalen, ==, rv); assert_int(1, ==, ud.begin_headers_cb_called); assert_uint8(NGHTTP2_GOAWAY, ==, nghttp2_session_get_next_ob_item(session)->frame.hd.type); nghttp2_bufs_free(&bufs); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); } void test_nghttp2_session_recv_headers_with_priority(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_nv *nva; size_t nvlen; nghttp2_frame frame; nghttp2_bufs bufs; nghttp2_buf *buf; nghttp2_ssize rv; my_user_data ud; nghttp2_hd_deflater deflater; nghttp2_outbound_item *item; nghttp2_priority_spec pri_spec; nghttp2_stream *stream; nghttp2_mem *mem; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_frame_recv_callback = on_frame_recv_callback; nghttp2_session_server_new(&session, &callbacks, &ud); nghttp2_hd_deflate_init(&deflater, mem); open_recv_stream(session, 1); /* With NGHTTP2_FLAG_PRIORITY without exclusive flag set */ nvlen = ARRLEN(reqnv); nghttp2_nv_array_copy(&nva, reqnv, nvlen, mem); nghttp2_priority_spec_init(&pri_spec, 1, 99, 0); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_PRIORITY, 3, NGHTTP2_HCAT_HEADERS, &pri_spec, nva, nvlen); rv = nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater); assert_ptrdiff(0, ==, rv); assert_size(0, <, nghttp2_bufs_len(&bufs)); nghttp2_frame_headers_free(&frame.headers, mem); buf = &bufs.head->buf; assert(nghttp2_bufs_len(&bufs) == nghttp2_buf_len(buf)); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); assert_int(1, ==, ud.frame_recv_cb_called); stream = nghttp2_session_get_stream(session, 3); assert_int32(99, ==, stream->weight); assert_int32(1, ==, stream->dep_prev->stream_id); nghttp2_bufs_reset(&bufs); /* With NGHTTP2_FLAG_PRIORITY, but cut last 1 byte to make it invalid. */ nvlen = ARRLEN(reqnv); nghttp2_nv_array_copy(&nva, reqnv, nvlen, mem); nghttp2_priority_spec_init(&pri_spec, 0, 99, 0); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_PRIORITY, 5, NGHTTP2_HCAT_HEADERS, &pri_spec, nva, nvlen); rv = nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater); assert_ptrdiff(0, ==, rv); assert_size(NGHTTP2_FRAME_HDLEN + 5, <, nghttp2_bufs_len(&bufs)); nghttp2_frame_headers_free(&frame.headers, mem); buf = &bufs.head->buf; /* Make payload shorter than required length to store priority group */ nghttp2_put_uint32be(buf->pos, (uint32_t)((4 << 8) + buf->pos[3])); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); assert_int(0, ==, ud.frame_recv_cb_called); stream = nghttp2_session_get_stream(session, 5); assert_null(stream); item = nghttp2_session_get_next_ob_item(session); assert_not_null(item); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); assert_uint32(NGHTTP2_FRAME_SIZE_ERROR, ==, item->frame.goaway.error_code); nghttp2_bufs_reset(&bufs); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); /* Check dep_stream_id == stream_id */ nghttp2_session_server_new(&session, &callbacks, &ud); nghttp2_hd_deflate_init(&deflater, mem); nvlen = ARRLEN(reqnv); nghttp2_nv_array_copy(&nva, reqnv, nvlen, mem); nghttp2_priority_spec_init(&pri_spec, 1, 0, 0); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_PRIORITY, 1, NGHTTP2_HCAT_HEADERS, &pri_spec, nva, nvlen); rv = nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater); assert_ptrdiff(0, ==, rv); assert_size(0, <, nghttp2_bufs_len(&bufs)); nghttp2_frame_headers_free(&frame.headers, mem); buf = &bufs.head->buf; assert(nghttp2_bufs_len(&bufs) == nghttp2_buf_len(buf)); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); assert_int(0, ==, ud.frame_recv_cb_called); stream = nghttp2_session_get_stream(session, 1); assert_null(stream); item = nghttp2_session_get_next_ob_item(session); assert_not_null(item); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); assert_uint32(NGHTTP2_PROTOCOL_ERROR, ==, item->frame.goaway.error_code); nghttp2_bufs_reset(&bufs); nghttp2_bufs_free(&bufs); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); } void test_nghttp2_session_recv_headers_with_padding(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_bufs bufs; nghttp2_buf *buf; nghttp2_frame_hd hd; nghttp2_outbound_item *item; my_user_data ud; nghttp2_ssize rv; frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_frame_recv_callback = on_frame_recv_callback; callbacks.send_callback2 = null_send_callback; /* HEADERS: Wrong padding length */ nghttp2_session_server_new(&session, &callbacks, &ud); nghttp2_session_send(session); nghttp2_frame_hd_init(&hd, 10, NGHTTP2_HEADERS, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_PRIORITY | NGHTTP2_FLAG_PADDED, 1); buf = &bufs.head->buf; nghttp2_frame_pack_frame_hd(buf->last, &hd); buf->last += NGHTTP2_FRAME_HDLEN; /* padding is 6 bytes */ *buf->last++ = 5; /* priority field */ nghttp2_put_uint32be(buf->last, 3); buf->last += sizeof(uint32_t); *buf->last++ = 1; /* rest is garbage */ memset(buf->last, 0, 4); buf->last += 4; ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); assert_int(0, ==, ud.frame_recv_cb_called); item = nghttp2_session_get_next_ob_item(session); assert_not_null(item); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); nghttp2_bufs_reset(&bufs); nghttp2_session_del(session); /* PUSH_PROMISE: Wrong padding length */ nghttp2_session_client_new(&session, &callbacks, &ud); nghttp2_session_send(session); open_sent_stream(session, 1); nghttp2_frame_hd_init(&hd, 9, NGHTTP2_PUSH_PROMISE, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_PADDED, 1); buf = &bufs.head->buf; nghttp2_frame_pack_frame_hd(buf->last, &hd); buf->last += NGHTTP2_FRAME_HDLEN; /* padding is 6 bytes */ *buf->last++ = 5; /* promised stream ID field */ nghttp2_put_uint32be(buf->last, 2); buf->last += sizeof(uint32_t); /* rest is garbage */ memset(buf->last, 0, 4); buf->last += 4; ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); assert_int(0, ==, ud.frame_recv_cb_called); item = nghttp2_session_get_next_ob_item(session); assert_not_null(item); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); nghttp2_bufs_free(&bufs); nghttp2_session_del(session); } static int response_on_begin_frame_callback(nghttp2_session *session, const nghttp2_frame_hd *hd, void *user_data) { int rv; (void)user_data; if (hd->type != NGHTTP2_HEADERS) { return 0; } rv = nghttp2_submit_response2(session, hd->stream_id, resnv, ARRLEN(resnv), NULL); assert_int(0, ==, rv); return 0; } void test_nghttp2_session_recv_headers_early_response(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_bufs bufs; nghttp2_buf *buf; nghttp2_hd_deflater deflater; nghttp2_mem *mem; nghttp2_nv *nva; size_t nvlen; nghttp2_frame frame; nghttp2_ssize rv; nghttp2_stream *stream; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_begin_frame_callback = response_on_begin_frame_callback; nghttp2_session_server_new(&session, &callbacks, NULL); nghttp2_hd_deflate_init(&deflater, mem); nvlen = ARRLEN(reqnv); nghttp2_nv_array_copy(&nva, reqnv, nvlen, mem); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_END_STREAM, 1, NGHTTP2_HCAT_REQUEST, NULL, nva, nvlen); rv = nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater); assert_ptrdiff(0, ==, rv); nghttp2_frame_headers_free(&frame.headers, mem); buf = &bufs.head->buf; /* Only receive 9 bytes headers, and invoke on_begin_frame_callback */ rv = nghttp2_session_mem_recv2(session, buf->pos, 9); assert_ptrdiff(9, ==, rv); rv = nghttp2_session_send(session); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, buf->pos + 9, nghttp2_buf_len(buf) - 9); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf) - 9, ==, rv); stream = nghttp2_session_get_stream_raw(session, 1); assert_true(stream->flags & NGHTTP2_STREAM_FLAG_CLOSED); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_bufs_free(&bufs); } void test_nghttp2_session_recv_headers_for_closed_stream(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_nv *nva; size_t nvlen; nghttp2_frame frame; nghttp2_bufs bufs; nghttp2_buf *buf; nghttp2_ssize rv; my_user_data ud; nghttp2_hd_deflater deflater; nghttp2_stream *stream; nghttp2_mem *mem; const uint8_t *data; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_frame_recv_callback = on_frame_recv_callback; callbacks.on_header_callback = on_header_callback; nghttp2_session_server_new(&session, &callbacks, &ud); nghttp2_hd_deflate_init(&deflater, mem); /* Make sure that on_header callback never be invoked for closed stream */ nvlen = ARRLEN(reqnv); nghttp2_nv_array_copy(&nva, reqnv, nvlen, mem); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS, 1, NGHTTP2_HCAT_HEADERS, NULL, nva, nvlen); rv = nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater); assert_ptrdiff(0, ==, rv); assert_size(0, <, nghttp2_bufs_len(&bufs)); nghttp2_frame_headers_free(&frame.headers, mem); buf = &bufs.head->buf; assert(nghttp2_bufs_len(&bufs) == nghttp2_buf_len(buf)); ud.header_cb_called = 0; ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf->pos, NGHTTP2_FRAME_HDLEN); assert_ptrdiff(NGHTTP2_FRAME_HDLEN, ==, rv); assert_int(0, ==, ud.header_cb_called); assert_int(0, ==, ud.frame_recv_cb_called); stream = nghttp2_session_get_stream(session, 1); assert_not_null(stream); rv = nghttp2_submit_rst_stream(session, NGHTTP2_FLAG_NONE, 1, NGHTTP2_NO_ERROR); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_send2(session, &data); assert_ptrdiff(0, <, rv); stream = nghttp2_session_get_stream(session, 1); assert_null(stream); ud.header_cb_called = 0; ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf->pos + NGHTTP2_FRAME_HDLEN, nghttp2_buf_len(buf) - NGHTTP2_FRAME_HDLEN); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf) - NGHTTP2_FRAME_HDLEN, ==, rv); assert_int(0, ==, ud.header_cb_called); assert_int(0, ==, ud.frame_recv_cb_called); nghttp2_bufs_free(&bufs); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); } void test_nghttp2_session_recv_headers_with_extpri(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_nv *nva; size_t nvlen; nghttp2_frame frame; nghttp2_bufs bufs; nghttp2_buf *buf; nghttp2_ssize rv; nghttp2_hd_deflater deflater; nghttp2_stream *stream; nghttp2_mem *mem; const nghttp2_nv extpri_reqnv[] = { MAKE_NV(":method", "GET"), MAKE_NV(":path", "/"), MAKE_NV(":scheme", "https"), MAKE_NV(":authority", "localhost"), MAKE_NV("priority", "i,u=2"), }; nghttp2_settings_entry iv; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); nghttp2_session_server_new(&session, &callbacks, NULL); iv.settings_id = NGHTTP2_SETTINGS_NO_RFC7540_PRIORITIES; iv.value = 1; nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, &iv, 1); nghttp2_hd_deflate_init(&deflater, mem); nvlen = ARRLEN(extpri_reqnv); nghttp2_nv_array_copy(&nva, extpri_reqnv, nvlen, mem); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS, 1, NGHTTP2_HCAT_HEADERS, NULL, nva, nvlen); rv = nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater); assert_ptrdiff(0, ==, rv); assert_size(0, <, nghttp2_bufs_len(&bufs)); nghttp2_frame_headers_free(&frame.headers, mem); buf = &bufs.head->buf; assert(nghttp2_bufs_len(&bufs) == nghttp2_buf_len(buf)); rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); stream = nghttp2_session_get_stream(session, 1); assert_uint32(2, ==, nghttp2_extpri_uint8_urgency(stream->extpri)); assert_true(nghttp2_extpri_uint8_inc(stream->extpri)); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_bufs_reset(&bufs); /* Client should ignore priority header field included in PUSH_PROMISE. */ nghttp2_session_client_new(&session, &callbacks, NULL); nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, &iv, 1); open_sent_stream(session, 1); nghttp2_hd_deflate_init(&deflater, mem); nvlen = ARRLEN(extpri_reqnv); nghttp2_nv_array_copy(&nva, extpri_reqnv, nvlen, mem); nghttp2_frame_push_promise_init(&frame.push_promise, NGHTTP2_FLAG_END_HEADERS, 1, 2, nva, nvlen); rv = nghttp2_frame_pack_push_promise(&bufs, &frame.push_promise, &deflater); assert_ptrdiff(0, ==, rv); assert_size(0, <, nghttp2_bufs_len(&bufs)); nghttp2_frame_push_promise_free(&frame.push_promise, mem); buf = &bufs.head->buf; assert(nghttp2_bufs_len(&bufs) == nghttp2_buf_len(buf)); rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); stream = nghttp2_session_get_stream(session, 2); assert_uint32(NGHTTP2_EXTPRI_DEFAULT_URGENCY, ==, nghttp2_extpri_uint8_urgency(stream->http_extpri)); assert_uint32(NGHTTP2_EXTPRI_DEFAULT_URGENCY, ==, nghttp2_extpri_uint8_urgency(stream->extpri)); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_bufs_free(&bufs); } void test_nghttp2_session_server_recv_push_response(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_bufs bufs; nghttp2_buf *buf; nghttp2_ssize rv; my_user_data ud; nghttp2_mem *mem; nghttp2_frame frame; nghttp2_hd_deflater deflater; nghttp2_nv *nva; size_t nvlen; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_invalid_frame_recv_callback = on_invalid_frame_recv_callback; nghttp2_session_server_new(&session, &callbacks, &ud); nghttp2_hd_deflate_init(&deflater, mem); open_sent_stream2(session, 2, NGHTTP2_STREAM_RESERVED); nvlen = ARRLEN(resnv); nghttp2_nv_array_copy(&nva, resnv, nvlen, mem); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS, 2, NGHTTP2_HCAT_HEADERS, &pri_spec_default, nva, nvlen); rv = nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater); assert_ptrdiff(0, ==, rv); assert_size(0, <, nghttp2_bufs_len(&bufs)); nghttp2_frame_headers_free(&frame.headers, mem); buf = &bufs.head->buf; ud.invalid_frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); assert_int(1, ==, ud.invalid_frame_recv_cb_called); nghttp2_bufs_free(&bufs); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); } void test_nghttp2_session_recv_premature_headers(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_bufs bufs; nghttp2_buf *buf; nghttp2_ssize rv; my_user_data ud; nghttp2_hd_deflater deflater; nghttp2_outbound_item *item; nghttp2_mem *mem; uint32_t payloadlen; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_server_new(&session, &callbacks, &ud); nghttp2_hd_deflate_init(&deflater, mem); pack_headers(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS, reqnv, ARRLEN(reqnv), mem); buf = &bufs.head->buf; /* Intentionally feed payload cutting last 1 byte off */ payloadlen = nghttp2_get_uint32(buf->pos) >> 8; nghttp2_put_uint32be(buf->pos, ((payloadlen - 1) << 8) + buf->pos[3]); rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf) - 1); assert_ptrdiff((nghttp2_ssize)(nghttp2_buf_len(buf) - 1), ==, rv); item = nghttp2_session_get_next_ob_item(session); assert_not_null(item); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_uint32(NGHTTP2_COMPRESSION_ERROR, ==, item->frame.rst_stream.error_code); assert_int32(1, ==, item->frame.hd.stream_id); assert_int(0, ==, nghttp2_session_send(session)); nghttp2_bufs_reset(&bufs); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); /* Test for PUSH_PROMISE */ nghttp2_session_client_new(&session, &callbacks, &ud); nghttp2_hd_deflate_init(&deflater, mem); open_sent_stream3(session, 1, NGHTTP2_STREAM_FLAG_NONE, &pri_spec_default, NGHTTP2_STREAM_OPENING, NULL); rv = pack_push_promise(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS, 2, reqnv, ARRLEN(reqnv), mem); assert_ptrdiff(0, ==, rv); buf = &bufs.head->buf; payloadlen = nghttp2_get_uint32(buf->pos) >> 8; /* Intentionally feed payload cutting last 1 byte off */ nghttp2_put_uint32be(buf->pos, ((payloadlen - 1) << 8) + buf->pos[3]); rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf) - 1); assert_ptrdiff((nghttp2_ssize)(nghttp2_buf_len(buf) - 1), ==, rv); item = nghttp2_session_get_next_ob_item(session); assert_not_null(item); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_uint32(NGHTTP2_COMPRESSION_ERROR, ==, item->frame.rst_stream.error_code); assert_int32(2, ==, item->frame.hd.stream_id); assert_int(0, ==, nghttp2_session_send(session)); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_bufs_free(&bufs); } void test_nghttp2_session_recv_unknown_frame(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; uint8_t data[16384]; size_t datalen; nghttp2_frame_hd hd; nghttp2_ssize rv; nghttp2_frame_hd_init(&hd, 16000, 99, NGHTTP2_FLAG_NONE, 0); nghttp2_frame_pack_frame_hd(data, &hd); datalen = NGHTTP2_FRAME_HDLEN + hd.length; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_frame_recv_callback = on_frame_recv_callback; nghttp2_session_server_new(&session, &callbacks, &ud); ud.frame_recv_cb_called = 0; /* Unknown frame must be ignored */ rv = nghttp2_session_mem_recv2(session, data, datalen); assert_ptrdiff(rv, ==, (nghttp2_ssize)datalen); assert_int(0, ==, ud.frame_recv_cb_called); assert_null(nghttp2_session_get_next_ob_item(session)); nghttp2_session_del(session); } void test_nghttp2_session_recv_unexpected_continuation(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; uint8_t data[16384]; size_t datalen; nghttp2_frame_hd hd; nghttp2_ssize rv; nghttp2_outbound_item *item; nghttp2_frame_hd_init(&hd, 16000, NGHTTP2_CONTINUATION, NGHTTP2_FLAG_END_HEADERS, 1); nghttp2_frame_pack_frame_hd(data, &hd); datalen = NGHTTP2_FRAME_HDLEN + hd.length; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_frame_recv_callback = on_frame_recv_callback; nghttp2_session_server_new(&session, &callbacks, &ud); open_recv_stream(session, 1); ud.frame_recv_cb_called = 0; /* unexpected CONTINUATION must be treated as connection error */ rv = nghttp2_session_mem_recv2(session, data, datalen); assert_ptrdiff(rv, ==, (nghttp2_ssize)datalen); assert_int(0, ==, ud.frame_recv_cb_called); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); nghttp2_session_del(session); } void test_nghttp2_session_recv_settings_header_table_size(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_frame frame; nghttp2_bufs bufs; nghttp2_buf *buf; nghttp2_ssize rv; my_user_data ud; nghttp2_settings_entry iv[3]; nghttp2_nv nv = MAKE_NV(":authority", "example.org"); nghttp2_mem *mem; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_frame_recv_callback = on_frame_recv_callback; callbacks.send_callback2 = null_send_callback; nghttp2_session_client_new(&session, &callbacks, &ud); iv[0].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE; iv[0].value = 3000; iv[1].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE; iv[1].value = 16384; nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_NONE, dup_iv(iv, 2), 2); rv = nghttp2_frame_pack_settings(&bufs, &frame.settings); assert_ptrdiff(0, ==, rv); assert_size(0, <, nghttp2_bufs_len(&bufs)); nghttp2_frame_settings_free(&frame.settings, mem); buf = &bufs.head->buf; assert(nghttp2_bufs_len(&bufs) == nghttp2_buf_len(buf)); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); assert_int(1, ==, ud.frame_recv_cb_called); assert_uint32(3000, ==, session->remote_settings.header_table_size); assert_uint32(16384, ==, session->remote_settings.initial_window_size); nghttp2_bufs_reset(&bufs); /* 2 SETTINGS_HEADER_TABLE_SIZE */ iv[0].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE; iv[0].value = 3001; iv[1].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE; iv[1].value = 16383; iv[2].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE; iv[2].value = 3001; nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_NONE, dup_iv(iv, 3), 3); rv = nghttp2_frame_pack_settings(&bufs, &frame.settings); assert_ptrdiff(0, ==, rv); assert_size(0, <, nghttp2_bufs_len(&bufs)); nghttp2_frame_settings_free(&frame.settings, mem); buf = &bufs.head->buf; assert(nghttp2_bufs_len(&bufs) == nghttp2_buf_len(buf)); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)(nghttp2_buf_len(buf)), ==, rv); assert_int(1, ==, ud.frame_recv_cb_called); assert_uint32(3001, ==, session->remote_settings.header_table_size); assert_uint32(16383, ==, session->remote_settings.initial_window_size); nghttp2_bufs_reset(&bufs); /* 2 SETTINGS_HEADER_TABLE_SIZE; first entry clears dynamic header table. */ nghttp2_submit_request2(session, NULL, &nv, 1, NULL, NULL); nghttp2_session_send(session); assert_size(0, <, session->hd_deflater.ctx.hd_table.len); iv[0].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE; iv[0].value = 0; iv[1].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE; iv[1].value = 16382; iv[2].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE; iv[2].value = 4096; nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_NONE, dup_iv(iv, 3), 3); rv = nghttp2_frame_pack_settings(&bufs, &frame.settings); assert_ptrdiff(0, ==, rv); assert_size(0, <, nghttp2_bufs_len(&bufs)); nghttp2_frame_settings_free(&frame.settings, mem); buf = &bufs.head->buf; assert(nghttp2_bufs_len(&bufs) == nghttp2_buf_len(buf)); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); assert_int(1, ==, ud.frame_recv_cb_called); assert_uint32(4096, ==, session->remote_settings.header_table_size); assert_uint32(16382, ==, session->remote_settings.initial_window_size); assert_size(0, ==, session->hd_deflater.ctx.hd_table.len); nghttp2_bufs_reset(&bufs); /* 2 SETTINGS_HEADER_TABLE_SIZE; second entry clears dynamic header table. */ nghttp2_submit_request2(session, NULL, &nv, 1, NULL, NULL); nghttp2_session_send(session); assert_size(0, <, session->hd_deflater.ctx.hd_table.len); iv[0].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE; iv[0].value = 3000; iv[1].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE; iv[1].value = 16381; iv[2].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE; iv[2].value = 0; nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_NONE, dup_iv(iv, 3), 3); rv = nghttp2_frame_pack_settings(&bufs, &frame.settings); assert_ptrdiff(0, ==, rv); assert_size(0, <, nghttp2_bufs_len(&bufs)); nghttp2_frame_settings_free(&frame.settings, mem); buf = &bufs.head->buf; assert(nghttp2_bufs_len(&bufs) == nghttp2_buf_len(buf)); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); assert_int(1, ==, ud.frame_recv_cb_called); assert_uint32(0, ==, session->remote_settings.header_table_size); assert_uint32(16381, ==, session->remote_settings.initial_window_size); assert_size(0, ==, session->hd_deflater.ctx.hd_table.len); nghttp2_bufs_reset(&bufs); nghttp2_bufs_free(&bufs); nghttp2_session_del(session); } void test_nghttp2_session_recv_too_large_frame_length(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; uint8_t buf[NGHTTP2_FRAME_HDLEN]; nghttp2_outbound_item *item; nghttp2_frame_hd hd; /* Initial max frame size is NGHTTP2_MAX_FRAME_SIZE_MIN */ nghttp2_frame_hd_init(&hd, NGHTTP2_MAX_FRAME_SIZE_MIN + 1, NGHTTP2_HEADERS, NGHTTP2_FLAG_NONE, 1); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); nghttp2_session_server_new(&session, &callbacks, NULL); nghttp2_frame_pack_frame_hd(buf, &hd); assert_ptrdiff(sizeof(buf), ==, nghttp2_session_mem_recv2(session, buf, sizeof(buf))); item = nghttp2_session_get_next_ob_item(session); assert_not_null(item); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); nghttp2_session_del(session); } void test_nghttp2_session_recv_extension(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; nghttp2_buf buf; nghttp2_frame_hd hd; nghttp2_mem *mem; const char data[] = "Hello World!"; nghttp2_ssize rv; nghttp2_option *option; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_extension_chunk_recv_callback = on_extension_chunk_recv_callback; callbacks.unpack_extension_callback = unpack_extension_callback; callbacks.on_frame_recv_callback = on_frame_recv_callback; nghttp2_option_new(&option); nghttp2_option_set_user_recv_extension_type(option, 111); nghttp2_buf_init2(&ud.scratchbuf, 4096, mem); nghttp2_buf_init2(&buf, 4096, mem); nghttp2_frame_hd_init(&hd, sizeof(data), 111, 0xab, 1000000007); nghttp2_frame_pack_frame_hd(buf.last, &hd); buf.last += NGHTTP2_FRAME_HDLEN; buf.last = nghttp2_cpymem(buf.last, data, sizeof(data)); nghttp2_session_client_new2(&session, &callbacks, &ud, option); nghttp2_frame_hd_init(&ud.recv_frame_hd, 0, 0, 0, 0); rv = nghttp2_session_mem_recv2(session, buf.pos, nghttp2_buf_len(&buf)); assert_size(NGHTTP2_FRAME_HDLEN + hd.length, ==, (size_t)rv); assert_uint8(111, ==, ud.recv_frame_hd.type); assert_uint8(0xab, ==, ud.recv_frame_hd.flags); assert_int32(1000000007, ==, ud.recv_frame_hd.stream_id); assert_memory_equal(sizeof(data), data, ud.scratchbuf.pos); nghttp2_session_del(session); /* cancel in on_extension_chunk_recv_callback */ nghttp2_buf_reset(&ud.scratchbuf); callbacks.on_extension_chunk_recv_callback = cancel_on_extension_chunk_recv_callback; nghttp2_session_server_new2(&session, &callbacks, &ud, option); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf.pos, nghttp2_buf_len(&buf)); assert_size(NGHTTP2_FRAME_HDLEN + hd.length, ==, (size_t)rv); assert_int(0, ==, ud.frame_recv_cb_called); nghttp2_session_del(session); /* cancel in unpack_extension_callback */ nghttp2_buf_reset(&ud.scratchbuf); callbacks.on_extension_chunk_recv_callback = on_extension_chunk_recv_callback; callbacks.unpack_extension_callback = cancel_unpack_extension_callback; nghttp2_session_server_new2(&session, &callbacks, &ud, option); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf.pos, nghttp2_buf_len(&buf)); assert_size(NGHTTP2_FRAME_HDLEN + hd.length, ==, (size_t)rv); assert_int(0, ==, ud.frame_recv_cb_called); nghttp2_session_del(session); nghttp2_buf_free(&buf, mem); nghttp2_buf_free(&ud.scratchbuf, mem); nghttp2_option_del(option); } void test_nghttp2_session_recv_altsvc(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; nghttp2_buf buf; nghttp2_frame_hd hd; nghttp2_mem *mem; nghttp2_ssize rv; nghttp2_option *option; static const uint8_t origin[] = "nghttp2.org"; static const uint8_t field_value[] = "h2=\":443\""; mem = nghttp2_mem_default(); nghttp2_buf_init2(&buf, NGHTTP2_FRAME_HDLEN + NGHTTP2_MAX_FRAME_SIZE_MIN, mem); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_frame_recv_callback = on_frame_recv_callback; callbacks.on_invalid_frame_recv_callback = on_invalid_frame_recv_callback; nghttp2_option_new(&option); nghttp2_option_set_builtin_recv_extension_type(option, NGHTTP2_ALTSVC); nghttp2_session_client_new2(&session, &callbacks, &ud, option); nghttp2_frame_hd_init(&hd, 2 + sizeof(origin) - 1 + sizeof(field_value) - 1, NGHTTP2_ALTSVC, NGHTTP2_FLAG_NONE, 0); nghttp2_frame_pack_frame_hd(buf.last, &hd); buf.last += NGHTTP2_FRAME_HDLEN; nghttp2_put_uint16be(buf.last, sizeof(origin) - 1); buf.last += 2; buf.last = nghttp2_cpymem(buf.last, origin, sizeof(origin) - 1); buf.last = nghttp2_cpymem(buf.last, field_value, sizeof(field_value) - 1); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf.pos, nghttp2_buf_len(&buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&buf), ==, rv); assert_int(1, ==, ud.frame_recv_cb_called); assert_uint8(NGHTTP2_ALTSVC, ==, ud.recv_frame_hd.type); assert_uint8(NGHTTP2_FLAG_NONE, ==, ud.recv_frame_hd.flags); assert_int32(0, ==, ud.recv_frame_hd.stream_id); nghttp2_session_del(session); /* size of origin is larger than frame length */ nghttp2_buf_reset(&buf); nghttp2_session_client_new2(&session, &callbacks, &ud, option); nghttp2_frame_hd_init(&hd, 2 + sizeof(origin) - 1 - 1, NGHTTP2_ALTSVC, NGHTTP2_FLAG_NONE, 0); nghttp2_frame_pack_frame_hd(buf.last, &hd); buf.last += NGHTTP2_FRAME_HDLEN; nghttp2_put_uint16be(buf.last, sizeof(origin) - 1); buf.last += 2; buf.last = nghttp2_cpymem(buf.last, origin, sizeof(origin) - 1 - 1); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf.pos, nghttp2_buf_len(&buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&buf), ==, rv); assert_int(0, ==, ud.frame_recv_cb_called); nghttp2_session_del(session); /* zero-length value */ nghttp2_buf_reset(&buf); nghttp2_session_client_new2(&session, &callbacks, &ud, option); nghttp2_frame_hd_init(&hd, 2 + sizeof(origin) - 1, NGHTTP2_ALTSVC, NGHTTP2_FLAG_NONE, 0); nghttp2_frame_pack_frame_hd(buf.last, &hd); buf.last += NGHTTP2_FRAME_HDLEN; nghttp2_put_uint16be(buf.last, sizeof(origin) - 1); buf.last += 2; buf.last = nghttp2_cpymem(buf.last, origin, sizeof(origin) - 1); ud.invalid_frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf.pos, nghttp2_buf_len(&buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&buf), ==, rv); assert_int(1, ==, ud.invalid_frame_recv_cb_called); nghttp2_session_del(session); /* non-empty origin to a stream other than 0 */ nghttp2_buf_reset(&buf); nghttp2_session_client_new2(&session, &callbacks, &ud, option); open_sent_stream(session, 1); nghttp2_frame_hd_init(&hd, 2 + sizeof(origin) - 1 + sizeof(field_value) - 1, NGHTTP2_ALTSVC, NGHTTP2_FLAG_NONE, 1); nghttp2_frame_pack_frame_hd(buf.last, &hd); buf.last += NGHTTP2_FRAME_HDLEN; nghttp2_put_uint16be(buf.last, sizeof(origin) - 1); buf.last += 2; buf.last = nghttp2_cpymem(buf.last, origin, sizeof(origin) - 1); buf.last = nghttp2_cpymem(buf.last, field_value, sizeof(field_value) - 1); ud.invalid_frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf.pos, nghttp2_buf_len(&buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&buf), ==, rv); assert_int(1, ==, ud.invalid_frame_recv_cb_called); nghttp2_session_del(session); /* empty origin to stream 0 */ nghttp2_buf_reset(&buf); nghttp2_session_client_new2(&session, &callbacks, &ud, option); nghttp2_frame_hd_init(&hd, 2 + sizeof(field_value) - 1, NGHTTP2_ALTSVC, NGHTTP2_FLAG_NONE, 0); nghttp2_frame_pack_frame_hd(buf.last, &hd); buf.last += NGHTTP2_FRAME_HDLEN; nghttp2_put_uint16be(buf.last, 0); buf.last += 2; buf.last = nghttp2_cpymem(buf.last, field_value, sizeof(field_value) - 1); ud.invalid_frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf.pos, nghttp2_buf_len(&buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&buf), ==, rv); assert_int(1, ==, ud.invalid_frame_recv_cb_called); nghttp2_session_del(session); /* send large frame (16KiB) */ nghttp2_buf_reset(&buf); nghttp2_session_client_new2(&session, &callbacks, &ud, option); nghttp2_frame_hd_init(&hd, NGHTTP2_MAX_FRAME_SIZE_MIN, NGHTTP2_ALTSVC, NGHTTP2_FLAG_NONE, 0); nghttp2_frame_pack_frame_hd(buf.last, &hd); buf.last += NGHTTP2_FRAME_HDLEN; nghttp2_put_uint16be(buf.last, sizeof(origin) - 1); buf.last += 2; buf.last = nghttp2_cpymem(buf.last, origin, sizeof(origin) - 1); memset(buf.last, 0, nghttp2_buf_avail(&buf)); buf.last += nghttp2_buf_avail(&buf); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf.pos, nghttp2_buf_len(&buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&buf), ==, rv); assert_int(1, ==, ud.frame_recv_cb_called); assert_uint8(NGHTTP2_ALTSVC, ==, ud.recv_frame_hd.type); assert_size(NGHTTP2_MAX_FRAME_SIZE_MIN, ==, ud.recv_frame_hd.length); nghttp2_session_del(session); /* send too large frame */ nghttp2_buf_reset(&buf); nghttp2_session_client_new2(&session, &callbacks, &ud, option); session->local_settings.max_frame_size = NGHTTP2_MAX_FRAME_SIZE_MIN - 1; nghttp2_frame_hd_init(&hd, NGHTTP2_MAX_FRAME_SIZE_MIN + 1, NGHTTP2_ALTSVC, NGHTTP2_FLAG_NONE, 0); nghttp2_frame_pack_frame_hd(buf.last, &hd); buf.last += NGHTTP2_FRAME_HDLEN; nghttp2_put_uint16be(buf.last, sizeof(origin) - 1); buf.last += 2; buf.last = nghttp2_cpymem(buf.last, origin, sizeof(origin) - 1); memset(buf.last, 0, nghttp2_buf_avail(&buf)); buf.last += nghttp2_buf_avail(&buf); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf.pos, nghttp2_buf_len(&buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&buf), ==, rv); assert_int(0, ==, ud.frame_recv_cb_called); nghttp2_session_del(session); /* received by server */ nghttp2_buf_reset(&buf); nghttp2_session_server_new2(&session, &callbacks, &ud, option); nghttp2_frame_hd_init(&hd, 2 + sizeof(origin) - 1 + sizeof(field_value) - 1, NGHTTP2_ALTSVC, NGHTTP2_FLAG_NONE, 0); nghttp2_frame_pack_frame_hd(buf.last, &hd); buf.last += NGHTTP2_FRAME_HDLEN; nghttp2_put_uint16be(buf.last, sizeof(origin) - 1); buf.last += 2; buf.last = nghttp2_cpymem(buf.last, origin, sizeof(origin) - 1); buf.last = nghttp2_cpymem(buf.last, field_value, sizeof(field_value) - 1); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf.pos, nghttp2_buf_len(&buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&buf), ==, rv); assert_int(0, ==, ud.frame_recv_cb_called); nghttp2_session_del(session); nghttp2_buf_free(&buf, mem); nghttp2_option_del(option); } void test_nghttp2_session_recv_origin(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; nghttp2_bufs bufs; nghttp2_ssize rv; nghttp2_option *option; nghttp2_extension frame; nghttp2_ext_origin origin; nghttp2_origin_entry ov; static const uint8_t nghttp2[] = "https://nghttp2.org"; frame_pack_bufs_init(&bufs); frame.payload = &origin; ov.origin = (uint8_t *)nghttp2; ov.origin_len = sizeof(nghttp2) - 1; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_frame_recv_callback = on_frame_recv_callback; nghttp2_option_new(&option); nghttp2_option_set_builtin_recv_extension_type(option, NGHTTP2_ORIGIN); nghttp2_session_client_new2(&session, &callbacks, &ud, option); nghttp2_frame_origin_init(&frame, &ov, 1); rv = nghttp2_frame_pack_origin(&bufs, &frame); assert_ptrdiff(0, ==, rv); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, rv); assert_int(1, ==, ud.frame_recv_cb_called); assert_uint8(NGHTTP2_ORIGIN, ==, ud.recv_frame_hd.type); assert_uint8(NGHTTP2_FLAG_NONE, ==, ud.recv_frame_hd.flags); assert_int32(0, ==, ud.recv_frame_hd.stream_id); nghttp2_session_del(session); nghttp2_bufs_reset(&bufs); /* The length of origin is larger than payload length. */ nghttp2_session_client_new2(&session, &callbacks, &ud, option); nghttp2_frame_origin_init(&frame, &ov, 1); rv = nghttp2_frame_pack_origin(&bufs, &frame); assert_ptrdiff(0, ==, rv); nghttp2_put_uint16be(bufs.head->buf.pos + NGHTTP2_FRAME_HDLEN, (uint16_t)sizeof(nghttp2)); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, rv); assert_int(0, ==, ud.frame_recv_cb_called); nghttp2_session_del(session); nghttp2_bufs_reset(&bufs); /* A frame should be ignored if it is sent to a stream other than stream 0. */ nghttp2_session_client_new2(&session, &callbacks, &ud, option); nghttp2_frame_origin_init(&frame, &ov, 1); frame.hd.stream_id = 1; rv = nghttp2_frame_pack_origin(&bufs, &frame); assert_ptrdiff(0, ==, rv); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, rv); assert_int(0, ==, ud.frame_recv_cb_called); nghttp2_session_del(session); nghttp2_bufs_reset(&bufs); /* A frame should be ignored if the reserved flag is set */ nghttp2_session_client_new2(&session, &callbacks, &ud, option); nghttp2_frame_origin_init(&frame, &ov, 1); frame.hd.flags = 0xf0; rv = nghttp2_frame_pack_origin(&bufs, &frame); assert_ptrdiff(0, ==, rv); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, rv); assert_int(0, ==, ud.frame_recv_cb_called); nghttp2_session_del(session); nghttp2_bufs_reset(&bufs); /* A frame should be ignored if it is received by a server. */ nghttp2_session_server_new2(&session, &callbacks, &ud, option); nghttp2_frame_origin_init(&frame, &ov, 1); rv = nghttp2_frame_pack_origin(&bufs, &frame); assert_ptrdiff(0, ==, rv); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, rv); assert_int(0, ==, ud.frame_recv_cb_called); nghttp2_session_del(session); nghttp2_bufs_reset(&bufs); /* Receiving empty ORIGIN frame */ nghttp2_session_client_new2(&session, &callbacks, &ud, option); nghttp2_frame_origin_init(&frame, NULL, 0); rv = nghttp2_frame_pack_origin(&bufs, &frame); assert_ptrdiff(0, ==, rv); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, rv); assert_int(1, ==, ud.frame_recv_cb_called); assert_uint8(NGHTTP2_ORIGIN, ==, ud.recv_frame_hd.type); nghttp2_session_del(session); nghttp2_option_del(option); nghttp2_bufs_free(&bufs); } void test_nghttp2_session_recv_priority_update(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; nghttp2_bufs bufs; nghttp2_ssize rv; nghttp2_option *option; nghttp2_extension frame; nghttp2_ext_priority_update priority_update; nghttp2_stream *stream; nghttp2_hd_deflater deflater; nghttp2_mem *mem; uint8_t large_field_value[sizeof(session->iframe.raw_sbuf) + 1]; nghttp2_outbound_item *item; size_t i; int32_t stream_id; static const uint8_t field_value[] = "u=2,i"; mem = nghttp2_mem_default(); memset(large_field_value, ' ', sizeof(large_field_value)); memcpy(large_field_value, field_value, sizeof(field_value) - 1); frame_pack_bufs_init(&bufs); frame.payload = &priority_update; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_frame_recv_callback = on_frame_recv_callback; nghttp2_option_new(&option); nghttp2_option_set_builtin_recv_extension_type(option, NGHTTP2_PRIORITY_UPDATE); nghttp2_session_server_new2(&session, &callbacks, &ud, option); session->pending_no_rfc7540_priorities = 1; nghttp2_frame_priority_update_init(&frame, 1, (uint8_t *)field_value, sizeof(field_value) - 1); nghttp2_frame_pack_priority_update(&bufs, &frame); open_recv_stream(session, 1); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, rv); assert_int(1, ==, ud.frame_recv_cb_called); assert_uint8(NGHTTP2_PRIORITY_UPDATE, ==, ud.recv_frame_hd.type); assert_uint8(NGHTTP2_FLAG_NONE, ==, ud.recv_frame_hd.flags); assert_int32(0, ==, ud.recv_frame_hd.stream_id); stream = nghttp2_session_get_stream_raw(session, 1); assert_uint32(2, ==, nghttp2_extpri_uint8_urgency(stream->extpri)); assert_true(nghttp2_extpri_uint8_inc(stream->extpri)); nghttp2_session_del(session); nghttp2_bufs_reset(&bufs); /* Check that priority which is received in idle state is retained. */ nghttp2_session_server_new2(&session, &callbacks, &ud, option); session->pending_no_rfc7540_priorities = 1; nghttp2_frame_priority_update_init(&frame, 1, (uint8_t *)field_value, sizeof(field_value) - 1); nghttp2_frame_pack_priority_update(&bufs, &frame); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, rv); assert_int(1, ==, ud.frame_recv_cb_called); assert_uint8(NGHTTP2_PRIORITY_UPDATE, ==, ud.recv_frame_hd.type); assert_uint8(NGHTTP2_FLAG_NONE, ==, ud.recv_frame_hd.flags); assert_int32(0, ==, ud.recv_frame_hd.stream_id); stream = nghttp2_session_get_stream_raw(session, 1); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_IDLE, ==, stream->state); assert_uint32(2, ==, nghttp2_extpri_uint8_urgency(stream->extpri)); assert_true(nghttp2_extpri_uint8_inc(stream->extpri)); nghttp2_hd_deflate_init(&deflater, mem); nghttp2_bufs_reset(&bufs); rv = pack_headers(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS, reqnv, ARRLEN(reqnv), mem); assert_ptrdiff(0, ==, rv); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, rv); assert_int(1, ==, ud.frame_recv_cb_called); assert_uint8(NGHTTP2_HEADERS, ==, ud.recv_frame_hd.type); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_OPENING, ==, stream->state); assert_uint32(2, ==, nghttp2_extpri_uint8_urgency(stream->extpri)); assert_true(nghttp2_extpri_uint8_inc(stream->extpri)); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_bufs_reset(&bufs); /* PRIORITY_UPDATE with too large field_value is discarded */ nghttp2_session_server_new2(&session, &callbacks, &ud, option); session->pending_no_rfc7540_priorities = 1; nghttp2_frame_priority_update_init(&frame, 1, large_field_value, sizeof(large_field_value)); nghttp2_frame_pack_priority_update(&bufs, &frame); open_recv_stream(session, 1); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, rv); assert_int(0, ==, ud.frame_recv_cb_called); stream = nghttp2_session_get_stream_raw(session, 1); assert_uint32(NGHTTP2_EXTPRI_DEFAULT_URGENCY, ==, stream->extpri); nghttp2_session_del(session); nghttp2_bufs_reset(&bufs); /* Connection error if client receives PRIORITY_UPDATE. */ nghttp2_session_client_new2(&session, &callbacks, &ud, option); session->pending_no_rfc7540_priorities = 1; nghttp2_frame_priority_update_init(&frame, 1, (uint8_t *)field_value, sizeof(field_value) - 1); nghttp2_frame_pack_priority_update(&bufs, &frame); open_sent_stream(session, 1); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, rv); assert_int(0, ==, ud.frame_recv_cb_called); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); assert_uint32(NGHTTP2_PROTOCOL_ERROR, ==, item->frame.goaway.error_code); nghttp2_session_del(session); nghttp2_bufs_reset(&bufs); /* The number of idle streams exceeds the maximum. */ nghttp2_session_server_new2(&session, &callbacks, &ud, option); session->pending_no_rfc7540_priorities = 1; session->local_settings.max_concurrent_streams = 100; for (i = 0; i < 101; ++i) { stream_id = (int32_t)(i * 2 + 1); nghttp2_frame_priority_update_init( &frame, stream_id, (uint8_t *)field_value, sizeof(field_value) - 1); nghttp2_frame_pack_priority_update(&bufs, &frame); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); if (i < 100) { assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, rv); assert_int(1, ==, ud.frame_recv_cb_called); assert_uint8(NGHTTP2_PRIORITY_UPDATE, ==, ud.recv_frame_hd.type); } else { assert_int(0, ==, ud.frame_recv_cb_called); } nghttp2_bufs_reset(&bufs); } item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); assert_uint32(NGHTTP2_PROTOCOL_ERROR, ==, item->frame.goaway.error_code); nghttp2_session_del(session); nghttp2_option_del(option); nghttp2_bufs_free(&bufs); } void test_nghttp2_session_continue(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data user_data; const nghttp2_nv nv1[] = {MAKE_NV(":method", "GET"), MAKE_NV(":path", "/")}; const nghttp2_nv nv2[] = {MAKE_NV("user-agent", "nghttp2/1.0.0"), MAKE_NV("alpha", "bravo")}; nghttp2_bufs bufs; nghttp2_buf *buf; size_t framelen1, framelen2; nghttp2_ssize rv; uint8_t buffer[4096]; nghttp2_buf databuf; nghttp2_frame frame; nghttp2_nv *nva; size_t nvlen; const nghttp2_frame *recv_frame; nghttp2_frame_hd data_hd; nghttp2_hd_deflater deflater; nghttp2_mem *mem; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); nghttp2_buf_wrap_init(&databuf, buffer, sizeof(buffer)); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_frame_recv_callback = on_frame_recv_callback; callbacks.on_data_chunk_recv_callback = pause_on_data_chunk_recv_callback; callbacks.on_header_callback = pause_on_header_callback; callbacks.on_begin_headers_callback = on_begin_headers_callback; nghttp2_session_server_new(&session, &callbacks, &user_data); /* disable strict HTTP layering checks */ session->opt_flags |= NGHTTP2_OPTMASK_NO_HTTP_MESSAGING; nghttp2_hd_deflate_init(&deflater, mem); /* Make 2 HEADERS frames */ nvlen = ARRLEN(nv1); nghttp2_nv_array_copy(&nva, nv1, nvlen, mem); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS, 1, NGHTTP2_HCAT_HEADERS, NULL, nva, nvlen); rv = nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater); assert_ptrdiff(0, ==, rv); assert_size(0, <, nghttp2_bufs_len(&bufs)); nghttp2_frame_headers_free(&frame.headers, mem); buf = &bufs.head->buf; assert(nghttp2_bufs_len(&bufs) == nghttp2_buf_len(buf)); framelen1 = nghttp2_buf_len(buf); databuf.last = nghttp2_cpymem(databuf.last, buf->pos, nghttp2_buf_len(buf)); nvlen = ARRLEN(nv2); nghttp2_nv_array_copy(&nva, nv2, nvlen, mem); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS, 3, NGHTTP2_HCAT_HEADERS, NULL, nva, nvlen); nghttp2_bufs_reset(&bufs); rv = nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater); assert_ptrdiff(0, ==, rv); assert_size(0, <, nghttp2_bufs_len(&bufs)); nghttp2_frame_headers_free(&frame.headers, mem); assert(nghttp2_bufs_len(&bufs) == nghttp2_buf_len(buf)); framelen2 = nghttp2_buf_len(buf); databuf.last = nghttp2_cpymem(databuf.last, buf->pos, nghttp2_buf_len(buf)); /* Receive 1st HEADERS and pause */ user_data.begin_headers_cb_called = 0; user_data.header_cb_called = 0; rv = nghttp2_session_mem_recv2(session, databuf.pos, nghttp2_buf_len(&databuf)); assert_ptrdiff(0, <=, rv); databuf.pos += rv; recv_frame = user_data.frame; assert_uint8(NGHTTP2_HEADERS, ==, recv_frame->hd.type); assert_size(framelen1 - NGHTTP2_FRAME_HDLEN, ==, recv_frame->hd.length); assert_int(1, ==, user_data.begin_headers_cb_called); assert_int(1, ==, user_data.header_cb_called); assert_true(nghttp2_nv_equal(&nv1[0], &user_data.nv)); /* get 2nd header field */ user_data.begin_headers_cb_called = 0; user_data.header_cb_called = 0; rv = nghttp2_session_mem_recv2(session, databuf.pos, nghttp2_buf_len(&databuf)); assert_ptrdiff(0, <=, rv); databuf.pos += rv; assert_int(0, ==, user_data.begin_headers_cb_called); assert_int(1, ==, user_data.header_cb_called); assert_true(nghttp2_nv_equal(&nv1[1], &user_data.nv)); /* will call end_headers_callback and receive 2nd HEADERS and pause */ user_data.begin_headers_cb_called = 0; user_data.header_cb_called = 0; rv = nghttp2_session_mem_recv2(session, databuf.pos, nghttp2_buf_len(&databuf)); assert_ptrdiff(0, <=, rv); databuf.pos += rv; recv_frame = user_data.frame; assert_uint8(NGHTTP2_HEADERS, ==, recv_frame->hd.type); assert_size(framelen2 - NGHTTP2_FRAME_HDLEN, ==, recv_frame->hd.length); assert_int(1, ==, user_data.begin_headers_cb_called); assert_int(1, ==, user_data.header_cb_called); assert_true(nghttp2_nv_equal(&nv2[0], &user_data.nv)); /* get 2nd header field */ user_data.begin_headers_cb_called = 0; user_data.header_cb_called = 0; rv = nghttp2_session_mem_recv2(session, databuf.pos, nghttp2_buf_len(&databuf)); assert_ptrdiff(0, <=, rv); databuf.pos += rv; assert_int(0, ==, user_data.begin_headers_cb_called); assert_int(1, ==, user_data.header_cb_called); assert_true(nghttp2_nv_equal(&nv2[1], &user_data.nv)); /* No input data, frame_recv_callback is called */ user_data.begin_headers_cb_called = 0; user_data.header_cb_called = 0; user_data.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, databuf.pos, nghttp2_buf_len(&databuf)); assert_ptrdiff(0, <=, rv); databuf.pos += rv; assert_int(0, ==, user_data.begin_headers_cb_called); assert_int(0, ==, user_data.header_cb_called); assert_int(1, ==, user_data.frame_recv_cb_called); /* Receive DATA */ nghttp2_frame_hd_init(&data_hd, 16, NGHTTP2_DATA, NGHTTP2_FLAG_NONE, 1); nghttp2_buf_reset(&databuf); nghttp2_frame_pack_frame_hd(databuf.pos, &data_hd); /* Intentionally specify larger buffer size to see pause is kicked in. */ databuf.last = databuf.end; user_data.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, databuf.pos, nghttp2_buf_len(&databuf)); assert_ptrdiff(16 + NGHTTP2_FRAME_HDLEN, ==, rv); assert_int(0, ==, user_data.frame_recv_cb_called); /* Next nghttp2_session_mem_recv2 invokes on_frame_recv_callback and pause again in on_data_chunk_recv_callback since we pass same DATA frame. */ user_data.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, databuf.pos, nghttp2_buf_len(&databuf)); assert_ptrdiff(16 + NGHTTP2_FRAME_HDLEN, ==, rv); assert_int(1, ==, user_data.frame_recv_cb_called); /* And finally call on_frame_recv_callback with 0 size input */ user_data.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, NULL, 0); assert_ptrdiff(0, ==, rv); assert_int(1, ==, user_data.frame_recv_cb_called); nghttp2_bufs_free(&bufs); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); } void test_nghttp2_session_add_frame(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; accumulator acc; my_user_data user_data; nghttp2_outbound_item *item; nghttp2_frame *frame; nghttp2_nv *nva; size_t nvlen; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = accumulator_send_callback; acc.length = 0; user_data.acc = &acc; assert_int(0, ==, nghttp2_session_client_new(&session, &callbacks, &user_data)); item = mem->malloc(sizeof(nghttp2_outbound_item), NULL); nghttp2_outbound_item_init(item); frame = &item->frame; nvlen = ARRLEN(reqnv); nghttp2_nv_array_copy(&nva, reqnv, nvlen, mem); nghttp2_frame_headers_init( &frame->headers, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_PRIORITY, (int32_t)session->next_stream_id, NGHTTP2_HCAT_REQUEST, NULL, nva, nvlen); session->next_stream_id += 2; assert_int(0, ==, nghttp2_session_add_item(session, item)); assert_not_null(nghttp2_outbound_queue_top(&session->ob_syn)); assert_int(0, ==, nghttp2_session_send(session)); assert_uint8(NGHTTP2_HEADERS, ==, acc.buf[3]); assert_uint8((NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_PRIORITY), ==, acc.buf[4]); /* check stream id */ assert_uint32(1, ==, nghttp2_get_uint32(&acc.buf[5])); nghttp2_session_del(session); } void test_nghttp2_session_on_request_headers_received(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data user_data; nghttp2_frame frame; nghttp2_stream *stream; int32_t stream_id = 1; nghttp2_nv malformed_nva[] = {MAKE_NV(":path", "\x01")}; nghttp2_nv *nva; size_t nvlen; nghttp2_priority_spec pri_spec; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_begin_headers_callback = on_begin_headers_callback; callbacks.on_invalid_frame_recv_callback = on_invalid_frame_recv_callback; nghttp2_session_server_new(&session, &callbacks, &user_data); nghttp2_priority_spec_init(&pri_spec, 0, 255, 0); nghttp2_frame_headers_init( &frame.headers, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_PRIORITY, stream_id, NGHTTP2_HCAT_REQUEST, &pri_spec, NULL, 0); user_data.begin_headers_cb_called = 0; user_data.invalid_frame_recv_cb_called = 0; assert_int(0, ==, nghttp2_session_on_request_headers_received(session, &frame)); assert_int(1, ==, user_data.begin_headers_cb_called); stream = nghttp2_session_get_stream(session, stream_id); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_OPENING, ==, stream->state); assert_int32(255, ==, stream->weight); nghttp2_frame_headers_free(&frame.headers, mem); /* More than un-ACKed max concurrent streams leads REFUSED_STREAM */ session->pending_local_max_concurrent_stream = 1; nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_PRIORITY, 3, NGHTTP2_HCAT_HEADERS, NULL, NULL, 0); user_data.invalid_frame_recv_cb_called = 0; assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_request_headers_received(session, &frame)); assert_int(1, ==, user_data.invalid_frame_recv_cb_called); assert_false(session->goaway_flags & NGHTTP2_GOAWAY_TERM_ON_SEND); nghttp2_frame_headers_free(&frame.headers, mem); session->local_settings.max_concurrent_streams = NGHTTP2_DEFAULT_MAX_CONCURRENT_STREAMS; /* Stream ID less than or equal to the previously received request HEADERS is just ignored due to race condition */ nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_PRIORITY, 3, NGHTTP2_HCAT_HEADERS, NULL, NULL, 0); user_data.invalid_frame_recv_cb_called = 0; assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_request_headers_received(session, &frame)); assert_int(0, ==, user_data.invalid_frame_recv_cb_called); assert_false(session->goaway_flags & NGHTTP2_GOAWAY_TERM_ON_SEND); nghttp2_frame_headers_free(&frame.headers, mem); /* Stream ID is our side and it is idle stream ID, then treat it as connection error */ nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_PRIORITY, 2, NGHTTP2_HCAT_HEADERS, NULL, NULL, 0); user_data.invalid_frame_recv_cb_called = 0; assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_request_headers_received(session, &frame)); assert_int(1, ==, user_data.invalid_frame_recv_cb_called); assert_true(session->goaway_flags & NGHTTP2_GOAWAY_TERM_ON_SEND); nghttp2_frame_headers_free(&frame.headers, mem); nghttp2_session_del(session); /* Check malformed headers. The library accept it. */ nghttp2_session_server_new(&session, &callbacks, &user_data); nvlen = ARRLEN(malformed_nva); nghttp2_nv_array_copy(&nva, malformed_nva, nvlen, mem); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_PRIORITY, 1, NGHTTP2_HCAT_HEADERS, NULL, nva, nvlen); user_data.begin_headers_cb_called = 0; user_data.invalid_frame_recv_cb_called = 0; assert_int(0, ==, nghttp2_session_on_request_headers_received(session, &frame)); assert_int(1, ==, user_data.begin_headers_cb_called); assert_int(0, ==, user_data.invalid_frame_recv_cb_called); nghttp2_frame_headers_free(&frame.headers, mem); nghttp2_session_del(session); /* Check client side */ nghttp2_session_client_new(&session, &callbacks, &user_data); /* Receiving peer's idle stream ID is subject to connection error */ nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS, 2, NGHTTP2_HCAT_REQUEST, NULL, NULL, 0); user_data.invalid_frame_recv_cb_called = 0; assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_request_headers_received(session, &frame)); assert_int(1, ==, user_data.invalid_frame_recv_cb_called); assert_true(session->goaway_flags & NGHTTP2_GOAWAY_TERM_ON_SEND); nghttp2_frame_headers_free(&frame.headers, mem); nghttp2_session_del(session); nghttp2_session_client_new(&session, &callbacks, &user_data); /* Receiving our's idle stream ID is subject to connection error */ nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS, 1, NGHTTP2_HCAT_REQUEST, NULL, NULL, 0); user_data.invalid_frame_recv_cb_called = 0; assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_request_headers_received(session, &frame)); assert_int(1, ==, user_data.invalid_frame_recv_cb_called); assert_true(session->goaway_flags & NGHTTP2_GOAWAY_TERM_ON_SEND); nghttp2_frame_headers_free(&frame.headers, mem); nghttp2_session_del(session); nghttp2_session_client_new(&session, &callbacks, &user_data); session->next_stream_id = 5; session->last_sent_stream_id = 3; /* Stream ID which is not idle and not in stream map is just ignored */ nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS, 3, NGHTTP2_HCAT_REQUEST, NULL, NULL, 0); user_data.invalid_frame_recv_cb_called = 0; assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_request_headers_received(session, &frame)); assert_int(0, ==, user_data.invalid_frame_recv_cb_called); assert_false(session->goaway_flags & NGHTTP2_GOAWAY_TERM_ON_SEND); nghttp2_frame_headers_free(&frame.headers, mem); nghttp2_session_del(session); nghttp2_session_server_new(&session, &callbacks, &user_data); /* Stream ID which is equal to local_last_stream_id is ok. */ session->local_last_stream_id = 3; nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS, 3, NGHTTP2_HCAT_REQUEST, NULL, NULL, 0); assert_int(0, ==, nghttp2_session_on_request_headers_received(session, &frame)); nghttp2_frame_headers_free(&frame.headers, mem); /* If GOAWAY has been sent, new stream is ignored */ nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS, 5, NGHTTP2_HCAT_REQUEST, NULL, NULL, 0); session->goaway_flags |= NGHTTP2_GOAWAY_SENT; user_data.invalid_frame_recv_cb_called = 0; assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_request_headers_received(session, &frame)); assert_int(0, ==, user_data.invalid_frame_recv_cb_called); assert_false(session->goaway_flags & NGHTTP2_GOAWAY_TERM_ON_SEND); nghttp2_frame_headers_free(&frame.headers, mem); nghttp2_session_del(session); nghttp2_session_server_new(&session, &callbacks, &user_data); /* HEADERS to closed stream */ stream = open_recv_stream(session, 1); nghttp2_stream_shutdown(stream, NGHTTP2_SHUT_RD); nghttp2_session_close_stream(session, 1, NGHTTP2_NO_ERROR); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS, 1, NGHTTP2_HCAT_REQUEST, NULL, NULL, 0); assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_request_headers_received(session, &frame)); assert_true(session->goaway_flags & NGHTTP2_GOAWAY_TERM_ON_SEND); nghttp2_frame_headers_free(&frame.headers, mem); nghttp2_session_del(session); } void test_nghttp2_session_on_response_headers_received(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data user_data; nghttp2_frame frame; nghttp2_stream *stream; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_begin_headers_callback = on_begin_headers_callback; callbacks.on_invalid_frame_recv_callback = on_invalid_frame_recv_callback; nghttp2_session_client_new(&session, &callbacks, &user_data); stream = open_sent_stream2(session, 1, NGHTTP2_STREAM_OPENING); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS, 1, NGHTTP2_HCAT_HEADERS, NULL, NULL, 0); user_data.begin_headers_cb_called = 0; user_data.invalid_frame_recv_cb_called = 0; assert_int( 0, ==, nghttp2_session_on_response_headers_received(session, &frame, stream)); assert_int(1, ==, user_data.begin_headers_cb_called); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_OPENED, ==, stream->state); nghttp2_frame_headers_free(&frame.headers, mem); nghttp2_session_del(session); } void test_nghttp2_session_on_headers_received(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data user_data; nghttp2_frame frame; nghttp2_stream *stream; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_begin_headers_callback = on_begin_headers_callback; callbacks.on_invalid_frame_recv_callback = on_invalid_frame_recv_callback; nghttp2_session_client_new(&session, &callbacks, &user_data); stream = open_sent_stream2(session, 1, NGHTTP2_STREAM_OPENED); nghttp2_stream_shutdown(stream, NGHTTP2_SHUT_WR); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS, 1, NGHTTP2_HCAT_HEADERS, NULL, NULL, 0); user_data.begin_headers_cb_called = 0; user_data.invalid_frame_recv_cb_called = 0; assert_int(0, ==, nghttp2_session_on_headers_received(session, &frame, stream)); assert_int(1, ==, user_data.begin_headers_cb_called); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_OPENED, ==, stream->state); /* stream closed */ frame.hd.flags |= NGHTTP2_FLAG_END_STREAM; assert_int(0, ==, nghttp2_session_on_headers_received(session, &frame, stream)); assert_int(2, ==, user_data.begin_headers_cb_called); /* Check to see when NGHTTP2_STREAM_CLOSING, incoming HEADERS is discarded. */ stream = open_sent_stream2(session, 3, NGHTTP2_STREAM_CLOSING); frame.hd.stream_id = 3; frame.hd.flags = NGHTTP2_FLAG_END_HEADERS; assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_headers_received(session, &frame, stream)); /* See no counters are updated */ assert_int(2, ==, user_data.begin_headers_cb_called); assert_int(0, ==, user_data.invalid_frame_recv_cb_called); /* Server initiated stream */ stream = open_recv_stream(session, 2); frame.hd.flags = NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_END_STREAM; frame.hd.stream_id = 2; assert_int(0, ==, nghttp2_session_on_headers_received(session, &frame, stream)); assert_int(3, ==, user_data.begin_headers_cb_called); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_OPENED, ==, stream->state); nghttp2_stream_shutdown(stream, NGHTTP2_SHUT_RD); /* Further reception of HEADERS is subject to stream error */ assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_headers_received(session, &frame, stream)); assert_int(1, ==, user_data.invalid_frame_recv_cb_called); nghttp2_frame_headers_free(&frame.headers, mem); nghttp2_session_del(session); } void test_nghttp2_session_on_push_response_headers_received(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data user_data; nghttp2_frame frame; nghttp2_stream *stream; nghttp2_outbound_item *item; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_begin_headers_callback = on_begin_headers_callback; callbacks.on_invalid_frame_recv_callback = on_invalid_frame_recv_callback; nghttp2_session_client_new(&session, &callbacks, &user_data); stream = open_recv_stream2(session, 2, NGHTTP2_STREAM_RESERVED); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS, 2, NGHTTP2_HCAT_HEADERS, NULL, NULL, 0); /* nghttp2_session_on_push_response_headers_received assumes stream's state is NGHTTP2_STREAM_RESERVED and session->server is 0. */ user_data.begin_headers_cb_called = 0; user_data.invalid_frame_recv_cb_called = 0; assert_size(1, ==, session->num_incoming_reserved_streams); assert_int(0, ==, nghttp2_session_on_push_response_headers_received(session, &frame, stream)); assert_int(1, ==, user_data.begin_headers_cb_called); assert_size(0, ==, session->num_incoming_reserved_streams); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_OPENED, ==, stream->state); assert_size(1, ==, session->num_incoming_streams); assert_false(stream->flags & NGHTTP2_STREAM_FLAG_PUSH); /* If un-ACKed max concurrent streams limit is exceeded, RST_STREAMed */ session->pending_local_max_concurrent_stream = 1; stream = open_recv_stream2(session, 4, NGHTTP2_STREAM_RESERVED); frame.hd.stream_id = 4; assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_push_response_headers_received(session, &frame, stream)); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_uint32(NGHTTP2_REFUSED_STREAM, ==, item->frame.rst_stream.error_code); assert_size(1, ==, session->num_incoming_streams); assert_size(1, ==, session->num_incoming_reserved_streams); assert_int(0, ==, nghttp2_session_send(session)); assert_size(1, ==, session->num_incoming_streams); /* If ACKed max concurrent streams limit is exceeded, GOAWAY is issued */ session->local_settings.max_concurrent_streams = 1; stream = open_recv_stream2(session, 6, NGHTTP2_STREAM_RESERVED); frame.hd.stream_id = 6; assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_push_response_headers_received(session, &frame, stream)); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); assert_uint32(NGHTTP2_PROTOCOL_ERROR, ==, item->frame.goaway.error_code); assert_size(1, ==, session->num_incoming_streams); assert_size(1, ==, session->num_incoming_reserved_streams); nghttp2_frame_headers_free(&frame.headers, mem); nghttp2_session_del(session); } void test_nghttp2_session_on_priority_received(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data user_data; nghttp2_frame frame; nghttp2_stream *stream, *dep_stream; nghttp2_priority_spec pri_spec; nghttp2_outbound_item *item; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_frame_recv_callback = on_frame_recv_callback; callbacks.on_invalid_frame_recv_callback = on_invalid_frame_recv_callback; nghttp2_session_server_new(&session, &callbacks, &user_data); stream = open_recv_stream(session, 1); nghttp2_priority_spec_init(&pri_spec, 0, 2, 0); nghttp2_frame_priority_init(&frame.priority, 1, &pri_spec); /* depend on stream 0 */ assert_int(0, ==, nghttp2_session_on_priority_received(session, &frame)); assert_int32(2, ==, stream->weight); stream = open_sent_stream(session, 2); dep_stream = open_recv_stream(session, 3); frame.hd.stream_id = 2; /* using dependency stream */ nghttp2_priority_spec_init(&frame.priority.pri_spec, 3, 1, 0); assert_int(0, ==, nghttp2_session_on_priority_received(session, &frame)); assert_ptr_equal(dep_stream, stream->dep_prev); /* PRIORITY against idle stream */ frame.hd.stream_id = 100; assert_int(0, ==, nghttp2_session_on_priority_received(session, &frame)); stream = nghttp2_session_get_stream_raw(session, frame.hd.stream_id); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_IDLE, ==, stream->state); assert_ptr_equal(dep_stream, stream->dep_prev); nghttp2_frame_priority_free(&frame.priority); nghttp2_session_del(session); /* Check dep_stream_id == stream_id case */ nghttp2_session_server_new(&session, &callbacks, &user_data); open_recv_stream(session, 1); nghttp2_priority_spec_init(&pri_spec, 1, 0, 0); nghttp2_frame_priority_init(&frame.priority, 1, &pri_spec); assert_int(0, ==, nghttp2_session_on_priority_received(session, &frame)); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); nghttp2_frame_priority_free(&frame.priority); nghttp2_session_del(session); /* Check again dep_stream_id == stream_id, and stream_id is idle */ nghttp2_session_server_new(&session, &callbacks, &user_data); nghttp2_priority_spec_init(&pri_spec, 1, 16, 0); nghttp2_frame_priority_init(&frame.priority, 1, &pri_spec); assert_int(0, ==, nghttp2_session_on_priority_received(session, &frame)); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); nghttp2_frame_priority_free(&frame.priority); nghttp2_session_del(session); } void test_nghttp2_session_on_rst_stream_received(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data user_data; nghttp2_frame frame; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); nghttp2_session_server_new(&session, &callbacks, &user_data); open_recv_stream(session, 1); nghttp2_frame_rst_stream_init(&frame.rst_stream, 1, NGHTTP2_PROTOCOL_ERROR); assert_int(0, ==, nghttp2_session_on_rst_stream_received(session, &frame)); assert_null(nghttp2_session_get_stream(session, 1)); nghttp2_frame_rst_stream_free(&frame.rst_stream); nghttp2_session_del(session); } void test_nghttp2_session_on_settings_received(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data user_data; nghttp2_stream *stream1, *stream2; nghttp2_frame frame; const size_t niv = 5; nghttp2_settings_entry iv[255]; nghttp2_outbound_item *item; nghttp2_nv nv = MAKE_NV(":authority", "example.org"); nghttp2_mem *mem; nghttp2_option *option; uint8_t data[2048]; nghttp2_frame_hd hd; int rv; nghttp2_ssize nread; nghttp2_stream *stream; mem = nghttp2_mem_default(); iv[0].settings_id = NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS; iv[0].value = 50; iv[1].settings_id = NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS; iv[1].value = 1000000009; iv[2].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE; iv[2].value = 64 * 1024; iv[3].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE; iv[3].value = 1024; iv[4].settings_id = NGHTTP2_SETTINGS_ENABLE_PUSH; iv[4].value = 0; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_client_new(&session, &callbacks, &user_data); session->remote_settings.initial_window_size = 16 * 1024; stream1 = open_sent_stream(session, 1); stream2 = open_recv_stream(session, 2); /* Set window size for each streams and will see how settings updates these values */ stream1->remote_window_size = 16 * 1024; stream2->remote_window_size = -48 * 1024; nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_NONE, dup_iv(iv, niv), niv); assert_int(0, ==, nghttp2_session_on_settings_received(session, &frame, 0)); assert_uint32(1000000009, ==, session->remote_settings.max_concurrent_streams); assert_uint32(64 * 1024, ==, session->remote_settings.initial_window_size); assert_uint32(1024, ==, session->remote_settings.header_table_size); assert_uint32(0, ==, session->remote_settings.enable_push); assert_int32(64 * 1024, ==, stream1->remote_window_size); assert_int32(0, ==, stream2->remote_window_size); frame.settings.iv[2].value = 16 * 1024; assert_int(0, ==, nghttp2_session_on_settings_received(session, &frame, 0)); assert_int32(16 * 1024, ==, stream1->remote_window_size); assert_int32(-48 * 1024, ==, stream2->remote_window_size); assert_int32(16 * 1024, ==, nghttp2_session_get_stream_remote_window_size( session, stream1->stream_id)); assert_int32(0, ==, nghttp2_session_get_stream_remote_window_size( session, stream2->stream_id)); nghttp2_frame_settings_free(&frame.settings, mem); nghttp2_session_del(session); /* Check ACK with niv > 0 */ nghttp2_session_server_new(&session, &callbacks, NULL); nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_ACK, dup_iv(iv, 1), 1); assert_int(0, ==, nghttp2_session_on_settings_received(session, &frame, 0)); item = nghttp2_session_get_next_ob_item(session); assert_not_null(item); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); nghttp2_frame_settings_free(&frame.settings, mem); nghttp2_session_del(session); /* Check ACK against no inflight SETTINGS */ nghttp2_session_server_new(&session, &callbacks, NULL); nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_ACK, NULL, 0); assert_int(0, ==, nghttp2_session_on_settings_received(session, &frame, 0)); item = nghttp2_session_get_next_ob_item(session); assert_not_null(item); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); nghttp2_frame_settings_free(&frame.settings, mem); nghttp2_session_del(session); /* Check that 2 SETTINGS_HEADER_TABLE_SIZE 0 and 4096 are included and header table size is once cleared to 0. */ nghttp2_session_client_new(&session, &callbacks, NULL); nghttp2_submit_request2(session, NULL, &nv, 1, NULL, NULL); nghttp2_session_send(session); assert_size(0, <, session->hd_deflater.ctx.hd_table.len); iv[0].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE; iv[0].value = 0; iv[1].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE; iv[1].value = 2048; nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_NONE, dup_iv(iv, 2), 2); assert_int(0, ==, nghttp2_session_on_settings_received(session, &frame, 0)); assert_size(0, ==, session->hd_deflater.ctx.hd_table.len); assert_size(2048, ==, session->hd_deflater.ctx.hd_table_bufsize_max); assert_uint32(2048, ==, session->remote_settings.header_table_size); nghttp2_frame_settings_free(&frame.settings, mem); nghttp2_session_del(session); /* Check that remote SETTINGS_MAX_CONCURRENT_STREAMS is set to a value set by nghttp2_option_set_peer_max_concurrent_streams() and reset to the default value (unlimited) after receiving initial SETTINGS frame from the peer. */ nghttp2_option_new(&option); nghttp2_option_set_peer_max_concurrent_streams(option, 1000); nghttp2_session_client_new2(&session, &callbacks, NULL, option); assert_uint32(1000, ==, session->remote_settings.max_concurrent_streams); nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_NONE, NULL, 0); assert_int(0, ==, nghttp2_session_on_settings_received(session, &frame, 0)); assert_uint32(NGHTTP2_DEFAULT_MAX_CONCURRENT_STREAMS, ==, session->remote_settings.max_concurrent_streams); nghttp2_frame_settings_free(&frame.settings, mem); nghttp2_session_del(session); nghttp2_option_del(option); /* Check too large SETTINGS_MAX_FRAME_SIZE */ nghttp2_session_server_new(&session, &callbacks, NULL); iv[0].settings_id = NGHTTP2_SETTINGS_MAX_FRAME_SIZE; iv[0].value = NGHTTP2_MAX_FRAME_SIZE_MAX + 1; nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_NONE, dup_iv(iv, 1), 1); assert_int(0, ==, nghttp2_session_on_settings_received(session, &frame, 0)); item = nghttp2_session_get_next_ob_item(session); assert_not_null(item); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); nghttp2_frame_settings_free(&frame.settings, mem); nghttp2_session_del(session); /* Check the case where stream window size overflows */ nghttp2_session_server_new(&session, &callbacks, NULL); stream1 = open_recv_stream(session, 1); /* This will increment window size by 1 */ nghttp2_frame_window_update_init(&frame.window_update, NGHTTP2_FLAG_NONE, 1, 1); assert_int(0, ==, nghttp2_session_on_window_update_received(session, &frame)); nghttp2_frame_window_update_free(&frame.window_update); iv[0].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE; iv[0].value = NGHTTP2_MAX_WINDOW_SIZE; nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_NONE, dup_iv(iv, 1), 1); /* Now window size gets NGHTTP2_MAX_WINDOW_SIZE + 1, which is unacceptable situation in protocol spec. */ assert_int(0, ==, nghttp2_session_on_settings_received(session, &frame, 0)); nghttp2_frame_settings_free(&frame.settings, mem); item = nghttp2_session_get_next_ob_item(session); assert_not_null(item); assert_uint8(NGHTTP2_SETTINGS, ==, item->frame.hd.type); item = nghttp2_outbound_queue_top(&session->ob_reg); assert_not_null(item); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_CLOSING, ==, stream1->state); nghttp2_session_del(session); /* It is invalid that peer disables ENABLE_CONNECT_PROTOCOL once it has been enabled. */ nghttp2_session_client_new(&session, &callbacks, NULL); session->remote_settings.enable_connect_protocol = 1; iv[0].settings_id = NGHTTP2_SETTINGS_ENABLE_CONNECT_PROTOCOL; iv[0].value = 0; nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_NONE, dup_iv(iv, 1), 1); assert_int(0, ==, nghttp2_session_on_settings_received(session, &frame, 0)); nghttp2_frame_settings_free(&frame.settings, mem); item = nghttp2_session_get_next_ob_item(session); assert_not_null(item); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); nghttp2_session_del(session); /* Should send WINDOW_UPDATE with no_auto_window_update option on if the initial window size is decreased and becomes smaller than or equal to the amount of data that has already received. */ nghttp2_option_new(&option); nghttp2_option_set_no_auto_window_update(option, 1); nghttp2_session_server_new2(&session, &callbacks, NULL, option); iv[0].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE; iv[0].value = 1024; rv = nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, iv, 1); assert_int(0, ==, rv); rv = nghttp2_session_send(session); assert_int(0, ==, rv); stream = open_recv_stream(session, 1); memset(data, 0, sizeof(data)); hd.length = 1024; hd.type = NGHTTP2_DATA; hd.flags = NGHTTP2_FLAG_NONE; hd.stream_id = 1; nghttp2_frame_pack_frame_hd(data, &hd); nread = nghttp2_session_mem_recv2(session, data, NGHTTP2_FRAME_HDLEN + hd.length); assert_ptrdiff((nghttp2_ssize)(NGHTTP2_FRAME_HDLEN + hd.length), ==, nread); rv = nghttp2_session_consume(session, 1, hd.length); assert_int(0, ==, rv); assert_int32((int32_t)hd.length, ==, stream->recv_window_size); assert_int32((int32_t)hd.length, ==, stream->consumed_size); nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_ACK, NULL, 0); rv = nghttp2_session_on_settings_received(session, &frame, 0); assert_int(0, ==, rv); assert_int32(1024, ==, stream->local_window_size); assert_int32(0, ==, stream->recv_window_size); assert_int32(0, ==, stream->consumed_size); item = nghttp2_session_get_next_ob_item(session); assert_not_null(item); assert_uint8(NGHTTP2_WINDOW_UPDATE, ==, item->frame.hd.type); assert_int32((int32_t)hd.length, ==, item->frame.window_update.window_size_increment); nghttp2_session_del(session); nghttp2_option_del(option); /* It is invalid to change SETTINGS_NO_RFC7540_PRIORITIES in the following SETTINGS. */ nghttp2_session_client_new(&session, &callbacks, NULL); session->remote_settings.no_rfc7540_priorities = 1; iv[0].settings_id = NGHTTP2_SETTINGS_NO_RFC7540_PRIORITIES; iv[0].value = 0; nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_NONE, dup_iv(iv, 1), 1); assert_int(0, ==, nghttp2_session_on_settings_received(session, &frame, 0)); nghttp2_frame_settings_free(&frame.settings, mem); item = nghttp2_session_get_next_ob_item(session); assert_not_null(item); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); nghttp2_session_del(session); } void test_nghttp2_session_on_push_promise_received(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data user_data; nghttp2_frame frame; nghttp2_stream *stream, *promised_stream; nghttp2_outbound_item *item; nghttp2_nv malformed_nva[] = {MAKE_NV(":path", "\x01")}; nghttp2_nv *nva; size_t nvlen; nghttp2_mem *mem; nghttp2_settings_entry iv = {NGHTTP2_SETTINGS_ENABLE_PUSH, 0}; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_begin_headers_callback = on_begin_headers_callback; callbacks.on_invalid_frame_recv_callback = on_invalid_frame_recv_callback; nghttp2_session_client_new(&session, &callbacks, &user_data); stream = open_sent_stream(session, 1); nghttp2_frame_push_promise_init(&frame.push_promise, NGHTTP2_FLAG_END_HEADERS, 1, 2, NULL, 0); user_data.begin_headers_cb_called = 0; user_data.invalid_frame_recv_cb_called = 0; assert_int(0, ==, nghttp2_session_on_push_promise_received(session, &frame)); assert_int(1, ==, user_data.begin_headers_cb_called); assert_size(1, ==, session->num_incoming_reserved_streams); promised_stream = nghttp2_session_get_stream(session, 2); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_RESERVED, ==, promised_stream->state); assert_int32(2, ==, session->last_recv_stream_id); /* Attempt to PUSH_PROMISE against half close (remote) */ nghttp2_stream_shutdown(stream, NGHTTP2_SHUT_RD); frame.push_promise.promised_stream_id = 4; user_data.begin_headers_cb_called = 0; user_data.invalid_frame_recv_cb_called = 0; assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_push_promise_received(session, &frame)); assert_int(0, ==, user_data.begin_headers_cb_called); assert_int(1, ==, user_data.invalid_frame_recv_cb_called); assert_size(1, ==, session->num_incoming_reserved_streams); assert_null(nghttp2_session_get_stream(session, 4)); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); assert_uint32(NGHTTP2_STREAM_CLOSED, ==, item->frame.goaway.error_code); assert_int(0, ==, nghttp2_session_send(session)); assert_int32(4, ==, session->last_recv_stream_id); nghttp2_session_del(session); nghttp2_session_client_new(&session, &callbacks, &user_data); stream = open_sent_stream(session, 1); /* Attempt to PUSH_PROMISE against stream in closing state */ stream->state = NGHTTP2_STREAM_CLOSING; frame.push_promise.promised_stream_id = 6; user_data.begin_headers_cb_called = 0; user_data.invalid_frame_recv_cb_called = 0; assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_push_promise_received(session, &frame)); assert_int(0, ==, user_data.begin_headers_cb_called); assert_size(0, ==, session->num_incoming_reserved_streams); assert_null(nghttp2_session_get_stream(session, 6)); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_int32(6, ==, item->frame.hd.stream_id); assert_uint32(NGHTTP2_CANCEL, ==, item->frame.rst_stream.error_code); assert_int(0, ==, nghttp2_session_send(session)); /* Attempt to PUSH_PROMISE against idle stream */ frame.hd.stream_id = 3; frame.push_promise.promised_stream_id = 8; user_data.begin_headers_cb_called = 0; user_data.invalid_frame_recv_cb_called = 0; assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_push_promise_received(session, &frame)); assert_int(0, ==, user_data.begin_headers_cb_called); assert_size(0, ==, session->num_incoming_reserved_streams); assert_null(nghttp2_session_get_stream(session, 8)); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); assert_int32(0, ==, item->frame.hd.stream_id); assert_uint32(NGHTTP2_PROTOCOL_ERROR, ==, item->frame.goaway.error_code); assert_int(0, ==, nghttp2_session_send(session)); nghttp2_session_del(session); nghttp2_session_client_new(&session, &callbacks, &user_data); stream = open_sent_stream(session, 1); /* Same ID twice */ frame.hd.stream_id = 1; frame.push_promise.promised_stream_id = 2; user_data.begin_headers_cb_called = 0; user_data.invalid_frame_recv_cb_called = 0; assert_int(0, ==, nghttp2_session_on_push_promise_received(session, &frame)); assert_int(1, ==, user_data.begin_headers_cb_called); assert_size(1, ==, session->num_incoming_reserved_streams); assert_not_null(nghttp2_session_get_stream(session, 2)); user_data.begin_headers_cb_called = 0; user_data.invalid_frame_recv_cb_called = 0; assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_push_promise_received(session, &frame)); assert_int(0, ==, user_data.begin_headers_cb_called); assert_size(1, ==, session->num_incoming_reserved_streams); assert_null(nghttp2_session_get_stream(session, 8)); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); assert_uint32(NGHTTP2_PROTOCOL_ERROR, ==, item->frame.goaway.error_code); assert_int(0, ==, nghttp2_session_send(session)); /* After GOAWAY, PUSH_PROMISE will be discarded */ frame.push_promise.promised_stream_id = 10; user_data.begin_headers_cb_called = 0; user_data.invalid_frame_recv_cb_called = 0; assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_push_promise_received(session, &frame)); assert_int(0, ==, user_data.begin_headers_cb_called); assert_size(1, ==, session->num_incoming_reserved_streams); assert_null(nghttp2_session_get_stream(session, 10)); assert_null(nghttp2_session_get_next_ob_item(session)); nghttp2_frame_push_promise_free(&frame.push_promise, mem); nghttp2_session_del(session); nghttp2_session_client_new(&session, &callbacks, &user_data); open_recv_stream2(session, 2, NGHTTP2_STREAM_RESERVED); /* Attempt to PUSH_PROMISE against reserved (remote) stream */ nghttp2_frame_push_promise_init(&frame.push_promise, NGHTTP2_FLAG_END_HEADERS, 2, 4, NULL, 0); user_data.begin_headers_cb_called = 0; user_data.invalid_frame_recv_cb_called = 0; assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_push_promise_received(session, &frame)); assert_int(0, ==, user_data.begin_headers_cb_called); assert_int(1, ==, user_data.invalid_frame_recv_cb_called); assert_size(1, ==, session->num_incoming_reserved_streams); nghttp2_frame_push_promise_free(&frame.push_promise, mem); nghttp2_session_del(session); /* Disable PUSH */ nghttp2_session_client_new(&session, &callbacks, &user_data); open_sent_stream(session, 1); session->local_settings.enable_push = 0; nghttp2_frame_push_promise_init(&frame.push_promise, NGHTTP2_FLAG_END_HEADERS, 1, 2, NULL, 0); user_data.begin_headers_cb_called = 0; user_data.invalid_frame_recv_cb_called = 0; assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_push_promise_received(session, &frame)); assert_int(0, ==, user_data.begin_headers_cb_called); assert_int(1, ==, user_data.invalid_frame_recv_cb_called); assert_size(0, ==, session->num_incoming_reserved_streams); nghttp2_frame_push_promise_free(&frame.push_promise, mem); nghttp2_session_del(session); /* Check malformed headers. We accept malformed headers */ nghttp2_session_client_new(&session, &callbacks, &user_data); open_sent_stream(session, 1); nvlen = ARRLEN(malformed_nva); nghttp2_nv_array_copy(&nva, malformed_nva, nvlen, mem); nghttp2_frame_push_promise_init(&frame.push_promise, NGHTTP2_FLAG_END_HEADERS, 1, 2, nva, nvlen); user_data.begin_headers_cb_called = 0; user_data.invalid_frame_recv_cb_called = 0; assert_int(0, ==, nghttp2_session_on_push_promise_received(session, &frame)); assert_int(1, ==, user_data.begin_headers_cb_called); assert_int(0, ==, user_data.invalid_frame_recv_cb_called); nghttp2_frame_push_promise_free(&frame.push_promise, mem); nghttp2_session_del(session); /* If local_settings.enable_push = 0 is pending, but not acked from peer, incoming PUSH_PROMISE is rejected */ nghttp2_session_client_new(&session, &callbacks, &user_data); open_sent_stream(session, 1); /* Submit settings with ENABLE_PUSH = 0 (thus disabling push) */ nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, &iv, 1); nghttp2_frame_push_promise_init(&frame.push_promise, NGHTTP2_FLAG_END_HEADERS, 1, 2, NULL, 0); assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_push_promise_received(session, &frame)); assert_size(0, ==, session->num_incoming_reserved_streams); nghttp2_frame_push_promise_free(&frame.push_promise, mem); nghttp2_session_del(session); /* Check max_incoming_reserved_streams */ nghttp2_session_client_new(&session, &callbacks, &user_data); session->max_incoming_reserved_streams = 1; open_sent_stream(session, 1); open_recv_stream2(session, 2, NGHTTP2_STREAM_RESERVED); assert_size(1, ==, session->num_incoming_reserved_streams); nghttp2_frame_push_promise_init(&frame.push_promise, NGHTTP2_FLAG_END_HEADERS, 1, 4, NULL, 0); assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_push_promise_received(session, &frame)); assert_size(1, ==, session->num_incoming_reserved_streams); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_uint32(NGHTTP2_CANCEL, ==, item->frame.rst_stream.error_code); nghttp2_frame_push_promise_free(&frame.push_promise, mem); nghttp2_session_del(session); } void test_nghttp2_session_on_ping_received(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data user_data; nghttp2_frame frame; nghttp2_outbound_item *top; const uint8_t opaque_data[] = "01234567"; nghttp2_option *option; user_data.frame_recv_cb_called = 0; user_data.invalid_frame_recv_cb_called = 0; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_frame_recv_callback = on_frame_recv_callback; callbacks.on_invalid_frame_recv_callback = on_invalid_frame_recv_callback; nghttp2_session_client_new(&session, &callbacks, &user_data); nghttp2_frame_ping_init(&frame.ping, NGHTTP2_FLAG_ACK, opaque_data); assert_int(0, ==, nghttp2_session_on_ping_received(session, &frame)); assert_int(1, ==, user_data.frame_recv_cb_called); /* Since this ping frame has ACK flag set, no further action is performed. */ assert_null(nghttp2_outbound_queue_top(&session->ob_urgent)); /* Clear the flag, and receive it again */ frame.hd.flags = NGHTTP2_FLAG_NONE; assert_int(0, ==, nghttp2_session_on_ping_received(session, &frame)); assert_int(2, ==, user_data.frame_recv_cb_called); top = nghttp2_outbound_queue_top(&session->ob_urgent); assert_uint8(NGHTTP2_PING, ==, top->frame.hd.type); assert_uint8(NGHTTP2_FLAG_ACK, ==, top->frame.hd.flags); assert_memory_equal(8, opaque_data, top->frame.ping.opaque_data); nghttp2_frame_ping_free(&frame.ping); nghttp2_session_del(session); /* Use nghttp2_option_set_no_auto_ping_ack() */ nghttp2_option_new(&option); nghttp2_option_set_no_auto_ping_ack(option, 1); nghttp2_session_server_new2(&session, &callbacks, &user_data, option); nghttp2_frame_ping_init(&frame.ping, NGHTTP2_FLAG_NONE, NULL); user_data.frame_recv_cb_called = 0; assert_int(0, ==, nghttp2_session_on_ping_received(session, &frame)); assert_int(1, ==, user_data.frame_recv_cb_called); assert_null(nghttp2_outbound_queue_top(&session->ob_urgent)); nghttp2_frame_ping_free(&frame.ping); nghttp2_session_del(session); nghttp2_option_del(option); } void test_nghttp2_session_on_goaway_received(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data user_data; nghttp2_frame frame; int i; nghttp2_mem *mem; const uint8_t *data; nghttp2_ssize datalen; mem = nghttp2_mem_default(); user_data.frame_recv_cb_called = 0; user_data.invalid_frame_recv_cb_called = 0; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_frame_recv_callback = on_frame_recv_callback; callbacks.on_invalid_frame_recv_callback = on_invalid_frame_recv_callback; callbacks.on_stream_close_callback = on_stream_close_callback; nghttp2_session_client_new(&session, &callbacks, &user_data); for (i = 1; i <= 7; ++i) { if (nghttp2_session_is_my_stream_id(session, i)) { open_sent_stream(session, i); } else { open_recv_stream(session, i); } } nghttp2_frame_goaway_init(&frame.goaway, 3, NGHTTP2_PROTOCOL_ERROR, NULL, 0); user_data.stream_close_cb_called = 0; assert_int(0, ==, nghttp2_session_on_goaway_received(session, &frame)); assert_int(1, ==, user_data.frame_recv_cb_called); assert_int32(3, ==, session->remote_last_stream_id); /* on_stream_close should be callsed for 2 times (stream 5 and 7) */ assert_int(2, ==, user_data.stream_close_cb_called); assert_not_null(nghttp2_session_get_stream(session, 1)); assert_not_null(nghttp2_session_get_stream(session, 2)); assert_not_null(nghttp2_session_get_stream(session, 3)); assert_not_null(nghttp2_session_get_stream(session, 4)); assert_null(nghttp2_session_get_stream(session, 5)); assert_not_null(nghttp2_session_get_stream(session, 6)); assert_null(nghttp2_session_get_stream(session, 7)); nghttp2_frame_goaway_free(&frame.goaway, mem); nghttp2_session_del(session); /* Make sure that no memory leak when stream_close callback fails with a fatal error */ memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_stream_close_callback = fatal_error_on_stream_close_callback; memset(&user_data, 0, sizeof(user_data)); nghttp2_session_client_new(&session, &callbacks, &user_data); nghttp2_frame_goaway_init(&frame.goaway, 0, NGHTTP2_NO_ERROR, NULL, 0); assert_int(0, ==, nghttp2_session_on_goaway_received(session, &frame)); nghttp2_submit_request2(session, NULL, reqnv, ARRLEN(reqnv), NULL, NULL); datalen = nghttp2_session_mem_send2(session, &data); assert_ptrdiff(NGHTTP2_ERR_CALLBACK_FAILURE, ==, datalen); assert_int(1, ==, user_data.stream_close_cb_called); nghttp2_frame_goaway_free(&frame.goaway, mem); nghttp2_session_del(session); } void test_nghttp2_session_on_window_update_received(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data user_data; nghttp2_frame frame; nghttp2_stream *stream; nghttp2_outbound_item *data_item; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_frame_recv_callback = on_frame_recv_callback; callbacks.on_invalid_frame_recv_callback = on_invalid_frame_recv_callback; user_data.frame_recv_cb_called = 0; user_data.invalid_frame_recv_cb_called = 0; nghttp2_session_client_new(&session, &callbacks, &user_data); stream = open_sent_stream(session, 1); data_item = create_data_ob_item(mem); assert_int(0, ==, nghttp2_stream_attach_item(stream, data_item)); nghttp2_frame_window_update_init(&frame.window_update, NGHTTP2_FLAG_NONE, 1, 16 * 1024); assert_int(0, ==, nghttp2_session_on_window_update_received(session, &frame)); assert_int(1, ==, user_data.frame_recv_cb_called); assert_int32(NGHTTP2_INITIAL_WINDOW_SIZE + 16 * 1024, ==, stream->remote_window_size); nghttp2_stream_defer_item(stream, NGHTTP2_STREAM_FLAG_DEFERRED_FLOW_CONTROL); assert_int(0, ==, nghttp2_session_on_window_update_received(session, &frame)); assert_int(2, ==, user_data.frame_recv_cb_called); assert_int32(NGHTTP2_INITIAL_WINDOW_SIZE + 16 * 1024 * 2, ==, stream->remote_window_size); assert_false(stream->flags & NGHTTP2_STREAM_FLAG_DEFERRED_ALL); nghttp2_frame_window_update_free(&frame.window_update); /* Receiving WINDOW_UPDATE on reserved (remote) stream is a connection error */ open_recv_stream2(session, 2, NGHTTP2_STREAM_RESERVED); nghttp2_frame_window_update_init(&frame.window_update, NGHTTP2_FLAG_NONE, 2, 4096); assert_false(session->goaway_flags & NGHTTP2_GOAWAY_TERM_ON_SEND); assert_int(0, ==, nghttp2_session_on_window_update_received(session, &frame)); assert_true(session->goaway_flags & NGHTTP2_GOAWAY_TERM_ON_SEND); nghttp2_frame_window_update_free(&frame.window_update); nghttp2_session_del(session); /* Receiving WINDOW_UPDATE on reserved (local) stream is allowed */ nghttp2_session_server_new(&session, &callbacks, &user_data); stream = open_sent_stream2(session, 2, NGHTTP2_STREAM_RESERVED); nghttp2_frame_window_update_init(&frame.window_update, NGHTTP2_FLAG_NONE, 2, 4096); assert_int(0, ==, nghttp2_session_on_window_update_received(session, &frame)); assert_false(session->goaway_flags & NGHTTP2_GOAWAY_TERM_ON_SEND); assert_int32(NGHTTP2_INITIAL_WINDOW_SIZE + 4096, ==, stream->remote_window_size); nghttp2_frame_window_update_free(&frame.window_update); nghttp2_session_del(session); } void test_nghttp2_session_on_data_received(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data user_data; nghttp2_outbound_item *top; nghttp2_stream *stream; nghttp2_frame frame; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); nghttp2_session_client_new(&session, &callbacks, &user_data); stream = open_recv_stream(session, 2); nghttp2_frame_hd_init(&frame.hd, 4096, NGHTTP2_DATA, NGHTTP2_FLAG_NONE, 2); assert_int(0, ==, nghttp2_session_on_data_received(session, &frame)); assert_uint8(0, ==, stream->shut_flags); frame.hd.flags = NGHTTP2_FLAG_END_STREAM; assert_int(0, ==, nghttp2_session_on_data_received(session, &frame)); assert_uint8(NGHTTP2_SHUT_RD, ==, stream->shut_flags); /* If NGHTTP2_STREAM_CLOSING state, DATA frame is discarded. */ open_sent_stream2(session, 1, NGHTTP2_STREAM_CLOSING); frame.hd.flags = NGHTTP2_FLAG_NONE; frame.hd.stream_id = 1; assert_int(0, ==, nghttp2_session_on_data_received(session, &frame)); assert_null(nghttp2_outbound_queue_top(&session->ob_reg)); /* Check INVALID_STREAM case: DATA frame with stream ID which does not exist. */ frame.hd.stream_id = 3; assert_int(0, ==, nghttp2_session_on_data_received(session, &frame)); top = nghttp2_outbound_queue_top(&session->ob_reg); /* DATA against nonexistent stream is just ignored for now. */ assert_null(top); nghttp2_session_del(session); } void test_nghttp2_session_on_data_received_fail_fast(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; uint8_t buf[9]; nghttp2_stream *stream; nghttp2_frame_hd hd; nghttp2_outbound_item *item; memset(&callbacks, 0, sizeof(callbacks)); nghttp2_frame_hd_init(&hd, 0, NGHTTP2_DATA, NGHTTP2_FLAG_NONE, 1); nghttp2_frame_pack_frame_hd(buf, &hd); nghttp2_session_server_new(&session, &callbacks, NULL); /* DATA to closed (remote) */ stream = open_recv_stream(session, 1); nghttp2_stream_shutdown(stream, NGHTTP2_SHUT_RD); assert_ptrdiff((nghttp2_ssize)sizeof(buf), ==, nghttp2_session_mem_recv2(session, buf, sizeof(buf))); item = nghttp2_session_get_next_ob_item(session); assert_not_null(item); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); nghttp2_session_del(session); nghttp2_session_server_new(&session, &callbacks, NULL); /* DATA to closed stream with explicit closed (remote) */ stream = open_recv_stream(session, 1); nghttp2_stream_shutdown(stream, NGHTTP2_SHUT_RD); nghttp2_session_close_stream(session, 1, NGHTTP2_NO_ERROR); assert_ptrdiff((nghttp2_ssize)sizeof(buf), ==, nghttp2_session_mem_recv2(session, buf, sizeof(buf))); item = nghttp2_session_get_next_ob_item(session); assert_not_null(item); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); nghttp2_session_del(session); } void test_nghttp2_session_on_altsvc_received(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; nghttp2_frame frame; nghttp2_option *option; uint8_t origin[] = "nghttp2.org"; uint8_t field_value[] = "h2=\":443\""; int rv; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_frame_recv_callback = on_frame_recv_callback; nghttp2_option_new(&option); nghttp2_option_set_builtin_recv_extension_type(option, NGHTTP2_ALTSVC); nghttp2_session_client_new2(&session, &callbacks, &ud, option); frame.ext.payload = &session->iframe.ext_frame_payload; /* We just pass the strings without making a copy. This is OK, since we never call nghttp2_frame_altsvc_free(). */ nghttp2_frame_altsvc_init(&frame.ext, 0, origin, sizeof(origin) - 1, field_value, sizeof(field_value) - 1); ud.frame_recv_cb_called = 0; rv = nghttp2_session_on_altsvc_received(session, &frame); assert_int(0, ==, rv); assert_int(1, ==, ud.frame_recv_cb_called); nghttp2_session_del(session); /* Receiving empty origin with stream ID == 0 */ nghttp2_session_client_new2(&session, &callbacks, &ud, option); frame.ext.payload = &session->iframe.ext_frame_payload; nghttp2_frame_altsvc_init(&frame.ext, 0, origin, 0, field_value, sizeof(field_value) - 1); ud.frame_recv_cb_called = 0; rv = nghttp2_session_on_altsvc_received(session, &frame); assert_int(0, ==, rv); assert_int(0, ==, ud.frame_recv_cb_called); nghttp2_session_del(session); /* Receiving non-empty origin with stream ID != 0 */ nghttp2_session_client_new2(&session, &callbacks, &ud, option); frame.ext.payload = &session->iframe.ext_frame_payload; open_sent_stream(session, 1); nghttp2_frame_altsvc_init(&frame.ext, 1, origin, sizeof(origin) - 1, field_value, sizeof(field_value) - 1); ud.frame_recv_cb_called = 0; rv = nghttp2_session_on_altsvc_received(session, &frame); assert_int(0, ==, rv); assert_int(0, ==, ud.frame_recv_cb_called); nghttp2_session_del(session); /* Receiving empty origin with stream ID != 0; this is OK */ nghttp2_session_client_new2(&session, &callbacks, &ud, option); frame.ext.payload = &session->iframe.ext_frame_payload; open_sent_stream(session, 1); nghttp2_frame_altsvc_init(&frame.ext, 1, origin, 0, field_value, sizeof(field_value) - 1); ud.frame_recv_cb_called = 0; rv = nghttp2_session_on_altsvc_received(session, &frame); assert_int(0, ==, rv); assert_int(1, ==, ud.frame_recv_cb_called); nghttp2_session_del(session); /* Stream does not exist; ALTSVC will be ignored. */ nghttp2_session_client_new2(&session, &callbacks, &ud, option); frame.ext.payload = &session->iframe.ext_frame_payload; nghttp2_frame_altsvc_init(&frame.ext, 1, origin, 0, field_value, sizeof(field_value) - 1); ud.frame_recv_cb_called = 0; rv = nghttp2_session_on_altsvc_received(session, &frame); assert_int(0, ==, rv); assert_int(0, ==, ud.frame_recv_cb_called); nghttp2_session_del(session); nghttp2_option_del(option); } void test_nghttp2_session_send_headers_start_stream(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_outbound_item *item; nghttp2_frame *frame; nghttp2_stream *stream; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_client_new(&session, &callbacks, NULL); item = mem->malloc(sizeof(nghttp2_outbound_item), NULL); nghttp2_outbound_item_init(item); frame = &item->frame; nghttp2_frame_headers_init(&frame->headers, NGHTTP2_FLAG_END_HEADERS, (int32_t)session->next_stream_id, NGHTTP2_HCAT_REQUEST, NULL, NULL, 0); session->next_stream_id += 2; nghttp2_session_add_item(session, item); assert_int(0, ==, nghttp2_session_send(session)); stream = nghttp2_session_get_stream(session, 1); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_OPENING, ==, stream->state); nghttp2_session_del(session); } void test_nghttp2_session_send_headers_reply(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_outbound_item *item; nghttp2_frame *frame; nghttp2_stream *stream; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; assert_int(0, ==, nghttp2_session_server_new(&session, &callbacks, NULL)); open_recv_stream2(session, 1, NGHTTP2_STREAM_OPENING); item = mem->malloc(sizeof(nghttp2_outbound_item), NULL); nghttp2_outbound_item_init(item); frame = &item->frame; nghttp2_frame_headers_init(&frame->headers, NGHTTP2_FLAG_END_HEADERS, 1, NGHTTP2_HCAT_HEADERS, NULL, NULL, 0); nghttp2_session_add_item(session, item); assert_int(0, ==, nghttp2_session_send(session)); stream = nghttp2_session_get_stream(session, 1); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_OPENED, ==, stream->state); nghttp2_session_del(session); } void test_nghttp2_session_send_headers_frame_size_error(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_outbound_item *item; nghttp2_frame *frame; nghttp2_nv *nva; size_t nvlen; size_t vallen = NGHTTP2_HD_MAX_NV; nghttp2_nv nv[28]; size_t nnv = ARRLEN(nv); size_t i; my_user_data ud; nghttp2_mem *mem; mem = nghttp2_mem_default(); for (i = 0; i < nnv; ++i) { nv[i].name = (uint8_t *)"header"; nv[i].namelen = strlen((const char *)nv[i].name); nv[i].value = mem->malloc(vallen + 1, NULL); memset(nv[i].value, '0' + (int)i, vallen); nv[i].value[vallen] = '\0'; nv[i].valuelen = vallen; nv[i].flags = NGHTTP2_NV_FLAG_NONE; } memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_frame_not_send_callback = on_frame_not_send_callback; nghttp2_session_client_new(&session, &callbacks, &ud); nvlen = nnv; nghttp2_nv_array_copy(&nva, nv, nvlen, mem); item = mem->malloc(sizeof(nghttp2_outbound_item), NULL); nghttp2_outbound_item_init(item); frame = &item->frame; nghttp2_frame_headers_init(&frame->headers, NGHTTP2_FLAG_END_HEADERS, (int32_t)session->next_stream_id, NGHTTP2_HCAT_REQUEST, NULL, nva, nvlen); session->next_stream_id += 2; nghttp2_session_add_item(session, item); ud.frame_not_send_cb_called = 0; assert_int(0, ==, nghttp2_session_send(session)); assert_int(1, ==, ud.frame_not_send_cb_called); assert_uint8(NGHTTP2_HEADERS, ==, ud.not_sent_frame_type); assert_int(NGHTTP2_ERR_FRAME_SIZE_ERROR, ==, ud.not_sent_error); for (i = 0; i < nnv; ++i) { mem->free(nv[i].value, NULL); } nghttp2_session_del(session); } void test_nghttp2_session_send_headers_push_reply(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_outbound_item *item; nghttp2_frame *frame; nghttp2_stream *stream; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; assert_int(0, ==, nghttp2_session_server_new(&session, &callbacks, NULL)); open_sent_stream2(session, 2, NGHTTP2_STREAM_RESERVED); item = mem->malloc(sizeof(nghttp2_outbound_item), NULL); nghttp2_outbound_item_init(item); frame = &item->frame; nghttp2_frame_headers_init(&frame->headers, NGHTTP2_FLAG_END_HEADERS, 2, NGHTTP2_HCAT_HEADERS, NULL, NULL, 0); nghttp2_session_add_item(session, item); assert_size(0, ==, session->num_outgoing_streams); assert_int(0, ==, nghttp2_session_send(session)); assert_size(1, ==, session->num_outgoing_streams); stream = nghttp2_session_get_stream(session, 2); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_OPENED, ==, stream->state); assert_false(stream->flags & NGHTTP2_STREAM_FLAG_PUSH); nghttp2_session_del(session); } void test_nghttp2_session_send_rst_stream(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data user_data; nghttp2_outbound_item *item; nghttp2_frame *frame; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_client_new(&session, &callbacks, &user_data); open_sent_stream(session, 1); item = mem->malloc(sizeof(nghttp2_outbound_item), NULL); nghttp2_outbound_item_init(item); frame = &item->frame; nghttp2_frame_rst_stream_init(&frame->rst_stream, 1, NGHTTP2_PROTOCOL_ERROR); nghttp2_session_add_item(session, item); assert_int(0, ==, nghttp2_session_send(session)); assert_null(nghttp2_session_get_stream(session, 1)); nghttp2_session_del(session); } void test_nghttp2_session_send_push_promise(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_outbound_item *item; nghttp2_frame *frame; nghttp2_stream *stream; nghttp2_settings_entry iv; my_user_data ud; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_frame_not_send_callback = on_frame_not_send_callback; nghttp2_session_server_new(&session, &callbacks, &ud); open_recv_stream(session, 1); item = mem->malloc(sizeof(nghttp2_outbound_item), NULL); nghttp2_outbound_item_init(item); frame = &item->frame; nghttp2_frame_push_promise_init(&frame->push_promise, NGHTTP2_FLAG_END_HEADERS, 1, (int32_t)session->next_stream_id, NULL, 0); session->next_stream_id += 2; nghttp2_session_add_item(session, item); assert_int(0, ==, nghttp2_session_send(session)); stream = nghttp2_session_get_stream(session, 2); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_RESERVED, ==, stream->state); /* Received ENABLE_PUSH = 0 */ iv.settings_id = NGHTTP2_SETTINGS_ENABLE_PUSH; iv.value = 0; frame = mem->malloc(sizeof(nghttp2_frame), NULL); nghttp2_frame_settings_init(&frame->settings, NGHTTP2_FLAG_NONE, dup_iv(&iv, 1), 1); nghttp2_session_on_settings_received(session, frame, 1); nghttp2_frame_settings_free(&frame->settings, mem); mem->free(frame, NULL); item = mem->malloc(sizeof(nghttp2_outbound_item), NULL); nghttp2_outbound_item_init(item); frame = &item->frame; nghttp2_frame_push_promise_init(&frame->push_promise, NGHTTP2_FLAG_END_HEADERS, 1, -1, NULL, 0); nghttp2_session_add_item(session, item); ud.frame_not_send_cb_called = 0; assert_int(0, ==, nghttp2_session_send(session)); assert_int(1, ==, ud.frame_not_send_cb_called); assert_uint8(NGHTTP2_PUSH_PROMISE, ==, ud.not_sent_frame_type); assert_int(NGHTTP2_ERR_PUSH_DISABLED, ==, ud.not_sent_error); nghttp2_session_del(session); /* PUSH_PROMISE from client is error */ nghttp2_session_client_new(&session, &callbacks, &ud); open_sent_stream(session, 1); item = mem->malloc(sizeof(nghttp2_outbound_item), NULL); nghttp2_outbound_item_init(item); frame = &item->frame; nghttp2_frame_push_promise_init(&frame->push_promise, NGHTTP2_FLAG_END_HEADERS, 1, -1, NULL, 0); nghttp2_session_add_item(session, item); assert_int(0, ==, nghttp2_session_send(session)); assert_null(nghttp2_session_get_stream(session, 3)); nghttp2_session_del(session); } void test_nghttp2_session_is_my_stream_id(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); nghttp2_session_server_new(&session, &callbacks, NULL); assert_false(nghttp2_session_is_my_stream_id(session, 0)); assert_false(nghttp2_session_is_my_stream_id(session, 1)); assert_true(nghttp2_session_is_my_stream_id(session, 2)); nghttp2_session_del(session); nghttp2_session_client_new(&session, &callbacks, NULL); assert_false(nghttp2_session_is_my_stream_id(session, 0)); assert_true(nghttp2_session_is_my_stream_id(session, 1)); assert_false(nghttp2_session_is_my_stream_id(session, 2)); nghttp2_session_del(session); } void test_nghttp2_session_upgrade2(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; uint8_t settings_payload[128]; size_t settings_payloadlen; nghttp2_settings_entry iv[16]; nghttp2_stream *stream; nghttp2_outbound_item *item; nghttp2_ssize rv; nghttp2_bufs bufs; nghttp2_buf *buf; nghttp2_hd_deflater deflater; nghttp2_mem *mem; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; iv[0].settings_id = NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS; iv[0].value = 1; iv[1].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE; iv[1].value = 4095; settings_payloadlen = (size_t)nghttp2_pack_settings_payload2( settings_payload, sizeof(settings_payload), iv, 2); /* Check client side */ nghttp2_session_client_new(&session, &callbacks, NULL); assert_int(0, ==, nghttp2_session_upgrade2(session, settings_payload, settings_payloadlen, 0, &callbacks)); assert_int32(1, ==, session->last_sent_stream_id); stream = nghttp2_session_get_stream(session, 1); assert_not_null(stream); assert_ptr_equal(&callbacks, stream->stream_user_data); assert_uint8(NGHTTP2_SHUT_WR, ==, stream->shut_flags); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_SETTINGS, ==, item->frame.hd.type); assert_size(2, ==, item->frame.settings.niv); assert_int32(NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, ==, item->frame.settings.iv[0].settings_id); assert_uint32(1, ==, item->frame.settings.iv[0].value); assert_int32(NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE, ==, item->frame.settings.iv[1].settings_id); assert_uint32(4095, ==, item->frame.settings.iv[1].value); /* Call nghttp2_session_upgrade2() again is error */ assert_int(NGHTTP2_ERR_PROTO, ==, nghttp2_session_upgrade2(session, settings_payload, settings_payloadlen, 0, &callbacks)); nghttp2_session_del(session); /* Make sure that response from server can be received */ nghttp2_session_client_new(&session, &callbacks, NULL); assert_int(0, ==, nghttp2_session_upgrade2(session, settings_payload, settings_payloadlen, 0, &callbacks)); stream = nghttp2_session_get_stream(session, 1); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_OPENING, ==, stream->state); nghttp2_hd_deflate_init(&deflater, mem); rv = pack_headers(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS, resnv, ARRLEN(resnv), mem); assert_ptrdiff(0, ==, rv); buf = &bufs.head->buf; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_OPENED, ==, stream->state); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_bufs_reset(&bufs); /* Check server side */ nghttp2_session_server_new(&session, &callbacks, NULL); assert_int(0, ==, nghttp2_session_upgrade2(session, settings_payload, settings_payloadlen, 0, &callbacks)); assert_int32(1, ==, session->last_recv_stream_id); stream = nghttp2_session_get_stream(session, 1); assert_not_null(stream); assert_null(stream->stream_user_data); assert_uint8(NGHTTP2_SHUT_RD, ==, stream->shut_flags); assert_null(nghttp2_session_get_next_ob_item(session)); assert_uint32(1, ==, session->remote_settings.max_concurrent_streams); assert_uint32(4095, ==, session->remote_settings.initial_window_size); /* Call nghttp2_session_upgrade2() again is error */ assert_int(NGHTTP2_ERR_PROTO, ==, nghttp2_session_upgrade2(session, settings_payload, settings_payloadlen, 0, &callbacks)); nghttp2_session_del(session); /* Empty SETTINGS is OK */ settings_payloadlen = (size_t)nghttp2_pack_settings_payload2( settings_payload, sizeof(settings_payload), NULL, 0); nghttp2_session_client_new(&session, &callbacks, NULL); assert_int(0, ==, nghttp2_session_upgrade2(session, settings_payload, settings_payloadlen, 0, NULL)); nghttp2_session_del(session); nghttp2_bufs_free(&bufs); } void test_nghttp2_session_reprioritize_stream(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_stream *stream; nghttp2_stream *dep_stream; nghttp2_priority_spec pri_spec; int rv; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = block_count_send_callback; nghttp2_session_server_new(&session, &callbacks, NULL); stream = open_recv_stream(session, 1); nghttp2_priority_spec_init(&pri_spec, 0, 10, 0); rv = nghttp2_session_reprioritize_stream(session, stream, &pri_spec); assert_int(0, ==, rv); assert_int32(10, ==, stream->weight); assert_ptr_equal(&session->root, stream->dep_prev); /* If dependency to idle stream which is not in dependency tree yet */ nghttp2_priority_spec_init(&pri_spec, 3, 99, 0); rv = nghttp2_session_reprioritize_stream(session, stream, &pri_spec); assert_int(0, ==, rv); assert_int32(99, ==, stream->weight); assert_int32(3, ==, stream->dep_prev->stream_id); dep_stream = nghttp2_session_get_stream_raw(session, 3); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, dep_stream->weight); dep_stream = open_recv_stream(session, 3); /* Change weight */ pri_spec.weight = 128; rv = nghttp2_session_reprioritize_stream(session, stream, &pri_spec); assert_int(0, ==, rv); assert_int32(128, ==, stream->weight); assert_ptr_equal(dep_stream, stream->dep_prev); /* Change weight again to test short-path case */ pri_spec.weight = 100; rv = nghttp2_session_reprioritize_stream(session, stream, &pri_spec); assert_int(0, ==, rv); assert_int32(100, ==, stream->weight); assert_ptr_equal(dep_stream, stream->dep_prev); assert_int32(100, ==, dep_stream->sum_dep_weight); /* Test circular dependency; stream 1 is first removed and becomes root. Then stream 3 depends on it. */ nghttp2_priority_spec_init(&pri_spec, 1, 1, 0); rv = nghttp2_session_reprioritize_stream(session, dep_stream, &pri_spec); assert_int(0, ==, rv); assert_int32(1, ==, dep_stream->weight); assert_ptr_equal(stream, dep_stream->dep_prev); /* Making priority to closed stream will result in default priority */ session->last_recv_stream_id = 9; nghttp2_priority_spec_init(&pri_spec, 5, 5, 0); rv = nghttp2_session_reprioritize_stream(session, stream, &pri_spec); assert_int(0, ==, rv); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, stream->weight); nghttp2_session_del(session); nghttp2_session_server_new(&session, &callbacks, NULL); /* circular dependency; in case of stream which is not a direct descendant of root. Use exclusive dependency. */ stream = open_recv_stream(session, 1); stream = open_recv_stream_with_dep(session, 3, stream); stream = open_recv_stream_with_dep(session, 5, stream); stream = open_recv_stream_with_dep(session, 7, stream); open_recv_stream_with_dep(session, 9, stream); nghttp2_priority_spec_init(&pri_spec, 7, 1, 1); stream = nghttp2_session_get_stream(session, 3); rv = nghttp2_session_reprioritize_stream(session, stream, &pri_spec); assert_int(0, ==, rv); assert_int32(7, ==, stream->dep_prev->stream_id); stream = nghttp2_session_get_stream(session, 7); assert_int32(1, ==, stream->dep_prev->stream_id); stream = nghttp2_session_get_stream(session, 9); assert_int32(3, ==, stream->dep_prev->stream_id); stream = nghttp2_session_get_stream(session, 5); assert_int32(3, ==, stream->dep_prev->stream_id); nghttp2_session_del(session); nghttp2_session_server_new(&session, &callbacks, NULL); /* circular dependency; in case of stream which is not a direct descendant of root. Without exclusive dependency. */ stream = open_recv_stream(session, 1); stream = open_recv_stream_with_dep(session, 3, stream); stream = open_recv_stream_with_dep(session, 5, stream); stream = open_recv_stream_with_dep(session, 7, stream); open_recv_stream_with_dep(session, 9, stream); nghttp2_priority_spec_init(&pri_spec, 7, 1, 0); stream = nghttp2_session_get_stream(session, 3); rv = nghttp2_session_reprioritize_stream(session, stream, &pri_spec); assert_int(0, ==, rv); assert_int32(7, ==, stream->dep_prev->stream_id); stream = nghttp2_session_get_stream(session, 7); assert_int32(1, ==, stream->dep_prev->stream_id); stream = nghttp2_session_get_stream(session, 9); assert_int32(7, ==, stream->dep_prev->stream_id); stream = nghttp2_session_get_stream(session, 5); assert_int32(3, ==, stream->dep_prev->stream_id); nghttp2_session_del(session); } void test_nghttp2_session_reprioritize_stream_with_idle_stream_dep(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_stream *stream; nghttp2_priority_spec pri_spec; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = block_count_send_callback; nghttp2_session_server_new(&session, &callbacks, NULL); stream = open_recv_stream(session, 1); session->pending_local_max_concurrent_stream = 1; nghttp2_priority_spec_init(&pri_spec, 101, 10, 0); nghttp2_session_reprioritize_stream(session, stream, &pri_spec); /* idle stream is not counteed to max concurrent streams */ assert_int32(10, ==, stream->weight); assert_int32(101, ==, stream->dep_prev->stream_id); stream = nghttp2_session_get_stream_raw(session, 101); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, stream->weight); nghttp2_session_del(session); } void test_nghttp2_submit_data(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_data_provider2 data_prd; my_user_data ud; nghttp2_frame *frame; nghttp2_frame_hd hd; nghttp2_active_outbound_item *aob; nghttp2_bufs *framebufs; nghttp2_buf *buf; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = block_count_send_callback; data_prd.read_callback = fixed_length_data_source_read_callback; ud.data_source_length = NGHTTP2_DATA_PAYLOADLEN * 2; assert_int(0, ==, nghttp2_session_client_new(&session, &callbacks, &ud)); aob = &session->aob; framebufs = &aob->framebufs; open_sent_stream(session, 1); assert_int( 0, ==, nghttp2_submit_data2(session, NGHTTP2_FLAG_END_STREAM, 1, &data_prd)); ud.block_count = 0; assert_int(0, ==, nghttp2_session_send(session)); frame = &aob->item->frame; buf = &framebufs->head->buf; nghttp2_frame_unpack_frame_hd(&hd, buf->pos); assert_uint8(NGHTTP2_FLAG_NONE, ==, hd.flags); assert_uint8(NGHTTP2_FLAG_NONE, ==, frame->hd.flags); /* aux_data.data.flags has these flags */ assert_uint8(NGHTTP2_FLAG_END_STREAM, ==, aob->item->aux_data.data.flags); nghttp2_session_del(session); } void test_nghttp2_submit_data_read_length_too_large(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_data_provider2 data_prd; my_user_data ud; nghttp2_frame *frame; nghttp2_frame_hd hd; nghttp2_active_outbound_item *aob; nghttp2_bufs *framebufs; nghttp2_buf *buf; size_t payloadlen; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = block_count_send_callback; callbacks.read_length_callback2 = too_large_data_source_length_callback; data_prd.read_callback = fixed_length_data_source_read_callback; ud.data_source_length = NGHTTP2_DATA_PAYLOADLEN * 2; assert_int(0, ==, nghttp2_session_client_new(&session, &callbacks, &ud)); aob = &session->aob; framebufs = &aob->framebufs; open_sent_stream(session, 1); assert_int( 0, ==, nghttp2_submit_data2(session, NGHTTP2_FLAG_END_STREAM, 1, &data_prd)); ud.block_count = 0; assert_int(0, ==, nghttp2_session_send(session)); frame = &aob->item->frame; buf = &framebufs->head->buf; nghttp2_frame_unpack_frame_hd(&hd, buf->pos); assert_uint8(NGHTTP2_FLAG_NONE, ==, hd.flags); assert_uint8(NGHTTP2_FLAG_NONE, ==, frame->hd.flags); assert_size(16384, ==, hd.length); /* aux_data.data.flags has these flags */ assert_uint8(NGHTTP2_FLAG_END_STREAM, ==, aob->item->aux_data.data.flags); nghttp2_session_del(session); /* Check that buffers are expanded */ assert_int(0, ==, nghttp2_session_client_new(&session, &callbacks, &ud)); ud.data_source_length = NGHTTP2_MAX_FRAME_SIZE_MAX; session->remote_settings.max_frame_size = NGHTTP2_MAX_FRAME_SIZE_MAX; open_sent_stream(session, 1); assert_int( 0, ==, nghttp2_submit_data2(session, NGHTTP2_FLAG_END_STREAM, 1, &data_prd)); ud.block_count = 0; assert_int(0, ==, nghttp2_session_send(session)); aob = &session->aob; frame = &aob->item->frame; framebufs = &aob->framebufs; buf = &framebufs->head->buf; nghttp2_frame_unpack_frame_hd(&hd, buf->pos); payloadlen = nghttp2_min(NGHTTP2_INITIAL_CONNECTION_WINDOW_SIZE, NGHTTP2_INITIAL_WINDOW_SIZE); assert_size(NGHTTP2_FRAME_HDLEN + 1 + payloadlen, ==, (size_t)nghttp2_buf_cap(buf)); assert_uint8(NGHTTP2_FLAG_NONE, ==, hd.flags); assert_uint8(NGHTTP2_FLAG_NONE, ==, frame->hd.flags); assert_size(payloadlen, ==, hd.length); /* aux_data.data.flags has these flags */ assert_uint8(NGHTTP2_FLAG_END_STREAM, ==, aob->item->aux_data.data.flags); nghttp2_session_del(session); } void test_nghttp2_submit_data_read_length_smallest(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_data_provider2 data_prd; my_user_data ud; nghttp2_frame *frame; nghttp2_frame_hd hd; nghttp2_active_outbound_item *aob; nghttp2_bufs *framebufs; nghttp2_buf *buf; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = block_count_send_callback; callbacks.read_length_callback2 = smallest_length_data_source_length_callback; data_prd.read_callback = fixed_length_data_source_read_callback; ud.data_source_length = NGHTTP2_DATA_PAYLOADLEN * 2; assert_int(0, ==, nghttp2_session_client_new(&session, &callbacks, &ud)); aob = &session->aob; framebufs = &aob->framebufs; open_sent_stream(session, 1); assert_int( 0, ==, nghttp2_submit_data2(session, NGHTTP2_FLAG_END_STREAM, 1, &data_prd)); ud.block_count = 0; assert_int(0, ==, nghttp2_session_send(session)); frame = &aob->item->frame; buf = &framebufs->head->buf; nghttp2_frame_unpack_frame_hd(&hd, buf->pos); assert_uint8(NGHTTP2_FLAG_NONE, ==, hd.flags); assert_uint8(NGHTTP2_FLAG_NONE, ==, frame->hd.flags); assert_size(1, ==, hd.length); /* aux_data.data.flags has these flags */ assert_uint8(NGHTTP2_FLAG_END_STREAM, ==, aob->item->aux_data.data.flags); nghttp2_session_del(session); } static nghttp2_ssize submit_data_twice_data_source_read_callback( nghttp2_session *session, int32_t stream_id, uint8_t *buf, size_t len, uint32_t *data_flags, nghttp2_data_source *source, void *user_data) { (void)session; (void)stream_id; (void)buf; (void)source; (void)user_data; *data_flags |= NGHTTP2_DATA_FLAG_EOF; return (nghttp2_ssize)nghttp2_min(len, 16); } static int submit_data_twice_on_frame_send_callback(nghttp2_session *session, const nghttp2_frame *frame, void *user_data) { static int called = 0; int rv; nghttp2_data_provider2 data_prd; (void)user_data; if (called == 0) { called = 1; data_prd.read_callback = submit_data_twice_data_source_read_callback; rv = nghttp2_submit_data2(session, NGHTTP2_FLAG_END_STREAM, frame->hd.stream_id, &data_prd); assert_int(0, ==, rv); } return 0; } void test_nghttp2_submit_data_twice(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_data_provider2 data_prd; my_user_data ud; accumulator acc; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = accumulator_send_callback; callbacks.on_frame_send_callback = submit_data_twice_on_frame_send_callback; data_prd.read_callback = submit_data_twice_data_source_read_callback; acc.length = 0; ud.acc = &acc; assert_int(0, ==, nghttp2_session_client_new(&session, &callbacks, &ud)); open_sent_stream(session, 1); assert_int(0, ==, nghttp2_submit_data2(session, NGHTTP2_FLAG_NONE, 1, &data_prd)); assert_int(0, ==, nghttp2_session_send(session)); /* We should have sent 2 DATA frame with 16 bytes payload each */ assert_size(NGHTTP2_FRAME_HDLEN * 2 + 16 * 2, ==, acc.length); nghttp2_session_del(session); } void test_nghttp2_submit_request_with_data(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_data_provider2 data_prd; my_user_data ud; nghttp2_outbound_item *item; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; data_prd.read_callback = fixed_length_data_source_read_callback; ud.data_source_length = 64 * 1024 - 1; assert_int(0, ==, nghttp2_session_client_new(&session, &callbacks, &ud)); assert_int32(1, ==, nghttp2_submit_request2(session, NULL, reqnv, ARRLEN(reqnv), &data_prd, NULL)); item = nghttp2_session_get_next_ob_item(session); assert_size(ARRLEN(reqnv), ==, item->frame.headers.nvlen); assert_nv_equal(reqnv, item->frame.headers.nva, item->frame.headers.nvlen, mem); assert_int(0, ==, nghttp2_session_send(session)); assert_size(0, ==, ud.data_source_length); nghttp2_session_del(session); /* nghttp2_submit_request2() with server session is error */ nghttp2_session_server_new(&session, &callbacks, NULL); assert_int32( NGHTTP2_ERR_PROTO, ==, nghttp2_submit_request2(session, NULL, reqnv, ARRLEN(reqnv), NULL, NULL)); nghttp2_session_del(session); } void test_nghttp2_submit_request_without_data(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; accumulator acc; nghttp2_data_provider2 data_prd = {{-1}, NULL}; nghttp2_outbound_item *item; my_user_data ud; nghttp2_frame frame; nghttp2_hd_inflater inflater; nva_out out; nghttp2_bufs bufs; nghttp2_mem *mem; nghttp2_priority_spec pri_spec; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); nva_out_init(&out); acc.length = 0; ud.acc = &acc; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = accumulator_send_callback; assert_int(0, ==, nghttp2_session_client_new(&session, &callbacks, &ud)); nghttp2_hd_inflate_init(&inflater, mem); assert_int32(1, ==, nghttp2_submit_request2(session, NULL, reqnv, ARRLEN(reqnv), &data_prd, NULL)); item = nghttp2_session_get_next_ob_item(session); assert_size(ARRLEN(reqnv), ==, item->frame.headers.nvlen); assert_nv_equal(reqnv, item->frame.headers.nva, item->frame.headers.nvlen, mem); assert_true(item->frame.hd.flags & NGHTTP2_FLAG_END_STREAM); assert_int(0, ==, nghttp2_session_send(session)); assert_int(0, ==, unpack_frame(&frame, acc.buf, acc.length)); nghttp2_bufs_add(&bufs, acc.buf, acc.length); inflate_hd(&inflater, &out, &bufs, NGHTTP2_FRAME_HDLEN, mem); assert_size(ARRLEN(reqnv), ==, out.nvlen); assert_nv_equal(reqnv, out.nva, out.nvlen, mem); nghttp2_frame_headers_free(&frame.headers, mem); nva_out_reset(&out, mem); nghttp2_bufs_free(&bufs); nghttp2_hd_inflate_free(&inflater); /* Try to depend on itself is error */ nghttp2_priority_spec_init(&pri_spec, (int32_t)session->next_stream_id, 16, 0); assert_int32(NGHTTP2_ERR_INVALID_ARGUMENT, ==, nghttp2_submit_request2(session, &pri_spec, reqnv, ARRLEN(reqnv), NULL, NULL)); nghttp2_session_del(session); } void test_nghttp2_submit_response_with_data(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_data_provider2 data_prd; my_user_data ud; nghttp2_outbound_item *item; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; data_prd.read_callback = fixed_length_data_source_read_callback; ud.data_source_length = 64 * 1024 - 1; assert_int(0, ==, nghttp2_session_server_new(&session, &callbacks, &ud)); open_recv_stream2(session, 1, NGHTTP2_STREAM_OPENING); assert_int( 0, ==, nghttp2_submit_response2(session, 1, resnv, ARRLEN(resnv), &data_prd)); item = nghttp2_session_get_next_ob_item(session); assert_size(ARRLEN(resnv), ==, item->frame.headers.nvlen); assert_nv_equal(resnv, item->frame.headers.nva, item->frame.headers.nvlen, mem); assert_int(0, ==, nghttp2_session_send(session)); assert_size(0, ==, ud.data_source_length); nghttp2_session_del(session); /* Various error cases */ nghttp2_session_client_new(&session, &callbacks, NULL); /* Calling nghttp2_submit_response2() with client session is error */ assert_int(NGHTTP2_ERR_PROTO, ==, nghttp2_submit_response2(session, 1, resnv, ARRLEN(resnv), NULL)); /* Stream ID <= 0 is error */ assert_int(NGHTTP2_ERR_INVALID_ARGUMENT, ==, nghttp2_submit_response2(session, 0, resnv, ARRLEN(resnv), NULL)); nghttp2_session_del(session); } void test_nghttp2_submit_response_without_data(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; accumulator acc; nghttp2_data_provider2 data_prd = {{-1}, NULL}; nghttp2_outbound_item *item; my_user_data ud; nghttp2_frame frame; nghttp2_hd_inflater inflater; nva_out out; nghttp2_bufs bufs; nghttp2_mem *mem; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); nva_out_init(&out); acc.length = 0; ud.acc = &acc; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = accumulator_send_callback; assert_int(0, ==, nghttp2_session_server_new(&session, &callbacks, &ud)); nghttp2_hd_inflate_init(&inflater, mem); open_recv_stream2(session, 1, NGHTTP2_STREAM_OPENING); assert_int( 0, ==, nghttp2_submit_response2(session, 1, resnv, ARRLEN(resnv), &data_prd)); item = nghttp2_session_get_next_ob_item(session); assert_size(ARRLEN(resnv), ==, item->frame.headers.nvlen); assert_nv_equal(resnv, item->frame.headers.nva, item->frame.headers.nvlen, mem); assert_true(item->frame.hd.flags & NGHTTP2_FLAG_END_STREAM); assert_int(0, ==, nghttp2_session_send(session)); assert_int(0, ==, unpack_frame(&frame, acc.buf, acc.length)); nghttp2_bufs_add(&bufs, acc.buf, acc.length); inflate_hd(&inflater, &out, &bufs, NGHTTP2_FRAME_HDLEN, mem); assert_size(ARRLEN(resnv), ==, out.nvlen); assert_nv_equal(resnv, out.nva, out.nvlen, mem); nva_out_reset(&out, mem); nghttp2_bufs_free(&bufs); nghttp2_frame_headers_free(&frame.headers, mem); nghttp2_hd_inflate_free(&inflater); nghttp2_session_del(session); } void test_nghttp2_submit_response_push_response(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_frame_not_send_callback = on_frame_not_send_callback; nghttp2_session_server_new(&session, &callbacks, &ud); open_sent_stream2(session, 2, NGHTTP2_STREAM_RESERVED); session->goaway_flags |= NGHTTP2_GOAWAY_RECV; assert_int(0, ==, nghttp2_submit_response2(session, 2, resnv, ARRLEN(resnv), NULL)); ud.frame_not_send_cb_called = 0; assert_int(0, ==, nghttp2_session_send(session)); assert_int(1, ==, ud.frame_not_send_cb_called); nghttp2_session_del(session); } void test_nghttp2_submit_trailer(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; accumulator acc; nghttp2_data_provider2 data_prd; nghttp2_outbound_item *item; my_user_data ud; nghttp2_frame frame; nghttp2_hd_inflater inflater; nva_out out; nghttp2_bufs bufs; nghttp2_mem *mem; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); data_prd.read_callback = no_end_stream_data_source_read_callback; nva_out_init(&out); acc.length = 0; ud.acc = &acc; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; assert_int(0, ==, nghttp2_session_server_new(&session, &callbacks, &ud)); nghttp2_hd_inflate_init(&inflater, mem); open_recv_stream2(session, 1, NGHTTP2_STREAM_OPENING); assert_int( 0, ==, nghttp2_submit_response2(session, 1, resnv, ARRLEN(resnv), &data_prd)); assert_int(0, ==, nghttp2_session_send(session)); assert_int(0, ==, nghttp2_submit_trailer(session, 1, trailernv, ARRLEN(trailernv))); session->callbacks.send_callback2 = accumulator_send_callback; item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_HEADERS, ==, item->frame.hd.type); assert_enum(nghttp2_headers_category, NGHTTP2_HCAT_HEADERS, ==, item->frame.headers.cat); assert_true(item->frame.hd.flags & NGHTTP2_FLAG_END_STREAM); assert_int(0, ==, nghttp2_session_send(session)); assert_int(0, ==, unpack_frame(&frame, acc.buf, acc.length)); nghttp2_bufs_add(&bufs, acc.buf, acc.length); inflate_hd(&inflater, &out, &bufs, NGHTTP2_FRAME_HDLEN, mem); assert_size(ARRLEN(trailernv), ==, out.nvlen); assert_nv_equal(trailernv, out.nva, out.nvlen, mem); nva_out_reset(&out, mem); nghttp2_bufs_free(&bufs); nghttp2_frame_headers_free(&frame.headers, mem); nghttp2_hd_inflate_free(&inflater); nghttp2_session_del(session); /* Specifying stream ID <= 0 is error */ nghttp2_session_server_new(&session, &callbacks, NULL); open_recv_stream(session, 1); assert_int(NGHTTP2_ERR_INVALID_ARGUMENT, ==, nghttp2_submit_trailer(session, 0, trailernv, ARRLEN(trailernv))); assert_int(NGHTTP2_ERR_INVALID_ARGUMENT, ==, nghttp2_submit_trailer(session, -1, trailernv, ARRLEN(trailernv))); nghttp2_session_del(session); } void test_nghttp2_submit_headers_start_stream(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_outbound_item *item; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); assert_int(0, ==, nghttp2_session_client_new(&session, &callbacks, NULL)); assert_int32(1, ==, nghttp2_submit_headers(session, NGHTTP2_FLAG_END_STREAM, -1, NULL, reqnv, ARRLEN(reqnv), NULL)); item = nghttp2_session_get_next_ob_item(session); assert_size(ARRLEN(reqnv), ==, item->frame.headers.nvlen); assert_nv_equal(reqnv, item->frame.headers.nva, item->frame.headers.nvlen, mem); assert_uint8((NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_END_STREAM), ==, item->frame.hd.flags); assert_false(item->frame.hd.flags & NGHTTP2_FLAG_PRIORITY); nghttp2_session_del(session); } void test_nghttp2_submit_headers_reply(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; nghttp2_outbound_item *item; nghttp2_stream *stream; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_frame_send_callback = on_frame_send_callback; assert_int(0, ==, nghttp2_session_server_new(&session, &callbacks, &ud)); assert_int32(0, ==, nghttp2_submit_headers(session, NGHTTP2_FLAG_END_STREAM, 1, NULL, resnv, ARRLEN(resnv), NULL)); item = nghttp2_session_get_next_ob_item(session); assert_size(ARRLEN(resnv), ==, item->frame.headers.nvlen); assert_nv_equal(resnv, item->frame.headers.nva, item->frame.headers.nvlen, mem); assert_uint8((NGHTTP2_FLAG_END_STREAM | NGHTTP2_FLAG_END_HEADERS), ==, item->frame.hd.flags); ud.frame_send_cb_called = 0; ud.sent_frame_type = 0; /* The transimission will be canceled because the stream 1 is not open. */ assert_int(0, ==, nghttp2_session_send(session)); assert_int(0, ==, ud.frame_send_cb_called); stream = open_recv_stream2(session, 1, NGHTTP2_STREAM_OPENING); assert_int32(0, ==, nghttp2_submit_headers(session, NGHTTP2_FLAG_END_STREAM, 1, NULL, resnv, ARRLEN(resnv), NULL)); assert_int(0, ==, nghttp2_session_send(session)); assert_int(1, ==, ud.frame_send_cb_called); assert_uint8(NGHTTP2_HEADERS, ==, ud.sent_frame_type); assert_true(stream->shut_flags & NGHTTP2_SHUT_WR); nghttp2_session_del(session); } void test_nghttp2_submit_headers_push_reply(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; nghttp2_stream *stream; int foo; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_frame_send_callback = on_frame_send_callback; assert_int(0, ==, nghttp2_session_server_new(&session, &callbacks, &ud)); stream = open_sent_stream2(session, 2, NGHTTP2_STREAM_RESERVED); assert_int32(0, ==, nghttp2_submit_headers(session, NGHTTP2_FLAG_NONE, 2, NULL, resnv, ARRLEN(resnv), &foo)); ud.frame_send_cb_called = 0; ud.sent_frame_type = 0; assert_int(0, ==, nghttp2_session_send(session)); assert_int(1, ==, ud.frame_send_cb_called); assert_uint8(NGHTTP2_HEADERS, ==, ud.sent_frame_type); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_OPENED, ==, stream->state); assert_ptr_equal(&foo, stream->stream_user_data); nghttp2_session_del(session); /* Sending HEADERS from client against stream in reserved state is error */ assert_int(0, ==, nghttp2_session_client_new(&session, &callbacks, &ud)); open_recv_stream2(session, 2, NGHTTP2_STREAM_RESERVED); assert_int32(0, ==, nghttp2_submit_headers(session, NGHTTP2_FLAG_NONE, 2, NULL, reqnv, ARRLEN(reqnv), NULL)); ud.frame_send_cb_called = 0; ud.sent_frame_type = 0; assert_int(0, ==, nghttp2_session_send(session)); assert_int(0, ==, ud.frame_send_cb_called); nghttp2_session_del(session); } void test_nghttp2_submit_headers(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; nghttp2_outbound_item *item; nghttp2_stream *stream; accumulator acc; nghttp2_frame frame; nghttp2_hd_inflater inflater; nva_out out; nghttp2_bufs bufs; nghttp2_mem *mem; nghttp2_priority_spec pri_spec; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); nva_out_init(&out); acc.length = 0; ud.acc = &acc; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = accumulator_send_callback; callbacks.on_frame_send_callback = on_frame_send_callback; assert_int(0, ==, nghttp2_session_client_new(&session, &callbacks, &ud)); nghttp2_hd_inflate_init(&inflater, mem); assert_int32(0, ==, nghttp2_submit_headers(session, NGHTTP2_FLAG_END_STREAM, 1, NULL, reqnv, ARRLEN(reqnv), NULL)); item = nghttp2_session_get_next_ob_item(session); assert_size(ARRLEN(reqnv), ==, item->frame.headers.nvlen); assert_nv_equal(reqnv, item->frame.headers.nva, item->frame.headers.nvlen, mem); assert_uint8((NGHTTP2_FLAG_END_STREAM | NGHTTP2_FLAG_END_HEADERS), ==, item->frame.hd.flags); ud.frame_send_cb_called = 0; ud.sent_frame_type = 0; /* The transimission will be canceled because the stream 1 is not open. */ assert_int(0, ==, nghttp2_session_send(session)); assert_int(0, ==, ud.frame_send_cb_called); stream = open_sent_stream(session, 1); assert_int32(0, ==, nghttp2_submit_headers(session, NGHTTP2_FLAG_END_STREAM, 1, NULL, reqnv, ARRLEN(reqnv), NULL)); assert_int(0, ==, nghttp2_session_send(session)); assert_int(1, ==, ud.frame_send_cb_called); assert_uint8(NGHTTP2_HEADERS, ==, ud.sent_frame_type); assert_true(stream->shut_flags & NGHTTP2_SHUT_WR); assert_int(0, ==, unpack_frame(&frame, acc.buf, acc.length)); nghttp2_bufs_add(&bufs, acc.buf, acc.length); inflate_hd(&inflater, &out, &bufs, NGHTTP2_FRAME_HDLEN, mem); assert_size(ARRLEN(reqnv), ==, out.nvlen); assert_nv_equal(reqnv, out.nva, out.nvlen, mem); nva_out_reset(&out, mem); nghttp2_bufs_free(&bufs); nghttp2_frame_headers_free(&frame.headers, mem); nghttp2_hd_inflate_free(&inflater); /* Try to depend on itself */ nghttp2_priority_spec_init(&pri_spec, 3, 16, 0); assert_int32(NGHTTP2_ERR_INVALID_ARGUMENT, ==, nghttp2_submit_headers(session, NGHTTP2_FLAG_NONE, 3, &pri_spec, reqnv, ARRLEN(reqnv), NULL)); session->next_stream_id = 5; nghttp2_priority_spec_init(&pri_spec, 5, 16, 0); assert_int32(NGHTTP2_ERR_INVALID_ARGUMENT, ==, nghttp2_submit_headers(session, NGHTTP2_FLAG_NONE, -1, &pri_spec, reqnv, ARRLEN(reqnv), NULL)); nghttp2_session_del(session); /* Error cases with invalid stream ID */ nghttp2_session_server_new(&session, &callbacks, NULL); /* Sending nghttp2_submit_headers() with stream_id == 1 and server session is error */ assert_int32(NGHTTP2_ERR_PROTO, ==, nghttp2_submit_headers(session, NGHTTP2_FLAG_NONE, -1, NULL, reqnv, ARRLEN(reqnv), NULL)); /* Sending stream ID <= 0 is error */ assert_int32(NGHTTP2_ERR_INVALID_ARGUMENT, ==, nghttp2_submit_headers(session, NGHTTP2_FLAG_NONE, 0, NULL, resnv, ARRLEN(resnv), NULL)); nghttp2_session_del(session); } void test_nghttp2_submit_headers_continuation(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_nv nv[] = { MAKE_NV("h1", ""), MAKE_NV("h1", ""), MAKE_NV("h1", ""), MAKE_NV("h1", ""), MAKE_NV("h1", ""), MAKE_NV("h1", ""), MAKE_NV("h1", ""), }; nghttp2_outbound_item *item; uint8_t data[4096]; size_t i; my_user_data ud; memset(data, '0', sizeof(data)); for (i = 0; i < ARRLEN(nv); ++i) { nv[i].valuelen = sizeof(data); nv[i].value = data; } memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_frame_send_callback = on_frame_send_callback; assert_int(0, ==, nghttp2_session_client_new(&session, &callbacks, &ud)); assert_int32(1, ==, nghttp2_submit_headers(session, NGHTTP2_FLAG_END_STREAM, -1, NULL, nv, ARRLEN(nv), NULL)); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_HEADERS, ==, item->frame.hd.type); assert_uint8((NGHTTP2_FLAG_END_STREAM | NGHTTP2_FLAG_END_HEADERS), ==, item->frame.hd.flags); assert_false(item->frame.hd.flags & NGHTTP2_FLAG_PRIORITY); ud.frame_send_cb_called = 0; assert_int(0, ==, nghttp2_session_send(session)); assert_int(1, ==, ud.frame_send_cb_called); nghttp2_session_del(session); } void test_nghttp2_submit_headers_continuation_extra_large(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_nv nv[] = { MAKE_NV("h1", ""), MAKE_NV("h1", ""), MAKE_NV("h1", ""), MAKE_NV("h1", ""), MAKE_NV("h1", ""), MAKE_NV("h1", ""), }; nghttp2_outbound_item *item; uint8_t data[16384]; size_t i; my_user_data ud; nghttp2_option *opt; memset(data, '0', sizeof(data)); for (i = 0; i < ARRLEN(nv); ++i) { nv[i].valuelen = sizeof(data); nv[i].value = data; } memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_frame_send_callback = on_frame_send_callback; /* The default size of max send header block length is too small to send these header fields. Expand it. */ nghttp2_option_new(&opt); nghttp2_option_set_max_send_header_block_length(opt, 102400); assert_int(0, ==, nghttp2_session_client_new2(&session, &callbacks, &ud, opt)); assert_int32(1, ==, nghttp2_submit_headers(session, NGHTTP2_FLAG_END_STREAM, -1, NULL, nv, ARRLEN(nv), NULL)); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_HEADERS, ==, item->frame.hd.type); assert_uint8((NGHTTP2_FLAG_END_STREAM | NGHTTP2_FLAG_END_HEADERS), ==, item->frame.hd.flags); assert_false(item->frame.hd.flags & NGHTTP2_FLAG_PRIORITY); ud.frame_send_cb_called = 0; assert_int(0, ==, nghttp2_session_send(session)); assert_int(1, ==, ud.frame_send_cb_called); nghttp2_session_del(session); nghttp2_option_del(opt); } void test_nghttp2_submit_priority(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_stream *stream; my_user_data ud; nghttp2_priority_spec pri_spec; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_frame_send_callback = on_frame_send_callback; nghttp2_session_client_new(&session, &callbacks, &ud); stream = open_sent_stream(session, 1); nghttp2_priority_spec_init(&pri_spec, 0, 3, 0); /* depends on stream 0 */ assert_int(0, ==, nghttp2_submit_priority(session, NGHTTP2_FLAG_NONE, 1, &pri_spec)); assert_int(0, ==, nghttp2_session_send(session)); assert_int32(3, ==, stream->weight); /* submit against idle stream */ assert_int(0, ==, nghttp2_submit_priority(session, NGHTTP2_FLAG_NONE, 3, &pri_spec)); ud.frame_send_cb_called = 0; assert_int(0, ==, nghttp2_session_send(session)); assert_int(1, ==, ud.frame_send_cb_called); nghttp2_session_del(session); } void test_nghttp2_submit_settings(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; nghttp2_outbound_item *item; nghttp2_frame *frame; nghttp2_settings_entry iv[7]; nghttp2_frame ack_frame; const int32_t UNKNOWN_ID = 1000000007; nghttp2_mem *mem; mem = nghttp2_mem_default(); iv[0].settings_id = NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS; iv[0].value = 5; iv[1].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE; iv[1].value = 16 * 1024; iv[2].settings_id = NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS; iv[2].value = 50; iv[3].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE; iv[3].value = 111; iv[4].settings_id = UNKNOWN_ID; iv[4].value = 999; iv[5].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE; iv[5].value = 1023; iv[6].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE; iv[6].value = (uint32_t)NGHTTP2_MAX_WINDOW_SIZE + 1; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_frame_send_callback = on_frame_send_callback; nghttp2_session_server_new(&session, &callbacks, &ud); assert_int(NGHTTP2_ERR_INVALID_ARGUMENT, ==, nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, iv, 7)); /* Make sure that local settings are not changed */ assert_uint32(NGHTTP2_DEFAULT_MAX_CONCURRENT_STREAMS, ==, session->local_settings.max_concurrent_streams); assert_uint32(NGHTTP2_INITIAL_WINDOW_SIZE, ==, session->local_settings.initial_window_size); /* Now sends without 6th one */ assert_int(0, ==, nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, iv, 6)); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_SETTINGS, ==, item->frame.hd.type); frame = &item->frame; assert_size(6, ==, frame->settings.niv); assert_uint32(5, ==, frame->settings.iv[0].value); assert_int32(NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, ==, frame->settings.iv[0].settings_id); assert_uint32(16 * 1024, ==, frame->settings.iv[1].value); assert_int32(NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE, ==, frame->settings.iv[1].settings_id); assert_int32(UNKNOWN_ID, ==, frame->settings.iv[4].settings_id); assert_uint32(999, ==, frame->settings.iv[4].value); ud.frame_send_cb_called = 0; assert_int(0, ==, nghttp2_session_send(session)); assert_int(1, ==, ud.frame_send_cb_called); assert_uint32(50, ==, session->pending_local_max_concurrent_stream); /* before receiving SETTINGS ACK, local settings have still default values */ assert_uint32(NGHTTP2_DEFAULT_MAX_CONCURRENT_STREAMS, ==, nghttp2_session_get_local_settings( session, NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS)); assert_uint32(NGHTTP2_INITIAL_WINDOW_SIZE, ==, nghttp2_session_get_local_settings( session, NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE)); nghttp2_frame_settings_init(&ack_frame.settings, NGHTTP2_FLAG_ACK, NULL, 0); assert_int(0, ==, nghttp2_session_on_settings_received(session, &ack_frame, 0)); nghttp2_frame_settings_free(&ack_frame.settings, mem); assert_uint32(16 * 1024, ==, session->local_settings.initial_window_size); assert_size(111, ==, session->hd_inflater.ctx.hd_table_bufsize_max); assert_size(111, ==, session->hd_inflater.min_hd_table_bufsize_max); assert_uint32(50, ==, session->local_settings.max_concurrent_streams); assert_uint32(50, ==, nghttp2_session_get_local_settings( session, NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS)); assert_uint32(16 * 1024, ==, nghttp2_session_get_local_settings( session, NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE)); /* We just keep the last seen value */ assert_uint32(50, ==, session->pending_local_max_concurrent_stream); nghttp2_session_del(session); /* Bail out if there are contradicting SETTINGS_NO_RFC7540_PRIORITIES in one SETTINGS. */ nghttp2_session_server_new(&session, &callbacks, &ud); iv[0].settings_id = NGHTTP2_SETTINGS_NO_RFC7540_PRIORITIES; iv[0].value = 1; iv[1].settings_id = NGHTTP2_SETTINGS_NO_RFC7540_PRIORITIES; iv[1].value = 0; assert_int(NGHTTP2_ERR_INVALID_ARGUMENT, ==, nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, iv, 2)); nghttp2_session_del(session); /* Attempt to change SETTINGS_NO_RFC7540_PRIORITIES in the 2nd SETTINGS. */ nghttp2_session_server_new(&session, &callbacks, &ud); iv[0].settings_id = NGHTTP2_SETTINGS_NO_RFC7540_PRIORITIES; iv[0].value = 1; assert_int(0, ==, nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, iv, 1)); iv[0].settings_id = NGHTTP2_SETTINGS_NO_RFC7540_PRIORITIES; iv[0].value = 0; assert_int(NGHTTP2_ERR_INVALID_ARGUMENT, ==, nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, iv, 1)); nghttp2_session_del(session); } void test_nghttp2_submit_settings_update_local_window_size(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_outbound_item *item; nghttp2_settings_entry iv[4]; nghttp2_stream *stream; nghttp2_frame ack_frame; nghttp2_mem *mem; nghttp2_option *option; mem = nghttp2_mem_default(); nghttp2_frame_settings_init(&ack_frame.settings, NGHTTP2_FLAG_ACK, NULL, 0); iv[0].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE; iv[0].value = 16 * 1024; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_server_new(&session, &callbacks, NULL); stream = open_recv_stream(session, 1); stream->local_window_size = NGHTTP2_INITIAL_WINDOW_SIZE + 100; stream->recv_window_size = 32768; open_recv_stream(session, 3); assert_int(0, ==, nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, iv, 1)); assert_int(0, ==, nghttp2_session_send(session)); assert_int(0, ==, nghttp2_session_on_settings_received(session, &ack_frame, 0)); stream = nghttp2_session_get_stream(session, 1); assert_int32(0, ==, stream->recv_window_size); assert_int32(16 * 1024 + 100, ==, stream->local_window_size); stream = nghttp2_session_get_stream(session, 3); assert_int32(16 * 1024, ==, stream->local_window_size); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_WINDOW_UPDATE, ==, item->frame.hd.type); assert_int32(32768, ==, item->frame.window_update.window_size_increment); nghttp2_session_del(session); /* Without auto-window update */ nghttp2_option_new(&option); nghttp2_option_set_no_auto_window_update(option, 1); nghttp2_session_server_new2(&session, &callbacks, NULL, option); nghttp2_option_del(option); stream = open_recv_stream(session, 1); stream->local_window_size = NGHTTP2_INITIAL_WINDOW_SIZE + 100; stream->recv_window_size = 32768; assert_int(0, ==, nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, iv, 1)); assert_int(0, ==, nghttp2_session_send(session)); assert_int(0, ==, nghttp2_session_on_settings_received(session, &ack_frame, 0)); stream = nghttp2_session_get_stream(session, 1); assert_int32(32768, ==, stream->recv_window_size); assert_int32(16 * 1024 + 100, ==, stream->local_window_size); /* Check that we can handle the case where local_window_size < recv_window_size */ assert_int32(0, ==, nghttp2_session_get_stream_local_window_size(session, 1)); nghttp2_session_del(session); /* Check overflow case */ iv[0].value = 128 * 1024; nghttp2_session_server_new(&session, &callbacks, NULL); stream = open_recv_stream(session, 1); stream->local_window_size = NGHTTP2_MAX_WINDOW_SIZE; assert_int(0, ==, nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, iv, 1)); assert_int(0, ==, nghttp2_session_send(session)); assert_int(0, ==, nghttp2_session_on_settings_received(session, &ack_frame, 0)); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_uint32(NGHTTP2_FLOW_CONTROL_ERROR, ==, item->frame.rst_stream.error_code); nghttp2_session_del(session); nghttp2_frame_settings_free(&ack_frame.settings, mem); } void test_nghttp2_submit_settings_multiple_times(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_settings_entry iv[4]; nghttp2_frame frame; nghttp2_inflight_settings *inflight_settings; memset(&callbacks, 0, sizeof(callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_client_new(&session, &callbacks, NULL); /* first SETTINGS */ iv[0].settings_id = NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS; iv[0].value = 100; iv[1].settings_id = NGHTTP2_SETTINGS_ENABLE_PUSH; iv[1].value = 0; assert_int(0, ==, nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, iv, 2)); inflight_settings = session->inflight_settings_head; assert_not_null(inflight_settings); assert_int32(NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, ==, inflight_settings->iv[0].settings_id); assert_uint32(100, ==, inflight_settings->iv[0].value); assert_size(2, ==, inflight_settings->niv); assert_null(inflight_settings->next); assert_uint32(100, ==, session->pending_local_max_concurrent_stream); assert_uint8(0, ==, session->pending_enable_push); /* second SETTINGS */ iv[0].settings_id = NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS; iv[0].value = 99; assert_int(0, ==, nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, iv, 1)); inflight_settings = session->inflight_settings_head->next; assert_not_null(inflight_settings); assert_int32(NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, ==, inflight_settings->iv[0].settings_id); assert_uint32(99, ==, inflight_settings->iv[0].value); assert_size(1, ==, inflight_settings->niv); assert_null(inflight_settings->next); assert_uint32(99, ==, session->pending_local_max_concurrent_stream); assert_uint8(0, ==, session->pending_enable_push); nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_ACK, NULL, 0); /* receive SETTINGS ACK */ assert_int(0, ==, nghttp2_session_on_settings_received(session, &frame, 0)); inflight_settings = session->inflight_settings_head; /* first inflight SETTINGS was removed */ assert_not_null(inflight_settings); assert_int32(NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, ==, inflight_settings->iv[0].settings_id); assert_uint32(99, ==, inflight_settings->iv[0].value); assert_size(1, ==, inflight_settings->niv); assert_null(inflight_settings->next); assert_uint32(100, ==, session->local_settings.max_concurrent_streams); /* receive SETTINGS ACK again */ assert_int(0, ==, nghttp2_session_on_settings_received(session, &frame, 0)); assert_null(session->inflight_settings_head); assert_uint32(99, ==, session->local_settings.max_concurrent_streams); nghttp2_session_del(session); } void test_nghttp2_submit_push_promise(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; nghttp2_stream *stream; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_frame_send_callback = on_frame_send_callback; callbacks.on_frame_not_send_callback = on_frame_not_send_callback; assert_int(0, ==, nghttp2_session_server_new(&session, &callbacks, &ud)); open_recv_stream(session, 1); assert_int32(2, ==, nghttp2_submit_push_promise(session, NGHTTP2_FLAG_NONE, 1, reqnv, ARRLEN(reqnv), &ud)); stream = nghttp2_session_get_stream(session, 2); assert_not_null(stream); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_RESERVED, ==, stream->state); assert_ptr_equal(&ud, nghttp2_session_get_stream_user_data(session, 2)); ud.frame_send_cb_called = 0; ud.sent_frame_type = 0; assert_int(0, ==, nghttp2_session_send(session)); assert_int(1, ==, ud.frame_send_cb_called); assert_uint8(NGHTTP2_PUSH_PROMISE, ==, ud.sent_frame_type); stream = nghttp2_session_get_stream(session, 2); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_RESERVED, ==, stream->state); assert_ptr_equal(&ud, nghttp2_session_get_stream_user_data(session, 2)); /* submit PUSH_PROMISE while associated stream is not opened */ assert_int32(NGHTTP2_ERR_STREAM_CLOSED, ==, nghttp2_submit_push_promise(session, NGHTTP2_FLAG_NONE, 3, reqnv, ARRLEN(reqnv), NULL)); /* Stream ID <= 0 is error */ assert_int32(NGHTTP2_ERR_INVALID_ARGUMENT, ==, nghttp2_submit_push_promise(session, NGHTTP2_FLAG_NONE, 0, reqnv, ARRLEN(reqnv), NULL)); nghttp2_session_del(session); } void test_nghttp2_submit_window_update(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; nghttp2_outbound_item *item; nghttp2_stream *stream; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_client_new(&session, &callbacks, &ud); stream = open_recv_stream(session, 2); stream->recv_window_size = 4096; assert_int(0, ==, nghttp2_submit_window_update(session, NGHTTP2_FLAG_NONE, 2, 1024)); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_WINDOW_UPDATE, ==, item->frame.hd.type); assert_int32(1024, ==, item->frame.window_update.window_size_increment); assert_int(0, ==, nghttp2_session_send(session)); assert_int32(3072, ==, stream->recv_window_size); assert_int(0, ==, nghttp2_submit_window_update(session, NGHTTP2_FLAG_NONE, 2, 4096)); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_WINDOW_UPDATE, ==, item->frame.hd.type); assert_int32(4096, ==, item->frame.window_update.window_size_increment); assert_int(0, ==, nghttp2_session_send(session)); assert_int32(0, ==, stream->recv_window_size); assert_int(0, ==, nghttp2_submit_window_update(session, NGHTTP2_FLAG_NONE, 2, 4096)); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_WINDOW_UPDATE, ==, item->frame.hd.type); assert_int32(4096, ==, item->frame.window_update.window_size_increment); assert_int(0, ==, nghttp2_session_send(session)); assert_int32(0, ==, stream->recv_window_size); assert_int(0, ==, nghttp2_submit_window_update(session, NGHTTP2_FLAG_NONE, 2, 0)); /* It is ok if stream is closed or does not exist at the call time */ assert_int(0, ==, nghttp2_submit_window_update(session, NGHTTP2_FLAG_NONE, 4, 4096)); nghttp2_session_del(session); } void test_nghttp2_submit_window_update_local_window_size(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_outbound_item *item; nghttp2_stream *stream; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_client_new(&session, &callbacks, NULL); stream = open_recv_stream(session, 2); stream->recv_window_size = 4096; assert_int(0, ==, nghttp2_submit_window_update(session, NGHTTP2_FLAG_NONE, 2, stream->recv_window_size + 1)); assert_int32(NGHTTP2_INITIAL_WINDOW_SIZE + 1, ==, stream->local_window_size); assert_int32(0, ==, stream->recv_window_size); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_WINDOW_UPDATE, ==, item->frame.hd.type); assert_int32(4097, ==, item->frame.window_update.window_size_increment); assert_int(0, ==, nghttp2_session_send(session)); /* Let's decrement local window size */ stream->recv_window_size = 4096; assert_int(0, ==, nghttp2_submit_window_update(session, NGHTTP2_FLAG_NONE, 2, -stream->local_window_size / 2)); assert_int32(32768, ==, stream->local_window_size); assert_int32(-28672, ==, stream->recv_window_size); assert_int32(32768, ==, stream->recv_reduction); item = nghttp2_session_get_next_ob_item(session); assert_null(item); /* Increase local window size */ assert_int( 0, ==, nghttp2_submit_window_update(session, NGHTTP2_FLAG_NONE, 2, 16384)); assert_int32(49152, ==, stream->local_window_size); assert_int32(-12288, ==, stream->recv_window_size); assert_int32(16384, ==, stream->recv_reduction); assert_null(nghttp2_session_get_next_ob_item(session)); assert_int(NGHTTP2_ERR_FLOW_CONTROL, ==, nghttp2_submit_window_update(session, NGHTTP2_FLAG_NONE, 2, NGHTTP2_MAX_WINDOW_SIZE)); assert_int(0, ==, nghttp2_session_send(session)); /* Check connection-level flow control */ session->recv_window_size = 4096; assert_int(0, ==, nghttp2_submit_window_update(session, NGHTTP2_FLAG_NONE, 0, session->recv_window_size + 1)); assert_int32(NGHTTP2_INITIAL_CONNECTION_WINDOW_SIZE + 1, ==, session->local_window_size); assert_int32(0, ==, session->recv_window_size); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_WINDOW_UPDATE, ==, item->frame.hd.type); assert_int32(4097, ==, item->frame.window_update.window_size_increment); assert_int(0, ==, nghttp2_session_send(session)); /* Go decrement part */ session->recv_window_size = 4096; assert_int(0, ==, nghttp2_submit_window_update(session, NGHTTP2_FLAG_NONE, 0, -session->local_window_size / 2)); assert_int32(32768, ==, session->local_window_size); assert_int32(-28672, ==, session->recv_window_size); assert_int32(32768, ==, session->recv_reduction); item = nghttp2_session_get_next_ob_item(session); assert_null(item); /* Increase local window size */ assert_int( 0, ==, nghttp2_submit_window_update(session, NGHTTP2_FLAG_NONE, 0, 16384)); assert_int32(49152, ==, session->local_window_size); assert_int32(-12288, ==, session->recv_window_size); assert_int32(16384, ==, session->recv_reduction); assert_null(nghttp2_session_get_next_ob_item(session)); assert_int(NGHTTP2_ERR_FLOW_CONTROL, ==, nghttp2_submit_window_update(session, NGHTTP2_FLAG_NONE, 0, NGHTTP2_MAX_WINDOW_SIZE)); nghttp2_session_del(session); } void test_nghttp2_submit_shutdown_notice(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_frame_send_callback = on_frame_send_callback; callbacks.on_frame_not_send_callback = on_frame_not_send_callback; nghttp2_session_server_new(&session, &callbacks, &ud); assert_int(0, ==, nghttp2_submit_shutdown_notice(session)); ud.frame_send_cb_called = 0; nghttp2_session_send(session); assert_int(1, ==, ud.frame_send_cb_called); assert_uint8(NGHTTP2_GOAWAY, ==, ud.sent_frame_type); assert_int32((1u << 31) - 1, ==, session->local_last_stream_id); /* After another GOAWAY, nghttp2_submit_shutdown_notice() is noop. */ assert_int(0, ==, nghttp2_session_terminate_session(session, NGHTTP2_NO_ERROR)); ud.frame_send_cb_called = 0; nghttp2_session_send(session); assert_int(1, ==, ud.frame_send_cb_called); assert_uint8(NGHTTP2_GOAWAY, ==, ud.sent_frame_type); assert_int32(0, ==, session->local_last_stream_id); assert_int(0, ==, nghttp2_submit_shutdown_notice(session)); ud.frame_send_cb_called = 0; ud.frame_not_send_cb_called = 0; nghttp2_session_send(session); assert_int(0, ==, ud.frame_send_cb_called); assert_int(0, ==, ud.frame_not_send_cb_called); nghttp2_session_del(session); /* Using nghttp2_submit_shutdown_notice() with client side session is error */ nghttp2_session_client_new(&session, &callbacks, NULL); assert_int(NGHTTP2_ERR_INVALID_STATE, ==, nghttp2_submit_shutdown_notice(session)); nghttp2_session_del(session); } void test_nghttp2_submit_invalid_nv(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_nv empty_name_nv[] = {MAKE_NV("Version", "HTTP/1.1"), MAKE_NV("", "empty name")}; /* Now invalid header name/value pair in HTTP/1.1 is accepted in nghttp2 */ memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); assert_int(0, ==, nghttp2_session_server_new(&session, &callbacks, NULL)); /* nghttp2_submit_response */ assert_int(0, ==, nghttp2_submit_response2(session, 2, empty_name_nv, ARRLEN(empty_name_nv), NULL)); /* nghttp2_submit_push_promise */ open_recv_stream(session, 1); assert_int32(0, <, nghttp2_submit_push_promise(session, NGHTTP2_FLAG_NONE, 1, empty_name_nv, ARRLEN(empty_name_nv), NULL)); nghttp2_session_del(session); assert_int(0, ==, nghttp2_session_client_new(&session, &callbacks, NULL)); /* nghttp2_submit_request */ assert_int32(0, <, nghttp2_submit_request2(session, NULL, empty_name_nv, ARRLEN(empty_name_nv), NULL, NULL)); /* nghttp2_submit_headers */ assert_int32(0, <, nghttp2_submit_headers(session, NGHTTP2_FLAG_NONE, -1, NULL, empty_name_nv, ARRLEN(empty_name_nv), NULL)); nghttp2_session_del(session); } void test_nghttp2_submit_extension(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; accumulator acc; nghttp2_mem *mem; const char data[] = "Hello World!"; size_t len; int32_t stream_id; int rv; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.pack_extension_callback2 = pack_extension_callback; callbacks.send_callback2 = accumulator_send_callback; nghttp2_buf_init2(&ud.scratchbuf, 4096, mem); nghttp2_session_client_new(&session, &callbacks, &ud); ud.scratchbuf.last = nghttp2_cpymem(ud.scratchbuf.last, data, sizeof(data)); ud.acc = &acc; rv = nghttp2_submit_extension(session, 211, 0x01, 3, &ud.scratchbuf); assert_int(0, ==, rv); acc.length = 0; rv = nghttp2_session_send(session); assert_int(0, ==, rv); assert_size(NGHTTP2_FRAME_HDLEN + sizeof(data), ==, acc.length); len = nghttp2_get_uint32(acc.buf) >> 8; assert_size(sizeof(data), ==, len); assert_uint8(211, ==, acc.buf[3]); assert_uint8(0x01, ==, acc.buf[4]); stream_id = (int32_t)nghttp2_get_uint32(acc.buf + 5); assert_int32(3, ==, stream_id); assert_memory_equal(sizeof(data), data, &acc.buf[NGHTTP2_FRAME_HDLEN]); nghttp2_session_del(session); /* submitting standard HTTP/2 frame is error */ nghttp2_session_server_new(&session, &callbacks, &ud); rv = nghttp2_submit_extension(session, NGHTTP2_GOAWAY, NGHTTP2_FLAG_NONE, 0, NULL); assert_int(NGHTTP2_ERR_INVALID_ARGUMENT, ==, rv); nghttp2_session_del(session); nghttp2_buf_free(&ud.scratchbuf, mem); } void test_nghttp2_submit_altsvc(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; int rv; nghttp2_ssize len; const uint8_t *data; nghttp2_frame_hd hd; size_t origin_len; const uint8_t origin[] = "nghttp2.org"; const uint8_t field_value[] = "h2=\":443\""; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); nghttp2_session_server_new(&session, &callbacks, &ud); rv = nghttp2_submit_altsvc(session, NGHTTP2_FLAG_NONE, 0, origin, sizeof(origin) - 1, field_value, sizeof(field_value) - 1); assert_int(0, ==, rv); ud.frame_send_cb_called = 0; len = nghttp2_session_mem_send2(session, &data); assert_ptrdiff(NGHTTP2_FRAME_HDLEN + 2 + sizeof(origin) - 1 + sizeof(field_value) - 1, ==, len); nghttp2_frame_unpack_frame_hd(&hd, data); assert_size(2 + sizeof(origin) - 1 + sizeof(field_value) - 1, ==, hd.length); assert_uint8(NGHTTP2_ALTSVC, ==, hd.type); assert_uint8(NGHTTP2_FLAG_NONE, ==, hd.flags); origin_len = nghttp2_get_uint16(data + NGHTTP2_FRAME_HDLEN); assert_size(sizeof(origin) - 1, ==, origin_len); assert_memory_equal(sizeof(origin) - 1, origin, data + NGHTTP2_FRAME_HDLEN + 2); assert_memory_equal(hd.length - (sizeof(origin) - 1) - 2, field_value, data + NGHTTP2_FRAME_HDLEN + 2 + sizeof(origin) - 1); /* submitting empty origin with stream_id == 0 is error */ rv = nghttp2_submit_altsvc(session, NGHTTP2_FLAG_NONE, 0, NULL, 0, field_value, sizeof(field_value) - 1); assert_int(NGHTTP2_ERR_INVALID_ARGUMENT, ==, rv); /* submitting non-empty origin with stream_id != 0 is error */ rv = nghttp2_submit_altsvc(session, NGHTTP2_FLAG_NONE, 1, origin, sizeof(origin) - 1, field_value, sizeof(field_value) - 1); assert_int(NGHTTP2_ERR_INVALID_ARGUMENT, ==, rv); nghttp2_session_del(session); /* submitting from client side session is error */ nghttp2_session_client_new(&session, &callbacks, NULL); rv = nghttp2_submit_altsvc(session, NGHTTP2_FLAG_NONE, 0, origin, sizeof(origin) - 1, field_value, sizeof(field_value) - 1); assert_int(NGHTTP2_ERR_INVALID_STATE, ==, rv); nghttp2_session_del(session); } void test_nghttp2_submit_origin(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; int rv; nghttp2_ssize len; const uint8_t *data; static const uint8_t nghttp2[] = "https://nghttp2.org"; static const uint8_t examples[] = "https://examples.com"; static const nghttp2_origin_entry ov[] = { { (uint8_t *)nghttp2, sizeof(nghttp2) - 1, }, { (uint8_t *)examples, sizeof(examples) - 1, }, }; nghttp2_frame frame; nghttp2_ext_origin origin; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_frame_send_callback = on_frame_send_callback; frame.ext.payload = &origin; nghttp2_session_server_new(&session, &callbacks, &ud); rv = nghttp2_submit_origin(session, NGHTTP2_FLAG_NONE, ov, 2); assert_int(0, ==, rv); ud.frame_send_cb_called = 0; len = nghttp2_session_mem_send2(session, &data); assert_ptrdiff(0, <, len); assert_int(1, ==, ud.frame_send_cb_called); nghttp2_frame_unpack_frame_hd(&frame.hd, data); rv = nghttp2_frame_unpack_origin_payload( &frame.ext, data + NGHTTP2_FRAME_HDLEN, (size_t)len - NGHTTP2_FRAME_HDLEN, mem); assert_int(0, ==, rv); assert_int32(0, ==, frame.hd.stream_id); assert_uint8(NGHTTP2_ORIGIN, ==, frame.hd.type); assert_size(2, ==, origin.nov); assert_memory_equal(sizeof(nghttp2) - 1, nghttp2, origin.ov[0].origin); assert_size(sizeof(nghttp2) - 1, ==, origin.ov[0].origin_len); assert_memory_equal(sizeof(examples) - 1, examples, origin.ov[1].origin); assert_size(sizeof(examples) - 1, ==, origin.ov[1].origin_len); nghttp2_frame_origin_free(&frame.ext, mem); nghttp2_session_del(session); /* Submitting ORIGIN frame from client session is error */ nghttp2_session_client_new(&session, &callbacks, NULL); rv = nghttp2_submit_origin(session, NGHTTP2_FLAG_NONE, ov, 1); assert_int(NGHTTP2_ERR_INVALID_STATE, ==, rv); nghttp2_session_del(session); /* Submitting empty ORIGIN frame */ nghttp2_session_server_new(&session, &callbacks, &ud); rv = nghttp2_submit_origin(session, NGHTTP2_FLAG_NONE, NULL, 0); assert_int(0, ==, rv); ud.frame_send_cb_called = 0; len = nghttp2_session_mem_send2(session, &data); assert_ptrdiff(NGHTTP2_FRAME_HDLEN, ==, len); assert_int(1, ==, ud.frame_send_cb_called); nghttp2_frame_unpack_frame_hd(&frame.hd, data); assert_uint8(NGHTTP2_ORIGIN, ==, frame.hd.type); nghttp2_session_del(session); } void test_nghttp2_submit_priority_update(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; const uint8_t field_value[] = "i"; my_user_data ud; const uint8_t *data; int rv; nghttp2_frame frame; nghttp2_ext_priority_update priority_update; nghttp2_ssize len; int32_t stream_id; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_frame_send_callback = on_frame_send_callback; nghttp2_session_client_new(&session, &callbacks, &ud); session->pending_no_rfc7540_priorities = 1; stream_id = nghttp2_submit_request2(session, NULL, reqnv, ARRLEN(reqnv), NULL, NULL); assert_int32(1, ==, stream_id); len = nghttp2_session_mem_send2(session, &data); assert_ptrdiff(0, <, len); rv = nghttp2_submit_priority_update(session, NGHTTP2_FLAG_NONE, stream_id, field_value, sizeof(field_value) - 1); assert_int(0, ==, rv); frame.ext.payload = &priority_update; ud.frame_send_cb_called = 0; len = nghttp2_session_mem_send2(session, &data); assert_ptrdiff(0, <, len); assert_int(1, ==, ud.frame_send_cb_called); nghttp2_frame_unpack_frame_hd(&frame.hd, data); nghttp2_frame_unpack_priority_update_payload( &frame.ext, (uint8_t *)(data + NGHTTP2_FRAME_HDLEN), (size_t)len - NGHTTP2_FRAME_HDLEN); assert_int32(0, ==, frame.hd.stream_id); assert_uint8(NGHTTP2_PRIORITY_UPDATE, ==, frame.hd.type); assert_int32(stream_id, ==, priority_update.stream_id); assert_size(sizeof(field_value) - 1, ==, priority_update.field_value_len); assert_memory_equal(sizeof(field_value) - 1, field_value, priority_update.field_value); nghttp2_session_del(session); /* Submitting PRIORITY_UPDATE frame from server session is error */ nghttp2_session_server_new(&session, &callbacks, &ud); open_recv_stream(session, 1); rv = nghttp2_submit_priority_update(session, NGHTTP2_FLAG_NONE, 1, field_value, sizeof(field_value) - 1); assert_int(NGHTTP2_ERR_INVALID_STATE, ==, rv); nghttp2_session_del(session); /* Submitting PRIORITY_UPDATE with empty field_value */ nghttp2_session_client_new(&session, &callbacks, &ud); stream_id = nghttp2_submit_request2(session, NULL, reqnv, ARRLEN(reqnv), NULL, NULL); assert_int32(1, ==, stream_id); len = nghttp2_session_mem_send2(session, &data); assert_ptrdiff(0, <, len); rv = nghttp2_submit_priority_update(session, NGHTTP2_FLAG_NONE, stream_id, NULL, 0); assert_int(0, ==, rv); frame.ext.payload = &priority_update; len = nghttp2_session_mem_send2(session, &data); assert_ptrdiff(0, <, len); nghttp2_frame_unpack_frame_hd(&frame.hd, data); nghttp2_frame_unpack_priority_update_payload( &frame.ext, (uint8_t *)(data + NGHTTP2_FRAME_HDLEN), (size_t)len - NGHTTP2_FRAME_HDLEN); assert_int32(0, ==, frame.hd.stream_id); assert_uint8(NGHTTP2_PRIORITY_UPDATE, ==, frame.hd.type); assert_int32(stream_id, ==, priority_update.stream_id); assert_size(0, ==, priority_update.field_value_len); assert_null(priority_update.field_value); nghttp2_session_del(session); } void test_nghttp2_submit_rst_stream(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_outbound_item *item; int rv; int32_t stream_id; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); /* Sending RST_STREAM to idle stream (local) is ignored */ nghttp2_session_client_new(&session, &callbacks, NULL); rv = nghttp2_submit_rst_stream(session, NGHTTP2_FLAG_NONE, 1, NGHTTP2_NO_ERROR); assert_int(0, ==, rv); item = nghttp2_outbound_queue_top(&session->ob_reg); assert_null(item); nghttp2_session_del(session); /* Sending RST_STREAM to idle stream (remote) is ignored */ nghttp2_session_client_new(&session, &callbacks, NULL); rv = nghttp2_submit_rst_stream(session, NGHTTP2_FLAG_NONE, 2, NGHTTP2_NO_ERROR); assert_int(0, ==, rv); item = nghttp2_outbound_queue_top(&session->ob_reg); assert_null(item); nghttp2_session_del(session); /* Sending RST_STREAM to non-idle stream (local) */ nghttp2_session_client_new(&session, &callbacks, NULL); open_sent_stream(session, 1); rv = nghttp2_submit_rst_stream(session, NGHTTP2_FLAG_NONE, 1, NGHTTP2_NO_ERROR); assert_int(0, ==, rv); item = nghttp2_outbound_queue_top(&session->ob_reg); assert_not_null(item); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_int32(1, ==, item->frame.hd.stream_id); nghttp2_session_del(session); /* Sending RST_STREAM to non-idle stream (remote) */ nghttp2_session_client_new(&session, &callbacks, NULL); open_recv_stream(session, 2); rv = nghttp2_submit_rst_stream(session, NGHTTP2_FLAG_NONE, 2, NGHTTP2_NO_ERROR); assert_int(0, ==, rv); item = nghttp2_outbound_queue_top(&session->ob_reg); assert_not_null(item); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_int32(2, ==, item->frame.hd.stream_id); nghttp2_session_del(session); /* Sending RST_STREAM to pending stream */ nghttp2_session_client_new(&session, &callbacks, NULL); stream_id = nghttp2_submit_request2(session, NULL, reqnv, ARRLEN(reqnv), NULL, NULL); assert_int32(0, <, stream_id); item = nghttp2_outbound_queue_top(&session->ob_syn); assert_not_null(item); assert_uint8(NGHTTP2_HEADERS, ==, item->frame.hd.type); assert_false(item->aux_data.headers.canceled); rv = nghttp2_submit_rst_stream(session, NGHTTP2_FLAG_NONE, stream_id, NGHTTP2_NO_ERROR); assert_int(0, ==, rv); item = nghttp2_outbound_queue_top(&session->ob_syn); assert_not_null(item); assert_uint8(NGHTTP2_HEADERS, ==, item->frame.hd.type); assert_true(item->aux_data.headers.canceled); nghttp2_session_del(session); } void test_nghttp2_session_open_stream(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_stream *stream; nghttp2_priority_spec pri_spec; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); nghttp2_session_server_new(&session, &callbacks, NULL); nghttp2_priority_spec_init(&pri_spec, 0, 245, 0); stream = nghttp2_session_open_stream(session, 1, NGHTTP2_STREAM_FLAG_NONE, &pri_spec, NGHTTP2_STREAM_OPENED, NULL); assert_size(1, ==, session->num_incoming_streams); assert_size(0, ==, session->num_outgoing_streams); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_OPENED, ==, stream->state); assert_int32(245, ==, stream->weight); assert_ptr_equal(&session->root, stream->dep_prev); assert_uint8(NGHTTP2_SHUT_NONE, ==, stream->shut_flags); stream = nghttp2_session_open_stream(session, 2, NGHTTP2_STREAM_FLAG_NONE, &pri_spec_default, NGHTTP2_STREAM_OPENING, NULL); assert_size(1, ==, session->num_incoming_streams); assert_size(1, ==, session->num_outgoing_streams); assert_ptr_equal(&session->root, stream->dep_prev); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, stream->weight); assert_uint8(NGHTTP2_SHUT_NONE, ==, stream->shut_flags); stream = nghttp2_session_open_stream(session, 4, NGHTTP2_STREAM_FLAG_NONE, &pri_spec_default, NGHTTP2_STREAM_RESERVED, NULL); assert_size(1, ==, session->num_incoming_streams); assert_size(1, ==, session->num_outgoing_streams); assert_ptr_equal(&session->root, stream->dep_prev); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, stream->weight); assert_uint8(NGHTTP2_SHUT_RD, ==, stream->shut_flags); nghttp2_priority_spec_init(&pri_spec, 1, 17, 1); stream = nghttp2_session_open_stream(session, 3, NGHTTP2_STREAM_FLAG_NONE, &pri_spec, NGHTTP2_STREAM_OPENED, NULL); assert_int32(17, ==, stream->weight); assert_int32(1, ==, stream->dep_prev->stream_id); /* Dependency to idle stream */ nghttp2_priority_spec_init(&pri_spec, 1000000007, 240, 1); stream = nghttp2_session_open_stream(session, 5, NGHTTP2_STREAM_FLAG_NONE, &pri_spec, NGHTTP2_STREAM_OPENED, NULL); assert_int32(240, ==, stream->weight); assert_int32(1000000007, ==, stream->dep_prev->stream_id); stream = nghttp2_session_get_stream_raw(session, 1000000007); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, stream->weight); assert_ptr_equal(&session->root, stream->dep_prev); /* Dependency to closed stream which is not in dependency tree */ session->last_recv_stream_id = 7; nghttp2_priority_spec_init(&pri_spec, 7, 10, 0); stream = nghttp2_session_open_stream(session, 9, NGHTTP2_FLAG_NONE, &pri_spec, NGHTTP2_STREAM_OPENED, NULL); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, stream->weight); assert_ptr_equal(&session->root, stream->dep_prev); nghttp2_session_del(session); nghttp2_session_client_new(&session, &callbacks, NULL); stream = nghttp2_session_open_stream(session, 4, NGHTTP2_STREAM_FLAG_NONE, &pri_spec_default, NGHTTP2_STREAM_RESERVED, NULL); assert_size(0, ==, session->num_incoming_streams); assert_size(0, ==, session->num_outgoing_streams); assert_ptr_equal(&session->root, stream->dep_prev); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, stream->weight); assert_uint8(NGHTTP2_SHUT_WR, ==, stream->shut_flags); nghttp2_session_del(session); } void test_nghttp2_session_open_stream_with_idle_stream_dep(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_stream *stream; nghttp2_priority_spec pri_spec; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); nghttp2_session_server_new(&session, &callbacks, NULL); /* Dependency to idle stream */ nghttp2_priority_spec_init(&pri_spec, 101, 245, 0); stream = nghttp2_session_open_stream(session, 1, NGHTTP2_STREAM_FLAG_NONE, &pri_spec, NGHTTP2_STREAM_OPENED, NULL); assert_int32(245, ==, stream->weight); assert_int32(101, ==, stream->dep_prev->stream_id); stream = nghttp2_session_get_stream_raw(session, 101); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_IDLE, ==, stream->state); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, stream->weight); nghttp2_priority_spec_init(&pri_spec, 211, 1, 0); /* stream 101 was already created as idle. */ stream = nghttp2_session_open_stream(session, 101, NGHTTP2_STREAM_FLAG_NONE, &pri_spec, NGHTTP2_STREAM_OPENED, NULL); assert_int32(1, ==, stream->weight); assert_int32(211, ==, stream->dep_prev->stream_id); stream = nghttp2_session_get_stream_raw(session, 211); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_IDLE, ==, stream->state); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, stream->weight); nghttp2_session_del(session); } void test_nghttp2_session_get_next_ob_item(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_priority_spec pri_spec; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_client_new(&session, &callbacks, NULL); session->remote_settings.max_concurrent_streams = 2; assert_null(nghttp2_session_get_next_ob_item(session)); nghttp2_submit_ping(session, NGHTTP2_FLAG_NONE, NULL); assert_uint8(NGHTTP2_PING, ==, nghttp2_session_get_next_ob_item(session)->frame.hd.type); assert_int32(1, ==, nghttp2_submit_request2(session, NULL, NULL, 0, NULL, NULL)); assert_uint8(NGHTTP2_PING, ==, nghttp2_session_get_next_ob_item(session)->frame.hd.type); assert_int(0, ==, nghttp2_session_send(session)); assert_null(nghttp2_session_get_next_ob_item(session)); /* Incoming stream does not affect the number of outgoing max concurrent streams. */ open_recv_stream(session, 2); nghttp2_priority_spec_init(&pri_spec, 0, NGHTTP2_MAX_WEIGHT, 0); assert_int(3, ==, nghttp2_submit_request2(session, &pri_spec, NULL, 0, NULL, NULL)); assert_uint8(NGHTTP2_HEADERS, ==, nghttp2_session_get_next_ob_item(session)->frame.hd.type); assert_int(0, ==, nghttp2_session_send(session)); assert_int(5, ==, nghttp2_submit_request2(session, &pri_spec, NULL, 0, NULL, NULL)); assert_null(nghttp2_session_get_next_ob_item(session)); session->remote_settings.max_concurrent_streams = 3; assert_uint8(NGHTTP2_HEADERS, ==, nghttp2_session_get_next_ob_item(session)->frame.hd.type); nghttp2_session_del(session); /* Check that push reply HEADERS are queued into ob_ss_pq */ nghttp2_session_server_new(&session, &callbacks, NULL); session->remote_settings.max_concurrent_streams = 0; open_sent_stream2(session, 2, NGHTTP2_STREAM_RESERVED); assert_int32(0, ==, nghttp2_submit_headers(session, NGHTTP2_FLAG_END_STREAM, 2, NULL, NULL, 0, NULL)); assert_null(nghttp2_session_get_next_ob_item(session)); assert_size(1, ==, nghttp2_outbound_queue_size(&session->ob_syn)); nghttp2_session_del(session); } void test_nghttp2_session_pop_next_ob_item(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_outbound_item *item; nghttp2_priority_spec pri_spec; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_client_new(&session, &callbacks, NULL); session->remote_settings.max_concurrent_streams = 1; assert_null(nghttp2_session_pop_next_ob_item(session)); nghttp2_submit_ping(session, NGHTTP2_FLAG_NONE, NULL); nghttp2_priority_spec_init(&pri_spec, 0, 254, 0); nghttp2_submit_request2(session, &pri_spec, NULL, 0, NULL, NULL); item = nghttp2_session_pop_next_ob_item(session); assert_uint8(NGHTTP2_PING, ==, item->frame.hd.type); nghttp2_outbound_item_free(item, mem); mem->free(item, NULL); item = nghttp2_session_pop_next_ob_item(session); assert_uint8(NGHTTP2_HEADERS, ==, item->frame.hd.type); nghttp2_outbound_item_free(item, mem); mem->free(item, NULL); assert_null(nghttp2_session_pop_next_ob_item(session)); /* Incoming stream does not affect the number of outgoing max concurrent streams. */ open_recv_stream(session, 4); /* In-flight outgoing stream */ open_sent_stream(session, 1); nghttp2_priority_spec_init(&pri_spec, 0, NGHTTP2_MAX_WEIGHT, 0); nghttp2_submit_request2(session, &pri_spec, NULL, 0, NULL, NULL); assert_null(nghttp2_session_pop_next_ob_item(session)); session->remote_settings.max_concurrent_streams = 2; item = nghttp2_session_pop_next_ob_item(session); assert_uint8(NGHTTP2_HEADERS, ==, item->frame.hd.type); nghttp2_outbound_item_free(item, mem); mem->free(item, NULL); nghttp2_session_del(session); /* Check that push reply HEADERS are queued into ob_ss_pq */ nghttp2_session_server_new(&session, &callbacks, NULL); session->remote_settings.max_concurrent_streams = 0; open_sent_stream2(session, 2, NGHTTP2_STREAM_RESERVED); assert_int32(0, ==, nghttp2_submit_headers(session, NGHTTP2_FLAG_END_STREAM, 2, NULL, NULL, 0, NULL)); assert_null(nghttp2_session_pop_next_ob_item(session)); assert_size(1, ==, nghttp2_outbound_queue_size(&session->ob_syn)); nghttp2_session_del(session); } void test_nghttp2_session_reply_fail(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_data_provider2 data_prd; my_user_data ud; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = fail_send_callback; data_prd.read_callback = fixed_length_data_source_read_callback; ud.data_source_length = 4 * 1024; assert_int(0, ==, nghttp2_session_server_new(&session, &callbacks, &ud)); open_recv_stream2(session, 1, NGHTTP2_STREAM_OPENING); assert_int(0, ==, nghttp2_submit_response2(session, 1, NULL, 0, &data_prd)); assert_int(NGHTTP2_ERR_CALLBACK_FAILURE, ==, nghttp2_session_send(session)); nghttp2_session_del(session); } void test_nghttp2_session_max_concurrent_streams(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_frame frame; nghttp2_outbound_item *item; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_server_new(&session, &callbacks, NULL); open_recv_stream(session, 1); /* Check un-ACKed SETTINGS_MAX_CONCURRENT_STREAMS */ nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS, 3, NGHTTP2_HCAT_HEADERS, NULL, NULL, 0); session->pending_local_max_concurrent_stream = 1; assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_request_headers_received(session, &frame)); item = nghttp2_outbound_queue_top(&session->ob_reg); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_uint32(NGHTTP2_REFUSED_STREAM, ==, item->frame.rst_stream.error_code); assert_int(0, ==, nghttp2_session_send(session)); /* Check ACKed SETTINGS_MAX_CONCURRENT_STREAMS */ session->local_settings.max_concurrent_streams = 1; frame.hd.stream_id = 5; assert_int(NGHTTP2_ERR_IGN_HEADER_BLOCK, ==, nghttp2_session_on_request_headers_received(session, &frame)); item = nghttp2_outbound_queue_top(&session->ob_reg); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); assert_uint32(NGHTTP2_PROTOCOL_ERROR, ==, item->frame.goaway.error_code); nghttp2_frame_headers_free(&frame.headers, mem); nghttp2_session_del(session); } void test_nghttp2_session_stop_data_with_rst_stream(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; nghttp2_data_provider2 data_prd; nghttp2_frame frame; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_frame_send_callback = on_frame_send_callback; callbacks.send_callback2 = block_count_send_callback; data_prd.read_callback = fixed_length_data_source_read_callback; ud.frame_send_cb_called = 0; ud.data_source_length = NGHTTP2_DATA_PAYLOADLEN * 4; nghttp2_session_server_new(&session, &callbacks, &ud); open_recv_stream2(session, 1, NGHTTP2_STREAM_OPENING); nghttp2_submit_response2(session, 1, NULL, 0, &data_prd); ud.block_count = 2; /* Sends response HEADERS + DATA[0] */ assert_int(0, ==, nghttp2_session_send(session)); assert_uint8(NGHTTP2_DATA, ==, ud.sent_frame_type); /* data for DATA[1] is read from data_prd but it is not sent */ assert_size(ud.data_source_length, ==, NGHTTP2_DATA_PAYLOADLEN * 2); nghttp2_frame_rst_stream_init(&frame.rst_stream, 1, NGHTTP2_CANCEL); assert_int(0, ==, nghttp2_session_on_rst_stream_received(session, &frame)); nghttp2_frame_rst_stream_free(&frame.rst_stream); /* Big enough number to send all DATA frames potentially. */ ud.block_count = 100; /* Nothing will be sent in the following call. */ assert_int(0, ==, nghttp2_session_send(session)); /* With RST_STREAM, stream is canceled and further DATA on that stream are not sent. */ assert_size(ud.data_source_length, ==, NGHTTP2_DATA_PAYLOADLEN * 2); assert_null(nghttp2_session_get_stream(session, 1)); nghttp2_session_del(session); } void test_nghttp2_session_defer_data(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; nghttp2_data_provider2 data_prd; nghttp2_outbound_item *item; nghttp2_stream *stream; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_frame_send_callback = on_frame_send_callback; callbacks.send_callback2 = block_count_send_callback; data_prd.read_callback = defer_data_source_read_callback; ud.frame_send_cb_called = 0; ud.data_source_length = NGHTTP2_DATA_PAYLOADLEN * 4; nghttp2_session_server_new(&session, &callbacks, &ud); stream = open_recv_stream2(session, 1, NGHTTP2_STREAM_OPENING); session->remote_window_size = 1 << 20; stream->remote_window_size = 1 << 20; nghttp2_submit_response2(session, 1, NULL, 0, &data_prd); ud.block_count = 1; /* Sends HEADERS reply */ assert_int(0, ==, nghttp2_session_send(session)); assert_uint8(NGHTTP2_HEADERS, ==, ud.sent_frame_type); /* No data is read */ assert_size(ud.data_source_length, ==, NGHTTP2_DATA_PAYLOADLEN * 4); ud.block_count = 1; nghttp2_submit_ping(session, NGHTTP2_FLAG_NONE, NULL); /* Sends PING */ assert_int(0, ==, nghttp2_session_send(session)); assert_uint8(NGHTTP2_PING, ==, ud.sent_frame_type); /* Resume deferred DATA */ assert_int(0, ==, nghttp2_session_resume_data(session, 1)); item = stream->item; item->aux_data.data.dpw.data_prd.v1.read_callback = fixed_length_data_source_read_callback; ud.block_count = 1; /* Reads 2 DATA chunks */ assert_int(0, ==, nghttp2_session_send(session)); assert_size(ud.data_source_length, ==, NGHTTP2_DATA_PAYLOADLEN * 2); /* Deferred again */ item->aux_data.data.dpw.data_prd.v1.read_callback = defer_data_source_read_callback; /* This is needed since 16KiB block is already read and waiting to be sent. No read_callback invocation. */ ud.block_count = 1; assert_int(0, ==, nghttp2_session_send(session)); assert_size(ud.data_source_length, ==, NGHTTP2_DATA_PAYLOADLEN * 2); /* Resume deferred DATA */ assert_int(0, ==, nghttp2_session_resume_data(session, 1)); item->aux_data.data.dpw.data_prd.v1.read_callback = fixed_length_data_source_read_callback; ud.block_count = 1; /* Reads 2 16KiB blocks */ assert_int(0, ==, nghttp2_session_send(session)); assert_size(ud.data_source_length, ==, 0); nghttp2_session_del(session); } void test_nghttp2_session_flow_control(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; nghttp2_data_provider2 data_prd; nghttp2_frame frame; nghttp2_stream *stream; int32_t new_initial_window_size; nghttp2_settings_entry iv[1]; nghttp2_frame settings_frame; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = fixed_bytes_send_callback; callbacks.on_frame_send_callback = on_frame_send_callback; data_prd.read_callback = fixed_length_data_source_read_callback; ud.frame_send_cb_called = 0; ud.data_source_length = 128 * 1024; /* Use smaller emission count so that we can check outbound flow control window calculation is correct. */ ud.fixed_sendlen = 2 * 1024; /* Initial window size to 64KiB - 1*/ nghttp2_session_client_new(&session, &callbacks, &ud); /* Change it to 64KiB for easy calculation */ session->remote_window_size = 64 * 1024; session->remote_settings.initial_window_size = 64 * 1024; nghttp2_submit_request2(session, NULL, NULL, 0, &data_prd, NULL); /* Sends 64KiB - 1 data */ assert_int(0, ==, nghttp2_session_send(session)); assert_size(64 * 1024, ==, ud.data_source_length); /* Back 32KiB in stream window */ nghttp2_frame_window_update_init(&frame.window_update, NGHTTP2_FLAG_NONE, 1, 32 * 1024); nghttp2_session_on_window_update_received(session, &frame); /* Send nothing because of connection-level window */ assert_int(0, ==, nghttp2_session_send(session)); assert_size(64 * 1024, ==, ud.data_source_length); /* Back 32KiB in connection-level window */ frame.hd.stream_id = 0; nghttp2_session_on_window_update_received(session, &frame); /* Sends another 32KiB data */ assert_int(0, ==, nghttp2_session_send(session)); assert_size(32 * 1024, ==, ud.data_source_length); stream = nghttp2_session_get_stream(session, 1); /* Change initial window size to 16KiB. The window_size becomes negative. */ new_initial_window_size = 16 * 1024; stream->remote_window_size = new_initial_window_size - ((int32_t)session->remote_settings.initial_window_size - stream->remote_window_size); session->remote_settings.initial_window_size = (uint32_t)new_initial_window_size; assert_int32(-48 * 1024, ==, stream->remote_window_size); /* Back 48KiB to stream window */ frame.hd.stream_id = 1; frame.window_update.window_size_increment = 48 * 1024; nghttp2_session_on_window_update_received(session, &frame); /* Nothing is sent because window_size is 0 */ assert_int(0, ==, nghttp2_session_send(session)); assert_size(32 * 1024, ==, ud.data_source_length); /* Back 16KiB in stream window */ frame.hd.stream_id = 1; frame.window_update.window_size_increment = 16 * 1024; nghttp2_session_on_window_update_received(session, &frame); /* Back 24KiB in connection-level window */ frame.hd.stream_id = 0; frame.window_update.window_size_increment = 24 * 1024; nghttp2_session_on_window_update_received(session, &frame); /* Sends another 16KiB data */ assert_int(0, ==, nghttp2_session_send(session)); assert_size(16 * 1024, ==, ud.data_source_length); /* Increase initial window size to 32KiB */ iv[0].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE; iv[0].value = 32 * 1024; nghttp2_frame_settings_init(&settings_frame.settings, NGHTTP2_FLAG_NONE, dup_iv(iv, 1), 1); nghttp2_session_on_settings_received(session, &settings_frame, 1); nghttp2_frame_settings_free(&settings_frame.settings, mem); /* Sends another 8KiB data */ assert_int(0, ==, nghttp2_session_send(session)); assert_size(8 * 1024, ==, ud.data_source_length); /* Back 8KiB in connection-level window */ frame.hd.stream_id = 0; frame.window_update.window_size_increment = 8 * 1024; nghttp2_session_on_window_update_received(session, &frame); /* Sends last 8KiB data */ assert_int(0, ==, nghttp2_session_send(session)); assert_size(0, ==, ud.data_source_length); assert_true(nghttp2_session_get_stream(session, 1)->shut_flags & NGHTTP2_SHUT_WR); nghttp2_frame_window_update_free(&frame.window_update); nghttp2_session_del(session); } void test_nghttp2_session_flow_control_data_recv(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; uint8_t data[64 * 1024 + 16]; nghttp2_frame_hd hd; nghttp2_outbound_item *item; nghttp2_stream *stream; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; /* Initial window size to 64KiB - 1*/ nghttp2_session_client_new(&session, &callbacks, NULL); stream = open_sent_stream(session, 1); nghttp2_stream_shutdown(stream, NGHTTP2_SHUT_WR); session->local_window_size = NGHTTP2_MAX_PAYLOADLEN; stream->local_window_size = NGHTTP2_MAX_PAYLOADLEN; /* Create DATA frame */ memset(data, 0, sizeof(data)); nghttp2_frame_hd_init(&hd, NGHTTP2_MAX_PAYLOADLEN, NGHTTP2_DATA, NGHTTP2_FLAG_END_STREAM, 1); nghttp2_frame_pack_frame_hd(data, &hd); assert_ptrdiff( NGHTTP2_MAX_PAYLOADLEN + NGHTTP2_FRAME_HDLEN, ==, nghttp2_session_mem_recv2(session, data, NGHTTP2_MAX_PAYLOADLEN + NGHTTP2_FRAME_HDLEN)); item = nghttp2_session_get_next_ob_item(session); /* Since this is the last frame, stream-level WINDOW_UPDATE is not issued, but connection-level is. */ assert_uint8(NGHTTP2_WINDOW_UPDATE, ==, item->frame.hd.type); assert_int32(0, ==, item->frame.hd.stream_id); assert_int32(NGHTTP2_MAX_PAYLOADLEN, ==, item->frame.window_update.window_size_increment); assert_int(0, ==, nghttp2_session_send(session)); /* Receive DATA for closed stream. They are still subject to under connection-level flow control, since this situation arises when RST_STREAM is issued by the remote, but the local side keeps sending DATA frames. Without calculating connection-level window, the subsequent flow control gets confused. */ assert_ptrdiff( NGHTTP2_MAX_PAYLOADLEN + NGHTTP2_FRAME_HDLEN, ==, nghttp2_session_mem_recv2(session, data, NGHTTP2_MAX_PAYLOADLEN + NGHTTP2_FRAME_HDLEN)); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_WINDOW_UPDATE, ==, item->frame.hd.type); assert_int32(0, ==, item->frame.hd.stream_id); assert_int32(NGHTTP2_MAX_PAYLOADLEN, ==, item->frame.window_update.window_size_increment); nghttp2_session_del(session); } void test_nghttp2_session_flow_control_data_with_padding_recv(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; uint8_t data[1024]; nghttp2_frame_hd hd; nghttp2_stream *stream; nghttp2_option *option; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_option_new(&option); /* Disable auto window update so that we can check padding is consumed automatically */ nghttp2_option_set_no_auto_window_update(option, 1); /* Initial window size to 64KiB - 1*/ nghttp2_session_client_new2(&session, &callbacks, NULL, option); nghttp2_option_del(option); stream = open_sent_stream(session, 1); /* Create DATA frame */ memset(data, 0, sizeof(data)); nghttp2_frame_hd_init(&hd, 357, NGHTTP2_DATA, NGHTTP2_FLAG_PADDED, 1); nghttp2_frame_pack_frame_hd(data, &hd); /* Set Pad Length field, which itself is padding */ data[NGHTTP2_FRAME_HDLEN] = 255; assert_ptrdiff((nghttp2_ssize)(NGHTTP2_FRAME_HDLEN + hd.length), ==, nghttp2_session_mem_recv2(session, data, NGHTTP2_FRAME_HDLEN + hd.length)); assert_int32((int32_t)hd.length, ==, session->recv_window_size); assert_int32((int32_t)hd.length, ==, stream->recv_window_size); assert_int32(256, ==, session->consumed_size); assert_int32(256, ==, stream->consumed_size); assert_int32(357, ==, session->recv_window_size); assert_int32(357, ==, stream->recv_window_size); /* Receive the same DATA frame, but in 2 parts: first 9 + 1 + 102 bytes which includes 1st padding byte, and remainder */ assert_ptrdiff( (nghttp2_ssize)(NGHTTP2_FRAME_HDLEN + 103), ==, nghttp2_session_mem_recv2(session, data, NGHTTP2_FRAME_HDLEN + 103)); assert_int32(258, ==, session->consumed_size); assert_int32(258, ==, stream->consumed_size); assert_int32(460, ==, session->recv_window_size); assert_int32(460, ==, stream->recv_window_size); /* 357 - 103 = 254 bytes left */ assert_ptrdiff(254, ==, nghttp2_session_mem_recv2(session, data, 254)); assert_int32(512, ==, session->consumed_size); assert_int32(512, ==, stream->consumed_size); assert_int32(714, ==, session->recv_window_size); assert_int32(714, ==, stream->recv_window_size); /* Receive the same DATA frame, but in 2 parts: first 9 = 1 + 101 bytes which only includes data without padding, 2nd part is padding only */ assert_ptrdiff( (nghttp2_ssize)(NGHTTP2_FRAME_HDLEN + 102), ==, nghttp2_session_mem_recv2(session, data, NGHTTP2_FRAME_HDLEN + 102)); assert_int32(513, ==, session->consumed_size); assert_int32(513, ==, stream->consumed_size); assert_int32(816, ==, session->recv_window_size); assert_int32(816, ==, stream->recv_window_size); /* 357 - 102 = 255 bytes left */ assert_ptrdiff(255, ==, nghttp2_session_mem_recv2(session, data, 255)); assert_int32(768, ==, session->consumed_size); assert_int32(768, ==, stream->consumed_size); assert_int32(1071, ==, session->recv_window_size); assert_int32(1071, ==, stream->recv_window_size); /* Receive the same DATA frame, but in 2 parts: first 9 = 1 + 50 bytes which includes byte up to middle of data, 2nd part is the remainder */ assert_ptrdiff( (nghttp2_ssize)(NGHTTP2_FRAME_HDLEN + 51), ==, nghttp2_session_mem_recv2(session, data, NGHTTP2_FRAME_HDLEN + 51)); assert_int32(769, ==, session->consumed_size); assert_int32(769, ==, stream->consumed_size); assert_int32(1122, ==, session->recv_window_size); assert_int32(1122, ==, stream->recv_window_size); /* 357 - 51 = 306 bytes left */ assert_ptrdiff(306, ==, nghttp2_session_mem_recv2(session, data, 306)); assert_int32(1024, ==, session->consumed_size); assert_int32(1024, ==, stream->consumed_size); assert_int32(1428, ==, session->recv_window_size); assert_int32(1428, ==, stream->recv_window_size); nghttp2_session_del(session); } void test_nghttp2_session_data_read_temporal_failure(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; nghttp2_data_provider2 data_prd; nghttp2_frame frame; nghttp2_stream *stream; size_t data_size = 128 * 1024; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_frame_send_callback = on_frame_send_callback; data_prd.read_callback = fixed_length_data_source_read_callback; ud.data_source_length = data_size; /* Initial window size is 64KiB - 1 */ nghttp2_session_client_new(&session, &callbacks, &ud); nghttp2_submit_request2(session, NULL, NULL, 0, &data_prd, NULL); /* Sends NGHTTP2_INITIAL_WINDOW_SIZE data, assuming, it is equal to or smaller than NGHTTP2_INITIAL_CONNECTION_WINDOW_SIZE */ assert_int(0, ==, nghttp2_session_send(session)); assert_size(data_size - NGHTTP2_INITIAL_WINDOW_SIZE, ==, ud.data_source_length); stream = nghttp2_session_get_stream(session, 1); assert_uint8(NGHTTP2_DATA, ==, stream->item->frame.hd.type); stream->item->aux_data.data.dpw.data_prd.v1.read_callback = temporal_failure_data_source_read_callback; /* Back NGHTTP2_INITIAL_WINDOW_SIZE to both connection-level and stream-wise window */ nghttp2_frame_window_update_init(&frame.window_update, NGHTTP2_FLAG_NONE, 1, NGHTTP2_INITIAL_WINDOW_SIZE); nghttp2_session_on_window_update_received(session, &frame); frame.hd.stream_id = 0; nghttp2_session_on_window_update_received(session, &frame); nghttp2_frame_window_update_free(&frame.window_update); /* Sending data will fail (soft fail) and treated as stream error */ ud.frame_send_cb_called = 0; assert_int(0, ==, nghttp2_session_send(session)); assert_size(data_size - NGHTTP2_INITIAL_WINDOW_SIZE, ==, ud.data_source_length); assert_int(1, ==, ud.frame_send_cb_called); assert_uint8(NGHTTP2_RST_STREAM, ==, ud.sent_frame_type); data_prd.read_callback = fail_data_source_read_callback; nghttp2_submit_request2(session, NULL, NULL, 0, &data_prd, NULL); /* Sending data will fail (hard fail) and session tear down */ assert_int(NGHTTP2_ERR_CALLBACK_FAILURE, ==, nghttp2_session_send(session)); nghttp2_session_del(session); } void test_nghttp2_session_on_stream_close(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data user_data; nghttp2_stream *stream; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_stream_close_callback = on_stream_close_callback; user_data.stream_close_cb_called = 0; nghttp2_session_client_new(&session, &callbacks, &user_data); stream = open_sent_stream3(session, 1, NGHTTP2_STREAM_FLAG_NONE, &pri_spec_default, NGHTTP2_STREAM_OPENED, &user_data); assert_not_null(stream); assert_int(0, ==, nghttp2_session_close_stream(session, 1, NGHTTP2_NO_ERROR)); assert_int(1, ==, user_data.stream_close_cb_called); nghttp2_session_del(session); } void test_nghttp2_session_on_ctrl_not_send(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data user_data; nghttp2_stream *stream; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_frame_not_send_callback = on_frame_not_send_callback; callbacks.send_callback2 = null_send_callback; user_data.frame_not_send_cb_called = 0; user_data.not_sent_frame_type = 0; user_data.not_sent_error = 0; nghttp2_session_server_new(&session, &callbacks, &user_data); stream = open_recv_stream3(session, 1, NGHTTP2_STREAM_FLAG_NONE, &pri_spec_default, NGHTTP2_STREAM_OPENING, &user_data); /* Check response HEADERS */ /* Send bogus stream ID */ assert_int32(0, ==, nghttp2_submit_headers(session, NGHTTP2_FLAG_END_STREAM, 3, NULL, NULL, 0, NULL)); assert_int(0, ==, nghttp2_session_send(session)); assert_int(1, ==, user_data.frame_not_send_cb_called); assert_uint8(NGHTTP2_HEADERS, ==, user_data.not_sent_frame_type); assert_int(NGHTTP2_ERR_STREAM_CLOSED, ==, user_data.not_sent_error); user_data.frame_not_send_cb_called = 0; /* Shutdown transmission */ stream->shut_flags |= NGHTTP2_SHUT_WR; assert_int32(0, ==, nghttp2_submit_headers(session, NGHTTP2_FLAG_END_STREAM, 1, NULL, NULL, 0, NULL)); assert_int(0, ==, nghttp2_session_send(session)); assert_int(1, ==, user_data.frame_not_send_cb_called); assert_uint8(NGHTTP2_HEADERS, ==, user_data.not_sent_frame_type); assert_int(NGHTTP2_ERR_STREAM_SHUT_WR, ==, user_data.not_sent_error); stream->shut_flags = NGHTTP2_SHUT_NONE; user_data.frame_not_send_cb_called = 0; /* Queue RST_STREAM */ assert_int32(0, ==, nghttp2_submit_headers(session, NGHTTP2_FLAG_END_STREAM, 1, NULL, NULL, 0, NULL)); assert_int(0, ==, nghttp2_submit_rst_stream(session, NGHTTP2_FLAG_NONE, 1, NGHTTP2_INTERNAL_ERROR)); assert_int(0, ==, nghttp2_session_send(session)); assert_int(1, ==, user_data.frame_not_send_cb_called); assert_uint8(NGHTTP2_HEADERS, ==, user_data.not_sent_frame_type); assert_int(NGHTTP2_ERR_STREAM_CLOSING, ==, user_data.not_sent_error); nghttp2_session_del(session); /* Check request HEADERS */ user_data.frame_not_send_cb_called = 0; assert_int(0, ==, nghttp2_session_client_new(&session, &callbacks, &user_data)); /* Maximum Stream ID is reached */ session->next_stream_id = (1u << 31) + 1; assert_int32(NGHTTP2_ERR_STREAM_ID_NOT_AVAILABLE, ==, nghttp2_submit_headers(session, NGHTTP2_FLAG_END_STREAM, -1, NULL, NULL, 0, NULL)); user_data.frame_not_send_cb_called = 0; /* GOAWAY received */ session->goaway_flags |= NGHTTP2_GOAWAY_RECV; session->next_stream_id = 9; assert_int32(0, <, nghttp2_submit_headers(session, NGHTTP2_FLAG_END_STREAM, -1, NULL, NULL, 0, NULL)); assert_int(0, ==, nghttp2_session_send(session)); assert_int(1, ==, user_data.frame_not_send_cb_called); assert_uint8(NGHTTP2_HEADERS, ==, user_data.not_sent_frame_type); assert_int(NGHTTP2_ERR_START_STREAM_NOT_ALLOWED, ==, user_data.not_sent_error); nghttp2_session_del(session); } void test_nghttp2_session_get_outbound_queue_size(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); assert_int(0, ==, nghttp2_session_client_new(&session, &callbacks, NULL)); assert_size(0, ==, nghttp2_session_get_outbound_queue_size(session)); assert_int(0, ==, nghttp2_submit_ping(session, NGHTTP2_FLAG_NONE, NULL)); assert_size(1, ==, nghttp2_session_get_outbound_queue_size(session)); assert_int(0, ==, nghttp2_submit_goaway(session, NGHTTP2_FLAG_NONE, 2, NGHTTP2_NO_ERROR, NULL, 0)); assert_size(2, ==, nghttp2_session_get_outbound_queue_size(session)); nghttp2_session_del(session); } void test_nghttp2_session_get_effective_local_window_size(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_stream *stream; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); assert_int(0, ==, nghttp2_session_client_new(&session, &callbacks, NULL)); stream = open_sent_stream(session, 1); assert_int32(NGHTTP2_INITIAL_CONNECTION_WINDOW_SIZE, ==, nghttp2_session_get_effective_local_window_size(session)); assert_int32(0, ==, nghttp2_session_get_effective_recv_data_length(session)); assert_int32( NGHTTP2_INITIAL_WINDOW_SIZE, ==, nghttp2_session_get_stream_effective_local_window_size(session, 1)); assert_int32( 0, ==, nghttp2_session_get_stream_effective_recv_data_length(session, 1)); /* Check connection flow control */ session->recv_window_size = 100; nghttp2_submit_window_update(session, NGHTTP2_FLAG_NONE, 0, 1100); assert_int32(NGHTTP2_INITIAL_CONNECTION_WINDOW_SIZE + 1000, ==, nghttp2_session_get_effective_local_window_size(session)); assert_int32(NGHTTP2_INITIAL_CONNECTION_WINDOW_SIZE + 1000, ==, nghttp2_session_get_local_window_size(session)); assert_int32(0, ==, nghttp2_session_get_effective_recv_data_length(session)); nghttp2_submit_window_update(session, NGHTTP2_FLAG_NONE, 0, -50); /* Now session->recv_window_size = -50 */ assert_int32(-50, ==, session->recv_window_size); assert_int32(50, ==, session->recv_reduction); assert_int32(NGHTTP2_INITIAL_CONNECTION_WINDOW_SIZE + 950, ==, nghttp2_session_get_effective_local_window_size(session)); assert_int32(NGHTTP2_INITIAL_CONNECTION_WINDOW_SIZE + 1000, ==, nghttp2_session_get_local_window_size(session)); assert_int32(0, ==, nghttp2_session_get_effective_recv_data_length(session)); session->recv_window_size += 50; /* Now session->recv_window_size = 0 */ assert_int32(NGHTTP2_INITIAL_CONNECTION_WINDOW_SIZE + 950, ==, nghttp2_session_get_local_window_size(session)); nghttp2_submit_window_update(session, NGHTTP2_FLAG_NONE, 0, 100); assert_int32(50, ==, session->recv_window_size); assert_int32(0, ==, session->recv_reduction); assert_int32(NGHTTP2_INITIAL_CONNECTION_WINDOW_SIZE + 1050, ==, nghttp2_session_get_effective_local_window_size(session)); assert_int32(NGHTTP2_INITIAL_CONNECTION_WINDOW_SIZE + 1000, ==, nghttp2_session_get_local_window_size(session)); assert_int32(50, ==, nghttp2_session_get_effective_recv_data_length(session)); /* Check stream flow control */ stream->recv_window_size = 100; nghttp2_submit_window_update(session, NGHTTP2_FLAG_NONE, 1, 1100); assert_int32( NGHTTP2_INITIAL_WINDOW_SIZE + 1000, ==, nghttp2_session_get_stream_effective_local_window_size(session, 1)); assert_int32(NGHTTP2_INITIAL_WINDOW_SIZE + 1000, ==, nghttp2_session_get_stream_local_window_size(session, 1)); assert_int32( 0, ==, nghttp2_session_get_stream_effective_recv_data_length(session, 1)); nghttp2_submit_window_update(session, NGHTTP2_FLAG_NONE, 1, -50); /* Now stream->recv_window_size = -50 */ assert_int32( NGHTTP2_INITIAL_WINDOW_SIZE + 950, ==, nghttp2_session_get_stream_effective_local_window_size(session, 1)); assert_int32(NGHTTP2_INITIAL_WINDOW_SIZE + 1000, ==, nghttp2_session_get_stream_local_window_size(session, 1)); assert_int32( 0, ==, nghttp2_session_get_stream_effective_recv_data_length(session, 1)); stream->recv_window_size += 50; /* Now stream->recv_window_size = 0 */ nghttp2_submit_window_update(session, NGHTTP2_FLAG_NONE, 1, 100); assert_int32( NGHTTP2_INITIAL_WINDOW_SIZE + 1050, ==, nghttp2_session_get_stream_effective_local_window_size(session, 1)); assert_int32(NGHTTP2_INITIAL_WINDOW_SIZE + 1000, ==, nghttp2_session_get_stream_local_window_size(session, 1)); assert_int32( 50, ==, nghttp2_session_get_stream_effective_recv_data_length(session, 1)); nghttp2_session_del(session); } void test_nghttp2_session_set_option(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_option *option; nghttp2_hd_deflater *deflater; int rv; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; /* Test for nghttp2_option_set_no_auto_window_update */ nghttp2_option_new(&option); nghttp2_option_set_no_auto_window_update(option, 1); nghttp2_session_client_new2(&session, &callbacks, NULL, option); assert_true(session->opt_flags & NGHTTP2_OPTMASK_NO_AUTO_WINDOW_UPDATE); nghttp2_session_del(session); nghttp2_option_del(option); /* Test for nghttp2_option_set_peer_max_concurrent_streams */ nghttp2_option_new(&option); nghttp2_option_set_peer_max_concurrent_streams(option, 100); nghttp2_session_client_new2(&session, &callbacks, NULL, option); assert_uint32(100, ==, session->remote_settings.max_concurrent_streams); nghttp2_session_del(session); nghttp2_option_del(option); /* Test for nghttp2_option_set_max_reserved_remote_streams */ nghttp2_option_new(&option); nghttp2_option_set_max_reserved_remote_streams(option, 99); nghttp2_session_client_new2(&session, &callbacks, NULL, option); assert_size(99, ==, session->max_incoming_reserved_streams); nghttp2_session_del(session); nghttp2_option_del(option); /* Test for nghttp2_option_set_no_auto_ping_ack */ nghttp2_option_new(&option); nghttp2_option_set_no_auto_ping_ack(option, 1); nghttp2_session_client_new2(&session, &callbacks, NULL, option); assert_true(session->opt_flags & NGHTTP2_OPTMASK_NO_AUTO_PING_ACK); nghttp2_session_del(session); nghttp2_option_del(option); /* Test for nghttp2_option_set_max_deflate_dynamic_table_size */ nghttp2_option_new(&option); nghttp2_option_set_max_deflate_dynamic_table_size(option, 0); nghttp2_session_client_new2(&session, &callbacks, NULL, option); deflater = &session->hd_deflater; rv = nghttp2_submit_request2(session, NULL, reqnv, ARRLEN(reqnv), NULL, NULL); assert_int(1, ==, rv); rv = nghttp2_session_send(session); assert_int(0, ==, rv); assert_size(0, ==, deflater->deflate_hd_table_bufsize_max); assert_size(0, ==, deflater->ctx.hd_table_bufsize); nghttp2_session_del(session); nghttp2_option_del(option); } void test_nghttp2_session_data_backoff_by_high_pri_frame(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; nghttp2_data_provider2 data_prd; nghttp2_stream *stream; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = block_count_send_callback; callbacks.on_frame_send_callback = on_frame_send_callback; data_prd.read_callback = fixed_length_data_source_read_callback; ud.frame_send_cb_called = 0; ud.data_source_length = NGHTTP2_DATA_PAYLOADLEN * 4; nghttp2_session_client_new(&session, &callbacks, &ud); nghttp2_submit_request2(session, NULL, NULL, 0, &data_prd, NULL); session->remote_window_size = 1 << 20; ud.block_count = 2; /* Sends request HEADERS + DATA[0] */ assert_int(0, ==, nghttp2_session_send(session)); stream = nghttp2_session_get_stream(session, 1); stream->remote_window_size = 1 << 20; assert_uint8(NGHTTP2_DATA, ==, ud.sent_frame_type); /* data for DATA[1] is read from data_prd but it is not sent */ assert_size(ud.data_source_length, ==, NGHTTP2_DATA_PAYLOADLEN * 2); nghttp2_submit_ping(session, NGHTTP2_FLAG_NONE, NULL); ud.block_count = 2; /* Sends DATA[1] + PING, PING is interleaved in DATA sequence */ assert_int(0, ==, nghttp2_session_send(session)); assert_uint8(NGHTTP2_PING, ==, ud.sent_frame_type); /* data for DATA[2] is read from data_prd but it is not sent */ assert_size(ud.data_source_length, ==, NGHTTP2_DATA_PAYLOADLEN); ud.block_count = 2; /* Sends DATA[2..3] */ assert_int(0, ==, nghttp2_session_send(session)); assert_true(stream->shut_flags & NGHTTP2_SHUT_WR); nghttp2_session_del(session); } static void check_session_recv_data_with_padding(nghttp2_bufs *bufs, size_t datalen, nghttp2_mem *mem) { nghttp2_session *session; my_user_data ud; nghttp2_session_callbacks callbacks; uint8_t *in; size_t inlen; memset(&callbacks, 0, sizeof(callbacks)); callbacks.on_frame_recv_callback = on_frame_recv_callback; callbacks.on_data_chunk_recv_callback = on_data_chunk_recv_callback; nghttp2_session_server_new(&session, &callbacks, &ud); open_recv_stream(session, 1); inlen = (size_t)nghttp2_bufs_remove(bufs, &in); ud.frame_recv_cb_called = 0; ud.data_chunk_len = 0; assert_ptrdiff((nghttp2_ssize)inlen, ==, nghttp2_session_mem_recv2(session, in, inlen)); assert_int(1, ==, ud.frame_recv_cb_called); assert_size(datalen, ==, ud.data_chunk_len); mem->free(in, NULL); nghttp2_session_del(session); } void test_nghttp2_session_pack_data_with_padding(void) { nghttp2_session *session; my_user_data ud; nghttp2_session_callbacks callbacks; nghttp2_data_provider2 data_prd; nghttp2_frame *frame; size_t datalen = 55; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(callbacks)); callbacks.send_callback2 = block_count_send_callback; callbacks.on_frame_send_callback = on_frame_send_callback; callbacks.select_padding_callback2 = select_padding_callback; data_prd.read_callback = fixed_length_data_source_read_callback; nghttp2_session_client_new(&session, &callbacks, &ud); ud.padlen = 63; nghttp2_submit_request2(session, NULL, NULL, 0, &data_prd, NULL); ud.block_count = 1; ud.data_source_length = datalen; /* Sends HEADERS */ assert_int(0, ==, nghttp2_session_send(session)); assert_uint8(NGHTTP2_HEADERS, ==, ud.sent_frame_type); frame = &session->aob.item->frame; assert_size(ud.padlen, ==, frame->data.padlen); assert_true(frame->hd.flags & NGHTTP2_FLAG_PADDED); /* Check reception of this DATA frame */ check_session_recv_data_with_padding(&session->aob.framebufs, datalen, mem); nghttp2_session_del(session); } void test_nghttp2_session_pack_headers_with_padding(void) { nghttp2_session *session, *sv_session; accumulator acc; my_user_data ud; nghttp2_session_callbacks callbacks; memset(&callbacks, 0, sizeof(callbacks)); callbacks.send_callback2 = accumulator_send_callback; callbacks.on_frame_send_callback = on_frame_send_callback; callbacks.select_padding_callback2 = select_padding_callback; callbacks.on_frame_recv_callback = on_frame_recv_callback; acc.length = 0; ud.acc = &acc; nghttp2_session_client_new(&session, &callbacks, &ud); nghttp2_session_server_new(&sv_session, &callbacks, &ud); ud.padlen = 163; assert_int32( 1, ==, nghttp2_submit_request2(session, NULL, reqnv, ARRLEN(reqnv), NULL, NULL)); assert_int(0, ==, nghttp2_session_send(session)); assert_size(NGHTTP2_MAX_PAYLOADLEN, >, acc.length); ud.frame_recv_cb_called = 0; assert_ptrdiff((nghttp2_ssize)acc.length, ==, nghttp2_session_mem_recv2(sv_session, acc.buf, acc.length)); assert_int(1, ==, ud.frame_recv_cb_called); assert_null(nghttp2_session_get_next_ob_item(sv_session)); nghttp2_session_del(sv_session); nghttp2_session_del(session); } void test_nghttp2_pack_settings_payload(void) { nghttp2_settings_entry iv[2]; uint8_t buf[64]; nghttp2_ssize len; nghttp2_settings_entry *resiv; size_t resniv; nghttp2_mem *mem; mem = nghttp2_mem_default(); iv[0].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE; iv[0].value = 1023; iv[1].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE; iv[1].value = 4095; len = nghttp2_pack_settings_payload2(buf, sizeof(buf), iv, 2); assert_ptrdiff(2 * NGHTTP2_FRAME_SETTINGS_ENTRY_LENGTH, ==, len); assert_int(0, ==, nghttp2_frame_unpack_settings_payload2(&resiv, &resniv, buf, (size_t)len, mem)); assert_size(2, ==, resniv); assert_int32(NGHTTP2_SETTINGS_HEADER_TABLE_SIZE, ==, resiv[0].settings_id); assert_uint32(1023, ==, resiv[0].value); assert_int32(NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE, ==, resiv[1].settings_id); assert_uint32(4095, ==, resiv[1].value); mem->free(resiv, NULL); len = nghttp2_pack_settings_payload2(buf, 9 /* too small */, iv, 2); assert_ptrdiff(NGHTTP2_ERR_INSUFF_BUFSIZE, ==, len); } #define check_stream_dep_sib(STREAM, DEP_PREV, DEP_NEXT, SIB_PREV, SIB_NEXT) \ do { \ assert_ptr_equal(DEP_PREV, STREAM->dep_prev); \ assert_ptr_equal(DEP_NEXT, STREAM->dep_next); \ assert_ptr_equal(SIB_PREV, STREAM->sib_prev); \ assert_ptr_equal(SIB_NEXT, STREAM->sib_next); \ } while (0) /* nghttp2_stream_dep_add() and its families functions should be tested in nghttp2_stream_test.c, but it is easier to use nghttp2_session_open_stream(). Therefore, we test them here. */ void test_nghttp2_session_stream_dep_add(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_stream *a, *b, *c, *d, *e, *root; memset(&callbacks, 0, sizeof(callbacks)); nghttp2_session_server_new(&session, &callbacks, NULL); root = &session->root; a = open_stream(session, 1); c = open_stream_with_dep(session, 5, a); b = open_stream_with_dep(session, 3, a); d = open_stream_with_dep(session, 7, c); /* a * | * b--c * | * d */ assert_int32(NGHTTP2_DEFAULT_WEIGHT * 2, ==, a->sum_dep_weight); assert_int32(0, ==, b->sum_dep_weight); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, c->sum_dep_weight); assert_int32(0, ==, d->sum_dep_weight); check_stream_dep_sib(a, root, b, NULL, NULL); check_stream_dep_sib(b, a, NULL, NULL, c); check_stream_dep_sib(c, a, d, b, NULL); check_stream_dep_sib(d, c, NULL, NULL, NULL); assert_ptr_equal(a, session->root.dep_next); e = open_stream_with_dep_excl(session, 9, a); /* a * | * e * | * b--c * | * d */ assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, a->sum_dep_weight); assert_int32(NGHTTP2_DEFAULT_WEIGHT * 2, ==, e->sum_dep_weight); assert_int32(0, ==, b->sum_dep_weight); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, c->sum_dep_weight); assert_int32(0, ==, d->sum_dep_weight); check_stream_dep_sib(a, root, e, NULL, NULL); check_stream_dep_sib(e, a, b, NULL, NULL); check_stream_dep_sib(b, e, NULL, NULL, c); check_stream_dep_sib(c, e, d, b, NULL); check_stream_dep_sib(d, c, NULL, NULL, NULL); assert_ptr_equal(a, session->root.dep_next); nghttp2_session_del(session); } void test_nghttp2_session_stream_dep_remove(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_stream *a, *b, *c, *d, *e, *f, *root; memset(&callbacks, 0, sizeof(callbacks)); /* Remove root */ nghttp2_session_server_new(&session, &callbacks, NULL); root = &session->root; a = open_stream(session, 1); b = open_stream_with_dep(session, 3, a); c = open_stream_with_dep(session, 5, a); d = open_stream_with_dep(session, 7, c); /* a * | * c--b * | * d */ nghttp2_stream_dep_remove(a); /* becomes: * c b * | * d */ assert_int32(0, ==, a->sum_dep_weight); assert_int32(0, ==, b->sum_dep_weight); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, c->sum_dep_weight); assert_int32(0, ==, d->sum_dep_weight); check_stream_dep_sib(a, NULL, NULL, NULL, NULL); check_stream_dep_sib(b, root, NULL, c, NULL); check_stream_dep_sib(c, root, d, NULL, b); check_stream_dep_sib(d, c, NULL, NULL, NULL); assert_ptr_equal(c, session->root.dep_next); nghttp2_session_del(session); /* Remove right most stream */ nghttp2_session_server_new(&session, &callbacks, NULL); root = &session->root; a = open_stream(session, 1); b = open_stream_with_dep(session, 3, a); c = open_stream_with_dep(session, 5, a); d = open_stream_with_dep(session, 7, c); /* a * | * c--b * | * d */ nghttp2_stream_dep_remove(b); /* becomes: * a * | * c * | * d */ assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, a->sum_dep_weight); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, c->sum_dep_weight); assert_int32(0, ==, d->sum_dep_weight); assert_int32(0, ==, b->sum_dep_weight); check_stream_dep_sib(a, root, c, NULL, NULL); check_stream_dep_sib(b, NULL, NULL, NULL, NULL); check_stream_dep_sib(c, a, d, NULL, NULL); check_stream_dep_sib(d, c, NULL, NULL, NULL); assert_ptr_equal(a, session->root.dep_next); nghttp2_session_del(session); /* Remove left most stream */ nghttp2_session_server_new(&session, &callbacks, NULL); root = &session->root; a = open_stream(session, 1); b = open_stream_with_dep(session, 3, a); c = open_stream_with_dep(session, 5, a); d = open_stream_with_dep(session, 7, c); e = open_stream_with_dep(session, 9, c); /* a * | * c--b * | * e--d */ nghttp2_stream_dep_remove(c); /* becomes: * a * | * e--d--b */ assert_int32(NGHTTP2_DEFAULT_WEIGHT * 2, ==, a->sum_dep_weight); assert_int32(0, ==, b->sum_dep_weight); assert_int32(0, ==, d->sum_dep_weight); assert_int32(0, ==, c->sum_dep_weight); assert_int32(0, ==, e->sum_dep_weight); check_stream_dep_sib(a, root, e, NULL, NULL); check_stream_dep_sib(b, a, NULL, d, NULL); check_stream_dep_sib(c, NULL, NULL, NULL, NULL); check_stream_dep_sib(d, a, NULL, e, b); check_stream_dep_sib(e, a, NULL, NULL, d); nghttp2_session_del(session); /* Remove middle stream */ nghttp2_session_server_new(&session, &callbacks, NULL); root = &session->root; a = open_stream(session, 1); b = open_stream_with_dep(session, 3, a); c = open_stream_with_dep(session, 5, a); d = open_stream_with_dep(session, 7, a); e = open_stream_with_dep(session, 9, c); f = open_stream_with_dep(session, 11, c); /* a * | * d--c--b * | * f--e */ assert_int32(NGHTTP2_DEFAULT_WEIGHT * 3, ==, a->sum_dep_weight); assert_int32(0, ==, b->sum_dep_weight); assert_int32(NGHTTP2_DEFAULT_WEIGHT * 2, ==, c->sum_dep_weight); assert_int32(0, ==, d->sum_dep_weight); assert_int32(0, ==, e->sum_dep_weight); assert_int32(0, ==, f->sum_dep_weight); nghttp2_stream_dep_remove(c); /* becomes: * a * | * d--f--e--b */ /* c's weight 16 is distributed evenly to e and f. Each weight of e and f becomes 8. */ assert_int32(NGHTTP2_DEFAULT_WEIGHT * 2 + 8 * 2, ==, a->sum_dep_weight); assert_int32(0, ==, b->sum_dep_weight); assert_int32(0, ==, c->sum_dep_weight); assert_int32(0, ==, d->sum_dep_weight); assert_int32(0, ==, e->sum_dep_weight); assert_int32(0, ==, f->sum_dep_weight); check_stream_dep_sib(a, root, d, NULL, NULL); check_stream_dep_sib(b, a, NULL, e, NULL); check_stream_dep_sib(c, NULL, NULL, NULL, NULL); check_stream_dep_sib(e, a, NULL, f, b); check_stream_dep_sib(f, a, NULL, d, e); check_stream_dep_sib(d, a, NULL, NULL, f); nghttp2_session_del(session); } void test_nghttp2_session_stream_dep_add_subtree(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_stream *a, *b, *c, *d, *e, *f, *root; memset(&callbacks, 0, sizeof(callbacks)); /* dep_stream has dep_next */ nghttp2_session_server_new(&session, &callbacks, NULL); root = &session->root; a = open_stream(session, 1); b = open_stream_with_dep(session, 3, a); c = open_stream_with_dep(session, 5, a); d = open_stream_with_dep(session, 7, c); e = open_stream(session, 9); f = open_stream_with_dep(session, 11, e); /* a e * | | * c--b f * | * d */ nghttp2_stream_dep_remove_subtree(e); nghttp2_stream_dep_add_subtree(a, e); /* becomes * a * | * e--c--b * | | * f d */ assert_int32(NGHTTP2_DEFAULT_WEIGHT * 3, ==, a->sum_dep_weight); assert_int32(0, ==, b->sum_dep_weight); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, c->sum_dep_weight); assert_int32(0, ==, d->sum_dep_weight); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, e->sum_dep_weight); assert_int32(0, ==, f->sum_dep_weight); check_stream_dep_sib(a, root, e, NULL, NULL); check_stream_dep_sib(b, a, NULL, c, NULL); check_stream_dep_sib(c, a, d, e, b); check_stream_dep_sib(d, c, NULL, NULL, NULL); check_stream_dep_sib(e, a, f, NULL, c); check_stream_dep_sib(f, e, NULL, NULL, NULL); nghttp2_session_del(session); /* dep_stream has dep_next and now we insert subtree */ nghttp2_session_server_new(&session, &callbacks, NULL); root = &session->root; a = open_stream(session, 1); b = open_stream_with_dep(session, 3, a); c = open_stream_with_dep(session, 5, a); d = open_stream_with_dep(session, 7, c); e = open_stream(session, 9); f = open_stream_with_dep(session, 11, e); /* a e * | | * c--b f * | * d */ nghttp2_stream_dep_remove_subtree(e); nghttp2_stream_dep_insert_subtree(a, e); /* becomes * a * | * e * | * f--c--b * | * d */ assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, a->sum_dep_weight); assert_int32(0, ==, b->sum_dep_weight); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, c->sum_dep_weight); assert_int32(0, ==, d->sum_dep_weight); assert_int32(NGHTTP2_DEFAULT_WEIGHT * 3, ==, e->sum_dep_weight); assert_int32(0, ==, f->sum_dep_weight); check_stream_dep_sib(a, root, e, NULL, NULL); check_stream_dep_sib(e, a, f, NULL, NULL); check_stream_dep_sib(f, e, NULL, NULL, c); check_stream_dep_sib(b, e, NULL, c, NULL); check_stream_dep_sib(c, e, d, f, b); check_stream_dep_sib(d, c, NULL, NULL, NULL); nghttp2_session_del(session); } void test_nghttp2_session_stream_dep_remove_subtree(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_stream *a, *b, *c, *d, *e, *root; memset(&callbacks, 0, sizeof(callbacks)); /* Remove left most stream */ nghttp2_session_server_new(&session, &callbacks, NULL); root = &session->root; a = open_stream(session, 1); b = open_stream_with_dep(session, 3, a); c = open_stream_with_dep(session, 5, a); d = open_stream_with_dep(session, 7, c); /* a * | * c--b * | * d */ nghttp2_stream_dep_remove_subtree(c); /* becomes * a c * | | * b d */ assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, a->sum_dep_weight); assert_int32(0, ==, b->sum_dep_weight); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, c->sum_dep_weight); assert_int32(0, ==, d->sum_dep_weight); check_stream_dep_sib(a, root, b, NULL, NULL); check_stream_dep_sib(b, a, NULL, NULL, NULL); check_stream_dep_sib(c, NULL, d, NULL, NULL); check_stream_dep_sib(d, c, NULL, NULL, NULL); nghttp2_session_del(session); /* Remove right most stream */ nghttp2_session_server_new(&session, &callbacks, NULL); root = &session->root; a = open_stream(session, 1); b = open_stream_with_dep(session, 3, a); c = open_stream_with_dep(session, 5, a); d = open_stream_with_dep(session, 7, c); /* a * | * c--b * | * d */ nghttp2_stream_dep_remove_subtree(b); /* becomes * a b * | * c * | * d */ assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, a->sum_dep_weight); assert_int32(0, ==, b->sum_dep_weight); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, c->sum_dep_weight); assert_int32(0, ==, d->sum_dep_weight); check_stream_dep_sib(a, root, c, NULL, NULL); check_stream_dep_sib(c, a, d, NULL, NULL); check_stream_dep_sib(d, c, NULL, NULL, NULL); check_stream_dep_sib(b, NULL, NULL, NULL, NULL); nghttp2_session_del(session); /* Remove middle stream */ nghttp2_session_server_new(&session, &callbacks, NULL); root = &session->root; a = open_stream(session, 1); e = open_stream_with_dep(session, 9, a); c = open_stream_with_dep(session, 5, a); b = open_stream_with_dep(session, 3, a); d = open_stream_with_dep(session, 7, c); /* a * | * b--c--e * | * d */ nghttp2_stream_dep_remove_subtree(c); /* becomes * a c * | | * b--e d */ assert_int32(NGHTTP2_DEFAULT_WEIGHT * 2, ==, a->sum_dep_weight); assert_int32(0, ==, b->sum_dep_weight); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, c->sum_dep_weight); assert_int32(0, ==, d->sum_dep_weight); assert_int32(0, ==, e->sum_dep_weight); check_stream_dep_sib(a, root, b, NULL, NULL); check_stream_dep_sib(b, a, NULL, NULL, e); check_stream_dep_sib(e, a, NULL, b, NULL); check_stream_dep_sib(c, NULL, d, NULL, NULL); check_stream_dep_sib(d, c, NULL, NULL, NULL); nghttp2_session_del(session); } void test_nghttp2_session_stream_dep_all_your_stream_are_belong_to_us(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_stream *a, *b, *c, *d, *root; nghttp2_outbound_item *db, *dc; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(callbacks)); nghttp2_session_server_new(&session, &callbacks, NULL); root = &session->root; a = open_stream(session, 1); b = open_stream_with_dep(session, 3, a); c = open_stream(session, 5); /* a c * | * b */ nghttp2_stream_dep_remove_subtree(c); assert_int(0, ==, nghttp2_stream_dep_insert_subtree(&session->root, c)); /* * c * | * a * | * b */ assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, c->sum_dep_weight); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, a->sum_dep_weight); assert_int32(0, ==, b->sum_dep_weight); assert_true(nghttp2_pq_empty(&a->obq)); assert_true(nghttp2_pq_empty(&b->obq)); assert_true(nghttp2_pq_empty(&c->obq)); check_stream_dep_sib(c, root, a, NULL, NULL); check_stream_dep_sib(a, c, b, NULL, NULL); check_stream_dep_sib(b, a, NULL, NULL, NULL); nghttp2_session_del(session); nghttp2_session_server_new(&session, &callbacks, NULL); root = &session->root; a = open_stream(session, 1); b = open_stream(session, 3); c = open_stream(session, 5); /* * a b c */ nghttp2_stream_dep_remove_subtree(c); assert_int(0, ==, nghttp2_stream_dep_insert_subtree(&session->root, c)); /* * c * | * b--a */ assert_int32(NGHTTP2_DEFAULT_WEIGHT * 2, ==, c->sum_dep_weight); assert_int32(0, ==, b->sum_dep_weight); assert_int32(0, ==, a->sum_dep_weight); assert_true(nghttp2_pq_empty(&a->obq)); assert_true(nghttp2_pq_empty(&b->obq)); assert_true(nghttp2_pq_empty(&c->obq)); check_stream_dep_sib(c, root, b, NULL, NULL); check_stream_dep_sib(b, c, NULL, NULL, a); check_stream_dep_sib(a, c, NULL, b, NULL); nghttp2_session_del(session); nghttp2_session_server_new(&session, &callbacks, NULL); root = &session->root; a = open_stream(session, 1); b = open_stream_with_dep(session, 3, a); c = open_stream(session, 5); d = open_stream_with_dep(session, 7, c); /* a c * | | * b d */ nghttp2_stream_dep_remove_subtree(c); assert_int(0, ==, nghttp2_stream_dep_insert_subtree(&session->root, c)); /* * c * | * d--a * | * b */ assert_int32(NGHTTP2_DEFAULT_WEIGHT * 2, ==, c->sum_dep_weight); assert_int32(0, ==, d->sum_dep_weight); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, a->sum_dep_weight); assert_int32(0, ==, b->sum_dep_weight); assert_true(nghttp2_pq_empty(&a->obq)); assert_true(nghttp2_pq_empty(&b->obq)); assert_true(nghttp2_pq_empty(&c->obq)); assert_true(nghttp2_pq_empty(&d->obq)); check_stream_dep_sib(c, root, d, NULL, NULL); check_stream_dep_sib(d, c, NULL, NULL, a); check_stream_dep_sib(a, c, b, d, NULL); check_stream_dep_sib(b, a, NULL, NULL, NULL); nghttp2_session_del(session); nghttp2_session_server_new(&session, &callbacks, NULL); root = &session->root; a = open_stream(session, 1); b = open_stream_with_dep(session, 3, a); c = open_stream(session, 5); d = open_stream_with_dep(session, 7, c); /* a c * | | * b d */ db = create_data_ob_item(mem); nghttp2_stream_attach_item(b, db); nghttp2_stream_dep_remove_subtree(c); assert_int(0, ==, nghttp2_stream_dep_insert_subtree(&session->root, c)); /* * c * | * d--a * | * b */ assert_true(c->queued); assert_true(a->queued); assert_true(b->queued); assert_true(!d->queued); assert_size(1, ==, nghttp2_pq_size(&a->obq)); assert_size(1, ==, nghttp2_pq_size(&c->obq)); assert_true(nghttp2_pq_empty(&d->obq)); check_stream_dep_sib(c, root, d, NULL, NULL); check_stream_dep_sib(d, c, NULL, NULL, a); check_stream_dep_sib(a, c, b, d, NULL); check_stream_dep_sib(b, a, NULL, NULL, NULL); nghttp2_session_del(session); nghttp2_session_server_new(&session, &callbacks, NULL); root = &session->root; a = open_stream(session, 1); b = open_stream_with_dep(session, 3, a); c = open_stream(session, 5); d = open_stream_with_dep(session, 7, c); /* a c * | | * b d */ db = create_data_ob_item(mem); dc = create_data_ob_item(mem); nghttp2_stream_attach_item(b, db); nghttp2_stream_attach_item(c, dc); nghttp2_stream_dep_remove_subtree(c); assert_int(0, ==, nghttp2_stream_dep_insert_subtree(&session->root, c)); /* * c * | * d--a * | * b */ assert_true(c->queued); assert_true(a->queued); assert_true(b->queued); assert_true(!d->queued); check_stream_dep_sib(c, root, d, NULL, NULL); check_stream_dep_sib(d, c, NULL, NULL, a); check_stream_dep_sib(a, c, b, d, NULL); check_stream_dep_sib(b, a, NULL, NULL, NULL); nghttp2_session_del(session); } void test_nghttp2_session_stream_attach_item(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_stream *a, *b, *c, *d, *e; nghttp2_outbound_item *da, *db, *dc, *dd; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(callbacks)); nghttp2_session_server_new(&session, &callbacks, NULL); a = open_stream(session, 1); b = open_stream_with_dep(session, 3, a); c = open_stream_with_dep(session, 5, a); d = open_stream_with_dep(session, 7, c); /* a * | * c--b * | * d */ db = create_data_ob_item(mem); nghttp2_stream_attach_item(b, db); assert_true(a->queued); assert_true(b->queued); assert_true(!c->queued); assert_true(!d->queued); assert_size(1, ==, nghttp2_pq_size(&a->obq)); /* Attach item to c */ dc = create_data_ob_item(mem); nghttp2_stream_attach_item(c, dc); assert_true(a->queued); assert_true(b->queued); assert_true(c->queued); assert_true(!d->queued); assert_size(2, ==, nghttp2_pq_size(&a->obq)); /* Attach item to a */ da = create_data_ob_item(mem); nghttp2_stream_attach_item(a, da); assert_true(a->queued); assert_true(b->queued); assert_true(c->queued); assert_true(!d->queued); assert_size(2, ==, nghttp2_pq_size(&a->obq)); /* Detach item from a */ nghttp2_stream_detach_item(a); assert_true(a->queued); assert_true(b->queued); assert_true(c->queued); assert_true(!d->queued); assert_size(2, ==, nghttp2_pq_size(&a->obq)); /* Attach item to d */ dd = create_data_ob_item(mem); nghttp2_stream_attach_item(d, dd); assert_true(a->queued); assert_true(b->queued); assert_true(c->queued); assert_true(d->queued); assert_size(2, ==, nghttp2_pq_size(&a->obq)); assert_size(1, ==, nghttp2_pq_size(&c->obq)); /* Detach item from c */ nghttp2_stream_detach_item(c); assert_true(a->queued); assert_true(b->queued); assert_true(c->queued); assert_true(d->queued); assert_size(2, ==, nghttp2_pq_size(&a->obq)); assert_size(1, ==, nghttp2_pq_size(&c->obq)); /* Detach item from b */ nghttp2_stream_detach_item(b); assert_true(a->queued); assert_true(!b->queued); assert_true(c->queued); assert_true(d->queued); assert_size(1, ==, nghttp2_pq_size(&a->obq)); /* exercises insertion */ e = open_stream_with_dep_excl(session, 9, a); /* a * | * e * | * c--b * | * d */ assert_true(a->queued); assert_true(e->queued); assert_true(!b->queued); assert_true(c->queued); assert_true(d->queued); assert_size(1, ==, nghttp2_pq_size(&a->obq)); assert_size(1, ==, nghttp2_pq_size(&e->obq)); assert_true(nghttp2_pq_empty(&b->obq)); assert_size(1, ==, nghttp2_pq_size(&c->obq)); assert_true(nghttp2_pq_empty(&d->obq)); /* exercises deletion */ nghttp2_stream_dep_remove(e); /* a * | * c--b * | * d */ assert_true(a->queued); assert_true(!b->queued); assert_true(c->queued); assert_true(d->queued); assert_size(1, ==, nghttp2_pq_size(&a->obq)); assert_true(nghttp2_pq_empty(&b->obq)); assert_size(1, ==, nghttp2_pq_size(&c->obq)); assert_true(nghttp2_pq_empty(&d->obq)); /* e's weight 16 is distributed equally among c and b, both now have weight 8 each. */ assert_int32(8, ==, b->weight); assert_int32(8, ==, c->weight); /* da, db, dc have been detached */ nghttp2_outbound_item_free(da, mem); nghttp2_outbound_item_free(db, mem); nghttp2_outbound_item_free(dc, mem); free(da); free(db); free(dc); nghttp2_session_del(session); nghttp2_session_server_new(&session, &callbacks, NULL); a = open_stream(session, 1); b = open_stream_with_dep(session, 3, a); c = open_stream_with_dep(session, 5, a); d = open_stream_with_dep(session, 7, c); /* a * | * c--b * | * d */ da = create_data_ob_item(mem); db = create_data_ob_item(mem); dc = create_data_ob_item(mem); nghttp2_stream_attach_item(a, da); nghttp2_stream_attach_item(b, db); nghttp2_stream_attach_item(c, dc); assert_true(a->queued); assert_true(b->queued); assert_true(c->queued); assert_true(!d->queued); assert_size(2, ==, nghttp2_pq_size(&a->obq)); assert_true(nghttp2_pq_empty(&b->obq)); assert_true(nghttp2_pq_empty(&c->obq)); assert_true(nghttp2_pq_empty(&d->obq)); /* Detach item from a */ nghttp2_stream_detach_item(a); assert_true(a->queued); assert_true(b->queued); assert_true(c->queued); assert_true(!d->queued); assert_size(2, ==, nghttp2_pq_size(&a->obq)); assert_true(nghttp2_pq_empty(&b->obq)); assert_true(nghttp2_pq_empty(&c->obq)); assert_true(nghttp2_pq_empty(&d->obq)); /* da has been detached */ nghttp2_outbound_item_free(da, mem); free(da); nghttp2_session_del(session); } void test_nghttp2_session_stream_attach_item_subtree(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_stream *a, *b, *c, *d, *e, *f; nghttp2_outbound_item *da, *db, *dd, *de; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(callbacks)); nghttp2_session_server_new(&session, &callbacks, NULL); a = open_stream(session, 1); b = open_stream_with_dep(session, 3, a); c = open_stream_with_dep(session, 5, a); d = open_stream_with_dep(session, 7, c); e = open_stream_with_dep_weight(session, 9, 32, &session->root); f = open_stream_with_dep(session, 11, e); /* * a e * | | * c--b f * | * d */ de = create_data_ob_item(mem); nghttp2_stream_attach_item(e, de); db = create_data_ob_item(mem); nghttp2_stream_attach_item(b, db); assert_true(a->queued); assert_true(b->queued); assert_true(!c->queued); assert_true(!d->queued); assert_true(e->queued); assert_true(!f->queued); assert_size(1, ==, nghttp2_pq_size(&a->obq)); assert_true(nghttp2_pq_empty(&b->obq)); assert_true(nghttp2_pq_empty(&c->obq)); assert_true(nghttp2_pq_empty(&d->obq)); assert_true(nghttp2_pq_empty(&e->obq)); assert_true(nghttp2_pq_empty(&f->obq)); /* Insert subtree e under a */ nghttp2_stream_dep_remove_subtree(e); nghttp2_stream_dep_insert_subtree(a, e); /* * a * | * e * | * f--c--b * | * d */ assert_true(a->queued); assert_true(b->queued); assert_true(!c->queued); assert_true(!d->queued); assert_true(e->queued); assert_true(!f->queued); assert_size(1, ==, nghttp2_pq_size(&a->obq)); assert_true(nghttp2_pq_empty(&b->obq)); assert_true(nghttp2_pq_empty(&c->obq)); assert_true(nghttp2_pq_empty(&d->obq)); assert_size(1, ==, nghttp2_pq_size(&e->obq)); assert_true(nghttp2_pq_empty(&f->obq)); /* Remove subtree b */ nghttp2_stream_dep_remove_subtree(b); assert_int(0, ==, nghttp2_stream_dep_add_subtree(&session->root, b)); /* * a b * | * e * | * f--c * | * d */ assert_true(a->queued); assert_true(b->queued); assert_true(!c->queued); assert_true(!d->queued); assert_true(e->queued); assert_true(!f->queued); assert_size(1, ==, nghttp2_pq_size(&a->obq)); assert_true(nghttp2_pq_empty(&b->obq)); assert_true(nghttp2_pq_empty(&c->obq)); assert_true(nghttp2_pq_empty(&d->obq)); assert_true(nghttp2_pq_empty(&e->obq)); assert_true(nghttp2_pq_empty(&f->obq)); /* Remove subtree a, and add it to root again */ nghttp2_stream_dep_remove_subtree(a); assert_int(0, ==, nghttp2_stream_dep_add_subtree(&session->root, a)); assert_true(a->queued); assert_true(b->queued); assert_true(!c->queued); assert_true(!d->queued); assert_true(e->queued); assert_true(!f->queued); assert_size(1, ==, nghttp2_pq_size(&a->obq)); assert_true(nghttp2_pq_empty(&b->obq)); assert_true(nghttp2_pq_empty(&c->obq)); assert_true(nghttp2_pq_empty(&d->obq)); assert_true(nghttp2_pq_empty(&e->obq)); assert_true(nghttp2_pq_empty(&f->obq)); /* Remove subtree c */ nghttp2_stream_dep_remove_subtree(c); assert_int(0, ==, nghttp2_stream_dep_add_subtree(&session->root, c)); /* * a b c * | | * e d * | * f */ assert_true(a->queued); assert_true(b->queued); assert_true(!c->queued); assert_true(!d->queued); assert_true(e->queued); assert_true(!f->queued); assert_size(1, ==, nghttp2_pq_size(&a->obq)); assert_true(nghttp2_pq_empty(&b->obq)); assert_true(nghttp2_pq_empty(&c->obq)); assert_true(nghttp2_pq_empty(&d->obq)); assert_true(nghttp2_pq_empty(&e->obq)); assert_true(nghttp2_pq_empty(&f->obq)); dd = create_data_ob_item(mem); nghttp2_stream_attach_item(d, dd); /* Add subtree c to a */ nghttp2_stream_dep_remove_subtree(c); nghttp2_stream_dep_add_subtree(a, c); /* * a b * | * c--e * | | * d f */ assert_true(a->queued); assert_true(b->queued); assert_true(c->queued); assert_true(d->queued); assert_true(e->queued); assert_true(!f->queued); assert_size(2, ==, nghttp2_pq_size(&a->obq)); assert_true(nghttp2_pq_empty(&b->obq)); assert_size(1, ==, nghttp2_pq_size(&c->obq)); assert_true(nghttp2_pq_empty(&d->obq)); assert_true(nghttp2_pq_empty(&e->obq)); assert_true(nghttp2_pq_empty(&f->obq)); /* Insert b under a */ nghttp2_stream_dep_remove_subtree(b); nghttp2_stream_dep_insert_subtree(a, b); /* * a * | * b * | * c--e * | | * d f */ assert_true(a->queued); assert_true(b->queued); assert_true(c->queued); assert_true(d->queued); assert_true(e->queued); assert_true(!f->queued); assert_size(1, ==, nghttp2_pq_size(&a->obq)); assert_size(2, ==, nghttp2_pq_size(&b->obq)); assert_size(1, ==, nghttp2_pq_size(&c->obq)); assert_true(nghttp2_pq_empty(&d->obq)); assert_true(nghttp2_pq_empty(&e->obq)); assert_true(nghttp2_pq_empty(&f->obq)); /* Remove subtree b */ nghttp2_stream_dep_remove_subtree(b); assert_int(0, ==, nghttp2_stream_dep_add_subtree(&session->root, b)); /* * b a * | * e--c * | | * f d */ assert_true(!a->queued); assert_true(b->queued); assert_true(c->queued); assert_true(d->queued); assert_true(e->queued); assert_true(!f->queued); assert_true(nghttp2_pq_empty(&a->obq)); assert_size(2, ==, nghttp2_pq_size(&b->obq)); assert_size(1, ==, nghttp2_pq_size(&c->obq)); assert_true(nghttp2_pq_empty(&d->obq)); assert_true(nghttp2_pq_empty(&e->obq)); assert_true(nghttp2_pq_empty(&f->obq)); /* Remove subtree c, and detach item from b, and then re-add subtree c under b */ nghttp2_stream_dep_remove_subtree(c); nghttp2_stream_detach_item(b); nghttp2_stream_dep_add_subtree(b, c); /* * b a * | * e--c * | | * f d */ assert_true(!a->queued); assert_true(b->queued); assert_true(c->queued); assert_true(d->queued); assert_true(e->queued); assert_true(!f->queued); assert_true(nghttp2_pq_empty(&a->obq)); assert_size(2, ==, nghttp2_pq_size(&b->obq)); assert_size(1, ==, nghttp2_pq_size(&c->obq)); assert_true(nghttp2_pq_empty(&d->obq)); assert_true(nghttp2_pq_empty(&e->obq)); assert_true(nghttp2_pq_empty(&f->obq)); /* Attach data to a, and add subtree a under b */ da = create_data_ob_item(mem); nghttp2_stream_attach_item(a, da); nghttp2_stream_dep_remove_subtree(a); nghttp2_stream_dep_add_subtree(b, a); /* * b * | * a--e--c * | | * f d */ assert_true(a->queued); assert_true(b->queued); assert_true(c->queued); assert_true(d->queued); assert_true(e->queued); assert_true(!f->queued); assert_true(nghttp2_pq_empty(&a->obq)); assert_size(3, ==, nghttp2_pq_size(&b->obq)); assert_size(1, ==, nghttp2_pq_size(&c->obq)); assert_true(nghttp2_pq_empty(&d->obq)); assert_true(nghttp2_pq_empty(&e->obq)); assert_true(nghttp2_pq_empty(&f->obq)); /* Remove subtree c, and add under f */ nghttp2_stream_dep_remove_subtree(c); nghttp2_stream_dep_insert_subtree(f, c); /* * b * | * a--e * | * f * | * c * | * d */ assert_true(a->queued); assert_true(b->queued); assert_true(c->queued); assert_true(d->queued); assert_true(e->queued); assert_true(f->queued); assert_true(nghttp2_pq_empty(&a->obq)); assert_size(2, ==, nghttp2_pq_size(&b->obq)); assert_size(1, ==, nghttp2_pq_size(&c->obq)); assert_true(nghttp2_pq_empty(&d->obq)); assert_size(1, ==, nghttp2_pq_size(&e->obq)); assert_size(1, ==, nghttp2_pq_size(&f->obq)); /* db has been detached */ nghttp2_outbound_item_free(db, mem); free(db); nghttp2_session_del(session); } void test_nghttp2_session_stream_get_state(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_mem *mem; nghttp2_hd_deflater deflater; nghttp2_bufs bufs; nghttp2_buf *buf; nghttp2_stream *stream; nghttp2_ssize rv; nghttp2_data_provider2 data_prd; nghttp2_frame frame; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&data_prd, 0, sizeof(data_prd)); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_server_new(&session, &callbacks, NULL); nghttp2_hd_deflate_init(&deflater, mem); assert_enum( nghttp2_stream_proto_state, NGHTTP2_STREAM_STATE_IDLE, ==, nghttp2_stream_get_state(nghttp2_session_get_root_stream(session))); /* stream 1 HEADERS; without END_STREAM flag set */ pack_headers(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS, reqnv, ARRLEN(reqnv), mem); buf = &bufs.head->buf; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); stream = nghttp2_session_find_stream(session, 1); assert_not_null(stream); assert_int32(1, ==, stream->stream_id); assert_enum(nghttp2_stream_proto_state, NGHTTP2_STREAM_STATE_OPEN, ==, nghttp2_stream_get_state(stream)); nghttp2_bufs_reset(&bufs); /* stream 3 HEADERS; with END_STREAM flag set */ pack_headers(&bufs, &deflater, 3, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_END_STREAM, reqnv, ARRLEN(reqnv), mem); buf = &bufs.head->buf; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); stream = nghttp2_session_find_stream(session, 3); assert_not_null(stream); assert_int32(3, ==, stream->stream_id); assert_enum(nghttp2_stream_proto_state, NGHTTP2_STREAM_STATE_HALF_CLOSED_REMOTE, ==, nghttp2_stream_get_state(stream)); nghttp2_bufs_reset(&bufs); /* Respond to stream 1 */ nghttp2_submit_response2(session, 1, resnv, ARRLEN(resnv), NULL); rv = nghttp2_session_send(session); assert_ptrdiff(0, ==, rv); stream = nghttp2_session_find_stream(session, 1); assert_enum(nghttp2_stream_proto_state, NGHTTP2_STREAM_STATE_HALF_CLOSED_LOCAL, ==, nghttp2_stream_get_state(stream)); /* Respond to stream 3 */ nghttp2_submit_response2(session, 3, resnv, ARRLEN(resnv), NULL); rv = nghttp2_session_send(session); assert_ptrdiff(0, ==, rv); stream = nghttp2_session_find_stream(session, 3); assert_enum(nghttp2_stream_proto_state, NGHTTP2_STREAM_STATE_CLOSED, ==, nghttp2_stream_get_state(stream)); /* stream 5 HEADERS; with END_STREAM flag set */ pack_headers(&bufs, &deflater, 5, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_END_STREAM, reqnv, ARRLEN(reqnv), mem); buf = &bufs.head->buf; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); nghttp2_bufs_reset(&bufs); /* Push stream 2 associated to stream 5 */ rv = nghttp2_submit_push_promise(session, NGHTTP2_FLAG_NONE, 5, reqnv, ARRLEN(reqnv), NULL); assert_ptrdiff(2, ==, rv); rv = nghttp2_session_send(session); assert_ptrdiff(0, ==, rv); stream = nghttp2_session_find_stream(session, 2); assert_enum(nghttp2_stream_proto_state, NGHTTP2_STREAM_STATE_RESERVED_LOCAL, ==, nghttp2_stream_get_state(stream)); /* Send response to push stream 2 with END_STREAM set */ nghttp2_submit_response2(session, 2, resnv, ARRLEN(resnv), NULL); rv = nghttp2_session_send(session); assert_ptrdiff(0, ==, rv); stream = nghttp2_session_find_stream(session, 2); /* At server, pushed stream object is not retained after closed */ assert_null(stream); /* Push stream 4 associated to stream 5 */ rv = nghttp2_submit_push_promise(session, NGHTTP2_FLAG_NONE, 5, reqnv, ARRLEN(reqnv), NULL); assert_ptrdiff(4, ==, rv); rv = nghttp2_session_send(session); assert_ptrdiff(0, ==, rv); stream = nghttp2_session_find_stream(session, 4); assert_enum(nghttp2_stream_proto_state, NGHTTP2_STREAM_STATE_RESERVED_LOCAL, ==, nghttp2_stream_get_state(stream)); /* Send response to push stream 4 without closing */ data_prd.read_callback = defer_data_source_read_callback; nghttp2_submit_response2(session, 4, resnv, ARRLEN(resnv), &data_prd); rv = nghttp2_session_send(session); assert_ptrdiff(0, ==, rv); stream = nghttp2_session_find_stream(session, 4); assert_enum(nghttp2_stream_proto_state, NGHTTP2_STREAM_STATE_HALF_CLOSED_REMOTE, ==, nghttp2_stream_get_state(stream)); /* Create idle stream by PRIORITY frame */ nghttp2_frame_priority_init(&frame.priority, 7, &pri_spec_default); nghttp2_frame_pack_priority(&bufs, &frame.priority); nghttp2_frame_priority_free(&frame.priority); buf = &bufs.head->buf; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); stream = nghttp2_session_find_stream(session, 7); assert_enum(nghttp2_stream_proto_state, NGHTTP2_STREAM_STATE_IDLE, ==, nghttp2_stream_get_state(stream)); nghttp2_bufs_reset(&bufs); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); /* Test for client side */ nghttp2_session_client_new(&session, &callbacks, NULL); nghttp2_hd_deflate_init(&deflater, mem); nghttp2_submit_request2(session, NULL, reqnv, ARRLEN(reqnv), NULL, NULL); rv = nghttp2_session_send(session); assert_ptrdiff(0, ==, rv); /* Receive PUSH_PROMISE 2 associated to stream 1 */ pack_push_promise(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS, 2, reqnv, ARRLEN(reqnv), mem); buf = &bufs.head->buf; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); stream = nghttp2_session_find_stream(session, 2); assert_enum(nghttp2_stream_proto_state, NGHTTP2_STREAM_STATE_RESERVED_REMOTE, ==, nghttp2_stream_get_state(stream)); nghttp2_bufs_reset(&bufs); /* Receive push response for stream 2 without END_STREAM set */ pack_headers(&bufs, &deflater, 2, NGHTTP2_FLAG_END_HEADERS, resnv, ARRLEN(resnv), mem); buf = &bufs.head->buf; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); stream = nghttp2_session_find_stream(session, 2); assert_enum(nghttp2_stream_proto_state, NGHTTP2_STREAM_STATE_HALF_CLOSED_LOCAL, ==, nghttp2_stream_get_state(stream)); nghttp2_bufs_reset(&bufs); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_bufs_free(&bufs); } void test_nghttp2_session_stream_get_something(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_stream *a, *b, *c; memset(&callbacks, 0, sizeof(callbacks)); nghttp2_session_server_new(&session, &callbacks, NULL); a = open_stream(session, 1); assert_ptr_equal(nghttp2_session_get_root_stream(session), nghttp2_stream_get_parent(a)); assert_null(nghttp2_stream_get_previous_sibling(a)); assert_null(nghttp2_stream_get_next_sibling(a)); assert_null(nghttp2_stream_get_first_child(a)); b = open_stream_with_dep(session, 3, a); c = open_stream_with_dep_weight(session, 5, 11, a); assert_ptr_equal(a, nghttp2_stream_get_parent(c)); assert_ptr_equal(a, nghttp2_stream_get_parent(b)); assert_ptr_equal(c, nghttp2_stream_get_first_child(a)); assert_ptr_equal(b, nghttp2_stream_get_next_sibling(c)); assert_ptr_equal(c, nghttp2_stream_get_previous_sibling(b)); assert_int32(27, ==, nghttp2_stream_get_sum_dependency_weight(a)); assert_int32(11, ==, nghttp2_stream_get_weight(c)); assert_int32(5, ==, nghttp2_stream_get_stream_id(c)); assert_int32(0, ==, nghttp2_stream_get_stream_id(&session->root)); nghttp2_session_del(session); } void test_nghttp2_session_find_stream(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_stream *stream; memset(&callbacks, 0, sizeof(callbacks)); nghttp2_session_server_new(&session, &callbacks, NULL); open_recv_stream(session, 1); stream = nghttp2_session_find_stream(session, 1); assert_not_null(stream); assert_int32(1, ==, stream->stream_id); stream = nghttp2_session_find_stream(session, 0); assert_ptr_equal(&session->root, stream); assert_int32(0, ==, stream->stream_id); stream = nghttp2_session_find_stream(session, 2); assert_null(stream); nghttp2_session_del(session); } void test_nghttp2_session_keep_closed_stream(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; const size_t max_concurrent_streams = 5; nghttp2_settings_entry iv = {NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, (uint32_t)max_concurrent_streams}; size_t i; memset(&callbacks, 0, sizeof(callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_server_new(&session, &callbacks, NULL); nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, &iv, 1); for (i = 0; i < max_concurrent_streams; ++i) { open_recv_stream(session, (int32_t)i * 2 + 1); } assert_size(0, ==, session->num_closed_streams); nghttp2_session_close_stream(session, 1, NGHTTP2_NO_ERROR); assert_size(1, ==, session->num_closed_streams); assert_int32(1, ==, session->closed_stream_tail->stream_id); assert_ptr_equal(session->closed_stream_tail, session->closed_stream_head); nghttp2_session_close_stream(session, 5, NGHTTP2_NO_ERROR); assert_size(2, ==, session->num_closed_streams); assert_int32(5, ==, session->closed_stream_tail->stream_id); assert_int32(1, ==, session->closed_stream_head->stream_id); assert_ptr_equal(session->closed_stream_head, session->closed_stream_tail->closed_prev); assert_null(session->closed_stream_tail->closed_next); assert_ptr_equal(session->closed_stream_tail, session->closed_stream_head->closed_next); assert_null(session->closed_stream_head->closed_prev); open_recv_stream(session, 11); nghttp2_session_adjust_closed_stream(session); assert_size(1, ==, session->num_closed_streams); assert_int32(5, ==, session->closed_stream_tail->stream_id); assert_ptr_equal(session->closed_stream_tail, session->closed_stream_head); assert_null(session->closed_stream_head->closed_prev); assert_null(session->closed_stream_head->closed_next); open_recv_stream(session, 13); nghttp2_session_adjust_closed_stream(session); assert_size(0, ==, session->num_closed_streams); assert_null(session->closed_stream_tail); assert_null(session->closed_stream_head); nghttp2_session_close_stream(session, 3, NGHTTP2_NO_ERROR); assert_size(1, ==, session->num_closed_streams); assert_int32(3, ==, session->closed_stream_head->stream_id); /* server initiated stream is not counted to max concurrent limit */ open_sent_stream(session, 2); nghttp2_session_adjust_closed_stream(session); assert_size(1, ==, session->num_closed_streams); assert_int32(3, ==, session->closed_stream_head->stream_id); nghttp2_session_close_stream(session, 2, NGHTTP2_NO_ERROR); assert_size(1, ==, session->num_closed_streams); assert_int32(3, ==, session->closed_stream_head->stream_id); nghttp2_session_del(session); } void test_nghttp2_session_keep_idle_stream(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; const size_t max_concurrent_streams = 1; nghttp2_settings_entry iv = {NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, (uint32_t)max_concurrent_streams}; int i; int32_t stream_id; memset(&callbacks, 0, sizeof(callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_server_new(&session, &callbacks, NULL); nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, &iv, 1); /* We at least allow NGHTTP2_MIN_IDLE_STREAM idle streams even if max concurrent streams is very low. */ for (i = 0; i < NGHTTP2_MIN_IDLE_STREAMS; ++i) { open_recv_stream2(session, i * 2 + 1, NGHTTP2_STREAM_IDLE); nghttp2_session_adjust_idle_stream(session); } assert_size(NGHTTP2_MIN_IDLE_STREAMS, ==, session->num_idle_streams); stream_id = (NGHTTP2_MIN_IDLE_STREAMS - 1) * 2 + 1; assert_int32(1, ==, session->idle_stream_head->stream_id); assert_int32(stream_id, ==, session->idle_stream_tail->stream_id); stream_id += 2; open_recv_stream2(session, stream_id, NGHTTP2_STREAM_IDLE); nghttp2_session_adjust_idle_stream(session); assert_size(NGHTTP2_MIN_IDLE_STREAMS, ==, session->num_idle_streams); assert_int32(3, ==, session->idle_stream_head->stream_id); assert_int32(stream_id, ==, session->idle_stream_tail->stream_id); nghttp2_session_del(session); } void test_nghttp2_session_detach_idle_stream(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; int i; nghttp2_stream *stream; memset(&callbacks, 0, sizeof(callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_server_new(&session, &callbacks, NULL); for (i = 1; i <= 3; ++i) { nghttp2_session_open_stream(session, i, NGHTTP2_STREAM_FLAG_NONE, &pri_spec_default, NGHTTP2_STREAM_IDLE, NULL); } assert_size(3, ==, session->num_idle_streams); /* Detach middle stream */ stream = nghttp2_session_get_stream_raw(session, 2); assert_ptr_equal(session->idle_stream_head, stream->closed_prev); assert_ptr_equal(session->idle_stream_tail, stream->closed_next); assert_ptr_equal(stream, session->idle_stream_head->closed_next); assert_ptr_equal(stream, session->idle_stream_tail->closed_prev); nghttp2_session_detach_idle_stream(session, stream); assert_size(2, ==, session->num_idle_streams); assert_null(stream->closed_prev); assert_null(stream->closed_next); assert_ptr_equal(session->idle_stream_head, session->idle_stream_tail->closed_prev); assert_ptr_equal(session->idle_stream_tail, session->idle_stream_head->closed_next); /* Detach head stream */ stream = session->idle_stream_head; nghttp2_session_detach_idle_stream(session, stream); assert_size(1, ==, session->num_idle_streams); assert_ptr_equal(session->idle_stream_head, session->idle_stream_tail); assert_null(session->idle_stream_head->closed_prev); assert_null(session->idle_stream_head->closed_next); /* Detach last stream */ stream = session->idle_stream_head; nghttp2_session_detach_idle_stream(session, stream); assert_size(0, ==, session->num_idle_streams); assert_null(session->idle_stream_head); assert_null(session->idle_stream_tail); for (i = 4; i <= 5; ++i) { nghttp2_session_open_stream(session, i, NGHTTP2_STREAM_FLAG_NONE, &pri_spec_default, NGHTTP2_STREAM_IDLE, NULL); } assert_size(2, ==, session->num_idle_streams); /* Detach tail stream */ stream = session->idle_stream_tail; nghttp2_session_detach_idle_stream(session, stream); assert_size(1, ==, session->num_idle_streams); assert_ptr_equal(session->idle_stream_head, session->idle_stream_tail); assert_null(session->idle_stream_head->closed_prev); assert_null(session->idle_stream_head->closed_next); nghttp2_session_del(session); } void test_nghttp2_session_large_dep_tree(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; size_t i; nghttp2_stream *dep_stream = NULL; nghttp2_stream *stream; int32_t stream_id; memset(&callbacks, 0, sizeof(callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_server_new(&session, &callbacks, NULL); stream_id = 1; for (i = 0; i < 250; ++i, stream_id += 2) { dep_stream = open_stream_with_dep(session, stream_id, dep_stream); } stream_id = 1; for (i = 0; i < 250; ++i, stream_id += 2) { stream = nghttp2_session_get_stream(session, stream_id); assert_true(nghttp2_stream_dep_find_ancestor(stream, &session->root)); assert_true(nghttp2_stream_in_dep_tree(stream)); } nghttp2_session_del(session); } void test_nghttp2_session_graceful_shutdown(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; memset(&callbacks, 0, sizeof(callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_frame_send_callback = on_frame_send_callback; callbacks.on_stream_close_callback = on_stream_close_callback; nghttp2_session_server_new(&session, &callbacks, &ud); open_recv_stream(session, 301); open_sent_stream(session, 302); open_recv_stream(session, 309); open_recv_stream(session, 311); open_recv_stream(session, 319); assert_int(0, ==, nghttp2_submit_shutdown_notice(session)); ud.frame_send_cb_called = 0; assert_int(0, ==, nghttp2_session_send(session)); assert_int(1, ==, ud.frame_send_cb_called); assert_int32((1u << 31) - 1, ==, session->local_last_stream_id); assert_int(0, ==, nghttp2_submit_goaway(session, NGHTTP2_FLAG_NONE, 311, NGHTTP2_NO_ERROR, NULL, 0)); ud.frame_send_cb_called = 0; ud.stream_close_cb_called = 0; assert_int(0, ==, nghttp2_session_send(session)); assert_int(1, ==, ud.frame_send_cb_called); assert_int32(311, ==, session->local_last_stream_id); assert_int(1, ==, ud.stream_close_cb_called); assert_int( 0, ==, nghttp2_session_terminate_session2(session, 301, NGHTTP2_NO_ERROR)); ud.frame_send_cb_called = 0; ud.stream_close_cb_called = 0; assert_int(0, ==, nghttp2_session_send(session)); assert_int(1, ==, ud.frame_send_cb_called); assert_int32(301, ==, session->local_last_stream_id); assert_int(2, ==, ud.stream_close_cb_called); assert_not_null(nghttp2_session_get_stream(session, 301)); assert_not_null(nghttp2_session_get_stream(session, 302)); assert_null(nghttp2_session_get_stream(session, 309)); assert_null(nghttp2_session_get_stream(session, 311)); assert_null(nghttp2_session_get_stream(session, 319)); nghttp2_session_del(session); } void test_nghttp2_session_on_header_temporal_failure(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; nghttp2_bufs bufs; nghttp2_buf *buf; nghttp2_hd_deflater deflater; nghttp2_nv nv[] = {MAKE_NV("alpha", "bravo"), MAKE_NV("charlie", "delta")}; nghttp2_nv *nva; size_t hdpos; nghttp2_ssize rv; nghttp2_frame frame; nghttp2_frame_hd hd; nghttp2_outbound_item *item; nghttp2_mem *mem; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(callbacks)); callbacks.on_header_callback = temporal_failure_on_header_callback; nghttp2_session_server_new(&session, &callbacks, &ud); frame_pack_bufs_init(&bufs); nghttp2_hd_deflate_init(&deflater, mem); nghttp2_nv_array_copy(&nva, reqnv, ARRLEN(reqnv), mem); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_STREAM, 1, NGHTTP2_HCAT_REQUEST, NULL, nva, ARRLEN(reqnv)); nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater); nghttp2_frame_headers_free(&frame.headers, mem); /* We are going to create CONTINUATION. First serialize header block, and then frame header. */ hdpos = nghttp2_bufs_len(&bufs); buf = &bufs.head->buf; buf->last += NGHTTP2_FRAME_HDLEN; nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, &nv[1], 1); nghttp2_frame_hd_init(&hd, nghttp2_bufs_len(&bufs) - hdpos - NGHTTP2_FRAME_HDLEN, NGHTTP2_CONTINUATION, NGHTTP2_FLAG_END_HEADERS, 1); nghttp2_frame_pack_frame_hd(&buf->pos[hdpos], &hd); ud.header_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, rv); assert_int(1, ==, ud.header_cb_called); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_int32(1, ==, item->frame.hd.stream_id); /* Make sure no header decompression error occurred */ assert_uint8(NGHTTP2_GOAWAY_NONE, ==, session->goaway_flags); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_bufs_reset(&bufs); /* Check for PUSH_PROMISE */ nghttp2_hd_deflate_init(&deflater, mem); nghttp2_session_client_new(&session, &callbacks, &ud); open_sent_stream(session, 1); rv = pack_push_promise(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS, 2, reqnv, ARRLEN(reqnv), mem); assert_ptrdiff(0, ==, rv); ud.header_cb_called = 0; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, rv); assert_int(1, ==, ud.header_cb_called); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_int32(2, ==, item->frame.hd.stream_id); assert_uint32(NGHTTP2_INTERNAL_ERROR, ==, item->frame.rst_stream.error_code); nghttp2_session_del(session); nghttp2_hd_deflate_free(&deflater); nghttp2_bufs_free(&bufs); } void test_nghttp2_session_recv_client_magic(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_ssize rv; nghttp2_frame ping_frame; uint8_t buf[16]; /* enable global nghttp2_enable_strict_preface here */ nghttp2_enable_strict_preface = 1; memset(&callbacks, 0, sizeof(callbacks)); /* Check success case */ nghttp2_session_server_new(&session, &callbacks, NULL); rv = nghttp2_session_mem_recv2(session, (const uint8_t *)NGHTTP2_CLIENT_MAGIC, NGHTTP2_CLIENT_MAGIC_LEN); assert_ptrdiff(NGHTTP2_CLIENT_MAGIC_LEN, ==, rv); assert_enum(nghttp2_inbound_state, NGHTTP2_IB_READ_FIRST_SETTINGS, ==, session->iframe.state); /* Receiving PING is error because we want SETTINGS. */ nghttp2_frame_ping_init(&ping_frame.ping, NGHTTP2_FLAG_NONE, NULL); nghttp2_frame_pack_frame_hd(buf, &ping_frame.ping.hd); rv = nghttp2_session_mem_recv2(session, buf, NGHTTP2_FRAME_HDLEN); assert_ptrdiff(NGHTTP2_FRAME_HDLEN, ==, rv); assert_enum(nghttp2_inbound_state, NGHTTP2_IB_IGN_ALL, ==, session->iframe.state); assert_size(0, ==, session->iframe.payloadleft); nghttp2_frame_ping_free(&ping_frame.ping); nghttp2_session_del(session); /* Check bad case */ nghttp2_session_server_new(&session, &callbacks, NULL); /* Feed magic with one byte less */ rv = nghttp2_session_mem_recv2(session, (const uint8_t *)NGHTTP2_CLIENT_MAGIC, NGHTTP2_CLIENT_MAGIC_LEN - 1); assert_ptrdiff(NGHTTP2_CLIENT_MAGIC_LEN - 1, ==, rv); assert_enum(nghttp2_inbound_state, NGHTTP2_IB_READ_CLIENT_MAGIC, ==, session->iframe.state); assert_size(1, ==, session->iframe.payloadleft); rv = nghttp2_session_mem_recv2(session, (const uint8_t *)"\0", 1); assert_ptrdiff(NGHTTP2_ERR_BAD_CLIENT_MAGIC, ==, rv); nghttp2_session_del(session); /* disable global nghttp2_enable_strict_preface here */ nghttp2_enable_strict_preface = 0; } void test_nghttp2_session_delete_data_item(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_stream *a; nghttp2_data_provider2 prd; memset(&callbacks, 0, sizeof(callbacks)); nghttp2_session_server_new(&session, &callbacks, NULL); a = open_recv_stream(session, 1); open_recv_stream_with_dep(session, 3, a); /* We don't care about these members, since we won't send data */ prd.source.ptr = NULL; prd.read_callback = fail_data_source_read_callback; assert_int(0, ==, nghttp2_submit_data2(session, NGHTTP2_FLAG_NONE, 1, &prd)); assert_int(0, ==, nghttp2_submit_data2(session, NGHTTP2_FLAG_NONE, 3, &prd)); nghttp2_session_del(session); } void test_nghttp2_session_open_idle_stream(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_stream *stream; nghttp2_stream *opened_stream; nghttp2_priority_spec pri_spec; nghttp2_frame frame; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); nghttp2_session_server_new(&session, &callbacks, NULL); nghttp2_priority_spec_init(&pri_spec, 0, 3, 0); nghttp2_frame_priority_init(&frame.priority, 1, &pri_spec); assert_int(0, ==, nghttp2_session_on_priority_received(session, &frame)); stream = nghttp2_session_get_stream_raw(session, 1); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_IDLE, ==, stream->state); assert_null(stream->closed_prev); assert_null(stream->closed_next); assert_size(1, ==, session->num_idle_streams); assert_ptr_equal(session->idle_stream_head, stream); assert_ptr_equal(session->idle_stream_tail, stream); opened_stream = open_recv_stream2(session, 1, NGHTTP2_STREAM_OPENING); assert_ptr_equal(stream, opened_stream); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_OPENING, ==, stream->state); assert_size(0, ==, session->num_idle_streams); assert_null(session->idle_stream_head); assert_null(session->idle_stream_tail); nghttp2_frame_priority_free(&frame.priority); nghttp2_session_del(session); } void test_nghttp2_session_cancel_reserved_remote(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_stream *stream; nghttp2_frame frame; nghttp2_nv *nva; size_t nvlen; nghttp2_hd_deflater deflater; nghttp2_mem *mem; nghttp2_bufs bufs; nghttp2_ssize rv; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_client_new(&session, &callbacks, NULL); nghttp2_hd_deflate_init(&deflater, mem); stream = open_recv_stream2(session, 2, NGHTTP2_STREAM_RESERVED); nghttp2_submit_rst_stream(session, NGHTTP2_FLAG_NONE, 2, NGHTTP2_CANCEL); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_CLOSING, ==, stream->state); assert_int(0, ==, nghttp2_session_send(session)); nvlen = ARRLEN(resnv); nghttp2_nv_array_copy(&nva, resnv, nvlen, mem); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS, 2, NGHTTP2_HCAT_PUSH_RESPONSE, NULL, nva, nvlen); rv = nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); /* stream is not dangling, so assign NULL */ stream = NULL; /* No RST_STREAM or GOAWAY is generated since stream should be in NGHTTP2_STREAM_CLOSING and push response should be ignored. */ assert_size(0, ==, nghttp2_outbound_queue_size(&session->ob_reg)); /* Check that we can receive push response HEADERS while RST_STREAM is just queued. */ open_recv_stream2(session, 4, NGHTTP2_STREAM_RESERVED); nghttp2_submit_rst_stream(session, NGHTTP2_FLAG_NONE, 2, NGHTTP2_CANCEL); nghttp2_bufs_reset(&bufs); frame.hd.stream_id = 4; rv = nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); assert_size(1, ==, nghttp2_outbound_queue_size(&session->ob_reg)); nghttp2_frame_headers_free(&frame.headers, mem); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_bufs_free(&bufs); } void test_nghttp2_session_reset_pending_headers(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_stream *stream; int32_t stream_id; my_user_data ud; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_frame_send_callback = on_frame_send_callback; callbacks.on_frame_not_send_callback = on_frame_not_send_callback; callbacks.on_stream_close_callback = on_stream_close_callback; nghttp2_session_client_new(&session, &callbacks, &ud); stream_id = nghttp2_submit_request2(session, NULL, NULL, 0, NULL, NULL); assert_int32(1, <=, stream_id); nghttp2_submit_rst_stream(session, NGHTTP2_FLAG_NONE, stream_id, NGHTTP2_CANCEL); session->remote_settings.max_concurrent_streams = 0; /* RST_STREAM cancels pending HEADERS and is not actually sent. */ ud.frame_send_cb_called = 0; assert_int(0, ==, nghttp2_session_send(session)); assert_int(0, ==, ud.frame_send_cb_called); stream = nghttp2_session_get_stream(session, stream_id); assert_null(stream); /* See HEADERS is not sent. on_stream_close is called just like transmission failure. */ session->remote_settings.max_concurrent_streams = 1; ud.frame_not_send_cb_called = 0; ud.stream_close_error_code = 0; assert_int(0, ==, nghttp2_session_send(session)); assert_int(1, ==, ud.frame_not_send_cb_called); assert_uint8(NGHTTP2_HEADERS, ==, ud.not_sent_frame_type); assert_uint32(NGHTTP2_CANCEL, ==, ud.stream_close_error_code); stream = nghttp2_session_get_stream(session, stream_id); assert_null(stream); nghttp2_session_del(session); } void test_nghttp2_session_send_data_callback(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_data_provider2 data_prd; my_user_data ud; accumulator acc; nghttp2_frame_hd hd; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = accumulator_send_callback; callbacks.send_data_callback = send_data_callback; data_prd.read_callback = no_copy_data_source_read_callback; acc.length = 0; ud.acc = &acc; ud.data_source_length = NGHTTP2_DATA_PAYLOADLEN * 2; nghttp2_session_client_new(&session, &callbacks, &ud); open_sent_stream(session, 1); nghttp2_submit_data2(session, NGHTTP2_FLAG_END_STREAM, 1, &data_prd); assert_int(0, ==, nghttp2_session_send(session)); assert_size((NGHTTP2_FRAME_HDLEN + NGHTTP2_DATA_PAYLOADLEN) * 2, ==, acc.length); nghttp2_frame_unpack_frame_hd(&hd, acc.buf); assert_size(16384, ==, hd.length); assert_uint8(NGHTTP2_DATA, ==, hd.type); assert_uint8(NGHTTP2_FLAG_NONE, ==, hd.flags); nghttp2_frame_unpack_frame_hd(&hd, acc.buf + NGHTTP2_FRAME_HDLEN + hd.length); assert_size(16384, ==, hd.length); assert_uint8(NGHTTP2_DATA, ==, hd.type); assert_uint8(NGHTTP2_FLAG_END_STREAM, ==, hd.flags); nghttp2_session_del(session); } void test_nghttp2_session_on_begin_headers_temporal_failure(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; nghttp2_bufs bufs; nghttp2_mem *mem; nghttp2_ssize rv; nghttp2_hd_deflater deflater; nghttp2_outbound_item *item; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); nghttp2_hd_deflate_init(&deflater, mem); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_begin_headers_callback = temporal_failure_on_begin_headers_callback; callbacks.on_header_callback = on_header_callback; callbacks.on_frame_recv_callback = on_frame_recv_callback; callbacks.send_callback2 = null_send_callback; nghttp2_session_server_new(&session, &callbacks, &ud); rv = pack_headers(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS, reqnv, ARRLEN(reqnv), mem); assert_ptrdiff(0, ==, rv); ud.header_cb_called = 0; ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, rv); assert_int(0, ==, ud.header_cb_called); assert_int(0, ==, ud.frame_recv_cb_called); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_int32(1, ==, item->frame.hd.stream_id); assert_uint32(NGHTTP2_INTERNAL_ERROR, ==, item->frame.rst_stream.error_code); nghttp2_session_del(session); nghttp2_hd_deflate_free(&deflater); nghttp2_bufs_reset(&bufs); /* check for PUSH_PROMISE */ nghttp2_hd_deflate_init(&deflater, mem); nghttp2_session_client_new(&session, &callbacks, &ud); open_sent_stream(session, 1); rv = pack_push_promise(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS, 2, reqnv, ARRLEN(reqnv), mem); assert_ptrdiff(0, ==, rv); ud.header_cb_called = 0; ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, rv); assert_int(0, ==, ud.header_cb_called); assert_int(0, ==, ud.frame_recv_cb_called); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_int32(2, ==, item->frame.hd.stream_id); assert_uint32(NGHTTP2_INTERNAL_ERROR, ==, item->frame.rst_stream.error_code); nghttp2_session_del(session); nghttp2_hd_deflate_free(&deflater); nghttp2_bufs_free(&bufs); } void test_nghttp2_session_defer_then_close(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_data_provider2 prd; int rv; const uint8_t *datap; nghttp2_ssize datalen; nghttp2_frame frame; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_client_new(&session, &callbacks, NULL); prd.read_callback = defer_data_source_read_callback; rv = nghttp2_submit_request2(session, NULL, reqnv, ARRLEN(reqnv), &prd, NULL); assert_ptrdiff(0, <, rv); /* This sends HEADERS */ datalen = nghttp2_session_mem_send2(session, &datap); assert_ptrdiff(0, <, datalen); /* This makes DATA item deferred */ datalen = nghttp2_session_mem_send2(session, &datap); assert_ptrdiff(0, ==, datalen); nghttp2_frame_rst_stream_init(&frame.rst_stream, 1, NGHTTP2_CANCEL); /* Assertion failure; GH-264 */ rv = nghttp2_session_on_rst_stream_received(session, &frame); assert_int(0, ==, rv); nghttp2_session_del(session); } static int submit_response_on_stream_close(nghttp2_session *session, int32_t stream_id, uint32_t error_code, void *user_data) { nghttp2_data_provider2 data_prd; (void)error_code; (void)user_data; data_prd.read_callback = temporal_failure_data_source_read_callback; // Attempt to submit response or data to the stream being closed switch (stream_id) { case 1: assert_int(0, ==, nghttp2_submit_response2(session, stream_id, resnv, ARRLEN(resnv), &data_prd)); break; case 3: assert_int( 0, ==, nghttp2_submit_data2(session, NGHTTP2_FLAG_NONE, stream_id, &data_prd)); break; } return 0; } void test_nghttp2_session_detach_item_from_closed_stream(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; memset(&callbacks, 0, sizeof(callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_stream_close_callback = submit_response_on_stream_close; nghttp2_session_server_new(&session, &callbacks, NULL); open_recv_stream(session, 1); open_recv_stream(session, 3); nghttp2_session_close_stream(session, 1, NGHTTP2_NO_ERROR); nghttp2_session_close_stream(session, 3, NGHTTP2_NO_ERROR); assert_int(0, ==, nghttp2_session_send(session)); nghttp2_session_del(session); } void test_nghttp2_session_flooding(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_bufs bufs; nghttp2_buf *buf; nghttp2_frame frame; nghttp2_mem *mem; size_t i; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(callbacks)); /* PING ACK */ nghttp2_session_server_new(&session, &callbacks, NULL); nghttp2_frame_ping_init(&frame.ping, NGHTTP2_FLAG_NONE, NULL); nghttp2_frame_pack_ping(&bufs, &frame.ping); nghttp2_frame_ping_free(&frame.ping); buf = &bufs.head->buf; for (i = 0; i < NGHTTP2_DEFAULT_MAX_OBQ_FLOOD_ITEM; ++i) { assert_ptrdiff( (nghttp2_ssize)nghttp2_buf_len(buf), ==, nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf))); } assert_ptrdiff( NGHTTP2_ERR_FLOODED, ==, nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf))); nghttp2_session_del(session); /* SETTINGS ACK */ nghttp2_bufs_reset(&bufs); nghttp2_session_server_new(&session, &callbacks, NULL); nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_NONE, NULL, 0); nghttp2_frame_pack_settings(&bufs, &frame.settings); nghttp2_frame_settings_free(&frame.settings, mem); buf = &bufs.head->buf; for (i = 0; i < NGHTTP2_DEFAULT_MAX_OBQ_FLOOD_ITEM; ++i) { assert_ptrdiff( (nghttp2_ssize)nghttp2_buf_len(buf), ==, nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf))); } assert_ptrdiff( NGHTTP2_ERR_FLOODED, ==, nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf))); nghttp2_session_del(session); nghttp2_bufs_free(&bufs); } void test_nghttp2_session_change_stream_priority(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_stream *stream1, *stream2, *stream3, *stream5; nghttp2_priority_spec pri_spec; int rv; memset(&callbacks, 0, sizeof(callbacks)); nghttp2_session_server_new(&session, &callbacks, NULL); stream1 = open_recv_stream(session, 1); stream3 = open_recv_stream_with_dep_weight(session, 3, 199, stream1); stream2 = open_sent_stream_with_dep_weight(session, 2, 101, stream3); nghttp2_priority_spec_init(&pri_spec, 1, 256, 0); rv = nghttp2_session_change_stream_priority(session, 2, &pri_spec); assert_int(0, ==, rv); assert_ptr_equal(stream1, stream2->dep_prev); assert_int32(256, ==, stream2->weight); /* Cannot change stream which does not exist */ rv = nghttp2_session_change_stream_priority(session, 5, &pri_spec); assert_int(NGHTTP2_ERR_INVALID_ARGUMENT, ==, rv); /* It is an error to depend on itself */ rv = nghttp2_session_change_stream_priority(session, 1, &pri_spec); assert_int(NGHTTP2_ERR_INVALID_ARGUMENT, ==, rv); /* It is an error to change priority of root stream (0) */ rv = nghttp2_session_change_stream_priority(session, 0, &pri_spec); assert_int(NGHTTP2_ERR_INVALID_ARGUMENT, ==, rv); /* Depends on the non-existing idle stream. This creates that idle stream. */ nghttp2_priority_spec_init(&pri_spec, 5, 9, 1); rv = nghttp2_session_change_stream_priority(session, 2, &pri_spec); assert_int(0, ==, rv); stream5 = nghttp2_session_get_stream_raw(session, 5); assert_not_null(stream5); assert_ptr_equal(&session->root, stream5->dep_prev); assert_ptr_equal(stream5, stream2->dep_prev); assert_int32(9, ==, stream2->weight); nghttp2_session_del(session); /* Check that this works in client session too */ nghttp2_session_client_new(&session, &callbacks, NULL); stream1 = open_sent_stream(session, 1); nghttp2_priority_spec_init(&pri_spec, 5, 9, 1); rv = nghttp2_session_change_stream_priority(session, 1, &pri_spec); assert_int(0, ==, rv); stream5 = nghttp2_session_get_stream_raw(session, 5); assert_not_null(stream5); assert_ptr_equal(&session->root, stream5->dep_prev); assert_ptr_equal(stream5, stream1->dep_prev); assert_int32(9, ==, stream1->weight); nghttp2_session_del(session); } void test_nghttp2_session_change_extpri_stream_priority(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_bufs bufs; nghttp2_buf *buf; nghttp2_ssize rv; nghttp2_option *option; nghttp2_extension frame; nghttp2_ext_priority_update priority_update; nghttp2_extpri extpri, nextpri; nghttp2_stream *stream; static const uint8_t field_value[] = "u=2"; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); frame_pack_bufs_init(&bufs); nghttp2_option_new(&option); nghttp2_option_set_builtin_recv_extension_type(option, NGHTTP2_PRIORITY_UPDATE); nghttp2_session_server_new2(&session, &callbacks, NULL, option); session->pending_no_rfc7540_priorities = 1; open_recv_stream(session, 1); extpri.urgency = NGHTTP2_EXTPRI_URGENCY_LOW + 1; extpri.inc = 1; rv = nghttp2_session_change_extpri_stream_priority( session, 1, &extpri, /* ignore_client_signal = */ 0); assert_ptrdiff(0, ==, rv); stream = nghttp2_session_get_stream(session, 1); assert_uint32(NGHTTP2_EXTPRI_URGENCY_LOW, ==, nghttp2_extpri_uint8_urgency(stream->extpri)); assert_true(nghttp2_extpri_uint8_inc(stream->extpri)); rv = nghttp2_session_get_extpri_stream_priority(session, &nextpri, 1); assert_ptrdiff(0, ==, rv); assert_uint32(NGHTTP2_EXTPRI_URGENCY_LOW, ==, nextpri.urgency); assert_true(nextpri.inc); /* Client can still update stream priority. */ frame.payload = &priority_update; nghttp2_frame_priority_update_init(&frame, 1, (uint8_t *)field_value, sizeof(field_value) - 1); nghttp2_frame_pack_priority_update(&bufs, &frame); buf = &bufs.head->buf; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); assert_uint8(2, ==, stream->extpri); /* Start to ignore client priority signal for this stream. */ rv = nghttp2_session_change_extpri_stream_priority( session, 1, &extpri, /* ignore_client_signal = */ 1); assert_ptrdiff(0, ==, rv); stream = nghttp2_session_get_stream(session, 1); assert_uint32(NGHTTP2_EXTPRI_URGENCY_LOW, ==, nghttp2_extpri_uint8_urgency(stream->extpri)); assert_true(nghttp2_extpri_uint8_inc(stream->extpri)); buf = &bufs.head->buf; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); assert_uint32(NGHTTP2_EXTPRI_URGENCY_LOW, ==, nghttp2_extpri_uint8_urgency(stream->extpri)); assert_true(nghttp2_extpri_uint8_inc(stream->extpri)); nghttp2_session_del(session); nghttp2_option_del(option); nghttp2_bufs_free(&bufs); } void test_nghttp2_session_create_idle_stream(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_stream *stream2, *stream4, *stream8, *stream10; nghttp2_priority_spec pri_spec; int rv; int i; memset(&callbacks, 0, sizeof(callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_server_new(&session, &callbacks, NULL); stream2 = open_sent_stream(session, 2); nghttp2_priority_spec_init(&pri_spec, 2, 111, 1); rv = nghttp2_session_create_idle_stream(session, 4, &pri_spec); assert_int(0, ==, rv); stream4 = nghttp2_session_get_stream_raw(session, 4); assert_int32(4, ==, stream4->stream_id); assert_int32(111, ==, stream4->weight); assert_ptr_equal(stream2, stream4->dep_prev); assert_ptr_equal(stream4, stream2->dep_next); /* If pri_spec->stream_id does not exist, and it is idle stream, it is created too */ nghttp2_priority_spec_init(&pri_spec, 10, 109, 0); rv = nghttp2_session_create_idle_stream(session, 8, &pri_spec); assert_int(0, ==, rv); stream8 = nghttp2_session_get_stream_raw(session, 8); stream10 = nghttp2_session_get_stream_raw(session, 10); assert_int32(8, ==, stream8->stream_id); assert_int32(109, ==, stream8->weight); assert_int32(10, ==, stream10->stream_id); assert_int32(16, ==, stream10->weight); assert_ptr_equal(stream10, stream8->dep_prev); assert_ptr_equal(&session->root, stream10->dep_prev); /* It is an error to attempt to create already existing idle stream */ rv = nghttp2_session_create_idle_stream(session, 4, &pri_spec); assert_int(NGHTTP2_ERR_INVALID_ARGUMENT, ==, rv); /* It is an error to depend on itself */ pri_spec.stream_id = 6; rv = nghttp2_session_create_idle_stream(session, 6, &pri_spec); assert_int(NGHTTP2_ERR_INVALID_ARGUMENT, ==, rv); /* It is an error to create root stream (0) as idle stream */ rv = nghttp2_session_create_idle_stream(session, 0, &pri_spec); assert_int(NGHTTP2_ERR_INVALID_ARGUMENT, ==, rv); /* It is an error to create non-idle stream */ session->last_sent_stream_id = 20; pri_spec.stream_id = 2; rv = nghttp2_session_create_idle_stream(session, 18, &pri_spec); assert_int(NGHTTP2_ERR_INVALID_ARGUMENT, ==, rv); nghttp2_session_del(session); /* Check that this works in client session too */ nghttp2_session_client_new(&session, &callbacks, NULL); nghttp2_priority_spec_init(&pri_spec, 4, 99, 1); rv = nghttp2_session_create_idle_stream(session, 2, &pri_spec); assert_int(0, ==, rv); stream4 = nghttp2_session_get_stream_raw(session, 4); stream2 = nghttp2_session_get_stream_raw(session, 2); assert_not_null(stream4); assert_not_null(stream2); assert_ptr_equal(&session->root, stream4->dep_prev); assert_int32(NGHTTP2_DEFAULT_WEIGHT, ==, stream4->weight); assert_ptr_equal(stream4, stream2->dep_prev); assert_int32(99, ==, stream2->weight); nghttp2_session_del(session); /* Check that idle stream is reduced when nghttp2_session_send() is called. */ nghttp2_session_server_new(&session, &callbacks, NULL); session->local_settings.max_concurrent_streams = 30; nghttp2_priority_spec_init(&pri_spec, 0, 16, 0); for (i = 0; i < 100; ++i) { rv = nghttp2_session_create_idle_stream(session, i * 2 + 1, &pri_spec); assert_int(0, ==, rv); nghttp2_priority_spec_init(&pri_spec, i * 2 + 1, 16, 0); } assert_size(100, ==, session->num_idle_streams); assert_int(0, ==, nghttp2_session_send(session)); assert_size(30, ==, session->num_idle_streams); assert_int32(141, ==, session->idle_stream_head->stream_id); nghttp2_session_del(session); /* Check that idle stream is reduced when nghttp2_session_mem_recv2() is called. */ nghttp2_session_client_new(&session, &callbacks, NULL); session->local_settings.max_concurrent_streams = 30; nghttp2_priority_spec_init(&pri_spec, 0, 16, 0); for (i = 0; i < 100; ++i) { rv = nghttp2_session_create_idle_stream(session, i * 2 + 1, &pri_spec); assert_int(0, ==, rv); nghttp2_priority_spec_init(&pri_spec, i * 2 + 1, 16, 0); } assert_size(100, ==, session->num_idle_streams); assert_ptrdiff(0, ==, nghttp2_session_mem_recv2(session, NULL, 0)); assert_size(30, ==, session->num_idle_streams); assert_int32(141, ==, session->idle_stream_head->stream_id); nghttp2_session_del(session); } void test_nghttp2_session_repeated_priority_change(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_frame frame; nghttp2_priority_spec pri_spec; int32_t stream_id, last_stream_id; int32_t max_streams = 20; memset(&callbacks, 0, sizeof(callbacks)); nghttp2_session_server_new(&session, &callbacks, NULL); session->local_settings.max_concurrent_streams = (uint32_t)max_streams; /* 1 -> 0 */ nghttp2_priority_spec_init(&pri_spec, 0, 16, 0); nghttp2_frame_priority_init(&frame.priority, 1, &pri_spec); assert_int(0, ==, nghttp2_session_on_priority_received(session, &frame)); nghttp2_frame_priority_free(&frame.priority); last_stream_id = max_streams * 2 + 1; for (stream_id = 3; stream_id < last_stream_id; stream_id += 2) { /* 1 -> stream_id */ nghttp2_priority_spec_init(&pri_spec, stream_id, 16, 0); nghttp2_frame_priority_init(&frame.priority, 1, &pri_spec); assert_int(0, ==, nghttp2_session_on_priority_received(session, &frame)); nghttp2_frame_priority_free(&frame.priority); } assert_size(20, ==, session->num_idle_streams); assert_int32(1, ==, session->idle_stream_head->stream_id); /* 1 -> last_stream_id */ nghttp2_priority_spec_init(&pri_spec, last_stream_id, 16, 0); nghttp2_frame_priority_init(&frame.priority, 1, &pri_spec); assert_int(0, ==, nghttp2_session_on_priority_received(session, &frame)); nghttp2_frame_priority_free(&frame.priority); assert_size(20, ==, session->num_idle_streams); assert_int32(3, ==, session->idle_stream_head->stream_id); nghttp2_session_del(session); } void test_nghttp2_session_repeated_priority_submission(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_priority_spec pri_spec; int32_t stream_id, last_stream_id; uint32_t max_streams = NGHTTP2_MIN_IDLE_STREAMS; memset(&callbacks, 0, sizeof(callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_client_new(&session, &callbacks, NULL); session->local_settings.max_concurrent_streams = max_streams; /* 1 -> 0 */ nghttp2_priority_spec_init(&pri_spec, 0, 16, 0); assert_int(0, ==, nghttp2_submit_priority(session, NGHTTP2_FLAG_NONE, 1, &pri_spec)); last_stream_id = (int32_t)(max_streams * 2 + 1); for (stream_id = 3; stream_id < last_stream_id; stream_id += 2) { /* 1 -> stream_id */ nghttp2_priority_spec_init(&pri_spec, stream_id, 16, 0); assert_int( 0, ==, nghttp2_submit_priority(session, NGHTTP2_FLAG_NONE, 1, &pri_spec)); } assert_int(0, ==, nghttp2_session_send(session)); assert_size(max_streams, ==, session->num_idle_streams); assert_int32(1, ==, session->idle_stream_head->stream_id); /* 1 -> last_stream_id */ nghttp2_priority_spec_init(&pri_spec, last_stream_id, 16, 0); assert_int(0, ==, nghttp2_submit_priority(session, NGHTTP2_FLAG_NONE, 1, &pri_spec)); assert_int(0, ==, nghttp2_session_send(session)); assert_size(max_streams, ==, session->num_idle_streams); assert_int32(3, ==, session->idle_stream_head->stream_id); nghttp2_session_del(session); } void test_nghttp2_session_set_local_window_size(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_outbound_item *item; nghttp2_stream *stream; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_client_new(&session, &callbacks, NULL); stream = open_sent_stream(session, 1); stream->recv_window_size = 4096; assert_int(0, ==, nghttp2_session_set_local_window_size(session, NGHTTP2_FLAG_NONE, 1, 65536)); assert_int32(NGHTTP2_INITIAL_CONNECTION_WINDOW_SIZE + 1, ==, stream->local_window_size); assert_int32(4096, ==, stream->recv_window_size); assert_int32(65536 - 4096, ==, nghttp2_session_get_stream_local_window_size(session, 1)); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_WINDOW_UPDATE, ==, item->frame.hd.type); assert_int32(1, ==, item->frame.window_update.hd.stream_id); assert_int32(1, ==, item->frame.window_update.window_size_increment); assert_int(0, ==, nghttp2_session_send(session)); /* Go decrement part */ assert_int(0, ==, nghttp2_session_set_local_window_size(session, NGHTTP2_FLAG_NONE, 1, 32768)); assert_int32(32768, ==, stream->local_window_size); assert_int32(-28672, ==, stream->recv_window_size); assert_int32(32768, ==, stream->recv_reduction); assert_int32(65536 - 4096, ==, nghttp2_session_get_stream_local_window_size(session, 1)); item = nghttp2_session_get_next_ob_item(session); assert_null(item); /* Increase local window size */ assert_int(0, ==, nghttp2_session_set_local_window_size(session, NGHTTP2_FLAG_NONE, 1, 49152)); assert_int32(49152, ==, stream->local_window_size); assert_int32(-12288, ==, stream->recv_window_size); assert_int32(16384, ==, stream->recv_reduction); assert_int32(65536 - 4096, ==, nghttp2_session_get_stream_local_window_size(session, 1)); assert_null(nghttp2_session_get_next_ob_item(session)); /* Increase local window again */ assert_int(0, ==, nghttp2_session_set_local_window_size(session, NGHTTP2_FLAG_NONE, 1, 65537)); assert_int32(65537, ==, stream->local_window_size); assert_int32(4096, ==, stream->recv_window_size); assert_int32(0, ==, stream->recv_reduction); assert_int32(65537 - 4096, ==, nghttp2_session_get_stream_local_window_size(session, 1)); item = nghttp2_session_get_next_ob_item(session); assert_int32(1, ==, item->frame.window_update.window_size_increment); assert_int(0, ==, nghttp2_session_send(session)); /* Check connection-level flow control */ session->recv_window_size = 4096; assert_int(0, ==, nghttp2_session_set_local_window_size(session, NGHTTP2_FLAG_NONE, 0, 65536)); assert_int32(NGHTTP2_INITIAL_CONNECTION_WINDOW_SIZE + 1, ==, session->local_window_size); assert_int32(4096, ==, session->recv_window_size); assert_int32(65536 - 4096, ==, nghttp2_session_get_local_window_size(session)); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_WINDOW_UPDATE, ==, item->frame.hd.type); assert_int32(0, ==, item->frame.window_update.hd.stream_id); assert_int32(1, ==, item->frame.window_update.window_size_increment); assert_int(0, ==, nghttp2_session_send(session)); /* Go decrement part */ assert_int(0, ==, nghttp2_session_set_local_window_size(session, NGHTTP2_FLAG_NONE, 0, 32768)); assert_int32(32768, ==, session->local_window_size); assert_int32(-28672, ==, session->recv_window_size); assert_int32(32768, ==, session->recv_reduction); assert_int32(65536 - 4096, ==, nghttp2_session_get_local_window_size(session)); item = nghttp2_session_get_next_ob_item(session); assert_null(item); /* Increase local window size */ assert_int(0, ==, nghttp2_session_set_local_window_size(session, NGHTTP2_FLAG_NONE, 0, 49152)); assert_int32(49152, ==, session->local_window_size); assert_int32(-12288, ==, session->recv_window_size); assert_int32(16384, ==, session->recv_reduction); assert_int32(65536 - 4096, ==, nghttp2_session_get_local_window_size(session)); assert_null(nghttp2_session_get_next_ob_item(session)); /* Increase local window again */ assert_int(0, ==, nghttp2_session_set_local_window_size(session, NGHTTP2_FLAG_NONE, 0, 65537)); assert_int32(65537, ==, session->local_window_size); assert_int32(4096, ==, session->recv_window_size); assert_int32(0, ==, session->recv_reduction); assert_int32(65537 - 4096, ==, nghttp2_session_get_local_window_size(session)); item = nghttp2_session_get_next_ob_item(session); assert_int32(1, ==, item->frame.window_update.window_size_increment); assert_int(0, ==, nghttp2_session_send(session)); nghttp2_session_del(session); /* Make sure that nghttp2_session_set_local_window_size submits WINDOW_UPDATE if necessary to increase stream-level window. */ nghttp2_session_client_new(&session, &callbacks, NULL); stream = open_sent_stream(session, 1); stream->recv_window_size = NGHTTP2_INITIAL_WINDOW_SIZE; assert_int( 0, ==, nghttp2_session_set_local_window_size(session, NGHTTP2_FLAG_NONE, 1, 0)); assert_int32(0, ==, stream->recv_window_size); assert_int32(0, ==, nghttp2_session_get_stream_local_window_size(session, 1)); /* This should submit WINDOW_UPDATE frame because stream-level receiving window is now full. */ assert_int(0, ==, nghttp2_session_set_local_window_size( session, NGHTTP2_FLAG_NONE, 1, NGHTTP2_INITIAL_WINDOW_SIZE)); assert_int32(0, ==, stream->recv_window_size); assert_int32(NGHTTP2_INITIAL_WINDOW_SIZE, ==, nghttp2_session_get_stream_local_window_size(session, 1)); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_WINDOW_UPDATE, ==, item->frame.hd.type); assert_int32(1, ==, item->frame.hd.stream_id); assert_int32(NGHTTP2_INITIAL_WINDOW_SIZE, ==, item->frame.window_update.window_size_increment); nghttp2_session_del(session); /* Make sure that nghttp2_session_set_local_window_size submits WINDOW_UPDATE if necessary to increase connection-level window. */ nghttp2_session_client_new(&session, &callbacks, NULL); session->recv_window_size = NGHTTP2_INITIAL_WINDOW_SIZE; assert_int( 0, ==, nghttp2_session_set_local_window_size(session, NGHTTP2_FLAG_NONE, 0, 0)); assert_int32(0, ==, session->recv_window_size); assert_int32(0, ==, nghttp2_session_get_local_window_size(session)); /* This should submit WINDOW_UPDATE frame because connection-level receiving window is now full. */ assert_int(0, ==, nghttp2_session_set_local_window_size( session, NGHTTP2_FLAG_NONE, 0, NGHTTP2_INITIAL_WINDOW_SIZE)); assert_int32(0, ==, session->recv_window_size); assert_int32(NGHTTP2_INITIAL_WINDOW_SIZE, ==, nghttp2_session_get_local_window_size(session)); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_WINDOW_UPDATE, ==, item->frame.hd.type); assert_int32(0, ==, item->frame.hd.stream_id); assert_int32(NGHTTP2_INITIAL_WINDOW_SIZE, ==, item->frame.window_update.window_size_increment); nghttp2_session_del(session); } void test_nghttp2_session_cancel_from_before_frame_send(void) { int rv; nghttp2_session *session; nghttp2_session_callbacks callbacks; my_user_data ud; nghttp2_settings_entry iv; nghttp2_data_provider2 data_prd; int32_t stream_id; nghttp2_stream *stream; memset(&callbacks, 0, sizeof(callbacks)); callbacks.before_frame_send_callback = cancel_before_frame_send_callback; callbacks.on_frame_not_send_callback = on_frame_not_send_callback; callbacks.send_callback2 = null_send_callback; nghttp2_session_client_new(&session, &callbacks, &ud); iv.settings_id = 0; iv.value = 1000000009; rv = nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, &iv, 1); assert_int(0, ==, rv); ud.frame_send_cb_called = 0; ud.before_frame_send_cb_called = 0; ud.frame_not_send_cb_called = 0; rv = nghttp2_session_send(session); assert_int(0, ==, rv); assert_int(0, ==, ud.frame_send_cb_called); assert_int(1, ==, ud.before_frame_send_cb_called); assert_int(1, ==, ud.frame_not_send_cb_called); data_prd.source.ptr = NULL; data_prd.read_callback = temporal_failure_data_source_read_callback; stream_id = nghttp2_submit_request2(session, NULL, reqnv, ARRLEN(reqnv), &data_prd, NULL); assert_int32(0, <, stream_id); ud.frame_send_cb_called = 0; ud.before_frame_send_cb_called = 0; ud.frame_not_send_cb_called = 0; rv = nghttp2_session_send(session); assert_int(0, ==, rv); assert_int(0, ==, ud.frame_send_cb_called); assert_int(1, ==, ud.before_frame_send_cb_called); assert_int(1, ==, ud.frame_not_send_cb_called); stream = nghttp2_session_get_stream_raw(session, stream_id); assert_null(stream); nghttp2_session_del(session); nghttp2_session_server_new(&session, &callbacks, &ud); open_recv_stream(session, 1); stream_id = nghttp2_submit_push_promise(session, NGHTTP2_FLAG_NONE, 1, reqnv, ARRLEN(reqnv), NULL); assert_int32(0, <, stream_id); ud.frame_send_cb_called = 0; ud.before_frame_send_cb_called = 0; ud.frame_not_send_cb_called = 0; rv = nghttp2_session_send(session); assert_int(0, ==, rv); assert_int(0, ==, ud.frame_send_cb_called); assert_int(1, ==, ud.before_frame_send_cb_called); assert_int(1, ==, ud.frame_not_send_cb_called); stream = nghttp2_session_get_stream_raw(session, stream_id); assert_null(stream); nghttp2_session_del(session); } void test_nghttp2_session_too_many_settings(void) { nghttp2_session *session; nghttp2_option *option; nghttp2_session_callbacks callbacks; nghttp2_frame frame; nghttp2_bufs bufs; nghttp2_buf *buf; nghttp2_ssize rv; my_user_data ud; nghttp2_settings_entry iv[3]; nghttp2_mem *mem; nghttp2_outbound_item *item; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.on_frame_recv_callback = on_frame_recv_callback; callbacks.send_callback2 = null_send_callback; nghttp2_option_new(&option); nghttp2_option_set_max_settings(option, 1); nghttp2_session_client_new2(&session, &callbacks, &ud, option); assert_size(1, ==, session->max_settings); nghttp2_option_del(option); iv[0].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE; iv[0].value = 3000; iv[1].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE; iv[1].value = 16384; nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_NONE, dup_iv(iv, 2), 2); rv = nghttp2_frame_pack_settings(&bufs, &frame.settings); assert_ptrdiff(0, ==, rv); assert_size(0, <, nghttp2_bufs_len(&bufs)); nghttp2_frame_settings_free(&frame.settings, mem); buf = &bufs.head->buf; assert(nghttp2_bufs_len(&bufs) == nghttp2_buf_len(buf)); ud.frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); nghttp2_bufs_reset(&bufs); nghttp2_bufs_free(&bufs); nghttp2_session_del(session); } static void prepare_session_removed_closed_stream(nghttp2_session *session, nghttp2_hd_deflater *deflater) { int rv; nghttp2_settings_entry iv; nghttp2_bufs bufs; nghttp2_mem *mem; nghttp2_ssize nread; int i; nghttp2_stream *stream; nghttp2_frame_hd hd; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); iv.settings_id = NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS; iv.value = 2; rv = nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, &iv, 1); assert_int(0, ==, rv); rv = nghttp2_session_send(session); assert_int(0, ==, rv); for (i = 1; i <= 3; i += 2) { rv = pack_headers(&bufs, deflater, i, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_END_STREAM, reqnv, ARRLEN(reqnv), mem); assert_int(0, ==, rv); nread = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, nread); nghttp2_bufs_reset(&bufs); } nghttp2_session_close_stream(session, 3, NGHTTP2_NO_ERROR); rv = pack_headers(&bufs, deflater, 5, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_END_STREAM, reqnv, ARRLEN(reqnv), mem); assert_int(0, ==, rv); /* Receiving stream 5 will erase stream 3 from closed stream list */ nread = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, nread); stream = nghttp2_session_get_stream_raw(session, 3); assert_null(stream); /* Since the current max concurrent streams is NGHTTP2_DEFAULT_MAX_CONCURRENT_STREAMS, receiving frame on stream 3 is ignored. */ nghttp2_bufs_reset(&bufs); rv = pack_headers(&bufs, deflater, 3, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_END_STREAM, trailernv, ARRLEN(trailernv), mem); assert_int(0, ==, rv); nread = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, nread); assert_null(nghttp2_session_get_next_ob_item(session)); nghttp2_frame_hd_init(&hd, 0, NGHTTP2_DATA, NGHTTP2_FLAG_NONE, 3); nghttp2_bufs_reset(&bufs); nghttp2_frame_pack_frame_hd(bufs.head->buf.last, &hd); bufs.head->buf.last += NGHTTP2_FRAME_HDLEN; nread = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, nread); assert_null(nghttp2_session_get_next_ob_item(session)); /* Now server receives SETTINGS ACK */ nghttp2_frame_hd_init(&hd, 0, NGHTTP2_SETTINGS, NGHTTP2_FLAG_ACK, 0); nghttp2_bufs_reset(&bufs); nghttp2_frame_pack_frame_hd(bufs.head->buf.last, &hd); bufs.head->buf.last += NGHTTP2_FRAME_HDLEN; nread = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, nread); nghttp2_bufs_free(&bufs); } void test_nghttp2_session_removed_closed_stream(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; int rv; nghttp2_hd_deflater deflater; nghttp2_bufs bufs; nghttp2_mem *mem; nghttp2_ssize nread; nghttp2_frame_hd hd; nghttp2_outbound_item *item; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_server_new(&session, &callbacks, NULL); /* Now local max concurrent streams is still unlimited, pending max concurrent streams is now 2. */ nghttp2_hd_deflate_init(&deflater, mem); prepare_session_removed_closed_stream(session, &deflater); /* Now current max concurrent streams is 2. Receiving frame on stream 3 is ignored because we have no stream object for stream 3. */ nghttp2_bufs_reset(&bufs); rv = pack_headers(&bufs, &deflater, 3, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_END_STREAM, trailernv, ARRLEN(trailernv), mem); assert_int(0, ==, rv); nread = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, nread); item = nghttp2_session_get_next_ob_item(session); assert_null(item); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_session_server_new(&session, &callbacks, NULL); nghttp2_hd_deflate_init(&deflater, mem); /* Same setup, and then receive DATA instead of HEADERS */ prepare_session_removed_closed_stream(session, &deflater); nghttp2_frame_hd_init(&hd, 0, NGHTTP2_DATA, NGHTTP2_FLAG_NONE, 3); nghttp2_bufs_reset(&bufs); nghttp2_frame_pack_frame_hd(bufs.head->buf.last, &hd); bufs.head->buf.last += NGHTTP2_FRAME_HDLEN; nread = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_bufs_len(&bufs)); assert_ptrdiff((nghttp2_ssize)nghttp2_bufs_len(&bufs), ==, nread); item = nghttp2_session_get_next_ob_item(session); assert_null(item); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_bufs_free(&bufs); } static nghttp2_ssize pause_once_data_source_read_callback( nghttp2_session *session, int32_t stream_id, uint8_t *buf, size_t len, uint32_t *data_flags, nghttp2_data_source *source, void *user_data) { my_user_data *ud = user_data; if (ud->data_source_read_cb_paused == 0) { ++ud->data_source_read_cb_paused; return NGHTTP2_ERR_PAUSE; } return fixed_length_data_source_read_callback(session, stream_id, buf, len, data_flags, source, user_data); } void test_nghttp2_session_pause_data(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_data_provider2 data_prd; my_user_data ud; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_frame_send_callback = on_frame_send_callback; data_prd.read_callback = pause_once_data_source_read_callback; ud.data_source_length = NGHTTP2_DATA_PAYLOADLEN; nghttp2_session_server_new(&session, &callbacks, &ud); open_recv_stream(session, 1); assert_int( 0, ==, nghttp2_submit_data2(session, NGHTTP2_FLAG_END_STREAM, 1, &data_prd)); ud.frame_send_cb_called = 0; ud.data_source_read_cb_paused = 0; assert_int(0, ==, nghttp2_session_send(session)); assert_int(0, ==, ud.frame_send_cb_called); assert_null(session->aob.item); assert_int(0, ==, nghttp2_session_send(session)); assert_int(1, ==, ud.frame_send_cb_called); assert_uint8(NGHTTP2_DATA, ==, ud.sent_frame_type); assert_null(nghttp2_session_get_next_ob_item(session)); nghttp2_session_del(session); } void test_nghttp2_session_no_closed_streams(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_option *option; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); nghttp2_option_new(&option); nghttp2_option_set_no_closed_streams(option, 1); nghttp2_session_server_new2(&session, &callbacks, NULL, option); open_recv_stream(session, 1); nghttp2_session_close_stream(session, 1, NGHTTP2_NO_ERROR); assert_size(0, ==, session->num_closed_streams); nghttp2_session_del(session); nghttp2_option_del(option); } void test_nghttp2_session_set_stream_user_data(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; int32_t stream_id; int user_data1, user_data2; int rv; const uint8_t *datap; nghttp2_ssize datalen; memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); nghttp2_session_client_new(&session, &callbacks, NULL); stream_id = nghttp2_submit_request2(session, NULL, reqnv, ARRLEN(reqnv), NULL, &user_data1); rv = nghttp2_session_set_stream_user_data(session, stream_id, &user_data2); assert_int(0, ==, rv); datalen = nghttp2_session_mem_send2(session, &datap); assert_ptrdiff(0, <, datalen); assert_ptr_equal(&user_data2, nghttp2_session_get_stream_user_data(session, stream_id)); assert_int(NGHTTP2_ERR_INVALID_ARGUMENT, ==, nghttp2_session_set_stream_user_data(session, 2, NULL)); nghttp2_session_del(session); } void test_nghttp2_session_no_rfc7540_priorities(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_data_provider2 data_prd; my_user_data ud; nghttp2_outbound_item *item; nghttp2_mem *mem; nghttp2_settings_entry iv; nghttp2_priority_spec pri_spec; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; /* Do not use a dependency tree if SETTINGS_NO_RFC7540_PRIORITIES = 1. */ data_prd.read_callback = fixed_length_data_source_read_callback; ud.data_source_length = 128 * 1024; assert_int(0, ==, nghttp2_session_server_new(&session, &callbacks, &ud)); iv.settings_id = NGHTTP2_SETTINGS_NO_RFC7540_PRIORITIES; iv.value = 1; assert_int(0, ==, nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, &iv, 1)); assert_int(0, ==, nghttp2_session_send(session)); open_recv_stream2(session, 1, NGHTTP2_STREAM_OPENING); assert_int( 0, ==, nghttp2_submit_response2(session, 1, resnv, ARRLEN(resnv), &data_prd)); item = nghttp2_session_get_next_ob_item(session); assert_size(ARRLEN(resnv), ==, item->frame.headers.nvlen); assert_nv_equal(resnv, item->frame.headers.nva, item->frame.headers.nvlen, mem); assert_int(0, ==, nghttp2_session_send(session)); assert_size( 1, ==, nghttp2_pq_size(&session->sched[NGHTTP2_EXTPRI_DEFAULT_URGENCY].ob_data)); assert_true(nghttp2_pq_empty(&session->root.obq)); nghttp2_session_del(session); /* Priorities are sent as is before client receives SETTINGS_NO_RFC7540_PRIORITIES = 1 from server. */ assert_int(0, ==, nghttp2_session_client_new(&session, &callbacks, NULL)); iv.settings_id = NGHTTP2_SETTINGS_NO_RFC7540_PRIORITIES; iv.value = 1; assert_int(0, ==, nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, &iv, 1)); pri_spec.stream_id = 5; pri_spec.weight = 111; pri_spec.exclusive = 1; assert_int32(1, ==, nghttp2_submit_request2(session, &pri_spec, reqnv, ARRLEN(reqnv), NULL, NULL)); item = nghttp2_outbound_queue_top(&session->ob_syn); assert_not_null(item); assert_uint8(NGHTTP2_HEADERS, ==, item->frame.hd.type); assert_int32(pri_spec.stream_id, ==, item->frame.headers.pri_spec.stream_id); assert_int32(pri_spec.weight, ==, item->frame.headers.pri_spec.weight); assert_uint8(pri_spec.exclusive, ==, item->frame.headers.pri_spec.exclusive); nghttp2_session_del(session); /* Priorities are defaulted if client received SETTINGS_NO_RFC7540_PRIORITIES = 1 from server. */ assert_int(0, ==, nghttp2_session_client_new(&session, &callbacks, NULL)); iv.settings_id = NGHTTP2_SETTINGS_NO_RFC7540_PRIORITIES; iv.value = 1; assert_int(0, ==, nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, &iv, 1)); session->remote_settings.no_rfc7540_priorities = 1; pri_spec.stream_id = 5; pri_spec.weight = 111; pri_spec.exclusive = 1; assert_int32(1, ==, nghttp2_submit_request2(session, &pri_spec, reqnv, ARRLEN(reqnv), NULL, NULL)); item = nghttp2_outbound_queue_top(&session->ob_syn); assert_not_null(item); assert_uint8(NGHTTP2_HEADERS, ==, item->frame.hd.type); assert_true( nghttp2_priority_spec_check_default(&item->frame.headers.pri_spec)); nghttp2_session_del(session); } void test_nghttp2_session_server_fallback_rfc7540_priorities(void) { nghttp2_session *session; nghttp2_option *option; nghttp2_session_callbacks callbacks; nghttp2_frame frame; nghttp2_bufs bufs; nghttp2_buf *buf; nghttp2_ssize rv; nghttp2_settings_entry iv; nghttp2_mem *mem; nghttp2_hd_deflater deflater; nghttp2_nv *nva; size_t nvlen; nghttp2_priority_spec pri_spec; nghttp2_stream *anchor_stream, *stream; my_user_data ud; nghttp2_ext_priority_update priority_update; static const uint8_t field_value[] = "u=0"; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_frame_recv_callback = on_frame_recv_callback; nghttp2_option_new(&option); nghttp2_option_set_server_fallback_rfc7540_priorities(option, 1); iv.settings_id = NGHTTP2_SETTINGS_NO_RFC7540_PRIORITIES; iv.value = 1; /* Server falls back to RFC 7540 priorities. */ nghttp2_session_server_new2(&session, &callbacks, &ud, option); rv = nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, &iv, 1); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_send(session); assert_ptrdiff(0, ==, rv); nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_NONE, NULL, 0); rv = nghttp2_frame_pack_settings(&bufs, &frame.settings); assert_ptrdiff(0, ==, rv); nghttp2_frame_settings_free(&frame.settings, mem); buf = &bufs.head->buf; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); assert_true(session->fallback_rfc7540_priorities); nghttp2_hd_deflate_init(&deflater, mem); nvlen = ARRLEN(reqnv); nghttp2_nv_array_copy(&nva, reqnv, nvlen, mem); nghttp2_priority_spec_init(&pri_spec, 3, 111, 1); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_PRIORITY, 1, NGHTTP2_HCAT_HEADERS, &pri_spec, nva, nvlen); nghttp2_bufs_reset(&bufs); rv = nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater); assert_ptrdiff(0, ==, rv); nghttp2_frame_headers_free(&frame.headers, mem); buf = &bufs.head->buf; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); anchor_stream = nghttp2_session_get_stream_raw(session, 3); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_IDLE, ==, anchor_stream->state); assert_false(anchor_stream->flags & NGHTTP2_STREAM_FLAG_NO_RFC7540_PRIORITIES); assert_ptr_equal(&session->root, anchor_stream->dep_prev); stream = nghttp2_session_get_stream(session, 1); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_OPENING, ==, stream->state); assert_false(stream->flags & NGHTTP2_STREAM_FLAG_NO_RFC7540_PRIORITIES); assert_ptr_equal(anchor_stream, stream->dep_prev); /* Make sure that PRIORITY frame updates stream priority. */ nghttp2_priority_spec_init(&pri_spec, 5, 1, 0); nghttp2_frame_priority_init(&frame.priority, 1, &pri_spec); nghttp2_bufs_reset(&bufs); nghttp2_frame_pack_priority(&bufs, &frame.priority); nghttp2_frame_priority_free(&frame.priority); buf = &bufs.head->buf; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); anchor_stream = nghttp2_session_get_stream_raw(session, 5); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_IDLE, ==, anchor_stream->state); assert_ptr_equal(&session->root, anchor_stream->dep_prev); assert_ptr_equal(anchor_stream, stream->dep_prev); /* Make sure that PRIORITY_UPDATE frame is ignored. */ frame.ext.payload = &priority_update; nghttp2_frame_priority_update_init(&frame.ext, 1, (uint8_t *)field_value, sizeof(field_value) - 1); nghttp2_bufs_reset(&bufs); nghttp2_frame_pack_priority_update(&bufs, &frame.ext); ud.frame_recv_cb_called = 0; buf = &bufs.head->buf; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); assert_int(0, ==, ud.frame_recv_cb_called); assert_uint32(NGHTTP2_EXTPRI_DEFAULT_URGENCY, ==, stream->extpri); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); /* Server does not fallback to RFC 7540 priorities. */ nghttp2_session_server_new2(&session, &callbacks, &ud, option); rv = nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, &iv, 1); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_send(session); assert_ptrdiff(0, ==, rv); iv.settings_id = NGHTTP2_SETTINGS_NO_RFC7540_PRIORITIES; iv.value = 0; nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_NONE, dup_iv(&iv, 1), 1); nghttp2_bufs_reset(&bufs); rv = nghttp2_frame_pack_settings(&bufs, &frame.settings); assert_ptrdiff(0, ==, rv); nghttp2_frame_settings_free(&frame.settings, mem); buf = &bufs.head->buf; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); assert_false(session->fallback_rfc7540_priorities); nghttp2_hd_deflate_init(&deflater, mem); nvlen = ARRLEN(reqnv); nghttp2_nv_array_copy(&nva, reqnv, nvlen, mem); nghttp2_priority_spec_init(&pri_spec, 3, 111, 1); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_PRIORITY, 1, NGHTTP2_HCAT_HEADERS, &pri_spec, nva, nvlen); nghttp2_bufs_reset(&bufs); rv = nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater); assert_ptrdiff(0, ==, rv); nghttp2_frame_headers_free(&frame.headers, mem); buf = &bufs.head->buf; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); assert_null(nghttp2_session_get_stream_raw(session, 3)); stream = nghttp2_session_get_stream(session, 1); assert_enum(nghttp2_stream_state, NGHTTP2_STREAM_OPENING, ==, stream->state); assert_true(stream->flags & NGHTTP2_STREAM_FLAG_NO_RFC7540_PRIORITIES); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_option_del(option); nghttp2_bufs_free(&bufs); } void test_nghttp2_session_stream_reset_ratelim(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_frame frame; nghttp2_ssize rv; nghttp2_bufs bufs; nghttp2_buf *buf; nghttp2_mem *mem; size_t i; nghttp2_hd_deflater deflater; size_t nvlen; nghttp2_nv *nva; int32_t stream_id; nghttp2_outbound_item *item; nghttp2_option *option; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_option_new(&option); nghttp2_option_set_stream_reset_rate_limit( option, NGHTTP2_DEFAULT_STREAM_RESET_BURST, 0); nghttp2_session_server_new2(&session, &callbacks, NULL, option); nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_NONE, NULL, 0); rv = nghttp2_frame_pack_settings(&bufs, &frame.settings); assert_ptrdiff(0, ==, rv); nghttp2_frame_settings_free(&frame.settings, mem); buf = &bufs.head->buf; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); /* Send SETTINGS ACK */ rv = nghttp2_session_send(session); assert_ptrdiff(0, ==, rv); nghttp2_hd_deflate_init(&deflater, mem); for (i = 0; i < NGHTTP2_DEFAULT_STREAM_RESET_BURST + 2; ++i) { stream_id = (int32_t)(i * 2 + 1); nghttp2_bufs_reset(&bufs); /* HEADERS */ nvlen = ARRLEN(reqnv); nghttp2_nv_array_copy(&nva, reqnv, nvlen, mem); nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_HEADERS, stream_id, NGHTTP2_HCAT_HEADERS, NULL, nva, nvlen); rv = nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater); assert_ptrdiff(0, ==, rv); nghttp2_frame_headers_free(&frame.headers, mem); buf = &bufs.head->buf; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); nghttp2_bufs_reset(&bufs); /* RST_STREAM */ nghttp2_frame_rst_stream_init(&frame.rst_stream, stream_id, NGHTTP2_NO_ERROR); nghttp2_frame_pack_rst_stream(&bufs, &frame.rst_stream); nghttp2_frame_rst_stream_free(&frame.rst_stream); buf = &bufs.head->buf; rv = nghttp2_session_mem_recv2(session, buf->pos, nghttp2_buf_len(buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(buf), ==, rv); if (i < NGHTTP2_DEFAULT_STREAM_RESET_BURST) { assert_size(0, ==, nghttp2_outbound_queue_size(&session->ob_reg)); continue; } assert_size(1, ==, nghttp2_outbound_queue_size(&session->ob_reg)); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_GOAWAY, ==, item->frame.hd.type); assert_int32(NGHTTP2_DEFAULT_STREAM_RESET_BURST * 2 + 1, ==, item->frame.goaway.last_stream_id); } nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_bufs_free(&bufs); nghttp2_option_del(option); } static void check_nghttp2_http_recv_headers_fail( nghttp2_session *session, nghttp2_hd_deflater *deflater, int32_t stream_id, int stream_state, const nghttp2_nv *nva, size_t nvlen) { nghttp2_mem *mem; nghttp2_ssize rv; nghttp2_outbound_item *item; nghttp2_bufs bufs; my_user_data *ud; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); ud = session->user_data; if (stream_state != -1) { if (nghttp2_session_is_my_stream_id(session, stream_id)) { open_sent_stream2(session, stream_id, (nghttp2_stream_state)stream_state); } else { open_recv_stream2(session, stream_id, (nghttp2_stream_state)stream_state); } } rv = pack_headers(&bufs, deflater, stream_id, NGHTTP2_FLAG_END_HEADERS, nva, nvlen, mem); assert_ptrdiff(0, ==, rv); ud->invalid_frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_ptrdiff(1, ==, ud->invalid_frame_recv_cb_called); assert_int(0, ==, nghttp2_session_send(session)); nghttp2_bufs_free(&bufs); } static void check_nghttp2_http_recv_headers_ok( nghttp2_session *session, nghttp2_hd_deflater *deflater, int32_t stream_id, int stream_state, const nghttp2_nv *nva, size_t nvlen) { nghttp2_mem *mem; nghttp2_ssize rv; nghttp2_bufs bufs; my_user_data *ud; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); ud = session->user_data; if (stream_state != -1) { if (nghttp2_session_is_my_stream_id(session, stream_id)) { open_sent_stream2(session, stream_id, (nghttp2_stream_state)stream_state); } else { open_recv_stream2(session, stream_id, (nghttp2_stream_state)stream_state); } } rv = pack_headers(&bufs, deflater, stream_id, NGHTTP2_FLAG_END_HEADERS, nva, nvlen, mem); assert_ptrdiff(0, ==, rv); ud->frame_recv_cb_called = 0; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); assert_null(nghttp2_session_get_next_ob_item(session)); assert_int(1, ==, ud->frame_recv_cb_called); nghttp2_bufs_free(&bufs); } void test_nghttp2_http_mandatory_headers(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_hd_deflater deflater; nghttp2_mem *mem; my_user_data ud; /* test case for response */ const nghttp2_nv nostatus_resnv[] = {MAKE_NV("server", "foo")}; const nghttp2_nv dupstatus_resnv[] = {MAKE_NV(":status", "200"), MAKE_NV(":status", "200")}; const nghttp2_nv badpseudo_resnv[] = {MAKE_NV(":status", "200"), MAKE_NV(":scheme", "https")}; const nghttp2_nv latepseudo_resnv[] = {MAKE_NV("server", "foo"), MAKE_NV(":status", "200")}; const nghttp2_nv badstatus_resnv[] = {MAKE_NV(":status", "2000")}; const nghttp2_nv badcl_resnv[] = {MAKE_NV(":status", "200"), MAKE_NV("content-length", "-1")}; const nghttp2_nv dupcl_resnv[] = {MAKE_NV(":status", "200"), MAKE_NV("content-length", "0"), MAKE_NV("content-length", "0")}; const nghttp2_nv badhd_resnv[] = {MAKE_NV(":status", "200"), MAKE_NV("connection", "close")}; const nghttp2_nv cl1xx_resnv[] = {MAKE_NV(":status", "100"), MAKE_NV("content-length", "0")}; const nghttp2_nv cl204_resnv[] = {MAKE_NV(":status", "204"), MAKE_NV("content-length", "0")}; const nghttp2_nv clnonzero204_resnv[] = {MAKE_NV(":status", "204"), MAKE_NV("content-length", "100")}; const nghttp2_nv status101_resnv[] = {MAKE_NV(":status", "101")}; const nghttp2_nv unexpectedhost_resnv[] = {MAKE_NV(":status", "200"), MAKE_NV("host", "/localhost")}; /* test case for request */ const nghttp2_nv nopath_reqnv[] = {MAKE_NV(":scheme", "https"), MAKE_NV(":method", "GET"), MAKE_NV(":authority", "localhost")}; const nghttp2_nv earlyconnect_reqnv[] = { MAKE_NV(":method", "CONNECT"), MAKE_NV(":scheme", "https"), MAKE_NV(":path", "/"), MAKE_NV(":authority", "localhost")}; const nghttp2_nv lateconnect_reqnv[] = { MAKE_NV(":scheme", "https"), MAKE_NV(":path", "/"), MAKE_NV(":method", "CONNECT"), MAKE_NV(":authority", "localhost")}; const nghttp2_nv duppath_reqnv[] = { MAKE_NV(":scheme", "https"), MAKE_NV(":method", "GET"), MAKE_NV(":authority", "localhost"), MAKE_NV(":path", "/"), MAKE_NV(":path", "/")}; const nghttp2_nv badcl_reqnv[] = { MAKE_NV(":scheme", "https"), MAKE_NV(":method", "POST"), MAKE_NV(":authority", "localhost"), MAKE_NV(":path", "/"), MAKE_NV("content-length", "-1")}; const nghttp2_nv dupcl_reqnv[] = { MAKE_NV(":scheme", "https"), MAKE_NV(":method", "POST"), MAKE_NV(":authority", "localhost"), MAKE_NV(":path", "/"), MAKE_NV("content-length", "0"), MAKE_NV("content-length", "0")}; const nghttp2_nv badhd_reqnv[] = { MAKE_NV(":scheme", "https"), MAKE_NV(":method", "GET"), MAKE_NV(":authority", "localhost"), MAKE_NV(":path", "/"), MAKE_NV("connection", "close")}; const nghttp2_nv badauthority_reqnv[] = { MAKE_NV(":scheme", "https"), MAKE_NV(":method", "GET"), MAKE_NV(":authority", "\x0d\x0alocalhost"), MAKE_NV(":path", "/")}; const nghttp2_nv badhdbtw_reqnv[] = { MAKE_NV(":scheme", "https"), MAKE_NV(":method", "GET"), MAKE_NV("foo", "\x0d\x0a"), MAKE_NV(":authority", "localhost"), MAKE_NV(":path", "/")}; const nghttp2_nv asteriskget1_reqnv[] = { MAKE_NV(":path", "*"), MAKE_NV(":scheme", "https"), MAKE_NV(":authority", "localhost"), MAKE_NV(":method", "GET")}; const nghttp2_nv asteriskget2_reqnv[] = { MAKE_NV(":scheme", "https"), MAKE_NV(":authority", "localhost"), MAKE_NV(":method", "GET"), MAKE_NV(":path", "*")}; const nghttp2_nv asteriskoptions1_reqnv[] = { MAKE_NV(":path", "*"), MAKE_NV(":scheme", "https"), MAKE_NV(":authority", "localhost"), MAKE_NV(":method", "OPTIONS")}; const nghttp2_nv asteriskoptions2_reqnv[] = { MAKE_NV(":scheme", "https"), MAKE_NV(":authority", "localhost"), MAKE_NV(":method", "OPTIONS"), MAKE_NV(":path", "*")}; const nghttp2_nv connectproto_reqnv[] = { MAKE_NV(":scheme", "https"), MAKE_NV(":path", "/"), MAKE_NV(":method", "CONNECT"), MAKE_NV(":authority", "localhost"), MAKE_NV(":protocol", "websocket")}; const nghttp2_nv connectprotoget_reqnv[] = { MAKE_NV(":scheme", "https"), MAKE_NV(":path", "/"), MAKE_NV(":method", "GET"), MAKE_NV(":authority", "localhost"), MAKE_NV(":protocol", "websocket")}; const nghttp2_nv connectprotonopath_reqnv[] = { MAKE_NV(":scheme", "https"), MAKE_NV(":method", "CONNECT"), MAKE_NV(":authority", "localhost"), MAKE_NV(":protocol", "websocket")}; const nghttp2_nv connectprotonoauth_reqnv[] = { MAKE_NV(":scheme", "http"), MAKE_NV(":path", "/"), MAKE_NV(":method", "CONNECT"), MAKE_NV("host", "localhost"), MAKE_NV(":protocol", "websocket")}; const nghttp2_nv regularconnect_reqnv[] = { MAKE_NV(":method", "CONNECT"), MAKE_NV(":authority", "localhost")}; mem = nghttp2_mem_default(); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_frame_recv_callback = on_frame_recv_callback; callbacks.on_invalid_frame_recv_callback = on_invalid_frame_recv_callback; nghttp2_session_client_new(&session, &callbacks, &ud); nghttp2_hd_deflate_init(&deflater, mem); /* response header lacks :status */ check_nghttp2_http_recv_headers_fail(session, &deflater, 1, NGHTTP2_STREAM_OPENING, nostatus_resnv, ARRLEN(nostatus_resnv)); /* response header has 2 :status */ check_nghttp2_http_recv_headers_fail(session, &deflater, 3, NGHTTP2_STREAM_OPENING, dupstatus_resnv, ARRLEN(dupstatus_resnv)); /* response header has bad pseudo header :scheme */ check_nghttp2_http_recv_headers_fail(session, &deflater, 5, NGHTTP2_STREAM_OPENING, badpseudo_resnv, ARRLEN(badpseudo_resnv)); /* response header has :status after regular header field */ check_nghttp2_http_recv_headers_fail(session, &deflater, 7, NGHTTP2_STREAM_OPENING, latepseudo_resnv, ARRLEN(latepseudo_resnv)); /* response header has bad status code */ check_nghttp2_http_recv_headers_fail(session, &deflater, 9, NGHTTP2_STREAM_OPENING, badstatus_resnv, ARRLEN(badstatus_resnv)); /* response header has bad content-length */ check_nghttp2_http_recv_headers_fail(session, &deflater, 11, NGHTTP2_STREAM_OPENING, badcl_resnv, ARRLEN(badcl_resnv)); /* response header has multiple content-length */ check_nghttp2_http_recv_headers_fail(session, &deflater, 13, NGHTTP2_STREAM_OPENING, dupcl_resnv, ARRLEN(dupcl_resnv)); /* response header has disallowed header field */ check_nghttp2_http_recv_headers_fail(session, &deflater, 15, NGHTTP2_STREAM_OPENING, badhd_resnv, ARRLEN(badhd_resnv)); /* response header has content-length with 100 status code */ check_nghttp2_http_recv_headers_fail(session, &deflater, 17, NGHTTP2_STREAM_OPENING, cl1xx_resnv, ARRLEN(cl1xx_resnv)); /* response header has 0 content-length with 204 status code */ check_nghttp2_http_recv_headers_ok(session, &deflater, 19, NGHTTP2_STREAM_OPENING, cl204_resnv, ARRLEN(cl204_resnv)); /* response header has nonzero content-length with 204 status code */ check_nghttp2_http_recv_headers_fail( session, &deflater, 21, NGHTTP2_STREAM_OPENING, clnonzero204_resnv, ARRLEN(clnonzero204_resnv)); /* status code 101 should not be used in HTTP/2 because it is used for HTTP Upgrade which HTTP/2 removes. */ check_nghttp2_http_recv_headers_fail(session, &deflater, 23, NGHTTP2_STREAM_OPENING, status101_resnv, ARRLEN(status101_resnv)); /* Specific characters check for host field in response header should not be done as its use is undefined. */ check_nghttp2_http_recv_headers_ok( session, &deflater, 25, NGHTTP2_STREAM_OPENING, unexpectedhost_resnv, ARRLEN(unexpectedhost_resnv)); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); /* check server side */ nghttp2_session_server_new(&session, &callbacks, &ud); nghttp2_hd_deflate_init(&deflater, mem); /* request header has no :path */ check_nghttp2_http_recv_headers_fail(session, &deflater, 1, -1, nopath_reqnv, ARRLEN(nopath_reqnv)); /* request header has CONNECT method, but followed by :path */ check_nghttp2_http_recv_headers_fail(session, &deflater, 3, -1, earlyconnect_reqnv, ARRLEN(earlyconnect_reqnv)); /* request header has CONNECT method following :path */ check_nghttp2_http_recv_headers_fail( session, &deflater, 5, -1, lateconnect_reqnv, ARRLEN(lateconnect_reqnv)); /* request header has multiple :path */ check_nghttp2_http_recv_headers_fail(session, &deflater, 7, -1, duppath_reqnv, ARRLEN(duppath_reqnv)); /* request header has bad content-length */ check_nghttp2_http_recv_headers_fail(session, &deflater, 9, -1, badcl_reqnv, ARRLEN(badcl_reqnv)); /* request header has multiple content-length */ check_nghttp2_http_recv_headers_fail(session, &deflater, 11, -1, dupcl_reqnv, ARRLEN(dupcl_reqnv)); /* request header has disallowed header field */ check_nghttp2_http_recv_headers_fail(session, &deflater, 13, -1, badhd_reqnv, ARRLEN(badhd_reqnv)); /* request header has :authority header field containing illegal characters */ check_nghttp2_http_recv_headers_fail(session, &deflater, 15, -1, badauthority_reqnv, ARRLEN(badauthority_reqnv)); /* request header has regular header field containing illegal character before all mandatory header fields are seen. */ check_nghttp2_http_recv_headers_fail(session, &deflater, 17, -1, badhdbtw_reqnv, ARRLEN(badhdbtw_reqnv)); /* request header has "*" in :path header field while method is GET. :path is received before :method */ check_nghttp2_http_recv_headers_fail(session, &deflater, 19, -1, asteriskget1_reqnv, ARRLEN(asteriskget1_reqnv)); /* request header has "*" in :path header field while method is GET. :method is received before :path */ check_nghttp2_http_recv_headers_fail(session, &deflater, 21, -1, asteriskget2_reqnv, ARRLEN(asteriskget2_reqnv)); /* OPTIONS method can include "*" in :path header field. :path is received before :method. */ check_nghttp2_http_recv_headers_ok(session, &deflater, 23, -1, asteriskoptions1_reqnv, ARRLEN(asteriskoptions1_reqnv)); /* OPTIONS method can include "*" in :path header field. :method is received before :path. */ check_nghttp2_http_recv_headers_ok(session, &deflater, 25, -1, asteriskoptions2_reqnv, ARRLEN(asteriskoptions2_reqnv)); /* :protocol is not allowed unless it is enabled by the local endpoint. */ check_nghttp2_http_recv_headers_fail(session, &deflater, 27, -1, connectproto_reqnv, ARRLEN(connectproto_reqnv)); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); /* enable SETTINGS_CONNECT_PROTOCOL */ nghttp2_session_server_new(&session, &callbacks, &ud); session->pending_enable_connect_protocol = 1; nghttp2_hd_deflate_init(&deflater, mem); /* :protocol is allowed if SETTINGS_CONNECT_PROTOCOL is enabled by the local endpoint. */ check_nghttp2_http_recv_headers_ok(session, &deflater, 1, -1, connectproto_reqnv, ARRLEN(connectproto_reqnv)); /* :protocol is only allowed with CONNECT method. */ check_nghttp2_http_recv_headers_fail(session, &deflater, 3, -1, connectprotoget_reqnv, ARRLEN(connectprotoget_reqnv)); /* CONNECT method with :protocol requires :path. */ check_nghttp2_http_recv_headers_fail(session, &deflater, 5, -1, connectprotonopath_reqnv, ARRLEN(connectprotonopath_reqnv)); /* CONNECT method with :protocol requires :authority. */ check_nghttp2_http_recv_headers_fail(session, &deflater, 7, -1, connectprotonoauth_reqnv, ARRLEN(connectprotonoauth_reqnv)); /* regular CONNECT method should succeed with SETTINGS_CONNECT_PROTOCOL */ check_nghttp2_http_recv_headers_ok(session, &deflater, 9, -1, regularconnect_reqnv, ARRLEN(regularconnect_reqnv)); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); } void test_nghttp2_http_content_length(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_hd_deflater deflater; nghttp2_mem *mem; nghttp2_bufs bufs; nghttp2_ssize rv; nghttp2_stream *stream; const nghttp2_nv cl_resnv[] = {MAKE_NV(":status", "200"), MAKE_NV("te", "trailers"), MAKE_NV("content-length", "9000000000")}; const nghttp2_nv cl_reqnv[] = { MAKE_NV(":path", "/"), MAKE_NV(":method", "PUT"), MAKE_NV(":scheme", "https"), MAKE_NV("te", "trailers"), MAKE_NV("host", "localhost"), MAKE_NV("content-length", "9000000000")}; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_client_new(&session, &callbacks, NULL); nghttp2_hd_deflate_init(&deflater, mem); stream = open_sent_stream2(session, 1, NGHTTP2_STREAM_OPENING); rv = pack_headers(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS, cl_resnv, ARRLEN(cl_resnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); assert_null(nghttp2_session_get_next_ob_item(session)); assert_int64(9000000000LL, ==, stream->content_length); assert_int16(200, ==, stream->status_code); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_bufs_reset(&bufs); /* check server side */ nghttp2_session_server_new(&session, &callbacks, NULL); nghttp2_hd_deflate_init(&deflater, mem); rv = pack_headers(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS, cl_reqnv, ARRLEN(cl_reqnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); stream = nghttp2_session_get_stream(session, 1); assert_null(nghttp2_session_get_next_ob_item(session)); assert_int64(9000000000LL, ==, stream->content_length); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_bufs_free(&bufs); } void test_nghttp2_http_content_length_mismatch(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_hd_deflater deflater; nghttp2_mem *mem; nghttp2_bufs bufs; nghttp2_ssize rv; const nghttp2_nv cl_reqnv[] = { MAKE_NV(":path", "/"), MAKE_NV(":method", "PUT"), MAKE_NV(":authority", "localhost"), MAKE_NV(":scheme", "https"), MAKE_NV("content-length", "20")}; const nghttp2_nv cl_resnv[] = {MAKE_NV(":status", "200"), MAKE_NV("content-length", "20")}; nghttp2_outbound_item *item; nghttp2_frame_hd hd; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_server_new(&session, &callbacks, NULL); nghttp2_hd_deflate_init(&deflater, mem); /* header says content-length: 20, but HEADERS has END_STREAM flag set */ rv = pack_headers(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_END_STREAM, cl_reqnv, ARRLEN(cl_reqnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_int(0, ==, nghttp2_session_send(session)); nghttp2_bufs_reset(&bufs); /* header says content-length: 20, but DATA has 0 byte */ rv = pack_headers(&bufs, &deflater, 3, NGHTTP2_FLAG_END_HEADERS, cl_reqnv, ARRLEN(cl_reqnv), mem); assert_ptrdiff(0, ==, rv); nghttp2_frame_hd_init(&hd, 0, NGHTTP2_DATA, NGHTTP2_FLAG_END_STREAM, 3); nghttp2_frame_pack_frame_hd(bufs.head->buf.last, &hd); bufs.head->buf.last += NGHTTP2_FRAME_HDLEN; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_int(0, ==, nghttp2_session_send(session)); nghttp2_bufs_reset(&bufs); /* header says content-length: 20, but DATA has 21 bytes */ rv = pack_headers(&bufs, &deflater, 5, NGHTTP2_FLAG_END_HEADERS, cl_reqnv, ARRLEN(cl_reqnv), mem); assert_ptrdiff(0, ==, rv); nghttp2_frame_hd_init(&hd, 21, NGHTTP2_DATA, NGHTTP2_FLAG_END_STREAM, 5); nghttp2_frame_pack_frame_hd(bufs.head->buf.last, &hd); bufs.head->buf.last += NGHTTP2_FRAME_HDLEN + 21; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_int(0, ==, nghttp2_session_send(session)); nghttp2_bufs_reset(&bufs); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); /* Check for client */ nghttp2_session_client_new(&session, &callbacks, NULL); nghttp2_hd_deflate_init(&deflater, mem); /* header says content-length: 20, but HEADERS has END_STREAM flag set */ nghttp2_submit_request2(session, NULL, reqnv, ARRLEN(reqnv), NULL, NULL); assert_int(0, ==, nghttp2_session_send(session)); rv = pack_headers(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_END_STREAM, cl_resnv, ARRLEN(cl_resnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_not_null(nghttp2_session_get_stream(session, 1)); assert_int(0, ==, nghttp2_session_send(session)); /* After sending RST_STREAM, stream must be closed */ assert_null(nghttp2_session_get_stream(session, 1)); nghttp2_bufs_reset(&bufs); /* header says content-length: 20, but DATA has 0 byte */ nghttp2_submit_request2(session, NULL, reqnv, ARRLEN(reqnv), NULL, NULL); assert_int(0, ==, nghttp2_session_send(session)); rv = pack_headers(&bufs, &deflater, 3, NGHTTP2_FLAG_END_HEADERS, cl_resnv, ARRLEN(cl_resnv), mem); assert_ptrdiff(0, ==, rv); nghttp2_frame_hd_init(&hd, 0, NGHTTP2_DATA, NGHTTP2_FLAG_END_STREAM, 3); nghttp2_frame_pack_frame_hd(bufs.head->buf.last, &hd); bufs.head->buf.last += NGHTTP2_FRAME_HDLEN; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_not_null(nghttp2_session_get_stream(session, 3)); assert_int(0, ==, nghttp2_session_send(session)); /* After sending RST_STREAM, stream must be closed */ assert_null(nghttp2_session_get_stream(session, 3)); nghttp2_bufs_reset(&bufs); /* header says content-length: 20, but DATA has 21 bytes */ nghttp2_submit_request2(session, NULL, reqnv, ARRLEN(reqnv), NULL, NULL); assert_int(0, ==, nghttp2_session_send(session)); rv = pack_headers(&bufs, &deflater, 5, NGHTTP2_FLAG_END_HEADERS, cl_resnv, ARRLEN(cl_resnv), mem); assert_ptrdiff(0, ==, rv); nghttp2_frame_hd_init(&hd, 21, NGHTTP2_DATA, NGHTTP2_FLAG_END_STREAM, 5); nghttp2_frame_pack_frame_hd(bufs.head->buf.last, &hd); bufs.head->buf.last += NGHTTP2_FRAME_HDLEN + 21; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_not_null(nghttp2_session_get_stream(session, 5)); assert_int(0, ==, nghttp2_session_send(session)); /* After sending RST_STREAM, stream must be closed */ assert_null(nghttp2_session_get_stream(session, 5)); nghttp2_bufs_reset(&bufs); nghttp2_bufs_free(&bufs); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); } void test_nghttp2_http_non_final_response(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_hd_deflater deflater; nghttp2_mem *mem; nghttp2_bufs bufs; nghttp2_ssize rv; const nghttp2_nv nonfinal_resnv[] = { MAKE_NV(":status", "100"), }; nghttp2_outbound_item *item; nghttp2_frame_hd hd; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_client_new(&session, &callbacks, NULL); nghttp2_hd_deflate_init(&deflater, mem); /* non-final HEADERS with END_STREAM is illegal */ open_sent_stream2(session, 1, NGHTTP2_STREAM_OPENING); rv = pack_headers(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_END_STREAM, nonfinal_resnv, ARRLEN(nonfinal_resnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_int(0, ==, nghttp2_session_send(session)); nghttp2_bufs_reset(&bufs); /* non-final HEADERS followed by non-empty DATA is illegal */ open_sent_stream2(session, 3, NGHTTP2_STREAM_OPENING); rv = pack_headers(&bufs, &deflater, 3, NGHTTP2_FLAG_END_HEADERS, nonfinal_resnv, ARRLEN(nonfinal_resnv), mem); assert_ptrdiff(0, ==, rv); nghttp2_frame_hd_init(&hd, 10, NGHTTP2_DATA, NGHTTP2_FLAG_END_STREAM, 3); nghttp2_frame_pack_frame_hd(bufs.head->buf.last, &hd); bufs.head->buf.last += NGHTTP2_FRAME_HDLEN + 10; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_int(0, ==, nghttp2_session_send(session)); nghttp2_bufs_reset(&bufs); /* non-final HEADERS followed by empty DATA (without END_STREAM) is ok */ open_sent_stream2(session, 5, NGHTTP2_STREAM_OPENING); rv = pack_headers(&bufs, &deflater, 5, NGHTTP2_FLAG_END_HEADERS, nonfinal_resnv, ARRLEN(nonfinal_resnv), mem); assert_ptrdiff(0, ==, rv); nghttp2_frame_hd_init(&hd, 0, NGHTTP2_DATA, NGHTTP2_FLAG_NONE, 5); nghttp2_frame_pack_frame_hd(bufs.head->buf.last, &hd); bufs.head->buf.last += NGHTTP2_FRAME_HDLEN; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); assert_null(nghttp2_session_get_next_ob_item(session)); nghttp2_bufs_reset(&bufs); /* non-final HEADERS followed by empty DATA (with END_STREAM) is illegal */ open_sent_stream2(session, 7, NGHTTP2_STREAM_OPENING); rv = pack_headers(&bufs, &deflater, 7, NGHTTP2_FLAG_END_HEADERS, nonfinal_resnv, ARRLEN(nonfinal_resnv), mem); assert_ptrdiff(0, ==, rv); nghttp2_frame_hd_init(&hd, 0, NGHTTP2_DATA, NGHTTP2_FLAG_END_STREAM, 7); nghttp2_frame_pack_frame_hd(bufs.head->buf.last, &hd); bufs.head->buf.last += NGHTTP2_FRAME_HDLEN; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_int(0, ==, nghttp2_session_send(session)); nghttp2_bufs_reset(&bufs); /* non-final HEADERS followed by final HEADERS is OK */ open_sent_stream2(session, 9, NGHTTP2_STREAM_OPENING); rv = pack_headers(&bufs, &deflater, 9, NGHTTP2_FLAG_END_HEADERS, nonfinal_resnv, ARRLEN(nonfinal_resnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); nghttp2_bufs_reset(&bufs); rv = pack_headers(&bufs, &deflater, 9, NGHTTP2_FLAG_END_HEADERS, resnv, ARRLEN(resnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); assert_null(nghttp2_session_get_next_ob_item(session)); nghttp2_bufs_reset(&bufs); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_bufs_free(&bufs); } void test_nghttp2_http_trailer_headers(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_hd_deflater deflater; nghttp2_mem *mem; nghttp2_bufs bufs; nghttp2_ssize rv; const nghttp2_nv trailer_reqnv[] = { MAKE_NV("foo", "bar"), }; nghttp2_outbound_item *item; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_server_new(&session, &callbacks, NULL); nghttp2_hd_deflate_init(&deflater, mem); /* good trailer header */ rv = pack_headers(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS, reqnv, ARRLEN(reqnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); nghttp2_bufs_reset(&bufs); rv = pack_headers(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_END_STREAM, trailer_reqnv, ARRLEN(trailer_reqnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); assert_null(nghttp2_session_get_next_ob_item(session)); nghttp2_bufs_reset(&bufs); /* trailer header without END_STREAM is illegal */ rv = pack_headers(&bufs, &deflater, 3, NGHTTP2_FLAG_END_HEADERS, reqnv, ARRLEN(reqnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); nghttp2_bufs_reset(&bufs); rv = pack_headers(&bufs, &deflater, 3, NGHTTP2_FLAG_END_HEADERS, trailer_reqnv, ARRLEN(trailer_reqnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_int(0, ==, nghttp2_session_send(session)); nghttp2_bufs_reset(&bufs); /* trailer header including pseudo header field is illegal */ rv = pack_headers(&bufs, &deflater, 5, NGHTTP2_FLAG_END_HEADERS, reqnv, ARRLEN(reqnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); nghttp2_bufs_reset(&bufs); rv = pack_headers(&bufs, &deflater, 5, NGHTTP2_FLAG_END_HEADERS, reqnv, ARRLEN(reqnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_int(0, ==, nghttp2_session_send(session)); nghttp2_bufs_reset(&bufs); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_bufs_free(&bufs); } void test_nghttp2_http_ignore_regular_header(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_hd_deflater deflater; nghttp2_mem *mem; nghttp2_bufs bufs; nghttp2_ssize rv; my_user_data ud; const nghttp2_nv bad_reqnv[] = { MAKE_NV(":authority", "localhost"), MAKE_NV(":scheme", "https"), MAKE_NV(":path", "/"), MAKE_NV(":method", "GET"), MAKE_NV("foo", "\x0zzz"), MAKE_NV("bar", "buzz"), }; const nghttp2_nv bad_ansnv[] = { MAKE_NV(":authority", "localhost"), MAKE_NV(":scheme", "https"), MAKE_NV(":path", "/"), MAKE_NV(":method", "GET"), MAKE_NV("bar", "buzz")}; size_t proclen; size_t i; nghttp2_outbound_item *item; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; callbacks.on_header_callback = pause_on_header_callback; nghttp2_session_server_new(&session, &callbacks, &ud); nghttp2_hd_deflate_init(&deflater, mem); rv = pack_headers(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_END_STREAM, bad_reqnv, ARRLEN(bad_reqnv), mem); assert_ptrdiff(0, ==, rv); nghttp2_hd_deflate_free(&deflater); proclen = 0; for (i = 0; i < 4; ++i) { rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos + proclen, nghttp2_buf_len(&bufs.head->buf) - proclen); assert_ptrdiff(0, <, rv); proclen += (size_t)rv; assert_true(nghttp2_nv_equal(&bad_ansnv[i], &ud.nv)); } rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos + proclen, nghttp2_buf_len(&bufs.head->buf) - proclen); assert_ptrdiff(0, <, rv); /* Without on_invalid_frame_recv_callback, bad header causes stream reset */ item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); proclen += (size_t)rv; assert_size(nghttp2_buf_len(&bufs.head->buf), ==, proclen); nghttp2_session_del(session); /* use on_invalid_header_callback */ callbacks.on_invalid_header_callback = pause_on_invalid_header_callback; nghttp2_session_server_new(&session, &callbacks, &ud); proclen = 0; ud.invalid_header_cb_called = 0; for (i = 0; i < 4; ++i) { rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos + proclen, nghttp2_buf_len(&bufs.head->buf) - proclen); assert_ptrdiff(0, <, rv); proclen += (size_t)rv; assert_true(nghttp2_nv_equal(&bad_ansnv[i], &ud.nv)); } assert_int(0, ==, ud.invalid_header_cb_called); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos + proclen, nghttp2_buf_len(&bufs.head->buf) - proclen); assert_ptrdiff(0, <, rv); assert_int(1, ==, ud.invalid_header_cb_called); assert_true(nghttp2_nv_equal(&bad_reqnv[4], &ud.nv)); proclen += (size_t)rv; rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos + proclen, nghttp2_buf_len(&bufs.head->buf) - proclen); assert_ptrdiff(0, <, rv); assert_true(nghttp2_nv_equal(&bad_ansnv[4], &ud.nv)); nghttp2_session_del(session); /* make sure that we can reset stream from on_invalid_header_callback */ callbacks.on_header_callback = on_header_callback; callbacks.on_invalid_header_callback = reset_on_invalid_header_callback; nghttp2_session_server_new(&session, &callbacks, &ud); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_int32(1, ==, item->frame.hd.stream_id); nghttp2_session_del(session); nghttp2_bufs_free(&bufs); } void test_nghttp2_http_ignore_content_length(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_hd_deflater deflater; nghttp2_mem *mem; nghttp2_bufs bufs; nghttp2_ssize rv; const nghttp2_nv cl_resnv[] = {MAKE_NV(":status", "304"), MAKE_NV("content-length", "20")}; const nghttp2_nv conn_reqnv[] = {MAKE_NV(":authority", "localhost"), MAKE_NV(":method", "CONNECT"), MAKE_NV("content-length", "999999")}; const nghttp2_nv conn_cl_resnv[] = {MAKE_NV(":status", "200"), MAKE_NV("content-length", "0")}; nghttp2_stream *stream; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_client_new(&session, &callbacks, NULL); nghttp2_hd_deflate_init(&deflater, mem); /* If status 304, content-length must be ignored */ open_sent_stream2(session, 1, NGHTTP2_STREAM_OPENING); rv = pack_headers(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_END_STREAM, cl_resnv, ARRLEN(cl_resnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); assert_null(nghttp2_session_get_next_ob_item(session)); nghttp2_bufs_reset(&bufs); /* Content-Length in 200 response to CONNECT is ignored */ stream = open_sent_stream2(session, 3, NGHTTP2_STREAM_OPENING); stream->http_flags |= NGHTTP2_HTTP_FLAG_METH_CONNECT; rv = pack_headers(&bufs, &deflater, 3, NGHTTP2_FLAG_END_HEADERS, conn_cl_resnv, ARRLEN(conn_cl_resnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); assert_null(nghttp2_session_get_next_ob_item(session)); assert_int64(-1, ==, stream->content_length); nghttp2_bufs_reset(&bufs); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); /* If request method is CONNECT, content-length must be ignored */ nghttp2_session_server_new(&session, &callbacks, NULL); nghttp2_hd_deflate_init(&deflater, mem); rv = pack_headers(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS, conn_reqnv, ARRLEN(conn_reqnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); assert_null(nghttp2_session_get_next_ob_item(session)); stream = nghttp2_session_get_stream(session, 1); assert_int64(-1, ==, stream->content_length); assert_true(stream->http_flags & NGHTTP2_HTTP_FLAG_METH_CONNECT); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_bufs_free(&bufs); } void test_nghttp2_http_record_request_method(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; const nghttp2_nv conn_reqnv[] = {MAKE_NV(":method", "CONNECT"), MAKE_NV(":authority", "localhost")}; const nghttp2_nv conn_resnv[] = {MAKE_NV(":status", "200"), MAKE_NV("content-length", "9999")}; nghttp2_stream *stream; nghttp2_ssize rv; nghttp2_bufs bufs; nghttp2_hd_deflater deflater; nghttp2_mem *mem; nghttp2_outbound_item *item; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_client_new(&session, &callbacks, NULL); nghttp2_hd_deflate_init(&deflater, mem); assert_int32(1, ==, nghttp2_submit_request2(session, NULL, conn_reqnv, ARRLEN(conn_reqnv), NULL, NULL)); assert_int(0, ==, nghttp2_session_send(session)); stream = nghttp2_session_get_stream(session, 1); assert_uint32(NGHTTP2_HTTP_FLAG_METH_CONNECT, ==, stream->http_flags); rv = pack_headers(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS, conn_resnv, ARRLEN(conn_resnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); assert_true(NGHTTP2_HTTP_FLAG_METH_CONNECT & stream->http_flags); assert_int64(-1, ==, stream->content_length); /* content-length is ignored in 200 response to a CONNECT request */ item = nghttp2_session_get_next_ob_item(session); assert_null(item); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_bufs_free(&bufs); } void test_nghttp2_http_push_promise(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_hd_deflater deflater; nghttp2_mem *mem; nghttp2_bufs bufs; nghttp2_ssize rv; nghttp2_stream *stream; const nghttp2_nv bad_reqnv[] = {MAKE_NV(":method", "GET")}; nghttp2_outbound_item *item; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; /* good PUSH_PROMISE case */ nghttp2_session_client_new(&session, &callbacks, NULL); nghttp2_hd_deflate_init(&deflater, mem); open_sent_stream2(session, 1, NGHTTP2_STREAM_OPENING); rv = pack_push_promise(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS, 2, reqnv, ARRLEN(reqnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); assert_null(nghttp2_session_get_next_ob_item(session)); stream = nghttp2_session_get_stream(session, 2); assert_not_null(stream); nghttp2_bufs_reset(&bufs); rv = pack_headers(&bufs, &deflater, 2, NGHTTP2_FLAG_END_HEADERS, resnv, ARRLEN(resnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); assert_null(nghttp2_session_get_next_ob_item(session)); assert_int16(200, ==, stream->status_code); nghttp2_bufs_reset(&bufs); /* PUSH_PROMISE lacks mandatory header */ rv = pack_push_promise(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS, 4, bad_reqnv, ARRLEN(bad_reqnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_int32(4, ==, item->frame.hd.stream_id); nghttp2_bufs_reset(&bufs); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_bufs_free(&bufs); } void test_nghttp2_http_head_method_upgrade_workaround(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; const nghttp2_nv cl_resnv[] = {MAKE_NV(":status", "200"), MAKE_NV("content-length", "1000000007")}; nghttp2_bufs bufs; nghttp2_hd_deflater deflater; nghttp2_mem *mem; nghttp2_ssize rv; nghttp2_stream *stream; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; nghttp2_session_client_new(&session, &callbacks, NULL); nghttp2_hd_deflate_init(&deflater, mem); nghttp2_session_upgrade(session, NULL, 0, NULL); rv = pack_headers(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS, cl_resnv, ARRLEN(cl_resnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); stream = nghttp2_session_get_stream(session, 1); assert_int64(-1, ==, stream->content_length); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_bufs_free(&bufs); } void test_nghttp2_http_no_rfc9113_leading_and_trailing_ws_validation(void) { nghttp2_session *session; nghttp2_session_callbacks callbacks; nghttp2_hd_deflater deflater; nghttp2_mem *mem; nghttp2_bufs bufs; nghttp2_ssize rv; const nghttp2_nv ws_reqnv[] = { MAKE_NV(":path", "/"), MAKE_NV(":method", "GET"), MAKE_NV(":authority", "localhost"), MAKE_NV(":scheme", "https"), MAKE_NV("foo", "bar "), }; nghttp2_outbound_item *item; nghttp2_option *option; mem = nghttp2_mem_default(); frame_pack_bufs_init(&bufs); memset(&callbacks, 0, sizeof(nghttp2_session_callbacks)); callbacks.send_callback2 = null_send_callback; /* By default, the leading and trailing white spaces validation is enabled as per RFC 9113. */ nghttp2_session_server_new(&session, &callbacks, NULL); nghttp2_hd_deflate_init(&deflater, mem); rv = pack_headers(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_END_STREAM, ws_reqnv, ARRLEN(ws_reqnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); item = nghttp2_session_get_next_ob_item(session); assert_uint8(NGHTTP2_RST_STREAM, ==, item->frame.hd.type); assert_int(0, ==, nghttp2_session_send(session)); nghttp2_bufs_reset(&bufs); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); /* Turn off the validation */ nghttp2_option_new(&option); nghttp2_option_set_no_rfc9113_leading_and_trailing_ws_validation(option, 1); nghttp2_session_server_new2(&session, &callbacks, NULL, option); nghttp2_hd_deflate_init(&deflater, mem); rv = pack_headers(&bufs, &deflater, 1, NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_END_STREAM, ws_reqnv, ARRLEN(ws_reqnv), mem); assert_ptrdiff(0, ==, rv); rv = nghttp2_session_mem_recv2(session, bufs.head->buf.pos, nghttp2_buf_len(&bufs.head->buf)); assert_ptrdiff((nghttp2_ssize)nghttp2_buf_len(&bufs.head->buf), ==, rv); item = nghttp2_session_get_next_ob_item(session); assert_null(item); nghttp2_bufs_reset(&bufs); nghttp2_hd_deflate_free(&deflater); nghttp2_session_del(session); nghttp2_option_del(option); nghttp2_bufs_free(&bufs); }