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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 07:34:15 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 07:34:15 +0000 |
commit | afea5f9539cbf1eeaa85ec77d79eb2f59724f470 (patch) | |
tree | 2a4eba394a6bc60d2eaa8304d91168a07225d51e /lib/nghttp2_http.h | |
parent | Initial commit. (diff) | |
download | nghttp2-upstream/1.52.0.tar.xz nghttp2-upstream/1.52.0.zip |
Adding upstream version 1.52.0.upstream/1.52.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/nghttp2_http.h')
-rw-r--r-- | lib/nghttp2_http.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/lib/nghttp2_http.h b/lib/nghttp2_http.h new file mode 100644 index 0000000..0c3a78e --- /dev/null +++ b/lib/nghttp2_http.h @@ -0,0 +1,148 @@ +/* + * nghttp2 - HTTP/2 C Library + * + * Copyright (c) 2015 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. + */ +#ifndef NGHTTP2_HTTP_H +#define NGHTTP2_HTTP_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif /* HAVE_CONFIG_H */ + +#include <nghttp2/nghttp2.h> +#include "nghttp2_session.h" +#include "nghttp2_stream.h" + +/* + * This function is called when HTTP header field |nv| in |frame| is + * received for |stream|. This function will validate |nv| against + * the current state of stream. + * + * This function returns 0 if it succeeds, or one of the following + * negative error codes: + * + * NGHTTP2_ERR_HTTP_HEADER + * Invalid HTTP header field was received. + * NGHTTP2_ERR_IGN_HTTP_HEADER + * Invalid HTTP header field was received but it can be treated as + * if it was not received because of compatibility reasons. + */ +int nghttp2_http_on_header(nghttp2_session *session, nghttp2_stream *stream, + nghttp2_frame *frame, nghttp2_hd_nv *nv, + int trailer); + +/* + * This function is called when request header is received. This + * function performs validation and returns 0 if it succeeds, or -1. + */ +int nghttp2_http_on_request_headers(nghttp2_stream *stream, + nghttp2_frame *frame); + +/* + * This function is called when response header is received. This + * function performs validation and returns 0 if it succeeds, or -1. + */ +int nghttp2_http_on_response_headers(nghttp2_stream *stream); + +/* + * This function is called trailer header (for both request and + * response) is received. This function performs validation and + * returns 0 if it succeeds, or -1. + */ +int nghttp2_http_on_trailer_headers(nghttp2_stream *stream, + nghttp2_frame *frame); + +/* + * This function is called when END_STREAM flag is seen in incoming + * frame. This function performs validation and returns 0 if it + * succeeds, or -1. + */ +int nghttp2_http_on_remote_end_stream(nghttp2_stream *stream); + +/* + * This function is called when chunk of data is received. This + * function performs validation and returns 0 if it succeeds, or -1. + */ +int nghttp2_http_on_data_chunk(nghttp2_stream *stream, size_t n); + +/* + * This function inspects header field in |frame| and records its + * method in stream->http_flags. If frame->hd.type is neither + * NGHTTP2_HEADERS nor NGHTTP2_PUSH_PROMISE, this function does + * nothing. + */ +void nghttp2_http_record_request_method(nghttp2_stream *stream, + nghttp2_frame *frame); + +/* + * RFC 8941 Structured Field Values. + */ +typedef enum nghttp2_sf_value_type { + NGHTTP2_SF_VALUE_TYPE_BOOLEAN, + NGHTTP2_SF_VALUE_TYPE_INTEGER, + NGHTTP2_SF_VALUE_TYPE_DECIMAL, + NGHTTP2_SF_VALUE_TYPE_STRING, + NGHTTP2_SF_VALUE_TYPE_TOKEN, + NGHTTP2_SF_VALUE_TYPE_BYTESEQ, + NGHTTP2_SF_VALUE_TYPE_INNER_LIST, +} nghttp2_sf_value_type; + +/* + * nghttp2_sf_value stores Structured Field Values item. For Inner + * List, only type is set to NGHTTP2_SF_VALUE_TYPE_INNER_LIST. + */ +typedef struct nghttp2_sf_value { + uint8_t type; + union { + int b; + int64_t i; + double d; + struct { + const uint8_t *base; + size_t len; + } s; + }; +} nghttp2_sf_value; + +/* + * nghttp2_sf_parse_item parses the input sequence [|begin|, |end|) + * and stores the parsed an Item in |dest|. It returns the number of + * bytes consumed if it succeeds, or -1. This function is declared + * here for unit tests. + */ +ssize_t nghttp2_sf_parse_item(nghttp2_sf_value *dest, const uint8_t *begin, + const uint8_t *end); + +/* + * nghttp2_sf_parse_inner_list parses the input sequence [|begin|, |end|) + * and stores the parsed an Inner List in |dest|. It returns the number of + * bytes consumed if it succeeds, or -1. This function is declared + * here for unit tests. + */ +ssize_t nghttp2_sf_parse_inner_list(nghttp2_sf_value *dest, + const uint8_t *begin, const uint8_t *end); + +int nghttp2_http_parse_priority(nghttp2_extpri *dest, const uint8_t *value, + size_t valuelen); + +#endif /* NGHTTP2_HTTP_H */ |