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-rw-r--r--llhttp/src/native/api.c510
1 files changed, 510 insertions, 0 deletions
diff --git a/llhttp/src/native/api.c b/llhttp/src/native/api.c
new file mode 100644
index 0000000..8c2ce3d
--- /dev/null
+++ b/llhttp/src/native/api.c
@@ -0,0 +1,510 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "llhttp.h"
+
+#define CALLBACK_MAYBE(PARSER, NAME) \
+ do { \
+ const llhttp_settings_t* settings; \
+ settings = (const llhttp_settings_t*) (PARSER)->settings; \
+ if (settings == NULL || settings->NAME == NULL) { \
+ err = 0; \
+ break; \
+ } \
+ err = settings->NAME((PARSER)); \
+ } while (0)
+
+#define SPAN_CALLBACK_MAYBE(PARSER, NAME, START, LEN) \
+ do { \
+ const llhttp_settings_t* settings; \
+ settings = (const llhttp_settings_t*) (PARSER)->settings; \
+ if (settings == NULL || settings->NAME == NULL) { \
+ err = 0; \
+ break; \
+ } \
+ err = settings->NAME((PARSER), (START), (LEN)); \
+ if (err == -1) { \
+ err = HPE_USER; \
+ llhttp_set_error_reason((PARSER), "Span callback error in " #NAME); \
+ } \
+ } while (0)
+
+void llhttp_init(llhttp_t* parser, llhttp_type_t type,
+ const llhttp_settings_t* settings) {
+ llhttp__internal_init(parser);
+
+ parser->type = type;
+ parser->settings = (void*) settings;
+}
+
+
+#if defined(__wasm__)
+
+extern int wasm_on_message_begin(llhttp_t * p);
+extern int wasm_on_url(llhttp_t* p, const char* at, size_t length);
+extern int wasm_on_status(llhttp_t* p, const char* at, size_t length);
+extern int wasm_on_header_field(llhttp_t* p, const char* at, size_t length);
+extern int wasm_on_header_value(llhttp_t* p, const char* at, size_t length);
+extern int wasm_on_headers_complete(llhttp_t * p, int status_code,
+ uint8_t upgrade, int should_keep_alive);
+extern int wasm_on_body(llhttp_t* p, const char* at, size_t length);
+extern int wasm_on_message_complete(llhttp_t * p);
+
+static int wasm_on_headers_complete_wrap(llhttp_t* p) {
+ return wasm_on_headers_complete(p, p->status_code, p->upgrade,
+ llhttp_should_keep_alive(p));
+}
+
+const llhttp_settings_t wasm_settings = {
+ wasm_on_message_begin,
+ wasm_on_url,
+ wasm_on_status,
+ NULL,
+ NULL,
+ wasm_on_header_field,
+ wasm_on_header_value,
+ NULL,
+ NULL,
+ wasm_on_headers_complete_wrap,
+ wasm_on_body,
+ wasm_on_message_complete,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+};
+
+
+llhttp_t* llhttp_alloc(llhttp_type_t type) {
+ llhttp_t* parser = malloc(sizeof(llhttp_t));
+ llhttp_init(parser, type, &wasm_settings);
+ return parser;
+}
+
+void llhttp_free(llhttp_t* parser) {
+ free(parser);
+}
+
+#endif // defined(__wasm__)
+
+/* Some getters required to get stuff from the parser */
+
+uint8_t llhttp_get_type(llhttp_t* parser) {
+ return parser->type;
+}
+
+uint8_t llhttp_get_http_major(llhttp_t* parser) {
+ return parser->http_major;
+}
+
+uint8_t llhttp_get_http_minor(llhttp_t* parser) {
+ return parser->http_minor;
+}
+
+uint8_t llhttp_get_method(llhttp_t* parser) {
+ return parser->method;
+}
+
+int llhttp_get_status_code(llhttp_t* parser) {
+ return parser->status_code;
+}
+
+uint8_t llhttp_get_upgrade(llhttp_t* parser) {
+ return parser->upgrade;
+}
+
+
+void llhttp_reset(llhttp_t* parser) {
+ llhttp_type_t type = parser->type;
+ const llhttp_settings_t* settings = parser->settings;
+ void* data = parser->data;
+ uint16_t lenient_flags = parser->lenient_flags;
+
+ llhttp__internal_init(parser);
+
+ parser->type = type;
+ parser->settings = (void*) settings;
+ parser->data = data;
+ parser->lenient_flags = lenient_flags;
+}
+
+
+llhttp_errno_t llhttp_execute(llhttp_t* parser, const char* data, size_t len) {
+ return llhttp__internal_execute(parser, data, data + len);
+}
+
+
+void llhttp_settings_init(llhttp_settings_t* settings) {
+ memset(settings, 0, sizeof(*settings));
+}
+
+
+llhttp_errno_t llhttp_finish(llhttp_t* parser) {
+ int err;
+
+ /* We're in an error state. Don't bother doing anything. */
+ if (parser->error != 0) {
+ return 0;
+ }
+
+ switch (parser->finish) {
+ case HTTP_FINISH_SAFE_WITH_CB:
+ CALLBACK_MAYBE(parser, on_message_complete);
+ if (err != HPE_OK) return err;
+
+ /* FALLTHROUGH */
+ case HTTP_FINISH_SAFE:
+ return HPE_OK;
+ case HTTP_FINISH_UNSAFE:
+ parser->reason = "Invalid EOF state";
+ return HPE_INVALID_EOF_STATE;
+ default:
+ abort();
+ }
+}
+
+
+void llhttp_pause(llhttp_t* parser) {
+ if (parser->error != HPE_OK) {
+ return;
+ }
+
+ parser->error = HPE_PAUSED;
+ parser->reason = "Paused";
+}
+
+
+void llhttp_resume(llhttp_t* parser) {
+ if (parser->error != HPE_PAUSED) {
+ return;
+ }
+
+ parser->error = 0;
+}
+
+
+void llhttp_resume_after_upgrade(llhttp_t* parser) {
+ if (parser->error != HPE_PAUSED_UPGRADE) {
+ return;
+ }
+
+ parser->error = 0;
+}
+
+
+llhttp_errno_t llhttp_get_errno(const llhttp_t* parser) {
+ return parser->error;
+}
+
+
+const char* llhttp_get_error_reason(const llhttp_t* parser) {
+ return parser->reason;
+}
+
+
+void llhttp_set_error_reason(llhttp_t* parser, const char* reason) {
+ parser->reason = reason;
+}
+
+
+const char* llhttp_get_error_pos(const llhttp_t* parser) {
+ return parser->error_pos;
+}
+
+
+const char* llhttp_errno_name(llhttp_errno_t err) {
+#define HTTP_ERRNO_GEN(CODE, NAME, _) case HPE_##NAME: return "HPE_" #NAME;
+ switch (err) {
+ HTTP_ERRNO_MAP(HTTP_ERRNO_GEN)
+ default: abort();
+ }
+#undef HTTP_ERRNO_GEN
+}
+
+
+const char* llhttp_method_name(llhttp_method_t method) {
+#define HTTP_METHOD_GEN(NUM, NAME, STRING) case HTTP_##NAME: return #STRING;
+ switch (method) {
+ HTTP_ALL_METHOD_MAP(HTTP_METHOD_GEN)
+ default: abort();
+ }
+#undef HTTP_METHOD_GEN
+}
+
+const char* llhttp_status_name(llhttp_status_t status) {
+#define HTTP_STATUS_GEN(NUM, NAME, STRING) case HTTP_STATUS_##NAME: return #STRING;
+ switch (status) {
+ HTTP_STATUS_MAP(HTTP_STATUS_GEN)
+ default: abort();
+ }
+#undef HTTP_STATUS_GEN
+}
+
+
+void llhttp_set_lenient_headers(llhttp_t* parser, int enabled) {
+ if (enabled) {
+ parser->lenient_flags |= LENIENT_HEADERS;
+ } else {
+ parser->lenient_flags &= ~LENIENT_HEADERS;
+ }
+}
+
+
+void llhttp_set_lenient_chunked_length(llhttp_t* parser, int enabled) {
+ if (enabled) {
+ parser->lenient_flags |= LENIENT_CHUNKED_LENGTH;
+ } else {
+ parser->lenient_flags &= ~LENIENT_CHUNKED_LENGTH;
+ }
+}
+
+
+void llhttp_set_lenient_keep_alive(llhttp_t* parser, int enabled) {
+ if (enabled) {
+ parser->lenient_flags |= LENIENT_KEEP_ALIVE;
+ } else {
+ parser->lenient_flags &= ~LENIENT_KEEP_ALIVE;
+ }
+}
+
+void llhttp_set_lenient_transfer_encoding(llhttp_t* parser, int enabled) {
+ if (enabled) {
+ parser->lenient_flags |= LENIENT_TRANSFER_ENCODING;
+ } else {
+ parser->lenient_flags &= ~LENIENT_TRANSFER_ENCODING;
+ }
+}
+
+void llhttp_set_lenient_version(llhttp_t* parser, int enabled) {
+ if (enabled) {
+ parser->lenient_flags |= LENIENT_VERSION;
+ } else {
+ parser->lenient_flags &= ~LENIENT_VERSION;
+ }
+}
+
+void llhttp_set_lenient_data_after_close(llhttp_t* parser, int enabled) {
+ if (enabled) {
+ parser->lenient_flags |= LENIENT_DATA_AFTER_CLOSE;
+ } else {
+ parser->lenient_flags &= ~LENIENT_DATA_AFTER_CLOSE;
+ }
+}
+
+void llhttp_set_lenient_optional_lf_after_cr(llhttp_t* parser, int enabled) {
+ if (enabled) {
+ parser->lenient_flags |= LENIENT_OPTIONAL_LF_AFTER_CR;
+ } else {
+ parser->lenient_flags &= ~LENIENT_OPTIONAL_LF_AFTER_CR;
+ }
+}
+
+void llhttp_set_lenient_optional_crlf_after_chunk(llhttp_t* parser, int enabled) {
+ if (enabled) {
+ parser->lenient_flags |= LENIENT_OPTIONAL_CRLF_AFTER_CHUNK;
+ } else {
+ parser->lenient_flags &= ~LENIENT_OPTIONAL_CRLF_AFTER_CHUNK;
+ }
+}
+
+void llhttp_set_lenient_optional_cr_before_lf(llhttp_t* parser, int enabled) {
+ if (enabled) {
+ parser->lenient_flags |= LENIENT_OPTIONAL_CR_BEFORE_LF;
+ } else {
+ parser->lenient_flags &= ~LENIENT_OPTIONAL_CR_BEFORE_LF;
+ }
+}
+
+void llhttp_set_lenient_spaces_after_chunk_size(llhttp_t* parser, int enabled) {
+ if (enabled) {
+ parser->lenient_flags |= LENIENT_SPACES_AFTER_CHUNK_SIZE;
+ } else {
+ parser->lenient_flags &= ~LENIENT_SPACES_AFTER_CHUNK_SIZE;
+ }
+}
+
+/* Callbacks */
+
+
+int llhttp__on_message_begin(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ CALLBACK_MAYBE(s, on_message_begin);
+ return err;
+}
+
+
+int llhttp__on_url(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ SPAN_CALLBACK_MAYBE(s, on_url, p, endp - p);
+ return err;
+}
+
+
+int llhttp__on_url_complete(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ CALLBACK_MAYBE(s, on_url_complete);
+ return err;
+}
+
+
+int llhttp__on_status(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ SPAN_CALLBACK_MAYBE(s, on_status, p, endp - p);
+ return err;
+}
+
+
+int llhttp__on_status_complete(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ CALLBACK_MAYBE(s, on_status_complete);
+ return err;
+}
+
+
+int llhttp__on_method(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ SPAN_CALLBACK_MAYBE(s, on_method, p, endp - p);
+ return err;
+}
+
+
+int llhttp__on_method_complete(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ CALLBACK_MAYBE(s, on_method_complete);
+ return err;
+}
+
+
+int llhttp__on_version(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ SPAN_CALLBACK_MAYBE(s, on_version, p, endp - p);
+ return err;
+}
+
+
+int llhttp__on_version_complete(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ CALLBACK_MAYBE(s, on_version_complete);
+ return err;
+}
+
+
+int llhttp__on_header_field(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ SPAN_CALLBACK_MAYBE(s, on_header_field, p, endp - p);
+ return err;
+}
+
+
+int llhttp__on_header_field_complete(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ CALLBACK_MAYBE(s, on_header_field_complete);
+ return err;
+}
+
+
+int llhttp__on_header_value(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ SPAN_CALLBACK_MAYBE(s, on_header_value, p, endp - p);
+ return err;
+}
+
+
+int llhttp__on_header_value_complete(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ CALLBACK_MAYBE(s, on_header_value_complete);
+ return err;
+}
+
+
+int llhttp__on_headers_complete(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ CALLBACK_MAYBE(s, on_headers_complete);
+ return err;
+}
+
+
+int llhttp__on_message_complete(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ CALLBACK_MAYBE(s, on_message_complete);
+ return err;
+}
+
+
+int llhttp__on_body(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ SPAN_CALLBACK_MAYBE(s, on_body, p, endp - p);
+ return err;
+}
+
+
+int llhttp__on_chunk_header(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ CALLBACK_MAYBE(s, on_chunk_header);
+ return err;
+}
+
+
+int llhttp__on_chunk_extension_name(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ SPAN_CALLBACK_MAYBE(s, on_chunk_extension_name, p, endp - p);
+ return err;
+}
+
+
+int llhttp__on_chunk_extension_name_complete(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ CALLBACK_MAYBE(s, on_chunk_extension_name_complete);
+ return err;
+}
+
+
+int llhttp__on_chunk_extension_value(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ SPAN_CALLBACK_MAYBE(s, on_chunk_extension_value, p, endp - p);
+ return err;
+}
+
+
+int llhttp__on_chunk_extension_value_complete(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ CALLBACK_MAYBE(s, on_chunk_extension_value_complete);
+ return err;
+}
+
+
+int llhttp__on_chunk_complete(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ CALLBACK_MAYBE(s, on_chunk_complete);
+ return err;
+}
+
+
+int llhttp__on_reset(llhttp_t* s, const char* p, const char* endp) {
+ int err;
+ CALLBACK_MAYBE(s, on_reset);
+ return err;
+}
+
+
+/* Private */
+
+
+void llhttp__debug(llhttp_t* s, const char* p, const char* endp,
+ const char* msg) {
+ if (p == endp) {
+ fprintf(stderr, "p=%p type=%d flags=%02x next=null debug=%s\n", s, s->type,
+ s->flags, msg);
+ } else {
+ fprintf(stderr, "p=%p type=%d flags=%02x next=%02x debug=%s\n", s,
+ s->type, s->flags, *p, msg);
+ }
+}
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