| /* |
| * include/haproxy/http.h |
| * |
| * Functions for version-agnostic and implementation-agnostic HTTP protocol. |
| * |
| * Copyright (C) 2000-2020 Willy Tarreau - w@1wt.eu |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation, version 2.1 |
| * exclusively. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifndef _HAPROXY_HTTP_H |
| #define _HAPROXY_HTTP_H |
| |
| #include <stddef.h> |
| #include <string.h> |
| #include <import/ist.h> |
| #include <haproxy/http-t.h> |
| |
| extern const int http_err_codes[HTTP_ERR_SIZE]; |
| extern const char *http_err_msgs[HTTP_ERR_SIZE]; |
| extern const struct ist http_known_methods[HTTP_METH_OTHER]; |
| extern const uint8_t http_char_classes[256]; |
| |
| enum http_meth_t find_http_meth(const char *str, const int len); |
| int http_get_status_idx(unsigned int status); |
| const char *http_get_reason(unsigned int status); |
| struct ist http_get_authority(const struct ist uri, int no_userinfo); |
| struct ist http_get_path(const struct ist uri); |
| int http_header_match2(const char *hdr, const char *end, |
| const char *name, int len); |
| char *http_find_hdr_value_end(char *s, const char *e); |
| char *http_find_cookie_value_end(char *s, const char *e); |
| char *http_extract_cookie_value(char *hdr, const char *hdr_end, |
| char *cookie_name, size_t cookie_name_l, |
| int list, char **value, size_t *value_l); |
| int http_parse_qvalue(const char *qvalue, const char **end); |
| const char *http_find_url_param_pos(const char **chunks, |
| const char* url_param_name, |
| size_t url_param_name_l, char delim); |
| int http_find_next_url_param(const char **chunks, |
| const char* url_param_name, size_t url_param_name_l, |
| const char **vstart, const char **vend, char delim); |
| |
| int http_parse_header(const struct ist hdr, struct ist *name, struct ist *value); |
| int http_parse_stline(const struct ist line, struct ist *p1, struct ist *p2, struct ist *p3); |
| int http_parse_status_val(const struct ist value, struct ist *status, struct ist *reason); |
| |
| /* |
| * Given a path string and its length, find the position of beginning of the |
| * query string. Returns NULL if no query string is found in the path. |
| * |
| * Example: if path = "/foo/bar/fubar?yo=mama;ye=daddy", and n = 22: |
| * |
| * find_query_string(path, n, '?') points to "yo=mama;ye=daddy" string. |
| */ |
| static inline char *http_find_param_list(char *path, size_t path_l, char delim) |
| { |
| char *p; |
| |
| p = memchr(path, delim, path_l); |
| return p ? p + 1 : NULL; |
| } |
| |
| static inline int http_is_param_delimiter(char c, char delim) |
| { |
| return c == '&' || c == ';' || c == delim; |
| } |
| |
| /* Match language range with language tag. RFC2616 14.4: |
| * |
| * A language-range matches a language-tag if it exactly equals |
| * the tag, or if it exactly equals a prefix of the tag such |
| * that the first tag character following the prefix is "-". |
| * |
| * Return 1 if the strings match, else return 0. |
| */ |
| static inline int http_language_range_match(const char *range, int range_len, |
| const char *tag, int tag_len) |
| { |
| const char *end = range + range_len; |
| const char *tend = tag + tag_len; |
| |
| while (range < end) { |
| if (*range == '-' && tag == tend) |
| return 1; |
| if (*range != *tag || tag == tend) |
| return 0; |
| range++; |
| tag++; |
| } |
| /* Return true only if the last char of the tag is matched. */ |
| return tag == tend; |
| } |
| |
| |
| #endif /* _HAPROXY_HTTP_H */ |
| |
| /* |
| * Local variables: |
| * c-indent-level: 8 |
| * c-basic-offset: 8 |
| * End: |
| */ |