1 /* http.h - HTTP protocol handler
2 * Copyright (C) 1999, 2000, 2001, 2003,
3 * 2006, 2012, 2013 Free Software Foundation, Inc.
5 * This file is part of GnuPG.
7 * GnuPG is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
12 * GnuPG is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
20 #ifndef GNUPG_COMMON_HTTP_H
21 #define GNUPG_COMMON_HTTP_H
23 #include <gpg-error.h>
24 #ifdef HTTP_USE_ESTREAM
29 struct uri_tuple_s *next;
30 const char *name; /* A pointer into name. */
31 char *value; /* A pointer to value (a Nul is always appended). */
32 size_t valuelen; /* The real length of the value; we need it
33 because the value may contain embedded Nuls. */
34 int no_value; /* True if no value has been given in the URL. */
36 typedef struct uri_tuple_s *uri_tuple_t;
40 /* All these pointers point into BUFFER; most stuff is not escaped. */
41 char *scheme; /* Pointer to the scheme string (lowercase). */
42 int use_tls; /* Whether TLS should be used. */
43 char *auth; /* username/password for basic auth */
44 char *host; /* Host (converted to lowercase). */
45 unsigned short port; /* Port (always set if the host is set). */
46 char *path; /* Path. */
47 uri_tuple_t params; /* ";xxxxx" */
48 uri_tuple_t query; /* "?xxx=yyy" */
49 char buffer[1]; /* Buffer which holds a (modified) copy of the URI. */
51 typedef struct parsed_uri_s *parsed_uri_t;
61 /* We put the flag values into an enum, so that gdb can display them. */
64 HTTP_FLAG_TRY_PROXY = 1,
65 HTTP_FLAG_LOG_RESP = 2,
66 HTTP_FLAG_NEED_HEADER = 4
69 struct http_context_s;
70 typedef struct http_context_s *http_t;
72 void http_register_tls_callback (gpg_error_t (*cb) (http_t, void *, int));
74 gpg_error_t http_parse_uri (parsed_uri_t *ret_uri, const char *uri);
76 void http_release_parsed_uri (parsed_uri_t uri);
82 unsigned short used_port;
85 gpg_error_t http_open (http_t *r_hd, http_req_t reqtype,
94 void http_start_data (http_t hd);
96 gpg_error_t http_wait_response (http_t hd);
98 void http_close (http_t hd, int keep_read_stream);
100 gpg_error_t http_open_document (http_t *r_hd,
101 const char *document,
106 struct http_srv *srv,
109 #ifdef HTTP_USE_ESTREAM
110 estream_t http_get_read_ptr (http_t hd);
111 estream_t http_get_write_ptr (http_t hd);
112 #else /*!HTTP_USE_ESTREAM*/
113 FILE *http_get_read_ptr (http_t hd);
114 FILE *http_get_write_ptr (http_t hd);
115 #endif /*!HTTP_USE_ESTREAM*/
116 unsigned int http_get_status_code (http_t hd);
117 const char *http_get_header (http_t hd, const char *name);
119 char *http_escape_string (const char *string, const char *specials);
122 #endif /*GNUPG_COMMON_HTTP_H*/