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116 lines
3.7 KiB
C
116 lines
3.7 KiB
C
/* http.h - HTTP protocol handler
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* Copyright (C) 1999, 2000, 2001, 2003,
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* 2006 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* GnuPG is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*/
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#ifndef GNUPG_COMMON_HTTP_H
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#define GNUPG_COMMON_HTTP_H
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#include <gpg-error.h>
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#ifdef HTTP_USE_ESTREAM
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#include "estream.h"
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#endif
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struct uri_tuple_s {
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struct uri_tuple_s *next;
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const char *name; /* A pointer into name. */
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char *value; /* A pointer to value (a Nul is always appended). */
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size_t valuelen; /* The real length of the value; we need it
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because the value may contain embedded Nuls. */
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int no_value; /* True if no value has been given in the URL. */
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};
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typedef struct uri_tuple_s *uri_tuple_t;
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struct parsed_uri_s
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{
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/* All these pointers point into BUFFER; most stuff is not escaped. */
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char *scheme; /* Pointer to the scheme string (lowercase). */
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int use_tls; /* Whether TLS should be used. */
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char *auth; /* username/password for basic auth */
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char *host; /* Host (converted to lowercase). */
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unsigned short port; /* Port (always set if the host is set). */
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char *path; /* Path. */
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uri_tuple_t params; /* ";xxxxx" */
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uri_tuple_t query; /* "?xxx=yyy" */
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char buffer[1]; /* Buffer which holds a (modified) copy of the URI. */
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};
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typedef struct parsed_uri_s *parsed_uri_t;
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typedef enum
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{
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HTTP_REQ_GET = 1,
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HTTP_REQ_HEAD = 2,
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HTTP_REQ_POST = 3
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}
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http_req_t;
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/* We put the flag values into an enum, so that gdb can display them. */
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enum
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{
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HTTP_FLAG_TRY_PROXY = 1,
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HTTP_FLAG_NO_SHUTDOWN = 2,
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HTTP_FLAG_TRY_SRV = 4,
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HTTP_FLAG_LOG_RESP = 8,
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HTTP_FLAG_NEED_HEADER = 16
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};
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struct http_context_s;
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typedef struct http_context_s *http_t;
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void http_register_tls_callback (gpg_error_t (*cb) (http_t, void *, int));
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gpg_error_t http_parse_uri (parsed_uri_t *ret_uri, const char *uri);
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void http_release_parsed_uri (parsed_uri_t uri);
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gpg_error_t http_open (http_t *r_hd, http_req_t reqtype,
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const char *url,
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const char *auth,
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unsigned int flags,
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const char *proxy,
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void *tls_context);
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void http_start_data (http_t hd);
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gpg_error_t http_wait_response (http_t hd);
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void http_close (http_t hd, int keep_read_stream);
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gpg_error_t http_open_document (http_t *r_hd,
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const char *document,
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const char *auth,
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unsigned int flags,
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const char *proxy,
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void *tls_context);
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#ifdef HTTP_USE_ESTREAM
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estream_t http_get_read_ptr (http_t hd);
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estream_t http_get_write_ptr (http_t hd);
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#else /*!HTTP_USE_ESTREAM*/
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FILE *http_get_read_ptr (http_t hd);
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FILE *http_get_write_ptr (http_t hd);
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#endif /*!HTTP_USE_ESTREAM*/
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unsigned int http_get_status_code (http_t hd);
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const char *http_get_header (http_t hd, const char *name);
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char *http_escape_string (const char *string, const char *specials);
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#endif /*GNUPG_COMMON_HTTP_H*/
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