308 lines
6.7 KiB
C
308 lines
6.7 KiB
C
/*
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* This file is part of the Sofia-SIP package
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*
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* Copyright (C) 2005 Nokia Corporation.
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*
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* Contact: Pekka Pessi <pekka.pessi@nokia.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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/**@CFILE http_header.c
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*
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* HTTP header handling.
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*
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* @author Pekka Pessi <Pekka.Pessi@nokia.com>
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*
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* @date Created: Tue Jun 13 02:57:51 2000 ppessi
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*/
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#include "config.h"
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <limits.h>
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#include <stdarg.h>
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#include <assert.h>
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#include <sofia-sip/su_alloc.h>
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/* Avoid casting http_t to msg_pub_t and http_header_t to msg_header_t */
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#define MSG_PUB_T struct http_s
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#define MSG_HDR_T union http_header_u
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#define HTTP_STATIC_INLINE
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#include "sofia-sip/http_parser.h"
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#include <sofia-sip/http_header.h>
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#include <sofia-sip/http_status.h>
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#ifndef UINT32_MAX
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#define UINT32_MAX (0xffffffffU)
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#endif
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/** Complete a HTTP request. */
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int http_request_complete(msg_t *msg)
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{
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size_t len = 0;
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http_t *http = http_object(msg);
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http_payload_t const *pl;
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su_home_t *home = msg_home(msg);
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if (!http)
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return -1;
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if (!http->http_request)
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return -1;
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if (!http->http_host)
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return -1;
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for (pl = http->http_payload; pl; pl = pl->pl_next)
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len += pl->pl_len;
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if (len > UINT32_MAX)
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return -1;
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if (!http->http_content_length) {
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http->http_content_length = http_content_length_create(home, (uint32_t)len);
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}
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else {
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if (http->http_content_length->l_length != len) {
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http->http_content_length->l_length = (uint32_t)len;
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msg_fragment_clear(http->http_content_length->l_common);
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}
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}
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if (!http->http_separator)
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http->http_separator = http_separator_create(home);
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return 0;
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}
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/** Remove schema, host, port, and fragment from HTTP/HTTPS URL */
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int http_strip_hostport(url_t *url)
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{
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if (url->url_type == url_http || url->url_type == url_https) {
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url->url_type = url_unknown;
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url->url_scheme = NULL;
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url->url_user = NULL;
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url->url_password = NULL;
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url->url_host = NULL;
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url->url_port = NULL;
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if (url->url_path == NULL) {
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url->url_root = '/';
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url->url_path = "";
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}
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}
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url->url_fragment = NULL;
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return 0;
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}
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/** Add a Content-Length and separator to a message */
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int http_message_complete(msg_t *msg, http_t *http)
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{
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#if 1
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if (!http->http_content_length) {
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http_content_length_t *l;
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http_payload_t *pl;
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size_t len = 0;
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for (pl = http->http_payload; pl; pl = pl->pl_next)
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len += pl->pl_len;
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if (len > UINT32_MAX)
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return -1;
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l = http_content_length_create(msg_home(msg), (uint32_t)len);
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if (msg_header_insert(msg, http, (http_header_t *)l) < 0)
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return -1;
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}
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#endif
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if (!http->http_separator) {
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http_separator_t *sep = http_separator_create(msg_home(msg));
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if (msg_header_insert(msg, http, (http_header_t *)sep) < 0)
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return -1;
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}
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return 0;
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}
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/** Add headers from the request to the response message. */
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int http_complete_response(msg_t *msg,
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int status, char const *phrase,
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http_t const *request)
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{
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su_home_t *home = msg_home(msg);
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http_t *http = msg_object(msg);
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if (!http || !request || !request->http_request)
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return -1;
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if (!http->http_status)
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http->http_status = http_status_create(home, status, phrase, NULL);
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if (!http->http_status)
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return -1;
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if (!http->http_separator) {
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http_separator_t *sep = http_separator_create(msg_home(msg));
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if (msg_header_insert(msg, http, (http_header_t *)sep) < 0)
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return -1;
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}
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return 0;
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}
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/** Copy a HTTP header. */
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http_header_t *http_header_copy(su_home_t *home, http_header_t const *h)
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{
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if (h == NULL || h == HTTP_NONE)
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return NULL;
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return msg_header_copy_as(home, h->sh_class, h);
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}
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/** Duplicate a HTTP header. */
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http_header_t *http_header_dup(su_home_t *home, http_header_t const *h)
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{
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if (h == NULL || h == HTTP_NONE)
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return NULL;
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return msg_header_dup_as(home, h->sh_class, h);
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}
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/** Decode a HTTP header. */
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http_header_t *http_header_d(su_home_t *home, msg_t const *msg, char const *b)
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{
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return msg_header_d(home, msg, b);
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}
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/** Encode a HTTP header. */
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int http_header_e(char b[], int bsiz, http_header_t const *h, int flags)
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{
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return msg_header_e(b, bsiz, h, flags);
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}
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/** Encode HTTP header contents. */
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int http_header_field_e(char b[], int bsiz, http_header_t const *h, int flags)
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{
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assert(h); assert(h->sh_class);
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return h->sh_class->hc_print(b, bsiz, h, flags);
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}
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http_header_t *http_header_format(su_home_t *home,
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msg_hclass_t *hc,
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char const *fmt,
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...)
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{
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http_header_t *h;
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va_list ap;
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va_start(ap, fmt);
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h = http_header_vformat(home, hc, fmt, ap);
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va_end(ap);
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return h;
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}
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/** Add a duplicate of header object to a HTTP message. */
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int http_add_dup(msg_t *msg,
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http_t *http,
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http_header_t const *o)
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{
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if (o == HTTP_NONE)
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return 0;
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if (msg == NULL || o == NULL)
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return -1;
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return msg_header_insert(msg, http, msg_header_dup(msg_home(msg), o));
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}
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int http_add_make(msg_t *msg,
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http_t *http,
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msg_hclass_t *hc,
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char const *s)
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{
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if (s == NULL)
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return 0;
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if (msg == NULL)
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return -1;
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return msg_header_insert(msg, http, msg_header_make(msg_home(msg), hc, s));
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}
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int http_add_format(msg_t *msg,
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http_t *http,
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msg_hclass_t *hc,
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char const *fmt,
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...)
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{
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http_header_t *h;
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va_list ap;
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if (fmt == NULL)
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return 0;
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if (msg == NULL)
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return -1;
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va_start(ap, fmt);
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h = http_header_vformat(msg_home(msg), hc, fmt, ap);
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va_end(ap);
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return msg_header_insert(msg, http, h);
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}
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/** Compare two HTTP URLs. */
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int http_url_cmp(url_t const *a, url_t const *b)
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{
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int rv;
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if ((rv = url_cmp(a, b)))
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return rv;
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if (a->url_path != b->url_path) {
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if (a->url_path == NULL) return -1;
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if (b->url_path == NULL) return +1;
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if ((rv = strcmp(a->url_path, b->url_path)))
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return rv;
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}
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/* Params? */
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/* Query */
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if (a->url_headers != b->url_headers) {
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if (a->url_headers == NULL) return -1;
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if (b->url_headers == NULL) return +1;
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if ((rv = strcmp(a->url_headers, b->url_headers)))
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return rv;
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}
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return 0;
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}
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