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-rw-r--r--protocols/http_client.c421
1 files changed, 0 insertions, 421 deletions
diff --git a/protocols/http_client.c b/protocols/http_client.c
deleted file mode 100644
index e181438c..00000000
--- a/protocols/http_client.c
+++ /dev/null
@@ -1,421 +0,0 @@
- /********************************************************************\
- * BitlBee -- An IRC to other IM-networks gateway *
- * *
- * Copyright 2002-2005 Wilmer van der Gaast and others *
- \********************************************************************/
-
-/* HTTP(S) module */
-
-/*
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License with
- the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
- if not, write to the Free Software Foundation, Inc., 59 Temple Place,
- Suite 330, Boston, MA 02111-1307 USA
-*/
-
-#include <string.h>
-#include <stdio.h>
-
-#include "http_client.h"
-#include "url.h"
-#include "sock.h"
-
-
-static void http_connected( gpointer data, int source, GaimInputCondition cond );
-static void http_ssl_connected( gpointer data, void *source, GaimInputCondition cond );
-static void http_incoming_data( gpointer data, int source, GaimInputCondition cond );
-
-
-void *http_dorequest( char *host, int port, int ssl, char *request, http_input_function func, gpointer data )
-{
- struct http_request *req;
- int error = 0;
-
- req = g_new0( struct http_request, 1 );
-
- if( ssl )
- {
- req->ssl = ssl_connect( host, port, http_ssl_connected, req );
- if( req->ssl == NULL )
- error = 1;
- }
- else
- {
- req->fd = proxy_connect( host, port, http_connected, req );
- if( req->fd < 0 )
- error = 1;
- }
-
- if( error )
- {
- g_free( req );
- return( NULL );
- }
-
- req->func = func;
- req->data = data;
- req->request = g_strdup( request );
- req->request_length = strlen( request );
-
- return( req );
-}
-
-void *http_dorequest_url( char *url_string, http_input_function func, gpointer data )
-{
- url_t *url = g_new0( url_t, 1 );
- char *request;
- void *ret;
-
- if( !url_set( url, url_string ) )
- {
- g_free( url );
- return NULL;
- }
-
- if( url->proto != PROTO_HTTP && url->proto != PROTO_HTTPS )
- {
- g_free( url );
- return NULL;
- }
-
- request = g_strdup_printf( "GET %s HTTP/1.0\r\n"
- "Host: %s\r\n"
- "User-Agent: BitlBee " BITLBEE_VERSION " " ARCH "/" CPU "\r\n"
- "\r\n", url->file, url->host );
-
- ret = http_dorequest( url->host, url->port,
- url->proto == PROTO_HTTPS, request, func, data );
-
- g_free( url );
- g_free( request );
- return ret;
-}
-
-/* This one is actually pretty simple... Might get more calls if we can't write
- the whole request at once. */
-static void http_connected( gpointer data, int source, GaimInputCondition cond )
-{
- struct http_request *req = data;
- int st;
-
- if( source < 0 )
- goto error;
-
- if( req->inpa > 0 )
- gaim_input_remove( req->inpa );
-
- sock_make_nonblocking( req->fd );
-
- if( req->ssl )
- {
- st = ssl_write( req->ssl, req->request + req->bytes_written,
- req->request_length - req->bytes_written );
- if( st < 0 )
- {
- if( ssl_errno != SSL_AGAIN )
- {
- ssl_disconnect( req->ssl );
- goto error;
- }
- }
- }
- else
- {
- st = write( source, req->request + req->bytes_written,
- req->request_length - req->bytes_written );
- if( st < 0 )
- {
- if( !sockerr_again() )
- {
- closesocket( req->fd );
- goto error;
- }
- }
- }
-
- if( st > 0 )
- req->bytes_written += st;
-
- if( req->bytes_written < req->request_length )
- req->inpa = gaim_input_add( source,
- req->ssl ? ssl_getdirection( req->ssl ) : GAIM_INPUT_WRITE,
- http_connected, req );
- else
- req->inpa = gaim_input_add( source, GAIM_INPUT_READ, http_incoming_data, req );
-
- return;
-
-error:
- req->func( req );
-
- g_free( req->request );
- g_free( req );
-
- return;
-}
-
-static void http_ssl_connected( gpointer data, void *source, GaimInputCondition cond )
-{
- struct http_request *req = data;
-
- if( source == NULL )
- return http_connected( data, -1, cond );
-
- req->fd = ssl_getfd( source );
-
- return http_connected( data, req->fd, cond );
-}
-
-static void http_incoming_data( gpointer data, int source, GaimInputCondition cond )
-{
- struct http_request *req = data;
- int evil_server = 0;
- char buffer[2048];
- char *end1, *end2;
- int st;
-
- if( req->inpa > 0 )
- gaim_input_remove( req->inpa );
-
- if( req->ssl )
- {
- st = ssl_read( req->ssl, buffer, sizeof( buffer ) );
- if( st < 0 )
- {
- if( ssl_errno != SSL_AGAIN )
- {
- /* goto cleanup; */
-
- /* YAY! We have to deal with crappy Microsoft
- servers that LOVE to send invalid TLS
- packets that abort connections! \o/ */
-
- goto got_reply;
- }
- }
- else if( st == 0 )
- {
- goto got_reply;
- }
- }
- else
- {
- st = read( req->fd, buffer, sizeof( buffer ) );
- if( st < 0 )
- {
- if( !sockerr_again() )
- {
- goto cleanup;
- }
- }
- else if( st == 0 )
- {
- goto got_reply;
- }
- }
-
- if( st > 0 )
- {
- req->reply_headers = g_realloc( req->reply_headers, req->bytes_read + st + 1 );
- memcpy( req->reply_headers + req->bytes_read, buffer, st );
- req->bytes_read += st;
- }
-
- /* There will be more! */
- req->inpa = gaim_input_add( req->fd,
- req->ssl ? ssl_getdirection( req->ssl ) : GAIM_INPUT_READ,
- http_incoming_data, req );
-
- return;
-
-got_reply:
- /* Maybe if the webserver is overloaded, or when there's bad SSL
- support... */
- if( req->bytes_read == 0 )
- goto cleanup;
-
- /* Zero termination is very convenient. */
- req->reply_headers[req->bytes_read] = 0;
-
- /* Find the separation between headers and body, and keep stupid
- webservers in mind. */
- end1 = strstr( req->reply_headers, "\r\n\r\n" );
- end2 = strstr( req->reply_headers, "\n\n" );
-
- if( end2 && end2 < end1 )
- {
- end1 = end2 + 1;
- evil_server = 1;
- }
- else if( end1 )
- {
- end1 += 2;
- }
- else
- {
- goto cleanup;
- }
-
- *end1 = 0;
-
- if( evil_server )
- req->reply_body = end1 + 1;
- else
- req->reply_body = end1 + 2;
-
- req->body_size = req->reply_headers + req->bytes_read - req->reply_body;
-
- if( ( end1 = strchr( req->reply_headers, ' ' ) ) != NULL )
- {
- if( sscanf( end1 + 1, "%d", &req->status_code ) != 1 )
- req->status_code = -1;
- }
- else
- {
- req->status_code = -1;
- }
-
- if( req->status_code == 301 || req->status_code == 302 )
- {
- char *loc, *new_request, *new_host;
- int error = 0, new_port, new_proto;
-
- loc = strstr( req->reply_headers, "\nLocation: " );
- if( loc == NULL ) /* We can't handle this redirect... */
- goto cleanup;
-
- loc += 11;
- while( *loc == ' ' )
- loc ++;
-
- /* TODO/FIXME: Possibly have to handle relative redirections,
- and rewrite Host: headers. Not necessary for now, it's
- enough for passport authentication like this. */
-
- if( *loc == '/' )
- {
- /* Just a different pathname... */
-
- /* Since we don't cache the servername, and since we
- don't need this yet anyway, I won't implement it. */
-
- goto cleanup;
- }
- else
- {
- /* A whole URL */
- url_t *url;
- char *s;
-
- s = strstr( loc, "\r\n" );
- if( s == NULL )
- goto cleanup;
-
- url = g_new0( url_t, 1 );
- *s = 0;
-
- if( !url_set( url, loc ) )
- {
- g_free( url );
- goto cleanup;
- }
-
- /* Okay, this isn't fun! We have to rebuild the request... :-( */
- new_request = g_malloc( req->request_length + strlen( url->file ) );
-
- /* So, now I just allocated enough memory, so I'm
- going to use strcat(), whether you like it or not. :-) */
-
- /* First, find the GET/POST/whatever from the original request. */
- s = strchr( req->request, ' ' );
- if( s == NULL )
- {
- g_free( new_request );
- g_free( url );
- goto cleanup;
- }
-
- *s = 0;
- sprintf( new_request, "%s %s HTTP/1.0\r\n", req->request, url->file );
- *s = ' ';
-
- s = strstr( req->request, "\r\n" );
- if( s == NULL )
- {
- g_free( new_request );
- g_free( url );
- goto cleanup;
- }
-
- strcat( new_request, s + 2 );
- new_host = g_strdup( url->host );
- new_port = url->port;
- new_proto = url->proto;
-
- g_free( url );
- }
-
- if( req->ssl )
- ssl_disconnect( req->ssl );
- else
- closesocket( req->fd );
-
- req->fd = -1;
- req->ssl = 0;
-
- if( new_proto == PROTO_HTTPS )
- {
- req->ssl = ssl_connect( new_host, new_port, http_ssl_connected, req );
- if( req->ssl == NULL )
- error = 1;
- }
- else
- {
- req->fd = proxy_connect( new_host, new_port, http_connected, req );
- if( req->fd < 0 )
- error = 1;
- }
- g_free( new_host );
-
- if( error )
- {
- g_free( new_request );
- goto cleanup;
- }
-
- g_free( req->request );
- g_free( req->reply_headers );
- req->request = new_request;
- req->request_length = strlen( new_request );
- req->bytes_read = req->bytes_written = req->inpa = 0;
- req->reply_headers = req->reply_body = NULL;
-
- return;
- }
-
- /* Assume that a closed connection means we're finished, this indeed
- breaks with keep-alive connections and faulty connections. */
- req->finished = 1;
-
-cleanup:
- if( req->ssl )
- ssl_disconnect( req->ssl );
- else
- closesocket( req->fd );
-
- req->func( req );
-
- g_free( req->request );
- g_free( req->reply_headers );
- g_free( req );
-}
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