bitlbee - personal fork of github.com/bitlbee/bitlbee

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author	dequis <dx@dxzone.com.ar>	2015-08-18 01:46:34 -0300
committer	dequis <dx@dxzone.com.ar>	2015-09-10 23:31:10 -0300
commit	b57fed05ddf3eb05dee41c0b33fac72fdb57d6f4 (patch)
tree	a49365aa16e5dff26a8b6d7260e2c950bb291bc1 /doc/user-guide/help.xsl
parent	dc96e6e002f5f1cc415ff5fb5b073f4e4cd35bb0 (diff)

CAP LS

Diffstat (limited to 'doc/user-guide/help.xsl')

0 files changed, 0 insertions, 0 deletions

/********************************************************************\ * 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 ); } /* 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: /* 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 { end1 += 2; } if( end1 ) { *end1 = 0; if( evil_server ) req->reply_body = end1 + 1; else req->reply_body = end1 + 2; } 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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