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/* passport.c
*
* Functions to login to microsoft passport service for Messenger
* Copyright (C) 2004 Wouter Paesen <wouter@blue-gate.be>
* Copyright (C) 2004 Wilmer van der Gaast <wilmer@gaast.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation
*
* This program is distributed in the hope that is will be useful,
* bit WITHOU 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
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "http_client.h"
#include "passport.h"
#include "msn.h"
#include "bitlbee.h"
#include <ctype.h>
#include <errno.h>
#define MSN_BUF_LEN 8192
static char *prd_cached = NULL;
static int passport_get_id_real( gpointer func, gpointer data, char *header );
static void passport_get_id_ready( struct http_request *req );
static int passport_retrieve_dalogin( gpointer data, gpointer func, char *header );
static void passport_retrieve_dalogin_ready( struct http_request *req );
static char *passport_create_header( char *cookie, char *email, char *pwd );
static void destroy_reply( struct passport_reply *rep );
int passport_get_id( gpointer func, gpointer data, char *username, char *password, char *cookie )
{
char *header = passport_create_header( cookie, username, password );
if( prd_cached == NULL )
return passport_retrieve_dalogin( func, data, header );
else
return passport_get_id_real( func, data, header );
}
static int passport_get_id_real( gpointer func, gpointer data, char *header )
{
struct passport_reply *rep;
char *server, *dummy, *reqs;
struct http_request *req;
rep = g_new0( struct passport_reply, 1 );
rep->data = data;
rep->func = func;
server = g_strdup( prd_cached );
dummy = strchr( server, '/' );
if( dummy == NULL )
{
destroy_reply( rep );
return( 0 );
}
reqs = g_malloc( strlen( header ) + strlen( dummy ) + 128 );
sprintf( reqs, "GET %s HTTP/1.0\r\n%s\r\n\r\n", dummy, header );
*dummy = 0;
req = http_dorequest( server, 443, 1, reqs, passport_get_id_ready, rep );
g_free( server );
g_free( reqs );
if( req == NULL )
destroy_reply( rep );
return( req != NULL );
}
static void passport_get_id_ready( struct http_request *req )
{
struct passport_reply *rep = req->data;
if( !g_slist_find( msn_connections, rep->data ) || !req->finished || !req->reply_headers )
{
destroy_reply( rep );
return;
}
if( req->status_code == 200 )
{
char *dummy;
if( ( dummy = strstr( req->reply_headers, "from-PP='" ) ) )
{
char *responseend;
dummy += strlen( "from-PP='" );
responseend = strchr( dummy, '\'' );
if( responseend )
*responseend = 0;
rep->result = g_strdup( dummy );
}
}
rep->func( rep );
destroy_reply( rep );
}
static char *passport_create_header( char *cookie, char *email, char *pwd )
{
char *buffer = g_new0( char, 2048 );
char *currenttoken;
char *email_enc, *pwd_enc;
email_enc = g_new0( char, strlen( email ) * 3 + 1 );
strcpy( email_enc, email );
http_encode( email_enc );
pwd_enc = g_new0( char, strlen( pwd ) * 3 + 1 );
strcpy( pwd_enc, pwd );
http_encode( pwd_enc );
currenttoken = strstr( cookie, "lc=" );
if( currenttoken == NULL )
return( NULL );
g_snprintf( buffer, 2048,
"Authorization: Passport1.4 OrgVerb=GET,"
"OrgURL=http%%3A%%2F%%2Fmessenger%%2Emsn%%2Ecom,"
"sign-in=%s,pwd=%s,%s", email_enc, pwd_enc,
currenttoken );
g_free( email_enc );
g_free( pwd_enc );
return( buffer );
}
#define PPR_REQUEST "GET /rdr/pprdr.asp HTTP/1.0\r\n\r\n"
static int passport_retrieve_dalogin( gpointer func, gpointer data, char *header )
{
struct passport_reply *rep = g_new0( struct passport_reply, 1 );
struct http_request *req;
rep->data = data;
rep->func = func;
rep->header = header;
req = http_dorequest( "nexus.passport.com", 443, 1, PPR_REQUEST, passport_retrieve_dalogin_ready, rep );
if( !req )
destroy_reply( rep );
return( req != NULL );
}
static void passport_retrieve_dalogin_ready( struct http_request *req )
{
struct passport_reply *rep = req->data;
char *dalogin;
char *urlend;
if( !g_slist_find( msn_connections, rep->data ) || !req->finished || !req->reply_headers )
{
destroy_reply( rep );
return;
}
dalogin = strstr( req->reply_headers, "DALogin=" );
if( !dalogin )
goto failure;
dalogin += strlen( "DALogin=" );
urlend = strchr( dalogin, ',' );
if( urlend )
*urlend = 0;
/* strip the http(s):// part from the url */
urlend = strstr( urlend, "://" );
if( urlend )
dalogin = urlend + strlen( "://" );
if( prd_cached == NULL )
prd_cached = g_strdup( dalogin );
if( passport_get_id_real( rep->func, rep->data, rep->header ) )
{
destroy_reply( rep );
return;
}
failure:
rep->func( rep );
destroy_reply( rep );
}
static void destroy_reply( struct passport_reply *rep )
{
g_free( rep->result );
g_free( rep->header );
g_free( rep );
}
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