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-rw-r--r--protocols/msn/msn_util.c590
1 files changed, 590 insertions, 0 deletions
diff --git a/protocols/msn/msn_util.c b/protocols/msn/msn_util.c
new file mode 100644
index 00000000..7fa68915
--- /dev/null
+++ b/protocols/msn/msn_util.c
@@ -0,0 +1,590 @@
+ /********************************************************************\
+ * BitlBee -- An IRC to other IM-networks gateway *
+ * *
+ * Copyright 2002-2010 Wilmer van der Gaast and others *
+ \********************************************************************/
+
+/* MSN module - Miscellaneous utilities */
+
+/*
+ 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 "nogaim.h"
+#include "msn.h"
+#include "md5.h"
+#include "soap.h"
+#include <ctype.h>
+
+int msn_logged_in( struct im_connection *ic )
+{
+ imcb_connected( ic );
+
+ return( 0 );
+}
+
+static char *adlrml_entry( const char *handle_, msn_buddy_flags_t list )
+{
+ char *domain, handle[strlen(handle_)+1];
+
+ strcpy( handle, handle_ );
+ if( ( domain = strchr( handle, '@' ) ) )
+ *(domain++) = '\0';
+ else
+ return NULL;
+
+ return g_markup_printf_escaped( "<ml><d n=\"%s\"><c n=\"%s\" l=\"%d\" t=\"1\"/></d></ml>",
+ domain, handle, list );
+}
+
+int msn_buddy_list_add( struct im_connection *ic, msn_buddy_flags_t list, const char *who, const char *realname, const char *group )
+{
+ struct msn_data *md = ic->proto_data;
+ char groupid[8];
+ bee_user_t *bu;
+ struct msn_buddy_data *bd;
+ char *adl;
+
+ *groupid = '\0';
+#if 0
+ if( group )
+ {
+ int i;
+ for( i = 0; i < md->groupcount; i ++ )
+ if( g_strcasecmp( md->grouplist[i], group ) == 0 )
+ {
+ g_snprintf( groupid, sizeof( groupid ), " %d", i );
+ break;
+ }
+
+ if( *groupid == '\0' )
+ {
+ /* Have to create this group, it doesn't exist yet. */
+ struct msn_groupadd *ga;
+ GSList *l;
+
+ for( l = md->grpq; l; l = l->next )
+ {
+ ga = l->data;
+ if( g_strcasecmp( ga->group, group ) == 0 )
+ break;
+ }
+
+ ga = g_new0( struct msn_groupadd, 1 );
+ ga->who = g_strdup( who );
+ ga->group = g_strdup( group );
+ md->grpq = g_slist_prepend( md->grpq, ga );
+
+ if( l == NULL )
+ {
+ char groupname[strlen(group)+1];
+ strcpy( groupname, group );
+ http_encode( groupname );
+ g_snprintf( buf, sizeof( buf ), "ADG %d %s %d\r\n", ++md->trId, groupname, 0 );
+ return msn_write( ic, buf, strlen( buf ) );
+ }
+ else
+ {
+ /* This can happen if the user's doing lots of adds to a
+ new group at once; we're still waiting for the server
+ to confirm group creation. */
+ return 1;
+ }
+ }
+ }
+#endif
+
+ if( !( ( bu = bee_user_by_handle( ic->bee, ic, who ) ) ||
+ ( bu = bee_user_new( ic->bee, ic, who, 0 ) ) ) ||
+ !( bd = bu->data ) || bd->flags & list )
+ return 1;
+
+ bd->flags |= list;
+
+ if( list == MSN_BUDDY_FL )
+ msn_soap_ab_contact_add( ic, bu );
+ else
+ msn_soap_memlist_edit( ic, who, TRUE, list );
+
+ if( ( adl = adlrml_entry( who, list ) ) )
+ {
+ int st = msn_ns_write( ic, -1, "ADL %d %zd\r\n%s",
+ ++md->trId, strlen( adl ), adl );
+ g_free( adl );
+
+ return st;
+ }
+
+ return 1;
+}
+
+int msn_buddy_list_remove( struct im_connection *ic, msn_buddy_flags_t list, const char *who, const char *group )
+{
+ struct msn_data *md = ic->proto_data;
+ char groupid[8];
+ bee_user_t *bu;
+ struct msn_buddy_data *bd;
+ char *adl;
+
+ *groupid = '\0';
+#if 0
+ if( group )
+ {
+ int i;
+ for( i = 0; i < md->groupcount; i ++ )
+ if( g_strcasecmp( md->grouplist[i], group ) == 0 )
+ {
+ g_snprintf( groupid, sizeof( groupid ), " %d", i );
+ break;
+ }
+ }
+#endif
+
+ if( !( bu = bee_user_by_handle( ic->bee, ic, who ) ) ||
+ !( bd = bu->data ) || !( bd->flags & list ) )
+ return 1;
+
+ bd->flags &= ~list;
+
+ if( list == MSN_BUDDY_FL )
+ msn_soap_ab_contact_del( ic, bu );
+ else
+ msn_soap_memlist_edit( ic, who, FALSE, list );
+
+ if( ( adl = adlrml_entry( who, list ) ) )
+ {
+ int st = msn_ns_write( ic, -1, "RML %d %zd\r\n%s",
+ ++md->trId, strlen( adl ), adl );
+ g_free( adl );
+
+ return st;
+ }
+
+ return 1;
+}
+
+struct msn_buddy_ask_data
+{
+ struct im_connection *ic;
+ char *handle;
+ char *realname;
+};
+
+static void msn_buddy_ask_yes( void *data )
+{
+ struct msn_buddy_ask_data *bla = data;
+
+ msn_buddy_list_add( bla->ic, MSN_BUDDY_AL, bla->handle, bla->realname, NULL );
+
+ imcb_ask_add( bla->ic, bla->handle, NULL );
+
+ g_free( bla->handle );
+ g_free( bla->realname );
+ g_free( bla );
+}
+
+static void msn_buddy_ask_no( void *data )
+{
+ struct msn_buddy_ask_data *bla = data;
+
+ msn_buddy_list_add( bla->ic, MSN_BUDDY_BL, bla->handle, bla->realname, NULL );
+
+ g_free( bla->handle );
+ g_free( bla->realname );
+ g_free( bla );
+}
+
+void msn_buddy_ask( bee_user_t *bu )
+{
+ struct msn_buddy_ask_data *bla;
+ struct msn_buddy_data *bd = bu->data;
+ char buf[1024];
+
+ if( ( bd->flags & 30 ) != 8 && ( bd->flags & 30 ) != 16 )
+ return;
+
+ bla = g_new0( struct msn_buddy_ask_data, 1 );
+ bla->ic = bu->ic;
+ bla->handle = g_strdup( bu->handle );
+ bla->realname = g_strdup( bu->fullname );
+
+ g_snprintf( buf, sizeof( buf ),
+ "The user %s (%s) wants to add you to his/her buddy list.",
+ bu->handle, bu->fullname );
+ imcb_ask( bu->ic, buf, bla, msn_buddy_ask_yes, msn_buddy_ask_no );
+}
+
+char *msn_findheader( char *text, char *header, int len )
+{
+ int hlen = strlen( header ), i;
+ char *ret;
+
+ if( len == 0 )
+ len = strlen( text );
+
+ i = 0;
+ while( ( i + hlen ) < len )
+ {
+ /* Maybe this is a bit over-commented, but I just hate this part... */
+ if( g_strncasecmp( text + i, header, hlen ) == 0 )
+ {
+ /* Skip to the (probable) end of the header */
+ i += hlen;
+
+ /* Find the first non-[: \t] character */
+ while( i < len && ( text[i] == ':' || text[i] == ' ' || text[i] == '\t' ) ) i ++;
+
+ /* Make sure we're still inside the string */
+ if( i >= len ) return( NULL );
+
+ /* Save the position */
+ ret = text + i;
+
+ /* Search for the end of this line */
+ while( i < len && text[i] != '\r' && text[i] != '\n' ) i ++;
+
+ /* Make sure we're still inside the string */
+ if( i >= len ) return( NULL );
+
+ /* Copy the found data */
+ return( g_strndup( ret, text + i - ret ) );
+ }
+
+ /* This wasn't the header we were looking for, skip to the next line. */
+ while( i < len && ( text[i] != '\r' && text[i] != '\n' ) ) i ++;
+ while( i < len && ( text[i] == '\r' || text[i] == '\n' ) ) i ++;
+
+ /* End of headers? */
+ if( ( i >= 4 && strncmp( text + i - 4, "\r\n\r\n", 4 ) == 0 ) ||
+ ( i >= 2 && ( strncmp( text + i - 2, "\n\n", 2 ) == 0 ||
+ strncmp( text + i - 2, "\r\r", 2 ) == 0 ) ) )
+ {
+ break;
+ }
+ }
+
+ return( NULL );
+}
+
+/* *NOT* thread-safe, but that's not a problem for now... */
+char **msn_linesplit( char *line )
+{
+ static char **ret = NULL;
+ static int size = 3;
+ int i, n = 0;
+
+ if( ret == NULL )
+ ret = g_new0( char*, size );
+
+ for( i = 0; line[i] && line[i] == ' '; i ++ );
+ if( line[i] )
+ {
+ ret[n++] = line + i;
+ for( i ++; line[i]; i ++ )
+ {
+ if( line[i] == ' ' )
+ line[i] = 0;
+ else if( line[i] != ' ' && !line[i-1] )
+ ret[n++] = line + i;
+
+ if( n >= size )
+ ret = g_renew( char*, ret, size += 2 );
+ }
+ }
+ ret[n] = NULL;
+
+ return( ret );
+}
+
+/* This one handles input from a MSN Messenger server. Both the NS and SB servers usually give
+ commands, but sometimes they give additional data (payload). This function tries to handle
+ this all in a nice way and send all data to the right places. */
+
+/* Return values: -1: Read error, abort connection.
+ 0: Command reported error; Abort *immediately*. (The connection does not exist anymore)
+ 1: OK */
+
+int msn_handler( struct msn_handler_data *h )
+{
+ int st;
+
+ h->rxq = g_renew( char, h->rxq, h->rxlen + 1024 );
+ st = read( h->fd, h->rxq + h->rxlen, 1024 );
+ h->rxlen += st;
+
+ if( st <= 0 )
+ return( -1 );
+
+ if( getenv( "BITLBEE_DEBUG" ) )
+ {
+ write( 2, "->C:", 4 );
+ write( 2, h->rxq + h->rxlen - st, st );
+ }
+
+ while( st )
+ {
+ int i;
+
+ if( h->msglen == 0 )
+ {
+ for( i = 0; i < h->rxlen; i ++ )
+ {
+ if( h->rxq[i] == '\r' || h->rxq[i] == '\n' )
+ {
+ char *cmd_text, **cmd;
+ int count;
+
+ cmd_text = g_strndup( h->rxq, i );
+ cmd = msn_linesplit( cmd_text );
+ for( count = 0; cmd[count]; count ++ );
+ st = h->exec_command( h, cmd, count );
+ g_free( cmd_text );
+
+ /* If the connection broke, don't continue. We don't even exist anymore. */
+ if( !st )
+ return( 0 );
+
+ if( h->msglen )
+ h->cmd_text = g_strndup( h->rxq, i );
+
+ /* Skip to the next non-emptyline */
+ while( i < h->rxlen && ( h->rxq[i] == '\r' || h->rxq[i] == '\n' ) ) i ++;
+
+ break;
+ }
+ }
+
+ /* If we reached the end of the buffer, there's still an incomplete command there.
+ Return and wait for more data. */
+ if( i == h->rxlen && h->rxq[i-1] != '\r' && h->rxq[i-1] != '\n' )
+ break;
+ }
+ else
+ {
+ char *msg, **cmd;
+ int count;
+
+ /* Do we have the complete message already? */
+ if( h->msglen > h->rxlen )
+ break;
+
+ msg = g_strndup( h->rxq, h->msglen );
+ cmd = msn_linesplit( h->cmd_text );
+ for( count = 0; cmd[count]; count ++ );
+
+ st = h->exec_message( h, msg, h->msglen, cmd, count );
+ g_free( msg );
+ g_free( h->cmd_text );
+ h->cmd_text = NULL;
+
+ if( !st )
+ return( 0 );
+
+ i = h->msglen;
+ h->msglen = 0;
+ }
+
+ /* More data after this block? */
+ if( i < h->rxlen )
+ {
+ char *tmp;
+
+ tmp = g_memdup( h->rxq + i, h->rxlen - i );
+ g_free( h->rxq );
+ h->rxq = tmp;
+ h->rxlen -= i;
+ i = 0;
+ }
+ else
+ /* If not, reset the rx queue and get lost. */
+ {
+ g_free( h->rxq );
+ h->rxq = g_new0( char, 1 );
+ h->rxlen = 0;
+ return( 1 );
+ }
+ }
+
+ return( 1 );
+}
+
+void msn_msgq_purge( struct im_connection *ic, GSList **list )
+{
+ struct msn_message *m;
+ GString *ret;
+ GSList *l;
+ int n = 0;
+
+ l = *list;
+ if( l == NULL )
+ return;
+
+ m = l->data;
+ ret = g_string_sized_new( 1024 );
+ g_string_printf( ret, "Warning: Cleaning up MSN (switchboard) connection with unsent "
+ "messages to %s:", m->who ? m->who : "unknown recipient" );
+
+ while( l )
+ {
+ m = l->data;
+
+ if( strncmp( m->text, "\r\r\r", 3 ) != 0 )
+ {
+ g_string_append_printf( ret, "\n%s", m->text );
+ n ++;
+ }
+
+ g_free( m->who );
+ g_free( m->text );
+ g_free( m );
+
+ l = l->next;
+ }
+ g_slist_free( *list );
+ *list = NULL;
+
+ if( n > 0 )
+ imcb_log( ic, "%s", ret->str );
+ g_string_free( ret, TRUE );
+}
+
+/* Copied and heavily modified from http://tmsnc.sourceforge.net/chl.c */
+char *msn_p11_challenge( char *challenge )
+{
+ char *output, buf[256];
+ md5_state_t md5c;
+ unsigned char md5Hash[16], *newHash;
+ unsigned int *md5Parts, *chlStringParts, newHashParts[5];
+ long long nHigh = 0, nLow = 0;
+ int i, n;
+
+ /* Create the MD5 hash */
+ md5_init(&md5c);
+ md5_append(&md5c, (unsigned char*) challenge, strlen(challenge));
+ md5_append(&md5c, (unsigned char*) MSNP11_PROD_KEY, strlen(MSNP11_PROD_KEY));
+ md5_finish(&md5c, md5Hash);
+
+ /* Split it into four integers */
+ md5Parts = (unsigned int *)md5Hash;
+ for (i = 0; i < 4; i ++)
+ {
+ md5Parts[i] = GUINT32_TO_LE(md5Parts[i]);
+
+ /* & each integer with 0x7FFFFFFF */
+ /* and save one unmodified array for later */
+ newHashParts[i] = md5Parts[i];
+ md5Parts[i] &= 0x7FFFFFFF;
+ }
+
+ /* make a new string and pad with '0' */
+ n = g_snprintf(buf, sizeof(buf)-5, "%s%s00000000", challenge, MSNP11_PROD_ID);
+ /* truncate at an 8-byte boundary */
+ buf[n&=~7] = '\0';
+
+ /* split into integers */
+ chlStringParts = (unsigned int *)buf;
+
+ /* this is magic */
+ for (i = 0; i < (n / 4) - 1; i += 2)
+ {
+ long long temp;
+
+ chlStringParts[i] = GUINT32_TO_LE(chlStringParts[i]);
+ chlStringParts[i+1] = GUINT32_TO_LE(chlStringParts[i+1]);
+
+ temp = (md5Parts[0] * (((0x0E79A9C1 * (long long)chlStringParts[i]) % 0x7FFFFFFF)+nHigh) + md5Parts[1])%0x7FFFFFFF;
+ nHigh = (md5Parts[2] * (((long long)chlStringParts[i+1]+temp) % 0x7FFFFFFF) + md5Parts[3]) % 0x7FFFFFFF;
+ nLow = nLow + nHigh + temp;
+ }
+ nHigh = (nHigh+md5Parts[1]) % 0x7FFFFFFF;
+ nLow = (nLow+md5Parts[3]) % 0x7FFFFFFF;
+
+ newHashParts[0] ^= nHigh;
+ newHashParts[1] ^= nLow;
+ newHashParts[2] ^= nHigh;
+ newHashParts[3] ^= nLow;
+
+ /* swap more bytes if big endian */
+ for (i = 0; i < 4; i ++)
+ newHashParts[i] = GUINT32_TO_LE(newHashParts[i]);
+
+ /* make a string of the parts */
+ newHash = (unsigned char *)newHashParts;
+
+ /* convert to hexadecimal */
+ output = g_new(char, 33);
+ for (i = 0; i < 16; i ++)
+ sprintf(output + i * 2, "%02x", newHash[i]);
+
+ return output;
+}
+
+gint msn_domaintree_cmp( gconstpointer a_, gconstpointer b_ )
+{
+ const char *a = a_, *b = b_;
+ gint ret;
+
+ if( !( a = strchr( a, '@' ) ) || !( b = strchr( b, '@' ) ) ||
+ ( ret = strcmp( a, b ) ) == 0 )
+ ret = strcmp( a_, b_ );
+
+ return ret;
+}
+
+struct msn_group *msn_group_by_name( struct im_connection *ic, const char *name )
+{
+ struct msn_data *md = ic->proto_data;
+ GSList *l;
+
+ for( l = md->groups; l; l = l->next )
+ {
+ struct msn_group *mg = l->data;
+
+ if( g_strcasecmp( mg->name, name ) == 0 )
+ return mg;
+ }
+
+ return NULL;
+}
+
+struct msn_group *msn_group_by_id( struct im_connection *ic, const char *id )
+{
+ struct msn_data *md = ic->proto_data;
+ GSList *l;
+
+ for( l = md->groups; l; l = l->next )
+ {
+ struct msn_group *mg = l->data;
+
+ if( g_strcasecmp( mg->id, id ) == 0 )
+ return mg;
+ }
+
+ return NULL;
+}
+
+int msn_ns_set_display_name( struct im_connection *ic, const char *value )
+{
+ struct msn_data *md = ic->proto_data;
+ char fn[strlen(value)*3+1];
+
+ strcpy( fn, value );
+ http_encode( fn );
+
+ /* Note: We don't actually know if the server accepted the new name,
+ and won't give proper feedback yet if it doesn't. */
+ return msn_ns_write( ic, -1, "PRP %d MFN %s\r\n", ++md->trId, fn );
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 02:22:06 +0000