pidgin: ec6291ec: Fix a crash on receiving an offline mess...

[sulabh at soc.pidgin.im]

-----------------------------------------------------------------
Revision: ec6291ec02cfa2c94de6aedf7b94c48385ac65ef
Ancestor: 5f34ca8ecb9f3ed36f1b66300ecfd2197e0e8243
Author: sulabh at soc.pidgin.im
Date: 2009-10-24T04:10:23
Branch: im.pidgin.pidgin
URL: http://d.pidgin.im/viewmtn/revision/info/ec6291ec02cfa2c94de6aedf7b94c48385ac65ef

Modified files:
        libpurple/protocols/yahoo/libymsg.c

ChangeLog: 

Fix a crash on receiving an offline message from a federated buddy. Also handle federated buddy per IM. Refs #9814

-------------- next part --------------
============================================================
--- libpurple/protocols/yahoo/libymsg.c	42c3ad231f84c9ce00c9d4df11076394ad549a2d
+++ libpurple/protocols/yahoo/libymsg.c	f7d613e8962e7f16832782661126d33a897d7c1b
@@ -879,6 +879,7 @@ struct _yahoo_im {
 	char *id;
 	char *msg;
 	YahooFederation fed;
+	char *fed_from;
 };
 
 static void yahoo_process_sms_message(PurpleConnection *gc, struct yahoo_packet *pkt)
@@ -952,7 +953,6 @@ static void yahoo_process_message(Purple
 	struct _yahoo_im *im = NULL;
 	const char *imv = NULL;
 	gint val_11 = 0;
-	char *fed_from = NULL;
 
 	account = purple_connection_get_account(gc);
 
@@ -963,10 +963,11 @@ static void yahoo_process_message(Purple
 			if (pair->key == 4 || pair->key == 1) {
 				im = g_new0(struct _yahoo_im, 1);
 				list = g_slist_append(list, im);
-				im->from = fed_from = pair->value;
+				im->from = pair->value;
 				im->time = time(NULL);
 				im->utf8 = TRUE;
 				im->fed = YAHOO_FEDERATION_NONE;
+				im->fed_from = g_strdup(im->from);
 			}
 			if (im && pair->key == 5)
 				im->active_id = pair->value;
@@ -985,21 +986,23 @@ static void yahoo_process_message(Purple
 			}
 			if (im && pair->key == 241) {
 				im->fed = strtol(pair->value, NULL, 10);
+				g_free(im->fed_from);
 				switch (im->fed) {
 					case YAHOO_FEDERATION_MSN:
-						fed_from = g_strconcat("msn/",im->from, NULL);
+						im->fed_from = g_strconcat("msn/",im->from, NULL);
 						break;
 					case YAHOO_FEDERATION_OCS:
-						fed_from = g_strconcat("ocs/",im->from, NULL);
+						im->fed_from = g_strconcat("ocs/",im->from, NULL);
 						break;
 					case YAHOO_FEDERATION_IBM:
-						fed_from = g_strconcat("ibm/",im->from, NULL);
+						im->fed_from = g_strconcat("ibm/",im->from, NULL);
 						break;
 					case YAHOO_FEDERATION_NONE:
 					default:
+						im->fed_from = g_strdup(im->from);
 						break;
 				}
-				purple_debug_info("yahoo", "Message from federated (%d) buddy %s.\n", im->fed, fed_from);
+				purple_debug_info("yahoo", "Message from federated (%d) buddy %s.\n", im->fed, im->fed_from);
 					
 			}
 			/* peer session id */
@@ -1024,10 +1027,10 @@ static void yahoo_process_message(Purple
 
 	/* disconnect the peer if connected through p2p and sends wrong value for session id */
 	if( (pkt_type == YAHOO_PKT_TYPE_P2P) && (val_11 != yd->session_id) ) {
-		purple_debug_warning("yahoo","p2p: %s sent us message with wrong session id. Disconnecting p2p connection to peer\n", im ? fed_from : "(im was null)");
+		purple_debug_warning("yahoo","p2p: %s sent us message with wrong session id. Disconnecting p2p connection to peer\n", im ? im->fed_from : "(im was null)");
 		/* remove from p2p connection lists, also calls yahoo_p2p_disconnect_destroy_data */
 		if (im) {
-			g_hash_table_remove(yd->peers, fed_from);
+			g_hash_table_remove(yd->peers, im->fed_from);
 			g_free(im);
 		}
 		return;
@@ -1072,13 +1075,14 @@ static void yahoo_process_message(Purple
 		char *m, *m2;
 		im = l->data;
 
-		if (!fed_from || !im->msg) {
+		if (!im->fed_from || !im->msg) {
+			g_free(im->fed_from);
 			g_free(im);
 			continue;
 		}
 
-		if (!purple_privacy_check(account, fed_from)) {
-			purple_debug_info("yahoo", "Message from %s dropped.\n", fed_from);
+		if (!purple_privacy_check(account, im->fed_from)) {
+			purple_debug_info("yahoo", "Message from %s dropped.\n", im->fed_from);
 			return;
 		}
 
@@ -1116,10 +1120,11 @@ static void yahoo_process_message(Purple
 		if (!strcmp(m, "<ding>")) {
 			char *username;
 
-			username = g_markup_escape_text(fed_from, -1);
+			username = g_markup_escape_text(im->fed_from, -1);
 			purple_prpl_got_attention(gc, username, YAHOO_BUZZ);
 			g_free(username);
 			g_free(m);
+			g_free(im->fed_from);
 			g_free(im);
 			continue;
 		}
@@ -1127,7 +1132,7 @@ static void yahoo_process_message(Purple
 		m2 = yahoo_codes_to_html(m);
 		g_free(m);
 
-		serv_got_im(gc, fed_from, m2, 0, im->time);
+		serv_got_im(gc, im->fed_from, m2, 0, im->time);
 		g_free(m2);
 
 		/* Official clients don't share buddy images with federated buddies */
@@ -1140,9 +1145,7 @@ static void yahoo_process_message(Purple
 			}
 		}
 
-		if(im->fed != YAHOO_FEDERATION_NONE)
-			g_free(fed_from);
-
+		g_free(im->fed_from);
 		g_free(im);
 	}