Fix XML encoding of 'identity display' in NOTIFY messages, continued.

When r378933 was merged into 1.8, it should have also escaped
remote_display, since it will have the same XML encoding problem when
the caller/callee roles are reversed.

(closes issue ABE-2902)
Reported by: Guenther Kelleter
........

Merged revisions 379001 from http://svn.asterisk.org/svn/asterisk/branches/1.8

git-svn-id: https://origsvn.digium.com/svn/asterisk/certified/branches/1.8.15@379002 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 5b071350f191c686f6167ce28adb165986843bb9..094aef24e10942308084edaaf4ffd2dbc52e592b 100644 (file)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -12850,8 +12850,8 @@ static void state_notify_build_xml(struct state_notify_data *data, int full, con
                if ((data->state & AST_EXTENSION_RINGING) && sip_cfg.notifyringing) {
                        /* Twice the extension length should be enough for XML encoding */
                        char local_display[AST_MAX_EXTENSION * 2];
+                       char remote_display[AST_MAX_EXTENSION * 2];
                        char *local_target = ast_strdupa(mto);
-                       const char *remote_display = exten;
                        /* It may seem odd to base the remote_target on the To header here,
                         * but testing by reporters on issue ASTERISK-16735 found that basing
                         * on the From header would cause ringing state hints to not work
@@ -12863,6 +12863,7 @@ static void state_notify_build_xml(struct state_notify_data *data, int full, con
                        char *remote_target = ast_strdupa(mto);
 
                        ast_xml_escape(exten, local_display, sizeof(local_display));
+                       ast_xml_escape(exten, remote_display, sizeof(remote_display));
 
                        /* There are some limitations to how this works.  The primary one is that the
                           callee must be dialing the same extension that is being monitored.  Simply dialing
@@ -12882,8 +12883,9 @@ static void state_notify_build_xml(struct state_notify_data *data, int full, con
                                        remote_target = alloca(need);
                                        snprintf(remote_target, need, "sip:%s@%s", cid_num, p->fromdomain);
 
-                                       remote_display = ast_strdupa(S_COR(caller->caller.id.name.valid,
-                                               caller->caller.id.name.str, ""));
+                                       ast_xml_escape(S_COR(caller->caller.id.name.valid,
+                                                            caller->caller.id.name.str, ""),
+                                                      remote_display, sizeof(remote_display));
 
                                        connected_num = S_COR(caller->connected.id.number.valid,
                                                caller->connected.id.number.str, "");