Don't crash if ZapHangup, ZapTransfer, ZapDialOffhook are used on the channel that...

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1775 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_zap.c b/channels/chan_zap.c
index dc1e8b0..0f21aac 100755 (executable)
--- a/channels/chan_zap.c
+++ b/channels/chan_zap.c
@@ -3857,6 +3857,8 @@ static struct ast_channel *zt_new(struct zt_pvt *i, int state, int startpbx, int
                i->isidlecall = 0;
                i->alreadyhungup = 0;
 #endif
+               /* clear the fake event in case we posted one before we had ast_chanenl */
+               i->fake_event = 0;
                /* Assure there is no confmute on this channel */
                zt_confmute(i, 0);
                if (startpbx) {
@@ -6814,6 +6816,10 @@ static int action_transfer(struct mansession *s, struct message *m)
                return 0;
        }
        p = find_channel(atoi(channel));
+       if (p->owner && p->owner->_state != AST_STATE_UP) {
+               astman_send_error(s, m, "Channel is on hook");
+               return 0;
+       }
        if (!p) {
                astman_send_error(s, m, "No such channel");
                return 0;
@@ -6832,6 +6838,10 @@ static int action_transferhangup(struct mansession *s, struct message *m)
                return 0;
        }
        p = find_channel(atoi(channel));
+       if (p->owner && p->owner->_state != AST_STATE_UP) {
+               astman_send_error(s, m, "Channel is on hook");
+               return 0;
+       }
        if (!p) {
                astman_send_error(s, m, "No such channel");
                return 0;
@@ -6856,6 +6866,15 @@ static int action_zapdialoffhook(struct mansession *s, struct message *m)
                return 0;
        }
        p = find_channel(atoi(channel));
+       if (p->owner) {
+               if (p->owner->_state != AST_STATE_UP) {
+                       astman_send_error(s, m, "Channel is on hook");
+                       return 0;
+               }
+       } else {
+               astman_send_error(s, m, "Channel does not have it's owner");
+               return 0;
+       }
        if (!p) {
                astman_send_error(s, m, "No such channel");
                return 0;