diff options
author | file <file@f38db490-d61c-443f-a65b-d21fe96a405b> | 2008-02-25 16:18:46 +0000 |
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committer | file <file@f38db490-d61c-443f-a65b-d21fe96a405b> | 2008-02-25 16:18:46 +0000 |
commit | 27101419f11b16bbd1cf771363d548f46a75ffe4 (patch) | |
tree | bff253507ea43a155763863205c19fd8c3bf37e0 /channels | |
parent | 4e42228cd2e78522916656c084543bb6af287ebd (diff) |
Merged revisions 104084 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4
........
r104084 | file | 2008-02-25 12:16:13 -0400 (Mon, 25 Feb 2008) | 6 lines
If a resubscription comes in for a dialog we no longer know about tell the remote side that the dialog does not exist so they subscribe again using a new dialog.
(closes issue #10727)
Reported by: s0l4rb03
Patches:
10727-2.diff uploaded by file (license 11)
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git-svn-id: http://svn.digium.com/svn/asterisk/trunk@104085 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'channels')
-rw-r--r-- | channels/chan_sip.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c index 84a52c420..25071518c 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -17392,6 +17392,18 @@ static int handle_request_subscribe(struct sip_pvt *p, struct sip_request *req, } if (!req->ignore && !resubscribe) { /* Set up dialog, new subscription */ + const char *to = get_header(req, "To"); + char totag[128]; + + /* Check to see if a tag was provided, if so this is actually a resubscription of a dialog we no longer know about */ + if (!ast_strlen_zero(to) && gettag(req, "To", totag, sizeof(totag))) { + if (req->debug) + ast_verbose("Received resubscription for a dialog we no longer know about. Telling remote side to subscribe again.\n"); + transmit_response(p, "481 Subscription does not exist", req); + p->needdestroy = 1; + return 0; + } + /* Use this as the basis */ if (req->debug) ast_verbose("Creating new subscription\n"); |