Module: kamailio
Branch: 4.3
Commit: 863739dec78161fdce871c281601a011572515a2
URL:
https://github.com/kamailio/kamailio/commit/863739dec78161fdce871c281601a01…
Author: Daniel-Constantin Mierla <miconda(a)gmail.com>
Committer: Daniel-Constantin Mierla <miconda(a)gmail.com>
Date: 2015-11-25T13:05:46+01:00
dialog: safety bump of cseq for bye if prack was involved in call setup
- reported by GH#409
(cherry picked from commit aab6547f39d723de6a01680cbd79b9365be8092f)
---
Modified: modules/dialog/dlg_hash.c
Modified: modules/dialog/dlg_hash.h
Modified: modules/dialog/dlg_req_within.c
---
Diff:
https://github.com/kamailio/kamailio/commit/863739dec78161fdce871c281601a01…
Patch:
https://github.com/kamailio/kamailio/commit/863739dec78161fdce871c281601a01…
---
diff --git a/modules/dialog/dlg_hash.c b/modules/dialog/dlg_hash.c
index 656833c..6582ded 100644
--- a/modules/dialog/dlg_hash.c
+++ b/modules/dialog/dlg_hash.c
@@ -999,6 +999,8 @@ void next_state_dlg(dlg_cell_t *dlg, int event,
switch (dlg->state) {
case DLG_STATE_EARLY:
case DLG_STATE_CONFIRMED_NA:
+ dlg->iflags |= DLG_IFLAG_PRACK;
+ break;
case DLG_STATE_DELETED:
break;
default:
diff --git a/modules/dialog/dlg_hash.h b/modules/dialog/dlg_hash.h
index 64fb037..f756dc4 100644
--- a/modules/dialog/dlg_hash.h
+++ b/modules/dialog/dlg_hash.h
@@ -76,6 +76,7 @@
#define DLG_IFLAG_KA_DST (1<<2) /*!< send keep alive to dst */
#define DLG_IFLAG_TIMER_NORESET (1<<3) /*!< don't reset dialog timers on
in-dialog messages reception */
#define DLG_IFLAG_CSEQ_DIFF (1<<4) /*!< CSeq changed in dialog */
+#define DLG_IFLAG_PRACK (1<<5) /*!< PRACK was routed during initial
state */
#define DLG_CALLER_LEG 0 /*!< attribute that belongs to a caller leg */
#define DLG_CALLEE_LEG 1 /*!< attribute that belongs to a callee leg */
diff --git a/modules/dialog/dlg_req_within.c b/modules/dialog/dlg_req_within.c
index f862ab2..6c5922c 100644
--- a/modules/dialog/dlg_req_within.c
+++ b/modules/dialog/dlg_req_within.c
@@ -348,6 +348,11 @@ static inline int send_bye(struct dlg_cell * cell, int dir, str
*hdrs)
goto err;
}
+ /* safety bump of cseq if prack was involved in call setup */
+ if(cell->iflags & DLG_IFLAG_PRACK) {
+ dialog_info->loc_seq.value += 80;
+ }
+
LM_DBG("sending BYE to %s\n",
(dir==DLG_CALLER_LEG)?"caller":"callee");
iuid = dlg_get_iuid_shm_clone(cell);