kenmirrors/asterisk
1
0
Fork 0
mirror of https://github.com/asterisk/asterisk.git synced 2025-09-05 12:16:00 +00:00
Code Issues Packages Projects Releases Wiki Activity

chan_sip: Fix memory leaks.

Browse Source 
In change_redirecting_information variables we use ast_strlen_zero to
see if a value should be saved.  In the case where the value is not NULL
but is a zero length string we leaked.

handle_response_subscribe leaked a reference to the ccss monitor
instance.

Change-Id: Ib11444de69c3d5b2360a88ba2feb54d2c2e9f05f
This commit is contained in:
Corey Farrell
2017-12-18 19:59:57 -05:00
parent 909f41a2e0
commit 0e5d8ad09b
1 changed files with 10 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
channels/chan_sip.c
View File

@@ -23168,6 +23168,8 @@ static void change_redirecting_information(struct sip_pvt *p, struct sip_request
redirecting->from.number.valid = 1;
ast_free(redirecting->from.number.str);
redirecting->from.number.str = redirecting_from_number;
} else {
ast_free(redirecting_from_number);
}
if (!ast_strlen_zero(redirecting_from_name)) {
ast_debug(3, "Got redirecting from name %s\n", redirecting_from_name);
@@ -23175,6 +23177,8 @@ static void change_redirecting_information(struct sip_pvt *p, struct sip_request
redirecting->from.name.valid = 1;
ast_free(redirecting->from.name.str);
redirecting->from.name.str = redirecting_from_name;
} else {
ast_free(redirecting_from_name);
}
if (!ast_strlen_zero(p->cid_tag)) {
ast_free(redirecting->from.tag);
@@ -23188,13 +23192,17 @@ static void change_redirecting_information(struct sip_pvt *p, struct sip_request
redirecting->to.number.valid = 1;
ast_free(redirecting->to.number.str);
redirecting->to.number.str = redirecting_to_number;
} else {
ast_free(redirecting_to_number);
}
if (!ast_strlen_zero(redirecting_to_name)) {
ast_debug(3, "Got redirecting to name %s\n", redirecting_from_number);
ast_debug(3, "Got redirecting to name %s\n", redirecting_to_name);
update_redirecting->to.name = 1;
redirecting->to.name.valid = 1;
ast_free(redirecting->to.name.str);
redirecting->to.name.str = redirecting_to_name;
} else {
ast_free(redirecting_to_name);
}
redirecting->reason.code = reason;
ast_free(redirecting->reason.str);
@@ -24223,6 +24231,7 @@ static void handle_response_subscribe(struct sip_pvt *p, int resp, const char *r
ast_cc_monitor_failed(monitor_instance->core_id,
monitor_instance->device_name,
"Received error response to our SUBSCRIBE");
ao2_ref(monitor_instance, -1);
}
return;
}