[PATCH] libosmo-sccp[master]: sccp: fix possible nullpointer deref

[dexter]

Hello Neels Hofmeyr, Jenkins Builder,

I'd like you to reexamine a change.  Please visit

    https://gerrit.osmocom.org/3354

to look at the new patch set (#3).

sccp: fix possible nullpointer deref

check input parameters local_ip and remote_ip of the function
osmo_sccp_simple_client_on_ss7_id() before using them with
talloc_strdup()

Change-Id: I1a5dd1ea3167513bf9e7ae153f83e1ae3136c905
---
M src/sccp_user.c
1 file changed, 4 insertions(+), 2 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/libosmo-sccp refs/changes/54/3354/3

diff --git a/src/sccp_user.c b/src/sccp_user.c
index c9443a2..89a0320 100644
--- a/src/sccp_user.c
+++ b/src/sccp_user.c
@@ -331,8 +331,10 @@
 			goto out_rt;
 		asp_created = true;
 
-		asp->cfg.local.host = talloc_strdup(asp, local_ip);
-		asp->cfg.remote.host = talloc_strdup(asp, remote_ip);
+		local_ip ? asp->cfg.local.host =
+		    talloc_strdup(asp, local_ip) : NULL;
+		remote_ip ? asp->cfg.remote.host =
+		    talloc_strdup(asp, remote_ip) : NULL;
 
 		osmo_ss7_as_add_asp(as, asp->cfg.name);
 	}

-- 
To view, visit https://gerrit.osmocom.org/3354
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I1a5dd1ea3167513bf9e7ae153f83e1ae3136c905
Gerrit-PatchSet: 3
Gerrit-Project: libosmo-sccp
Gerrit-Branch: master
Gerrit-Owner: dexter <pmaier at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: Neels Hofmeyr <nhofmeyr at sysmocom.de>