From: Pekka Riikonen <priikone@silcnet.org>
Date: Wed, 28 May 2014 10:55:46 +0000 (+0300)
Subject: silcnet: handle OOM situation gracefully
X-Git-Url: http://git.silcnet.org/gitweb/?p=silc.git;a=commitdiff_plain;h=a0701bd8cb2ae882e844d4373b58c6b4ea6de0c6

silcnet: handle OOM situation gracefully
---

diff --git a/lib/silcutil/silcnet.c b/lib/silcutil/silcnet.c
index 60a8a477..e2f7e239 100644
--- a/lib/silcutil/silcnet.c
+++ b/lib/silcutil/silcnet.c
@@ -447,8 +447,11 @@ SilcBool silc_net_check_host_by_sock(SilcSocket sock, char **hostname,
     if (!ip || !silc_net_gethostbyaddr(*ip, host, sizeof(host)))
       return FALSE;
 
+    SILC_LOG_DEBUG(("Resolved hostname `%s'", host));
+
     *hostname = silc_memdup(host, strlen(host));
-    SILC_LOG_DEBUG(("Resolved hostname `%s'", *hostname));
+    if (!(*hostname))
+      return FALSE;
 
     /* Reverse */
     if (!silc_net_gethostbyname(*hostname, TRUE, host, sizeof(host)))
@@ -533,8 +536,11 @@ SilcBool silc_net_check_local_by_sock(SilcSocket sock, char **hostname,
     if (!ip || !silc_net_gethostbyaddr(*ip, host, sizeof(host)))
       return FALSE;
 
+    SILC_LOG_DEBUG(("Resolved hostname `%s'", host));
+
     *hostname = silc_memdup(host, strlen(host));
-    SILC_LOG_DEBUG(("Resolved hostname `%s'", *hostname));
+    if (!(*hostname))
+      return FALSE;
 
     /* Reverse */
     if (!silc_net_gethostbyname(*hostname, TRUE, host, sizeof(host)))