From: Pekka Riikonen <priikone@silcnet.org>
Date: Tue, 8 Apr 2003 11:41:12 +0000 (+0000)
Subject: 	Check for NULL payloads (can happen with empty message).
X-Git-Tag: silc.toolkit.0.9.10~117
X-Git-Url: http://git.silcnet.org/gitweb/?a=commitdiff_plain;h=20419b15681085a55760ff54b795892d973c1e71;p=silc.git

	Check for NULL payloads (can happen with empty message).
---

diff --git a/lib/silcclient/client_channel.c b/lib/silcclient/client_channel.c
index 68983d59..679fe5ee 100644
--- a/lib/silcclient/client_channel.c
+++ b/lib/silcclient/client_channel.c
@@ -111,6 +111,8 @@ void silc_client_send_channel_message(SilcClient client,
   payload = silc_message_payload_encode(flags, data, data_len, TRUE, FALSE,
 					cipher, hmac, client->rng, NULL,
 					client->private_key, client->sha1hash);
+  if (!payload)
+    return;
 
   /* Get data used in packet header encryption, keys and stuff. */
   cipher = conn->internal->send_key;
diff --git a/lib/silcclient/client_prvmsg.c b/lib/silcclient/client_prvmsg.c
index 36d7bbe4..9b6f454a 100644
--- a/lib/silcclient/client_prvmsg.c
+++ b/lib/silcclient/client_prvmsg.c
@@ -60,6 +60,8 @@ void silc_client_send_private_message(SilcClient client,
 				       client_entry->hmac_send,
 				       client->rng, NULL, client->private_key,
 				       client->sha1hash);
+  if (!buffer)
+    return;
 
   /* If we don't have private message specific key then private messages
      are just as any normal packet thus call normal packet sending.  If