From: short <>
Date: Sun, 26 Jun 2005 03:00:18 +0000 (+0000)
Subject: Fixed checking of IPv4 port validity.
X-Git-Tag: udpgate-1_0_2~20
X-Git-Url: http://git.jankratochvil.net/?p=udpgate.git;a=commitdiff_plain;h=a53bb8d9a6da528af5f84a0a4bbcfd581a083360

Fixed checking of IPv4 port validity.
---

diff --git a/src/network.c b/src/network.c
index 59d3a9a..c658c13 100644
--- a/src/network.c
+++ b/src/network.c
@@ -580,19 +580,26 @@ size_t packet_length;
 static gboolean master_start(gint port)
 {
 struct sockaddr_in sockaddr_in;
+uint16_t port_use;
 
 	g_return_val_if_fail(port>=0,FALSE);
 	g_return_val_if_fail(master==NULL,FALSE);
 
+	port_use=port;
+	if (port < 0 || port_use != port) {
+		g_warning(_("Port value %d is not valid for IPv4!"),(int)port);
+		return FALSE;
+		}
+
 	/* Setup 'master': */
 	if (!(master=client_new()))
 		return FALSE;
 	UDPGATE_MEMZERO(&sockaddr_in);
 	sockaddr_in.sin_family=AF_INET;
-	sockaddr_in.sin_port=htons(port);
+	sockaddr_in.sin_port=htons(port_use);
 	sockaddr_in.sin_addr.s_addr=htonl(INADDR_ANY);
 	if (bind(master->gpollfd.fd,(struct sockaddr *)&sockaddr_in,sizeof(sockaddr_in))) {
-		g_warning("bind(sock,{AF_INET,INADDR_ANY:%d}): %m",(int)port);
+		g_warning("bind(sock,{AF_INET,INADDR_ANY:%u}): %m",(unsigned)port_use);
 		return FALSE;
 		}
 	return TRUE;