[tcptra-dev] [PATCH] Small bug fix

["Dima K." <dimakar@yahoo.com>]

Hello,

The getservbyport function expects the port in network byte order, while 
tcptraceroute 1.5beta5 passes it in host byte order. Attached is a simple 
patch to fix that.

Dmitry Karasik

diff -ru tcptraceroute-1.5beta5/tcptraceroute.c tcptraceroute-1.5beta5.new/tcptraceroute.c
--- tcptraceroute-1.5beta5/tcptraceroute.c	2003-07-03 15:56:41.000000000 -0400
+++ tcptraceroute-1.5beta5.new/tcptraceroute.c	2003-12-26 14:24:24.000000000 -0500
@@ -1065,7 +1065,7 @@
 	else
 		safe_snprintf(dst_name, TEXTSIZE, "%s (%s)", dst, iptos(dst_ip));
 
-	if ((serv = getservbyport(dst_prt, "tcp")) == NULL)
+	if ((serv = getservbyport(htons(dst_prt), "tcp")) == NULL)
 		safe_snprintf(dst_prt_name, TEXTSIZE, "%d", dst_prt);
 	else
 		safe_snprintf(dst_prt_name, TEXTSIZE, "%d (%s)", dst_prt, serv->s_name);