svn commit: r202640 - head/contrib/netcat

[Xin LI]

Author: delphij
Date: Tue Jan 19 18:45:29 2010
New Revision: 202640
URL: http://svn.freebsd.org/changeset/base/202640

Log:
  Update to 4.6.
  
  Note: the -V option from OpenBSD is implemented using setfib(2) on FreeBSD.
  
  MFC after:	2 weeks

Modified:
  head/contrib/netcat/nc.1
  head/contrib/netcat/netcat.c
Directory Properties:
  head/contrib/netcat/   (props changed)

Modified: head/contrib/netcat/nc.1
==============================================================================
--- head/contrib/netcat/nc.1	Tue Jan 19 18:42:09 2010	(r202639)
+++ head/contrib/netcat/nc.1	Tue Jan 19 18:45:29 2010	(r202640)
@@ -1,4 +1,4 @@
-.\"     $OpenBSD: nc.1,v 1.48 2008/09/19 13:24:41 sobrado Exp $
+.\"     $OpenBSD: nc.1,v 1.50 2009/06/05 06:47:12 jmc Exp $
 .\"
 .\" Copyright (c) 1996 David Sacerdote
 .\" All rights reserved.
@@ -27,7 +27,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd May 6 2008
+.Dd June 5 2009
 .Dt NC 1
 .Os
 .Sh NAME
@@ -46,6 +46,7 @@
 .Op Fl p Ar source_port
 .Op Fl s Ar source_ip_address
 .Op Fl T Ar ToS
+.Op Fl V Ar fib
 .Op Fl w Ar timeout
 .Op Fl X Ar proxy_protocol
 .Oo Xo
@@ -208,6 +209,9 @@ to script telnet sessions.
 Specifies to use Unix Domain Sockets.
 .It Fl u
 Use UDP instead of the default option of TCP.
+.It Fl V Ar fib
+Set the routing table (FIB).
+The default is 0.
 .It Fl v
 Have
 .Nm
@@ -449,6 +453,7 @@ if the proxy requires it:
 .Ex -std
 .Sh SEE ALSO
 .Xr cat 1 ,
+.Xr setfib 1 ,
 .Xr ssh 1 ,
 .Xr tcp 4
 .Sh AUTHORS

Modified: head/contrib/netcat/netcat.c
==============================================================================
--- head/contrib/netcat/netcat.c	Tue Jan 19 18:42:09 2010	(r202639)
+++ head/contrib/netcat/netcat.c	Tue Jan 19 18:45:29 2010	(r202640)
@@ -1,4 +1,4 @@
-/* $OpenBSD: netcat.c,v 1.92 2008/09/19 13:24:41 sobrado Exp $ */
+/* $OpenBSD: netcat.c,v 1.93 2009/06/05 00:18:10 claudio Exp $ */
 /*
  * Copyright (c) 2001 Eric Jackson <ericj at monkey.org>
  *
@@ -36,6 +36,7 @@
 #include <sys/limits.h>
 #include <sys/types.h>
 #include <sys/socket.h>
+#include <sys/sysctl.h>
 #include <sys/time.h>
 #include <sys/un.h>
 
@@ -94,6 +95,7 @@ int	Iflag;					/* TCP receive buffer siz
 int	Oflag;					/* TCP send buffer size */
 int	Sflag;					/* TCP MD5 signature option */
 int	Tflag = -1;				/* IP Type of Service */
+u_int	rdomain;
 
 int timeout = -1;
 int family = AF_UNSPEC;
@@ -124,6 +126,8 @@ int
 main(int argc, char *argv[])
 {
 	int ch, s, ret, socksv, ipsec_count;
+	int numfibs;
+	size_t intsize = sizeof(int);
 	char *host, *uport;
 	struct addrinfo hints;
 	struct servent *sv;
@@ -137,6 +141,7 @@ main(int argc, char *argv[])
 		{ NULL,		0,		NULL,		0 }
 	};
 
+	rdomain = 0;
 	ret = 1;
 	ipsec_count = 0;
 	s = 0;
@@ -146,7 +151,7 @@ main(int argc, char *argv[])
 	sv = NULL;
 
 	while ((ch = getopt_long(argc, argv,
-	    "46e:DEdhi:jklnoI:O:P:p:rSs:tT:Uuvw:X:x:z",
+	    "46DdEe:hI:i:jklnO:oP:p:rSs:tT:UuV:vw:X:x:z",
 	    longopts, NULL)) != -1) {
 		switch (ch) {
 		case '4':
@@ -229,6 +234,14 @@ main(int argc, char *argv[])
 		case 'u':
 			uflag = 1;
 			break;
+		case 'V':
+			if (sysctlbyname("net.fibs", &numfibs, &intsize, NULL, 0) == -1)
+				errx(1, "Multiple FIBS not supported");
+			rdomain = (unsigned int)strtonum(optarg, 0,
+			    numfibs - 1, &errstr);
+			if (errstr)
+				errx(1, "FIB %s: %s", errstr, optarg);
+			break;
 		case 'v':
 			vflag = 1;
 			break;
@@ -550,6 +563,11 @@ remote_connect(const char *host, const c
 			add_ipsec_policy(s, ipsec_policy[1]);
 #endif
 
+		if (rdomain) {
+			if (setfib(rdomain) == -1)
+				err(1, "setfib");
+		}
+
 		/* Bind to a local port or source address if specified. */
 		if (sflag || pflag) {
 			struct addrinfo ahints, *ares;
@@ -620,6 +638,11 @@ local_listen(char *host, char *port, str
 		    res0->ai_protocol)) < 0)
 			continue;
 
+		if (rdomain) {
+			if (setfib(rdomain) == -1)
+				err(1, "setfib");
+		}
+
 		ret = setsockopt(s, SOL_SOCKET, SO_REUSEPORT, &x, sizeof(x));
 		if (ret == -1)
 			err(1, NULL);
@@ -930,6 +953,7 @@ help(void)
 	\t-t		Answer TELNET negotiation\n\
 	\t-U		Use UNIX domain socket\n\
 	\t-u		UDP mode\n\
+	\t-V fib	Specify alternate routing table (FIB)\n\
 	\t-v		Verbose\n\
 	\t-w secs\t	Timeout for connects and final net reads\n\
 	\t-X proto	Proxy protocol: \"4\", \"5\" (SOCKS) or \"connect\"\n\
@@ -974,8 +998,8 @@ usage(int ret)
 	    "usage: nc [-46DdhklnorStUuvz] [-I length] [-i interval] [-O length]\n"
 #endif
 	    "\t  [-P proxy_username] [-p source_port] [-s source_ip_address] [-T ToS]\n"
-	    "\t  [-w timeout] [-X proxy_protocol] [-x proxy_address[:port]] [hostname]\n"
-	    "\t  [port]\n");
+	    "\t  [-V fib] [-w timeout] [-X proxy_protocol]\n"
+	    "\t  [-x proxy_address[:port]] [hostname] [port]\n");
 	if (ret)
 		exit(1);
 }