The networking swissarmy knife needs to work on alternate domains as well.

Again -V can be used to specify the domain.

2 files changed, 29 insertions, 6 deletions

diff --git a/src/usr.bin/nc/nc.1 b/src/usr.bin/nc/nc.1
index e8dfeea077..c8bb9b071d 100644
--- a/src/usr.bin/nc/nc.1
+++ b/src/usr.bin/nc/nc.1
@@ -1,4 +1,4 @@
-.\"     $OpenBSD: nc.1,v 1.48 2008/09/19 13:24:41 sobrado Exp $
+.\"     $OpenBSD: nc.1,v 1.49 2009/06/05 00:18:10 claudio Exp $
 .\"
 .\" Copyright (c) 1996 David Sacerdote
 .\" All rights reserved.
@@ -25,7 +25,7 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: September 19 2008 $
+.Dd $Mdocdate: June 5 2009 $
 .Dt NC 1
 .Os
 .Sh NAME
@@ -42,6 +42,7 @@
 .Op Fl p Ar source_port
 .Op Fl s Ar source_ip_address
 .Op Fl T Ar ToS
+.Op Fl V Ar rdomain
 .Op Fl w Ar timeout
 .Op Fl X Ar proxy_protocol
 .Oo Xo
@@ -176,6 +177,8 @@ 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 rdomain
+Set the routing domain, the default is 0.
 .It Fl v
 Have
 .Nm
diff --git a/src/usr.bin/nc/netcat.c b/src/usr.bin/nc/netcat.c
index e465073506..6700f89cfe 100644
--- a/src/usr.bin/nc/netcat.c
+++ b/src/usr.bin/nc/netcat.c
@@ -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@monkey.org>
  *
@@ -84,6 +84,7 @@ int	Iflag;					/* TCP receive buffer size */
 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;
@@ -125,7 +126,7 @@ main(int argc, char *argv[])
         sv = NULL;
 
         while ((ch = getopt(argc, argv,
-            "46DdhI:i:jklnO:P:p:rSs:tT:Uuvw:X:x:z")) != -1) {
+            "46DdhI:i:jklnO:P:p:rSs:tT:UuV:vw:X:x:z")) != -1) {
                 switch (ch) {
                 case '4':
                         family = AF_INET;
@@ -187,6 +188,12 @@ main(int argc, char *argv[])
                 case 'u':
                         uflag = 1;
                         break;
+                case 'V':
+                        rdomain = (unsigned int)strtonum(optarg, 0,
+                            RT_TABLEID_MAX, &errstr);
+                        if (errstr)
+                                errx(1, "rdomain %s: %s", errstr, optarg);
+                        break;
                 case 'v':
                         vflag = 1;
                         break;
@@ -498,6 +505,12 @@ remote_connect(const char *host, const char *port, struct addrinfo hints)
                     res0->ai_protocol)) < 0)
                         continue;
 
+                if (rdomain) {
+                        if (setsockopt(s, IPPROTO_IP, SO_RDOMAIN, &rdomain,
+                            sizeof(rdomain)) == -1)
+                                err(1, "setsockopt SO_RDOMAIN");
+                }
+
                 /* Bind to a local port or source address if specified. */
                 if (sflag || pflag) {
                         struct addrinfo ahints, *ares;
@@ -566,6 +579,12 @@ local_listen(char *host, char *port, struct addrinfo hints)
                     res0->ai_protocol)) < 0)
                         continue;
 
+                if (rdomain) {
+                        if (setsockopt(s, IPPROTO_IP, SO_RDOMAIN, &rdomain,
+                            sizeof(rdomain)) == -1)
+                                err(1, "setsockopt SO_RDOMAIN");
+                }
+
                 ret = setsockopt(s, SOL_SOCKET, SO_REUSEPORT, &x, sizeof(x));
                 if (ret == -1)
                         err(1, NULL);
@@ -851,6 +870,7 @@ help(void)
         \t-t            Answer TELNET negotiation\n\
         \t-U            Use UNIX domain socket\n\
         \t-u            UDP mode\n\
+        \t-V rdomain    Specify alternate routing domain\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\
@@ -866,8 +886,8 @@ usage(int ret)
         fprintf(stderr,
             "usage: nc [-46DdhklnrStUuvz] [-I length] [-i interval] [-O length]\n"
             "\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 rdomain] [-w timeout] [-X proxy_protocol]\n"
+            "\t  [-x proxy_address[:port]] [hostname] [port]\n");
         if (ret)
                 exit(1);
 }