From 137533bd69847030d716658e1772c6320f9282bb Mon Sep 17 00:00:00 2001 From: cinap_lenrek Date: Thu, 31 Mar 2016 20:35:02 +0200 Subject: 6in4: allow setting the local IPv4 address with -i flag (thanks k0ga) --- sys/src/cmd/ip/6in4.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'sys/src/cmd') diff --git a/sys/src/cmd/ip/6in4.c b/sys/src/cmd/ip/6in4.c index 3d3759af4..ae591a607 100644 --- a/sys/src/cmd/ip/6in4.c +++ b/sys/src/cmd/ip/6in4.c @@ -71,7 +71,7 @@ static void tunnel2ip(int, int); static void usage(void) { - fprint(2, "usage: %s [-ag] [-x mtpt] [-o mtpt] [local6[/mask]] [remote4 [remote6]]\n", + fprint(2, "usage: %s [-ag] [-x mtpt] [-o mtpt] [-i local4] [local6[/mask]] [remote4 [remote6]]\n", argv0); exits("Usage"); } @@ -261,11 +261,14 @@ main(int argc, char **argv) case 'o': outside = EARGF(usage()); break; + case 'i': + parseip(myip, EARGF(usage())); + break; default: usage(); } ARGEND - if (myipaddr(myip, outside) < 0) + if (ipcmp(myip, IPnoaddr) == 0 && myipaddr(myip, outside) < 0) sysfatal("can't find my ipv4 address on %s", outside); if (!isv4(myip)) sysfatal("my ip, %I, is not a v4 address", myip); -- cgit v1.2.3