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natd(8) will work with an unconfigured interface and effectively not do

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anything until the interface is assigned an address.  This fixes
ipfw_nat to do the same by using an IP of INADDR_ANY instead of
aborting the nat setup if the requested interface is not yet configured.

Differential Revision:	https://reviews.freebsd.org/D1539
Reviewed by:	melifaro, glebius, gnn
MFC after:	1 week
This commit is contained in:
John Baldwin 2015-01-25 20:37:32 +00:00
parent 8d44440ad9
commit 2aa533b91d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=277714
1 changed files with 3 additions and 3 deletions
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6
sbin/ipfw/nat.c
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@ -163,9 +163,9 @@ set_addr_dynamic(const char *ifn, struct nat44_cfg_nat *n)
}
}
if (sin == NULL)
errx(1, "%s: cannot get interface address", ifn);
n->ip = sin->sin_addr;
n->ip.s_addr = htonl(INADDR_ANY);
else
n->ip = sin->sin_addr;
strncpy(n->if_name, ifn, IF_NAMESIZE);
free(buf);