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Don't try to push v6 addresses into the kernel when they're not supported.

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This commit is contained in:
fvdl 2000-06-19 23:44:16 +00:00
parent 0b8498ceb3
commit 95e20d99e4
1 changed files with 17 additions and 3 deletions
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20
usr.sbin/mountd/mountd.c
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@ -1,4 +1,4 @@
/* $NetBSD: mountd.c,v 1.69 2000/06/16 11:34:55 hannken Exp $ */
/* $NetBSD: mountd.c,v 1.70 2000/06/19 23:44:16 fvdl Exp $ */
/*
* Copyright (c) 1989, 1993
@ -51,7 +51,7 @@ __COPYRIGHT("@(#) Copyright (c) 1989, 1993\n\
#if 0
static char sccsid[] = "@(#)mountd.c 8.15 (Berkeley) 5/1/95";
#else
__RCSID("$NetBSD: mountd.c,v 1.69 2000/06/16 11:34:55 hannken Exp $");
__RCSID("$NetBSD: mountd.c,v 1.70 2000/06/19 23:44:16 fvdl Exp $");
#endif
#endif /* not lint */
@ -244,6 +244,7 @@ static struct ucred def_anon = {
};
static int opt_flags;
static int have_v6 = 1;
/* Bits for above */
#define OP_MAPROOT 0x001
@ -279,7 +280,7 @@ main(argc, argv)
SVCXPRT *udptransp, *tcptransp, *udp6transp, *tcp6transp;
struct netconfig *udpconf, *tcpconf, *udp6conf, *tcp6conf;
int udpsock, tcpsock, udp6sock, tcp6sock;
int xcreated = 0;
int xcreated = 0, s;
int c, one = 1;
while ((c = getopt(argc, argv, "dnr")) != -1)
@ -305,6 +306,13 @@ main(argc, argv)
else
exname = _PATH_EXPORTS;
openlog("mountd", LOG_PID, LOG_DAEMON);
s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
if (s < 0)
have_v6 = 0;
else
close(s);
if (debug)
(void)fprintf(stderr, "Getting export list.\n");
get_exportlist(0);
@ -1967,6 +1975,8 @@ do_mount(line, lineno, ep, grp, exflags, anoncrp, dirp, dirplen, fsb)
while (!done) {
switch (grp->gr_type) {
case GT_HOST:
if (addrp->sa_family == AF_INET6 && have_v6 == 0)
goto skip;
args.ua.export.ex_addr = addrp;
args.ua.export.ex_addrlen = addrlen;
args.ua.export.ex_masklen = 0;
@ -1974,6 +1984,9 @@ do_mount(line, lineno, ep, grp, exflags, anoncrp, dirp, dirplen, fsb)
case GT_NET:
args.ua.export.ex_addr = (struct sockaddr *)
&grp->gr_ptr.gt_net.nt_net;
if (args.ua.export.ex_addr->sa_family == AF_INET6 &&
have_v6 == 0)
goto skip;
args.ua.export.ex_addrlen =
args.ua.export.ex_addr->sa_len;
memset(&ss, 0, sizeof ss);
@ -2054,6 +2067,7 @@ do_mount(line, lineno, ep, grp, exflags, anoncrp, dirp, dirplen, fsb)
savedc = *cp;
*cp = '\0';
}
skip:
if (addrp) {
ai = ai->ai_next;
if (ai == NULL)