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[src/trunk]: src/usr.sbin/nfsd PR/42486: Ed Ravin nfsd sometimes exits premat...
details: https://anonhg.NetBSD.org/src/rev/826619a921ce
branches: trunk
changeset: 750225:826619a921ce
user: christos <christos%NetBSD.org@localhost>
date: Mon Dec 21 05:06:55 2009 +0000
description:
PR/42486: Ed Ravin nfsd sometimes exits prematurely during port-scan fix
from freebsd bin 61084 applied (preserving errno properly). The accept
code should be merged.
diffstat:
usr.sbin/nfsd/nfsd.c | 18 +++++++++++++++---
1 files changed, 15 insertions(+), 3 deletions(-)
diffs (71 lines):
diff -r 0b8bef42a24f -r 826619a921ce usr.sbin/nfsd/nfsd.c
--- a/usr.sbin/nfsd/nfsd.c Sun Dec 20 23:23:46 2009 +0000
+++ b/usr.sbin/nfsd/nfsd.c Mon Dec 21 05:06:55 2009 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: nfsd.c,v 1.56 2008/11/21 07:48:35 pooka Exp $ */
+/* $NetBSD: nfsd.c,v 1.57 2009/12/21 05:06:55 christos Exp $ */
/*
* Copyright (c) 1989, 1993, 1994
@@ -42,7 +42,7 @@
#if 0
static char sccsid[] = "@(#)nfsd.c 8.9 (Berkeley) 3/29/95";
#else
-__RCSID("$NetBSD: nfsd.c,v 1.56 2008/11/21 07:48:35 pooka Exp $");
+__RCSID("$NetBSD: nfsd.c,v 1.57 2009/12/21 05:06:55 christos Exp $");
#endif
#endif /* not lint */
@@ -147,7 +147,7 @@
struct sockaddr_in6 inet6peer;
struct pollfd set[4];
socklen_t len;
- int ch, cltpflag, connect_type_cnt, i, maxsock, msgsock;
+ int ch, cltpflag, connect_type_cnt, i, maxsock, msgsock, serrno;
int nfsdcnt, on = 1, reregister, sock, tcpflag, tcpsock;
int tcp6sock, ip6flag;
int tp4cnt, tp4flag, tpipcnt, tpipflag, udpflag, ecode, s;
@@ -486,7 +486,10 @@
len = sizeof(inetpeer);
if ((msgsock = accept(tcpsock,
(struct sockaddr *)&inetpeer, &len)) < 0) {
+ serrno = errno;
syslog(LOG_ERR, "accept failed: %m");
+ if (serrno == EINTR || serrno == ECONNABORTED)
+ continue;
exit(1);
}
memset(inetpeer.sin_zero, 0, sizeof(inetpeer.sin_zero));
@@ -505,7 +508,10 @@
len = sizeof(inet6peer);
if ((msgsock = accept(tcp6sock,
(struct sockaddr *)&inet6peer, &len)) < 0) {
+ serrno = errno;
syslog(LOG_ERR, "accept failed: %m");
+ if (serrno == EINTR || serrno == ECONNABORTED)
+ continue;
exit(1);
}
if (setsockopt(msgsock, SOL_SOCKET,
@@ -524,7 +530,10 @@
len = sizeof(isopeer);
if ((msgsock = accept(tp4sock,
(struct sockaddr *)&isopeer, &len)) < 0) {
+ serrno = errno;
syslog(LOG_ERR, "accept failed: %m");
+ if (serrno == EINTR || serrno == ECONNABORTED)
+ continue;
exit(1);
}
if (setsockopt(msgsock, SOL_SOCKET,
@@ -542,7 +551,10 @@
len = sizeof(inetpeer);
if ((msgsock = accept(tpipsock,
(struct sockaddr *)&inetpeer, &len)) < 0) {
+ serrno = errno;
syslog(LOG_ERR, "accept failed: %m");
+ if (serrno == EINTR || serrno == ECONNABORTED)
+ continue;
exit(1);
}
if (setsockopt(msgsock, SOL_SOCKET,
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