Recently I've noticed that it takes a long time for portmap
to settle well enough so that mountd and nfsd can register.
Jan 5 02:16:56 avalon mountd[97]: can't register mount
Jan 5 02:16:56 avalon nfsd:[99]: can't register with udp portmap
Very strange. Strange enough so that perhaps it might
catch someone else's interest. Someone who might actually do
something about it, maybe even.
portmap was pid 92 this time. Killing and restarting mountd and nfsd
works:
% rpcinfo -p
program vers proto port
100000 2 tcp 111 portmapper
100000 2 udp 111 portmapper
100005 3 udp 1011 mountd
100005 3 tcp 1020 mountd
100005 1 udp 1011 mountd
100005 1 tcp 1020 mountd
100003 2 udp 2049 nfs
100003 3 udp 2049 nfs
Which suggests to me -- perhaps portmap and mountd
should be allowed to take a -u argument as well, to reduce
port consumption? If so, I imagine the patch would be something
like this:
diff -u sbin/mountd/mountd.c.orig sbin/mountd/mountd.c.new
--- sbin/mountd/mountd.c.orig Wed Jan 5 02:36:27 2000
+++ sbin/mountd/mountd.c.new Wed Jan 5 02:38:22 2000
@@ -229,6 +229,8 @@
int debug = 0;
#endif
+int udponly = 0;
+
/*
* Mountd server for NFS mount protocol as described in:
* NFS: Network File System Protocol Specification, RFC1094, Appendix A
@@ -255,7 +257,7 @@
if (error)
errx(1, "NFS support is not available in the running kernel");
- while ((c = getopt(argc, argv, "2dlnr")) != -1)
+ while ((c = getopt(argc, argv, "2dlnru")) != -1)
switch (c) {
case '2':
force_v2 = 1;
@@ -272,6 +274,9 @@
case 'l':
log = 1;
break;
+ case 'u':
+ udponly = 1;
+ break;
default:
usage();
};
@@ -317,7 +322,7 @@
}
}
if ((udptransp = svcudp_create(RPC_ANYSOCK)) == NULL ||
- (tcptransp = svctcp_create(RPC_ANYSOCK, 0, 0)) == NULL) {
+ (!udponly && (tcptransp = svctcp_create(RPC_ANYSOCK, 0, 0)) == NULL)) {
syslog(LOG_ERR, "can't create socket");
exit(1);
}
@@ -325,12 +330,12 @@
pmap_unset(RPCPROG_MNT, 3);
if (!force_v2)
if (!svc_register(udptransp, RPCPROG_MNT, 3, mntsrv, IPPROTO_UDP) ||
- !svc_register(tcptransp, RPCPROG_MNT, 3, mntsrv, IPPROTO_TCP)) {
+ (!udponly && !svc_register(tcptransp, RPCPROG_MNT, 3, mntsrv,
+IPPROTO_TCP))) {
syslog(LOG_ERR, "can't register mount");
exit(1);
}
if (!svc_register(udptransp, RPCPROG_MNT, 1, mntsrv, IPPROTO_UDP) ||
- !svc_register(tcptransp, RPCPROG_MNT, 1, mntsrv, IPPROTO_TCP)) {
+ (!udponly && !svc_register(tcptransp, RPCPROG_MNT, 1, mntsrv,
+IPPROTO_TCP))) {
syslog(LOG_ERR, "can't register mount");
exit(1);
}
diff -u usr.sbin/portmap/portmap.c.orig usr.sbin/portmap/portmap.c.new
--- usr.sbin/portmap/portmap.c.orig Wed Jan 5 02:33:53 2000
+++ usr.sbin/portmap/portmap.c.new Wed Jan 5 02:36:03 2000
@@ -109,6 +109,7 @@
struct pmaplist *pmaplist;
int debugging = 0;
+int udponly = 0;
int
main(argc, argv)
@@ -121,7 +122,7 @@
int len = sizeof(struct sockaddr_in);
register struct pmaplist *pml;
- while ((c = getopt(argc, argv, "dv")) != -1) {
+ while ((c = getopt(argc, argv, "duv")) != -1) {
switch (c) {
case 'd':
@@ -132,6 +133,10 @@
verboselog = 1;
break;
+ case 'u':
+ udponly = 1;
+ break;
+
default:
usage();
}
@@ -169,29 +174,32 @@
pml->pml_map.pm_port = PMAPPORT;
pmaplist = pml;
- if ((sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) {
+ if (!udponly) {
+
+ if ((sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) {
syslog(LOG_ERR, "cannot create tcp socket: %m");
exit(1);
- }
- if (bind(sock, (struct sockaddr *)&addr, len) != 0) {
+ }
+ if (bind(sock, (struct sockaddr *)&addr, len) != 0) {
syslog(LOG_ERR, "cannot bind tcp: %m");
exit(1);
- }
- if ((xprt = svctcp_create(sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE))
- == (SVCXPRT *)NULL) {
+ }
+ if ((xprt = svctcp_create(sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE))
+ == (SVCXPRT *)NULL) {
syslog(LOG_ERR, "couldn't do tcp_create");
exit(1);
+ }
+ /* make an entry for ourself */
+ pml = (struct pmaplist *)malloc((u_int)sizeof(struct pmaplist));
+ pml->pml_map.pm_prog = PMAPPROG;
+ pml->pml_map.pm_vers = PMAPVERS;
+ pml->pml_map.pm_prot = IPPROTO_TCP;
+ pml->pml_map.pm_port = PMAPPORT;
+ pml->pml_next = pmaplist;
+ pmaplist = pml;
+
+ (void)svc_register(xprt, PMAPPROG, PMAPVERS, reg_service, FALSE);
}
- /* make an entry for ourself */
- pml = (struct pmaplist *)malloc((u_int)sizeof(struct pmaplist));
- pml->pml_map.pm_prog = PMAPPROG;
- pml->pml_map.pm_vers = PMAPVERS;
- pml->pml_map.pm_prot = IPPROTO_TCP;
- pml->pml_map.pm_port = PMAPPORT;
- pml->pml_next = pmaplist;
- pmaplist = pml;
-
- (void)svc_register(xprt, PMAPPROG, PMAPVERS, reg_service, FALSE);
/* additional initializations */
check_startup();
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