* Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
*/
-#include "config.h"
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
#include <stdio.h>
#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
#include <getopt.h>
+#include <netdb.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
#include "nfslib.h"
+#include "nfssvc.h"
+#include "xlog.h"
static void usage(const char *);
+static struct option longopts[] =
+{
+ { "host", 1, 0, 'H' },
+ { "help", 0, 0, 'h' },
+ { "no-nfs-version", 1, 0, 'N' },
+ { "no-tcp", 0, 0, 'T' },
+ { "no-udp", 0, 0, 'U' },
+ { "port", 1, 0, 'P' },
+ { "port", 1, 0, 'p' },
+ { "debug", 0, 0, 'd' },
+ { "syslog", 0, 0, 's' },
+ { NULL, 0, 0, 0 }
+};
+unsigned int protobits = NFSCTL_ALLBITS;
+unsigned int versbits = NFSCTL_ALLBITS;
+int minorvers4 = NFSD_MAXMINORVERS4; /* nfsv4 minor version */
+char *haddr = NULL;
+
int
main(int argc, char **argv)
{
- int count = 1, c, error, port;
+ int count = 1, c, error, port, fd, found_one;
+ struct servent *ent;
+ struct hostent *hp;
+ char *p, *progname;
- port = 2049;
+ ent = getservbyname ("nfs", "udp");
+ if (ent != NULL)
+ port = ntohs (ent->s_port);
+ else
+ port = 2049;
- /* FIXME: Check for nfs in /etc/services */
+ progname = strdup(basename(argv[0]));
+ if (!progname) {
+ fprintf(stderr, "%s: unable to allocate memory.\n", argv[0]);
+ exit(1);
+ }
+
+ xlog_syslog(0);
+ xlog_stderr(1);
- while ((c = getopt(argc, argv, "hp:P:")) != EOF) {
+ while ((c = getopt_long(argc, argv, "dH:hN:p:P:sTU", longopts, NULL)) != EOF) {
switch(c) {
+ case 'd':
+ xlog_config(D_ALL, 1);
+ break;
+ case 'H':
+ if (inet_addr(optarg) != INADDR_NONE) {
+ haddr = strdup(optarg);
+ } else if ((hp = gethostbyname(optarg)) != NULL) {
+ haddr = inet_ntoa((*(struct in_addr*)(hp->h_addr_list[0])));
+ } else {
+ fprintf(stderr, "%s: Unknown hostname: %s\n",
+ progname, optarg);
+ usage(progname);
+ }
+ break;
case 'P': /* XXX for nfs-server compatibility */
case 'p':
port = atoi(optarg);
if (port <= 0 || port > 65535) {
fprintf(stderr, "%s: bad port number: %s\n",
- argv[0], optarg);
- usage(argv [0]);
+ progname, optarg);
+ usage(progname);
+ }
+ break;
+ case 'N':
+ switch((c = strtol(optarg, &p, 0))) {
+ case 4:
+ if (*p == '.') {
+ minorvers4 = -atoi(p + 1);
+ break;
+ }
+ case 3:
+ case 2:
+ NFSCTL_VERUNSET(versbits, c);
+ break;
+ default:
+ fprintf(stderr, "%s: Unsupported version\n", optarg);
+ exit(1);
}
break;
+ case 's':
+ xlog_syslog(1);
+ xlog_stderr(0);
+ break;
+ case 'T':
+ NFSCTL_TCPUNSET(protobits);
+ break;
+ case 'U':
+ NFSCTL_UDPUNSET(protobits);
break;
- case 'h':
default:
- usage(argv[0]);
+ fprintf(stderr, "Invalid argument: '%c'\n", c);
+ case 'h':
+ usage(progname);
}
}
+ xlog_open(progname);
+
+ /*
+ * Do some sanity checking, if the ctlbits are set
+ */
+ if (!NFSCTL_UDPISSET(protobits) && !NFSCTL_TCPISSET(protobits)) {
+ xlog(L_ERROR, "invalid protocol specified");
+ exit(1);
+ }
+ found_one = 0;
+ for (c = NFSD_MINVERS; c <= NFSD_MAXVERS; c++) {
+ if (NFSCTL_VERISSET(versbits, c))
+ found_one = 1;
+ }
+ if (!found_one) {
+ xlog(L_ERROR, "no version specified");
+ exit(1);
+ }
+
+ if (NFSCTL_VERISSET(versbits, 4) && !NFSCTL_TCPISSET(protobits)) {
+ xlog(L_ERROR, "version 4 requires the TCP protocol");
+ exit(1);
+ }
+ if (haddr == NULL) {
+ struct in_addr in = {INADDR_ANY};
+ haddr = strdup(inet_ntoa(in));
+ }
+
+ if (chdir(NFS_STATEDIR)) {
+ xlog(L_ERROR, "chdir(%s) failed: %m", NFS_STATEDIR);
+ exit(1);
+ }
+
if (optind < argc) {
if ((count = atoi(argv[optind])) < 0) {
/* insane # of servers */
- fprintf(stderr,
- "%s: invalid server count (%d), using 1\n",
- argv[0], count);
+ xlog(L_ERROR, "invalid server count (%d), using 1",
+ count);
count = 1;
}
}
+ /* KLUDGE ALERT:
+ Some kernels let nfsd kernel threads inherit open files
+ from the program that spawns them (i.e. us). So close
+ everything before spawning kernel threads. --Chip */
+ fd = open("/dev/null", O_RDWR);
+ if (fd == -1)
+ xlog(L_ERROR, "Unable to open /dev/null: %m");
+ else {
+ /* switch xlog output to syslog since stderr is being closed */
+ xlog_syslog(1);
+ xlog_stderr(0);
+ (void) dup2(fd, 0);
+ (void) dup2(fd, 1);
+ (void) dup2(fd, 2);
+ }
+ closeall(3);
- if ((error = nfssvc(port, count)) < 0)
- perror("nfssvc");
+ if ((error = nfssvc(port, count, versbits, minorvers4, protobits, haddr)) < 0)
+ xlog(L_ERROR, "nfssvc: errno %d (%m)", errno);
+ free(progname);
return (error != 0);
}
static void
usage(const char *prog)
{
- fprintf(stderr, "usage:\n"
- "%s nrservs\n", prog);
+ fprintf(stderr, "Usage:\n"
+ "%s [-d|--debug] [-H hostname] [-p|-P|--port port] [-N|--no-nfs-version version ] [-s|--syslog] [-T|--no-tcp] [-U|--no-udp] nrservs\n",
+ prog);
exit(2);
}
projects / nfs-utils.git / blobdiff