4 Copyright (c) 2000 The Regents of the University of Michigan.
7 Copyright (c) 2000 Dug Song <dugsong@UMICH.EDU>.
8 Copyright (c) 2002 Andy Adamson <andros@UMICH.EDU>.
9 Copyright (c) 2002 Marius Aamodt Eriksen <marius@UMICH.EDU>.
10 Copyright (c) 2002 J. Bruce Fields <bfields@UMICH.EDU>.
11 All rights reserved, all wrongs reversed.
13 Redistribution and use in source and binary forms, with or without
14 modification, are permitted provided that the following conditions
17 1. Redistributions of source code must retain the above copyright
18 notice, this list of conditions and the following disclaimer.
19 2. Redistributions in binary form must reproduce the above copyright
20 notice, this list of conditions and the following disclaimer in the
21 documentation and/or other materials provided with the distribution.
22 3. Neither the name of the University nor the names of its
23 contributors may be used to endorse or promote products derived
24 from this software without specific prior written permission.
26 THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
27 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
28 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
29 DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
33 BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
34 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
35 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
36 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 #endif /* HAVE_CONFIG_H */
44 #include <sys/param.h>
45 #include <sys/types.h>
47 #include <sys/socket.h>
66 * mydaemon creates a pipe between the partent and child
67 * process. The parent process will wait until the
68 * child dies or writes a '1' on the pipe signaling
69 * that it started successfully.
71 int pipefds[2] = { -1, -1};
74 mydaemon(int nochdir, int noclose)
76 int pid, status, tempfd;
78 if (pipe(pipefds) < 0) {
79 printerr(1, "mydaemon: pipe() failed: errno %d (%s)\n",
80 errno, strerror(errno));
83 if ((pid = fork ()) < 0) {
84 printerr(1, "mydaemon: fork() failed: errno %d (%s)\n",
85 errno, strerror(errno));
91 * Parent. Wait for status from child.
94 if (read(pipefds[0], &status, 1) != 1)
102 if (chdir ("/") == -1) {
103 printerr(1, "mydaemon: chdir() failed: errno %d (%s)\n",
104 errno, strerror(errno));
109 while (pipefds[1] <= 2) {
110 pipefds[1] = dup(pipefds[1]);
111 if (pipefds[1] < 0) {
112 printerr(1, "mydaemon: dup() failed: errno %d (%s)\n",
113 errno, strerror(errno));
119 tempfd = open("/dev/null", O_RDWR);
134 if (pipefds[1] > 0) {
135 if (write(pipefds[1], &status, 1) != 1) {
137 "WARN: writing to parent pipe failed: errno %d (%s)\n",
138 errno, strerror(errno));
148 /* destroy krb5 machine creds */
149 printerr(1, "exiting on signal %d\n", signal);
156 /* don't exit on SIGHUP */
157 printerr(1, "Received SIGHUP... Ignoring.\n");
162 usage(char *progname)
164 fprintf(stderr, "usage: %s [-n] [-f] [-v] [-r] [-i]\n",
170 main(int argc, char *argv[])
175 int rpc_verbosity = 0;
176 int idmap_verbosity = 0;
181 while ((opt = getopt(argc, argv, "fivrnp:")) != -1) {
204 if ((progname = strrchr(argv[0], '/')))
209 initerr(progname, verbosity, fg);
210 #ifdef HAVE_AUTHGSS_SET_DEBUG_LEVEL
211 authgss_set_debug_level(rpc_verbosity);
213 if (rpc_verbosity > 0)
214 printerr(0, "Warning: rpcsec_gss library does not "
215 "support setting debug level\n");
217 #ifdef HAVE_NFS4_SET_DEBUG
218 nfs4_set_debug(idmap_verbosity, NULL);
220 if (idmap_verbosity > 0)
221 printerr(0, "Warning: your nfsidmap library does not "
222 "support setting debug level\n");
225 if (gssd_check_mechs() != 0) {
226 printerr(0, "ERROR: Problem with gssapi library\n");
233 signal(SIGINT, sig_die);
234 signal(SIGTERM, sig_die);
235 signal(SIGHUP, sig_hup);
237 if (get_creds && !gssd_acquire_cred(GSSD_SERVICE_NAME)) {
238 printerr(0, "unable to obtain root (machine) credentials\n");
239 printerr(0, "do you have a keytab entry for "
240 "nfs/<your.host>@<YOUR.REALM> in "
241 "/etc/krb5.keytab?\n");
249 printerr(0, "gssd_run returned!\n");