2 * Copyright (C) 1995, 1997-1999 Jeffrey A. Uphoff
3 * Modified by Olaf Kirch, Oct. 1996.
4 * Modified by H.J. Lu, 1998.
5 * Modified by L. Hohberger of Mission Critical Linux, 2000.
18 #include <rpc/pmap_clnt.h>
23 /* Socket operations */
24 #include <sys/types.h>
25 #include <sys/socket.h>
28 short int restart = 0;
29 int run_mode = 0; /* foreground logging mode */
31 /* LH - I had these local to main, but it seemed silly to have
32 * two copies of each - one in main(), one static in log.c...
33 * It also eliminates the 256-char static in log.c */
35 char *version_p = NULL;
37 static struct option longopts[] =
39 { "foreground", 0, 0, 'F' },
40 { "no-syslog", 0, 0, 'd' },
41 { "help", 0, 0, 'h' },
42 { "version", 0, 0, 'v' },
43 { "outgoing-port", 1, 0, 'o' },
44 { "port", 1, 0, 'p' },
45 { "name", 1, 0, 'n' },
49 extern void sm_prog_1 (struct svc_req *, register SVCXPRT *);
50 extern int statd_get_socket(int port);
53 extern void simulator (int, char **);
57 #ifdef HAVE_TCP_WRAPPER
58 #include "tcpwrapper.h"
61 sm_prog_1_wrapper (struct svc_req *rqstp, register SVCXPRT *transp)
63 /* remote host authorization check */
64 if (!check_default("statd", svc_getcaller(transp),
65 rqstp->rq_proc, SM_PROG)) {
66 svcerr_auth (transp, AUTH_FAILED);
70 sm_prog_1 (rqstp, transp);
73 #define sm_prog_1 sm_prog_1_wrapper
82 log (L_FATAL, "Caught signal %d, un-registering and exiting.", sig);
83 pmap_unset (SM_PROG, SM_VERS);
88 * Startup information.
90 static void log_modes(void)
92 char buf[128]; /* watch stack size... */
94 /* No flags = no message */
95 if (!run_mode) return;
98 sprintf(buf,"Flags: ");
99 if (run_mode & MODE_NODAEMON)
100 strcat(buf,"No-Daemon ");
101 if (run_mode & MODE_LOG_STDERR)
102 strcat(buf,"Log-STDERR ");
103 /* future: IP aliasing
104 if (run_mode & MODE_NOTIFY_ONLY)
106 strcat(buf,"Notify-Only ");
109 /* future: IP aliasing
110 if (run_mode & MODE_NOTIFY_ONLY)
112 dprintf(L_DEBUG,"Notify IP: %s",svr_addr);
117 * Since we do more than standard statd stuff, we might need to
118 * help the occasional admin.
123 fprintf(stderr,"usage: %s [options]\n", name_p);
124 fprintf(stderr," -h, -?, --help Print this help screen.\n");
125 fprintf(stderr," -F, --foreground Foreground (no-daemon mode)\n");
126 fprintf(stderr," -d, --no-syslog Verbose logging to stderr. Foreground mode only.\n");
127 fprintf(stderr," -p, --port Port to listen on\n");
128 fprintf(stderr," -o, --outgoing-port Port for outgoing connections\n");
129 fprintf(stderr," -V, -v, --version Display version information and exit.\n");
130 fprintf(stderr," -n, --name Specify a local hostname.\n");
134 * Entry routine/main loop.
136 int main (int argc, char **argv)
141 int port = 0, out_port = 0;
143 /* Default: daemon mode, no other options */
146 /* Set the basename */
147 if ((name_p = strrchr(argv[0],'/')) != NULL) {
153 /* Get the version */
154 if ((version_p = strrchr(VERSION,' ')) != NULL) {
163 /* Process command line switches */
164 while ((arg = getopt_long(argc, argv, "h?vVFdn:p:o:", longopts, NULL)) != EOF) {
166 case 'V': /* Version */
168 printf("%s version %s\n",name_p,version_p);
170 case 'F': /* Foreground/nodaemon mode */
171 run_mode |= MODE_NODAEMON;
173 case 'd': /* No daemon only - log to stderr */
174 run_mode |= MODE_LOG_STDERR;
177 out_port = atoi(optarg);
178 if (out_port < 1 || out_port > 65535) {
179 fprintf(stderr, "%s: bad port number: %s\n",
187 if (port < 1 || port > 65535) {
188 fprintf(stderr, "%s: bad port number: %s\n",
194 case 'n': /* Specify local hostname */
195 MY_NAME = xstrdup(optarg);
197 case '?': /* heeeeeelllllllpppp? heh */
201 default: /* oh dear ... heh */
207 if (port == out_port && port != 0) {
208 fprintf(stderr, "Listening and outgoing ports cannot be the same!\n");
212 if (!(run_mode & MODE_NODAEMON)) {
213 run_mode &= ~MODE_LOG_STDERR; /* Never log to console in
217 log_init (name_p,version_p);
223 /* LH - I _really_ need to update simulator... */
224 simulator (--argc, ++argv); /* simulator() does exit() */
227 if (!(run_mode & MODE_NODAEMON)) {
228 int filedes, fdmax, tempfd;
230 if ((pid = fork ()) < 0) {
231 perror ("Could not fork");
233 } else if (pid != 0) {
241 tempfd = open("/dev/null", O_RDWR);
242 close(0); dup2(tempfd, 0);
243 close(1); dup2(tempfd, 1);
244 close(2); dup2(tempfd, 2);
245 fdmax = sysconf (_SC_OPEN_MAX);
246 for (filedes = 3; filedes < fdmax; filedes++) {
252 signal (SIGHUP, killer);
253 signal (SIGINT, killer);
254 signal (SIGTERM, killer);
255 /* WARNING: the following works on Linux and SysV, but not BSD! */
256 signal(SIGCHLD, SIG_IGN);
258 /* initialize out_port */
259 statd_get_socket(out_port);
262 pmap_unset (SM_PROG, SM_VERS);
264 shuffle_dirs (); /* Move directory names around */
265 notify_hosts (); /* Send out notify requests */
268 /* future: IP aliasing
269 if (!(run_mode & MODE_NOTIFY_ONLY)) {
270 rpc_init("statd", SM_PROG, SM_VERS, sm_prog_1, port);
272 /* this registers both UDP and TCP services */
273 rpc_init("statd", SM_PROG, SM_VERS, sm_prog_1, port);
276 * Handle incoming requests: SM_NOTIFY socket requests, as
277 * well as callbacks from lockd.
279 my_svc_run(); /* I rolled my own, Olaf made it better... */