2 Bacula® - The Network Backup Solution
4 Copyright (C) 2000-2007 Free Software Foundation Europe e.V.
6 The main author of Bacula is Kern Sibbald, with contributions from
7 many others, a complete list can be found in the file AUTHORS.
8 This program is Free Software; you can redistribute it and/or
9 modify it under the terms of version two of the GNU General Public
10 License as published by the Free Software Foundation and included
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
23 Bacula® is a registered trademark of John Walker.
24 The licensor of Bacula is the Free Software Foundation Europe
25 (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
26 Switzerland, email:ftf@fsfeurope.org.
31 * Kern Sibbald, March MM
40 /* Imported Functions */
41 extern void *handle_client_request(void *dir_sock);
43 /* Forward referenced functions */
44 void terminate_filed(int sig);
45 static bool check_resources();
47 /* Exported variables */
48 CLIENT *me; /* my resource */
49 bool no_signals = false;
53 #define CONFIG_FILE "bacula-fd.conf" /* default config file */
55 char *configfile = NULL;
56 static bool foreground = false;
57 static workq_t dir_workq; /* queue of work from Director */
58 static pthread_t server_tid;
65 "\nVersion: %s (%s)\n\n"
66 "Usage: bacula-fd [-f -s] [-c config_file] [-d debug_level]\n"
67 " -c <file> use <file> as configuration file\n"
68 " -d <nn> set debug level to <nn>\n"
69 " -dt print timestamp in debug output\n"
70 " -f run in foreground (for debugging)\n"
72 " -s no signals (for debugging)\n"
73 " -t test configuration file and exit\n"
75 " -v verbose user messages\n"
76 " -? print this message.\n"
77 "\n"), 2000, VERSION, BDATE);
82 /*********************************************************************
84 * Main Bacula Unix Client Program
87 #if defined(HAVE_WIN32)
88 #define main BaculaMain
91 int main (int argc, char *argv[])
94 bool test_config = false;
99 setlocale(LC_ALL, "");
100 bindtextdomain("bacula", LOCALEDIR);
101 textdomain("bacula");
104 my_name_is(argc, argv, "bacula-fd");
105 init_msg(NULL, NULL);
106 daemon_start_time = time(NULL);
108 while ((ch = getopt(argc, argv, "c:d:fg:stu:v?")) != -1) {
110 case 'c': /* configuration file */
111 if (configfile != NULL) {
114 configfile = bstrdup(optarg);
117 case 'd': /* debug level */
118 if (*optarg == 't') {
119 dbg_timestamp = true;
121 debug_level = atoi(optarg);
122 if (debug_level <= 0) {
128 case 'f': /* run in foreground */
132 case 'g': /* set group */
144 case 'u': /* set userid */
148 case 'v': /* verbose */
162 if (configfile != NULL)
164 configfile = bstrdup(*argv);
172 server_tid = pthread_self();
174 init_signals(terminate_filed);
176 /* This reduces the number of signals facilitating debugging */
177 watchdog_sleep_time = 120; /* long timeout for debugging */
180 if (configfile == NULL) {
181 configfile = bstrdup(CONFIG_FILE);
184 parse_config(configfile);
186 if (init_crypto() != 0) {
187 Emsg0(M_ERROR, 0, _("Cryptography library initialization failed.\n"));
191 if (!check_resources()) {
192 Emsg1(M_ERROR, 0, _("Please correct configuration file: %s\n"), configfile);
196 set_working_directory(me->working_directory);
204 init_stack_dump(); /* set new pid */
207 /* Maximum 1 daemon at a time */
208 create_pid_file(me->pid_directory, "bacula-fd", get_first_port_host_order(me->FDaddrs));
209 read_state_file(me->working_directory, "bacula-fd", get_first_port_host_order(me->FDaddrs));
217 init_python_interpreter(me->hdr.name, me->scripts_directory, "FDStartUp");
219 set_thread_concurrency(10);
222 start_watchdog(); /* start watchdog thread */
223 init_jcr_subsystem(); /* start JCR watchdogs etc. */
225 server_tid = pthread_self();
227 /* Become server, and handle requests */
229 foreach_dlist(p, me->FDaddrs) {
230 Dmsg1(10, "filed: listening on port %d\n", p->get_port_host_order());
232 bnet_thread_server(me->FDaddrs, me->MaxConcurrentJobs, &dir_workq, handle_client_request);
235 exit(0); /* should never get here */
238 void terminate_filed(int sig)
240 static bool already_here = false;
243 bmicrosleep(2, 0); /* yield */
244 exit(1); /* prevent loops */
249 bnet_stop_thread_server(server_tid);
250 generate_daemon_event(NULL, "Exit");
251 write_state_file(me->working_directory, "bacula-fd", get_first_port_host_order(me->FDaddrs));
252 delete_pid_file(me->pid_directory, "bacula-fd", get_first_port_host_order(me->FDaddrs));
254 if (configfile != NULL) {
258 if (debug_level > 0) {
259 print_memory_pool_stats();
262 free_config_resources();
264 close_memory_pool(); /* release free memory in pool */
265 sm_dump(false); /* dump orphaned buffers */
270 * Make a quick check to see that we have all the
273 static bool check_resources()
280 me = (CLIENT *)GetNextRes(R_CLIENT, NULL);
282 Emsg1(M_FATAL, 0, _("No File daemon resource defined in %s\n"
283 "Without that I don't know who I am :-(\n"), configfile);
286 if (GetNextRes(R_CLIENT, (RES *) me) != NULL) {
287 Emsg1(M_FATAL, 0, _("Only one Client resource permitted in %s\n"),
291 my_name_is(0, NULL, me->hdr.name);
293 me->messages = (MSGS *)GetNextRes(R_MSGS, NULL);
295 Emsg1(M_FATAL, 0, _("No Messages resource defined in %s\n"), configfile);
299 /* tls_require implies tls_enable */
300 if (me->tls_require) {
302 Jmsg(NULL, M_FATAL, 0, _("TLS required but not configured in Bacula.\n"));
305 me->tls_enable = true;
309 if ((!me->tls_ca_certfile && !me->tls_ca_certdir) && me->tls_enable) {
310 Emsg1(M_FATAL, 0, _("Neither \"TLS CA Certificate\""
311 " or \"TLS CA Certificate Dir\" are defined for File daemon in %s.\n"),
316 /* If everything is well, attempt to initialize our per-resource TLS context */
317 if (OK && (me->tls_enable || me->tls_require)) {
318 /* Initialize TLS context:
319 * Args: CA certfile, CA certdir, Certfile, Keyfile,
320 * Keyfile PEM Callback, Keyfile CB Userdata, DHfile, Verify Peer */
321 me->tls_ctx = new_tls_context(me->tls_ca_certfile,
322 me->tls_ca_certdir, me->tls_certfile, me->tls_keyfile,
323 NULL, NULL, NULL, true);
326 Emsg2(M_FATAL, 0, _("Failed to initialize TLS context for File daemon \"%s\" in %s.\n"),
327 me->hdr.name, configfile);
332 if (me->pki_encrypt || me->pki_sign) {
334 Jmsg(NULL, M_FATAL, 0, _("PKI encryption/signing enabled but not compiled into Bacula.\n"));
339 /* pki_encrypt implies pki_sign */
340 if (me->pki_encrypt) {
344 if ((me->pki_encrypt || me->pki_sign) && !me->pki_keypair_file) {
345 Emsg2(M_FATAL, 0, _("\"PKI Key Pair\" must be defined for File"
346 " daemon \"%s\" in %s if either \"PKI Sign\" or"
347 " \"PKI Encrypt\" are enabled.\n"), me->hdr.name, configfile);
351 /* If everything is well, attempt to initialize our public/private keys */
352 if (OK && (me->pki_encrypt || me->pki_sign)) {
354 /* Load our keypair */
355 me->pki_keypair = crypto_keypair_new();
356 if (!me->pki_keypair) {
357 Emsg0(M_FATAL, 0, _("Failed to allocate a new keypair object.\n"));
360 if (!crypto_keypair_load_cert(me->pki_keypair, me->pki_keypair_file)) {
361 Emsg2(M_FATAL, 0, _("Failed to load public certificate for File"
362 " daemon \"%s\" in %s.\n"), me->hdr.name, configfile);
366 if (!crypto_keypair_load_key(me->pki_keypair, me->pki_keypair_file, NULL, NULL)) {
367 Emsg2(M_FATAL, 0, _("Failed to load private key for File"
368 " daemon \"%s\" in %s.\n"), me->hdr.name, configfile);
374 * Trusted Signers. We're always trusted.
376 me->pki_signers = New(alist(10, not_owned_by_alist));
377 if (me->pki_keypair) {
378 me->pki_signers->append(crypto_keypair_dup(me->pki_keypair));
381 /* If additional signing public keys have been specified, load them up */
382 if (me->pki_signing_key_files) {
383 foreach_alist(filepath, me->pki_signing_key_files) {
384 X509_KEYPAIR *keypair;
386 keypair = crypto_keypair_new();
388 Emsg0(M_FATAL, 0, _("Failed to allocate a new keypair object.\n"));
391 if (crypto_keypair_load_cert(keypair, filepath)) {
392 me->pki_signers->append(keypair);
394 /* Attempt to load a private key, if available */
395 if (crypto_keypair_has_key(filepath)) {
396 if (!crypto_keypair_load_key(keypair, filepath, NULL, NULL)) {
397 Emsg3(M_FATAL, 0, _("Failed to load private key from file %s for File"
398 " daemon \"%s\" in %s.\n"), filepath, me->hdr.name, configfile);
404 Emsg3(M_FATAL, 0, _("Failed to load trusted signer certificate"
405 " from file %s for File daemon \"%s\" in %s.\n"), filepath, me->hdr.name, configfile);
413 * Crypto recipients. We're always included as a recipient.
414 * The symmetric session key will be encrypted for each of these readers.
416 me->pki_recipients = New(alist(10, not_owned_by_alist));
417 if (me->pki_keypair) {
418 me->pki_recipients->append(crypto_keypair_dup(me->pki_keypair));
422 /* If additional keys have been specified, load them up */
423 if (me->pki_master_key_files) {
424 foreach_alist(filepath, me->pki_master_key_files) {
425 X509_KEYPAIR *keypair;
427 keypair = crypto_keypair_new();
429 Emsg0(M_FATAL, 0, _("Failed to allocate a new keypair object.\n"));
432 if (crypto_keypair_load_cert(keypair, filepath)) {
433 me->pki_recipients->append(keypair);
435 Emsg3(M_FATAL, 0, _("Failed to load master key certificate"
436 " from file %s for File daemon \"%s\" in %s.\n"), filepath, me->hdr.name, configfile);
446 /* Verify that a director record exists */
448 director = (DIRRES *)GetNextRes(R_DIRECTOR, NULL);
451 Emsg1(M_FATAL, 0, _("No Director resource defined in %s\n"),
456 foreach_res(director, R_DIRECTOR) {
457 /* tls_require implies tls_enable */
458 if (director->tls_require) {
460 Jmsg(NULL, M_FATAL, 0, _("TLS required but not configured in Bacula.\n"));
464 director->tls_enable = true;
468 if (!director->tls_certfile && director->tls_enable) {
469 Emsg2(M_FATAL, 0, _("\"TLS Certificate\" file not defined for Director \"%s\" in %s.\n"),
470 director->hdr.name, configfile);
474 if (!director->tls_keyfile && director->tls_enable) {
475 Emsg2(M_FATAL, 0, _("\"TLS Key\" file not defined for Director \"%s\" in %s.\n"),
476 director->hdr.name, configfile);
480 if ((!director->tls_ca_certfile && !director->tls_ca_certdir) && director->tls_enable && director->tls_verify_peer) {
481 Emsg2(M_FATAL, 0, _("Neither \"TLS CA Certificate\""
482 " or \"TLS CA Certificate Dir\" are defined for Director \"%s\" in %s."
483 " At least one CA certificate store is required"
484 " when using \"TLS Verify Peer\".\n"),
485 director->hdr.name, configfile);
489 /* If everything is well, attempt to initialize our per-resource TLS context */
490 if (OK && (director->tls_enable || director->tls_require)) {
491 /* Initialize TLS context:
492 * Args: CA certfile, CA certdir, Certfile, Keyfile,
493 * Keyfile PEM Callback, Keyfile CB Userdata, DHfile, Verify Peer */
494 director->tls_ctx = new_tls_context(director->tls_ca_certfile,
495 director->tls_ca_certdir, director->tls_certfile,
496 director->tls_keyfile, NULL, NULL, director->tls_dhfile,
497 director->tls_verify_peer);
499 if (!director->tls_ctx) {
500 Emsg2(M_FATAL, 0, _("Failed to initialize TLS context for Director \"%s\" in %s.\n"),
501 director->hdr.name, configfile);
510 close_msg(NULL); /* close temp message handler */
511 init_msg(NULL, me->messages); /* open user specified message handler */