2 Bacula® - The Network Backup Solution
4 Copyright (C) 2000-2008 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 Kern Sibbald.
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
42 #undef _POSIX_C_SOURCE
45 #include "lib/pythonlib.h"
47 /* Imported Functions */
48 extern PyObject *job_getattr(PyObject *self, char *attrname);
49 extern int job_setattr(PyObject *self, char *attrname, PyObject *value);
51 #endif /* HAVE_PYTHON */
53 /* Imported Functions */
54 extern void *handle_client_request(void *dir_sock);
55 extern bool parse_fd_config(CONFIG *config, const char *configfile, int exit_code);
57 /* Forward referenced functions */
58 void terminate_filed(int sig);
59 static bool check_resources();
61 /* Exported variables */
62 CLIENT *me; /* my resource */
63 bool no_signals = false;
66 #define CONFIG_FILE "bacula-fd.conf" /* default config file */
68 char *configfile = NULL;
69 static bool foreground = false;
70 static workq_t dir_workq; /* queue of work from Director */
71 static pthread_t server_tid;
72 static CONFIG *config;
78 "\nVersion: %s (%s)\n\n"
79 "Usage: bacula-fd [-f -s] [-c config_file] [-d debug_level]\n"
80 " -c <file> use <file> as configuration file\n"
81 " -d <nn> set debug level to <nn>\n"
82 " -dt print timestamp in debug output\n"
83 " -f run in foreground (for debugging)\n"
85 " -k keep readall capabilities\n"
86 " -s no signals (for debugging)\n"
87 " -t test configuration file and exit\n"
89 " -v verbose user messages\n"
90 " -? print this message.\n"
91 "\n"), 2000, VERSION, BDATE);
96 /*********************************************************************
98 * Main Bacula Unix Client Program
101 #if defined(HAVE_WIN32)
102 #define main BaculaMain
105 int main (int argc, char *argv[])
108 bool test_config = false;
109 bool keep_readall_caps = false;
113 init_python_interpreter_args python_args;
114 #endif /* HAVE_PYTHON */
116 start_heap = sbrk(0);
117 setlocale(LC_ALL, "");
118 bindtextdomain("bacula", LOCALEDIR);
119 textdomain("bacula");
122 my_name_is(argc, argv, "bacula-fd");
123 init_msg(NULL, NULL);
124 daemon_start_time = time(NULL);
126 while ((ch = getopt(argc, argv, "c:d:fg:kstu:v?")) != -1) {
128 case 'c': /* configuration file */
129 if (configfile != NULL) {
132 configfile = bstrdup(optarg);
135 case 'd': /* debug level */
136 if (*optarg == 't') {
137 dbg_timestamp = true;
139 debug_level = atoi(optarg);
140 if (debug_level <= 0) {
146 case 'f': /* run in foreground */
150 case 'g': /* set group */
155 keep_readall_caps = true;
166 case 'u': /* set userid */
170 case 'v': /* verbose */
184 if (configfile != NULL)
186 configfile = bstrdup(*argv);
194 if (!uid && keep_readall_caps) {
195 Emsg0(M_ERROR, 0, _("-k option has no meaning without -u option.\n"));
199 server_tid = pthread_self();
201 init_signals(terminate_filed);
203 /* This reduces the number of signals facilitating debugging */
204 watchdog_sleep_time = 120; /* long timeout for debugging */
207 if (configfile == NULL) {
208 configfile = bstrdup(CONFIG_FILE);
211 config = new_config_parser();
212 parse_fd_config(config, configfile, M_ERROR_TERM);
214 if (init_crypto() != 0) {
215 Emsg0(M_ERROR, 0, _("Cryptography library initialization failed.\n"));
219 if (!check_resources()) {
220 Emsg1(M_ERROR, 0, _("Please correct configuration file: %s\n"), configfile);
224 set_working_directory(me->working_directory);
232 init_stack_dump(); /* set new pid */
235 /* Maximum 1 daemon at a time */
236 create_pid_file(me->pid_directory, "bacula-fd", get_first_port_host_order(me->FDaddrs));
237 read_state_file(me->working_directory, "bacula-fd", get_first_port_host_order(me->FDaddrs));
239 load_fd_plugins(me->plugin_directory);
241 drop(uid, gid, keep_readall_caps);
248 python_args.progname = me->hdr.name;
249 python_args.scriptdir = me->scripts_directory;
250 python_args.modulename = "FDStartUp";
251 python_args.configfile = configfile;
252 python_args.workingdir = me->working_directory;
253 python_args.job_getattr = job_getattr;
254 python_args.job_setattr = job_setattr;
256 init_python_interpreter(&python_args);
257 #endif /* HAVE_PYTHON */
259 set_thread_concurrency(10);
262 start_watchdog(); /* start watchdog thread */
263 init_jcr_subsystem(); /* start JCR watchdogs etc. */
265 server_tid = pthread_self();
267 /* Become server, and handle requests */
269 foreach_dlist(p, me->FDaddrs) {
270 Dmsg1(10, "filed: listening on port %d\n", p->get_port_host_order());
272 bnet_thread_server(me->FDaddrs, me->MaxConcurrentJobs, &dir_workq, handle_client_request);
275 exit(0); /* should never get here */
278 void terminate_filed(int sig)
280 static bool already_here = false;
283 bmicrosleep(2, 0); /* yield */
284 exit(1); /* prevent loops */
287 debug_level = 0; /* turn off debug */
290 bnet_stop_thread_server(server_tid);
291 generate_daemon_event(NULL, "Exit");
293 write_state_file(me->working_directory, "bacula-fd", get_first_port_host_order(me->FDaddrs));
294 delete_pid_file(me->pid_directory, "bacula-fd", get_first_port_host_order(me->FDaddrs));
296 if (configfile != NULL) {
300 if (debug_level > 0) {
301 print_memory_pool_stats();
304 config->free_resources();
310 close_memory_pool(); /* release free memory in pool */
312 sm_dump(false); /* dump orphaned buffers */
317 * Make a quick check to see that we have all the
320 static bool check_resources()
328 me = (CLIENT *)GetNextRes(R_CLIENT, NULL);
330 Emsg1(M_FATAL, 0, _("No File daemon resource defined in %s\n"
331 "Without that I don't know who I am :-(\n"), configfile);
334 if (GetNextRes(R_CLIENT, (RES *) me) != NULL) {
335 Emsg1(M_FATAL, 0, _("Only one Client resource permitted in %s\n"),
339 my_name_is(0, NULL, me->hdr.name);
341 me->messages = (MSGS *)GetNextRes(R_MSGS, NULL);
343 Emsg1(M_FATAL, 0, _("No Messages resource defined in %s\n"), configfile);
347 /* tls_require implies tls_enable */
348 if (me->tls_require) {
350 Jmsg(NULL, M_FATAL, 0, _("TLS required but not configured in Bacula.\n"));
353 me->tls_enable = true;
356 need_tls = me->tls_enable || me->tls_authenticate;
358 if ((!me->tls_ca_certfile && !me->tls_ca_certdir) && need_tls) {
359 Emsg1(M_FATAL, 0, _("Neither \"TLS CA Certificate\""
360 " or \"TLS CA Certificate Dir\" are defined for File daemon in %s.\n"),
365 /* If everything is well, attempt to initialize our per-resource TLS context */
366 if (OK && (need_tls || me->tls_require)) {
367 /* Initialize TLS context:
368 * Args: CA certfile, CA certdir, Certfile, Keyfile,
369 * Keyfile PEM Callback, Keyfile CB Userdata, DHfile, Verify Peer */
370 me->tls_ctx = new_tls_context(me->tls_ca_certfile,
371 me->tls_ca_certdir, me->tls_certfile, me->tls_keyfile,
372 NULL, NULL, NULL, true);
375 Emsg2(M_FATAL, 0, _("Failed to initialize TLS context for File daemon \"%s\" in %s.\n"),
376 me->hdr.name, configfile);
381 if (me->pki_encrypt || me->pki_sign) {
383 Jmsg(NULL, M_FATAL, 0, _("PKI encryption/signing enabled but not compiled into Bacula.\n"));
388 /* pki_encrypt implies pki_sign */
389 if (me->pki_encrypt) {
393 if ((me->pki_encrypt || me->pki_sign) && !me->pki_keypair_file) {
394 Emsg2(M_FATAL, 0, _("\"PKI Key Pair\" must be defined for File"
395 " daemon \"%s\" in %s if either \"PKI Sign\" or"
396 " \"PKI Encrypt\" are enabled.\n"), me->hdr.name, configfile);
400 /* If everything is well, attempt to initialize our public/private keys */
401 if (OK && (me->pki_encrypt || me->pki_sign)) {
403 /* Load our keypair */
404 me->pki_keypair = crypto_keypair_new();
405 if (!me->pki_keypair) {
406 Emsg0(M_FATAL, 0, _("Failed to allocate a new keypair object.\n"));
409 if (!crypto_keypair_load_cert(me->pki_keypair, me->pki_keypair_file)) {
410 Emsg2(M_FATAL, 0, _("Failed to load public certificate for File"
411 " daemon \"%s\" in %s.\n"), me->hdr.name, configfile);
415 if (!crypto_keypair_load_key(me->pki_keypair, me->pki_keypair_file, NULL, NULL)) {
416 Emsg2(M_FATAL, 0, _("Failed to load private key for File"
417 " daemon \"%s\" in %s.\n"), me->hdr.name, configfile);
423 * Trusted Signers. We're always trusted.
425 me->pki_signers = New(alist(10, not_owned_by_alist));
426 if (me->pki_keypair) {
427 me->pki_signers->append(crypto_keypair_dup(me->pki_keypair));
430 /* If additional signing public keys have been specified, load them up */
431 if (me->pki_signing_key_files) {
432 foreach_alist(filepath, me->pki_signing_key_files) {
433 X509_KEYPAIR *keypair;
435 keypair = crypto_keypair_new();
437 Emsg0(M_FATAL, 0, _("Failed to allocate a new keypair object.\n"));
440 if (crypto_keypair_load_cert(keypair, filepath)) {
441 me->pki_signers->append(keypair);
443 /* Attempt to load a private key, if available */
444 if (crypto_keypair_has_key(filepath)) {
445 if (!crypto_keypair_load_key(keypair, filepath, NULL, NULL)) {
446 Emsg3(M_FATAL, 0, _("Failed to load private key from file %s for File"
447 " daemon \"%s\" in %s.\n"), filepath, me->hdr.name, configfile);
453 Emsg3(M_FATAL, 0, _("Failed to load trusted signer certificate"
454 " from file %s for File daemon \"%s\" in %s.\n"), filepath, me->hdr.name, configfile);
462 * Crypto recipients. We're always included as a recipient.
463 * The symmetric session key will be encrypted for each of these readers.
465 me->pki_recipients = New(alist(10, not_owned_by_alist));
466 if (me->pki_keypair) {
467 me->pki_recipients->append(crypto_keypair_dup(me->pki_keypair));
471 /* If additional keys have been specified, load them up */
472 if (me->pki_master_key_files) {
473 foreach_alist(filepath, me->pki_master_key_files) {
474 X509_KEYPAIR *keypair;
476 keypair = crypto_keypair_new();
478 Emsg0(M_FATAL, 0, _("Failed to allocate a new keypair object.\n"));
481 if (crypto_keypair_load_cert(keypair, filepath)) {
482 me->pki_recipients->append(keypair);
484 Emsg3(M_FATAL, 0, _("Failed to load master key certificate"
485 " from file %s for File daemon \"%s\" in %s.\n"), filepath, me->hdr.name, configfile);
495 /* Verify that a director record exists */
497 director = (DIRRES *)GetNextRes(R_DIRECTOR, NULL);
500 Emsg1(M_FATAL, 0, _("No Director resource defined in %s\n"),
505 foreach_res(director, R_DIRECTOR) {
506 /* tls_require implies tls_enable */
507 if (director->tls_require) {
509 Jmsg(NULL, M_FATAL, 0, _("TLS required but not configured in Bacula.\n"));
513 director->tls_enable = true;
516 need_tls = director->tls_enable || director->tls_authenticate;
518 if (!director->tls_certfile && need_tls) {
519 Emsg2(M_FATAL, 0, _("\"TLS Certificate\" file not defined for Director \"%s\" in %s.\n"),
520 director->hdr.name, configfile);
524 if (!director->tls_keyfile && need_tls) {
525 Emsg2(M_FATAL, 0, _("\"TLS Key\" file not defined for Director \"%s\" in %s.\n"),
526 director->hdr.name, configfile);
530 if ((!director->tls_ca_certfile && !director->tls_ca_certdir) && need_tls && director->tls_verify_peer) {
531 Emsg2(M_FATAL, 0, _("Neither \"TLS CA Certificate\""
532 " or \"TLS CA Certificate Dir\" are defined for Director \"%s\" in %s."
533 " At least one CA certificate store is required"
534 " when using \"TLS Verify Peer\".\n"),
535 director->hdr.name, configfile);
539 /* If everything is well, attempt to initialize our per-resource TLS context */
540 if (OK && (need_tls || director->tls_require)) {
541 /* Initialize TLS context:
542 * Args: CA certfile, CA certdir, Certfile, Keyfile,
543 * Keyfile PEM Callback, Keyfile CB Userdata, DHfile, Verify Peer */
544 director->tls_ctx = new_tls_context(director->tls_ca_certfile,
545 director->tls_ca_certdir, director->tls_certfile,
546 director->tls_keyfile, NULL, NULL, director->tls_dhfile,
547 director->tls_verify_peer);
549 if (!director->tls_ctx) {
550 Emsg2(M_FATAL, 0, _("Failed to initialize TLS context for Director \"%s\" in %s.\n"),
551 director->hdr.name, configfile);
560 close_msg(NULL); /* close temp message handler */
561 init_msg(NULL, me->messages); /* open user specified message handler */