asterisk.c

   1 /*
   2  * Asterisk -- A telephony toolkit for Linux.
   3  *
   4  * Top level source file for asterisk
   5  *
   6  * Copyright (C) 1999, Mark Spencer
   7  *
   8  * Mark Spencer <markster@linux-support.net>
   9  *
  10  * This program is free software, distributed under the terms of
  11  * the GNU General Public License
  12  */
  13
  14 #include <unistd.h>
  15 #include <stdlib.h>
  16 #include <asterisk/logger.h>
  17 #include <asterisk/options.h>
  18 #include <asterisk/cli.h>
  19 #include <asterisk/channel.h>
  20 #include <asterisk/ulaw.h>
  21 #include <asterisk/alaw.h>
  22 #include <asterisk/callerid.h>
  23 #include <asterisk/module.h>
  24 #include <asterisk/image.h>
  25 #include <asterisk/tdd.h>
  26 #include <asterisk/term.h>
  27 #include <asterisk/manager.h>
  28 #include <asterisk/pbx.h>
  29 #include <asterisk/enum.h>
  30 #include <sys/resource.h>
  31 #include <fcntl.h>
  32 #include <stdio.h>
  33 #include <signal.h>
  34 #include <sched.h>
  35 #include <asterisk/io.h>
  36 #include <pthread.h>
  37 #include <sys/socket.h>
  38 #include <sys/un.h>
  39 #include <sys/select.h>
  40 #include <string.h>
  41 #include <errno.h>
  42 #include <ctype.h>
  43 #include "editline/histedit.h"
  44 #include "asterisk.h"
  45 #include <asterisk/config.h>
  46
  47 #define AST_MAX_CONNECTS 128
  48 #define NUM_MSGS 64
  49
  50 int option_verbose=0;
  51 int option_debug=0;
  52 int option_nofork=0;
  53 int option_quiet=0;
  54 int option_console=0;
  55 int option_highpriority=0;
  56 int option_remote=0;
  57 int option_exec=0;
  58 int option_initcrypto=0;
  59 int option_nocolor;
  60 int option_dumpcore = 0;
  61 int option_overrideconfig = 0;
  62 int fully_booted = 0;
  63
  64 static int ast_socket = -1;             /* UNIX Socket for allowing remote control */
  65 static int ast_consock = -1;            /* UNIX Socket for controlling another asterisk */
  66 static int mainpid;
  67 struct console {
  68         int fd;                                 /* File descriptor */
  69         int p[2];                               /* Pipe */
  70         pthread_t t;                    /* Thread of handler */
  71 };
  72
  73 time_t ast_startuptime;
  74 time_t ast_lastreloadtime;
  75
  76 static History *el_hist = NULL;
  77 static EditLine *el = NULL;
  78 static char *remotehostname;
  79
  80 struct console consoles[AST_MAX_CONNECTS];
  81
  82 char defaultlanguage[MAX_LANGUAGE] = DEFAULT_LANGUAGE;
  83
  84 static int ast_el_add_history(char *);
  85 static int ast_el_read_history(char *);
  86 static int ast_el_write_history(char *);
  87
  88 char ast_config_AST_CONFIG_DIR[AST_CONFIG_MAX_PATH];
  89 char ast_config_AST_CONFIG_FILE[AST_CONFIG_MAX_PATH];
  90 char ast_config_AST_MODULE_DIR[AST_CONFIG_MAX_PATH];
  91 char ast_config_AST_SPOOL_DIR[AST_CONFIG_MAX_PATH];
  92 char ast_config_AST_VAR_DIR[AST_CONFIG_MAX_PATH];
  93 char ast_config_AST_LOG_DIR[AST_CONFIG_MAX_PATH];
  94 char ast_config_AST_AGI_DIR[AST_CONFIG_MAX_PATH];
  95 char ast_config_AST_DB[AST_CONFIG_MAX_PATH];
  96 char ast_config_AST_KEY_DIR[AST_CONFIG_MAX_PATH];
  97 char ast_config_AST_PID[AST_CONFIG_MAX_PATH];
  98 char ast_config_AST_SOCKET[AST_CONFIG_MAX_PATH];
  99 char ast_config_AST_RUN_DIR[AST_CONFIG_MAX_PATH];
 100
 101 static int fdprint(int fd, const char *s)
 102 {
 103         return write(fd, s, strlen(s) + 1);
 104 }
 105
 106 static void network_verboser(const char *s, int pos, int replace, int complete)
 107 {
 108         int x;
 109         for (x=0;x<AST_MAX_CONNECTS; x++) {
 110                 if (consoles[x].fd > -1)
 111                         fdprint(consoles[x].p[1], s);
 112         }
 113 }
 114
 115 static pthread_t lthread;
 116
 117 static void *netconsole(void *vconsole)
 118 {
 119         struct console *con = vconsole;
 120         char hostname[256];
 121         char tmp[512];
 122         int res;
 123         int max;
 124         fd_set rfds;
 125
 126         if (gethostname(hostname, sizeof(hostname)))
 127                 strncpy(hostname, "<Unknown>", sizeof(hostname)-1);
 128         snprintf(tmp, sizeof(tmp), "%s/%d/%s\n", hostname, mainpid, ASTERISK_VERSION);
 129         fdprint(con->fd, tmp);
 130         for(;;) {
 131                 FD_ZERO(&rfds);
 132                 FD_SET(con->fd, &rfds);
 133                 FD_SET(con->p[0], &rfds);
 134                 max = con->fd;
 135                 if (con->p[0] > max)
 136                         max = con->p[0];
 137                 res = ast_select(max + 1, &rfds, NULL, NULL, NULL);
 138                 if (res < 0) {
 139                         ast_log(LOG_WARNING, "select returned < 0: %s\n", strerror(errno));
 140                         continue;
 141                 }
 142                 if (FD_ISSET(con->fd, &rfds)) {
 143                         res = read(con->fd, tmp, sizeof(tmp));
 144                         if (res < 1) {
 145                                 break;
 146                         }
 147                         tmp[res] = 0;
 148                         ast_cli_command(con->fd, tmp);
 149                 }
 150                 if (FD_ISSET(con->p[0], &rfds)) {
 151                         res = read(con->p[0], tmp, sizeof(tmp));
 152                         if (res < 1) {
 153                                 ast_log(LOG_ERROR, "read returned %d\n", res);
 154                                 break;
 155                         }
 156                         res = write(con->fd, tmp, res);
 157                         if (res < 1)
 158                                 break;
 159                 }
 160         }
 161         if (option_verbose > 2)
 162                 ast_verbose(VERBOSE_PREFIX_3 "Remote UNIX connection disconnected\n");
 163         close(con->fd);
 164         close(con->p[0]);
 165         close(con->p[1]);
 166         con->fd = -1;
 167
 168         return NULL;
 169 }
 170
 171 static void *listener(void *unused)
 172 {
 173         struct sockaddr_un sun;
 174         int s;
 175         int len;
 176         int x;
 177         int flags;
 178         pthread_attr_t attr;
 179         pthread_attr_init(&attr);
 180         pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
 181         for(;;) {
 182                 if (ast_socket < 0)
 183                         return NULL;
 184                 len = sizeof(sun);
 185                 s = accept(ast_socket, (struct sockaddr *)&sun, &len);
 186                 if (s < 0) {
 187                         ast_log(LOG_WARNING, "Accept retured %d: %s\n", s, strerror(errno));
 188                 } else {
 189                         for (x=0;x<AST_MAX_CONNECTS;x++) {
 190                                 if (consoles[x].fd < 0) {
 191                                         if (socketpair(AF_LOCAL, SOCK_STREAM, 0, consoles[x].p)) {
 192                                                 ast_log(LOG_ERROR, "Unable to create pipe: %s\n", strerror(errno));
 193                                                 consoles[x].fd = -1;
 194                                                 fdprint(s, "Server failed to create pipe\n");
 195                                                 close(s);
 196                                                 break;
 197                                         }
 198                                         flags = fcntl(consoles[x].p[1], F_GETFL);
 199                                         fcntl(consoles[x].p[1], F_SETFL, flags | O_NONBLOCK);
 200                                         consoles[x].fd = s;
 201                                         if (pthread_create(&consoles[x].t, &attr, netconsole, &consoles[x])) {
 202                                                 ast_log(LOG_ERROR, "Unable to spawn thread to handle connection\n");
 203                                                 consoles[x].fd = -1;
 204                                                 fdprint(s, "Server failed to spawn thread\n");
 205                                                 close(s);
 206                                         }
 207                                         break;
 208                                 }
 209                         }
 210                         if (x >= AST_MAX_CONNECTS) {
 211                                 fdprint(s, "No more connections allowed\n");
 212                                 ast_log(LOG_WARNING, "No more connections allowed\n");
 213                                 close(s);
 214                         } else if (consoles[x].fd > -1) {
 215                                 if (option_verbose > 2)
 216                                         ast_verbose(VERBOSE_PREFIX_3 "Remote UNIX connection\n");
 217                         }
 218                 }
 219         }
 220         return NULL;
 221 }
 222
 223 static int ast_makesocket(void)
 224 {
 225         struct sockaddr_un sun;
 226         int res;
 227         int x;
 228         for (x=0;x<AST_MAX_CONNECTS;x++)
 229                 consoles[x].fd = -1;
 230         unlink((char *)ast_config_AST_SOCKET);
 231         ast_socket = socket(PF_LOCAL, SOCK_STREAM, 0);
 232         if (ast_socket < 0) {
 233                 ast_log(LOG_WARNING, "Unable to create control socket: %s\n", strerror(errno));
 234                 return -1;
 235         }
 236         memset(&sun, 0, sizeof(sun));
 237         sun.sun_family = AF_LOCAL;
 238         strncpy(sun.sun_path, (char *)ast_config_AST_SOCKET, sizeof(sun.sun_path)-1);
 239         res = bind(ast_socket, (struct sockaddr *)&sun, sizeof(sun));
 240         if (res) {
 241                 ast_log(LOG_WARNING, "Unable to bind socket to %s: %s\n", (char *)ast_config_AST_SOCKET, strerror(errno));
 242                 close(ast_socket);
 243                 ast_socket = -1;
 244                 return -1;
 245         }
 246         res = listen(ast_socket, 2);
 247         if (res < 0) {
 248                 ast_log(LOG_WARNING, "Unable to listen on socket %s: %s\n", (char *)ast_config_AST_SOCKET, strerror(errno));
 249                 close(ast_socket);
 250                 ast_socket = -1;
 251                 return -1;
 252         }
 253         ast_register_verbose(network_verboser);
 254         pthread_create(&lthread, NULL, listener, NULL);
 255         return 0;
 256 }
 257
 258 static int ast_tryconnect(void)
 259 {
 260         struct sockaddr_un sun;
 261         int res;
 262         ast_consock = socket(PF_LOCAL, SOCK_STREAM, 0);
 263         if (ast_consock < 0) {
 264                 ast_log(LOG_WARNING, "Unable to create socket: %s\n", strerror(errno));
 265                 return 0;
 266         }
 267         memset(&sun, 0, sizeof(sun));
 268         sun.sun_family = AF_LOCAL;
 269         strncpy(sun.sun_path, (char *)ast_config_AST_SOCKET, sizeof(sun.sun_path)-1);
 270         res = connect(ast_consock, (struct sockaddr *)&sun, sizeof(sun));
 271         if (res) {
 272                 close(ast_consock);
 273                 ast_consock = -1;
 274                 return 0;
 275         } else
 276                 return 1;
 277 }
 278
 279 static void urg_handler(int num)
 280 {
 281         /* Called by soft_hangup to interrupt the select, read, or other
 282            system call.  We don't actually need to do anything though.  */
 283         if (option_debug)
 284                 ast_log(LOG_DEBUG, "Urgent handler\n");
 285         signal(num, urg_handler);
 286         return;
 287 }
 288
 289 static void hup_handler(int num)
 290 {
 291         if (option_verbose > 1)
 292                 ast_verbose(VERBOSE_PREFIX_2 "Received HUP signal -- Reloading configs\n");
 293         ast_module_reload();
 294 }
 295
 296
 297 static void pipe_handler(int num)
 298 {
 299         /* Ignore sigpipe */
 300 }
 301 static void set_title(char *text)
 302 {
 303         /* Set an X-term or screen title */
 304         if (getenv("TERM") && strstr(getenv("TERM"), "xterm"))
 305                 fprintf(stdout, "\033]2;%s\007", text);
 306 }
 307
 308 static void set_icon(char *text)
 309 {
 310         if (getenv("TERM") && strstr(getenv("TERM"), "xterm"))
 311                 fprintf(stdout, "\033]1;%s\007", text);
 312 }
 313
 314 static int set_priority(int pri)
 315 {
 316         struct sched_param sched;
 317         memset(&sched, 0, sizeof(sched));
 318         /* We set ourselves to a high priority, that we might pre-empt everything
 319            else.  If your PBX has heavy activity on it, this is a good thing.  */
 320 #ifdef __linux__
 321         if (pri) {
 322                 sched.sched_priority = 10;
 323                 if (sched_setscheduler(0, SCHED_RR, &sched)) {
 324                         ast_log(LOG_WARNING, "Unable to set high priority\n");
 325                         return -1;
 326                 } else
 327                         if (option_verbose)
 328                                 ast_verbose("Set to realtime thread\n");
 329         } else {
 330                 sched.sched_priority = 0;
 331                 if (sched_setscheduler(0, SCHED_OTHER, &sched)) {
 332                         ast_log(LOG_WARNING, "Unable to set normal priority\n");
 333                         return -1;
 334                 }
 335         }
 336 #else
 337         if (pri) {
 338                 if (setpriority(PRIO_PROCESS, 0, -10) == -1) {
 339                         ast_log(LOG_WARNING, "Unable to set high priority\n");
 340                         return -1;
 341                 } else
 342                         if (option_verbose)
 343                                 ast_verbose("Set to high priority\n");
 344         } else {
 345                 if (setpriority(PRIO_PROCESS, 0, 0) == -1) {
 346                         ast_log(LOG_WARNING, "Unable to set normal priority\n");
 347                         return -1;
 348                 }
 349         }
 350 #endif
 351         return 0;
 352 }
 353
 354 static char *_argv[256];
 355
 356 static int shuttingdown = 0;
 357
 358 static void quit_handler(int num, int nice, int safeshutdown, int restart)
 359 {
 360         char filename[80] = "";
 361         time_t s,e;
 362         int x;
 363         if (safeshutdown) {
 364                 shuttingdown = 1;
 365                 if (!nice) {
 366                         /* Begin shutdown routine, hanging up active channels */
 367                         ast_begin_shutdown(1);
 368                         if (option_verbose && option_console)
 369                                 ast_verbose("Beginning asterisk %s....\n", restart ? "restart" : "shutdown");
 370                         time(&s);
 371                         for(;;) {
 372                                 time(&e);
 373                                 /* Wait up to 15 seconds for all channels to go away */
 374                                 if ((e - s) > 15)
 375                                         break;
 376                                 if (!ast_active_channels())
 377                                         break;
 378                                 if (!shuttingdown)
 379                                         break;
 380                                 /* Sleep 1/10 of a second */
 381                                 usleep(100000);
 382                         }
 383                 } else {
 384                         if (nice < 2)
 385                                 ast_begin_shutdown(0);
 386                         if (option_verbose && option_console)
 387                                 ast_verbose("Waiting for inactivity to perform %s...\n", restart ? "restart" : "halt");
 388                         for(;;) {
 389                                 if (!ast_active_channels())
 390                                         break;
 391                                 if (!shuttingdown)
 392                                         break;
 393                                 sleep(1);
 394                         }
 395                 }
 396
 397                 if (!shuttingdown) {
 398                         if (option_verbose && option_console)
 399                                 ast_verbose("Asterisk %s cancelled.\n", restart ? "restart" : "shutdown");
 400                         return;
 401                 }
 402         }
 403         if (option_console || option_remote) {
 404                 if (getenv("HOME"))
 405                         snprintf(filename, sizeof(filename), "%s/.asterisk_history", getenv("HOME"));
 406                 if (strlen(filename))
 407                         ast_el_write_history(filename);
 408                 if (el != NULL)
 409                         el_end(el);
 410                 if (el_hist != NULL)
 411                         history_end(el_hist);
 412         }
 413         /* Called on exit */
 414         if (option_verbose && option_console)
 415                 ast_verbose("Asterisk %s ending (%d).\n", ast_active_channels() ? "uncleanly" : "cleanly", num);
 416         else if (option_debug)
 417                 ast_log(LOG_DEBUG, "Asterisk ending (%d).\n", num);
 418         manager_event(EVENT_FLAG_SYSTEM, "Shutdown", "Shutdown: %s\r\nRestart: %s\r\n", ast_active_channels() ? "Uncleanly" : "Cleanly", restart ? "True" : "False");
 419         if (ast_socket > -1) {
 420                 close(ast_socket);
 421                 ast_socket = -1;
 422         }
 423         if (ast_consock > -1)
 424                 close(ast_consock);
 425         if (ast_socket > -1)
 426                 unlink((char *)ast_config_AST_SOCKET);
 427         unlink((char *)ast_config_AST_PID);
 428         printf(term_quit());
 429         if (restart) {
 430                 if (option_verbose || option_console)
 431                         ast_verbose("Preparing for Asterisk restart...\n");
 432                 /* Mark all FD's for closing on exec */
 433                 for (x=3;x<32768;x++) {
 434                         fcntl(x, F_SETFD, FD_CLOEXEC);
 435                 }
 436                 if (option_verbose || option_console)
 437                         ast_verbose("Restarting Asterisk NOW...\n");
 438                 execvp(_argv[0], _argv);
 439         } else
 440                 exit(0);
 441 }
 442
 443 static void __quit_handler(int num)
 444 {
 445         quit_handler(num, 0, 1, 0);
 446 }
 447
 448 static pthread_t consolethread = -1;
 449
 450 static int fix_header(char *outbuf, int maxout, char **s, char *cmp)
 451 {
 452         if (!strncmp(*s, cmp, strlen(cmp))) {
 453                 *s += strlen(cmp);
 454                 term_color(outbuf, cmp, COLOR_GRAY, 0, maxout);
 455                 return 1;
 456         }
 457         return 0;
 458 }
 459
 460 static void console_verboser(const char *s, int pos, int replace, int complete)
 461 {
 462         char tmp[80];
 463         /* Return to the beginning of the line */
 464         if (!pos) {
 465                 fprintf(stdout, "\r");
 466                 if (fix_header(tmp, sizeof(tmp), &s, VERBOSE_PREFIX_4) ||
 467                         fix_header(tmp, sizeof(tmp), &s, VERBOSE_PREFIX_3) ||
 468                         fix_header(tmp, sizeof(tmp), &s, VERBOSE_PREFIX_2) ||
 469                         fix_header(tmp, sizeof(tmp), &s, VERBOSE_PREFIX_1))
 470                         fputs(tmp, stdout);
 471         }
 472         fputs(s + pos,stdout);
 473         fflush(stdout);
 474         if (complete)
 475         /* Wake up a select()ing console */
 476                 if (consolethread > -1)
 477                         pthread_kill(consolethread, SIGURG);
 478 }
 479
 480 static void consolehandler(char *s)
 481 {
 482         printf(term_end());
 483         fflush(stdout);
 484         /* Called when readline data is available */
 485         if (s && strlen(s))
 486                 ast_el_add_history(s);
 487         /* Give the console access to the shell */
 488         if (s) {
 489                 if (s[0] == '!') {
 490                         if (s[1])
 491                                 system(s+1);
 492                         else
 493                                 system(getenv("SHELL") ? getenv("SHELL") : "/bin/sh");
 494                 } else
 495                 ast_cli_command(STDOUT_FILENO, s);
 496                 if (!strcasecmp(s, "help"))
 497                         fprintf(stdout, "          !<command>   Executes a given shell command\n");
 498         } else
 499                 fprintf(stdout, "\nUse \"quit\" to exit\n");
 500 }
 501
 502 static int remoteconsolehandler(char *s)
 503 {
 504         int ret = 0;
 505         /* Called when readline data is available */
 506         if (s && strlen(s))
 507                 ast_el_add_history(s);
 508         /* Give the console access to the shell */
 509         if (s) {
 510                 if (s[0] == '!') {
 511                         if (s[1])
 512                                 system(s+1);
 513                         else
 514                                 system(getenv("SHELL") ? getenv("SHELL") : "/bin/sh");
 515                         ret = 1;
 516                 }
 517                 if (!strcasecmp(s, "help")) {
 518                         fprintf(stdout, "          !<command>   Executes a given shell command\n");
 519                         ret = 0;
 520                 }
 521                 if (!strcasecmp(s, "quit")) {
 522                         quit_handler(0, 0, 0, 0);
 523                         ret = 1;
 524                 }
 525                 if (!strcasecmp(s, "exit")) {
 526                         quit_handler(0, 0, 0, 0);
 527                         ret = 1;
 528                 }
 529         } else
 530                 fprintf(stdout, "\nUse \"quit\" to exit\n");
 531
 532         return ret;
 533 }
 534
 535 static char quit_help[] =
 536 "Usage: quit\n"
 537 "       Exits Asterisk.\n";
 538
 539 static char abort_halt_help[] =
 540 "Usage: abort shutdown\n"
 541 "       Causes Asterisk to abort an executing shutdown or restart, and resume normal\n"
 542 "       call operations.\n";
 543
 544 static char shutdown_now_help[] =
 545 "Usage: stop now\n"
 546 "       Shuts down a running Asterisk immediately, hanging up all active calls .\n";
 547
 548 static char shutdown_gracefully_help[] =
 549 "Usage: stop gracefully\n"
 550 "       Causes Asterisk to not accept new calls, and exit when all\n"
 551 "       active calls have terminated normally.\n";
 552
 553 static char shutdown_when_convenient_help[] =
 554 "Usage: stop when convenient\n"
 555 "       Causes Asterisk to perform a shutdown when all active calls have ended.\n";
 556
 557 static char restart_now_help[] =
 558 "Usage: restart now\n"
 559 "       Causes Asterisk to hangup all calls and exec() itself performing a cold.\n"
 560 "       restart.\n";
 561
 562 static char restart_gracefully_help[] =
 563 "Usage: restart gracefully\n"
 564 "       Causes Asterisk to stop accepting new calls and exec() itself performing a cold.\n"
 565 "       restart when all active calls have ended.\n";
 566
 567 static char restart_when_convenient_help[] =
 568 "Usage: restart when convenient\n"
 569 "       Causes Asterisk to perform a cold restart when all active calls have ended.\n";
 570
 571 #if 0
 572 static int handle_quit(int fd, int argc, char *argv[])
 573 {
 574         if (argc != 1)
 575                 return RESULT_SHOWUSAGE;
 576         quit_handler(0, 0, 1, 0);
 577         return RESULT_SUCCESS;
 578 }
 579 #endif
 580
 581 static int no_more_quit(int fd, int argc, char *argv[])
 582 {
 583         if (argc != 1)
 584                 return RESULT_SHOWUSAGE;
 585         ast_cli(fd, "The QUIT and EXIT commands may no longer be used to shutdown the PBX.\n"
 586                     "Please use STOP NOW instead, if you wish to shutdown the PBX.\n");
 587         return RESULT_SUCCESS;
 588 }
 589
 590 static int handle_shutdown_now(int fd, int argc, char *argv[])
 591 {
 592         if (argc != 2)
 593                 return RESULT_SHOWUSAGE;
 594         quit_handler(0, 0 /* Not nice */, 1 /* safely */, 0 /* not restart */);
 595         return RESULT_SUCCESS;
 596 }
 597
 598 static int handle_shutdown_gracefully(int fd, int argc, char *argv[])
 599 {
 600         if (argc != 2)
 601                 return RESULT_SHOWUSAGE;
 602         quit_handler(0, 1 /* nicely */, 1 /* safely */, 0 /* no restart */);
 603         return RESULT_SUCCESS;
 604 }
 605
 606 static int handle_shutdown_when_convenient(int fd, int argc, char *argv[])
 607 {
 608         if (argc != 3)
 609                 return RESULT_SHOWUSAGE;
 610         quit_handler(0, 2 /* really nicely */, 1 /* safely */, 0 /* don't restart */);
 611         return RESULT_SUCCESS;
 612 }
 613
 614 static int handle_restart_now(int fd, int argc, char *argv[])
 615 {
 616         if (argc != 2)
 617                 return RESULT_SHOWUSAGE;
 618         quit_handler(0, 0 /* not nicely */, 1 /* safely */, 1 /* restart */);
 619         return RESULT_SUCCESS;
 620 }
 621
 622 static int handle_restart_gracefully(int fd, int argc, char *argv[])
 623 {
 624         if (argc != 2)
 625                 return RESULT_SHOWUSAGE;
 626         quit_handler(0, 1 /* nicely */, 1 /* safely */, 1 /* restart */);
 627         return RESULT_SUCCESS;
 628 }
 629
 630 static int handle_restart_when_convenient(int fd, int argc, char *argv[])
 631 {
 632         if (argc != 3)
 633                 return RESULT_SHOWUSAGE;
 634         quit_handler(0, 2 /* really nicely */, 1 /* safely */, 1 /* restart */);
 635         return RESULT_SUCCESS;
 636 }
 637
 638 static int handle_abort_halt(int fd, int argc, char *argv[])
 639 {
 640         if (argc != 2)
 641                 return RESULT_SHOWUSAGE;
 642         ast_cancel_shutdown();
 643         shuttingdown = 0;
 644         return RESULT_SUCCESS;
 645 }
 646
 647 #define ASTERISK_PROMPT "*CLI> "
 648
 649 #define ASTERISK_PROMPT2 "%s*CLI> "
 650
 651 static struct ast_cli_entry aborthalt = { { "abort", "halt", NULL }, handle_abort_halt, "Cancel a running halt", abort_halt_help };
 652
 653 static struct ast_cli_entry quit =      { { "quit", NULL }, no_more_quit, "Exit Asterisk", quit_help };
 654 static struct ast_cli_entry astexit =   { { "exit", NULL }, no_more_quit, "Exit Asterisk", quit_help };
 655
 656 static struct ast_cli_entry astshutdownnow =    { { "stop", "now", NULL }, handle_shutdown_now, "Shut down Asterisk imediately", shutdown_now_help };
 657 static struct ast_cli_entry astshutdowngracefully =     { { "stop", "gracefully", NULL }, handle_shutdown_gracefully, "Gracefully shut down Asterisk", shutdown_gracefully_help };
 658 static struct ast_cli_entry astshutdownwhenconvenient =         { { "stop", "when","convenient", NULL }, handle_shutdown_when_convenient, "Shut down Asterisk at empty call volume", shutdown_when_convenient_help };
 659 static struct ast_cli_entry astrestartnow =     { { "restart", "now", NULL }, handle_restart_now, "Restart Asterisk immediately", restart_now_help };
 660 static struct ast_cli_entry astrestartgracefully =      { { "restart", "gracefully", NULL }, handle_restart_gracefully, "Restart Asterisk gracefully", restart_gracefully_help };
 661 static struct ast_cli_entry astrestartwhenconvenient=   { { "restart", "when", "convenient", NULL }, handle_restart_when_convenient, "Restart Asterisk at empty call volume", restart_when_convenient_help };
 662
 663 static int ast_el_read_char(EditLine *el, char *cp)
 664 {
 665         int num_read=0;
 666         int lastpos=0;
 667         fd_set rfds;
 668         int res;
 669         int max;
 670         char buf[512];
 671
 672         for (;;) {
 673                 FD_ZERO(&rfds);
 674                 FD_SET(ast_consock, &rfds);
 675                 FD_SET(STDIN_FILENO, &rfds);
 676                 max = ast_consock;
 677                 if (STDIN_FILENO > max)
 678                         max = STDIN_FILENO;
 679                 res = ast_select(max+1, &rfds, NULL, NULL, NULL);
 680                 if (res < 0) {
 681                         if (errno == EINTR)
 682                                 continue;
 683                         ast_log(LOG_ERROR, "select failed: %s\n", strerror(errno));
 684                         break;
 685                 }
 686
 687                 if (FD_ISSET(STDIN_FILENO, &rfds)) {
 688                         num_read = read(STDIN_FILENO, cp, 1);
 689                         if (num_read < 1) {
 690                                 break;
 691                         } else
 692                                 return (num_read);
 693                 }
 694                 if (FD_ISSET(ast_consock, &rfds)) {
 695                         res = read(ast_consock, buf, sizeof(buf) - 1);
 696                         /* if the remote side disappears exit */
 697                         if (res < 1) {
 698                                 fprintf(stderr, "\nDisconnected from Asterisk server\n");
 699                                 quit_handler(0, 0, 0, 0);
 700                         }
 701
 702                         buf[res] = '\0';
 703
 704                         if (!lastpos)
 705                                 write(STDOUT_FILENO, "\r", 1);
 706                         write(STDOUT_FILENO, buf, res);
 707                         if ((buf[res-1] == '\n') || (buf[res-2] == '\n')) {
 708                                 *cp = CC_REFRESH;
 709                                 return(1);
 710                         } else {
 711                                 lastpos = 1;
 712                         }
 713                 }
 714         }
 715
 716         *cp = '\0';
 717         return (0);
 718 }
 719
 720 static char *cli_prompt(EditLine *el)
 721 {
 722         static char prompt[80];
 723
 724         if (remotehostname)
 725                 snprintf(prompt, sizeof(prompt), ASTERISK_PROMPT2, remotehostname);
 726         else
 727                 snprintf(prompt, sizeof(prompt), ASTERISK_PROMPT);
 728
 729         return(prompt);
 730 }
 731
 732 static char **ast_el_strtoarr(char *buf)
 733 {
 734         char **match_list = NULL, *retstr;
 735         size_t match_list_len;
 736         int matches = 0;
 737
 738         match_list_len = 1;
 739         while ( (retstr = strsep(&buf, " ")) != NULL) {
 740
 741                 if (matches + 1 >= match_list_len) {
 742                         match_list_len <<= 1;
 743                         match_list = realloc(match_list, match_list_len * sizeof(char *));
 744                 }
 745
 746                 match_list[matches++] = retstr;
 747         }
 748
 749         if (!match_list)
 750                 return (char **) NULL;
 751
 752         if (matches>= match_list_len)
 753                 match_list = realloc(match_list, (match_list_len + 1) * sizeof(char *));
 754
 755         match_list[matches] = (char *) NULL;
 756
 757         return match_list;
 758 }
 759
 760 static int ast_el_sort_compare(const void *i1, const void *i2)
 761 {
 762         char *s1, *s2;
 763
 764         s1 = ((char **)i1)[0];
 765         s2 = ((char **)i2)[0];
 766
 767         return strcasecmp(s1, s2);
 768 }
 769
 770 static int ast_cli_display_match_list(char **matches, int len, int max)
 771 {
 772         int i, idx, limit, count;
 773         int screenwidth = 0;
 774         int numoutput = 0, numoutputline = 0;
 775
 776         screenwidth = ast_get_termcols(STDOUT_FILENO);
 777
 778         /* find out how many entries can be put on one line, with two spaces between strings */
 779         limit = screenwidth / (max + 2);
 780         if (limit == 0)
 781                 limit = 1;
 782
 783         /* how many lines of output */
 784         count = len / limit;
 785         if (count * limit < len)
 786                 count++;
 787
 788         idx = 1;
 789
 790         qsort(&matches[0], (size_t)(len + 1), sizeof(char *), ast_el_sort_compare);
 791
 792         for (; count > 0; count--) {
 793                 numoutputline = 0;
 794                 for (i=0; i < limit && matches[idx]; i++, idx++) {
 795
 796                         /* Don't print dupes */
 797                         if ( (matches[idx+1] != NULL && strcmp(matches[idx], matches[idx+1]) == 0 ) ) {
 798                                 i--;
 799                                 continue;
 800                         }
 801
 802                         numoutput++;  numoutputline++;
 803                         fprintf(stdout, "%-*s  ", max, matches[idx]);
 804                 }
 805                 if (numoutputline > 0)
 806                         fprintf(stdout, "\n");
 807         }
 808
 809         return numoutput;
 810 }
 811
 812
 813 static char *cli_complete(EditLine *el, int ch)
 814 {
 815         int len=0;
 816         char *ptr;
 817         int nummatches = 0;
 818         char **matches;
 819         int retval = CC_ERROR;
 820         char buf[1024];
 821         int res;
 822
 823         LineInfo *lf = (LineInfo *)el_line(el);
 824
 825         *lf->cursor = '\0';
 826         ptr = (char *)lf->cursor;
 827         if (ptr) {
 828                 while (ptr > lf->buffer) {
 829                         if (isspace(*ptr)) {
 830                                 ptr++;
 831                                 break;
 832                         }
 833                         ptr--;
 834                 }
 835         }
 836
 837         len = lf->cursor - ptr;
 838
 839         if (option_remote) {
 840                 snprintf(buf, sizeof(buf),"_COMMAND NUMMATCHES \"%s\" \"%s\"", lf->buffer, ptr);
 841                 fdprint(ast_consock, buf);
 842                 res = read(ast_consock, buf, sizeof(buf));
 843                 buf[res] = '\0';
 844                 nummatches = atoi(buf);
 845
 846                 if (nummatches > 0) {
 847                         snprintf(buf, sizeof(buf),"_COMMAND MATCHESARRAY \"%s\" \"%s\"", lf->buffer, ptr);
 848                         fdprint(ast_consock, buf);
 849                         res = read(ast_consock, buf, sizeof(buf));
 850                         buf[res] = '\0';
 851
 852                         matches = ast_el_strtoarr(buf);
 853                 } else
 854                         matches = (char **) NULL;
 855
 856
 857         }  else {
 858
 859                 nummatches = ast_cli_generatornummatches((char *)lf->buffer,ptr);
 860                 matches = ast_cli_completion_matches((char *)lf->buffer,ptr);
 861         }
 862
 863         if (matches) {
 864                 int i;
 865                 int matches_num, maxlen, match_len;
 866
 867                 if (matches[0][0] != '\0') {
 868                         el_deletestr(el, (int) len);
 869                         el_insertstr(el, matches[0]);
 870                         retval = CC_REFRESH;
 871                 }
 872
 873                 if (nummatches == 1) {
 874                         /* Found an exact match */
 875                         el_insertstr(el, " ");
 876                         retval = CC_REFRESH;
 877                 } else {
 878                         /* Must be more than one match */
 879                         for (i=1, maxlen=0; matches[i]; i++) {
 880                                 match_len = strlen(matches[i]);
 881                                 if (match_len > maxlen)
 882                                         maxlen = match_len;
 883                         }
 884                         matches_num = i - 1;
 885                         if (matches_num >1) {
 886                                 fprintf(stdout, "\n");
 887                                 ast_cli_display_match_list(matches, nummatches, maxlen);
 888                                 retval = CC_REDISPLAY;
 889                         } else {
 890                                 el_insertstr(el," ");
 891                                 retval = CC_REFRESH;
 892                         }
 893                 }
 894         free(matches);
 895         }
 896
 897         return (char *)retval;
 898 }
 899
 900 static int ast_el_initialize(void)
 901 {
 902         HistEvent ev;
 903
 904         if (el != NULL)
 905                 el_end(el);
 906         if (el_hist != NULL)
 907                 history_end(el_hist);
 908
 909         el = el_init("asterisk", stdin, stdout, stderr);
 910         el_set(el, EL_PROMPT, cli_prompt);
 911
 912         el_set(el, EL_EDITMODE, 1);
 913         el_set(el, EL_EDITOR, "emacs");
 914         el_hist = history_init();
 915         if (!el || !el_hist)
 916                 return -1;
 917
 918         /* setup history with 100 entries */
 919         history(el_hist, &ev, H_SETSIZE, 100);
 920
 921         el_set(el, EL_HIST, history, el_hist);
 922
 923         el_set(el, EL_ADDFN, "ed-complete", "Complete argument", cli_complete);
 924         /* Bind <tab> to command completion */
 925         el_set(el, EL_BIND, "^I", "ed-complete", NULL);
 926         /* Bind ? to command completion */
 927         el_set(el, EL_BIND, "?", "ed-complete", NULL);
 928
 929         return 0;
 930 }
 931
 932 static int ast_el_add_history(char *buf)
 933 {
 934         HistEvent ev;
 935
 936         if (el_hist == NULL || el == NULL)
 937                 ast_el_initialize();
 938
 939         return (history(el_hist, &ev, H_ENTER, buf));
 940 }
 941
 942 static int ast_el_write_history(char *filename)
 943 {
 944         HistEvent ev;
 945
 946         if (el_hist == NULL || el == NULL)
 947                 ast_el_initialize();
 948
 949         return (history(el_hist, &ev, H_SAVE, filename));
 950 }
 951
 952 static int ast_el_read_history(char *filename)
 953 {
 954         char buf[256];
 955         FILE *f;
 956         int ret = -1;
 957
 958         if (el_hist == NULL || el == NULL)
 959                 ast_el_initialize();
 960
 961         if ((f = fopen(filename, "r")) == NULL)
 962                 return ret;
 963
 964         while (!feof(f)) {
 965                 fgets(buf, sizeof(buf), f);
 966                 if (!strcmp(buf, "_HiStOrY_V2_\n"))
 967                         continue;
 968                 if ((ret = ast_el_add_history(buf)) == -1)
 969                         break;
 970         }
 971         fclose(f);
 972
 973         return ret;
 974 }
 975
 976 static void ast_remotecontrol(char * data)
 977 {
 978         char buf[80];
 979         int res;
 980         char filename[80] = "";
 981         char *hostname;
 982         char *cpid;
 983         char *version;
 984         int pid;
 985         char tmp[80];
 986         char *stringp=NULL;
 987
 988         char *ebuf;
 989         int num = 0;
 990
 991         read(ast_consock, buf, sizeof(buf));
 992         if (data)
 993                 write(ast_consock, data, strlen(data) + 1);
 994         stringp=buf;
 995         hostname = strsep(&stringp, "/");
 996         cpid = strsep(&stringp, "/");
 997         version = strsep(&stringp, "/");
 998         if (!version)
 999                 version = "<Version Unknown>";
1000         stringp=hostname;
1001         strsep(&stringp, ".");
1002         if (cpid)
1003                 pid = atoi(cpid);
1004         else
1005                 pid = -1;
1006         snprintf(tmp, sizeof(tmp), "set verbose atleast %d", option_verbose);
1007         fdprint(ast_consock, tmp);
1008         ast_verbose("Connected to Asterisk %s currently running on %s (pid = %d)\n", version, hostname, pid);
1009         remotehostname = hostname;
1010         if (getenv("HOME"))
1011                 snprintf(filename, sizeof(filename), "%s/.asterisk_history", getenv("HOME"));
1012         if (el_hist == NULL || el == NULL)
1013                 ast_el_initialize();
1014
1015         el_set(el, EL_GETCFN, ast_el_read_char);
1016
1017         if (strlen(filename))
1018                 ast_el_read_history(filename);
1019
1020         ast_cli_register(&quit);
1021         ast_cli_register(&astexit);
1022 #if 0
1023         ast_cli_register(&astshutdown);
1024 #endif
1025         for(;;) {
1026                 ebuf = (char *)el_gets(el, &num);
1027
1028                 if (data)       /* hack to print output then exit if asterisk -rx is used */
1029                         ebuf = strdup("quit");
1030
1031                 if (ebuf && strlen(ebuf)) {
1032                         if (ebuf[strlen(ebuf)-1] == '\n')
1033                                 ebuf[strlen(ebuf)-1] = '\0';
1034                         if (!remoteconsolehandler(ebuf)) {
1035                                 res = write(ast_consock, ebuf, strlen(ebuf) + 1);
1036                                 if (res < 1) {
1037                                         ast_log(LOG_WARNING, "Unable to write: %s\n", strerror(errno));
1038                                         break;
1039                                 }
1040                         }
1041                 }
1042         }
1043         printf("\nDisconnected from Asterisk server\n");
1044 }
1045
1046 static int show_cli_help(void) {
1047         printf("Asterisk " ASTERISK_VERSION ", Copyright (C) 2000-2002, Digium.\n");
1048         printf("Usage: asterisk [OPTIONS]\n");
1049         printf("Valid Options:\n");
1050         printf("   -h           This help screen\n");
1051         printf("   -r           Connect to Asterisk on this machine\n");
1052         printf("   -f           Do not fork\n");
1053         printf("   -n           Disable console colorization\n");
1054         printf("   -p           Run as pseudo-realtime thread\n");
1055         printf("   -v           Increase verbosity (multiple v's = more verbose)\n");
1056         printf("   -q           Quiet mode (supress output)\n");
1057         printf("   -g           Dump core in case of a crash\n");
1058         printf("   -x <cmd>     Execute command <cmd> (only valid with -r)\n");
1059         printf("   -i           Initializie crypto keys at startup\n");
1060         printf("   -c           Provide console CLI\n");
1061         printf("   -d           Enable extra debugging\n");
1062         printf("\n");
1063         return 0;
1064 }
1065
1066 static void ast_readconfig(void) {
1067         struct ast_config *cfg;
1068         struct ast_variable *v;
1069         char *config = ASTCONFPATH;
1070
1071         if (option_overrideconfig == 1) {
1072             cfg = ast_load((char *)ast_config_AST_CONFIG_FILE);
1073         } else {
1074             cfg = ast_load(config);
1075         }
1076
1077         /* init with buildtime config */
1078         strncpy((char *)ast_config_AST_CONFIG_DIR,AST_CONFIG_DIR,sizeof(ast_config_AST_CONFIG_DIR)-1);
1079         strncpy((char *)ast_config_AST_SPOOL_DIR,AST_SPOOL_DIR,sizeof(ast_config_AST_SPOOL_DIR)-1);
1080         strncpy((char *)ast_config_AST_MODULE_DIR,AST_MODULE_DIR,sizeof(ast_config_AST_VAR_DIR)-1);
1081         strncpy((char *)ast_config_AST_VAR_DIR,AST_VAR_DIR,sizeof(ast_config_AST_VAR_DIR)-1);
1082         strncpy((char *)ast_config_AST_LOG_DIR,AST_LOG_DIR,sizeof(ast_config_AST_LOG_DIR)-1);
1083         strncpy((char *)ast_config_AST_AGI_DIR,AST_AGI_DIR,sizeof(ast_config_AST_AGI_DIR)-1);
1084         strncpy((char *)ast_config_AST_DB,AST_DB,sizeof(ast_config_AST_DB)-1);
1085         strncpy((char *)ast_config_AST_KEY_DIR,AST_KEY_DIR,sizeof(ast_config_AST_KEY_DIR)-1);
1086         strncpy((char *)ast_config_AST_PID,AST_PID,sizeof(ast_config_AST_PID)-1);
1087         strncpy((char *)ast_config_AST_SOCKET,AST_SOCKET,sizeof(ast_config_AST_SOCKET)-1);
1088         strncpy((char *)ast_config_AST_RUN_DIR,AST_RUN_DIR,sizeof(ast_config_AST_RUN_DIR)-1);
1089
1090         /* no asterisk.conf? no problem, use buildtime config! */
1091         if (!cfg) {
1092             return;
1093         }
1094         v = ast_variable_browse(cfg, "directories");
1095         while(v) {
1096                 if (!strcasecmp(v->name, "astetcdir")) {
1097                     strncpy((char *)ast_config_AST_CONFIG_DIR,v->value,sizeof(ast_config_AST_CONFIG_DIR)-1);
1098                 } else if (!strcasecmp(v->name, "astspooldir")) {
1099                     strncpy((char *)ast_config_AST_SPOOL_DIR,v->value,sizeof(ast_config_AST_SPOOL_DIR)-1);
1100                 } else if (!strcasecmp(v->name, "astvarlibdir")) {
1101                     strncpy((char *)ast_config_AST_VAR_DIR,v->value,sizeof(ast_config_AST_VAR_DIR)-1);
1102                     snprintf((char *)ast_config_AST_DB,sizeof(ast_config_AST_DB)-1,"%s/%s",v->value,"astdb");
1103                 } else if (!strcasecmp(v->name, "astlogdir")) {
1104                     strncpy((char *)ast_config_AST_LOG_DIR,v->value,sizeof(ast_config_AST_LOG_DIR)-1);
1105                 } else if (!strcasecmp(v->name, "astagidir")) {
1106                     strncpy((char *)ast_config_AST_AGI_DIR,v->value,sizeof(ast_config_AST_AGI_DIR)-1);
1107                 } else if (!strcasecmp(v->name, "astrundir")) {
1108                     snprintf((char *)ast_config_AST_PID,sizeof(ast_config_AST_PID)-1,"%s/%s",v->value,"asterisk.pid");
1109                     snprintf((char *)ast_config_AST_SOCKET,sizeof(ast_config_AST_SOCKET)-1,"%s/%s",v->value,"asterisk.ctl");
1110                     strncpy((char *)ast_config_AST_RUN_DIR,v->value,sizeof(ast_config_AST_RUN_DIR)-1);
1111                 } else if (!strcasecmp(v->name, "astmoddir")) {
1112                     strncpy((char *)ast_config_AST_MODULE_DIR,v->value,sizeof(ast_config_AST_MODULE_DIR)-1);
1113                 }
1114                 v = v->next;
1115         }
1116         ast_destroy(cfg);
1117 }
1118
1119 int main(int argc, char *argv[])
1120 {
1121         char c;
1122         char filename[80] = "";
1123         char hostname[256];
1124         char tmp[80];
1125         char * xarg = NULL;
1126         int x;
1127         FILE *f;
1128         sigset_t sigs;
1129         int num;
1130         char *buf;
1131
1132         /* Remember original args for restart */
1133         if (argc > sizeof(_argv) / sizeof(_argv[0]) - 1) {
1134                 fprintf(stderr, "Truncating argument size to %d\n", sizeof(_argv) / sizeof(_argv[0]) - 1);
1135                 argc = sizeof(_argv) / sizeof(_argv[0]) - 1;
1136         }
1137         for (x=0;x<argc;x++)
1138                 _argv[x] = argv[x];
1139         _argv[x] = NULL;
1140
1141         if (gethostname(hostname, sizeof(hostname)))
1142                 strncpy(hostname, "<Unknown>", sizeof(hostname)-1);
1143         mainpid = getpid();
1144         ast_ulaw_init();
1145         ast_alaw_init();
1146         callerid_init();
1147         tdd_init();
1148         if (getenv("HOME"))
1149                 snprintf(filename, sizeof(filename), "%s/.asterisk_history", getenv("HOME"));
1150         /* Check if we're root */
1151         /*
1152         if (geteuid()) {
1153                 ast_log(LOG_ERROR, "Must be run as root\n");
1154                 exit(1);
1155         }
1156         */
1157         /* Check for options */
1158         while((c=getopt(argc, argv, "hfdvqprgcinx:C:")) != EOF) {
1159                 switch(c) {
1160                 case 'd':
1161                         option_debug++;
1162                         option_nofork++;
1163                         break;
1164                 case 'c':
1165                         option_console++;
1166                         option_nofork++;
1167                         break;
1168                 case 'f':
1169                         option_nofork++;
1170                         break;
1171                 case 'n':
1172                         option_nocolor++;
1173                         break;
1174                 case 'r':
1175                         option_remote++;
1176                         option_nofork++;
1177                         break;
1178                 case 'p':
1179                         option_highpriority++;
1180                         break;
1181                 case 'v':
1182                         option_verbose++;
1183                         option_nofork++;
1184                         break;
1185                 case 'q':
1186                         option_quiet++;
1187                         break;
1188                 case 'x':
1189                         option_exec++;
1190                         xarg = optarg;
1191                         break;
1192                 case 'C':
1193                         strncpy((char *)ast_config_AST_CONFIG_FILE,optarg,sizeof(ast_config_AST_CONFIG_FILE));
1194                         option_overrideconfig++;
1195                         break;
1196                 case 'i':
1197                         option_initcrypto++;
1198                         break;
1199                 case'g':
1200                         option_dumpcore++;
1201                         break;
1202                 case 'h':
1203                         show_cli_help();
1204                         exit(0);
1205                 case '?':
1206                         exit(1);
1207                 }
1208         }
1209
1210         if (option_dumpcore) {
1211                 struct rlimit l;
1212                 memset(&l, 0, sizeof(l));
1213                 l.rlim_cur = RLIM_INFINITY;
1214                 l.rlim_max = RLIM_INFINITY;
1215                 if (setrlimit(RLIMIT_CORE, &l)) {
1216                         ast_log(LOG_WARNING, "Unable to disable core size resource limit: %s\n", strerror(errno));
1217                 }
1218         }
1219
1220         term_init();
1221         printf(term_end());
1222         fflush(stdout);
1223         if (option_console && !option_verbose)
1224                 ast_verbose("[ Reading Master Configuration ]");
1225         ast_readconfig();
1226
1227         if (option_console) {
1228                 if (el_hist == NULL || el == NULL)
1229                         ast_el_initialize();
1230
1231                 if (strlen(filename))
1232                         ast_el_read_history(filename);
1233         }
1234
1235         if (ast_tryconnect()) {
1236                 /* One is already running */
1237                 if (option_remote) {
1238                         if (option_exec) {
1239                                 ast_remotecontrol(xarg);
1240                                 quit_handler(0, 0, 0, 0);
1241                                 exit(0);
1242                         }
1243                         printf(term_quit());
1244                         ast_register_verbose(console_verboser);
1245                         ast_verbose( "Asterisk " ASTERISK_VERSION ", Copyright (C) 1999-2001 Linux Support Services, Inc.\n");
1246                         ast_verbose( "Written by Mark Spencer <markster@linux-support.net>\n");
1247                         ast_verbose( "=========================================================================\n");
1248                         ast_remotecontrol(NULL);
1249                         quit_handler(0, 0, 0, 0);
1250                         exit(0);
1251                 } else {
1252                         ast_log(LOG_ERROR, "Asterisk already running on %s.  Use 'asterisk -r' to connect.\n", (char *)ast_config_AST_SOCKET);
1253                         printf(term_quit());
1254                         exit(1);
1255                 }
1256         } else if (option_remote || option_exec) {
1257                 ast_log(LOG_ERROR, "Unable to connect to remote asterisk\n");
1258                 printf(term_quit());
1259                 exit(1);
1260         }
1261         /* Blindly write pid file since we couldn't connect */
1262         unlink((char *)ast_config_AST_PID);
1263         f = fopen((char *)ast_config_AST_PID, "w");
1264         if (f) {
1265                 fprintf(f, "%d\n", getpid());
1266                 fclose(f);
1267         } else
1268                 ast_log(LOG_WARNING, "Unable to open pid file '%s': %s\n", (char *)ast_config_AST_PID, strerror(errno));
1269
1270         if (!option_verbose && !option_debug && !option_nofork && !option_console) {
1271 #if 1
1272                 daemon(0,0);
1273 #else
1274                 pid = fork();
1275                 if (pid < 0) {
1276                         ast_log(LOG_ERROR, "Unable to fork(): %s\n", strerror(errno));
1277                         printf(term_quit());
1278                         exit(1);
1279                 }
1280                 if (pid)
1281                         exit(0);
1282 #endif
1283         }
1284
1285         ast_makesocket();
1286         sigemptyset(&sigs);
1287         sigaddset(&sigs, SIGHUP);
1288         sigaddset(&sigs, SIGTERM);
1289         sigaddset(&sigs, SIGINT);
1290         sigaddset(&sigs, SIGPIPE);
1291         sigaddset(&sigs, SIGWINCH);
1292         pthread_sigmask(SIG_BLOCK, &sigs, NULL);
1293         if (option_console || option_verbose || option_remote)
1294                 ast_register_verbose(console_verboser);
1295         /* Print a welcome message if desired */
1296         if (option_verbose || option_console) {
1297                 ast_verbose( "Asterisk " ASTERISK_VERSION ", Copyright (C) 1999-2001 Linux Support Services, Inc.\n");
1298                 ast_verbose( "Written by Mark Spencer <markster@linux-support.net>\n");
1299                 ast_verbose( "=========================================================================\n");
1300         }
1301         if (option_console && !option_verbose)
1302                 ast_verbose("[ Booting...");
1303         signal(SIGURG, urg_handler);
1304         signal(SIGINT, __quit_handler);
1305         signal(SIGTERM, __quit_handler);
1306         signal(SIGHUP, hup_handler);
1307         signal(SIGPIPE, pipe_handler);
1308         if (set_priority(option_highpriority)) {
1309                 printf(term_quit());
1310                 exit(1);
1311         }
1312         if (init_logger()) {
1313                 printf(term_quit());
1314                 exit(1);
1315         }
1316         if (init_manager()) {
1317                 printf(term_quit());
1318                 exit(1);
1319         }
1320         if (ast_image_init()) {
1321                 printf(term_quit());
1322                 exit(1);
1323         }
1324         if (load_pbx()) {
1325                 printf(term_quit());
1326                 exit(1);
1327         }
1328         if (load_modules()) {
1329                 printf(term_quit());
1330                 exit(1);
1331         }
1332         if (init_framer()) {
1333                 printf(term_quit());
1334                 exit(1);
1335         }
1336         if (astdb_init()) {
1337                 printf(term_quit());
1338                 exit(1);
1339         }
1340         if (ast_enum_init()) {
1341                 printf(term_quit());
1342                 exit(1);
1343         }
1344         /* We might have the option of showing a console, but for now just
1345            do nothing... */
1346         if (option_console && !option_verbose)
1347                 ast_verbose(" ]\n");
1348         if (option_verbose || option_console)
1349                 ast_verbose(term_color(tmp, "Asterisk Ready.\n", COLOR_BRWHITE, COLOR_BLACK, sizeof(tmp)));
1350         fully_booted = 1;
1351         pthread_sigmask(SIG_UNBLOCK, &sigs, NULL);
1352 #ifdef __AST_DEBUG_MALLOC
1353         __ast_mm_init();
1354 #endif
1355         time(&ast_startuptime);
1356         ast_cli_register(&astshutdownnow);
1357         ast_cli_register(&astshutdowngracefully);
1358         ast_cli_register(&astrestartnow);
1359         ast_cli_register(&astrestartgracefully);
1360         ast_cli_register(&astrestartwhenconvenient);
1361         ast_cli_register(&astshutdownwhenconvenient);
1362         ast_cli_register(&aborthalt);
1363         if (option_console) {
1364                 /* Console stuff now... */
1365                 /* Register our quit function */
1366                 char title[256];
1367                 set_icon("Asterisk");
1368                 snprintf(title, sizeof(title), "Asterisk Console on '%s' (pid %d)", hostname, mainpid);
1369                 set_title(title);
1370             ast_cli_register(&quit);
1371             ast_cli_register(&astexit);
1372                 consolethread = pthread_self();
1373
1374                 while ( (buf = (char *)el_gets(el, &num) ) != NULL && num != 0) {
1375
1376                         if (buf[strlen(buf)-1] == '\n')
1377                                 buf[strlen(buf)-1] = '\0';
1378
1379                         consolehandler((char *)buf);
1380                 }
1381
1382         } else {
1383                 /* Do nothing */
1384                 ast_select(0,NULL,NULL,NULL,NULL);
1385         }
1386         return 0;
1387 }