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