source3/utils/smbcontrol.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Send messages to other Samba daemons
   5
   6    Copyright (C) Tim Potter 2003
   7    Copyright (C) Andrew Tridgell 1994-1998
   8    Copyright (C) Martin Pool 2001-2002
   9    Copyright (C) Simo Sorce 2002
  10    Copyright (C) James Peach 2006
  11
  12    This program is free software; you can redistribute it and/or modify
  13    it under the terms of the GNU General Public License as published by
  14    the Free Software Foundation; either version 3 of the License, or
  15    (at your option) any later version.
  16
  17    This program is distributed in the hope that it will be useful,
  18    but WITHOUT ANY WARRANTY; without even the implied warranty of
  19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20    GNU General Public License for more details.
  21
  22    You should have received a copy of the GNU General Public License
  23    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  24 */
  25
  26 #include "includes.h"
  27 #include "system/filesys.h"
  28 #include "popt_common.h"
  29 #include "librpc/gen_ndr/spoolss.h"
  30 #include "nt_printing.h"
  31 #include "printing/notify.h"
  32 #include "libsmb/nmblib.h"
  33 #include "messages.h"
  34 #include "util_tdb.h"
  35
  36 #if HAVE_LIBUNWIND_H
  37 #include <libunwind.h>
  38 #endif
  39
  40 #if HAVE_LIBUNWIND_PTRACE_H
  41 #include <libunwind-ptrace.h>
  42 #endif
  43
  44 #if HAVE_SYS_PTRACE_H
  45 #include <sys/ptrace.h>
  46 #endif
  47
  48 /* Default timeout value when waiting for replies (in seconds) */
  49
  50 #define DEFAULT_TIMEOUT 10
  51
  52 static int timeout = DEFAULT_TIMEOUT;
  53 static int num_replies;         /* Used by message callback fns */
  54
  55 /* Send a message to a destination pid.  Zero means broadcast smbd. */
  56
  57 static bool send_message(struct messaging_context *msg_ctx,
  58                          struct server_id pid, int msg_type,
  59                          const void *buf, int len)
  60 {
  61         bool ret;
  62         int n_sent = 0;
  63
  64         if (procid_to_pid(&pid) != 0)
  65                 return NT_STATUS_IS_OK(
  66                         messaging_send_buf(msg_ctx, pid, msg_type,
  67                                            (const uint8 *)buf, len));
  68
  69         ret = message_send_all(msg_ctx, msg_type, buf, len, &n_sent);
  70         DEBUG(10,("smbcontrol/send_message: broadcast message to "
  71                   "%d processes\n", n_sent));
  72
  73         return ret;
  74 }
  75
  76 static void smbcontrol_timeout(struct tevent_context *event_ctx,
  77                                struct tevent_timer *te,
  78                                struct timeval now,
  79                                void *private_data)
  80 {
  81         bool *timed_out = (bool *)private_data;
  82         TALLOC_FREE(te);
  83         *timed_out = True;
  84 }
  85
  86 /* Wait for one or more reply messages */
  87
  88 static void wait_replies(struct tevent_context *ev_ctx,
  89                          struct messaging_context *msg_ctx,
  90                          bool multiple_replies)
  91 {
  92         struct tevent_timer *te;
  93         bool timed_out = False;
  94
  95         if (!(te = tevent_add_timer(ev_ctx, NULL,
  96                                     timeval_current_ofs(timeout, 0),
  97                                     smbcontrol_timeout, (void *)&timed_out))) {
  98                 DEBUG(0, ("tevent_add_timer failed\n"));
  99                 return;
 100         }
 101
 102         while (!timed_out) {
 103                 int ret;
 104                 if (num_replies > 0 && !multiple_replies)
 105                         break;
 106                 ret = tevent_loop_once(ev_ctx);
 107                 if (ret != 0) {
 108                         break;
 109                 }
 110         }
 111 }
 112
 113 /* Message handler callback that displays the PID and a string on stdout */
 114
 115 static void print_pid_string_cb(struct messaging_context *msg,
 116                                 void *private_data,
 117                                 uint32_t msg_type,
 118                                 struct server_id pid,
 119                                 DATA_BLOB *data)
 120 {
 121         char *pidstr;
 122
 123         pidstr = server_id_str(talloc_tos(), &pid);
 124         printf("PID %s: %.*s", pidstr, (int)data->length,
 125                (const char *)data->data);
 126         TALLOC_FREE(pidstr);
 127         num_replies++;
 128 }
 129
 130 /* Message handler callback that displays a string on stdout */
 131
 132 static void print_string_cb(struct messaging_context *msg,
 133                             void *private_data,
 134                             uint32_t msg_type,
 135                             struct server_id pid,
 136                             DATA_BLOB *data)
 137 {
 138         printf("%*s", (int)data->length, (const char *)data->data);
 139         num_replies++;
 140 }
 141
 142 /* Send no message.  Useful for testing. */
 143
 144 static bool do_noop(struct tevent_context *ev_ctx,
 145                     struct messaging_context *msg_ctx,
 146                     const struct server_id pid,
 147                     const int argc, const char **argv)
 148 {
 149         if (argc != 1) {
 150                 fprintf(stderr, "Usage: smbcontrol <dest> noop\n");
 151                 return False;
 152         }
 153
 154         /* Move along, nothing to see here */
 155
 156         return True;
 157 }
 158
 159 /* Send a debug string */
 160
 161 static bool do_debug(struct tevent_context *ev_ctx,
 162                      struct messaging_context *msg_ctx,
 163                      const struct server_id pid,
 164                      const int argc, const char **argv)
 165 {
 166         if (argc != 2) {
 167                 fprintf(stderr, "Usage: smbcontrol <dest> debug "
 168                         "<debug-string>\n");
 169                 return False;
 170         }
 171
 172         return send_message(msg_ctx, pid, MSG_DEBUG, argv[1],
 173                             strlen(argv[1]) + 1);
 174 }
 175
 176
 177 static bool do_idmap(struct tevent_context *ev,
 178                      struct messaging_context *msg_ctx,
 179                      const struct server_id pid,
 180                      const int argc, const char **argv)
 181 {
 182         static const char* usage = "Usage: "
 183                 "smbcontrol <dest> idmap <cmd> [arg]\n"
 184                 "\tcmd:\tflush [gid|uid]\n"
 185                 "\t\tdelete \"UID <uid>\"|\"GID <gid>\"|<sid>\n"
 186                 "\t\tkill \"UID <uid>\"|\"GID <gid>\"|<sid>\n";
 187         const char* arg = NULL;
 188         int arglen = 0;
 189         int msg_type;
 190
 191         switch (argc) {
 192         case 2:
 193                 break;
 194         case 3:
 195                 arg = argv[2];
 196                 arglen = strlen(arg) + 1;
 197                 break;
 198         default:
 199                 fprintf(stderr, "%s", usage);
 200                 return false;
 201         }
 202
 203         if (strcmp(argv[1], "flush") == 0) {
 204                 msg_type = ID_CACHE_FLUSH;
 205         }
 206         else if (strcmp(argv[1], "delete") == 0) {
 207                 msg_type = ID_CACHE_DELETE;
 208         }
 209         else if (strcmp(argv[1], "kill") == 0) {
 210                 msg_type = ID_CACHE_KILL;
 211         }
 212         else if (strcmp(argv[1], "help") == 0) {
 213                 fprintf(stdout, "%s", usage);
 214                 return true;
 215         }
 216         else {
 217                 fprintf(stderr, "%s", usage);
 218                 return false;
 219         }
 220
 221         return send_message(msg_ctx, pid, msg_type, arg, arglen);
 222 }
 223
 224
 225 #if defined(HAVE_LIBUNWIND_PTRACE) && defined(HAVE_LINUX_PTRACE)
 226
 227 /* Return the name of a process given it's PID. This will only work on Linux,
 228  * but that's probably moot since this whole stack tracing implementatino is
 229  * Linux-specific anyway.
 230  */
 231 static const char * procname(pid_t pid, char * buf, size_t bufsz)
 232 {
 233         char path[64];
 234         FILE * fp;
 235
 236         snprintf(path, sizeof(path), "/proc/%llu/cmdline",
 237                 (unsigned long long)pid);
 238         if ((fp = fopen(path, "r")) == NULL) {
 239                 return NULL;
 240         }
 241
 242         fgets(buf, bufsz, fp);
 243
 244         fclose(fp);
 245         return buf;
 246 }
 247
 248 static void print_stack_trace(pid_t pid, int * count)
 249 {
 250         void *              pinfo = NULL;
 251         unw_addr_space_t    aspace = NULL;
 252         unw_cursor_t        cursor;
 253         unw_word_t          ip, sp;
 254
 255         char                nbuf[256];
 256         unw_word_t          off;
 257
 258         int ret;
 259
 260         if (ptrace(PTRACE_ATTACH, pid, NULL, NULL) < 0) {
 261                 fprintf(stderr,
 262                         "Failed to attach to process %llu: %s\n",
 263                         (unsigned long long)pid, strerror(errno));
 264                 return;
 265         }
 266
 267         /* Wait until the attach is complete. */
 268         waitpid(pid, NULL, 0);
 269
 270         if (((pinfo = _UPT_create(pid)) == NULL) ||
 271             ((aspace = unw_create_addr_space(&_UPT_accessors, 0)) == NULL)) {
 272                 /* Probably out of memory. */
 273                 fprintf(stderr,
 274                         "Unable to initialize stack unwind for process %llu\n",
 275                         (unsigned long long)pid);
 276                 goto cleanup;
 277         }
 278
 279         if ((ret = unw_init_remote(&cursor, aspace, pinfo))) {
 280                 fprintf(stderr,
 281                         "Unable to unwind stack for process %llu: %s\n",
 282                         (unsigned long long)pid, unw_strerror(ret));
 283                 goto cleanup;
 284         }
 285
 286         if (*count > 0) {
 287                 printf("\n");
 288         }
 289
 290         if (procname(pid, nbuf, sizeof(nbuf))) {
 291                 printf("Stack trace for process %llu (%s):\n",
 292                         (unsigned long long)pid, nbuf);
 293         } else {
 294                 printf("Stack trace for process %llu:\n",
 295                         (unsigned long long)pid);
 296         }
 297
 298         while (unw_step(&cursor) > 0) {
 299                 ip = sp = off = 0;
 300                 unw_get_reg(&cursor, UNW_REG_IP, &ip);
 301                 unw_get_reg(&cursor, UNW_REG_SP, &sp);
 302
 303                 ret = unw_get_proc_name(&cursor, nbuf, sizeof(nbuf), &off);
 304                 if (ret != 0 && ret != -UNW_ENOMEM) {
 305                         snprintf(nbuf, sizeof(nbuf), "<unknown symbol>");
 306                 }
 307                 printf("    %s + %#llx [ip=%#llx] [sp=%#llx]\n",
 308                         nbuf, (long long)off, (long long)ip,
 309                         (long long)sp);
 310         }
 311
 312         (*count)++;
 313
 314 cleanup:
 315         if (aspace) {
 316                 unw_destroy_addr_space(aspace);
 317         }
 318
 319         if (pinfo) {
 320                 _UPT_destroy(pinfo);
 321         }
 322
 323         ptrace(PTRACE_DETACH, pid, NULL, NULL);
 324 }
 325
 326 static int stack_trace_connection(const struct connections_key *key,
 327                                   const struct connections_data *crec,
 328                                   void *priv)
 329 {
 330         print_stack_trace(procid_to_pid(&crec->pid), (int *)priv);
 331
 332         return 0;
 333 }
 334
 335 static bool do_daemon_stack_trace(struct tevent_context *ev_ctx,
 336                                   struct messaging_context *msg_ctx,
 337                                   const struct server_id pid,
 338                                   const int argc, const char **argv)
 339 {
 340         pid_t   dest;
 341         int     count = 0;
 342
 343         if (argc != 1) {
 344                 fprintf(stderr, "Usage: smbcontrol <dest> stacktrace\n");
 345                 return False;
 346         }
 347
 348         dest = procid_to_pid(&pid);
 349
 350         if (dest != 0) {
 351                 /* It would be nice to be able to make sure that this PID is
 352                  * the PID of a smbd/winbind/nmbd process, not some random PID
 353                  * the user liked the look of. It doesn't seem like it's worth
 354                  * the effort at the moment, however.
 355                  */
 356                 print_stack_trace(dest, &count);
 357         } else {
 358                 connections_forall_read(stack_trace_connection, &count);
 359         }
 360
 361         return True;
 362 }
 363
 364 #else /* defined(HAVE_LIBUNWIND_PTRACE) && defined(HAVE_LINUX_PTRACE) */
 365
 366 static bool do_daemon_stack_trace(struct tevent_context *ev_ctx,
 367                                   struct messaging_context *msg_ctx,
 368                                   const struct server_id pid,
 369                                   const int argc, const char **argv)
 370 {
 371         fprintf(stderr,
 372                 "Daemon stack tracing is not supported on this platform\n");
 373         return False;
 374 }
 375
 376 #endif /* defined(HAVE_LIBUNWIND_PTRACE) && defined(HAVE_LINUX_PTRACE) */
 377
 378 /* Inject a fault (fatal signal) into a running smbd */
 379
 380 static bool do_inject_fault(struct tevent_context *ev_ctx,
 381                             struct messaging_context *msg_ctx,
 382                             const struct server_id pid,
 383                             const int argc, const char **argv)
 384 {
 385         if (argc != 2) {
 386                 fprintf(stderr, "Usage: smbcontrol <dest> inject "
 387                         "<bus|hup|term|internal|segv>\n");
 388                 return False;
 389         }
 390
 391 #ifndef DEVELOPER
 392         fprintf(stderr, "Fault injection is only available in "
 393                 "developer builds\n");
 394         return False;
 395 #else /* DEVELOPER */
 396         {
 397                 int sig = 0;
 398
 399                 if (strcmp(argv[1], "bus") == 0) {
 400                         sig = SIGBUS;
 401                 } else if (strcmp(argv[1], "hup") == 0) {
 402                         sig = SIGHUP;
 403                 } else if (strcmp(argv[1], "term") == 0) {
 404                         sig = SIGTERM;
 405                 } else if (strcmp(argv[1], "segv") == 0) {
 406                         sig = SIGSEGV;
 407                 } else if (strcmp(argv[1], "internal") == 0) {
 408                         /* Force an internal error, ie. an unclean exit. */
 409                         sig = -1;
 410                 } else {
 411                         fprintf(stderr, "Unknown signal name '%s'\n", argv[1]);
 412                         return False;
 413                 }
 414
 415                 return send_message(msg_ctx, pid, MSG_SMB_INJECT_FAULT,
 416                                     &sig, sizeof(int));
 417         }
 418 #endif /* DEVELOPER */
 419 }
 420
 421 /* Force a browser election */
 422
 423 static bool do_election(struct tevent_context *ev_ctx,
 424                         struct messaging_context *msg_ctx,
 425                         const struct server_id pid,
 426                         const int argc, const char **argv)
 427 {
 428         if (argc != 1) {
 429                 fprintf(stderr, "Usage: smbcontrol <dest> force-election\n");
 430                 return False;
 431         }
 432
 433         return send_message(msg_ctx, pid, MSG_FORCE_ELECTION, NULL, 0);
 434 }
 435
 436 /* Ping a samba daemon process */
 437
 438 static void pong_cb(struct messaging_context *msg,
 439                     void *private_data,
 440                     uint32_t msg_type,
 441                     struct server_id pid,
 442                     DATA_BLOB *data)
 443 {
 444         char *src_string = server_id_str(NULL, &pid);
 445         printf("PONG from pid %s\n", src_string);
 446         TALLOC_FREE(src_string);
 447         num_replies++;
 448 }
 449
 450 static bool do_ping(struct tevent_context *ev_ctx,
 451                     struct messaging_context *msg_ctx,
 452                     const struct server_id pid,
 453                     const int argc, const char **argv)
 454 {
 455         if (argc != 1) {
 456                 fprintf(stderr, "Usage: smbcontrol <dest> ping\n");
 457                 return False;
 458         }
 459
 460         /* Send a message and register our interest in a reply */
 461
 462         if (!send_message(msg_ctx, pid, MSG_PING, NULL, 0))
 463                 return False;
 464
 465         messaging_register(msg_ctx, NULL, MSG_PONG, pong_cb);
 466
 467         wait_replies(ev_ctx, msg_ctx, procid_to_pid(&pid) == 0);
 468
 469         /* No replies were received within the timeout period */
 470
 471         if (num_replies == 0)
 472                 printf("No replies received\n");
 473
 474         messaging_deregister(msg_ctx, MSG_PONG, NULL);
 475
 476         return num_replies;
 477 }
 478
 479 /* Set profiling options */
 480
 481 static bool do_profile(struct tevent_context *ev_ctx,
 482                        struct messaging_context *msg_ctx,
 483                        const struct server_id pid,
 484                        const int argc, const char **argv)
 485 {
 486         int v;
 487
 488         if (argc != 2) {
 489                 fprintf(stderr, "Usage: smbcontrol <dest> profile "
 490                         "<off|count|on|flush>\n");
 491                 return False;
 492         }
 493
 494         if (strcmp(argv[1], "off") == 0) {
 495                 v = 0;
 496         } else if (strcmp(argv[1], "count") == 0) {
 497                 v = 1;
 498         } else if (strcmp(argv[1], "on") == 0) {
 499                 v = 2;
 500         } else if (strcmp(argv[1], "flush") == 0) {
 501                 v = 3;
 502         } else {
 503                 fprintf(stderr, "Unknown profile command '%s'\n", argv[1]);
 504                 return False;
 505         }
 506
 507         return send_message(msg_ctx, pid, MSG_PROFILE, &v, sizeof(int));
 508 }
 509
 510 /* Return the profiling level */
 511
 512 static void profilelevel_cb(struct messaging_context *msg_ctx,
 513                             void *private_data,
 514                             uint32_t msg_type,
 515                             struct server_id pid,
 516                             DATA_BLOB *data)
 517 {
 518         int level;
 519         const char *s;
 520
 521         num_replies++;
 522
 523         if (data->length != sizeof(int)) {
 524                 fprintf(stderr, "invalid message length %ld returned\n",
 525                         (unsigned long)data->length);
 526                 return;
 527         }
 528
 529         memcpy(&level, data->data, sizeof(int));
 530
 531         switch (level) {
 532         case 0:
 533                 s = "not enabled";
 534                 break;
 535         case 1:
 536                 s = "off";
 537                 break;
 538         case 3:
 539                 s = "count only";
 540                 break;
 541         case 7:
 542                 s = "count and time";
 543                 break;
 544         default:
 545                 s = "BOGUS";
 546                 break;
 547         }
 548
 549         printf("Profiling %s on pid %u\n",s,(unsigned int)procid_to_pid(&pid));
 550 }
 551
 552 static void profilelevel_rqst(struct messaging_context *msg_ctx,
 553                               void *private_data,
 554                               uint32_t msg_type,
 555                               struct server_id pid,
 556                               DATA_BLOB *data)
 557 {
 558         int v = 0;
 559
 560         /* Send back a dummy reply */
 561
 562         send_message(msg_ctx, pid, MSG_PROFILELEVEL, &v, sizeof(int));
 563 }
 564
 565 static bool do_profilelevel(struct tevent_context *ev_ctx,
 566                             struct messaging_context *msg_ctx,
 567                             const struct server_id pid,
 568                             const int argc, const char **argv)
 569 {
 570         if (argc != 1) {
 571                 fprintf(stderr, "Usage: smbcontrol <dest> profilelevel\n");
 572                 return False;
 573         }
 574
 575         /* Send a message and register our interest in a reply */
 576
 577         if (!send_message(msg_ctx, pid, MSG_REQ_PROFILELEVEL, NULL, 0))
 578                 return False;
 579
 580         messaging_register(msg_ctx, NULL, MSG_PROFILELEVEL, profilelevel_cb);
 581         messaging_register(msg_ctx, NULL, MSG_REQ_PROFILELEVEL,
 582                            profilelevel_rqst);
 583
 584         wait_replies(ev_ctx, msg_ctx, procid_to_pid(&pid) == 0);
 585
 586         /* No replies were received within the timeout period */
 587
 588         if (num_replies == 0)
 589                 printf("No replies received\n");
 590
 591         messaging_deregister(msg_ctx, MSG_PROFILE, NULL);
 592
 593         return num_replies;
 594 }
 595
 596 /* Display debug level settings */
 597
 598 static bool do_debuglevel(struct tevent_context *ev_ctx,
 599                           struct messaging_context *msg_ctx,
 600                           const struct server_id pid,
 601                           const int argc, const char **argv)
 602 {
 603         if (argc != 1) {
 604                 fprintf(stderr, "Usage: smbcontrol <dest> debuglevel\n");
 605                 return False;
 606         }
 607
 608         /* Send a message and register our interest in a reply */
 609
 610         if (!send_message(msg_ctx, pid, MSG_REQ_DEBUGLEVEL, NULL, 0))
 611                 return False;
 612
 613         messaging_register(msg_ctx, NULL, MSG_DEBUGLEVEL, print_pid_string_cb);
 614
 615         wait_replies(ev_ctx, msg_ctx, procid_to_pid(&pid) == 0);
 616
 617         /* No replies were received within the timeout period */
 618
 619         if (num_replies == 0)
 620                 printf("No replies received\n");
 621
 622         messaging_deregister(msg_ctx, MSG_DEBUGLEVEL, NULL);
 623
 624         return num_replies;
 625 }
 626
 627 /* Send a print notify message */
 628
 629 static bool do_printnotify(struct tevent_context *ev_ctx,
 630                            struct messaging_context *msg_ctx,
 631                            const struct server_id pid,
 632                            const int argc, const char **argv)
 633 {
 634         const char *cmd;
 635
 636         /* Check for subcommand */
 637
 638         if (argc == 1) {
 639                 fprintf(stderr, "Must specify subcommand:\n");
 640                 fprintf(stderr, "\tqueuepause <printername>\n");
 641                 fprintf(stderr, "\tqueueresume <printername>\n");
 642                 fprintf(stderr, "\tjobpause <printername> <unix jobid>\n");
 643                 fprintf(stderr, "\tjobresume <printername> <unix jobid>\n");
 644                 fprintf(stderr, "\tjobdelete <printername> <unix jobid>\n");
 645                 fprintf(stderr, "\tprinter <printername> <comment|port|"
 646                         "driver> <value>\n");
 647
 648                 return False;
 649         }
 650
 651         cmd = argv[1];
 652
 653         if (strcmp(cmd, "queuepause") == 0) {
 654
 655                 if (argc != 3) {
 656                         fprintf(stderr, "Usage: smbcontrol <dest> printnotify"
 657                                 " queuepause <printername>\n");
 658                         return False;
 659                 }
 660
 661                 notify_printer_status_byname(ev_ctx, msg_ctx, argv[2],
 662                                              PRINTER_STATUS_PAUSED);
 663
 664                 goto send;
 665
 666         } else if (strcmp(cmd, "queueresume") == 0) {
 667
 668                 if (argc != 3) {
 669                         fprintf(stderr, "Usage: smbcontrol <dest> printnotify"
 670                                 " queuereume <printername>\n");
 671                         return False;
 672                 }
 673
 674                 notify_printer_status_byname(ev_ctx, msg_ctx, argv[2],
 675                                              PRINTER_STATUS_OK);
 676
 677                 goto send;
 678
 679         } else if (strcmp(cmd, "jobpause") == 0) {
 680                 int jobid;
 681
 682                 if (argc != 4) {
 683                         fprintf(stderr, "Usage: smbcontrol <dest> printnotify"
 684                                 " jobpause <printername> <unix-jobid>\n");
 685                         return False;
 686                 }
 687
 688                 jobid = atoi(argv[3]);
 689
 690                 notify_job_status_byname(
 691                         ev_ctx, msg_ctx,
 692                         argv[2], jobid, JOB_STATUS_PAUSED,
 693                         SPOOLSS_NOTIFY_MSG_UNIX_JOBID);
 694
 695                 goto send;
 696
 697         } else if (strcmp(cmd, "jobresume") == 0) {
 698                 int jobid;
 699
 700                 if (argc != 4) {
 701                         fprintf(stderr, "Usage: smbcontrol <dest> printnotify"
 702                                 " jobpause <printername> <unix-jobid>\n");
 703                         return False;
 704                 }
 705
 706                 jobid = atoi(argv[3]);
 707
 708                 notify_job_status_byname(
 709                         ev_ctx, msg_ctx,
 710                         argv[2], jobid, JOB_STATUS_QUEUED,
 711                         SPOOLSS_NOTIFY_MSG_UNIX_JOBID);
 712
 713                 goto send;
 714
 715         } else if (strcmp(cmd, "jobdelete") == 0) {
 716                 int jobid;
 717
 718                 if (argc != 4) {
 719                         fprintf(stderr, "Usage: smbcontrol <dest> printnotify"
 720                                 " jobpause <printername> <unix-jobid>\n");
 721                         return False;
 722                 }
 723
 724                 jobid = atoi(argv[3]);
 725
 726                 notify_job_status_byname(
 727                         ev_ctx, msg_ctx,
 728                         argv[2], jobid, JOB_STATUS_DELETING,
 729                         SPOOLSS_NOTIFY_MSG_UNIX_JOBID);
 730
 731                 notify_job_status_byname(
 732                         ev_ctx, msg_ctx,
 733                         argv[2], jobid, JOB_STATUS_DELETING|
 734                         JOB_STATUS_DELETED,
 735                         SPOOLSS_NOTIFY_MSG_UNIX_JOBID);
 736
 737                 goto send;
 738
 739         } else if (strcmp(cmd, "printer") == 0) {
 740                 uint32 attribute;
 741
 742                 if (argc != 5) {
 743                         fprintf(stderr, "Usage: smbcontrol <dest> printnotify "
 744                                 "printer <printername> <comment|port|driver> "
 745                                 "<value>\n");
 746                         return False;
 747                 }
 748
 749                 if (strcmp(argv[3], "comment") == 0) {
 750                         attribute = PRINTER_NOTIFY_FIELD_COMMENT;
 751                 } else if (strcmp(argv[3], "port") == 0) {
 752                         attribute = PRINTER_NOTIFY_FIELD_PORT_NAME;
 753                 } else if (strcmp(argv[3], "driver") == 0) {
 754                         attribute = PRINTER_NOTIFY_FIELD_DRIVER_NAME;
 755                 } else {
 756                         fprintf(stderr, "Invalid printer command '%s'\n",
 757                                 argv[3]);
 758                         return False;
 759                 }
 760
 761                 notify_printer_byname(ev_ctx, msg_ctx, argv[2], attribute,
 762                                       discard_const_p(char, argv[4]));
 763
 764                 goto send;
 765         }
 766
 767         fprintf(stderr, "Invalid subcommand '%s'\n", cmd);
 768         return False;
 769
 770 send:
 771         print_notify_send_messages(msg_ctx, 0);
 772         return True;
 773 }
 774
 775 /* Close a share */
 776
 777 static bool do_closeshare(struct tevent_context *ev_ctx,
 778                           struct messaging_context *msg_ctx,
 779                           const struct server_id pid,
 780                           const int argc, const char **argv)
 781 {
 782         if (argc != 2) {
 783                 fprintf(stderr, "Usage: smbcontrol <dest> close-share "
 784                         "<sharename>\n");
 785                 return False;
 786         }
 787
 788         return send_message(msg_ctx, pid, MSG_SMB_FORCE_TDIS, argv[1],
 789                             strlen(argv[1]) + 1);
 790 }
 791
 792 /* Tell winbindd an IP got dropped */
 793
 794 static bool do_ip_dropped(struct tevent_context *ev_ctx,
 795                           struct messaging_context *msg_ctx,
 796                           const struct server_id pid,
 797                           const int argc, const char **argv)
 798 {
 799         if (argc != 2) {
 800                 fprintf(stderr, "Usage: smbcontrol <dest> ip-dropped "
 801                         "<ip-address>\n");
 802                 return False;
 803         }
 804
 805         return send_message(msg_ctx, pid, MSG_WINBIND_IP_DROPPED, argv[1],
 806                             strlen(argv[1]) + 1);
 807 }
 808
 809 /* force a blocking lock retry */
 810
 811 static bool do_lockretry(struct tevent_context *ev_ctx,
 812                          struct messaging_context *msg_ctx,
 813                          const struct server_id pid,
 814                          const int argc, const char **argv)
 815 {
 816         if (argc != 1) {
 817                 fprintf(stderr, "Usage: smbcontrol <dest> lockretry\n");
 818                 return False;
 819         }
 820
 821         return send_message(msg_ctx, pid, MSG_SMB_UNLOCK, NULL, 0);
 822 }
 823
 824 /* force a validation of all brl entries, including re-sends. */
 825
 826 static bool do_brl_revalidate(struct tevent_context *ev_ctx,
 827                               struct messaging_context *msg_ctx,
 828                               const struct server_id pid,
 829                               const int argc, const char **argv)
 830 {
 831         if (argc != 1) {
 832                 fprintf(stderr, "Usage: smbcontrol <dest> brl-revalidate\n");
 833                 return False;
 834         }
 835
 836         return send_message(msg_ctx, pid, MSG_SMB_BRL_VALIDATE, NULL, 0);
 837 }
 838
 839 /* Display talloc pool usage */
 840
 841 static bool do_poolusage(struct tevent_context *ev_ctx,
 842                          struct messaging_context *msg_ctx,
 843                          const struct server_id pid,
 844                          const int argc, const char **argv)
 845 {
 846         if (argc != 1) {
 847                 fprintf(stderr, "Usage: smbcontrol <dest> pool-usage\n");
 848                 return False;
 849         }
 850
 851         messaging_register(msg_ctx, NULL, MSG_POOL_USAGE, print_string_cb);
 852
 853         /* Send a message and register our interest in a reply */
 854
 855         if (!send_message(msg_ctx, pid, MSG_REQ_POOL_USAGE, NULL, 0))
 856                 return False;
 857
 858         wait_replies(ev_ctx, msg_ctx, procid_to_pid(&pid) == 0);
 859
 860         /* No replies were received within the timeout period */
 861
 862         if (num_replies == 0)
 863                 printf("No replies received\n");
 864
 865         messaging_deregister(msg_ctx, MSG_POOL_USAGE, NULL);
 866
 867         return num_replies;
 868 }
 869
 870 /* Perform a dmalloc mark */
 871
 872 static bool do_dmalloc_mark(struct tevent_context *ev_ctx,
 873                             struct messaging_context *msg_ctx,
 874                             const struct server_id pid,
 875                             const int argc, const char **argv)
 876 {
 877         if (argc != 1) {
 878                 fprintf(stderr, "Usage: smbcontrol <dest> dmalloc-mark\n");
 879                 return False;
 880         }
 881
 882         return send_message(msg_ctx, pid, MSG_REQ_DMALLOC_MARK, NULL, 0);
 883 }
 884
 885 /* Perform a dmalloc changed */
 886
 887 static bool do_dmalloc_changed(struct tevent_context *ev_ctx,
 888                                struct messaging_context *msg_ctx,
 889                                const struct server_id pid,
 890                                const int argc, const char **argv)
 891 {
 892         if (argc != 1) {
 893                 fprintf(stderr, "Usage: smbcontrol <dest> "
 894                         "dmalloc-log-changed\n");
 895                 return False;
 896         }
 897
 898         return send_message(msg_ctx, pid, MSG_REQ_DMALLOC_LOG_CHANGED,
 899                             NULL, 0);
 900 }
 901
 902 /* Shutdown a server process */
 903
 904 static bool do_shutdown(struct tevent_context *ev_ctx,
 905                         struct messaging_context *msg_ctx,
 906                         const struct server_id pid,
 907                         const int argc, const char **argv)
 908 {
 909         if (argc != 1) {
 910                 fprintf(stderr, "Usage: smbcontrol <dest> shutdown\n");
 911                 return False;
 912         }
 913
 914         return send_message(msg_ctx, pid, MSG_SHUTDOWN, NULL, 0);
 915 }
 916
 917 /* Notify a driver upgrade */
 918
 919 static bool do_drvupgrade(struct tevent_context *ev_ctx,
 920                           struct messaging_context *msg_ctx,
 921                           const struct server_id pid,
 922                           const int argc, const char **argv)
 923 {
 924         if (argc != 2) {
 925                 fprintf(stderr, "Usage: smbcontrol <dest> drvupgrade "
 926                         "<driver-name>\n");
 927                 return False;
 928         }
 929
 930         return send_message(msg_ctx, pid, MSG_DEBUG, argv[1],
 931                             strlen(argv[1]) + 1);
 932 }
 933
 934 static bool do_winbind_online(struct tevent_context *ev_ctx,
 935                               struct messaging_context *msg_ctx,
 936                               const struct server_id pid,
 937                               const int argc, const char **argv)
 938 {
 939         TDB_CONTEXT *tdb;
 940
 941         if (argc != 1) {
 942                 fprintf(stderr, "Usage: smbcontrol winbindd online\n");
 943                 return False;
 944         }
 945
 946         /* Remove the entry in the winbindd_cache tdb to tell a later
 947            starting winbindd that we're online. */
 948
 949         tdb = tdb_open_log(state_path("winbindd_cache.tdb"), 0, TDB_DEFAULT, O_RDWR, 0600);
 950         if (!tdb) {
 951                 fprintf(stderr, "Cannot open the tdb %s for writing.\n",
 952                         state_path("winbindd_cache.tdb"));
 953                 return False;
 954         }
 955
 956         tdb_delete_bystring(tdb, "WINBINDD_OFFLINE");
 957         tdb_close(tdb);
 958
 959         return send_message(msg_ctx, pid, MSG_WINBIND_ONLINE, NULL, 0);
 960 }
 961
 962 static bool do_winbind_offline(struct tevent_context *ev_ctx,
 963                                struct messaging_context *msg_ctx,
 964                                const struct server_id pid,
 965                                const int argc, const char **argv)
 966 {
 967         TDB_CONTEXT *tdb;
 968         bool ret = False;
 969         int retry = 0;
 970
 971         if (argc != 1) {
 972                 fprintf(stderr, "Usage: smbcontrol winbindd offline\n");
 973                 return False;
 974         }
 975
 976         /* Create an entry in the winbindd_cache tdb to tell a later
 977            starting winbindd that we're offline. We may actually create
 978            it here... */
 979
 980         tdb = tdb_open_log(state_path("winbindd_cache.tdb"),
 981                                 WINBINDD_CACHE_TDB_DEFAULT_HASH_SIZE,
 982                                 TDB_DEFAULT|TDB_INCOMPATIBLE_HASH /* TDB_CLEAR_IF_FIRST */,
 983                                 O_RDWR|O_CREAT, 0600);
 984
 985         if (!tdb) {
 986                 fprintf(stderr, "Cannot open the tdb %s for writing.\n",
 987                         state_path("winbindd_cache.tdb"));
 988                 return False;
 989         }
 990
 991         /* There's a potential race condition that if a child
 992            winbindd detects a domain is online at the same time
 993            we're trying to tell it to go offline that it might
 994            delete the record we add between us adding it and
 995            sending the message. Minimize this by retrying up to
 996            5 times. */
 997
 998         for (retry = 0; retry < 5; retry++) {
 999                 TDB_DATA d;
1000                 uint8 buf[4];
1001
1002                 ZERO_STRUCT(d);
1003
1004                 SIVAL(buf, 0, time(NULL));
1005                 d.dptr = buf;
1006                 d.dsize = 4;
1007
1008                 tdb_store_bystring(tdb, "WINBINDD_OFFLINE", d, TDB_INSERT);
1009
1010                 ret = send_message(msg_ctx, pid, MSG_WINBIND_OFFLINE,
1011                                    NULL, 0);
1012
1013                 /* Check that the entry "WINBINDD_OFFLINE" still exists. */
1014                 d = tdb_fetch_bystring( tdb, "WINBINDD_OFFLINE" );
1015
1016                 if (!d.dptr || d.dsize != 4) {
1017                         SAFE_FREE(d.dptr);
1018                         DEBUG(10,("do_winbind_offline: offline state not set - retrying.\n"));
1019                 } else {
1020                         SAFE_FREE(d.dptr);
1021                         break;
1022                 }
1023         }
1024
1025         tdb_close(tdb);
1026         return ret;
1027 }
1028
1029 static bool do_winbind_onlinestatus(struct tevent_context *ev_ctx,
1030                                     struct messaging_context *msg_ctx,
1031                                     const struct server_id pid,
1032                                     const int argc, const char **argv)
1033 {
1034         struct server_id myid;
1035
1036         myid = messaging_server_id(msg_ctx);
1037
1038         if (argc != 1) {
1039                 fprintf(stderr, "Usage: smbcontrol winbindd onlinestatus\n");
1040                 return False;
1041         }
1042
1043         messaging_register(msg_ctx, NULL, MSG_WINBIND_ONLINESTATUS,
1044                            print_pid_string_cb);
1045
1046         if (!send_message(msg_ctx, pid, MSG_WINBIND_ONLINESTATUS, &myid,
1047                           sizeof(myid)))
1048                 return False;
1049
1050         wait_replies(ev_ctx, msg_ctx, procid_to_pid(&pid) == 0);
1051
1052         /* No replies were received within the timeout period */
1053
1054         if (num_replies == 0)
1055                 printf("No replies received\n");
1056
1057         messaging_deregister(msg_ctx, MSG_WINBIND_ONLINESTATUS, NULL);
1058
1059         return num_replies;
1060 }
1061
1062 static bool do_dump_event_list(struct tevent_context *ev_ctx,
1063                                struct messaging_context *msg_ctx,
1064                                const struct server_id pid,
1065                                const int argc, const char **argv)
1066 {
1067         struct server_id myid;
1068
1069         myid = messaging_server_id(msg_ctx);
1070
1071         if (argc != 1) {
1072                 fprintf(stderr, "Usage: smbcontrol <dest> dump-event-list\n");
1073                 return False;
1074         }
1075
1076         return send_message(msg_ctx, pid, MSG_DUMP_EVENT_LIST, NULL, 0);
1077 }
1078
1079 static bool do_winbind_dump_domain_list(struct tevent_context *ev_ctx,
1080                                         struct messaging_context *msg_ctx,
1081                                         const struct server_id pid,
1082                                         const int argc, const char **argv)
1083 {
1084         const char *domain = NULL;
1085         int domain_len = 0;
1086         struct server_id myid;
1087         uint8_t *buf = NULL;
1088         int buf_len = 0;
1089
1090         myid = messaging_server_id(msg_ctx);
1091
1092         if (argc < 1 || argc > 2) {
1093                 fprintf(stderr, "Usage: smbcontrol <dest> dump-domain-list "
1094                         "<domain>\n");
1095                 return false;
1096         }
1097
1098         if (argc == 2) {
1099                 domain = argv[1];
1100                 domain_len = strlen(argv[1]) + 1;
1101         }
1102
1103         messaging_register(msg_ctx, NULL, MSG_WINBIND_DUMP_DOMAIN_LIST,
1104                            print_pid_string_cb);
1105
1106         buf_len = sizeof(myid)+domain_len;
1107         buf = SMB_MALLOC_ARRAY(uint8_t, buf_len);
1108         if (!buf) {
1109                 return false;
1110         }
1111
1112         memcpy(buf, &myid, sizeof(myid));
1113         memcpy(&buf[sizeof(myid)], domain, domain_len);
1114
1115         if (!send_message(msg_ctx, pid, MSG_WINBIND_DUMP_DOMAIN_LIST,
1116                           buf, buf_len))
1117         {
1118                 SAFE_FREE(buf);
1119                 return false;
1120         }
1121
1122         wait_replies(ev_ctx, msg_ctx, procid_to_pid(&pid) == 0);
1123
1124         /* No replies were received within the timeout period */
1125
1126         SAFE_FREE(buf);
1127         if (num_replies == 0) {
1128                 printf("No replies received\n");
1129         }
1130
1131         messaging_deregister(msg_ctx, MSG_WINBIND_DUMP_DOMAIN_LIST, NULL);
1132
1133         return num_replies;
1134 }
1135
1136 static void winbind_validate_cache_cb(struct messaging_context *msg,
1137                                       void *private_data,
1138                                       uint32_t msg_type,
1139                                       struct server_id pid,
1140                                       DATA_BLOB *data)
1141 {
1142         char *src_string = server_id_str(NULL, &pid);
1143         printf("Winbindd cache is %svalid. (answer from pid %s)\n",
1144                (*(data->data) == 0 ? "" : "NOT "), src_string);
1145         TALLOC_FREE(src_string);
1146         num_replies++;
1147 }
1148
1149 static bool do_winbind_validate_cache(struct tevent_context *ev_ctx,
1150                                       struct messaging_context *msg_ctx,
1151                                       const struct server_id pid,
1152                                       const int argc, const char **argv)
1153 {
1154         struct server_id myid;
1155
1156         myid = messaging_server_id(msg_ctx);
1157
1158         if (argc != 1) {
1159                 fprintf(stderr, "Usage: smbcontrol winbindd validate-cache\n");
1160                 return False;
1161         }
1162
1163         messaging_register(msg_ctx, NULL, MSG_WINBIND_VALIDATE_CACHE,
1164                            winbind_validate_cache_cb);
1165
1166         if (!send_message(msg_ctx, pid, MSG_WINBIND_VALIDATE_CACHE, &myid,
1167                           sizeof(myid))) {
1168                 return False;
1169         }
1170
1171         wait_replies(ev_ctx, msg_ctx, procid_to_pid(&pid) == 0);
1172
1173         if (num_replies == 0) {
1174                 printf("No replies received\n");
1175         }
1176
1177         messaging_deregister(msg_ctx, MSG_WINBIND_VALIDATE_CACHE, NULL);
1178
1179         return num_replies;
1180 }
1181
1182 static bool do_reload_config(struct tevent_context *ev_ctx,
1183                              struct messaging_context *msg_ctx,
1184                              const struct server_id pid,
1185                              const int argc, const char **argv)
1186 {
1187         if (argc != 1) {
1188                 fprintf(stderr, "Usage: smbcontrol <dest> reload-config\n");
1189                 return False;
1190         }
1191
1192         return send_message(msg_ctx, pid, MSG_SMB_CONF_UPDATED, NULL, 0);
1193 }
1194
1195 static bool do_reload_printers(struct tevent_context *ev_ctx,
1196                                struct messaging_context *msg_ctx,
1197                                const struct server_id pid,
1198                                const int argc, const char **argv)
1199 {
1200         if (argc != 1) {
1201                 fprintf(stderr, "Usage: smbcontrol <dest> reload-printers\n");
1202                 return False;
1203         }
1204
1205         return send_message(msg_ctx, pid, MSG_PRINTER_PCAP, NULL, 0);
1206 }
1207
1208 static void my_make_nmb_name( struct nmb_name *n, const char *name, int type)
1209 {
1210         fstring unix_name;
1211         memset( (char *)n, '\0', sizeof(struct nmb_name) );
1212         fstrcpy(unix_name, name);
1213         strupper_m(unix_name);
1214         push_ascii(n->name, unix_name, sizeof(n->name), STR_TERMINATE);
1215         n->name_type = (unsigned int)type & 0xFF;
1216         push_ascii(n->scope,  lp_netbios_scope(), 64, STR_TERMINATE);
1217 }
1218
1219 static bool do_nodestatus(struct tevent_context *ev_ctx,
1220                           struct messaging_context *msg_ctx,
1221                           const struct server_id pid,
1222                           const int argc, const char **argv)
1223 {
1224         struct packet_struct p;
1225
1226         if (argc != 2) {
1227                 fprintf(stderr, "Usage: smbcontrol nmbd nodestatus <ip>\n");
1228                 return False;
1229         }
1230
1231         ZERO_STRUCT(p);
1232
1233         p.ip = interpret_addr2(argv[1]);
1234         p.port = 137;
1235         p.packet_type = NMB_PACKET;
1236
1237         p.packet.nmb.header.name_trn_id = 10;
1238         p.packet.nmb.header.opcode = 0;
1239         p.packet.nmb.header.response = False;
1240         p.packet.nmb.header.nm_flags.bcast = False;
1241         p.packet.nmb.header.nm_flags.recursion_available = False;
1242         p.packet.nmb.header.nm_flags.recursion_desired = False;
1243         p.packet.nmb.header.nm_flags.trunc = False;
1244         p.packet.nmb.header.nm_flags.authoritative = False;
1245         p.packet.nmb.header.rcode = 0;
1246         p.packet.nmb.header.qdcount = 1;
1247         p.packet.nmb.header.ancount = 0;
1248         p.packet.nmb.header.nscount = 0;
1249         p.packet.nmb.header.arcount = 0;
1250         my_make_nmb_name(&p.packet.nmb.question.question_name, "*", 0x00);
1251         p.packet.nmb.question.question_type = 0x21;
1252         p.packet.nmb.question.question_class = 0x1;
1253
1254         return send_message(msg_ctx, pid, MSG_SEND_PACKET, &p, sizeof(p));
1255 }
1256
1257 /* A list of message type supported */
1258
1259 static const struct {
1260         const char *name;       /* Option name */
1261         bool (*fn)(struct tevent_context *ev_ctx,
1262                    struct messaging_context *msg_ctx,
1263                    const struct server_id pid,
1264                    const int argc, const char **argv);
1265         const char *help;       /* Short help text */
1266 } msg_types[] = {
1267         { "debug", do_debug, "Set debuglevel"  },
1268         { "idmap", do_idmap, "Manipulate idmap cache" },
1269         { "force-election", do_election,
1270           "Force a browse election" },
1271         { "ping", do_ping, "Elicit a response" },
1272         { "profile", do_profile, "" },
1273         { "inject", do_inject_fault,
1274             "Inject a fatal signal into a running smbd"},
1275         { "stacktrace", do_daemon_stack_trace,
1276             "Display a stack trace of a daemon" },
1277         { "profilelevel", do_profilelevel, "" },
1278         { "debuglevel", do_debuglevel, "Display current debuglevels" },
1279         { "printnotify", do_printnotify, "Send a print notify message" },
1280         { "close-share", do_closeshare, "Forcibly disconnect a share" },
1281         { "ip-dropped", do_ip_dropped, "Tell winbind that an IP got dropped" },
1282         { "lockretry", do_lockretry, "Force a blocking lock retry" },
1283         { "brl-revalidate", do_brl_revalidate, "Revalidate all brl entries" },
1284         { "pool-usage", do_poolusage, "Display talloc memory usage" },
1285         { "dmalloc-mark", do_dmalloc_mark, "" },
1286         { "dmalloc-log-changed", do_dmalloc_changed, "" },
1287         { "shutdown", do_shutdown, "Shut down daemon" },
1288         { "drvupgrade", do_drvupgrade, "Notify a printer driver has changed" },
1289         { "reload-config", do_reload_config, "Force smbd or winbindd to reload config file"},
1290         { "reload-printers", do_reload_printers, "Force smbd to reload printers"},
1291         { "nodestatus", do_nodestatus, "Ask nmbd to do a node status request"},
1292         { "online", do_winbind_online, "Ask winbind to go into online state"},
1293         { "offline", do_winbind_offline, "Ask winbind to go into offline state"},
1294         { "onlinestatus", do_winbind_onlinestatus, "Request winbind online status"},
1295         { "dump-event-list", do_dump_event_list, "Dump event list"},
1296         { "validate-cache" , do_winbind_validate_cache,
1297           "Validate winbind's credential cache" },
1298         { "dump-domain-list", do_winbind_dump_domain_list, "Dump winbind domain list"},
1299         { "noop", do_noop, "Do nothing" },
1300         { NULL }
1301 };
1302
1303 /* Display usage information */
1304
1305 static void usage(poptContext pc)
1306 {
1307         int i;
1308
1309         poptPrintHelp(pc, stderr, 0);
1310
1311         fprintf(stderr, "\n");
1312         fprintf(stderr, "<destination> is one of \"nmbd\", \"smbd\", \"winbindd\" or a "
1313                 "process ID\n");
1314
1315         fprintf(stderr, "\n");
1316         fprintf(stderr, "<message-type> is one of:\n");
1317
1318         for (i = 0; msg_types[i].name; i++)
1319             fprintf(stderr, "\t%-30s%s\n", msg_types[i].name,
1320                     msg_types[i].help);
1321
1322         fprintf(stderr, "\n");
1323
1324         exit(1);
1325 }
1326
1327 /* Return the pid number for a string destination */
1328
1329 static struct server_id parse_dest(struct messaging_context *msg,
1330                                    const char *dest)
1331 {
1332         struct server_id result = {-1};
1333         pid_t pid;
1334
1335         /* Zero is a special return value for broadcast to all processes */
1336
1337         if (strequal(dest, "all")) {
1338                 return interpret_pid(MSG_BROADCAST_PID_STR);
1339         }
1340
1341         /* Try self - useful for testing */
1342
1343         if (strequal(dest, "self")) {
1344                 return messaging_server_id(msg);
1345         }
1346
1347         /* Fix winbind typo. */
1348         if (strequal(dest, "winbind")) {
1349                 dest = "winbindd";
1350         }
1351
1352         /* Check for numeric pid number */
1353         result = interpret_pid(dest);
1354
1355         /* Zero isn't valid if not "all". */
1356         if (result.pid && procid_valid(&result)) {
1357                 return result;
1358         }
1359
1360         /* Look up other destinations in pidfile directory */
1361
1362         if ((pid = pidfile_pid(dest)) != 0) {
1363                 return pid_to_procid(pid);
1364         }
1365
1366         fprintf(stderr,"Can't find pid for destination '%s'\n", dest);
1367
1368         return result;
1369 }
1370
1371 /* Execute smbcontrol command */
1372
1373 static bool do_command(struct tevent_context *ev_ctx,
1374                        struct messaging_context *msg_ctx,
1375                        int argc, const char **argv)
1376 {
1377         const char *dest = argv[0], *command = argv[1];
1378         struct server_id pid;
1379         int i;
1380
1381         /* Check destination */
1382
1383         pid = parse_dest(msg_ctx, dest);
1384         if (!procid_valid(&pid)) {
1385                 return False;
1386         }
1387
1388         /* Check command */
1389
1390         for (i = 0; msg_types[i].name; i++) {
1391                 if (strequal(command, msg_types[i].name))
1392                         return msg_types[i].fn(ev_ctx, msg_ctx, pid,
1393                                                argc - 1, argv + 1);
1394         }
1395
1396         fprintf(stderr, "smbcontrol: unknown command '%s'\n", command);
1397
1398         return False;
1399 }
1400
1401 static void smbcontrol_help(poptContext pc,
1402                     enum poptCallbackReason preason,
1403                     struct poptOption * poption,
1404                     const char * parg,
1405                     void * pdata)
1406 {
1407         if (poption->shortName != '?') {
1408                 poptPrintUsage(pc, stdout, 0);
1409         } else {
1410                 usage(pc);
1411         }
1412
1413         exit(0);
1414 }
1415
1416 struct poptOption help_options[] = {
1417         { NULL, '\0', POPT_ARG_CALLBACK, (void *)&smbcontrol_help, '\0',
1418           NULL, NULL },
1419         { "help", '?', 0, NULL, '?', "Show this help message", NULL },
1420         { "usage", '\0', 0, NULL, 'u', "Display brief usage message", NULL },
1421         { NULL }
1422 } ;
1423
1424 /* Main program */
1425
1426 int main(int argc, const char **argv)
1427 {
1428         poptContext pc;
1429         int opt;
1430         struct tevent_context *evt_ctx;
1431         struct messaging_context *msg_ctx;
1432
1433         static struct poptOption long_options[] = {
1434                 /* POPT_AUTOHELP */
1435                 { NULL, '\0', POPT_ARG_INCLUDE_TABLE, help_options,
1436                                         0, "Help options:", NULL },
1437                 { "timeout", 't', POPT_ARG_INT, &timeout, 't',
1438                   "Set timeout value in seconds", "TIMEOUT" },
1439
1440                 POPT_COMMON_SAMBA
1441                 POPT_TABLEEND
1442         };
1443         TALLOC_CTX *frame = talloc_stackframe();
1444         int ret = 0;
1445
1446         load_case_tables();
1447
1448         setup_logging(argv[0], DEBUG_STDOUT);
1449
1450         /* Parse command line arguments using popt */
1451
1452         pc = poptGetContext(
1453                 "smbcontrol", argc, (const char **)argv, long_options, 0);
1454
1455         poptSetOtherOptionHelp(pc, "[OPTION...] <destination> <message-type> "
1456                                "<parameters>");
1457
1458         if (argc == 1)
1459                 usage(pc);
1460
1461         while ((opt = poptGetNextOpt(pc)) != -1) {
1462                 switch(opt) {
1463                 case 't':       /* --timeout */
1464                         break;
1465                 default:
1466                         fprintf(stderr, "Invalid option\n");
1467                         poptPrintHelp(pc, stderr, 0);
1468                         break;
1469                 }
1470         }
1471
1472         /* We should now have the remaining command line arguments in
1473            argv.  The argc parameter should have been decremented to the
1474            correct value in the above switch statement. */
1475
1476         argv = (const char **)poptGetArgs(pc);
1477         argc = 0;
1478         if (argv != NULL) {
1479                 while (argv[argc] != NULL) {
1480                         argc++;
1481                 }
1482         }
1483
1484         if (argc <= 1)
1485                 usage(pc);
1486
1487         lp_load_global(get_dyn_CONFIGFILE());
1488
1489         /* Need to invert sense of return code -- samba
1490          * routines mostly return True==1 for success, but
1491          * shell needs 0. */
1492
1493         if (!(evt_ctx = tevent_context_init(NULL)) ||
1494             !(msg_ctx = messaging_init(NULL, evt_ctx))) {
1495                 fprintf(stderr, "could not init messaging context\n");
1496                 TALLOC_FREE(frame);
1497                 exit(1);
1498         }
1499
1500         ret = !do_command(evt_ctx, msg_ctx, argc, argv);
1501         TALLOC_FREE(frame);
1502         return ret;
1503 }