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 "lib/util/server_id.h"
  29 #include "popt_common.h"
  30 #include "librpc/gen_ndr/spoolss.h"
  31 #include "nt_printing.h"
  32 #include "printing/notify.h"
  33 #include "libsmb/nmblib.h"
  34 #include "messages.h"
  35 #include "util_tdb.h"
  36 #include "../lib/util/pidfile.h"
  37 #include "serverid.h"
  38
  39 #if HAVE_LIBUNWIND_H
  40 #include <libunwind.h>
  41 #endif
  42
  43 #if HAVE_LIBUNWIND_PTRACE_H
  44 #include <libunwind-ptrace.h>
  45 #endif
  46
  47 #if HAVE_SYS_PTRACE_H
  48 #include <sys/ptrace.h>
  49 #endif
  50
  51 /* Default timeout value when waiting for replies (in seconds) */
  52
  53 #define DEFAULT_TIMEOUT 10
  54
  55 static int timeout = DEFAULT_TIMEOUT;
  56 static int num_replies;         /* Used by message callback fns */
  57
  58 /* Send a message to a destination pid.  Zero means broadcast smbd. */
  59
  60 static bool send_message(struct messaging_context *msg_ctx,
  61                          struct server_id pid, int msg_type,
  62                          const void *buf, int len)
  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_t *)buf, len));
  68
  69         messaging_send_all(msg_ctx, msg_type, buf, len);
  70
  71         return true;
  72 }
  73
  74 static void smbcontrol_timeout(struct tevent_context *event_ctx,
  75                                struct tevent_timer *te,
  76                                struct timeval now,
  77                                void *private_data)
  78 {
  79         bool *timed_out = (bool *)private_data;
  80         TALLOC_FREE(te);
  81         *timed_out = True;
  82 }
  83
  84 /* Wait for one or more reply messages */
  85
  86 static void wait_replies(struct tevent_context *ev_ctx,
  87                          struct messaging_context *msg_ctx,
  88                          bool multiple_replies)
  89 {
  90         struct tevent_timer *te;
  91         bool timed_out = False;
  92
  93         te = tevent_add_timer(ev_ctx, NULL,
  94                               timeval_current_ofs(timeout, 0),
  95                               smbcontrol_timeout, (void *)&timed_out);
  96         if (te == NULL) {
  97                 DEBUG(0, ("tevent_add_timer failed\n"));
  98                 return;
  99         }
 100
 101         while (!timed_out) {
 102                 int ret;
 103                 if (num_replies > 0 && !multiple_replies)
 104                         break;
 105                 ret = tevent_loop_once(ev_ctx);
 106                 if (ret != 0) {
 107                         break;
 108                 }
 109         }
 110 }
 111
 112 /* Message handler callback that displays the PID and a string on stdout */
 113
 114 static void print_pid_string_cb(struct messaging_context *msg,
 115                                 void *private_data,
 116                                 uint32_t msg_type,
 117                                 struct server_id pid,
 118                                 DATA_BLOB *data)
 119 {
 120         struct server_id_buf pidstr;
 121
 122         printf("PID %s: %.*s", server_id_str_buf(pid, &pidstr),
 123                (int)data->length, (const char *)data->data);
 124         num_replies++;
 125 }
 126
 127 /* Message handler callback that displays a string on stdout */
 128
 129 static void print_string_cb(struct messaging_context *msg,
 130                             void *private_data,
 131                             uint32_t msg_type,
 132                             struct server_id pid,
 133                             DATA_BLOB *data)
 134 {
 135         printf("%*s", (int)data->length, (const char *)data->data);
 136         num_replies++;
 137 }
 138
 139 /* Send no message.  Useful for testing. */
 140
 141 static bool do_noop(struct tevent_context *ev_ctx,
 142                     struct messaging_context *msg_ctx,
 143                     const struct server_id pid,
 144                     const int argc, const char **argv)
 145 {
 146         if (argc != 1) {
 147                 fprintf(stderr, "Usage: smbcontrol <dest> noop\n");
 148                 return False;
 149         }
 150
 151         /* Move along, nothing to see here */
 152
 153         return True;
 154 }
 155
 156 /* Send a debug string */
 157
 158 static bool do_debug(struct tevent_context *ev_ctx,
 159                      struct messaging_context *msg_ctx,
 160                      const struct server_id pid,
 161                      const int argc, const char **argv)
 162 {
 163         if (argc != 2) {
 164                 fprintf(stderr, "Usage: smbcontrol <dest> debug "
 165                         "<debug-string>\n");
 166                 return False;
 167         }
 168
 169         return send_message(msg_ctx, pid, MSG_DEBUG, argv[1],
 170                             strlen(argv[1]) + 1);
 171 }
 172
 173
 174 static bool do_idmap(struct tevent_context *ev,
 175                      struct messaging_context *msg_ctx,
 176                      const struct server_id pid,
 177                      const int argc, const char **argv)
 178 {
 179         static const char* usage = "Usage: "
 180                 "smbcontrol <dest> idmap <cmd> [arg]\n"
 181                 "\tcmd:"
 182                 "\tdelete \"UID <uid>\"|\"GID <gid>\"|<sid>\n"
 183                 "\t\tkill \"UID <uid>\"|\"GID <gid>\"|<sid>\n";
 184         const char* arg = NULL;
 185         int arglen = 0;
 186         int msg_type;
 187
 188         switch (argc) {
 189         case 2:
 190                 break;
 191         case 3:
 192                 arg = argv[2];
 193                 arglen = strlen(arg) + 1;
 194                 break;
 195         default:
 196                 fprintf(stderr, "%s", usage);
 197                 return false;
 198         }
 199
 200         if (strcmp(argv[1], "delete") == 0) {
 201                 msg_type = ID_CACHE_DELETE;
 202         }
 203         else if (strcmp(argv[1], "kill") == 0) {
 204                 msg_type = ID_CACHE_KILL;
 205         }
 206         else if (strcmp(argv[1], "help") == 0) {
 207                 fprintf(stdout, "%s", usage);
 208                 return true;
 209         }
 210         else {
 211                 fprintf(stderr, "%s", usage);
 212                 return false;
 213         }
 214
 215         return send_message(msg_ctx, pid, msg_type, arg, arglen);
 216 }
 217
 218
 219 #if defined(HAVE_LIBUNWIND_PTRACE) && defined(HAVE_LINUX_PTRACE)
 220
 221 /* Return the name of a process given it's PID. This will only work on Linux,
 222  * but that's probably moot since this whole stack tracing implementation is
 223  * Linux-specific anyway.
 224  */
 225 static const char * procname(pid_t pid, char * buf, size_t bufsz)
 226 {
 227         char path[64];
 228         FILE * fp;
 229
 230         snprintf(path, sizeof(path), "/proc/%llu/cmdline",
 231                 (unsigned long long)pid);
 232         if ((fp = fopen(path, "r")) == NULL) {
 233                 return NULL;
 234         }
 235
 236         fgets(buf, bufsz, fp);
 237
 238         fclose(fp);
 239         return buf;
 240 }
 241
 242 static void print_stack_trace(pid_t pid, int * count)
 243 {
 244         void *              pinfo = NULL;
 245         unw_addr_space_t    aspace = NULL;
 246         unw_cursor_t        cursor;
 247         unw_word_t          ip, sp;
 248
 249         char                nbuf[256];
 250         unw_word_t          off;
 251
 252         int ret;
 253
 254         if (ptrace(PTRACE_ATTACH, pid, NULL, NULL) < 0) {
 255                 fprintf(stderr,
 256                         "Failed to attach to process %llu: %s\n",
 257                         (unsigned long long)pid, strerror(errno));
 258                 return;
 259         }
 260
 261         /* Wait until the attach is complete. */
 262         waitpid(pid, NULL, 0);
 263
 264         if (((pinfo = _UPT_create(pid)) == NULL) ||
 265             ((aspace = unw_create_addr_space(&_UPT_accessors, 0)) == NULL)) {
 266                 /* Probably out of memory. */
 267                 fprintf(stderr,
 268                         "Unable to initialize stack unwind for process %llu\n",
 269                         (unsigned long long)pid);
 270                 goto cleanup;
 271         }
 272
 273         if ((ret = unw_init_remote(&cursor, aspace, pinfo))) {
 274                 fprintf(stderr,
 275                         "Unable to unwind stack for process %llu: %s\n",
 276                         (unsigned long long)pid, unw_strerror(ret));
 277                 goto cleanup;
 278         }
 279
 280         if (*count > 0) {
 281                 printf("\n");
 282         }
 283
 284         if (procname(pid, nbuf, sizeof(nbuf))) {
 285                 printf("Stack trace for process %llu (%s):\n",
 286                         (unsigned long long)pid, nbuf);
 287         } else {
 288                 printf("Stack trace for process %llu:\n",
 289                         (unsigned long long)pid);
 290         }
 291
 292         while (unw_step(&cursor) > 0) {
 293                 ip = sp = off = 0;
 294                 unw_get_reg(&cursor, UNW_REG_IP, &ip);
 295                 unw_get_reg(&cursor, UNW_REG_SP, &sp);
 296
 297                 ret = unw_get_proc_name(&cursor, nbuf, sizeof(nbuf), &off);
 298                 if (ret != 0 && ret != -UNW_ENOMEM) {
 299                         snprintf(nbuf, sizeof(nbuf), "<unknown symbol>");
 300                 }
 301                 printf("    %s + %#llx [ip=%#llx] [sp=%#llx]\n",
 302                         nbuf, (long long)off, (long long)ip,
 303                         (long long)sp);
 304         }
 305
 306         (*count)++;
 307
 308 cleanup:
 309         if (aspace) {
 310                 unw_destroy_addr_space(aspace);
 311         }
 312
 313         if (pinfo) {
 314                 _UPT_destroy(pinfo);
 315         }
 316
 317         ptrace(PTRACE_DETACH, pid, NULL, NULL);
 318 }
 319
 320 static int stack_trace_server(pid_t pid, void *priv)
 321 {
 322         print_stack_trace(pid, (int *)priv);
 323         return 0;
 324 }
 325
 326 static bool do_daemon_stack_trace(struct tevent_context *ev_ctx,
 327                                   struct messaging_context *msg_ctx,
 328                                   const struct server_id pid,
 329                                   const int argc, const char **argv)
 330 {
 331         pid_t   dest;
 332         int     count = 0;
 333
 334         if (argc != 1) {
 335                 fprintf(stderr, "Usage: smbcontrol <dest> stacktrace\n");
 336                 return False;
 337         }
 338
 339         dest = procid_to_pid(&pid);
 340
 341         if (dest != 0) {
 342                 /* It would be nice to be able to make sure that this PID is
 343                  * the PID of a smbd/winbind/nmbd process, not some random PID
 344                  * the user liked the look of. It doesn't seem like it's worth
 345                  * the effort at the moment, however.
 346                  */
 347                 print_stack_trace(dest, &count);
 348         } else {
 349                 messaging_dgm_forall(stack_trace_server, &count);
 350         }
 351
 352         return True;
 353 }
 354
 355 #else /* defined(HAVE_LIBUNWIND_PTRACE) && defined(HAVE_LINUX_PTRACE) */
 356
 357 static bool do_daemon_stack_trace(struct tevent_context *ev_ctx,
 358                                   struct messaging_context *msg_ctx,
 359                                   const struct server_id pid,
 360                                   const int argc, const char **argv)
 361 {
 362         fprintf(stderr,
 363                 "Daemon stack tracing is not supported on this platform\n");
 364         return False;
 365 }
 366
 367 #endif /* defined(HAVE_LIBUNWIND_PTRACE) && defined(HAVE_LINUX_PTRACE) */
 368
 369 /* Inject a fault (fatal signal) into a running smbd */
 370
 371 static bool do_inject_fault(struct tevent_context *ev_ctx,
 372                             struct messaging_context *msg_ctx,
 373                             const struct server_id pid,
 374                             const int argc, const char **argv)
 375 {
 376         if (argc != 2) {
 377                 fprintf(stderr, "Usage: smbcontrol <dest> inject "
 378                         "<bus|hup|term|internal|segv>\n");
 379                 return False;
 380         }
 381
 382 #ifndef DEVELOPER
 383         fprintf(stderr, "Fault injection is only available in "
 384                 "developer builds\n");
 385         return False;
 386 #else /* DEVELOPER */
 387         {
 388                 int sig = 0;
 389
 390                 if (strcmp(argv[1], "bus") == 0) {
 391                         sig = SIGBUS;
 392                 } else if (strcmp(argv[1], "hup") == 0) {
 393                         sig = SIGHUP;
 394                 } else if (strcmp(argv[1], "term") == 0) {
 395                         sig = SIGTERM;
 396                 } else if (strcmp(argv[1], "segv") == 0) {
 397                         sig = SIGSEGV;
 398                 } else if (strcmp(argv[1], "internal") == 0) {
 399                         /* Force an internal error, ie. an unclean exit. */
 400                         sig = -1;
 401                 } else {
 402                         fprintf(stderr, "Unknown signal name '%s'\n", argv[1]);
 403                         return False;
 404                 }
 405
 406                 return send_message(msg_ctx, pid, MSG_SMB_INJECT_FAULT,
 407                                     &sig, sizeof(int));
 408         }
 409 #endif /* DEVELOPER */
 410 }
 411
 412 /* Force a browser election */
 413
 414 static bool do_election(struct tevent_context *ev_ctx,
 415                         struct messaging_context *msg_ctx,
 416                         const struct server_id pid,
 417                         const int argc, const char **argv)
 418 {
 419         if (argc != 1) {
 420                 fprintf(stderr, "Usage: smbcontrol <dest> force-election\n");
 421                 return False;
 422         }
 423
 424         return send_message(msg_ctx, pid, MSG_FORCE_ELECTION, NULL, 0);
 425 }
 426
 427 /* Ping a samba daemon process */
 428
 429 static void pong_cb(struct messaging_context *msg,
 430                     void *private_data,
 431                     uint32_t msg_type,
 432                     struct server_id pid,
 433                     DATA_BLOB *data)
 434 {
 435         struct server_id_buf src_string;
 436         printf("PONG from pid %s\n", server_id_str_buf(pid, &src_string));
 437         num_replies++;
 438 }
 439
 440 static bool do_ping(struct tevent_context *ev_ctx,
 441                     struct messaging_context *msg_ctx,
 442                     const struct server_id pid,
 443                     const int argc, const char **argv)
 444 {
 445         if (argc != 1) {
 446                 fprintf(stderr, "Usage: smbcontrol <dest> ping\n");
 447                 return False;
 448         }
 449
 450         /* Send a message and register our interest in a reply */
 451
 452         if (!send_message(msg_ctx, pid, MSG_PING, NULL, 0))
 453                 return False;
 454
 455         messaging_register(msg_ctx, NULL, MSG_PONG, pong_cb);
 456
 457         wait_replies(ev_ctx, msg_ctx, procid_to_pid(&pid) == 0);
 458
 459         /* No replies were received within the timeout period */
 460
 461         if (num_replies == 0)
 462                 printf("No replies received\n");
 463
 464         messaging_deregister(msg_ctx, MSG_PONG, NULL);
 465
 466         return num_replies;
 467 }
 468
 469 /* Set profiling options */
 470
 471 static bool do_profile(struct tevent_context *ev_ctx,
 472                        struct messaging_context *msg_ctx,
 473                        const struct server_id pid,
 474                        const int argc, const char **argv)
 475 {
 476         int v;
 477
 478         if (argc != 2) {
 479                 fprintf(stderr, "Usage: smbcontrol <dest> profile "
 480                         "<off|count|on|flush>\n");
 481                 return False;
 482         }
 483
 484         if (strcmp(argv[1], "off") == 0) {
 485                 v = 0;
 486         } else if (strcmp(argv[1], "count") == 0) {
 487                 v = 1;
 488         } else if (strcmp(argv[1], "on") == 0) {
 489                 v = 2;
 490         } else if (strcmp(argv[1], "flush") == 0) {
 491                 v = 3;
 492         } else {
 493                 fprintf(stderr, "Unknown profile command '%s'\n", argv[1]);
 494                 return False;
 495         }
 496
 497         return send_message(msg_ctx, pid, MSG_PROFILE, &v, sizeof(int));
 498 }
 499
 500 /* Return the profiling level */
 501
 502 static void profilelevel_cb(struct messaging_context *msg_ctx,
 503                             void *private_data,
 504                             uint32_t msg_type,
 505                             struct server_id pid,
 506                             DATA_BLOB *data)
 507 {
 508         int level;
 509         const char *s;
 510
 511         num_replies++;
 512
 513         if (data->length != sizeof(int)) {
 514                 fprintf(stderr, "invalid message length %ld returned\n",
 515                         (unsigned long)data->length);
 516                 return;
 517         }
 518
 519         memcpy(&level, data->data, sizeof(int));
 520
 521         switch (level) {
 522         case 0:
 523                 s = "not enabled";
 524                 break;
 525         case 1:
 526                 s = "off";
 527                 break;
 528         case 3:
 529                 s = "count only";
 530                 break;
 531         case 7:
 532                 s = "count and time";
 533                 break;
 534         default:
 535                 s = "BOGUS";
 536                 break;
 537         }
 538
 539         printf("Profiling %s on pid %u\n",s,(unsigned int)procid_to_pid(&pid));
 540 }
 541
 542 static void profilelevel_rqst(struct messaging_context *msg_ctx,
 543                               void *private_data,
 544                               uint32_t msg_type,
 545                               struct server_id pid,
 546                               DATA_BLOB *data)
 547 {
 548         int v = 0;
 549
 550         /* Send back a dummy reply */
 551
 552         send_message(msg_ctx, pid, MSG_PROFILELEVEL, &v, sizeof(int));
 553 }
 554
 555 static bool do_profilelevel(struct tevent_context *ev_ctx,
 556                             struct messaging_context *msg_ctx,
 557                             const struct server_id pid,
 558                             const int argc, const char **argv)
 559 {
 560         if (argc != 1) {
 561                 fprintf(stderr, "Usage: smbcontrol <dest> profilelevel\n");
 562                 return False;
 563         }
 564
 565         /* Send a message and register our interest in a reply */
 566
 567         if (!send_message(msg_ctx, pid, MSG_REQ_PROFILELEVEL, NULL, 0))
 568                 return False;
 569
 570         messaging_register(msg_ctx, NULL, MSG_PROFILELEVEL, profilelevel_cb);
 571         messaging_register(msg_ctx, NULL, MSG_REQ_PROFILELEVEL,
 572                            profilelevel_rqst);
 573
 574         wait_replies(ev_ctx, msg_ctx, procid_to_pid(&pid) == 0);
 575
 576         /* No replies were received within the timeout period */
 577
 578         if (num_replies == 0)
 579                 printf("No replies received\n");
 580
 581         messaging_deregister(msg_ctx, MSG_PROFILE, NULL);
 582
 583         return num_replies;
 584 }
 585
 586 /* Display debug level settings */
 587
 588 static bool do_debuglevel(struct tevent_context *ev_ctx,
 589                           struct messaging_context *msg_ctx,
 590                           const struct server_id pid,
 591                           const int argc, const char **argv)
 592 {
 593         if (argc != 1) {
 594                 fprintf(stderr, "Usage: smbcontrol <dest> debuglevel\n");
 595                 return False;
 596         }
 597
 598         /* Send a message and register our interest in a reply */
 599
 600         if (!send_message(msg_ctx, pid, MSG_REQ_DEBUGLEVEL, NULL, 0))
 601                 return False;
 602
 603         messaging_register(msg_ctx, NULL, MSG_DEBUGLEVEL, print_pid_string_cb);
 604
 605         wait_replies(ev_ctx, msg_ctx, procid_to_pid(&pid) == 0);
 606
 607         /* No replies were received within the timeout period */
 608
 609         if (num_replies == 0)
 610                 printf("No replies received\n");
 611
 612         messaging_deregister(msg_ctx, MSG_DEBUGLEVEL, NULL);
 613
 614         return num_replies;
 615 }
 616
 617 /* Send a print notify message */
 618
 619 static bool do_printnotify(struct tevent_context *ev_ctx,
 620                            struct messaging_context *msg_ctx,
 621                            const struct server_id pid,
 622                            const int argc, const char **argv)
 623 {
 624         const char *cmd;
 625
 626         /* Check for subcommand */
 627
 628         if (argc == 1) {
 629                 fprintf(stderr, "Must specify subcommand:\n");
 630                 fprintf(stderr, "\tqueuepause <printername>\n");
 631                 fprintf(stderr, "\tqueueresume <printername>\n");
 632                 fprintf(stderr, "\tjobpause <printername> <unix jobid>\n");
 633                 fprintf(stderr, "\tjobresume <printername> <unix jobid>\n");
 634                 fprintf(stderr, "\tjobdelete <printername> <unix jobid>\n");
 635                 fprintf(stderr, "\tprinter <printername> <comment|port|"
 636                         "driver> <value>\n");
 637
 638                 return False;
 639         }
 640
 641         cmd = argv[1];
 642
 643         if (strcmp(cmd, "queuepause") == 0) {
 644
 645                 if (argc != 3) {
 646                         fprintf(stderr, "Usage: smbcontrol <dest> printnotify"
 647                                 " queuepause <printername>\n");
 648                         return False;
 649                 }
 650
 651                 notify_printer_status_byname(ev_ctx, msg_ctx, argv[2],
 652                                              PRINTER_STATUS_PAUSED);
 653
 654                 goto send;
 655
 656         } else if (strcmp(cmd, "queueresume") == 0) {
 657
 658                 if (argc != 3) {
 659                         fprintf(stderr, "Usage: smbcontrol <dest> printnotify"
 660                                 " queuereume <printername>\n");
 661                         return False;
 662                 }
 663
 664                 notify_printer_status_byname(ev_ctx, msg_ctx, argv[2],
 665                                              PRINTER_STATUS_OK);
 666
 667                 goto send;
 668
 669         } else if (strcmp(cmd, "jobpause") == 0) {
 670                 int jobid;
 671
 672                 if (argc != 4) {
 673                         fprintf(stderr, "Usage: smbcontrol <dest> printnotify"
 674                                 " jobpause <printername> <unix-jobid>\n");
 675                         return False;
 676                 }
 677
 678                 jobid = atoi(argv[3]);
 679
 680                 notify_job_status_byname(
 681                         ev_ctx, msg_ctx,
 682                         argv[2], jobid, JOB_STATUS_PAUSED,
 683                         SPOOLSS_NOTIFY_MSG_UNIX_JOBID);
 684
 685                 goto send;
 686
 687         } else if (strcmp(cmd, "jobresume") == 0) {
 688                 int jobid;
 689
 690                 if (argc != 4) {
 691                         fprintf(stderr, "Usage: smbcontrol <dest> printnotify"
 692                                 " jobpause <printername> <unix-jobid>\n");
 693                         return False;
 694                 }
 695
 696                 jobid = atoi(argv[3]);
 697
 698                 notify_job_status_byname(
 699                         ev_ctx, msg_ctx,
 700                         argv[2], jobid, JOB_STATUS_QUEUED,
 701                         SPOOLSS_NOTIFY_MSG_UNIX_JOBID);
 702
 703                 goto send;
 704
 705         } else if (strcmp(cmd, "jobdelete") == 0) {
 706                 int jobid;
 707
 708                 if (argc != 4) {
 709                         fprintf(stderr, "Usage: smbcontrol <dest> printnotify"
 710                                 " jobpause <printername> <unix-jobid>\n");
 711                         return False;
 712                 }
 713
 714                 jobid = atoi(argv[3]);
 715
 716                 notify_job_status_byname(
 717                         ev_ctx, msg_ctx,
 718                         argv[2], jobid, JOB_STATUS_DELETING,
 719                         SPOOLSS_NOTIFY_MSG_UNIX_JOBID);
 720
 721                 notify_job_status_byname(
 722                         ev_ctx, msg_ctx,
 723                         argv[2], jobid, JOB_STATUS_DELETING|
 724                         JOB_STATUS_DELETED,
 725                         SPOOLSS_NOTIFY_MSG_UNIX_JOBID);
 726
 727                 goto send;
 728
 729         } else if (strcmp(cmd, "printer") == 0) {
 730                 uint32_t attribute;
 731
 732                 if (argc != 5) {
 733                         fprintf(stderr, "Usage: smbcontrol <dest> printnotify "
 734                                 "printer <printername> <comment|port|driver> "
 735                                 "<value>\n");
 736                         return False;
 737                 }
 738
 739                 if (strcmp(argv[3], "comment") == 0) {
 740                         attribute = PRINTER_NOTIFY_FIELD_COMMENT;
 741                 } else if (strcmp(argv[3], "port") == 0) {
 742                         attribute = PRINTER_NOTIFY_FIELD_PORT_NAME;
 743                 } else if (strcmp(argv[3], "driver") == 0) {
 744                         attribute = PRINTER_NOTIFY_FIELD_DRIVER_NAME;
 745                 } else {
 746                         fprintf(stderr, "Invalid printer command '%s'\n",
 747                                 argv[3]);
 748                         return False;
 749                 }
 750
 751                 notify_printer_byname(ev_ctx, msg_ctx, argv[2], attribute,
 752                                       discard_const_p(char, argv[4]));
 753
 754                 goto send;
 755         }
 756
 757         fprintf(stderr, "Invalid subcommand '%s'\n", cmd);
 758         return False;
 759
 760 send:
 761         print_notify_send_messages(msg_ctx, 0);
 762         return True;
 763 }
 764
 765 /* Close a share */
 766
 767 static bool do_closeshare(struct tevent_context *ev_ctx,
 768                           struct messaging_context *msg_ctx,
 769                           const struct server_id pid,
 770                           const int argc, const char **argv)
 771 {
 772         if (argc != 2) {
 773                 fprintf(stderr, "Usage: smbcontrol <dest> close-share "
 774                         "<sharename>\n");
 775                 return False;
 776         }
 777
 778         return send_message(msg_ctx, pid, MSG_SMB_FORCE_TDIS, argv[1],
 779                             strlen(argv[1]) + 1);
 780 }
 781
 782 /* Kill a client by IP address */
 783 static bool do_kill_client_by_ip(struct tevent_context *ev_ctx,
 784                                  struct messaging_context *msg_ctx,
 785                                  const struct server_id pid,
 786                                  const int argc, const char **argv)
 787 {
 788         if (argc != 2) {
 789                 fprintf(stderr, "Usage: smbcontrol <dest> kill-client-ip "
 790                         "<IP address>\n");
 791                 return false;
 792         }
 793
 794         if (!is_ipaddress_v4(argv[1]) && !is_ipaddress_v6(argv[1])) {
 795                 fprintf(stderr, "%s is not a valid IP address!\n", argv[1]);
 796                 return false;
 797         }
 798
 799         return send_message(msg_ctx, pid, MSG_SMB_KILL_CLIENT_IP,
 800                             argv[1], strlen(argv[1]) + 1);
 801 }
 802
 803 /* Tell winbindd an IP got dropped */
 804
 805 static bool do_ip_dropped(struct tevent_context *ev_ctx,
 806                           struct messaging_context *msg_ctx,
 807                           const struct server_id pid,
 808                           const int argc, const char **argv)
 809 {
 810         if (argc != 2) {
 811                 fprintf(stderr, "Usage: smbcontrol <dest> ip-dropped "
 812                         "<ip-address>\n");
 813                 return False;
 814         }
 815
 816         return send_message(msg_ctx, pid, MSG_WINBIND_IP_DROPPED, argv[1],
 817                             strlen(argv[1]) + 1);
 818 }
 819
 820 /* force a blocking lock retry */
 821
 822 static bool do_lockretry(struct tevent_context *ev_ctx,
 823                          struct messaging_context *msg_ctx,
 824                          const struct server_id pid,
 825                          const int argc, const char **argv)
 826 {
 827         if (argc != 1) {
 828                 fprintf(stderr, "Usage: smbcontrol <dest> lockretry\n");
 829                 return False;
 830         }
 831
 832         return send_message(msg_ctx, pid, MSG_SMB_UNLOCK, NULL, 0);
 833 }
 834
 835 /* force a validation of all brl entries, including re-sends. */
 836
 837 static bool do_brl_revalidate(struct tevent_context *ev_ctx,
 838                               struct messaging_context *msg_ctx,
 839                               const struct server_id pid,
 840                               const int argc, const char **argv)
 841 {
 842         if (argc != 1) {
 843                 fprintf(stderr, "Usage: smbcontrol <dest> brl-revalidate\n");
 844                 return False;
 845         }
 846
 847         return send_message(msg_ctx, pid, MSG_SMB_BRL_VALIDATE, NULL, 0);
 848 }
 849
 850 /* Display talloc pool usage */
 851
 852 static bool do_poolusage(struct tevent_context *ev_ctx,
 853                          struct messaging_context *msg_ctx,
 854                          const struct server_id pid,
 855                          const int argc, const char **argv)
 856 {
 857         if (argc != 1) {
 858                 fprintf(stderr, "Usage: smbcontrol <dest> pool-usage\n");
 859                 return False;
 860         }
 861
 862         messaging_register(msg_ctx, NULL, MSG_POOL_USAGE, print_string_cb);
 863
 864         /* Send a message and register our interest in a reply */
 865
 866         if (!send_message(msg_ctx, pid, MSG_REQ_POOL_USAGE, NULL, 0))
 867                 return False;
 868
 869         wait_replies(ev_ctx, msg_ctx, procid_to_pid(&pid) == 0);
 870
 871         /* No replies were received within the timeout period */
 872
 873         if (num_replies == 0)
 874                 printf("No replies received\n");
 875
 876         messaging_deregister(msg_ctx, MSG_POOL_USAGE, NULL);
 877
 878         return num_replies;
 879 }
 880
 881 /* Fetch and print the ringbuf log */
 882
 883 static void print_ringbuf_log_cb(struct messaging_context *msg,
 884                                  void *private_data,
 885                                  uint32_t msg_type,
 886                                  struct server_id pid,
 887                                  DATA_BLOB *data)
 888 {
 889         printf("%s", (const char *)data->data);
 890         num_replies++;
 891 }
 892
 893 static bool do_ringbuflog(struct tevent_context *ev_ctx,
 894                           struct messaging_context *msg_ctx,
 895                           const struct server_id pid,
 896                           const int argc, const char **argv)
 897 {
 898         if (argc != 1) {
 899                 fprintf(stderr, "Usage: smbcontrol <dest> ringbuf-log\n");
 900                 return false;
 901         }
 902
 903         messaging_register(msg_ctx, NULL, MSG_RINGBUF_LOG,
 904                            print_ringbuf_log_cb);
 905
 906         /* Send a message and register our interest in a reply */
 907
 908         if (!send_message(msg_ctx, pid, MSG_REQ_RINGBUF_LOG, NULL, 0)) {
 909                 return false;
 910         }
 911
 912         wait_replies(ev_ctx, msg_ctx, procid_to_pid(&pid) == 0);
 913
 914         /* No replies were received within the timeout period */
 915
 916         if (num_replies == 0) {
 917                 printf("No replies received\n");
 918         }
 919
 920         messaging_deregister(msg_ctx, MSG_RINGBUF_LOG, NULL);
 921
 922         return num_replies != 0;
 923 }
 924
 925 /* Perform a dmalloc mark */
 926
 927 static bool do_dmalloc_mark(struct tevent_context *ev_ctx,
 928                             struct messaging_context *msg_ctx,
 929                             const struct server_id pid,
 930                             const int argc, const char **argv)
 931 {
 932         if (argc != 1) {
 933                 fprintf(stderr, "Usage: smbcontrol <dest> dmalloc-mark\n");
 934                 return False;
 935         }
 936
 937         return send_message(msg_ctx, pid, MSG_REQ_DMALLOC_MARK, NULL, 0);
 938 }
 939
 940 /* Perform a dmalloc changed */
 941
 942 static bool do_dmalloc_changed(struct tevent_context *ev_ctx,
 943                                struct messaging_context *msg_ctx,
 944                                const struct server_id pid,
 945                                const int argc, const char **argv)
 946 {
 947         if (argc != 1) {
 948                 fprintf(stderr, "Usage: smbcontrol <dest> "
 949                         "dmalloc-log-changed\n");
 950                 return False;
 951         }
 952
 953         return send_message(msg_ctx, pid, MSG_REQ_DMALLOC_LOG_CHANGED,
 954                             NULL, 0);
 955 }
 956
 957 static void print_uint32_cb(struct messaging_context *msg, void *private_data,
 958                             uint32_t msg_type, struct server_id pid,
 959                             DATA_BLOB *data)
 960 {
 961         uint32_t num_children;
 962
 963         if (data->length != sizeof(uint32_t)) {
 964                 printf("Invalid response: %d bytes long\n",
 965                        (int)data->length);
 966                 goto done;
 967         }
 968         num_children = IVAL(data->data, 0);
 969         printf("%u children\n", (unsigned)num_children);
 970 done:
 971         num_replies++;
 972 }
 973
 974 static bool do_num_children(struct tevent_context *ev_ctx,
 975                             struct messaging_context *msg_ctx,
 976                             const struct server_id pid,
 977                             const int argc, const char **argv)
 978 {
 979         if (argc != 1) {
 980                 fprintf(stderr, "Usage: smbcontrol <dest> num-children\n");
 981                 return False;
 982         }
 983
 984         messaging_register(msg_ctx, NULL, MSG_SMB_NUM_CHILDREN,
 985                            print_uint32_cb);
 986
 987         /* Send a message and register our interest in a reply */
 988
 989         if (!send_message(msg_ctx, pid, MSG_SMB_TELL_NUM_CHILDREN, NULL, 0))
 990                 return false;
 991
 992         wait_replies(ev_ctx, msg_ctx, procid_to_pid(&pid) == 0);
 993
 994         /* No replies were received within the timeout period */
 995
 996         if (num_replies == 0)
 997                 printf("No replies received\n");
 998
 999         messaging_deregister(msg_ctx, MSG_SMB_NUM_CHILDREN, NULL);
1000
1001         return num_replies;
1002 }
1003
1004 static bool do_msg_cleanup(struct tevent_context *ev_ctx,
1005                            struct messaging_context *msg_ctx,
1006                            const struct server_id pid,
1007                            const int argc, const char **argv)
1008 {
1009         int ret;
1010
1011         ret = messaging_cleanup(msg_ctx, pid.pid);
1012
1013         printf("cleanup(%u) returned %s\n", (unsigned)pid.pid,
1014                ret ? strerror(ret) : "ok");
1015
1016         return (ret == 0);
1017 }
1018
1019 /* Shutdown a server process */
1020
1021 static bool do_shutdown(struct tevent_context *ev_ctx,
1022                         struct messaging_context *msg_ctx,
1023                         const struct server_id pid,
1024                         const int argc, const char **argv)
1025 {
1026         if (argc != 1) {
1027                 fprintf(stderr, "Usage: smbcontrol <dest> shutdown\n");
1028                 return False;
1029         }
1030
1031         return send_message(msg_ctx, pid, MSG_SHUTDOWN, NULL, 0);
1032 }
1033
1034 /* Notify a driver upgrade */
1035
1036 static bool do_drvupgrade(struct tevent_context *ev_ctx,
1037                           struct messaging_context *msg_ctx,
1038                           const struct server_id pid,
1039                           const int argc, const char **argv)
1040 {
1041         if (argc != 2) {
1042                 fprintf(stderr, "Usage: smbcontrol <dest> drvupgrade "
1043                         "<driver-name>\n");
1044                 return False;
1045         }
1046
1047         return send_message(msg_ctx, pid, MSG_PRINTER_DRVUPGRADE, argv[1],
1048                             strlen(argv[1]) + 1);
1049 }
1050
1051 static bool do_winbind_online(struct tevent_context *ev_ctx,
1052                               struct messaging_context *msg_ctx,
1053                               const struct server_id pid,
1054                               const int argc, const char **argv)
1055 {
1056         TDB_CONTEXT *tdb;
1057         char *db_path;
1058
1059         if (argc != 1) {
1060                 fprintf(stderr, "Usage: smbcontrol winbindd online\n");
1061                 return False;
1062         }
1063
1064         db_path = state_path("winbindd_cache.tdb");
1065         if (db_path == NULL) {
1066                 return false;
1067         }
1068
1069         /* Remove the entry in the winbindd_cache tdb to tell a later
1070            starting winbindd that we're online. */
1071
1072         tdb = tdb_open_log(db_path, 0, TDB_DEFAULT, O_RDWR, 0600);
1073         if (!tdb) {
1074                 fprintf(stderr, "Cannot open the tdb %s for writing.\n",
1075                         db_path);
1076                 TALLOC_FREE(db_path);
1077                 return False;
1078         }
1079
1080         TALLOC_FREE(db_path);
1081         tdb_delete_bystring(tdb, "WINBINDD_OFFLINE");
1082         tdb_close(tdb);
1083
1084         return send_message(msg_ctx, pid, MSG_WINBIND_ONLINE, NULL, 0);
1085 }
1086
1087 static bool do_winbind_offline(struct tevent_context *ev_ctx,
1088                                struct messaging_context *msg_ctx,
1089                                const struct server_id pid,
1090                                const int argc, const char **argv)
1091 {
1092         TDB_CONTEXT *tdb;
1093         bool ret = False;
1094         int retry = 0;
1095         char *db_path;
1096
1097         if (argc != 1) {
1098                 fprintf(stderr, "Usage: smbcontrol winbindd offline\n");
1099                 return False;
1100         }
1101
1102         db_path = state_path("winbindd_cache.tdb");
1103         if (db_path == NULL) {
1104                 return false;
1105         }
1106
1107         /* Create an entry in the winbindd_cache tdb to tell a later
1108            starting winbindd that we're offline. We may actually create
1109            it here... */
1110
1111         tdb = tdb_open_log(db_path,
1112                                 WINBINDD_CACHE_TDB_DEFAULT_HASH_SIZE,
1113                                 TDB_DEFAULT|TDB_INCOMPATIBLE_HASH /* TDB_CLEAR_IF_FIRST */,
1114                                 O_RDWR|O_CREAT, 0600);
1115
1116         if (!tdb) {
1117                 fprintf(stderr, "Cannot open the tdb %s for writing.\n",
1118                         db_path);
1119                 TALLOC_FREE(db_path);
1120                 return False;
1121         }
1122         TALLOC_FREE(db_path);
1123
1124         /* There's a potential race condition that if a child
1125            winbindd detects a domain is online at the same time
1126            we're trying to tell it to go offline that it might
1127            delete the record we add between us adding it and
1128            sending the message. Minimize this by retrying up to
1129            5 times. */
1130
1131         for (retry = 0; retry < 5; retry++) {
1132                 uint8_t buf[4];
1133                 TDB_DATA d = { .dptr = buf, .dsize = sizeof(buf) };
1134
1135                 SIVAL(buf, 0, time(NULL));
1136
1137                 tdb_store_bystring(tdb, "WINBINDD_OFFLINE", d, TDB_INSERT);
1138
1139                 ret = send_message(msg_ctx, pid, MSG_WINBIND_OFFLINE,
1140                                    NULL, 0);
1141
1142                 /* Check that the entry "WINBINDD_OFFLINE" still exists. */
1143                 d = tdb_fetch_bystring( tdb, "WINBINDD_OFFLINE" );
1144
1145                 if (!d.dptr || d.dsize != 4) {
1146                         SAFE_FREE(d.dptr);
1147                         DEBUG(10,("do_winbind_offline: offline state not set - retrying.\n"));
1148                 } else {
1149                         SAFE_FREE(d.dptr);
1150                         break;
1151                 }
1152         }
1153
1154         tdb_close(tdb);
1155         return ret;
1156 }
1157
1158 static bool do_winbind_onlinestatus(struct tevent_context *ev_ctx,
1159                                     struct messaging_context *msg_ctx,
1160                                     const struct server_id pid,
1161                                     const int argc, const char **argv)
1162 {
1163         if (argc != 1) {
1164                 fprintf(stderr, "Usage: smbcontrol winbindd onlinestatus\n");
1165                 return False;
1166         }
1167
1168         messaging_register(msg_ctx, NULL, MSG_WINBIND_ONLINESTATUS,
1169                            print_pid_string_cb);
1170
1171         if (!send_message(msg_ctx, pid, MSG_WINBIND_ONLINESTATUS, NULL, 0)) {
1172                 return False;
1173         }
1174
1175         wait_replies(ev_ctx, msg_ctx, procid_to_pid(&pid) == 0);
1176
1177         /* No replies were received within the timeout period */
1178
1179         if (num_replies == 0)
1180                 printf("No replies received\n");
1181
1182         messaging_deregister(msg_ctx, MSG_WINBIND_ONLINESTATUS, NULL);
1183
1184         return num_replies;
1185 }
1186
1187 static bool do_winbind_dump_domain_list(struct tevent_context *ev_ctx,
1188                                         struct messaging_context *msg_ctx,
1189                                         const struct server_id pid,
1190                                         const int argc, const char **argv)
1191 {
1192         const char *domain = NULL;
1193         int domain_len = 0;
1194
1195         if (argc < 1 || argc > 2) {
1196                 fprintf(stderr, "Usage: smbcontrol <dest> dump-domain-list "
1197                         "<domain>\n");
1198                 return false;
1199         }
1200
1201         if (argc == 2) {
1202                 domain = argv[1];
1203                 domain_len = strlen(argv[1]) + 1;
1204         }
1205
1206         messaging_register(msg_ctx, NULL, MSG_WINBIND_DUMP_DOMAIN_LIST,
1207                            print_pid_string_cb);
1208
1209         if (!send_message(msg_ctx, pid, MSG_WINBIND_DUMP_DOMAIN_LIST,
1210                           domain, domain_len))
1211         {
1212                 return false;
1213         }
1214
1215         wait_replies(ev_ctx, msg_ctx, procid_to_pid(&pid) == 0);
1216
1217         /* No replies were received within the timeout period */
1218
1219         if (num_replies == 0) {
1220                 printf("No replies received\n");
1221         }
1222
1223         messaging_deregister(msg_ctx, MSG_WINBIND_DUMP_DOMAIN_LIST, NULL);
1224
1225         return num_replies;
1226 }
1227
1228 static void winbind_validate_cache_cb(struct messaging_context *msg,
1229                                       void *private_data,
1230                                       uint32_t msg_type,
1231                                       struct server_id pid,
1232                                       DATA_BLOB *data)
1233 {
1234         struct server_id_buf src_string;
1235         printf("Winbindd cache is %svalid. (answer from pid %s)\n",
1236                (*(data->data) == 0 ? "" : "NOT "),
1237                server_id_str_buf(pid, &src_string));
1238         num_replies++;
1239 }
1240
1241 static bool do_winbind_validate_cache(struct tevent_context *ev_ctx,
1242                                       struct messaging_context *msg_ctx,
1243                                       const struct server_id pid,
1244                                       const int argc, const char **argv)
1245 {
1246         struct server_id myid;
1247
1248         myid = messaging_server_id(msg_ctx);
1249
1250         if (argc != 1) {
1251                 fprintf(stderr, "Usage: smbcontrol winbindd validate-cache\n");
1252                 return False;
1253         }
1254
1255         messaging_register(msg_ctx, NULL, MSG_WINBIND_VALIDATE_CACHE,
1256                            winbind_validate_cache_cb);
1257
1258         if (!send_message(msg_ctx, pid, MSG_WINBIND_VALIDATE_CACHE, &myid,
1259                           sizeof(myid))) {
1260                 return False;
1261         }
1262
1263         wait_replies(ev_ctx, msg_ctx, procid_to_pid(&pid) == 0);
1264
1265         if (num_replies == 0) {
1266                 printf("No replies received\n");
1267         }
1268
1269         messaging_deregister(msg_ctx, MSG_WINBIND_VALIDATE_CACHE, NULL);
1270
1271         return num_replies;
1272 }
1273
1274 static bool do_reload_config(struct tevent_context *ev_ctx,
1275                              struct messaging_context *msg_ctx,
1276                              const struct server_id pid,
1277                              const int argc, const char **argv)
1278 {
1279         if (argc != 1) {
1280                 fprintf(stderr, "Usage: smbcontrol <dest> reload-config\n");
1281                 return False;
1282         }
1283
1284         return send_message(msg_ctx, pid, MSG_SMB_CONF_UPDATED, NULL, 0);
1285 }
1286
1287 static bool do_reload_printers(struct tevent_context *ev_ctx,
1288                                struct messaging_context *msg_ctx,
1289                                const struct server_id pid,
1290                                const int argc, const char **argv)
1291 {
1292         if (argc != 1) {
1293                 fprintf(stderr, "Usage: smbcontrol <dest> reload-printers\n");
1294                 return False;
1295         }
1296
1297         return send_message(msg_ctx, pid, MSG_PRINTER_PCAP, NULL, 0);
1298 }
1299
1300 static void my_make_nmb_name( struct nmb_name *n, const char *name, int type)
1301 {
1302         fstring unix_name;
1303         memset( (char *)n, '\0', sizeof(struct nmb_name) );
1304         fstrcpy(unix_name, name);
1305         (void)strupper_m(unix_name);
1306         push_ascii(n->name, unix_name, sizeof(n->name), STR_TERMINATE);
1307         n->name_type = (unsigned int)type & 0xFF;
1308         push_ascii(n->scope,  lp_netbios_scope(), 64, STR_TERMINATE);
1309 }
1310
1311 static bool do_nodestatus(struct tevent_context *ev_ctx,
1312                           struct messaging_context *msg_ctx,
1313                           const struct server_id pid,
1314                           const int argc, const char **argv)
1315 {
1316         struct packet_struct p;
1317
1318         if (argc != 2) {
1319                 fprintf(stderr, "Usage: smbcontrol nmbd nodestatus <ip>\n");
1320                 return False;
1321         }
1322
1323         ZERO_STRUCT(p);
1324
1325         p.ip = interpret_addr2(argv[1]);
1326         p.port = 137;
1327         p.packet_type = NMB_PACKET;
1328
1329         p.packet.nmb.header.name_trn_id = 10;
1330         p.packet.nmb.header.opcode = 0;
1331         p.packet.nmb.header.response = False;
1332         p.packet.nmb.header.nm_flags.bcast = False;
1333         p.packet.nmb.header.nm_flags.recursion_available = False;
1334         p.packet.nmb.header.nm_flags.recursion_desired = False;
1335         p.packet.nmb.header.nm_flags.trunc = False;
1336         p.packet.nmb.header.nm_flags.authoritative = False;
1337         p.packet.nmb.header.rcode = 0;
1338         p.packet.nmb.header.qdcount = 1;
1339         p.packet.nmb.header.ancount = 0;
1340         p.packet.nmb.header.nscount = 0;
1341         p.packet.nmb.header.arcount = 0;
1342         my_make_nmb_name(&p.packet.nmb.question.question_name, "*", 0x00);
1343         p.packet.nmb.question.question_type = 0x21;
1344         p.packet.nmb.question.question_class = 0x1;
1345
1346         return send_message(msg_ctx, pid, MSG_SEND_PACKET, &p, sizeof(p));
1347 }
1348
1349 static bool do_notify_cleanup(struct tevent_context *ev_ctx,
1350                               struct messaging_context *msg_ctx,
1351                               const struct server_id pid,
1352                               const int argc, const char **argv)
1353 {
1354         if (argc != 1) {
1355                 fprintf(stderr, "Usage: smbcontrol smbd notify-cleanup\n");
1356                 return false;
1357         }
1358         return send_message(msg_ctx, pid, MSG_SMB_NOTIFY_CLEANUP, NULL, 0);
1359 }
1360
1361 /* A list of message type supported */
1362
1363 static const struct {
1364         const char *name;       /* Option name */
1365         bool (*fn)(struct tevent_context *ev_ctx,
1366                    struct messaging_context *msg_ctx,
1367                    const struct server_id pid,
1368                    const int argc, const char **argv);
1369         const char *help;       /* Short help text */
1370 } msg_types[] = {
1371         { "debug", do_debug, "Set debuglevel"  },
1372         { "idmap", do_idmap, "Manipulate idmap cache" },
1373         { "force-election", do_election,
1374           "Force a browse election" },
1375         { "ping", do_ping, "Elicit a response" },
1376         { "profile", do_profile, "" },
1377         { "inject", do_inject_fault,
1378             "Inject a fatal signal into a running smbd"},
1379         { "stacktrace", do_daemon_stack_trace,
1380             "Display a stack trace of a daemon" },
1381         { "profilelevel", do_profilelevel, "" },
1382         { "debuglevel", do_debuglevel, "Display current debuglevels" },
1383         { "printnotify", do_printnotify, "Send a print notify message" },
1384         { "close-share", do_closeshare, "Forcibly disconnect a share" },
1385         { "kill-client-ip", do_kill_client_by_ip,
1386           "Forcibly disconnect a client with a specific IP address" },
1387         { "ip-dropped", do_ip_dropped, "Tell winbind that an IP got dropped" },
1388         { "lockretry", do_lockretry, "Force a blocking lock retry" },
1389         { "brl-revalidate", do_brl_revalidate, "Revalidate all brl entries" },
1390         { "pool-usage", do_poolusage, "Display talloc memory usage" },
1391         { "ringbuf-log", do_ringbuflog, "Display ringbuf log" },
1392         { "dmalloc-mark", do_dmalloc_mark, "" },
1393         { "dmalloc-log-changed", do_dmalloc_changed, "" },
1394         { "shutdown", do_shutdown, "Shut down daemon" },
1395         { "drvupgrade", do_drvupgrade, "Notify a printer driver has changed" },
1396         { "reload-config", do_reload_config, "Force smbd or winbindd to reload config file"},
1397         { "reload-printers", do_reload_printers, "Force smbd to reload printers"},
1398         { "nodestatus", do_nodestatus, "Ask nmbd to do a node status request"},
1399         { "online", do_winbind_online, "Ask winbind to go into online state"},
1400         { "offline", do_winbind_offline, "Ask winbind to go into offline state"},
1401         { "onlinestatus", do_winbind_onlinestatus, "Request winbind online status"},
1402         { "validate-cache" , do_winbind_validate_cache,
1403           "Validate winbind's credential cache" },
1404         { "dump-domain-list", do_winbind_dump_domain_list, "Dump winbind domain list"},
1405         { "notify-cleanup", do_notify_cleanup },
1406         { "num-children", do_num_children,
1407           "Print number of smbd child processes" },
1408         { "msg-cleanup", do_msg_cleanup },
1409         { "noop", do_noop, "Do nothing" },
1410         { NULL }
1411 };
1412
1413 /* Display usage information */
1414
1415 static void usage(poptContext pc)
1416 {
1417         int i;
1418
1419         poptPrintHelp(pc, stderr, 0);
1420
1421         fprintf(stderr, "\n");
1422         fprintf(stderr, "<destination> is one of \"nmbd\", \"smbd\", \"winbindd\" or a "
1423                 "process ID\n");
1424
1425         fprintf(stderr, "\n");
1426         fprintf(stderr, "<message-type> is one of:\n");
1427
1428         for (i = 0; msg_types[i].name; i++)
1429             fprintf(stderr, "\t%-30s%s\n", msg_types[i].name,
1430                     msg_types[i].help);
1431
1432         fprintf(stderr, "\n");
1433
1434         exit(1);
1435 }
1436
1437 /* Return the pid number for a string destination */
1438
1439 static struct server_id parse_dest(struct messaging_context *msg,
1440                                    const char *dest)
1441 {
1442         struct server_id result = {-1};
1443         pid_t pid;
1444
1445         /* Zero is a special return value for broadcast to all processes */
1446
1447         if (strequal(dest, "all")) {
1448                 return interpret_pid(MSG_BROADCAST_PID_STR);
1449         }
1450
1451         /* Try self - useful for testing */
1452
1453         if (strequal(dest, "self")) {
1454                 return messaging_server_id(msg);
1455         }
1456
1457         /* Fix winbind typo. */
1458         if (strequal(dest, "winbind")) {
1459                 dest = "winbindd";
1460         }
1461
1462         /* Check for numeric pid number */
1463         result = interpret_pid(dest);
1464
1465         /* Zero isn't valid if not "all". */
1466         if (result.pid && procid_valid(&result)) {
1467                 return result;
1468         }
1469
1470         /* Look up other destinations in pidfile directory */
1471
1472         if ((pid = pidfile_pid(lp_pid_directory(), dest)) != 0) {
1473                 return pid_to_procid(pid);
1474         }
1475
1476         fprintf(stderr,"Can't find pid for destination '%s'\n", dest);
1477
1478         return result;
1479 }
1480
1481 /* Execute smbcontrol command */
1482
1483 static bool do_command(struct tevent_context *ev_ctx,
1484                        struct messaging_context *msg_ctx,
1485                        int argc, const char **argv)
1486 {
1487         const char *dest = argv[0], *command = argv[1];
1488         struct server_id pid;
1489         int i;
1490
1491         /* Check destination */
1492
1493         pid = parse_dest(msg_ctx, dest);
1494         if (!procid_valid(&pid)) {
1495                 return False;
1496         }
1497
1498         /* Check command */
1499
1500         for (i = 0; msg_types[i].name; i++) {
1501                 if (strequal(command, msg_types[i].name))
1502                         return msg_types[i].fn(ev_ctx, msg_ctx, pid,
1503                                                argc - 1, argv + 1);
1504         }
1505
1506         fprintf(stderr, "smbcontrol: unknown command '%s'\n", command);
1507
1508         return False;
1509 }
1510
1511 static void smbcontrol_help(poptContext pc,
1512                     enum poptCallbackReason preason,
1513                     struct poptOption * poption,
1514                     const char * parg,
1515                     void * pdata)
1516 {
1517         if (poption->shortName != '?') {
1518                 poptPrintUsage(pc, stdout, 0);
1519         } else {
1520                 usage(pc);
1521         }
1522
1523         exit(0);
1524 }
1525
1526 struct poptOption help_options[] = {
1527         { NULL, '\0', POPT_ARG_CALLBACK, (void *)&smbcontrol_help, '\0',
1528           NULL, NULL },
1529         { "help", '?', 0, NULL, '?', "Show this help message", NULL },
1530         { "usage", '\0', 0, NULL, 'u', "Display brief usage message", NULL },
1531         { NULL }
1532 } ;
1533
1534 /* Main program */
1535
1536 int main(int argc, const char **argv)
1537 {
1538         poptContext pc;
1539         int opt;
1540         struct tevent_context *evt_ctx;
1541         struct messaging_context *msg_ctx;
1542
1543         static struct poptOption long_options[] = {
1544                 /* POPT_AUTOHELP */
1545                 { NULL, '\0', POPT_ARG_INCLUDE_TABLE, help_options,
1546                                         0, "Help options:", NULL },
1547                 { "timeout", 't', POPT_ARG_INT, &timeout, 't',
1548                   "Set timeout value in seconds", "TIMEOUT" },
1549
1550                 POPT_COMMON_SAMBA
1551                 POPT_TABLEEND
1552         };
1553         TALLOC_CTX *frame = talloc_stackframe();
1554         int ret = 0;
1555
1556         smb_init_locale();
1557
1558         setup_logging(argv[0], DEBUG_STDOUT);
1559         lp_set_cmdline("log level", "0");
1560
1561         /* Parse command line arguments using popt */
1562
1563         pc = poptGetContext(
1564                 "smbcontrol", argc, (const char **)argv, long_options, 0);
1565
1566         poptSetOtherOptionHelp(pc, "[OPTION...] <destination> <message-type> "
1567                                "<parameters>");
1568
1569         if (argc == 1)
1570                 usage(pc);
1571
1572         while ((opt = poptGetNextOpt(pc)) != -1) {
1573                 switch(opt) {
1574                 case 't':       /* --timeout */
1575                         break;
1576                 default:
1577                         fprintf(stderr, "Invalid option\n");
1578                         poptPrintHelp(pc, stderr, 0);
1579                         break;
1580                 }
1581         }
1582
1583         /* We should now have the remaining command line arguments in
1584            argv.  The argc parameter should have been decremented to the
1585            correct value in the above switch statement. */
1586
1587         argv = (const char **)poptGetArgs(pc);
1588         argc = 0;
1589         if (argv != NULL) {
1590                 while (argv[argc] != NULL) {
1591                         argc++;
1592                 }
1593         }
1594
1595         if (argc <= 1)
1596                 usage(pc);
1597
1598         lp_load_global(get_dyn_CONFIGFILE());
1599
1600         /* Need to invert sense of return code -- samba
1601          * routines mostly return True==1 for success, but
1602          * shell needs 0. */
1603
1604         if (!(evt_ctx = samba_tevent_context_init(NULL)) ||
1605             !(msg_ctx = messaging_init(NULL, evt_ctx))) {
1606                 fprintf(stderr, "could not init messaging context\n");
1607                 TALLOC_FREE(frame);
1608                 exit(1);
1609         }
1610
1611         ret = !do_command(evt_ctx, msg_ctx, argc, argv);
1612         TALLOC_FREE(msg_ctx);
1613         TALLOC_FREE(frame);
1614         return ret;
1615 }