source3/utils/status.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    status reporting
   4    Copyright (C) Andrew Tridgell 1994-1998
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19
  20    Revision History:
  21
  22    12 aug 96: Erik.Devriendt@te6.siemens.be
  23    added support for shared memory implementation of share mode locking
  24
  25    21-Jul-1998: rsharpe@ns.aus.com (Richard Sharpe)
  26    Added -L (locks only) -S (shares only) flags and code
  27
  28 */
  29
  30 /*
  31  * This program reports current SMB connections
  32  */
  33
  34 #include "includes.h"
  35
  36 #define SMB_MAXPIDS             2048
  37 static uid_t            Ucrit_uid = 0;               /* added by OH */
  38 static struct server_id Ucrit_pid[SMB_MAXPIDS];  /* Ugly !!! */   /* added by OH */
  39 static int              Ucrit_MaxPid=0;                    /* added by OH */
  40 static unsigned int     Ucrit_IsActive = 0;                /* added by OH */
  41
  42 static int verbose, brief;
  43 static int            shares_only = 0;            /* Added by RJS */
  44 static int            locks_only  = 0;            /* Added by RJS */
  45 static BOOL processes_only=False;
  46 static int show_brl;
  47 static BOOL numeric_only = False;
  48
  49 const char *username = NULL;
  50
  51 extern BOOL status_profile_dump(BOOL be_verbose);
  52 extern BOOL status_profile_rates(BOOL be_verbose);
  53
  54 /* added by OH */
  55 static void Ucrit_addUid(uid_t uid)
  56 {
  57         Ucrit_uid = uid;
  58         Ucrit_IsActive = 1;
  59 }
  60
  61 static unsigned int Ucrit_checkUid(uid_t uid)
  62 {
  63         if ( !Ucrit_IsActive )
  64                 return 1;
  65
  66         if ( uid == Ucrit_uid )
  67                 return 1;
  68
  69         return 0;
  70 }
  71
  72 static unsigned int Ucrit_checkPid(struct server_id pid)
  73 {
  74         int i;
  75
  76         if ( !Ucrit_IsActive )
  77                 return 1;
  78
  79         for (i=0;i<Ucrit_MaxPid;i++) {
  80                 if (cluster_id_equal(&pid, &Ucrit_pid[i]))
  81                         return 1;
  82         }
  83
  84         return 0;
  85 }
  86
  87 static BOOL Ucrit_addPid( struct server_id pid )
  88 {
  89         if ( !Ucrit_IsActive )
  90                 return True;
  91
  92         if ( Ucrit_MaxPid >= SMB_MAXPIDS ) {
  93                 d_printf("ERROR: More than %d pids for user %s!\n",
  94                          SMB_MAXPIDS, uidtoname(Ucrit_uid));
  95
  96                 return False;
  97         }
  98
  99         Ucrit_pid[Ucrit_MaxPid++] = pid;
 100
 101         return True;
 102 }
 103
 104 static void print_share_mode(const struct share_mode_entry *e,
 105                              const char *sharepath,
 106                              const char *fname,
 107                              void *dummy)
 108 {
 109         static int count;
 110
 111         if (!is_valid_share_mode_entry(e)) {
 112                 return;
 113         }
 114
 115         if (count==0) {
 116                 d_printf("Locked files:\n");
 117                 d_printf("Pid          Uid        DenyMode   Access      R/W        Oplock           SharePath   Name   Time\n");
 118                 d_printf("--------------------------------------------------------------------------------------------------\n");
 119         }
 120         count++;
 121
 122         if (Ucrit_checkPid(e->pid)) {
 123                 d_printf("%-11s  ",procid_str_static(&e->pid));
 124                 d_printf("%-9u  ", (unsigned int)e->uid);
 125                 switch (map_share_mode_to_deny_mode(e->share_access,
 126                                                     e->private_options)) {
 127                         case DENY_NONE: d_printf("DENY_NONE  "); break;
 128                         case DENY_ALL:  d_printf("DENY_ALL   "); break;
 129                         case DENY_DOS:  d_printf("DENY_DOS   "); break;
 130                         case DENY_READ: d_printf("DENY_READ  "); break;
 131                         case DENY_WRITE:printf("DENY_WRITE "); break;
 132                         case DENY_FCB:  d_printf("DENY_FCB "); break;
 133                         default: {
 134                                 d_printf("unknown-please report ! "
 135                                          "e->share_access = 0x%x, "
 136                                          "e->private_options = 0x%x\n",
 137                                          (unsigned int)e->share_access,
 138                                          (unsigned int)e->private_options );
 139                                 break;
 140                         }
 141                 }
 142                 d_printf("0x%-8x  ",(unsigned int)e->access_mask);
 143                 if ((e->access_mask & (FILE_READ_DATA|FILE_WRITE_DATA))==
 144                                 (FILE_READ_DATA|FILE_WRITE_DATA)) {
 145                         d_printf("RDWR       ");
 146                 } else if (e->access_mask & FILE_WRITE_DATA) {
 147                         d_printf("WRONLY     ");
 148                 } else {
 149                         d_printf("RDONLY     ");
 150                 }
 151
 152                 if((e->op_type & (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) ==
 153                                         (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) {
 154                         d_printf("EXCLUSIVE+BATCH ");
 155                 } else if (e->op_type & EXCLUSIVE_OPLOCK) {
 156                         d_printf("EXCLUSIVE       ");
 157                 } else if (e->op_type & BATCH_OPLOCK) {
 158                         d_printf("BATCH           ");
 159                 } else if (e->op_type & LEVEL_II_OPLOCK) {
 160                         d_printf("LEVEL_II        ");
 161                 } else {
 162                         d_printf("NONE            ");
 163                 }
 164
 165                 d_printf(" %s   %s   %s",sharepath, fname, time_to_asc((time_t)e->time.tv_sec));
 166         }
 167 }
 168
 169 static void print_brl(struct file_id id,
 170                         struct server_id pid,
 171                         enum brl_type lock_type,
 172                         enum brl_flavour lock_flav,
 173                         br_off start,
 174                         br_off size)
 175 {
 176         static int count;
 177         int i;
 178         static const struct {
 179                 enum brl_type lock_type;
 180                 const char *desc;
 181         } lock_types[] = {
 182                 { READ_LOCK, "R" },
 183                 { WRITE_LOCK, "W" },
 184                 { PENDING_READ_LOCK, "PR" },
 185                 { PENDING_WRITE_LOCK, "PW" },
 186                 { UNLOCK_LOCK, "U" }
 187         };
 188         const char *desc="X";
 189         if (count==0) {
 190                 d_printf("Byte range locks:\n");
 191                 d_printf("   Pid     dev:inode  R/W      start        size\n");
 192                 d_printf("------------------------------------------------\n");
 193         }
 194         count++;
 195
 196         for (i=0;i<ARRAY_SIZE(lock_types);i++) {
 197                 if (lock_type == lock_types[i].lock_type) {
 198                         desc = lock_types[i].desc;
 199                 }
 200         }
 201
 202         d_printf("%8s   %s    %2s  %9.0f   %9.0f\n",
 203                  procid_str_static(&pid), file_id_static_string(&id),
 204                  desc,
 205                  (double)start, (double)size);
 206 }
 207
 208 static int traverse_fn1(struct db_record *rec,
 209                         const struct connections_key *key,
 210                         const struct connections_data *crec,
 211                         void *state)
 212 {
 213         if (crec->cnum == -1)
 214                 return 0;
 215
 216         if (!process_exists(crec->pid) || !Ucrit_checkUid(crec->uid)) {
 217                 return 0;
 218         }
 219
 220         d_printf("%-10s   %s   %-12s  %s",
 221                crec->servicename,procid_str_static(&crec->pid),
 222                crec->machine,
 223                time_to_asc(crec->start));
 224
 225         return 0;
 226 }
 227
 228 static int traverse_sessionid(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void *state)
 229 {
 230         struct sessionid sessionid;
 231         fstring uid_str, gid_str;
 232
 233         if (dbuf.dsize != sizeof(sessionid))
 234                 return 0;
 235
 236         memcpy(&sessionid, dbuf.dptr, sizeof(sessionid));
 237
 238         if (!process_exists(sessionid.pid) || !Ucrit_checkUid(sessionid.uid)) {
 239                 return 0;
 240         }
 241
 242         Ucrit_addPid( sessionid.pid );
 243
 244         fstr_sprintf(uid_str, "%d", sessionid.uid);
 245         fstr_sprintf(gid_str, "%d", sessionid.gid);
 246
 247         d_printf("%s   %-12s  %-12s  %-12s (%s)\n",
 248                  procid_str_static(&sessionid.pid),
 249                  numeric_only ? uid_str : uidtoname(sessionid.uid),
 250                  numeric_only ? gid_str : gidtoname(sessionid.gid),
 251                  sessionid.remote_machine, sessionid.hostname);
 252
 253         return 0;
 254 }
 255
 256
 257
 258
 259  int main(int argc, char *argv[])
 260 {
 261         int c;
 262         int profile_only = 0;
 263         TDB_CONTEXT *tdb;
 264         BOOL show_processes, show_locks, show_shares;
 265         poptContext pc;
 266         struct poptOption long_options[] = {
 267                 POPT_AUTOHELP
 268                 {"processes",   'p', POPT_ARG_NONE,     &processes_only, 'p', "Show processes only" },
 269                 {"verbose",     'v', POPT_ARG_NONE, &verbose, 'v', "Be verbose" },
 270                 {"locks",       'L', POPT_ARG_NONE,     &locks_only, 'L', "Show locks only" },
 271                 {"shares",      'S', POPT_ARG_NONE,     &shares_only, 'S', "Show shares only" },
 272                 {"user",        'u', POPT_ARG_STRING,   &username, 'u', "Switch to user" },
 273                 {"brief",       'b', POPT_ARG_NONE,     &brief, 'b', "Be brief" },
 274                 {"profile",     'P', POPT_ARG_NONE, NULL, 'P', "Do profiling" },
 275                 {"profile-rates", 'R', POPT_ARG_NONE, NULL, 'R', "Show call rates" },
 276                 {"byterange",   'B', POPT_ARG_NONE,     &show_brl, 'B', "Include byte range locks"},
 277                 {"numeric",     'n', POPT_ARG_NONE,     &numeric_only, 'n', "Numeric uid/gid"},
 278                 POPT_COMMON_SAMBA
 279                 POPT_TABLEEND
 280         };
 281
 282         sec_init();
 283         load_case_tables();
 284
 285         setup_logging(argv[0],True);
 286
 287         dbf = x_stderr;
 288
 289         if (getuid() != geteuid()) {
 290                 d_printf("smbstatus should not be run setuid\n");
 291                 return(1);
 292         }
 293
 294         pc = poptGetContext(NULL, argc, (const char **) argv, long_options,
 295                             POPT_CONTEXT_KEEP_FIRST);
 296
 297         while ((c = poptGetNextOpt(pc)) != -1) {
 298                 switch (c) {
 299                 case 'u':
 300                         Ucrit_addUid(nametouid(poptGetOptArg(pc)));
 301                         break;
 302                 case 'P':
 303                 case 'R':
 304                         profile_only = c;
 305                 }
 306         }
 307
 308         /* setup the flags based on the possible combincations */
 309
 310         show_processes = !(shares_only || locks_only || profile_only) || processes_only;
 311         show_locks     = !(shares_only || processes_only || profile_only) || locks_only;
 312         show_shares    = !(processes_only || locks_only || profile_only) || shares_only;
 313
 314         if ( username )
 315                 Ucrit_addUid( nametouid(username) );
 316
 317         if (verbose) {
 318                 d_printf("using configfile = %s\n", dyn_CONFIGFILE);
 319         }
 320
 321         if (!lp_load(dyn_CONFIGFILE,False,False,False,True)) {
 322                 fprintf(stderr, "Can't load %s - run testparm to debug it\n", dyn_CONFIGFILE);
 323                 return (-1);
 324         }
 325
 326         switch (profile_only) {
 327                 case 'P':
 328                         /* Dump profile data */
 329                         return status_profile_dump(verbose);
 330                 case 'R':
 331                         /* Continuously display rate-converted data */
 332                         return status_profile_rates(verbose);
 333                 default:
 334                         break;
 335         }
 336
 337         if ( show_processes ) {
 338                 tdb = tdb_open_log(lock_path("sessionid.tdb"), 0, TDB_DEFAULT, O_RDONLY, 0);
 339                 if (!tdb) {
 340                         d_printf("sessionid.tdb not initialised\n");
 341                 } else {
 342                         d_printf("\nSamba version %s\n",SAMBA_VERSION_STRING);
 343                         d_printf("PID     Username      Group         Machine                        \n");
 344                         d_printf("-------------------------------------------------------------------\n");
 345
 346                         tdb_traverse(tdb, traverse_sessionid, NULL);
 347                         tdb_close(tdb);
 348                 }
 349
 350                 if (processes_only)
 351                         exit(0);
 352         }
 353
 354         if ( show_shares ) {
 355                 if (verbose) {
 356                         d_printf("Opened %s\n", lock_path("connections.tdb"));
 357                 }
 358
 359                 if (brief)
 360                         exit(0);
 361
 362                 d_printf("\nService      pid     machine       Connected at\n");
 363                 d_printf("-------------------------------------------------------\n");
 364
 365                 connections_forall(traverse_fn1, NULL);
 366
 367                 d_printf("\n");
 368
 369                 if ( shares_only )
 370                         exit(0);
 371         }
 372
 373         if ( show_locks ) {
 374                 int ret;
 375
 376                 if (!locking_init(1)) {
 377                         d_printf("Can't initialise locking module - exiting\n");
 378                         exit(1);
 379                 }
 380
 381                 ret = share_mode_forall(print_share_mode, NULL);
 382
 383                 if (ret == 0) {
 384                         d_printf("No locked files\n");
 385                 } else if (ret == -1) {
 386                         d_printf("locked file list truncated\n");
 387                 }
 388
 389                 d_printf("\n");
 390
 391                 if (show_brl) {
 392                         brl_forall(print_brl);
 393                 }
 394
 395                 locking_end();
 396         }
 397
 398         return (0);
 399 }