source3/utils/net_status.c

   1 /*
   2    Samba Unix/Linux SMB client library
   3    net status command -- possible replacement for smbstatus
   4    Copyright (C) 2003 Volker Lendecke (vl@samba.org)
   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 3 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 #include "includes.h"
  21 #include "utils/net.h"
  22
  23 static int show_session(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf,
  24                         void *state)
  25 {
  26         BOOL *parseable = (BOOL *)state;
  27         struct sessionid sessionid;
  28
  29         if (dbuf.dsize != sizeof(sessionid))
  30                 return 0;
  31
  32         memcpy(&sessionid, dbuf.dptr, sizeof(sessionid));
  33
  34         if (!process_exists(sessionid.pid)) {
  35                 return 0;
  36         }
  37
  38         if (*parseable) {
  39                 d_printf("%s\\%s\\%s\\%s\\%s\n",
  40                          procid_str_static(&sessionid.pid), uidtoname(sessionid.uid),
  41                          gidtoname(sessionid.gid),
  42                          sessionid.remote_machine, sessionid.hostname);
  43         } else {
  44                 d_printf("%7s   %-12s  %-12s  %-12s (%s)\n",
  45                          procid_str_static(&sessionid.pid), uidtoname(sessionid.uid),
  46                          gidtoname(sessionid.gid),
  47                          sessionid.remote_machine, sessionid.hostname);
  48         }
  49
  50         return 0;
  51 }
  52
  53 static int net_status_sessions(int argc, const char **argv)
  54 {
  55         TDB_CONTEXT *tdb;
  56         BOOL parseable;
  57
  58         if (argc == 0) {
  59                 parseable = False;
  60         } else if ((argc == 1) && strequal(argv[0], "parseable")) {
  61                 parseable = True;
  62         } else {
  63                 return net_help_status(argc, argv);
  64         }
  65
  66         if (!parseable) {
  67                 d_printf("PID     Username      Group         Machine"
  68                          "                        \n");
  69                 d_printf("-------------------------------------------"
  70                          "------------------------\n");
  71         }
  72
  73         tdb = tdb_open_log(lock_path("sessionid.tdb"), 0,
  74                            TDB_DEFAULT, O_RDONLY, 0);
  75
  76         if (tdb == NULL) {
  77                 d_fprintf(stderr, "%s not initialised\n", lock_path("sessionid.tdb"));
  78                 return -1;
  79         }
  80
  81         tdb_traverse(tdb, show_session, &parseable);
  82         tdb_close(tdb);
  83
  84         return 0;
  85 }
  86
  87 static int show_share(struct db_record *rec,
  88                       const struct connections_key *key,
  89                       const struct connections_data *crec,
  90                       void *state)
  91 {
  92         if (crec->cnum == -1)
  93                 return 0;
  94
  95         if (!process_exists(crec->pid)) {
  96                 return 0;
  97         }
  98
  99         d_printf("%-10.10s   %s   %-12s  %s",
 100                crec->servicename, procid_str_static(&crec->pid),
 101                crec->machine,
 102                time_to_asc(crec->start));
 103
 104         return 0;
 105 }
 106
 107 struct sessionids {
 108         int num_entries;
 109         struct sessionid *entries;
 110 };
 111
 112 static int collect_pid(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf,
 113                        void *state)
 114 {
 115         struct sessionids *ids = (struct sessionids *)state;
 116         struct sessionid sessionid;
 117
 118         if (dbuf.dsize != sizeof(sessionid))
 119                 return 0;
 120
 121         memcpy(&sessionid, dbuf.dptr, sizeof(sessionid));
 122
 123         if (!process_exists(sessionid.pid))
 124                 return 0;
 125
 126         ids->num_entries += 1;
 127         ids->entries = SMB_REALLOC_ARRAY(ids->entries, struct sessionid, ids->num_entries);
 128         if (!ids->entries) {
 129                 ids->num_entries = 0;
 130                 return 0;
 131         }
 132         ids->entries[ids->num_entries-1] = sessionid;
 133
 134         return 0;
 135 }
 136
 137 static int show_share_parseable(struct db_record *rec,
 138                                 const struct connections_key *key,
 139                                 const struct connections_data *crec,
 140                                 void *state)
 141 {
 142         struct sessionids *ids = (struct sessionids *)state;
 143         int i;
 144         BOOL guest = True;
 145
 146         if (crec->cnum == -1)
 147                 return 0;
 148
 149         if (!process_exists(crec->pid)) {
 150                 return 0;
 151         }
 152
 153         for (i=0; i<ids->num_entries; i++) {
 154                 struct server_id id = ids->entries[i].pid;
 155                 if (procid_equal(&id, &crec->pid)) {
 156                         guest = False;
 157                         break;
 158                 }
 159         }
 160
 161         d_printf("%s\\%s\\%s\\%s\\%s\\%s\\%s",
 162                  crec->servicename,procid_str_static(&crec->pid),
 163                  guest ? "" : uidtoname(ids->entries[i].uid),
 164                  guest ? "" : gidtoname(ids->entries[i].gid),
 165                  crec->machine,
 166                  guest ? "" : ids->entries[i].hostname,
 167                  time_to_asc(crec->start));
 168
 169         return 0;
 170 }
 171
 172 static int net_status_shares_parseable(int argc, const char **argv)
 173 {
 174         struct sessionids ids;
 175         TDB_CONTEXT *tdb;
 176
 177         ids.num_entries = 0;
 178         ids.entries = NULL;
 179
 180         tdb = tdb_open_log(lock_path("sessionid.tdb"), 0,
 181                            TDB_DEFAULT, O_RDONLY, 0);
 182
 183         if (tdb == NULL) {
 184                 d_fprintf(stderr, "%s not initialised\n", lock_path("sessionid.tdb"));
 185                 return -1;
 186         }
 187
 188         tdb_traverse(tdb, collect_pid, &ids);
 189         tdb_close(tdb);
 190
 191         connections_forall(show_share_parseable, &ids);
 192
 193         SAFE_FREE(ids.entries);
 194
 195         return 0;
 196 }
 197
 198 static int net_status_shares(int argc, const char **argv)
 199 {
 200         if (argc == 0) {
 201
 202                 d_printf("\nService      pid     machine       "
 203                          "Connected at\n");
 204                 d_printf("-------------------------------------"
 205                          "------------------\n");
 206
 207                 connections_forall(show_share, NULL);
 208
 209                 return 0;
 210         }
 211
 212         if ((argc != 1) || !strequal(argv[0], "parseable")) {
 213                 return net_help_status(argc, argv);
 214         }
 215
 216         return net_status_shares_parseable(argc, argv);
 217 }
 218
 219 int net_status(int argc, const char **argv)
 220 {
 221         struct functable func[] = {
 222                 {"sessions", net_status_sessions},
 223                 {"shares", net_status_shares},
 224                 {NULL, NULL}
 225         };
 226         return net_run_function(argc, argv, func, net_help_status);
 227 }