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, see <http://www.gnu.org/licenses/>.  */
  18
  19 #include "includes.h"
  20 #include "lib/util/server_id.h"
  21 #include "utils/net.h"
  22 #include "session.h"
  23 #include "messages.h"
  24 #include "conn_tdb.h"
  25
  26 int net_status_usage(struct net_context *c, int argc, const char **argv)
  27 {
  28         d_printf(_("  net status sessions [parseable] "
  29                    "Show list of open sessions\n"));
  30         d_printf(_("  net status shares [parseable]   "
  31                    "Show list of open shares\n"));
  32         return -1;
  33 }
  34
  35 static int show_session(const char *key, struct sessionid *session,
  36                         void *private_data)
  37 {
  38         struct server_id_buf tmp;
  39         bool *parseable = (bool *)private_data;
  40
  41         if (!process_exists(session->pid)) {
  42                 return 0;
  43         }
  44
  45         if (*parseable) {
  46                 d_printf("%s\\%s\\%s\\%s\\%s\n",
  47                          server_id_str_buf(session->pid, &tmp),
  48                          uidtoname(session->uid),
  49                          gidtoname(session->gid),
  50                          session->remote_machine, session->hostname);
  51         } else {
  52                 d_printf("%7s   %-12s  %-12s  %-12s (%s)\n",
  53                          server_id_str_buf(session->pid, &tmp),
  54                          uidtoname(session->uid),
  55                          gidtoname(session->gid),
  56                          session->remote_machine, session->hostname);
  57         }
  58
  59         return 0;
  60 }
  61
  62 static int net_status_sessions(struct net_context *c, int argc, const char **argv)
  63 {
  64         bool parseable;
  65
  66         if (c->display_usage) {
  67                 d_printf(  "%s\n"
  68                            "net status sessions [parseable]\n"
  69                            "    %s\n",
  70                          _("Usage:"),
  71                          _("Display open user sessions.\n"
  72                            "    If parseable is specified, output is machine-"
  73                            "readable."));
  74                 return 0;
  75         }
  76
  77         if (argc == 0) {
  78                 parseable = false;
  79         } else if ((argc == 1) && strequal(argv[0], "parseable")) {
  80                 parseable = true;
  81         } else {
  82                 return net_status_usage(c, argc, argv);
  83         }
  84
  85         if (!parseable) {
  86                 d_printf(_("PID     Username      Group         Machine"
  87                            "                        \n"
  88                            "-------------------------------------------"
  89                            "------------------------\n"));
  90         }
  91
  92         sessionid_traverse_read(show_session, &parseable);
  93         return 0;
  94 }
  95
  96 static int show_share(const struct connections_data *crec,
  97                       void *state)
  98 {
  99         struct server_id_buf tmp;
 100
 101         if (crec->cnum == TID_FIELD_INVALID)
 102                 return 0;
 103
 104         if (!process_exists(crec->pid)) {
 105                 return 0;
 106         }
 107
 108         d_printf("%-10.10s   %s   %-12s  %s",
 109                crec->servicename, server_id_str_buf(crec->pid, &tmp),
 110                crec->machine,
 111                time_to_asc(nt_time_to_unix(crec->start)));
 112
 113         return 0;
 114 }
 115
 116 struct sessionids {
 117         int num_entries;
 118         struct sessionid *entries;
 119 };
 120
 121 static int collect_pids(const char *key, struct sessionid *session,
 122                         void *private_data)
 123 {
 124         struct sessionids *ids = (struct sessionids *)private_data;
 125
 126         if (!process_exists(session->pid))
 127                 return 0;
 128
 129         ids->num_entries += 1;
 130         ids->entries = SMB_REALLOC_ARRAY(ids->entries, struct sessionid, ids->num_entries);
 131         if (!ids->entries) {
 132                 ids->num_entries = 0;
 133                 return 0;
 134         }
 135         ids->entries[ids->num_entries-1] = *session;
 136
 137         return 0;
 138 }
 139
 140 static int show_share_parseable(const struct connections_data *crec,
 141                                 void *state)
 142 {
 143         struct sessionids *ids = (struct sessionids *)state;
 144         struct server_id_buf tmp;
 145         int i;
 146         bool guest = true;
 147
 148         if (crec->cnum == TID_FIELD_INVALID)
 149                 return 0;
 150
 151         if (!process_exists(crec->pid)) {
 152                 return 0;
 153         }
 154
 155         for (i=0; i<ids->num_entries; i++) {
 156                 struct server_id id = ids->entries[i].pid;
 157                 if (server_id_equal(&id, &crec->pid)) {
 158                         guest = false;
 159                         break;
 160                 }
 161         }
 162
 163         d_printf("%s\\%s\\%s\\%s\\%s\\%s\\%s",
 164                  crec->servicename, server_id_str_buf(crec->pid, &tmp),
 165                  guest ? "" : uidtoname(ids->entries[i].uid),
 166                  guest ? "" : gidtoname(ids->entries[i].gid),
 167                  crec->machine,
 168                  guest ? "" : ids->entries[i].hostname,
 169                  time_to_asc(nt_time_to_unix(crec->start)));
 170
 171         return 0;
 172 }
 173
 174 static int net_status_shares_parseable(struct net_context *c, int argc, const char **argv)
 175 {
 176         struct sessionids ids;
 177
 178         ids.num_entries = 0;
 179         ids.entries = NULL;
 180
 181         sessionid_traverse_read(collect_pids, &ids);
 182
 183         connections_forall_read(show_share_parseable, &ids);
 184
 185         SAFE_FREE(ids.entries);
 186
 187         return 0;
 188 }
 189
 190 static int net_status_shares(struct net_context *c, int argc, const char **argv)
 191 {
 192         if (c->display_usage) {
 193                 d_printf(  "%s\n"
 194                            "net status shares [parseable]\n"
 195                            "    %s\n",
 196                          _("Usage:"),
 197                          _("Display open user shares.\n"
 198                            "    If parseable is specified, output is machine-"
 199                            "readable."));
 200                 return 0;
 201         }
 202
 203         if (argc == 0) {
 204
 205                 d_printf(_("\nService      pid     machine       "
 206                            "Connected at\n"
 207                            "-------------------------------------"
 208                            "------------------\n"));
 209
 210                 connections_forall_read(show_share, NULL);
 211
 212                 return 0;
 213         }
 214
 215         if ((argc != 1) || !strequal(argv[0], "parseable")) {
 216                 return net_status_usage(c, argc, argv);
 217         }
 218
 219         return net_status_shares_parseable(c, argc, argv);
 220 }
 221
 222 int net_status(struct net_context *c, int argc, const char **argv)
 223 {
 224         struct functable func[] = {
 225                 {
 226                         "sessions",
 227                         net_status_sessions,
 228                         NET_TRANSPORT_LOCAL,
 229                         N_("Show list of open sessions"),
 230                         N_("net status sessions [parseable]\n"
 231                            "    If parseable is specified, output is presented "
 232                            "in a machine-parseable fashion.")
 233                 },
 234                 {
 235                         "shares",
 236                         net_status_shares,
 237                         NET_TRANSPORT_LOCAL,
 238                         N_("Show list of open shares"),
 239                         N_("net status shares [parseable]\n"
 240                            "    If parseable is specified, output is presented "
 241                            "in a machine-parseable fashion.")
 242                 },
 243                 {NULL, NULL, 0, NULL, NULL}
 244         };
 245         return net_run_function(c, argc, argv, "net status", func);
 246 }