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