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 "lib/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_key *key,
  97                       const struct connections_data *crec,
  98                       void *state)
  99 {
 100         struct server_id_buf tmp;
 101
 102         if (crec->cnum == TID_FIELD_INVALID)
 103                 return 0;
 104
 105         if (!process_exists(crec->pid)) {
 106                 return 0;
 107         }
 108
 109         d_printf("%-10.10s   %s   %-12s  %s",
 110                crec->servicename, server_id_str_buf(crec->pid, &tmp),
 111                crec->machine,
 112                time_to_asc(crec->start));
 113
 114         return 0;
 115 }
 116
 117 struct sessionids {
 118         int num_entries;
 119         struct sessionid *entries;
 120 };
 121
 122 static int collect_pids(const char *key, struct sessionid *session,
 123                         void *private_data)
 124 {
 125         struct sessionids *ids = (struct sessionids *)private_data;
 126
 127         if (!process_exists(session->pid))
 128                 return 0;
 129
 130         ids->num_entries += 1;
 131         ids->entries = SMB_REALLOC_ARRAY(ids->entries, struct sessionid, ids->num_entries);
 132         if (!ids->entries) {
 133                 ids->num_entries = 0;
 134                 return 0;
 135         }
 136         ids->entries[ids->num_entries-1] = *session;
 137
 138         return 0;
 139 }
 140
 141 static int show_share_parseable(const struct connections_key *key,
 142                                 const struct connections_data *crec,
 143                                 void *state)
 144 {
 145         struct sessionids *ids = (struct sessionids *)state;
 146         struct server_id_buf tmp;
 147         int i;
 148         bool guest = true;
 149
 150         if (crec->cnum == TID_FIELD_INVALID)
 151                 return 0;
 152
 153         if (!process_exists(crec->pid)) {
 154                 return 0;
 155         }
 156
 157         for (i=0; i<ids->num_entries; i++) {
 158                 struct server_id id = ids->entries[i].pid;
 159                 if (serverid_equal(&id, &crec->pid)) {
 160                         guest = false;
 161                         break;
 162                 }
 163         }
 164
 165         d_printf("%s\\%s\\%s\\%s\\%s\\%s\\%s",
 166                  crec->servicename, server_id_str_buf(crec->pid, &tmp),
 167                  guest ? "" : uidtoname(ids->entries[i].uid),
 168                  guest ? "" : gidtoname(ids->entries[i].gid),
 169                  crec->machine,
 170                  guest ? "" : ids->entries[i].hostname,
 171                  time_to_asc(crec->start));
 172
 173         return 0;
 174 }
 175
 176 static int net_status_shares_parseable(struct net_context *c, int argc, const char **argv)
 177 {
 178         struct sessionids ids;
 179
 180         ids.num_entries = 0;
 181         ids.entries = NULL;
 182
 183         sessionid_traverse_read(collect_pids, &ids);
 184
 185         connections_forall_read(show_share_parseable, &ids);
 186
 187         SAFE_FREE(ids.entries);
 188
 189         return 0;
 190 }
 191
 192 static int net_status_shares(struct net_context *c, int argc, const char **argv)
 193 {
 194         if (c->display_usage) {
 195                 d_printf(  "%s\n"
 196                            "net status shares [parseable]\n"
 197                            "    %s\n",
 198                          _("Usage:"),
 199                          _("Display open user shares.\n"
 200                            "    If parseable is specified, output is machine-"
 201                            "readable."));
 202                 return 0;
 203         }
 204
 205         if (argc == 0) {
 206
 207                 d_printf(_("\nService      pid     machine       "
 208                            "Connected at\n"
 209                            "-------------------------------------"
 210                            "------------------\n"));
 211
 212                 connections_forall_read(show_share, NULL);
 213
 214                 return 0;
 215         }
 216
 217         if ((argc != 1) || !strequal(argv[0], "parseable")) {
 218                 return net_status_usage(c, argc, argv);
 219         }
 220
 221         return net_status_shares_parseable(c, argc, argv);
 222 }
 223
 224 int net_status(struct net_context *c, int argc, const char **argv)
 225 {
 226         struct functable func[] = {
 227                 {
 228                         "sessions",
 229                         net_status_sessions,
 230                         NET_TRANSPORT_LOCAL,
 231                         N_("Show list of open sessions"),
 232                         N_("net status sessions [parseable]\n"
 233                            "    If parseable is specified, output is presented "
 234                            "in a machine-parseable fashion.")
 235                 },
 236                 {
 237                         "shares",
 238                         net_status_shares,
 239                         NET_TRANSPORT_LOCAL,
 240                         N_("Show list of open shares"),
 241                         N_("net status shares [parseable]\n"
 242                            "    If parseable is specified, output is presented "
 243                            "in a machine-parseable fashion.")
 244                 },
 245                 {NULL, NULL, 0, NULL, NULL}
 246         };
 247         return net_run_function(c, argc, argv, "net status", func);
 248 }