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 #include "session.h"
  22 #include "messages.h"
  23 #include "lib/conn_tdb.h"
  24
  25 int net_status_usage(struct net_context *c, int argc, const char **argv)
  26 {
  27         d_printf(_("  net status sessions [parseable] "
  28                    "Show list of open sessions\n"));
  29         d_printf(_("  net status shares [parseable]   "
  30                    "Show list of open shares\n"));
  31         return -1;
  32 }
  33
  34 static int show_session(const char *key, struct sessionid *session,
  35                         void *private_data)
  36 {
  37         struct server_id_buf tmp;
  38         bool *parseable = (bool *)private_data;
  39
  40         if (!process_exists(session->pid)) {
  41                 return 0;
  42         }
  43
  44         if (*parseable) {
  45                 d_printf("%s\\%s\\%s\\%s\\%s\n",
  46                          server_id_str_buf(session->pid, &tmp),
  47                          uidtoname(session->uid),
  48                          gidtoname(session->gid),
  49                          session->remote_machine, session->hostname);
  50         } else {
  51                 d_printf("%7s   %-12s  %-12s  %-12s (%s)\n",
  52                          server_id_str_buf(session->pid, &tmp),
  53                          uidtoname(session->uid),
  54                          gidtoname(session->gid),
  55                          session->remote_machine, session->hostname);
  56         }
  57
  58         return 0;
  59 }
  60
  61 static int net_status_sessions(struct net_context *c, int argc, const char **argv)
  62 {
  63         bool parseable;
  64
  65         if (c->display_usage) {
  66                 d_printf(  "%s\n"
  67                            "net status sessions [parseable]\n"
  68                            "    %s\n",
  69                          _("Usage:"),
  70                          _("Display open user sessions.\n"
  71                            "    If parseable is specified, output is machine-"
  72                            "readable."));
  73                 return 0;
  74         }
  75
  76         if (argc == 0) {
  77                 parseable = false;
  78         } else if ((argc == 1) && strequal(argv[0], "parseable")) {
  79                 parseable = true;
  80         } else {
  81                 return net_status_usage(c, argc, argv);
  82         }
  83
  84         if (!parseable) {
  85                 d_printf(_("PID     Username      Group         Machine"
  86                            "                        \n"
  87                            "-------------------------------------------"
  88                            "------------------------\n"));
  89         }
  90
  91         sessionid_traverse_read(show_session, &parseable);
  92         return 0;
  93 }
  94
  95 static int show_share(const struct connections_key *key,
  96                       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(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_key *key,
 141                                 const struct connections_data *crec,
 142                                 void *state)
 143 {
 144         struct sessionids *ids = (struct sessionids *)state;
 145         struct server_id_buf tmp;
 146         int i;
 147         bool guest = true;
 148
 149         if (crec->cnum == TID_FIELD_INVALID)
 150                 return 0;
 151
 152         if (!process_exists(crec->pid)) {
 153                 return 0;
 154         }
 155
 156         for (i=0; i<ids->num_entries; i++) {
 157                 struct server_id id = ids->entries[i].pid;
 158                 if (serverid_equal(&id, &crec->pid)) {
 159                         guest = false;
 160                         break;
 161                 }
 162         }
 163
 164         d_printf("%s\\%s\\%s\\%s\\%s\\%s\\%s",
 165                  crec->servicename, server_id_str_buf(crec->pid, &tmp),
 166                  guest ? "" : uidtoname(ids->entries[i].uid),
 167                  guest ? "" : gidtoname(ids->entries[i].gid),
 168                  crec->machine,
 169                  guest ? "" : ids->entries[i].hostname,
 170                  time_to_asc(crec->start));
 171
 172         return 0;
 173 }
 174
 175 static int net_status_shares_parseable(struct net_context *c, int argc, const char **argv)
 176 {
 177         struct sessionids ids;
 178
 179         ids.num_entries = 0;
 180         ids.entries = NULL;
 181
 182         sessionid_traverse_read(collect_pids, &ids);
 183
 184         connections_forall_read(show_share_parseable, &ids);
 185
 186         SAFE_FREE(ids.entries);
 187
 188         return 0;
 189 }
 190
 191 static int net_status_shares(struct net_context *c, int argc, const char **argv)
 192 {
 193         if (c->display_usage) {
 194                 d_printf(  "%s\n"
 195                            "net status shares [parseable]\n"
 196                            "    %s\n",
 197                          _("Usage:"),
 198                          _("Display open user shares.\n"
 199                            "    If parseable is specified, output is machine-"
 200                            "readable."));
 201                 return 0;
 202         }
 203
 204         if (argc == 0) {
 205
 206                 d_printf(_("\nService      pid     machine       "
 207                            "Connected at\n"
 208                            "-------------------------------------"
 209                            "------------------\n"));
 210
 211                 connections_forall_read(show_share, NULL);
 212
 213                 return 0;
 214         }
 215
 216         if ((argc != 1) || !strequal(argv[0], "parseable")) {
 217                 return net_status_usage(c, argc, argv);
 218         }
 219
 220         return net_status_shares_parseable(c, argc, argv);
 221 }
 222
 223 int net_status(struct net_context *c, int argc, const char **argv)
 224 {
 225         struct functable func[] = {
 226                 {
 227                         "sessions",
 228                         net_status_sessions,
 229                         NET_TRANSPORT_LOCAL,
 230                         N_("Show list of open sessions"),
 231                         N_("net status sessions [parseable]\n"
 232                            "    If parseable is specified, output is presented "
 233                            "in a machine-parseable fashion.")
 234                 },
 235                 {
 236                         "shares",
 237                         net_status_shares,
 238                         NET_TRANSPORT_LOCAL,
 239                         N_("Show list of open shares"),
 240                         N_("net status shares [parseable]\n"
 241                            "    If parseable is specified, output is presented "
 242                            "in a machine-parseable fashion.")
 243                 },
 244                 {NULL, NULL, 0, NULL, NULL}
 245         };
 246         return net_run_function(c, argc, argv, "net status", func);
 247 }