source3/utils/smbtree.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Network neighbourhood browser.
   4
   5    Copyright (C) Tim Potter      2000
   6    Copyright (C) Jelmer Vernooij 2003
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23
  24 static int use_bcast;
  25
  26 /* How low can we go? */
  27
  28 enum tree_level {LEV_WORKGROUP, LEV_SERVER, LEV_SHARE};
  29 static enum tree_level level = LEV_SHARE;
  30
  31 /* Holds a list of workgroups or servers */
  32
  33 struct name_list {
  34         struct name_list *prev, *next;
  35         pstring name, comment;
  36         uint32 server_type;
  37 };
  38
  39 static struct name_list *workgroups, *servers, *shares;
  40
  41 static void free_name_list(struct name_list *list)
  42 {
  43         while(list)
  44                 DLIST_REMOVE(list, list);
  45 }
  46
  47 static void add_name(const char *machine_name, uint32 server_type,
  48                      const char *comment, void *state)
  49 {
  50         struct name_list **name_list = (struct name_list **)state;
  51         struct name_list *new_name;
  52
  53         new_name = SMB_MALLOC_P(struct name_list);
  54
  55         if (!new_name)
  56                 return;
  57
  58         ZERO_STRUCTP(new_name);
  59
  60         pstrcpy(new_name->name, machine_name);
  61         pstrcpy(new_name->comment, comment);
  62         new_name->server_type = server_type;
  63
  64         DLIST_ADD(*name_list, new_name);
  65 }
  66
  67 /****************************************************************************
  68   display tree of smb workgroups, servers and shares
  69 ****************************************************************************/
  70 static bool get_workgroups(struct user_auth_info *user_info)
  71 {
  72         struct cli_state *cli;
  73         struct sockaddr_storage server_ss;
  74         TALLOC_CTX *ctx = talloc_tos();
  75         char *master_workgroup = NULL;
  76
  77         /* Try to connect to a #1d name of our current workgroup.  If that
  78            doesn't work broadcast for a master browser and then jump off
  79            that workgroup. */
  80
  81         master_workgroup = talloc_strdup(ctx, lp_workgroup());
  82         if (!master_workgroup) {
  83                 return false;
  84         }
  85
  86         if (!use_bcast && !find_master_ip(lp_workgroup(), &server_ss)) {
  87                 DEBUG(4, ("Unable to find master browser for workgroup %s, falling back to broadcast\n",
  88                           master_workgroup));
  89                                 use_bcast = True;
  90                 } else if(!use_bcast) {
  91                         char addr[INET6_ADDRSTRLEN];
  92                         print_sockaddr(addr, sizeof(addr), &server_ss);
  93                         if (!(cli = get_ipc_connect(addr, &server_ss, user_info)))
  94                                 return False;
  95                 }
  96
  97                 if (!(cli = get_ipc_connect_master_ip_bcast(talloc_tos(),
  98                                                         user_info,
  99                                                         &master_workgroup))) {
 100                         DEBUG(4, ("Unable to find master browser by "
 101                                   "broadcast\n"));
 102                         return False;
 103         }
 104
 105         if (!cli_NetServerEnum(cli, master_workgroup,
 106                                SV_TYPE_DOMAIN_ENUM, add_name, &workgroups))
 107                 return False;
 108
 109         return True;
 110 }
 111
 112 /* Retrieve the list of servers for a given workgroup */
 113
 114 static bool get_servers(char *workgroup, struct user_auth_info *user_info)
 115 {
 116         struct cli_state *cli;
 117         struct sockaddr_storage server_ss;
 118         char addr[INET6_ADDRSTRLEN];
 119
 120         /* Open an IPC$ connection to the master browser for the workgroup */
 121
 122         if (!find_master_ip(workgroup, &server_ss)) {
 123                 DEBUG(4, ("Cannot find master browser for workgroup %s\n",
 124                           workgroup));
 125                 return False;
 126         }
 127
 128         print_sockaddr(addr, sizeof(addr), &server_ss);
 129         if (!(cli = get_ipc_connect(addr, &server_ss, user_info)))
 130                 return False;
 131
 132         if (!cli_NetServerEnum(cli, workgroup, SV_TYPE_ALL, add_name,
 133                                &servers))
 134                 return False;
 135
 136         return True;
 137 }
 138
 139 static bool get_rpc_shares(struct cli_state *cli,
 140                            void (*fn)(const char *, uint32, const char *, void *),
 141                            void *state)
 142 {
 143         NTSTATUS status;
 144         struct rpc_pipe_client *pipe_hnd;
 145         TALLOC_CTX *mem_ctx;
 146         ENUM_HND enum_hnd;
 147         WERROR werr;
 148         SRV_SHARE_INFO_CTR ctr;
 149         int i;
 150
 151         mem_ctx = talloc_new(NULL);
 152         if (mem_ctx == NULL) {
 153                 DEBUG(0, ("talloc_new failed\n"));
 154                 return False;
 155         }
 156
 157         init_enum_hnd(&enum_hnd, 0);
 158
 159         pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SRVSVC, &status);
 160
 161         if (pipe_hnd == NULL) {
 162                 DEBUG(10, ("Could not connect to srvsvc pipe: %s\n",
 163                            nt_errstr(status)));
 164                 TALLOC_FREE(mem_ctx);
 165                 return False;
 166         }
 167
 168         werr = rpccli_srvsvc_net_share_enum(pipe_hnd, mem_ctx, 1, &ctr,
 169                                             0xffffffff, &enum_hnd);
 170
 171         if (!W_ERROR_IS_OK(werr)) {
 172                 TALLOC_FREE(mem_ctx);
 173                 cli_rpc_pipe_close(pipe_hnd);
 174                 return False;
 175         }
 176
 177         for (i=0; i<ctr.num_entries; i++) {
 178                 SRV_SHARE_INFO_1 *info = &ctr.share.info1[i];
 179                 char *name, *comment;
 180                 name = rpcstr_pull_unistr2_talloc(
 181                         mem_ctx, &info->info_1_str.uni_netname);
 182                 comment = rpcstr_pull_unistr2_talloc(
 183                         mem_ctx, &info->info_1_str.uni_remark);
 184                 fn(name, info->info_1.type, comment, state);
 185         }
 186
 187         TALLOC_FREE(mem_ctx);
 188         cli_rpc_pipe_close(pipe_hnd);
 189         return True;
 190 }
 191
 192
 193 static bool get_shares(char *server_name, struct user_auth_info *user_info)
 194 {
 195         struct cli_state *cli;
 196
 197         if (!(cli = get_ipc_connect(server_name, NULL, user_info)))
 198                 return False;
 199
 200         if (get_rpc_shares(cli, add_name, &shares))
 201                 return True;
 202
 203         if (!cli_RNetShareEnum(cli, add_name, &shares))
 204                 return False;
 205
 206         return True;
 207 }
 208
 209 static bool print_tree(struct user_auth_info *user_info)
 210 {
 211         struct name_list *wg, *sv, *sh;
 212
 213         /* List workgroups */
 214
 215         if (!get_workgroups(user_info))
 216                 return False;
 217
 218         for (wg = workgroups; wg; wg = wg->next) {
 219
 220                 printf("%s\n", wg->name);
 221
 222                 /* List servers */
 223
 224                 free_name_list(servers);
 225                 servers = NULL;
 226
 227                 if (level == LEV_WORKGROUP ||
 228                     !get_servers(wg->name, user_info))
 229                         continue;
 230
 231                 for (sv = servers; sv; sv = sv->next) {
 232
 233                         printf("\t\\\\%-15s\t\t%s\n",
 234                                sv->name, sv->comment);
 235
 236                         /* List shares */
 237
 238                         free_name_list(shares);
 239                         shares = NULL;
 240
 241                         if (level == LEV_SERVER ||
 242                             !get_shares(sv->name, user_info))
 243                                 continue;
 244
 245                         for (sh = shares; sh; sh = sh->next) {
 246                                 printf("\t\t\\\\%s\\%-15s\t%s\n",
 247                                        sv->name, sh->name, sh->comment);
 248                         }
 249                 }
 250         }
 251
 252         return True;
 253 }
 254
 255 /****************************************************************************
 256   main program
 257 ****************************************************************************/
 258  int main(int argc,char *argv[])
 259 {
 260         TALLOC_CTX *frame = talloc_stackframe();
 261         struct poptOption long_options[] = {
 262                 POPT_AUTOHELP
 263                 { "broadcast", 'b', POPT_ARG_VAL, &use_bcast, True, "Use broadcast instead of using the master browser" },
 264                 { "domains", 'D', POPT_ARG_VAL, &level, LEV_WORKGROUP, "List only domains (workgroups) of tree" },
 265                 { "servers", 'S', POPT_ARG_VAL, &level, LEV_SERVER, "List domains(workgroups) and servers of tree" },
 266                 POPT_COMMON_SAMBA
 267                 POPT_COMMON_CREDENTIALS
 268                 POPT_TABLEEND
 269         };
 270         poptContext pc;
 271
 272         /* Initialise samba stuff */
 273         load_case_tables();
 274
 275         setlinebuf(stdout);
 276
 277         dbf = x_stderr;
 278
 279         setup_logging(argv[0],True);
 280
 281         pc = poptGetContext("smbtree", argc, (const char **)argv, long_options,
 282                                                 POPT_CONTEXT_KEEP_FIRST);
 283         while(poptGetNextOpt(pc) != -1);
 284         poptFreeContext(pc);
 285
 286         lp_load(dyn_CONFIGFILE,True,False,False,True);
 287         load_interfaces();
 288
 289         /* Parse command line args */
 290
 291         if (!cmdline_auth_info.got_pass) {
 292                 char *pass = getpass("Password: ");
 293                 if (pass) {
 294                         pstrcpy(cmdline_auth_info.password, pass);
 295                 }
 296         cmdline_auth_info.got_pass = True;
 297         }
 298
 299         /* Now do our stuff */
 300
 301         if (!print_tree(&cmdline_auth_info)) {
 302                 TALLOC_FREE(frame);
 303                 return 1;
 304         }
 305
 306         TALLOC_FREE(frame);
 307         return 0;
 308 }