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 #include "../librpc/gen_ndr/cli_srvsvc.h"
  24
  25 static int use_bcast;
  26
  27 /* How low can we go? */
  28
  29 enum tree_level {LEV_WORKGROUP, LEV_SERVER, LEV_SHARE};
  30 static enum tree_level level = LEV_SHARE;
  31
  32 /* Holds a list of workgroups or servers */
  33
  34 struct smb_name_list {
  35         struct smb_name_list *prev, *next;
  36         char *name, *comment;
  37         uint32 server_type;
  38 };
  39
  40 static struct smb_name_list *workgroups, *servers, *shares;
  41
  42 static void free_name_list(struct smb_name_list *list)
  43 {
  44         while(list)
  45                 DLIST_REMOVE(list, list);
  46 }
  47
  48 static void add_name(const char *machine_name, uint32 server_type,
  49                      const char *comment, void *state)
  50 {
  51         struct smb_name_list **name_list = (struct smb_name_list **)state;
  52         struct smb_name_list *new_name;
  53
  54         new_name = SMB_MALLOC_P(struct smb_name_list);
  55
  56         if (!new_name)
  57                 return;
  58
  59         ZERO_STRUCTP(new_name);
  60
  61         new_name->name = SMB_STRDUP(machine_name);
  62         new_name->comment = SMB_STRDUP(comment);
  63         new_name->server_type = server_type;
  64
  65         if (!new_name->name || !new_name->comment) {
  66                 SAFE_FREE(new_name->name);
  67                 SAFE_FREE(new_name->comment);
  68                 SAFE_FREE(new_name);
  69                 return;
  70         }
  71
  72         DLIST_ADD(*name_list, new_name);
  73 }
  74
  75 /****************************************************************************
  76   display tree of smb workgroups, servers and shares
  77 ****************************************************************************/
  78 static bool get_workgroups(struct user_auth_info *user_info)
  79 {
  80         struct cli_state *cli;
  81         struct sockaddr_storage server_ss;
  82         TALLOC_CTX *ctx = talloc_tos();
  83         char *master_workgroup = NULL;
  84
  85         /* Try to connect to a #1d name of our current workgroup.  If that
  86            doesn't work broadcast for a master browser and then jump off
  87            that workgroup. */
  88
  89         master_workgroup = talloc_strdup(ctx, lp_workgroup());
  90         if (!master_workgroup) {
  91                 return false;
  92         }
  93
  94         if (!use_bcast && !find_master_ip(lp_workgroup(), &server_ss)) {
  95                 DEBUG(4, ("Unable to find master browser for workgroup %s, falling back to broadcast\n",
  96                           master_workgroup));
  97                                 use_bcast = True;
  98                 } else if(!use_bcast) {
  99                         char addr[INET6_ADDRSTRLEN];
 100                         print_sockaddr(addr, sizeof(addr), &server_ss);
 101                         if (!(cli = get_ipc_connect(addr, &server_ss, user_info)))
 102                                 return False;
 103                 }
 104
 105                 if (!(cli = get_ipc_connect_master_ip_bcast(talloc_tos(),
 106                                                         user_info,
 107                                                         &master_workgroup))) {
 108                         DEBUG(4, ("Unable to find master browser by "
 109                                   "broadcast\n"));
 110                         return False;
 111         }
 112
 113         if (!cli_NetServerEnum(cli, master_workgroup,
 114                                SV_TYPE_DOMAIN_ENUM, add_name, &workgroups))
 115                 return False;
 116
 117         return True;
 118 }
 119
 120 /* Retrieve the list of servers for a given workgroup */
 121
 122 static bool get_servers(char *workgroup, struct user_auth_info *user_info)
 123 {
 124         struct cli_state *cli;
 125         struct sockaddr_storage server_ss;
 126         char addr[INET6_ADDRSTRLEN];
 127
 128         /* Open an IPC$ connection to the master browser for the workgroup */
 129
 130         if (!find_master_ip(workgroup, &server_ss)) {
 131                 DEBUG(4, ("Cannot find master browser for workgroup %s\n",
 132                           workgroup));
 133                 return False;
 134         }
 135
 136         print_sockaddr(addr, sizeof(addr), &server_ss);
 137         if (!(cli = get_ipc_connect(addr, &server_ss, user_info)))
 138                 return False;
 139
 140         if (!cli_NetServerEnum(cli, workgroup, SV_TYPE_ALL, add_name,
 141                                &servers))
 142                 return False;
 143
 144         return True;
 145 }
 146
 147 static bool get_rpc_shares(struct cli_state *cli,
 148                            void (*fn)(const char *, uint32, const char *, void *),
 149                            void *state)
 150 {
 151         NTSTATUS status;
 152         struct rpc_pipe_client *pipe_hnd = NULL;
 153         TALLOC_CTX *mem_ctx;
 154         WERROR werr;
 155         struct srvsvc_NetShareInfoCtr info_ctr;
 156         struct srvsvc_NetShareCtr1 ctr1;
 157         int i;
 158         uint32_t resume_handle = 0;
 159         uint32_t total_entries = 0;
 160
 161         mem_ctx = talloc_new(NULL);
 162         if (mem_ctx == NULL) {
 163                 DEBUG(0, ("talloc_new failed\n"));
 164                 return False;
 165         }
 166
 167         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_srvsvc.syntax_id,
 168                                           &pipe_hnd);
 169
 170         if (!NT_STATUS_IS_OK(status)) {
 171                 DEBUG(10, ("Could not connect to srvsvc pipe: %s\n",
 172                            nt_errstr(status)));
 173                 TALLOC_FREE(mem_ctx);
 174                 return False;
 175         }
 176
 177         ZERO_STRUCT(info_ctr);
 178         ZERO_STRUCT(ctr1);
 179
 180         info_ctr.level = 1;
 181         info_ctr.ctr.ctr1 = &ctr1;
 182
 183         status = rpccli_srvsvc_NetShareEnumAll(pipe_hnd, mem_ctx,
 184                                                pipe_hnd->desthost,
 185                                                &info_ctr,
 186                                                0xffffffff,
 187                                                &total_entries,
 188                                                &resume_handle,
 189                                                &werr);
 190
 191         if (!NT_STATUS_IS_OK(status) || !W_ERROR_IS_OK(werr)) {
 192                 TALLOC_FREE(mem_ctx);
 193                 TALLOC_FREE(pipe_hnd);
 194                 return False;
 195         }
 196
 197         for (i=0; i<total_entries; i++) {
 198                 struct srvsvc_NetShareInfo1 info = info_ctr.ctr.ctr1->array[i];
 199                 fn(info.name, info.type, info.comment, state);
 200         }
 201
 202         TALLOC_FREE(mem_ctx);
 203         TALLOC_FREE(pipe_hnd);
 204         return True;
 205 }
 206
 207
 208 static bool get_shares(char *server_name, struct user_auth_info *user_info)
 209 {
 210         struct cli_state *cli;
 211
 212         if (!(cli = get_ipc_connect(server_name, NULL, user_info)))
 213                 return False;
 214
 215         if (get_rpc_shares(cli, add_name, &shares))
 216                 return True;
 217
 218         if (!cli_RNetShareEnum(cli, add_name, &shares))
 219                 return False;
 220
 221         return True;
 222 }
 223
 224 static bool print_tree(struct user_auth_info *user_info)
 225 {
 226         struct smb_name_list *wg, *sv, *sh;
 227
 228         /* List workgroups */
 229
 230         if (!get_workgroups(user_info))
 231                 return False;
 232
 233         for (wg = workgroups; wg; wg = wg->next) {
 234
 235                 printf("%s\n", wg->name);
 236
 237                 /* List servers */
 238
 239                 free_name_list(servers);
 240                 servers = NULL;
 241
 242                 if (level == LEV_WORKGROUP ||
 243                     !get_servers(wg->name, user_info))
 244                         continue;
 245
 246                 for (sv = servers; sv; sv = sv->next) {
 247
 248                         printf("\t\\\\%-15s\t\t%s\n",
 249                                sv->name, sv->comment);
 250
 251                         /* List shares */
 252
 253                         free_name_list(shares);
 254                         shares = NULL;
 255
 256                         if (level == LEV_SERVER ||
 257                             !get_shares(sv->name, user_info))
 258                                 continue;
 259
 260                         for (sh = shares; sh; sh = sh->next) {
 261                                 printf("\t\t\\\\%s\\%-15s\t%s\n",
 262                                        sv->name, sh->name, sh->comment);
 263                         }
 264                 }
 265         }
 266
 267         return True;
 268 }
 269
 270 /****************************************************************************
 271   main program
 272 ****************************************************************************/
 273  int main(int argc,char *argv[])
 274 {
 275         TALLOC_CTX *frame = talloc_stackframe();
 276         struct user_auth_info *auth_info;
 277         struct poptOption long_options[] = {
 278                 POPT_AUTOHELP
 279                 { "broadcast", 'b', POPT_ARG_VAL, &use_bcast, True, "Use broadcast instead of using the master browser" },
 280                 { "domains", 'D', POPT_ARG_VAL, &level, LEV_WORKGROUP, "List only domains (workgroups) of tree" },
 281                 { "servers", 'S', POPT_ARG_VAL, &level, LEV_SERVER, "List domains(workgroups) and servers of tree" },
 282                 POPT_COMMON_SAMBA
 283                 POPT_COMMON_CREDENTIALS
 284                 POPT_TABLEEND
 285         };
 286         poptContext pc;
 287
 288         /* Initialise samba stuff */
 289         load_case_tables();
 290
 291         setlinebuf(stdout);
 292
 293         dbf = x_stderr;
 294
 295         setup_logging(argv[0],True);
 296
 297         auth_info = user_auth_info_init(frame);
 298         if (auth_info == NULL) {
 299                 exit(1);
 300         }
 301         popt_common_set_auth_info(auth_info);
 302
 303         pc = poptGetContext("smbtree", argc, (const char **)argv, long_options,
 304                                                 POPT_CONTEXT_KEEP_FIRST);
 305         while(poptGetNextOpt(pc) != -1);
 306         poptFreeContext(pc);
 307
 308         lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
 309         load_interfaces();
 310
 311         /* Parse command line args */
 312
 313         if (get_cmdline_auth_info_use_machine_account(auth_info) &&
 314             !set_cmdline_auth_info_machine_account_creds(auth_info)) {
 315                 TALLOC_FREE(frame);
 316                 return 1;
 317         }
 318
 319         set_cmdline_auth_info_getpass(auth_info);
 320
 321         /* Now do our stuff */
 322
 323         if (!print_tree(auth_info)) {
 324                 TALLOC_FREE(frame);
 325                 return 1;
 326         }
 327
 328         TALLOC_FREE(frame);
 329         return 0;
 330 }