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 "popt_common.h"
  24 #include "../librpc/gen_ndr/ndr_srvsvc_c.h"
  25
  26 static int use_bcast;
  27
  28 /* How low can we go? */
  29
  30 enum tree_level {LEV_WORKGROUP, LEV_SERVER, LEV_SHARE};
  31 static enum tree_level level = LEV_SHARE;
  32
  33 /* Holds a list of workgroups or servers */
  34
  35 struct smb_name_list {
  36         struct smb_name_list *prev, *next;
  37         char *name, *comment;
  38         uint32 server_type;
  39 };
  40
  41 static struct smb_name_list *workgroups, *servers, *shares;
  42
  43 static void free_name_list(struct smb_name_list *list)
  44 {
  45         while(list)
  46                 DLIST_REMOVE(list, list);
  47 }
  48
  49 static void add_name(const char *machine_name, uint32 server_type,
  50                      const char *comment, void *state)
  51 {
  52         struct smb_name_list **name_list = (struct smb_name_list **)state;
  53         struct smb_name_list *new_name;
  54
  55         new_name = SMB_MALLOC_P(struct smb_name_list);
  56
  57         if (!new_name)
  58                 return;
  59
  60         ZERO_STRUCTP(new_name);
  61
  62         new_name->name = SMB_STRDUP(machine_name);
  63         new_name->comment = SMB_STRDUP(comment);
  64         new_name->server_type = server_type;
  65
  66         if (!new_name->name || !new_name->comment) {
  67                 SAFE_FREE(new_name->name);
  68                 SAFE_FREE(new_name->comment);
  69                 SAFE_FREE(new_name);
  70                 return;
  71         }
  72
  73         DLIST_ADD(*name_list, new_name);
  74 }
  75
  76 /****************************************************************************
  77   display tree of smb workgroups, servers and shares
  78 ****************************************************************************/
  79 static bool get_workgroups(struct user_auth_info *user_info)
  80 {
  81         struct cli_state *cli;
  82         struct sockaddr_storage server_ss;
  83         TALLOC_CTX *ctx = talloc_tos();
  84         char *master_workgroup = NULL;
  85
  86         /* Try to connect to a #1d name of our current workgroup.  If that
  87            doesn't work broadcast for a master browser and then jump off
  88            that workgroup. */
  89
  90         master_workgroup = talloc_strdup(ctx, lp_workgroup());
  91         if (!master_workgroup) {
  92                 return false;
  93         }
  94
  95         if (!use_bcast && !find_master_ip(lp_workgroup(), &server_ss)) {
  96                 DEBUG(4, ("Unable to find master browser for workgroup %s, falling back to broadcast\n",
  97                           master_workgroup));
  98                                 use_bcast = True;
  99                 } else if(!use_bcast) {
 100                         char addr[INET6_ADDRSTRLEN];
 101                         print_sockaddr(addr, sizeof(addr), &server_ss);
 102                         if (!(cli = get_ipc_connect(addr, &server_ss, user_info)))
 103                                 return False;
 104                 }
 105
 106                 if (!(cli = get_ipc_connect_master_ip_bcast(talloc_tos(),
 107                                                         user_info,
 108                                                         &master_workgroup))) {
 109                         DEBUG(4, ("Unable to find master browser by "
 110                                   "broadcast\n"));
 111                         return False;
 112         }
 113
 114         if (!cli_NetServerEnum(cli, master_workgroup,
 115                                SV_TYPE_DOMAIN_ENUM, add_name, &workgroups))
 116                 return False;
 117
 118         return True;
 119 }
 120
 121 /* Retrieve the list of servers for a given workgroup */
 122
 123 static bool get_servers(char *workgroup, struct user_auth_info *user_info)
 124 {
 125         struct cli_state *cli;
 126         struct sockaddr_storage server_ss;
 127         char addr[INET6_ADDRSTRLEN];
 128
 129         /* Open an IPC$ connection to the master browser for the workgroup */
 130
 131         if (!find_master_ip(workgroup, &server_ss)) {
 132                 DEBUG(4, ("Cannot find master browser for workgroup %s\n",
 133                           workgroup));
 134                 return False;
 135         }
 136
 137         print_sockaddr(addr, sizeof(addr), &server_ss);
 138         if (!(cli = get_ipc_connect(addr, &server_ss, user_info)))
 139                 return False;
 140
 141         if (!cli_NetServerEnum(cli, workgroup, SV_TYPE_ALL, add_name,
 142                                &servers))
 143                 return False;
 144
 145         return True;
 146 }
 147
 148 static bool get_rpc_shares(struct cli_state *cli,
 149                            void (*fn)(const char *, uint32, const char *, void *),
 150                            void *state)
 151 {
 152         NTSTATUS status;
 153         struct rpc_pipe_client *pipe_hnd = NULL;
 154         TALLOC_CTX *mem_ctx;
 155         WERROR werr;
 156         struct srvsvc_NetShareInfoCtr info_ctr;
 157         struct srvsvc_NetShareCtr1 ctr1;
 158         int i;
 159         uint32_t resume_handle = 0;
 160         uint32_t total_entries = 0;
 161         struct dcerpc_binding_handle *b;
 162
 163         mem_ctx = talloc_new(NULL);
 164         if (mem_ctx == NULL) {
 165                 DEBUG(0, ("talloc_new failed\n"));
 166                 return False;
 167         }
 168
 169         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_srvsvc.syntax_id,
 170                                           &pipe_hnd);
 171
 172         if (!NT_STATUS_IS_OK(status)) {
 173                 DEBUG(10, ("Could not connect to srvsvc pipe: %s\n",
 174                            nt_errstr(status)));
 175                 TALLOC_FREE(mem_ctx);
 176                 return False;
 177         }
 178
 179         b = pipe_hnd->binding_handle;
 180
 181         ZERO_STRUCT(info_ctr);
 182         ZERO_STRUCT(ctr1);
 183
 184         info_ctr.level = 1;
 185         info_ctr.ctr.ctr1 = &ctr1;
 186
 187         status = dcerpc_srvsvc_NetShareEnumAll(b, mem_ctx,
 188                                                pipe_hnd->desthost,
 189                                                &info_ctr,
 190                                                0xffffffff,
 191                                                &total_entries,
 192                                                &resume_handle,
 193                                                &werr);
 194
 195         if (!NT_STATUS_IS_OK(status) || !W_ERROR_IS_OK(werr)) {
 196                 TALLOC_FREE(mem_ctx);
 197                 TALLOC_FREE(pipe_hnd);
 198                 return False;
 199         }
 200
 201         for (i=0; i<total_entries; i++) {
 202                 struct srvsvc_NetShareInfo1 info = info_ctr.ctr.ctr1->array[i];
 203                 fn(info.name, info.type, info.comment, state);
 204         }
 205
 206         TALLOC_FREE(mem_ctx);
 207         TALLOC_FREE(pipe_hnd);
 208         return True;
 209 }
 210
 211
 212 static bool get_shares(char *server_name, struct user_auth_info *user_info)
 213 {
 214         struct cli_state *cli;
 215
 216         if (!(cli = get_ipc_connect(server_name, NULL, user_info)))
 217                 return False;
 218
 219         if (get_rpc_shares(cli, add_name, &shares))
 220                 return True;
 221
 222         if (!cli_RNetShareEnum(cli, add_name, &shares))
 223                 return False;
 224
 225         return True;
 226 }
 227
 228 static bool print_tree(struct user_auth_info *user_info)
 229 {
 230         struct smb_name_list *wg, *sv, *sh;
 231
 232         /* List workgroups */
 233
 234         if (!get_workgroups(user_info))
 235                 return False;
 236
 237         for (wg = workgroups; wg; wg = wg->next) {
 238
 239                 printf("%s\n", wg->name);
 240
 241                 /* List servers */
 242
 243                 free_name_list(servers);
 244                 servers = NULL;
 245
 246                 if (level == LEV_WORKGROUP ||
 247                     !get_servers(wg->name, user_info))
 248                         continue;
 249
 250                 for (sv = servers; sv; sv = sv->next) {
 251
 252                         printf("\t\\\\%-15s\t\t%s\n",
 253                                sv->name, sv->comment);
 254
 255                         /* List shares */
 256
 257                         free_name_list(shares);
 258                         shares = NULL;
 259
 260                         if (level == LEV_SERVER ||
 261                             !get_shares(sv->name, user_info))
 262                                 continue;
 263
 264                         for (sh = shares; sh; sh = sh->next) {
 265                                 printf("\t\t\\\\%s\\%-15s\t%s\n",
 266                                        sv->name, sh->name, sh->comment);
 267                         }
 268                 }
 269         }
 270
 271         return True;
 272 }
 273
 274 /****************************************************************************
 275   main program
 276 ****************************************************************************/
 277  int main(int argc,char *argv[])
 278 {
 279         TALLOC_CTX *frame = talloc_stackframe();
 280         struct user_auth_info *auth_info;
 281         struct poptOption long_options[] = {
 282                 POPT_AUTOHELP
 283                 { "broadcast", 'b', POPT_ARG_VAL, &use_bcast, True, "Use broadcast instead of using the master browser" },
 284                 { "domains", 'D', POPT_ARG_VAL, &level, LEV_WORKGROUP, "List only domains (workgroups) of tree" },
 285                 { "servers", 'S', POPT_ARG_VAL, &level, LEV_SERVER, "List domains(workgroups) and servers of tree" },
 286                 POPT_COMMON_SAMBA
 287                 POPT_COMMON_CREDENTIALS
 288                 POPT_TABLEEND
 289         };
 290         poptContext pc;
 291
 292         /* Initialise samba stuff */
 293         load_case_tables();
 294
 295         setlinebuf(stdout);
 296
 297         setup_logging(argv[0], DEBUG_STDERR);
 298
 299         auth_info = user_auth_info_init(frame);
 300         if (auth_info == NULL) {
 301                 exit(1);
 302         }
 303         popt_common_set_auth_info(auth_info);
 304
 305         pc = poptGetContext("smbtree", argc, (const char **)argv, long_options,
 306                                                 POPT_CONTEXT_KEEP_FIRST);
 307         while(poptGetNextOpt(pc) != -1);
 308         poptFreeContext(pc);
 309
 310         lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
 311         load_interfaces();
 312
 313         /* Parse command line args */
 314
 315         if (get_cmdline_auth_info_use_machine_account(auth_info) &&
 316             !set_cmdline_auth_info_machine_account_creds(auth_info)) {
 317                 TALLOC_FREE(frame);
 318                 return 1;
 319         }
 320
 321         set_cmdline_auth_info_getpass(auth_info);
 322
 323         /* Now do our stuff */
 324
 325         if (!print_tree(auth_info)) {
 326                 TALLOC_FREE(frame);
 327                 return 1;
 328         }
 329
 330         TALLOC_FREE(frame);
 331         return 0;
 332 }