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