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