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