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 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 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(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, falling back to broadcast\n",
 100                           master_workgroup));
 101                                 use_bcast = True;
 102                 } else if(!use_bcast) {
 103                         char addr[INET6_ADDRSTRLEN];
 104                         print_sockaddr(addr, sizeof(addr), &server_ss);
 105                         if (!(cli = get_ipc_connect(addr, &server_ss, user_info)))
 106                                 return False;
 107                 }
 108
 109                 if (!(cli = get_ipc_connect_master_ip_bcast(talloc_tos(),
 110                                                         user_info,
 111                                                         &master_workgroup))) {
 112                         DEBUG(4, ("Unable to find master browser by "
 113                                   "broadcast\n"));
 114                         return False;
 115         }
 116
 117         if (!cli_NetServerEnum(cli, master_workgroup,
 118                                SV_TYPE_DOMAIN_ENUM, add_name, &workgroups))
 119                 return False;
 120
 121         return True;
 122 }
 123
 124 /* Retrieve the list of servers for a given workgroup */
 125
 126 static bool get_servers(char *workgroup, struct user_auth_info *user_info)
 127 {
 128         struct cli_state *cli;
 129         struct sockaddr_storage server_ss;
 130         char addr[INET6_ADDRSTRLEN];
 131
 132         /* Open an IPC$ connection to the master browser for the workgroup */
 133
 134         if (!find_master_ip(workgroup, &server_ss)) {
 135                 DEBUG(4, ("Cannot find master browser for workgroup %s\n",
 136                           workgroup));
 137                 return False;
 138         }
 139
 140         print_sockaddr(addr, sizeof(addr), &server_ss);
 141         if (!(cli = get_ipc_connect(addr, &server_ss, user_info)))
 142                 return False;
 143
 144         if (!cli_NetServerEnum(cli, workgroup, SV_TYPE_ALL, add_name,
 145                                &servers))
 146                 return False;
 147
 148         return True;
 149 }
 150
 151 static bool get_rpc_shares(struct cli_state *cli,
 152                            void (*fn)(const char *, uint32, const char *, void *),
 153                            void *state)
 154 {
 155         NTSTATUS status;
 156         struct rpc_pipe_client *pipe_hnd = NULL;
 157         TALLOC_CTX *mem_ctx;
 158         WERROR werr;
 159         struct srvsvc_NetShareInfoCtr info_ctr;
 160         struct srvsvc_NetShareCtr1 ctr1;
 161         int i;
 162         uint32_t resume_handle = 0;
 163         uint32_t total_entries = 0;
 164         struct dcerpc_binding_handle *b;
 165
 166         mem_ctx = talloc_new(NULL);
 167         if (mem_ctx == NULL) {
 168                 DEBUG(0, ("talloc_new failed\n"));
 169                 return False;
 170         }
 171
 172         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_srvsvc.syntax_id,
 173                                           &pipe_hnd);
 174
 175         if (!NT_STATUS_IS_OK(status)) {
 176                 DEBUG(10, ("Could not connect to srvsvc pipe: %s\n",
 177                            nt_errstr(status)));
 178                 TALLOC_FREE(mem_ctx);
 179                 return False;
 180         }
 181
 182         b = pipe_hnd->binding_handle;
 183
 184         ZERO_STRUCT(info_ctr);
 185         ZERO_STRUCT(ctr1);
 186
 187         info_ctr.level = 1;
 188         info_ctr.ctr.ctr1 = &ctr1;
 189
 190         status = dcerpc_srvsvc_NetShareEnumAll(b, mem_ctx,
 191                                                pipe_hnd->desthost,
 192                                                &info_ctr,
 193                                                0xffffffff,
 194                                                &total_entries,
 195                                                &resume_handle,
 196                                                &werr);
 197
 198         if (!NT_STATUS_IS_OK(status) || !W_ERROR_IS_OK(werr)) {
 199                 TALLOC_FREE(mem_ctx);
 200                 TALLOC_FREE(pipe_hnd);
 201                 return False;
 202         }
 203
 204         for (i=0; i<total_entries; i++) {
 205                 struct srvsvc_NetShareInfo1 info = info_ctr.ctr.ctr1->array[i];
 206                 fn(info.name, info.type, info.comment, state);
 207         }
 208
 209         TALLOC_FREE(mem_ctx);
 210         TALLOC_FREE(pipe_hnd);
 211         return True;
 212 }
 213
 214
 215 static bool get_shares(char *server_name, struct user_auth_info *user_info)
 216 {
 217         struct cli_state *cli;
 218
 219         if (!(cli = get_ipc_connect(server_name, NULL, user_info)))
 220                 return False;
 221
 222         if (get_rpc_shares(cli, add_name, &shares))
 223                 return True;
 224
 225         if (!cli_RNetShareEnum(cli, add_name, &shares))
 226                 return False;
 227
 228         return True;
 229 }
 230
 231 static bool print_tree(struct user_auth_info *user_info)
 232 {
 233         struct smb_name_list *wg, *sv, *sh;
 234
 235         /* List workgroups */
 236
 237         if (!get_workgroups(user_info))
 238                 return False;
 239
 240         for (wg = workgroups; wg; wg = wg->next) {
 241
 242                 printf("%s\n", wg->name);
 243
 244                 /* List servers */
 245
 246                 free_name_list(servers);
 247                 servers = NULL;
 248
 249                 if (level == LEV_WORKGROUP ||
 250                     !get_servers(wg->name, user_info))
 251                         continue;
 252
 253                 for (sv = servers; sv; sv = sv->next) {
 254
 255                         printf("\t\\\\%-15s\t\t%s\n",
 256                                sv->name, sv->comment);
 257
 258                         /* List shares */
 259
 260                         free_name_list(shares);
 261                         shares = NULL;
 262
 263                         if (level == LEV_SERVER ||
 264                             !get_shares(sv->name, user_info))
 265                                 continue;
 266
 267                         for (sh = shares; sh; sh = sh->next) {
 268                                 printf("\t\t\\\\%s\\%-15s\t%s\n",
 269                                        sv->name, sh->name, sh->comment);
 270                         }
 271                 }
 272         }
 273
 274         return True;
 275 }
 276
 277 /****************************************************************************
 278   main program
 279 ****************************************************************************/
 280  int main(int argc,char *argv[])
 281 {
 282         TALLOC_CTX *frame = talloc_stackframe();
 283         struct user_auth_info *auth_info;
 284         struct poptOption long_options[] = {
 285                 POPT_AUTOHELP
 286                 { "broadcast", 'b', POPT_ARG_VAL, &use_bcast, True, "Use broadcast instead of using the master browser" },
 287                 { "domains", 'D', POPT_ARG_VAL, &level, LEV_WORKGROUP, "List only domains (workgroups) of tree" },
 288                 { "servers", 'S', POPT_ARG_VAL, &level, LEV_SERVER, "List domains(workgroups) and servers of tree" },
 289                 POPT_COMMON_SAMBA
 290                 POPT_COMMON_CREDENTIALS
 291                 POPT_TABLEEND
 292         };
 293         poptContext pc;
 294
 295         /* Initialise samba stuff */
 296         load_case_tables();
 297
 298         setlinebuf(stdout);
 299
 300         setup_logging(argv[0], DEBUG_STDERR);
 301
 302         auth_info = user_auth_info_init(frame);
 303         if (auth_info == NULL) {
 304                 exit(1);
 305         }
 306         popt_common_set_auth_info(auth_info);
 307
 308         pc = poptGetContext("smbtree", argc, (const char **)argv, long_options,
 309                                                 POPT_CONTEXT_KEEP_FIRST);
 310         while(poptGetNextOpt(pc) != -1);
 311         poptFreeContext(pc);
 312
 313         lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
 314         load_interfaces();
 315
 316         /* Parse command line args */
 317
 318         if (get_cmdline_auth_info_use_machine_account(auth_info) &&
 319             !set_cmdline_auth_info_machine_account_creds(auth_info)) {
 320                 TALLOC_FREE(frame);
 321                 return 1;
 322         }
 323
 324         set_cmdline_auth_info_getpass(auth_info);
 325
 326         /* Now do our stuff */
 327
 328         if (!print_tree(auth_info)) {
 329                 TALLOC_FREE(frame);
 330                 return 1;
 331         }
 332
 333         TALLOC_FREE(frame);
 334         return 0;
 335 }