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/clirap.h"
  27
  28 static int use_bcast;
  29
  30 /* How low can we go? */
  31
  32 enum tree_level {LEV_WORKGROUP, LEV_SERVER, LEV_SHARE};
  33 static enum tree_level level = LEV_SHARE;
  34
  35 /* Holds a list of workgroups or servers */
  36
  37 struct smb_name_list {
  38         struct smb_name_list *prev, *next;
  39         char *name, *comment;
  40         uint32 server_type;
  41 };
  42
  43 static struct smb_name_list *workgroups, *servers, *shares;
  44
  45 static void free_name_list(struct smb_name_list *list)
  46 {
  47         while(list)
  48                 DLIST_REMOVE(list, list);
  49 }
  50
  51 static void add_name(const char *machine_name, uint32 server_type,
  52                      const char *comment, void *state)
  53 {
  54         struct smb_name_list **name_list = (struct smb_name_list **)state;
  55         struct smb_name_list *new_name;
  56
  57         new_name = SMB_MALLOC_P(struct smb_name_list);
  58
  59         if (!new_name)
  60                 return;
  61
  62         ZERO_STRUCTP(new_name);
  63
  64         new_name->name = SMB_STRDUP(machine_name);
  65         new_name->comment = SMB_STRDUP(comment);
  66         new_name->server_type = server_type;
  67
  68         if (!new_name->name || !new_name->comment) {
  69                 SAFE_FREE(new_name->name);
  70                 SAFE_FREE(new_name->comment);
  71                 SAFE_FREE(new_name);
  72                 return;
  73         }
  74
  75         DLIST_ADD(*name_list, new_name);
  76 }
  77
  78 /****************************************************************************
  79   display tree of smb workgroups, servers and shares
  80 ****************************************************************************/
  81 static bool get_workgroups(struct user_auth_info *user_info)
  82 {
  83         struct cli_state *cli;
  84         struct sockaddr_storage server_ss;
  85         TALLOC_CTX *ctx = talloc_tos();
  86         char *master_workgroup = NULL;
  87
  88         /* Try to connect to a #1d name of our current workgroup.  If that
  89            doesn't work broadcast for a master browser and then jump off
  90            that workgroup. */
  91
  92         master_workgroup = talloc_strdup(ctx, lp_workgroup());
  93         if (!master_workgroup) {
  94                 return false;
  95         }
  96
  97         if (!use_bcast && !find_master_ip(lp_workgroup(), &server_ss)) {
  98                 DEBUG(4, ("Unable to find master browser for workgroup %s, falling back to broadcast\n",
  99                           master_workgroup));
 100                                 use_bcast = True;
 101                 } else if(!use_bcast) {
 102                         char addr[INET6_ADDRSTRLEN];
 103                         print_sockaddr(addr, sizeof(addr), &server_ss);
 104                         if (!(cli = get_ipc_connect(addr, &server_ss, user_info)))
 105                                 return False;
 106                 }
 107
 108                 if (!(cli = get_ipc_connect_master_ip_bcast(talloc_tos(),
 109                                                         user_info,
 110                                                         &master_workgroup))) {
 111                         DEBUG(4, ("Unable to find master browser by "
 112                                   "broadcast\n"));
 113                         return False;
 114         }
 115
 116         if (!cli_NetServerEnum(cli, master_workgroup,
 117                                SV_TYPE_DOMAIN_ENUM, add_name, &workgroups))
 118                 return False;
 119
 120         return True;
 121 }
 122
 123 /* Retrieve the list of servers for a given workgroup */
 124
 125 static bool get_servers(char *workgroup, struct user_auth_info *user_info)
 126 {
 127         struct cli_state *cli;
 128         struct sockaddr_storage server_ss;
 129         char addr[INET6_ADDRSTRLEN];
 130
 131         /* Open an IPC$ connection to the master browser for the workgroup */
 132
 133         if (!find_master_ip(workgroup, &server_ss)) {
 134                 DEBUG(4, ("Cannot find master browser for workgroup %s\n",
 135                           workgroup));
 136                 return False;
 137         }
 138
 139         print_sockaddr(addr, sizeof(addr), &server_ss);
 140         if (!(cli = get_ipc_connect(addr, &server_ss, user_info)))
 141                 return False;
 142
 143         if (!cli_NetServerEnum(cli, workgroup, SV_TYPE_ALL, add_name,
 144                                &servers))
 145                 return False;
 146
 147         return True;
 148 }
 149
 150 static bool get_rpc_shares(struct cli_state *cli,
 151                            void (*fn)(const char *, uint32, const char *, void *),
 152                            void *state)
 153 {
 154         NTSTATUS status;
 155         struct rpc_pipe_client *pipe_hnd = NULL;
 156         TALLOC_CTX *mem_ctx;
 157         WERROR werr;
 158         struct srvsvc_NetShareInfoCtr info_ctr;
 159         struct srvsvc_NetShareCtr1 ctr1;
 160         int i;
 161         uint32_t resume_handle = 0;
 162         uint32_t total_entries = 0;
 163         struct dcerpc_binding_handle *b;
 164
 165         mem_ctx = talloc_new(NULL);
 166         if (mem_ctx == NULL) {
 167                 DEBUG(0, ("talloc_new failed\n"));
 168                 return False;
 169         }
 170
 171         status = cli_rpc_pipe_open_noauth(cli, &ndr_table_srvsvc.syntax_id,
 172                                           &pipe_hnd);
 173
 174         if (!NT_STATUS_IS_OK(status)) {
 175                 DEBUG(10, ("Could not connect to srvsvc pipe: %s\n",
 176                            nt_errstr(status)));
 177                 TALLOC_FREE(mem_ctx);
 178                 return False;
 179         }
 180
 181         b = pipe_hnd->binding_handle;
 182
 183         ZERO_STRUCT(info_ctr);
 184         ZERO_STRUCT(ctr1);
 185
 186         info_ctr.level = 1;
 187         info_ctr.ctr.ctr1 = &ctr1;
 188
 189         status = dcerpc_srvsvc_NetShareEnumAll(b, mem_ctx,
 190                                                pipe_hnd->desthost,
 191                                                &info_ctr,
 192                                                0xffffffff,
 193                                                &total_entries,
 194                                                &resume_handle,
 195                                                &werr);
 196
 197         if (!NT_STATUS_IS_OK(status) || !W_ERROR_IS_OK(werr)) {
 198                 TALLOC_FREE(mem_ctx);
 199                 TALLOC_FREE(pipe_hnd);
 200                 return False;
 201         }
 202
 203         for (i=0; i<total_entries; i++) {
 204                 struct srvsvc_NetShareInfo1 info = info_ctr.ctr.ctr1->array[i];
 205                 fn(info.name, info.type, info.comment, state);
 206         }
 207
 208         TALLOC_FREE(mem_ctx);
 209         TALLOC_FREE(pipe_hnd);
 210         return True;
 211 }
 212
 213
 214 static bool get_shares(char *server_name, struct user_auth_info *user_info)
 215 {
 216         struct cli_state *cli;
 217
 218         if (!(cli = get_ipc_connect(server_name, NULL, user_info)))
 219                 return False;
 220
 221         if (get_rpc_shares(cli, add_name, &shares))
 222                 return True;
 223
 224         if (!cli_RNetShareEnum(cli, add_name, &shares))
 225                 return False;
 226
 227         return True;
 228 }
 229
 230 static bool print_tree(struct user_auth_info *user_info)
 231 {
 232         struct smb_name_list *wg, *sv, *sh;
 233
 234         /* List workgroups */
 235
 236         if (!get_workgroups(user_info))
 237                 return False;
 238
 239         for (wg = workgroups; wg; wg = wg->next) {
 240
 241                 printf("%s\n", wg->name);
 242
 243                 /* List servers */
 244
 245                 free_name_list(servers);
 246                 servers = NULL;
 247
 248                 if (level == LEV_WORKGROUP ||
 249                     !get_servers(wg->name, user_info))
 250                         continue;
 251
 252                 for (sv = servers; sv; sv = sv->next) {
 253
 254                         printf("\t\\\\%-15s\t\t%s\n",
 255                                sv->name, sv->comment);
 256
 257                         /* List shares */
 258
 259                         free_name_list(shares);
 260                         shares = NULL;
 261
 262                         if (level == LEV_SERVER ||
 263                             !get_shares(sv->name, user_info))
 264                                 continue;
 265
 266                         for (sh = shares; sh; sh = sh->next) {
 267                                 printf("\t\t\\\\%s\\%-15s\t%s\n",
 268                                        sv->name, sh->name, sh->comment);
 269                         }
 270                 }
 271         }
 272
 273         return True;
 274 }
 275
 276 /****************************************************************************
 277   main program
 278 ****************************************************************************/
 279  int main(int argc,char *argv[])
 280 {
 281         TALLOC_CTX *frame = talloc_stackframe();
 282         struct user_auth_info *auth_info;
 283         struct poptOption long_options[] = {
 284                 POPT_AUTOHELP
 285                 { "broadcast", 'b', POPT_ARG_VAL, &use_bcast, True, "Use broadcast instead of using the master browser" },
 286                 { "domains", 'D', POPT_ARG_VAL, &level, LEV_WORKGROUP, "List only domains (workgroups) of tree" },
 287                 { "servers", 'S', POPT_ARG_VAL, &level, LEV_SERVER, "List domains(workgroups) and servers of tree" },
 288                 POPT_COMMON_SAMBA
 289                 POPT_COMMON_CREDENTIALS
 290                 POPT_TABLEEND
 291         };
 292         poptContext pc;
 293
 294         /* Initialise samba stuff */
 295         load_case_tables();
 296
 297         setlinebuf(stdout);
 298
 299         setup_logging(argv[0], DEBUG_STDERR);
 300
 301         auth_info = user_auth_info_init(frame);
 302         if (auth_info == NULL) {
 303                 exit(1);
 304         }
 305         popt_common_set_auth_info(auth_info);
 306
 307         pc = poptGetContext("smbtree", argc, (const char **)argv, long_options,
 308                                                 POPT_CONTEXT_KEEP_FIRST);
 309         while(poptGetNextOpt(pc) != -1);
 310         poptFreeContext(pc);
 311
 312         lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
 313         load_interfaces();
 314
 315         /* Parse command line args */
 316
 317         if (get_cmdline_auth_info_use_machine_account(auth_info) &&
 318             !set_cmdline_auth_info_machine_account_creds(auth_info)) {
 319                 TALLOC_FREE(frame);
 320                 return 1;
 321         }
 322
 323         set_cmdline_auth_info_getpass(auth_info);
 324
 325         /* Now do our stuff */
 326
 327         if (!print_tree(auth_info)) {
 328                 TALLOC_FREE(frame);
 329                 return 1;
 330         }
 331
 332         TALLOC_FREE(frame);
 333         return 0;
 334 }