source4/utils/smbtree.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Network neighbourhood browser.
   4
   5    Copyright (C) Tim Potter      2000
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22 #include "includes.h"
  23
  24 static BOOL use_bcast;
  25
  26 struct user_auth_info {
  27         pstring username;
  28         pstring password;
  29         pstring workgroup;
  30 };
  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 static void usage(void)
  38 {
  39         printf(
  40 "Usage: smbtree [options]\n\
  41 \n\
  42 \t-d debuglevel           set debug output level\n\
  43 \t-U username             user to autheticate as\n\
  44 \t-W workgroup            workgroup of user to authenticate as\n\
  45 \t-D                      list only domains (workgroups) of tree\n\
  46 \t-S                      list domains and servers of tree\n\
  47 \t-b                      use bcast instead of using the master browser\n\
  48 \n\
  49 The username can be of the form username%%password or\n\
  50 workgroup\\username%%password.\n\n\
  51 ");
  52 }
  53
  54 /* Holds a list of workgroups or servers */
  55
  56 struct name_list {
  57         struct name_list *prev, *next;
  58         pstring name, comment;
  59         uint32 server_type;
  60 };
  61
  62 static struct name_list *workgroups, *servers, *shares;
  63
  64 static void free_name_list(struct name_list *list)
  65 {
  66         while(list)
  67                 DLIST_REMOVE(list, list);
  68 }
  69
  70 static void add_name(const char *machine_name, uint32 server_type,
  71                      const char *comment, void *state)
  72 {
  73         struct name_list **name_list = (struct name_list **)state;
  74         struct name_list *new_name;
  75
  76         new_name = (struct name_list *)malloc(sizeof(struct name_list));
  77
  78         if (!new_name)
  79                 return;
  80
  81         ZERO_STRUCTP(new_name);
  82
  83         pstrcpy(new_name->name, machine_name);
  84         pstrcpy(new_name->comment, comment);
  85         new_name->server_type = server_type;
  86
  87         DLIST_ADD(*name_list, new_name);
  88 }
  89
  90 /* Return a cli_state pointing at the IPC$ share for the given server */
  91
  92 static struct cli_state *get_ipc_connect(char *server, struct in_addr *server_ip,
  93                                          struct user_auth_info *user_info)
  94 {
  95         struct cli_state *cli;
  96         char *myname;
  97         NTSTATUS nt_status;
  98
  99     myname = get_myname();
 100
 101         nt_status = cli_full_connection(&cli, myname, server, server_ip, 0, "IPC$", "IPC",
 102                                         user_info->username, lp_workgroup(), user_info->password,
 103                                         CLI_FULL_CONNECTION_ANNONYMOUS_FALLBACK, NULL);
 104
 105         free(myname);
 106         if (NT_STATUS_IS_OK(nt_status)) {
 107                 return cli;
 108         } else {
 109                 return NULL;
 110         }
 111 }
 112
 113 /* Return the IP address and workgroup of a master browser on the
 114    network. */
 115
 116 static BOOL find_master_ip_bcast(pstring workgroup, struct in_addr *server_ip)
 117 {
 118         struct in_addr *ip_list;
 119         int i, count;
 120
 121         /* Go looking for workgroups by broadcasting on the local network */
 122
 123         if (!name_resolve_bcast(MSBROWSE, 1, &ip_list, &count)) {
 124                 return False;
 125         }
 126
 127         for (i = 0; i < count; i++) {
 128                 static fstring name;
 129
 130                 if (!name_status_find("*", 0, 0x1d, ip_list[i], name))
 131                         continue;
 132
 133                 if (!find_master_ip(name, server_ip))
 134                         continue;
 135
 136                 pstrcpy(workgroup, name);
 137
 138                 DEBUG(4, ("found master browser %s, %s\n",
 139                           name, inet_ntoa(ip_list[i])));
 140
 141                 return True;
 142         }
 143
 144         return False;
 145 }
 146
 147 /****************************************************************************
 148   display tree of smb workgroups, servers and shares
 149 ****************************************************************************/
 150 static BOOL get_workgroups(struct user_auth_info *user_info)
 151 {
 152         struct cli_state *cli;
 153         struct in_addr server_ip;
 154         pstring master_workgroup;
 155
 156         /* Try to connect to a #1d name of our current workgroup.  If that
 157            doesn't work broadcast for a master browser and then jump off
 158            that workgroup. */
 159
 160         pstrcpy(master_workgroup, lp_workgroup());
 161
 162         if (use_bcast || !find_master_ip(lp_workgroup(), &server_ip)) {
 163                 DEBUG(4, ("Unable to find master browser for workgroup %s\n",
 164                           master_workgroup));
 165                 if (!find_master_ip_bcast(master_workgroup, &server_ip)) {
 166                         DEBUG(4, ("Unable to find master browser by "
 167                                   "broadcast\n"));
 168                         return False;
 169                 }
 170         }
 171
 172         if (!(cli = get_ipc_connect(inet_ntoa(server_ip), &server_ip, user_info)))
 173                 return False;
 174
 175         if (!cli_NetServerEnum(cli, master_workgroup,
 176                                SV_TYPE_DOMAIN_ENUM, add_name, &workgroups))
 177                 return False;
 178
 179         return True;
 180 }
 181
 182 /* Retrieve the list of servers for a given workgroup */
 183
 184 static BOOL get_servers(char *workgroup, struct user_auth_info *user_info)
 185 {
 186         struct cli_state *cli;
 187         struct in_addr server_ip;
 188
 189         /* Open an IPC$ connection to the master browser for the workgroup */
 190
 191         if (!find_master_ip(workgroup, &server_ip)) {
 192                 DEBUG(4, ("Cannot find master browser for workgroup %s\n",
 193                           workgroup));
 194                 return False;
 195         }
 196
 197         if (!(cli = get_ipc_connect(inet_ntoa(server_ip), &server_ip, user_info)))
 198                 return False;
 199
 200         if (!cli_NetServerEnum(cli, workgroup, SV_TYPE_ALL, add_name,
 201                                &servers))
 202                 return False;
 203
 204         return True;
 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 (!cli_RNetShareEnum(cli, add_name, &shares))
 215                 return False;
 216
 217         return True;
 218 }
 219
 220 static BOOL print_tree(struct user_auth_info *user_info)
 221 {
 222         struct name_list *wg, *sv, *sh;
 223
 224         /* List workgroups */
 225
 226         if (!get_workgroups(user_info))
 227                 return False;
 228
 229         for (wg = workgroups; wg; wg = wg->next) {
 230
 231                 printf("%s\n", wg->name);
 232
 233                 /* List servers */
 234
 235                 free_name_list(servers);
 236                 servers = NULL;
 237
 238                 if (level == LEV_WORKGROUP ||
 239                     !get_servers(wg->name, user_info))
 240                         continue;
 241
 242                 for (sv = servers; sv; sv = sv->next) {
 243
 244                         printf("\t\\\\%-15s\t\t%s\n",
 245                                sv->name, sv->comment);
 246
 247                         /* List shares */
 248
 249                         free_name_list(shares);
 250                         shares = NULL;
 251
 252                         if (level == LEV_SERVER ||
 253                             !get_shares(sv->name, user_info))
 254                                 continue;
 255
 256                         for (sh = shares; sh; sh = sh->next) {
 257                                 printf("\t\t\\\\%s\\%-15s\t%s\n",
 258                                        sv->name, sh->name, sh->comment);
 259                         }
 260                 }
 261         }
 262
 263         return True;
 264 }
 265
 266 /****************************************************************************
 267   main program
 268 ****************************************************************************/
 269  int main(int argc,char *argv[])
 270 {
 271         extern char *optarg;
 272         extern int optind;
 273         int opt;
 274         char *p;
 275         struct user_auth_info user_info;
 276         BOOL got_pass = False;
 277
 278         /* Initialise samba stuff */
 279
 280         setlinebuf(stdout);
 281
 282         dbf = x_stderr;
 283
 284         setup_logging(argv[0],True);
 285
 286         lp_load(dyn_CONFIGFILE,True,False,False);
 287         load_interfaces();
 288
 289         if (getenv("USER")) {
 290                 pstrcpy(user_info.username, getenv("USER"));
 291
 292                 if ((p=strchr(user_info.username, '%'))) {
 293                         *p = 0;
 294                         pstrcpy(user_info.password, p+1);
 295                         got_pass = True;
 296                         memset(strchr(getenv("USER"), '%') + 1, 'X',
 297                                strlen(user_info.password));
 298                 }
 299         }
 300
 301         pstrcpy(user_info.workgroup, lp_workgroup());
 302
 303         /* Parse command line args */
 304
 305         while ((opt = getopt(argc, argv, "U:hd:W:DSb")) != EOF) {
 306                 switch (opt) {
 307                 case 'U':
 308                         pstrcpy(user_info.username,optarg);
 309                         p = strchr(user_info.username,'%');
 310                         if (p) {
 311                                 *p = 0;
 312                                 pstrcpy(user_info.password, p+1);
 313                                 got_pass = 1;
 314                         }
 315                         break;
 316
 317                 case 'b':
 318                         use_bcast = True;
 319                         break;
 320
 321                 case 'h':
 322                         usage();
 323                         exit(1);
 324
 325                 case 'd':
 326                         DEBUGLEVEL = atoi(optarg);
 327                         break;
 328
 329                 case 'W':
 330                         pstrcpy(user_info.workgroup, optarg);
 331                         break;
 332
 333                 case 'D':
 334                         level = LEV_WORKGROUP;
 335                         break;
 336
 337                 case 'S':
 338                         level = LEV_SERVER;
 339                         break;
 340
 341                 default:
 342                         printf("Unknown option %c (%d)\n", (char)opt, opt);
 343                         exit(1);
 344                 }
 345         }
 346
 347         argc -= optind;
 348         argv += optind;
 349
 350         if (argc > 0) {
 351                 usage();
 352                 exit(1);
 353         }
 354
 355         if (!got_pass) {
 356                 char *pass = getpass("Password: ");
 357                 if (pass) {
 358                         pstrcpy(user_info.password, pass);
 359                 }
 360                 got_pass = True;
 361         }
 362
 363         /* Now do our stuff */
 364
 365         if (!print_tree(&user_info))
 366                 return 1;
 367
 368         return 0;
 369 }