Refactoring: Move stuff around for creating a pipe
[kai/samba.git] / source / 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
24 static int use_bcast;
25
26 /* How low can we go? */
27
28 enum tree_level {LEV_WORKGROUP, LEV_SERVER, LEV_SHARE};
29 static enum tree_level level = LEV_SHARE;
30
31 /* Holds a list of workgroups or servers */
32
33 struct name_list {
34         struct name_list *prev, *next;
35         char *name, *comment;
36         uint32 server_type;
37 };
38
39 static struct name_list *workgroups, *servers, *shares;
40
41 static void free_name_list(struct name_list *list)
42 {
43         while(list)
44                 DLIST_REMOVE(list, list);
45 }
46
47 static void add_name(const char *machine_name, uint32 server_type,
48                      const char *comment, void *state)
49 {
50         struct name_list **name_list = (struct name_list **)state;
51         struct name_list *new_name;
52
53         new_name = SMB_MALLOC_P(struct name_list);
54
55         if (!new_name)
56                 return;
57
58         ZERO_STRUCTP(new_name);
59
60         new_name->name = SMB_STRDUP(machine_name);
61         new_name->comment = SMB_STRDUP(comment);
62         new_name->server_type = server_type;
63
64         if (!new_name->name || !new_name->comment) {
65                 SAFE_FREE(new_name->name);
66                 SAFE_FREE(new_name->comment);
67                 SAFE_FREE(new_name);
68                 return;
69         }
70
71         DLIST_ADD(*name_list, new_name);
72 }
73
74 /****************************************************************************
75   display tree of smb workgroups, servers and shares
76 ****************************************************************************/
77 static bool get_workgroups(struct user_auth_info *user_info)
78 {
79         struct cli_state *cli;
80         struct sockaddr_storage server_ss;
81         TALLOC_CTX *ctx = talloc_tos();
82         char *master_workgroup = NULL;
83
84         /* Try to connect to a #1d name of our current workgroup.  If that
85            doesn't work broadcast for a master browser and then jump off
86            that workgroup. */
87
88         master_workgroup = talloc_strdup(ctx, lp_workgroup());
89         if (!master_workgroup) {
90                 return false;
91         }
92
93         if (!use_bcast && !find_master_ip(lp_workgroup(), &server_ss)) {
94                 DEBUG(4, ("Unable to find master browser for workgroup %s, falling back to broadcast\n", 
95                           master_workgroup));
96                                 use_bcast = True;
97                 } else if(!use_bcast) {
98                         char addr[INET6_ADDRSTRLEN];
99                         print_sockaddr(addr, sizeof(addr), &server_ss);
100                         if (!(cli = get_ipc_connect(addr, &server_ss, user_info)))
101                                 return False;
102                 }
103
104                 if (!(cli = get_ipc_connect_master_ip_bcast(talloc_tos(),
105                                                         user_info,
106                                                         &master_workgroup))) {
107                         DEBUG(4, ("Unable to find master browser by "
108                                   "broadcast\n"));
109                         return False;
110         }
111
112         if (!cli_NetServerEnum(cli, master_workgroup,
113                                SV_TYPE_DOMAIN_ENUM, add_name, &workgroups))
114                 return False;
115
116         return True;
117 }
118
119 /* Retrieve the list of servers for a given workgroup */
120
121 static bool get_servers(char *workgroup, struct user_auth_info *user_info)
122 {
123         struct cli_state *cli;
124         struct sockaddr_storage server_ss;
125         char addr[INET6_ADDRSTRLEN];
126
127         /* Open an IPC$ connection to the master browser for the workgroup */
128
129         if (!find_master_ip(workgroup, &server_ss)) {
130                 DEBUG(4, ("Cannot find master browser for workgroup %s\n",
131                           workgroup));
132                 return False;
133         }
134
135         print_sockaddr(addr, sizeof(addr), &server_ss);
136         if (!(cli = get_ipc_connect(addr, &server_ss, user_info)))
137                 return False;
138
139         if (!cli_NetServerEnum(cli, workgroup, SV_TYPE_ALL, add_name,
140                                &servers))
141                 return False;
142
143         return True;
144 }
145
146 static bool get_rpc_shares(struct cli_state *cli,
147                            void (*fn)(const char *, uint32, const char *, void *),
148                            void *state)
149 {
150         NTSTATUS status;
151         struct rpc_pipe_client *pipe_hnd;
152         TALLOC_CTX *mem_ctx;
153         WERROR werr;
154         struct srvsvc_NetShareInfoCtr info_ctr;
155         struct srvsvc_NetShareCtr1 ctr1;
156         int i;
157         uint32_t resume_handle = 0;
158         uint32_t total_entries = 0;
159
160         mem_ctx = talloc_new(NULL);
161         if (mem_ctx == NULL) {
162                 DEBUG(0, ("talloc_new failed\n"));
163                 return False;
164         }
165
166         pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SRVSVC, &status);
167
168         if (pipe_hnd == NULL) {
169                 DEBUG(10, ("Could not connect to srvsvc pipe: %s\n",
170                            nt_errstr(status)));
171                 TALLOC_FREE(mem_ctx);
172                 return False;
173         }
174
175         ZERO_STRUCT(info_ctr);
176         ZERO_STRUCT(ctr1);
177
178         info_ctr.level = 1;
179         info_ctr.ctr.ctr1 = &ctr1;
180
181         status = rpccli_srvsvc_NetShareEnumAll(pipe_hnd, mem_ctx,
182                                                pipe_hnd->desthost,
183                                                &info_ctr,
184                                                0xffffffff,
185                                                &total_entries,
186                                                &resume_handle,
187                                                &werr);
188
189         if (!NT_STATUS_IS_OK(status) || !W_ERROR_IS_OK(werr)) {
190                 TALLOC_FREE(mem_ctx);
191                 cli_rpc_pipe_close(pipe_hnd);
192                 return False;
193         }
194
195         for (i=0; i<total_entries; i++) {
196                 struct srvsvc_NetShareInfo1 info = info_ctr.ctr.ctr1->array[i];
197                 fn(info.name, info.type, info.comment, state);
198         }
199
200         TALLOC_FREE(mem_ctx);
201         cli_rpc_pipe_close(pipe_hnd);
202         return True;
203 }
204
205
206 static bool get_shares(char *server_name, struct user_auth_info *user_info)
207 {
208         struct cli_state *cli;
209
210         if (!(cli = get_ipc_connect(server_name, NULL, user_info)))
211                 return False;
212
213         if (get_rpc_shares(cli, add_name, &shares))
214                 return True;
215
216         if (!cli_RNetShareEnum(cli, add_name, &shares))
217                 return False;
218
219         return True;
220 }
221
222 static bool print_tree(struct user_auth_info *user_info)
223 {
224         struct name_list *wg, *sv, *sh;
225
226         /* List workgroups */
227
228         if (!get_workgroups(user_info))
229                 return False;
230
231         for (wg = workgroups; wg; wg = wg->next) {
232
233                 printf("%s\n", wg->name);
234
235                 /* List servers */
236
237                 free_name_list(servers);
238                 servers = NULL;
239
240                 if (level == LEV_WORKGROUP || 
241                     !get_servers(wg->name, user_info))
242                         continue;
243
244                 for (sv = servers; sv; sv = sv->next) {
245
246                         printf("\t\\\\%-15s\t\t%s\n", 
247                                sv->name, sv->comment);
248
249                         /* List shares */
250
251                         free_name_list(shares);
252                         shares = NULL;
253
254                         if (level == LEV_SERVER ||
255                             !get_shares(sv->name, user_info))
256                                 continue;
257
258                         for (sh = shares; sh; sh = sh->next) {
259                                 printf("\t\t\\\\%s\\%-15s\t%s\n", 
260                                        sv->name, sh->name, sh->comment);
261                         }
262                 }
263         }
264
265         return True;
266 }
267
268 /****************************************************************************
269   main program
270 ****************************************************************************/
271  int main(int argc,char *argv[])
272 {
273         TALLOC_CTX *frame = talloc_stackframe();
274         struct user_auth_info local_auth_info;
275         struct poptOption long_options[] = {
276                 POPT_AUTOHELP
277                 { "broadcast", 'b', POPT_ARG_VAL, &use_bcast, True, "Use broadcast instead of using the master browser" },
278                 { "domains", 'D', POPT_ARG_VAL, &level, LEV_WORKGROUP, "List only domains (workgroups) of tree" },
279                 { "servers", 'S', POPT_ARG_VAL, &level, LEV_SERVER, "List domains(workgroups) and servers of tree" },
280                 POPT_COMMON_SAMBA
281                 POPT_COMMON_CREDENTIALS
282                 POPT_TABLEEND
283         };
284         poptContext pc;
285
286         /* Initialise samba stuff */
287         load_case_tables();
288
289         setlinebuf(stdout);
290
291         dbf = x_stderr;
292
293         setup_logging(argv[0],True);
294
295         pc = poptGetContext("smbtree", argc, (const char **)argv, long_options,
296                                                 POPT_CONTEXT_KEEP_FIRST);
297         while(poptGetNextOpt(pc) != -1);
298         poptFreeContext(pc);
299
300         lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
301         load_interfaces();
302
303         /* Parse command line args */
304
305         if (!get_cmdline_auth_info_got_pass()) {
306                 char *pass = getpass("Password: ");
307                 if (pass) {
308                         set_cmdline_auth_info_password(pass);
309                 }
310         }
311
312         /* Now do our stuff */
313
314         if (!get_cmdline_auth_info_copy(&local_auth_info)) {
315                 return 1;
316         }
317
318         if (!print_tree(&local_auth_info)) {
319                 TALLOC_FREE(frame);
320                 return 1;
321         }
322
323         TALLOC_FREE(frame);
324         return 0;
325 }