s3: Remove unused "retry" from cli_full_connection
[samba.git] / libgpo / gpo_fetch.c
1 /*
2  *  Unix SMB/CIFS implementation.
3  *  Group Policy Object Support
4  *  Copyright (C) Guenther Deschner 2005-2006
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 3 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
18  */
19
20 #include "includes.h"
21 #include "system/filesys.h"
22 #include "../libgpo/gpo.h"
23 #include "../libgpo/gpo_ini.h"
24
25 #if _SAMBA_BUILD_ == 4
26 #include "param/param.h"
27 #include "libcli/resolve/resolve.h"
28 #include <tevent.h>
29 #include "libcli/libcli.h"
30 #include "libcli/raw/libcliraw.h"
31 #include "libcli/libcli_proto.h"
32 #include "libgpo/ads_convenience.h"
33 #include "libgpo/gpo_s4.h"
34 #include "lib/util/util.h"
35 #else
36 #include "libgpo/gpo_proto.h"
37 #endif
38
39 /****************************************************************
40  explode the GPO CIFS URI into their components
41 ****************************************************************/
42
43 NTSTATUS gpo_explode_filesyspath(TALLOC_CTX *mem_ctx,
44                                  const char *cache_dir,
45                                  const char *file_sys_path,
46                                  char **server,
47                                  char **service,
48                                  char **nt_path,
49                                  char **unix_path)
50 {
51         char *path = NULL;
52
53         *server = NULL;
54         *service = NULL;
55         *nt_path = NULL;
56         *unix_path = NULL;
57
58         if (!file_sys_path) {
59                 return NT_STATUS_OK;
60         }
61
62         if (!next_token_talloc(mem_ctx, &file_sys_path, server, "\\")) {
63                 return NT_STATUS_INVALID_PARAMETER;
64         }
65         NT_STATUS_HAVE_NO_MEMORY(*server);
66
67         if (!next_token_talloc(mem_ctx, &file_sys_path, service, "\\")) {
68                 return NT_STATUS_INVALID_PARAMETER;
69         }
70         NT_STATUS_HAVE_NO_MEMORY(*service);
71
72         if ((*nt_path = talloc_asprintf(mem_ctx, "\\%s", file_sys_path))
73                 == NULL) {
74                 return NT_STATUS_NO_MEMORY;
75         }
76         NT_STATUS_HAVE_NO_MEMORY(*nt_path);
77
78         if ((path = talloc_asprintf(mem_ctx,
79                                         "%s/%s",
80                                         cache_dir,
81                                         file_sys_path)) == NULL) {
82                 return NT_STATUS_NO_MEMORY;
83         }
84 #if _SAMBA_BUILD_ == 4
85         path = string_sub_talloc(mem_ctx, path, "\\", "/");
86 #else
87         path = talloc_string_sub(mem_ctx, path, "\\", "/");
88 #endif
89         if (!path) {
90                 return NT_STATUS_NO_MEMORY;
91         }
92
93         *unix_path = talloc_strdup(mem_ctx, path);
94         NT_STATUS_HAVE_NO_MEMORY(*unix_path);
95
96         talloc_free(path);
97         return NT_STATUS_OK;
98 }
99
100 /****************************************************************
101  prepare the local disc storage for "unix_path"
102 ****************************************************************/
103
104 static NTSTATUS gpo_prepare_local_store(TALLOC_CTX *mem_ctx,
105                                         const char *cache_dir,
106                                         const char *unix_path)
107 {
108         char *current_dir;
109         char *tok;
110
111         current_dir = talloc_strdup(mem_ctx, cache_dir);
112         NT_STATUS_HAVE_NO_MEMORY(current_dir);
113
114         if ((mkdir(cache_dir, 0644)) < 0 && errno != EEXIST) {
115                 return NT_STATUS_ACCESS_DENIED;
116         }
117
118         while (next_token_talloc(mem_ctx, &unix_path, &tok, "/")) {
119                 if (strequal(tok, GPO_CACHE_DIR)) {
120                         break;
121                 }
122         }
123
124         while (next_token_talloc(mem_ctx, &unix_path, &tok, "/")) {
125                 current_dir = talloc_asprintf_append_buffer(current_dir, "/%s", tok);
126                 NT_STATUS_HAVE_NO_MEMORY(current_dir);
127
128                 if ((mkdir(current_dir, 0644)) < 0 && errno != EEXIST) {
129                         return NT_STATUS_ACCESS_DENIED;
130                 }
131         }
132
133         return NT_STATUS_OK;
134 }
135
136 static NTSTATUS gpo_connect_server(ADS_STRUCT *ads, struct loadparm_context *lp_ctx,
137                                    const char *server, const char *service, void *ret_cli)
138 {
139         NTSTATUS result;
140 #if _SAMBA_BUILD_ == 3
141         struct cli_state *cli;
142
143
144         result = cli_full_connection(&cli,
145                         global_myname(),
146                         server,
147                         NULL, 0,
148                         service, "A:",
149                         ads->auth.user_name, NULL,
150                         ads->auth.password,
151                         CLI_FULL_CONNECTION_USE_KERBEROS |
152                         CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS,
153                         Undefined);
154         if (!NT_STATUS_IS_OK(result)) {
155                 DEBUG(10,("check_refresh_gpo: "
156                                 "failed to connect: %s\n",
157                                 nt_errstr(result)));
158                 return result;
159         }
160         *(struct cli_state **) ret_cli = cli;
161 #else
162         struct smbcli_state *cli = NULL;
163         struct smbcli_options options;
164         struct smbcli_session_options session_options;
165
166         lp_smbcli_options(lp_ctx, &options);
167         lp_smbcli_session_options(lp_ctx, &session_options);
168
169         result = smbcli_full_connection(NULL, &cli,
170                         server,
171                         NULL, service,
172                         NULL /*devtype*/, NULL /* socket options */,
173                         ads->credentials,
174                         lp_resolve_context(lp_ctx),
175                         tevent_context_init(ads),
176                         &options,
177                         &session_options,
178                         lp_iconv_convenience(lp_ctx),
179                         lp_gensec_settings(ads, lp_ctx));
180         if (!NT_STATUS_IS_OK(result)) {
181                 DEBUG(10,("failed to connect: %s\n",
182                                 nt_errstr(result)));
183                 return result;
184         }
185         *(struct smbcli_state **) ret_cli = cli;
186 #endif
187         return NT_STATUS_OK;
188 }
189
190 /****************************************************************
191  download a full GPO via CIFS
192 ****************************************************************/
193
194 NTSTATUS gpo_fetch_files(TALLOC_CTX *mem_ctx,
195                          ADS_STRUCT *ads,
196                          struct loadparm_context *lp_ctx,
197                          const char *cache_dir,
198                          struct GROUP_POLICY_OBJECT *gpo)
199 {
200         NTSTATUS result;
201         char *server, *service, *nt_path, *unix_path;
202         char *nt_ini_path, *unix_ini_path;
203 #if _SAMBA_BUILD_ == 3
204         struct cli_state *cli;
205 #else
206         struct smbcli_state *cli;
207 #endif
208
209
210         result = gpo_explode_filesyspath(mem_ctx, cache_dir, gpo->file_sys_path,
211                                          &server, &service, &nt_path,
212                                          &unix_path);
213         NT_STATUS_NOT_OK_RETURN(result);
214
215
216         result = gpo_connect_server(ads, lp_ctx, server, service, &cli);
217         NT_STATUS_NOT_OK_RETURN(result);
218
219
220         result = gpo_prepare_local_store(mem_ctx, cache_dir, unix_path);
221         NT_STATUS_NOT_OK_RETURN(result);
222
223         unix_ini_path = talloc_asprintf(mem_ctx, "%s/%s", unix_path, GPT_INI);
224         nt_ini_path = talloc_asprintf(mem_ctx, "%s\\%s", nt_path, GPT_INI);
225         NT_STATUS_HAVE_NO_MEMORY(unix_ini_path);
226         NT_STATUS_HAVE_NO_MEMORY(nt_ini_path);
227
228         result = gpo_copy_file(mem_ctx, cli, nt_ini_path, unix_ini_path);
229         NT_STATUS_NOT_OK_RETURN(result);
230
231         result = gpo_sync_directories(mem_ctx, cli, nt_path, unix_path);
232         NT_STATUS_NOT_OK_RETURN(result);
233
234         return NT_STATUS_OK;
235 }
236
237 /****************************************************************
238  get the locally stored gpt.ini version number
239 ****************************************************************/
240
241 NTSTATUS gpo_get_sysvol_gpt_version(TALLOC_CTX *mem_ctx,
242                                     const char *unix_path,
243                                     uint32_t *sysvol_version,
244                                     char **display_name)
245 {
246         NTSTATUS status;
247         uint32_t version = 0;
248         char *local_path = NULL;
249         char *name = NULL;
250
251         if (!unix_path) {
252                 return NT_STATUS_OK;
253         }
254
255         local_path = talloc_asprintf(mem_ctx, "%s/%s", unix_path, GPT_INI);
256         NT_STATUS_HAVE_NO_MEMORY(local_path);
257
258         status = parse_gpt_ini(mem_ctx, local_path, &version, &name);
259         if (!NT_STATUS_IS_OK(status)) {
260                 DEBUG(10,("gpo_get_sysvol_gpt_version: "
261                         "failed to parse ini [%s]: %s\n",
262                         local_path, nt_errstr(status)));
263                 return status;
264         }
265
266         if (sysvol_version) {
267                 *sysvol_version = version;
268         }
269
270         if (name && *display_name) {
271                 *display_name = talloc_strdup(mem_ctx, name);
272                 NT_STATUS_HAVE_NO_MEMORY(*display_name);
273         }
274
275         return NT_STATUS_OK;
276 }