summaryrefslogtreecommitdiff
path: root/source3/libgpo/gpo_fetch.c
blob: 9baa2385f11139edc27e79e8635813dff20cb312 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
/* 
 *  Unix SMB/CIFS implementation.
 *  Group Policy Object Support
 *  Copyright (C) Guenther Deschner 2005-2006
 *  
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *  
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *  
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "includes.h"

/****************************************************************
 explode the GPO CIFS URI into their components
****************************************************************/

NTSTATUS gpo_explode_filesyspath(TALLOC_CTX *mem_ctx, 
				 const char *file_sys_path, 
				 char **server, 
				 char **service, 
				 char **nt_path,
				 char **unix_path)
{
	fstring tok;
	pstring path;

	*server = NULL;
	*service = NULL;
	*nt_path = NULL;
	*unix_path = NULL;

	if (!file_sys_path) {
		return NT_STATUS_OK;
	}

	if (!next_token(&file_sys_path, tok, "\\", sizeof(tok))) {
		return NT_STATUS_INVALID_PARAMETER;
	}

	if ((*server = talloc_strdup(mem_ctx, tok)) == NULL) {
		return NT_STATUS_NO_MEMORY;
	}

	if (!next_token(&file_sys_path, tok, "\\", sizeof(tok))) {
		return NT_STATUS_INVALID_PARAMETER;
	}

	if ((*service = talloc_strdup(mem_ctx, tok)) == NULL) {
		return NT_STATUS_NO_MEMORY;
	}

	if ((*nt_path = talloc_asprintf(mem_ctx, "\\%s", file_sys_path)) == NULL) {
		return NT_STATUS_NO_MEMORY;
	}

	pstrcpy(path, lock_path(GPO_CACHE_DIR));
	pstrcat(path, "/");
	pstrcat(path, file_sys_path);
	pstring_sub(path, "\\", "/");

	if ((*unix_path = talloc_strdup(mem_ctx, path)) == NULL) {
		return NT_STATUS_NO_MEMORY;
	}

	return NT_STATUS_OK;
}

/****************************************************************
 prepare the local disc storage for "unix_path"
****************************************************************/

static NTSTATUS gpo_prepare_local_store(TALLOC_CTX *mem_ctx, 
					const char *unix_path)
{
	const char *top_dir = lock_path(GPO_CACHE_DIR);
	char *current_dir;
	fstring tok;

	current_dir = talloc_strdup(mem_ctx, top_dir);
	NT_STATUS_HAVE_NO_MEMORY(current_dir);

	if ((mkdir(top_dir, 0644)) < 0 && errno != EEXIST) {
		return NT_STATUS_ACCESS_DENIED;
	}

	while (next_token(&unix_path, tok, "/", sizeof(tok))) {
	
		if (strequal(tok, GPO_CACHE_DIR)) {
			break;
		}
	}

	while (next_token(&unix_path, tok, "/", sizeof(tok))) {

		current_dir = talloc_asprintf_append(current_dir, "/%s", tok);
		NT_STATUS_HAVE_NO_MEMORY(current_dir);

		if ((mkdir(current_dir, 0644)) < 0 && errno != EEXIST) {
			return NT_STATUS_ACCESS_DENIED;
		}
	}

	return NT_STATUS_OK;
}

/****************************************************************
 download a full GPO via CIFS
****************************************************************/

NTSTATUS gpo_fetch_files(TALLOC_CTX *mem_ctx, 
			 struct cli_state *cli, 
			 struct GROUP_POLICY_OBJECT *gpo)
{
	NTSTATUS result;
	char *server, *service, *nt_path, *unix_path, *nt_ini_path, *unix_ini_path;

	result = gpo_explode_filesyspath(mem_ctx, gpo->file_sys_path, 
					 &server, &service, &nt_path, &unix_path);
	if (!NT_STATUS_IS_OK(result)) {
		goto out;
	}

	result = gpo_prepare_local_store(mem_ctx, unix_path);
	if (!NT_STATUS_IS_OK(result)) {
		goto out;
	}

	unix_ini_path = talloc_asprintf(mem_ctx, "%s/%s", unix_path, GPT_INI);
	nt_ini_path = talloc_asprintf(mem_ctx, "%s\\%s", nt_path, GPT_INI);
	if (!unix_path || !nt_ini_path) {
		result = NT_STATUS_NO_MEMORY;
		goto out;
	}

	result = gpo_copy_file(mem_ctx, cli, nt_ini_path, unix_ini_path);
	if (!NT_STATUS_IS_OK(result)) {
		goto out;
	}

	result = gpo_sync_directories(mem_ctx, cli, nt_path, unix_path);
	if (!NT_STATUS_IS_OK(result)) {
		goto out;
	}

	result = NT_STATUS_OK;

 out:
	return result;
}

/****************************************************************
 get the locally stored gpt.ini version number
****************************************************************/

NTSTATUS gpo_get_sysvol_gpt_version(TALLOC_CTX *mem_ctx, 
				    const char *unix_path, 
				    uint32 *sysvol_version,
				    char **display_name)
{
	NTSTATUS status;
	uint32 version = 0;
	char *local_path = NULL;
	char *name = NULL;

	if (!unix_path) {
		return NT_STATUS_OK;
	}

	local_path = talloc_asprintf(mem_ctx, "%s/%s", unix_path, GPT_INI);
	NT_STATUS_HAVE_NO_MEMORY(local_path);

	status = parse_gpt_ini(mem_ctx, local_path, &version, &name);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(10,("gpo_get_sysvol_gpt_version: failed to parse ini [%s]: %s\n", 
			unix_path, nt_errstr(status)));
		return status;
	}

	if (sysvol_version) {
		*sysvol_version = version;
	}

	if (name && *display_name) {
		*display_name = talloc_strdup(mem_ctx, name);
		NT_STATUS_HAVE_NO_MEMORY(*display_name);
	}

	return NT_STATUS_OK;
}