1 /*
2  *  Unix SMB/CIFS implementation.
3  *  Group Policy Object Support
4  *  Copyright (C) Guenther Deschner 2005-2008
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 #ifndef __GPO_H__
21 #define __GPO_H__
22 
23 #include "ads.h"
24 
25 enum GPO_LINK_TYPE {
26 	GP_LINK_UNKOWN	= 0,
27 	GP_LINK_MACHINE	= 1,
28 	GP_LINK_SITE	= 2,
29 	GP_LINK_DOMAIN	= 3,
30 	GP_LINK_OU	= 4,
31 	GP_LINK_LOCAL	= 5 /* for convenience */
32 };
33 
34 /* GPO_OPTIONS */
35 #define GPO_FLAG_DISABLE	0x00000001
36 #define GPO_FLAG_FORCE		0x00000002
37 
38 /* GPO_LIST_FLAGS */
39 #define GPO_LIST_FLAG_MACHINE	0x00000001
40 #define GPO_LIST_FLAG_SITEONLY	0x00000002
41 
42 /* following flags from http://support.microsoft.com/kb/312164/EN-US/ */
43 #define GPO_INFO_FLAG_MACHINE			0x00000001
44 #define GPO_INFO_FLAG_BACKGROUND	 	0x00000010
45 #define GPO_INFO_FLAG_SLOWLINK			0x00000020
46 #define GPO_INFO_FLAG_VERBOSE			0x00000040
47 #define GPO_INFO_FLAG_NOCHANGES			0x00000080
48 #define GPO_INFO_FLAG_LINKTRANSITION		0x00000100
49 #define GPO_INFO_FLAG_LOGRSOP_TRANSITION	0x00000200
50 #define GPO_INFO_FLAG_FORCED_REFRESH		0x00000400
51 #define GPO_INFO_FLAG_SAFEMODE_BOOT		0x00000800
52 
53 #define GPO_VERSION_USER(x) (x >> 16)
54 #define GPO_VERSION_MACHINE(x) (x & 0xffff)
55 
56 struct GROUP_POLICY_OBJECT {
57 	uint32_t options;	/* GPFLAGS_* */
58 	uint32_t version;
59 	const char *ds_path;
60 	const char *file_sys_path;
61 	const char *display_name;
62 	const char *name;
63 	const char *link;
64 	enum GPO_LINK_TYPE link_type;
65 	const char *user_extensions;
66 	const char *machine_extensions;
67 	struct security_descriptor *security_descriptor;
68 	struct GROUP_POLICY_OBJECT *next, *prev;
69 };
70 
71 /* the following is seen on the DS (see adssearch.pl for details) */
72 
73 /* the type field in a 'gPLink', the same as GPO_FLAG ? */
74 #define GPO_LINK_OPT_NONE	0x00000000
75 #define GPO_LINK_OPT_DISABLED	0x00000001
76 #define GPO_LINK_OPT_ENFORCED	0x00000002
77 
78 /* GPO_LINK_OPT_ENFORCED takes precedence over GPOPTIONS_BLOCK_INHERITANCE */
79 
80 /* 'gPOptions', maybe a bitmask as well */
81 enum GPO_INHERIT {
82 	GPOPTIONS_INHERIT		= 0,
83 	GPOPTIONS_BLOCK_INHERITANCE	= 1
84 };
85 
86 /* 'flags' in a 'groupPolicyContainer' object */
87 #define GPFLAGS_ALL_ENABLED			0x00000000
88 #define GPFLAGS_USER_SETTINGS_DISABLED		0x00000001
89 #define GPFLAGS_MACHINE_SETTINGS_DISABLED	0x00000002
90 #define GPFLAGS_ALL_DISABLED (GPFLAGS_USER_SETTINGS_DISABLED | \
91 			      GPFLAGS_MACHINE_SETTINGS_DISABLED)
92 
93 struct GP_LINK {
94 	const char *gp_link;	/* raw link name */
95 	uint32_t gp_opts;		/* inheritance options GPO_INHERIT */
96 	uint32_t num_links;	/* number of links */
97 	char **link_names;	/* array of parsed link names */
98 	uint32_t *link_opts;	/* array of parsed link opts GPO_LINK_OPT_* */
99 };
100 
101 struct GP_EXT {
102 	const char *gp_extension;	/* raw extension name */
103 	uint32_t num_exts;
104 	char **extensions;
105 	char **extensions_guid;
106 	char **snapins;
107 	char **snapins_guid;
108 	struct GP_EXT *next, *prev;
109 };
110 
111 #define GPO_CACHE_DIR "gpo_cache"
112 #define GPT_INI "GPT.INI"
113 #define GPO_REFRESH_INTERVAL 60*90
114 
115 #define GPO_REG_STATE_MACHINE "State\\Machine"
116 
117 enum gp_reg_action {
118 	GP_REG_ACTION_NONE = 0,
119 	GP_REG_ACTION_ADD_VALUE = 1,
120 	GP_REG_ACTION_ADD_KEY = 2,
121 	GP_REG_ACTION_DEL_VALUES = 3,
122 	GP_REG_ACTION_DEL_VALUE = 4,
123 	GP_REG_ACTION_DEL_ALL_VALUES = 5,
124 	GP_REG_ACTION_DEL_KEYS = 6,
125 	GP_REG_ACTION_SEC_KEY_SET = 7,
126 	GP_REG_ACTION_SEC_KEY_RESET = 8
127 };
128 
129 struct gp_registry_entry {
130 	enum gp_reg_action action;
131 	const char *key;
132 	const char *value;
133 	struct registry_value *data;
134 };
135 
136 struct gp_registry_value {
137 	const char *value;
138 	struct registry_value *data;
139 };
140 
141 struct gp_registry_entries {
142 	size_t num_entries;
143 	struct gp_registry_entry **entries;
144 };
145 
146 struct gp_registry_context {
147 	const struct security_token *token;
148 	const char *path;
149 	struct registry_key *curr_key;
150 };
151 
152 #define GP_EXT_GUID_SECURITY "827D319E-6EAC-11D2-A4EA-00C04F79F83A"
153 #define GP_EXT_GUID_REGISTRY "35378EAC-683F-11D2-A89A-00C04FBBCFA2"
154 #define GP_EXT_GUID_SCRIPTS  "42B5FAAE-6536-11D2-AE5A-0000F87571E3"
155 #define ADS_EXTENDED_RIGHT_APPLY_GROUP_POLICY "edacfd8f-ffb3-11d1-b41d-00a0c968f939"
156 
157 
158 struct cli_state;
159 
160 /* The following definitions come from libgpo/gpo_fetch.c  */
161 
162 NTSTATUS gpo_explode_filesyspath(TALLOC_CTX *mem_ctx,
163                                  const char *cache_dir,
164 				 const char *file_sys_path,
165 				 char **server,
166 				 char **service,
167 				 char **nt_path,
168 				 char **unix_path);
169 NTSTATUS gpo_fetch_files(TALLOC_CTX *mem_ctx,
170                          ADS_STRUCT *ads,
171                          const char *cache_dir,
172 			 const struct GROUP_POLICY_OBJECT *gpo);
173 NTSTATUS gpo_get_sysvol_gpt_version(TALLOC_CTX *mem_ctx,
174 				    const char *unix_path,
175 				    uint32_t *sysvol_version,
176 				    char **display_name);
177 
178 /* The following definitions come from libgpo/gpo_ldap.c  */
179 
180 bool ads_parse_gp_ext(TALLOC_CTX *mem_ctx,
181 		      const char *extension_raw,
182 		      struct GP_EXT **gp_ext);
183 ADS_STATUS ads_get_gpo_link(ADS_STRUCT *ads,
184 			    TALLOC_CTX *mem_ctx,
185 			    const char *link_dn,
186 			    struct GP_LINK *gp_link_struct);
187 ADS_STATUS ads_add_gpo_link(ADS_STRUCT *ads,
188 			    TALLOC_CTX *mem_ctx,
189 			    const char *link_dn,
190 			    const char *gpo_dn,
191 			    uint32_t gpo_opt);
192 ADS_STATUS ads_delete_gpo_link(ADS_STRUCT *ads,
193 			       TALLOC_CTX *mem_ctx,
194 			       const char *link_dn,
195 			       const char *gpo_dn);
196 ADS_STATUS ads_get_gpo(ADS_STRUCT *ads,
197 		       TALLOC_CTX *mem_ctx,
198 		       const char *gpo_dn,
199 		       const char *display_name,
200 		       const char *guid_name,
201 		       struct GROUP_POLICY_OBJECT *gpo);
202 ADS_STATUS ads_get_sid_token(ADS_STRUCT *ads,
203 			     TALLOC_CTX *mem_ctx,
204 			     const char *dn,
205 			     struct security_token **token);
206 ADS_STATUS ads_get_gpo_list(ADS_STRUCT *ads,
207 			    TALLOC_CTX *mem_ctx,
208 			    const char *dn,
209 			    uint32_t flags,
210 			    const struct security_token *token,
211 			    struct GROUP_POLICY_OBJECT **gpo_list);
212 
213 /* The following definitions come from libgpo/gpo_sec.c  */
214 
215 NTSTATUS gpo_apply_security_filtering(const struct GROUP_POLICY_OBJECT *gpo,
216 				      const struct security_token *token);
217 
218 /* The following definitions come from libgpo/gpo_util.c  */
219 
220 const char *cse_gpo_guid_string_to_name(const char *guid);
221 const char *cse_gpo_name_to_guid_string(const char *name);
222 const char *cse_snapin_gpo_guid_string_to_name(const char *guid);
223 void dump_gp_ext(struct GP_EXT *gp_ext, int debuglevel);
224 void dump_gpo(const struct GROUP_POLICY_OBJECT *gpo,
225 	      int debuglevel);
226 void dump_gpo_list(const struct GROUP_POLICY_OBJECT *gpo_list,
227 		   int debuglevel);
228 void dump_gplink(const struct GP_LINK *gp_link);
229 NTSTATUS gpo_process_gpo_list(TALLOC_CTX *mem_ctx,
230 			      const struct security_token *token,
231 			      const struct GROUP_POLICY_OBJECT *deleted_gpo_list,
232 			      const struct GROUP_POLICY_OBJECT *changed_gpo_list,
233 			      const char *extensions_guid_filter,
234 			      uint32_t flags);
235 NTSTATUS check_refresh_gpo(ADS_STRUCT *ads,
236 			   TALLOC_CTX *mem_ctx,
237                            const char *cache_dir,
238 			   uint32_t flags,
239 			   const struct GROUP_POLICY_OBJECT *gpo);
240 NTSTATUS check_refresh_gpo_list(ADS_STRUCT *ads,
241 				TALLOC_CTX *mem_ctx,
242                                 const char *cache_dir,
243 				uint32_t flags,
244 				const struct GROUP_POLICY_OBJECT *gpo_list);
245 NTSTATUS gpo_get_unix_path(TALLOC_CTX *mem_ctx,
246                            const char *cache_dir,
247 			   const struct GROUP_POLICY_OBJECT *gpo,
248 			   char **unix_path);
249 char *gpo_flag_str(TALLOC_CTX *mem_ctx, uint32_t flags);
250 NTSTATUS gp_find_file(TALLOC_CTX *mem_ctx,
251 		      uint32_t flags,
252 		      const char *filename,
253 		      const char *suffix,
254 		      const char **filename_out);
255 ADS_STATUS gp_get_machine_token(ADS_STRUCT *ads,
256 				TALLOC_CTX *mem_ctx,
257 				const char *dn,
258 				struct security_token **token);
259 
260 bool gpo_get_gp_ext_from_gpo(TALLOC_CTX *mem_ctx,
261 			     uint32_t flags,
262 			     const struct GROUP_POLICY_OBJECT *gpo,
263 			     struct GP_EXT **gp_ext);
264 NTSTATUS gpo_copy(TALLOC_CTX *mem_ctx,
265 		  const struct GROUP_POLICY_OBJECT *gpo_src,
266 		  struct GROUP_POLICY_OBJECT **gpo_dst);
267 
268 #endif
269