2 * Unix SMB/CIFS implementation.
3 * Group Policy Object Support
4 * Copyright (C) Guenther Deschner 2005-2006
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.
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.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 #define DEFAULT_DOMAIN_POLICY "Default Domain Policy"
26 #define DEFAULT_DOMAIN_CONTROLLERS_POLICY "Default Domain Controllers Policy"
28 /* should we store a parsed guid ? */
31 const char *guid_string;
36 const char *guid_string;
37 ADS_STATUS (*snapin_fn)(ADS_STRUCT *, TALLOC_CTX *mem_ctx, const char *, const char *);
41 static struct gpo_table gpo_default_policy[] = {
42 { DEFAULT_DOMAIN_POLICY,
43 "31B2F340-016D-11D2-945F-00C04FB984F9" },
44 { DEFAULT_DOMAIN_CONTROLLERS_POLICY,
45 "6AC1786C-016F-11D2-945F-00C04fB984F9" },
50 /* the following is seen in gPCMachineExtensionNames or gPCUserExtensionNames */
52 static struct gpo_table gpo_cse_extensions[] = {
53 { "Administrative Templates Extension",
54 "35378EAC-683F-11D2-A89A-00C04FBBCFA2" }, /* Registry Policy ? */
55 { "Microsoft Disc Quota",
56 "3610EDA5-77EF-11D2-8DC5-00C04FA31A66" },
58 "B1BE8D72-6EAC-11D2-A4EA-00C04F79F83A" },
59 { "Folder Redirection",
60 "25537BA6-77A8-11D2-9B6C-0000F8080861" },
62 "E437BC1C-AA7D-11D2-A382-00C04F991E27" },
63 { "Internet Explorer Branding",
64 "A2E30F80-D7DE-11d2-BBDE-00C04F86AE3B" },
65 { "QoS Packet Scheduler",
66 "426031c0-0b47-4852-b0ca-ac3d37bfcb39" },
68 "42B5FAAE-6536-11D2-AE5A-0000F87571E3" },
70 "827D319E-6EAC-11D2-A4EA-00C04F79F83A" },
71 { "Software Installation",
72 "C6DC5466-785A-11D2-84D0-00C04FB169F7" },
73 { "Wireless Group Policy",
74 "0ACDD40C-75AC-BAA0-BF6DE7E7FE63" },
79 static struct snapin_table gpo_cse_snapin_extensions[] = {
80 { "Administrative Templates",
81 "0F6B957D-509E-11D1-A7CC-0000F87571E3", gpo_snapin_handler_none },
83 "53D6AB1D-2488-11D1-A28C-00C04FB94F17", gpo_snapin_handler_none },
84 { "EFS recovery policy processing",
85 "B1BE8D72-6EAC-11D2-A4EA-00C04F79F83A", gpo_snapin_handler_none },
86 { "Folder Redirection policy processing",
87 "25537BA6-77A8-11D2-9B6C-0000F8080861", gpo_snapin_handler_none },
88 { "Folder Redirection",
89 "88E729D6-BDC1-11D1-BD2A-00C04FB9603F", gpo_snapin_handler_none },
90 { "Registry policy processing",
91 "35378EAC-683F-11D2-A89A-00C04FBBCFA2", gpo_snapin_handler_none },
92 { "Remote Installation Services",
93 "3060E8CE-7020-11D2-842D-00C04FA372D4", gpo_snapin_handler_none },
94 { "Security Settings",
95 "803E14A0-B4FB-11D0-A0D0-00A0C90F574B", gpo_snapin_handler_security_settings },
96 { "Security policy processing",
97 "827D319E-6EAC-11D2-A4EA-00C04F79F83A", gpo_snapin_handler_security_settings },
99 "3060E8D0-7020-11D2-842D-00C04FA372D4", gpo_snapin_handler_none },
101 "53D6AB1B-2488-11D1-A28C-00C04FB94F17", gpo_snapin_handler_none },
105 static const char *name_to_guid_string(const char *name, struct gpo_table *table)
109 for (i = 0; table[i].name; i++) {
110 if (strequal(name, table[i].name)) {
111 return table[i].guid_string;
118 static const char *guid_string_to_name(const char *guid_string, struct gpo_table *table)
122 for (i = 0; table[i].guid_string; i++) {
123 if (strequal(guid_string, table[i].guid_string)) {
124 return table[i].name;
131 static const char *snapin_guid_string_to_name(const char *guid_string,
132 struct snapin_table *table)
135 for (i = 0; table[i].guid_string; i++) {
136 if (strequal(guid_string, table[i].guid_string)) {
137 return table[i].name;
144 static const char *default_gpo_name_to_guid_string(const char *name)
146 return name_to_guid_string(name, gpo_default_policy);
149 static const char *default_gpo_guid_string_to_name(const char *guid)
151 return guid_string_to_name(guid, gpo_default_policy);
155 const char *cse_gpo_guid_string_to_name(const char *guid)
157 return guid_string_to_name(guid, gpo_cse_extensions);
160 static const char *cse_gpo_name_to_guid_string(const char *name)
162 return name_to_guid_string(name, gpo_cse_extensions);
165 const char *cse_snapin_gpo_guid_string_to_name(const char *guid)
167 return snapin_guid_string_to_name(guid, gpo_cse_snapin_extensions);
170 void dump_gp_ext(struct GP_EXT *gp_ext, int debuglevel)
172 int lvl = debuglevel;
175 if (gp_ext == NULL) {
179 DEBUG(lvl,("\t---------------------\n\n"));
180 DEBUGADD(lvl,("\tname:\t\t\t%s\n", gp_ext->gp_extension));
182 for (i=0; i< gp_ext->num_exts; i++) {
184 DEBUGADD(lvl,("\textension:\t\t\t%s\n", gp_ext->extensions_guid[i]));
185 DEBUGADD(lvl,("\textension (name):\t\t\t%s\n", gp_ext->extensions[i]));
187 DEBUGADD(lvl,("\tsnapin:\t\t\t%s\n", gp_ext->snapins_guid[i]));
188 DEBUGADD(lvl,("\tsnapin (name):\t\t\t%s\n", gp_ext->snapins[i]));
192 void dump_gpo(TALLOC_CTX *mem_ctx, struct GROUP_POLICY_OBJECT *gpo, int debuglevel)
194 int lvl = debuglevel;
200 DEBUG(lvl,("---------------------\n\n"));
202 DEBUGADD(lvl,("name:\t\t\t%s\n", gpo->name));
203 DEBUGADD(lvl,("displayname:\t\t%s\n", gpo->display_name));
204 DEBUGADD(lvl,("version:\t\t%d (0x%08x)\n", gpo->version, gpo->version));
205 DEBUGADD(lvl,("version_user:\t\t%d (0x%04x)\n", GPO_VERSION_USER(gpo->version),
206 GPO_VERSION_USER(gpo->version)));
207 DEBUGADD(lvl,("version_machine:\t%d (0x%04x)\n", GPO_VERSION_MACHINE(gpo->version),
208 GPO_VERSION_MACHINE(gpo->version)));
209 DEBUGADD(lvl,("filesyspath:\t\t%s\n", gpo->file_sys_path));
210 DEBUGADD(lvl,("dspath:\t\t%s\n", gpo->ds_path));
212 DEBUGADD(lvl,("options:\t\t%d ", gpo->options));
213 if (gpo->options & GPFLAGS_USER_SETTINGS_DISABLED) {
214 DEBUGADD(lvl,("GPFLAGS_USER_SETTINGS_DISABLED "));
216 if (gpo->options & GPFLAGS_MACHINE_SETTINGS_DISABLED) {
217 DEBUGADD(lvl,("GPFLAGS_MACHINE_SETTINGS_DISABLED"));
219 DEBUGADD(lvl,("\n"));
221 DEBUGADD(lvl,("link:\t\t\t%s\n", gpo->link));
222 DEBUGADD(lvl,("link_type:\t\t%d ", gpo->link_type));
223 switch (gpo->link_type) {
225 DEBUGADD(lvl,("GP_LINK_UNKOWN\n"));
228 DEBUGADD(lvl,("GP_LINK_OU\n"));
231 DEBUGADD(lvl,("GP_LINK_DOMAIN\n"));
234 DEBUGADD(lvl,("GP_LINK_SITE\n"));
236 case GP_LINK_MACHINE:
237 DEBUGADD(lvl,("GP_LINK_MACHINE\n"));
243 DEBUGADD(lvl,("machine_extensions:\t%s\n", gpo->machine_extensions));
245 if (gpo->machine_extensions) {
247 struct GP_EXT *gp_ext = NULL;
250 status = ads_parse_gp_ext(mem_ctx, gpo->machine_extensions, &gp_ext);
251 if (!ADS_ERR_OK(status)) {
254 dump_gp_ext(gp_ext, lvl);
257 DEBUGADD(lvl,("user_extensions:\t%s\n", gpo->user_extensions));
259 if (gpo->user_extensions) {
261 struct GP_EXT *gp_ext = NULL;
264 status = ads_parse_gp_ext(mem_ctx, gpo->user_extensions, &gp_ext);
265 if (!ADS_ERR_OK(status)) {
268 dump_gp_ext(gp_ext, lvl);
272 /****************************************************************
273 ****************************************************************/
275 void dump_gpo_list(TALLOC_CTX *mem_ctx,
276 struct GROUP_POLICY_OBJECT *gpo_list,
279 struct GROUP_POLICY_OBJECT *gpo = NULL;
281 for (gpo = gpo_list; gpo; gpo = gpo->next) {
282 dump_gpo(mem_ctx, gpo, debuglevel);
286 /****************************************************************
287 ****************************************************************/
289 void dump_gplink(ADS_STRUCT *ads, TALLOC_CTX *mem_ctx, struct GP_LINK *gp_link)
295 if (gp_link == NULL) {
299 DEBUG(lvl,("---------------------\n\n"));
301 DEBUGADD(lvl,("gplink: %s\n", gp_link->gp_link));
302 DEBUGADD(lvl,("gpopts: %d ", gp_link->gp_opts));
303 switch (gp_link->gp_opts) {
304 case GPOPTIONS_INHERIT:
305 DEBUGADD(lvl,("GPOPTIONS_INHERIT\n"));
307 case GPOPTIONS_BLOCK_INHERITANCE:
308 DEBUGADD(lvl,("GPOPTIONS_BLOCK_INHERITANCE\n"));
314 DEBUGADD(lvl,("num links: %d\n", gp_link->num_links));
316 for (i = 0; i < gp_link->num_links; i++) {
318 DEBUGADD(lvl,("---------------------\n\n"));
320 DEBUGADD(lvl,("link: #%d\n", i + 1));
321 DEBUGADD(lvl,("name: %s\n", gp_link->link_names[i]));
323 DEBUGADD(lvl,("opt: %d ", gp_link->link_opts[i]));
324 if (gp_link->link_opts[i] & GPO_LINK_OPT_ENFORCED) {
325 DEBUGADD(lvl,("GPO_LINK_OPT_ENFORCED "));
327 if (gp_link->link_opts[i] & GPO_LINK_OPT_DISABLED) {
328 DEBUGADD(lvl,("GPO_LINK_OPT_DISABLED"));
330 DEBUGADD(lvl,("\n"));
332 if (ads != NULL && mem_ctx != NULL) {
334 struct GROUP_POLICY_OBJECT gpo;
336 status = ads_get_gpo(ads, mem_ctx, gp_link->link_names[i], NULL, NULL, &gpo);
337 if (!ADS_ERR_OK(status)) {
338 DEBUG(lvl,("get gpo for %s failed: %s\n", gp_link->link_names[i], ads_errstr(status)));
341 dump_gpo(mem_ctx, &gpo, lvl);
346 /****************************************************************
347 ****************************************************************/
349 ADS_STATUS process_extension_with_snapin(ADS_STRUCT *ads,
351 const char *extension_guid,
352 const char *snapin_guid)
356 for (i=0; gpo_cse_snapin_extensions[i].guid_string; i++) {
358 if (strcmp(gpo_cse_snapin_extensions[i].guid_string, snapin_guid) == 0) {
360 return gpo_cse_snapin_extensions[i].snapin_fn(ads, mem_ctx,
361 extension_guid, snapin_guid);
365 DEBUG(10,("process_extension_with_snapin: no snapin handler for extension %s (%s) found\n",
366 extension_guid, snapin_guid));
371 /****************************************************************
372 ****************************************************************/
374 ADS_STATUS gpo_process_a_gpo(ADS_STRUCT *ads,
376 struct GROUP_POLICY_OBJECT *gpo,
377 const char *extension_guid_filter,
381 struct GP_EXT *gp_ext = NULL;
384 if (flags & GPO_LIST_FLAG_MACHINE) {
386 if (gpo->machine_extensions) {
388 status = ads_parse_gp_ext(mem_ctx, gpo->machine_extensions, &gp_ext);
390 if (!ADS_ERR_OK(status)) {
395 /* nothing to apply */
401 if (gpo->user_extensions) {
403 status = ads_parse_gp_ext(mem_ctx, gpo->user_extensions, &gp_ext);
405 if (!ADS_ERR_OK(status)) {
409 /* nothing to apply */
414 for (i=0; i<gp_ext->num_exts; i++) {
416 if (extension_guid_filter && !strequal(extension_guid_filter, gp_ext->extensions_guid[i])) {
420 status = process_extension_with_snapin(ads, mem_ctx,
421 gp_ext->extensions_guid[i],
422 gp_ext->snapins_guid[i]);
423 if (!ADS_ERR_OK(status)) {
431 /****************************************************************
432 ****************************************************************/
434 ADS_STATUS gpo_process_gpo_list(ADS_STRUCT *ads,
436 struct GROUP_POLICY_OBJECT *gpo_list,
437 const char *extensions_guid,
441 struct GROUP_POLICY_OBJECT *gpo;
443 for (gpo = gpo_list; gpo; gpo = gpo->next) {
445 status = gpo_process_a_gpo(ads, mem_ctx, gpo,
446 extensions_guid, flags);
448 if (!ADS_ERR_OK(status)) {
457 ADS_STATUS gpo_snapin_handler_none(ADS_STRUCT *ads,
459 const char *extension_guid,
460 const char *snapin_guid)
462 DEBUG(10,("gpo_snapin_handler_none\n"));
467 ADS_STATUS gpo_snapin_handler_security_settings(ADS_STRUCT *ads,
469 const char *extension_guid,
470 const char *snapin_guid)
472 DEBUG(10,("gpo_snapin_handler_security_settings\n"));
477 ADS_STATUS gpo_lockout_policy(ADS_STRUCT *ads,
479 const char *hostname,
480 SAM_UNK_INFO_12 *lockout_policy)
482 return ADS_ERROR_NT(NT_STATUS_NOT_IMPLEMENTED);
485 /****************************************************************
486 ****************************************************************/
488 ADS_STATUS gpo_password_policy(ADS_STRUCT *ads,
490 const char *hostname,
491 SAM_UNK_INFO_1 *password_policy)
494 struct GROUP_POLICY_OBJECT *gpo_list;
495 const char *attrs[] = {"distinguishedName", "userAccountControl", NULL};
497 LDAPMessage *res = NULL;
500 filter = talloc_asprintf(mem_ctx, "(&(objectclass=user)(sAMAccountName=%s))", hostname);
501 if (filter == NULL) {
502 return ADS_ERROR(LDAP_NO_MEMORY);
505 status = ads_do_search_all(ads, ads->config.bind_path,
507 filter, attrs, &res);
509 if (!ADS_ERR_OK(status)) {
513 if (ads_count_replies(ads, res) != 1) {
514 ads_msgfree(ads, res);
515 return ADS_ERROR(LDAP_NO_SUCH_OBJECT);
518 dn = ads_get_dn(ads, res);
520 ads_msgfree(ads, res);
521 return ADS_ERROR(LDAP_NO_MEMORY);
524 if (!ads_pull_uint32(ads, res, "userAccountControl", &uac)) {
525 ads_msgfree(ads, res);
526 ads_memfree(ads, dn);
527 return ADS_ERROR(LDAP_NO_MEMORY);
530 ads_msgfree(ads, res);
532 if (!(uac & UF_WORKSTATION_TRUST_ACCOUNT)) {
533 ads_memfree(ads, dn);
534 return ADS_ERROR(LDAP_NO_SUCH_OBJECT);
537 status = ads_get_gpo_list(ads, mem_ctx, dn, GPO_LIST_FLAG_MACHINE, &gpo_list);
538 if (!ADS_ERR_OK(status)) {
539 ads_memfree(ads, dn);
543 ads_memfree(ads, dn);
545 status = gpo_process_gpo_list(ads, mem_ctx, gpo_list,
546 cse_gpo_name_to_guid_string("Security"),
547 GPO_LIST_FLAG_MACHINE);
548 if (!ADS_ERR_OK(status)) {
555 /****************************************************************
556 check wether the version number in a GROUP_POLICY_OBJECT match those of the
557 locally stored version. If not, fetch the required policy via CIFS
558 ****************************************************************/
560 NTSTATUS check_refresh_gpo(ADS_STRUCT *ads,
562 struct GROUP_POLICY_OBJECT *gpo,
563 struct cli_state **cli_out)
568 char *nt_path = NULL;
569 char *unix_path = NULL;
570 uint32 sysvol_gpt_version = 0;
571 char *display_name = NULL;
572 struct cli_state *cli = NULL;
574 result = gpo_explode_filesyspath(mem_ctx, gpo->file_sys_path,
575 &server, &share, &nt_path, &unix_path);
577 if (!NT_STATUS_IS_OK(result)) {
581 result = gpo_get_sysvol_gpt_version(mem_ctx,
585 if (!NT_STATUS_IS_OK(result) &&
586 !NT_STATUS_EQUAL(result, NT_STATUS_NO_SUCH_FILE)) {
587 DEBUG(10,("check_refresh_gpo: failed to get local gpt version: %s\n",
592 while (gpo->version > sysvol_gpt_version) {
594 DEBUG(1,("check_refresh_gpo: need to refresh GPO\n"));
596 if (*cli_out == NULL) {
598 result = cli_full_connection(&cli, global_myname(),
599 server, /* ads->config.ldap_server_name, */
602 ads->auth.user_name, NULL, ads->auth.password,
603 CLI_FULL_CONNECTION_USE_KERBEROS,
605 if (!NT_STATUS_IS_OK(result)) {
606 DEBUG(10,("check_refresh_gpo: failed to connect: %s\n", nt_errstr(result)));
613 result = gpo_fetch_files(mem_ctx, *cli_out, gpo);
614 if (!NT_STATUS_IS_OK(result)) {
618 result = gpo_get_sysvol_gpt_version(mem_ctx,
622 if (!NT_STATUS_IS_OK(result)) {
623 DEBUG(10,("check_refresh_gpo: failed to get local gpt version: %s\n",
628 if (gpo->version == sysvol_gpt_version) {
633 DEBUG(10,("Name:\t\t\t%s\n", gpo->display_name));
634 DEBUGADD(10,("sysvol GPT version:\t%d (user: %d, machine: %d)\n",
636 GPO_VERSION_USER(sysvol_gpt_version),
637 GPO_VERSION_MACHINE(sysvol_gpt_version)));
638 DEBUGADD(10,("LDAP GPO version:\t%d (user: %d, machine: %d)\n",
640 GPO_VERSION_USER(gpo->version),
641 GPO_VERSION_MACHINE(gpo->version)));
643 result = NT_STATUS_OK;
650 /****************************************************************
651 check wether the version numbers in the gpo_list match the locally stored, if
652 not, go and get each required GPO via CIFS
653 ****************************************************************/
655 NTSTATUS check_refresh_gpo_list(ADS_STRUCT *ads,
657 struct GROUP_POLICY_OBJECT *gpo_list)
659 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
660 struct cli_state *cli = NULL;
661 struct GROUP_POLICY_OBJECT *gpo;
664 return NT_STATUS_INVALID_PARAMETER;
667 for (gpo = gpo_list; gpo; gpo = gpo->next) {
669 result = check_refresh_gpo(ads, mem_ctx, gpo, &cli);
670 if (!NT_STATUS_IS_OK(result)) {
675 result = NT_STATUS_OK;
685 #endif /* HAVE_LDAP */