Adjust samba 3 to the new gpo API. Still untested code.
[jra/samba/.git] / libgpo / gpo_util.c
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 #define TALLOC_DEPRECATED 1
20 #include "includes.h"
21 #include "librpc/gen_ndr/ndr_misc.h"
22 #if _SAMBA_BUILD_ == 4
23 #include "system/filesys.h"
24 #include "auth/auth.h"
25 #include "../libgpo/gpo.h"
26 #include "../lib/talloc/talloc.h"
27 #include "source4/libgpo/ads_convenience.h"
28 #endif
29 #undef strdup
30
31 #if 0
32 #define DEFAULT_DOMAIN_POLICY "Default Domain Policy"
33 #define DEFAULT_DOMAIN_CONTROLLERS_POLICY "Default Domain Controllers Policy"
34 #endif
35
36 /* should we store a parsed guid ? */
37 struct gp_table {
38         const char *name;
39         const char *guid_string;
40 };
41
42 #if 0 /* unused */
43 static struct gp_table gpo_default_policy[] = {
44         { DEFAULT_DOMAIN_POLICY,
45                 "31B2F340-016D-11D2-945F-00C04FB984F9" },
46         { DEFAULT_DOMAIN_CONTROLLERS_POLICY,
47                 "6AC1786C-016F-11D2-945F-00C04fB984F9" },
48         { NULL, NULL }
49 };
50 #endif
51
52 /* the following is seen in gPCMachineExtensionNames / gPCUserExtensionNames */
53
54 static struct gp_table gpo_cse_extensions[] = {
55         /* used to be "Administrative Templates Extension" */
56         /* "Registry Settings"
57         (http://support.microsoft.com/kb/216357/EN-US/) */
58         { "Registry Settings",
59                 GP_EXT_GUID_REGISTRY },
60         { "Microsoft Disc Quota",
61                 "3610EDA5-77EF-11D2-8DC5-00C04FA31A66" },
62         { "EFS recovery",
63                 "B1BE8D72-6EAC-11D2-A4EA-00C04F79F83A" },
64         { "Folder Redirection",
65                 "25537BA6-77A8-11D2-9B6C-0000F8080861" },
66         { "IP Security",
67                 "E437BC1C-AA7D-11D2-A382-00C04F991E27" },
68         { "Internet Explorer Branding",
69                 "A2E30F80-D7DE-11d2-BBDE-00C04F86AE3B" },
70         { "QoS Packet Scheduler",
71                 "426031c0-0b47-4852-b0ca-ac3d37bfcb39" },
72         { "Scripts",
73                 GP_EXT_GUID_SCRIPTS },
74         { "Security",
75                 GP_EXT_GUID_SECURITY },
76         { "Software Installation",
77                 "C6DC5466-785A-11D2-84D0-00C04FB169F7" },
78         { "Wireless Group Policy",
79                 "0ACDD40C-75AC-BAA0-BF6DE7E7FE63" },
80         { "Application Management",
81                 "C6DC5466-785A-11D2-84D0-00C04FB169F7" },
82         { "unknown",
83                 "3060E8D0-7020-11D2-842D-00C04FA372D4" },
84         { NULL, NULL }
85 };
86
87 /* guess work */
88 static struct gp_table gpo_cse_snapin_extensions[] = {
89         { "Administrative Templates",
90                 "0F6B957D-509E-11D1-A7CC-0000F87571E3" },
91         { "Certificates",
92                 "53D6AB1D-2488-11D1-A28C-00C04FB94F17" },
93         { "EFS recovery policy processing",
94                 "B1BE8D72-6EAC-11D2-A4EA-00C04F79F83A" },
95         { "Folder Redirection policy processing",
96                 "25537BA6-77A8-11D2-9B6C-0000F8080861" },
97         { "Folder Redirection",
98                 "88E729D6-BDC1-11D1-BD2A-00C04FB9603F" },
99         { "Registry policy processing",
100                 "35378EAC-683F-11D2-A89A-00C04FBBCFA2" },
101         { "Remote Installation Services",
102                 "3060E8CE-7020-11D2-842D-00C04FA372D4" },
103         { "Security Settings",
104                 "803E14A0-B4FB-11D0-A0D0-00A0C90F574B" },
105         { "Security policy processing",
106                 "827D319E-6EAC-11D2-A4EA-00C04F79F83A" },
107         { "unknown",
108                 "3060E8D0-7020-11D2-842D-00C04FA372D4" },
109         { "unknown2",
110                 "53D6AB1B-2488-11D1-A28C-00C04FB94F17" },
111         { NULL, NULL }
112 };
113
114 /****************************************************************
115 ****************************************************************/
116
117 static const char *name_to_guid_string(const char *name,
118                                        struct gp_table *table)
119 {
120         int i;
121
122         for (i = 0; table[i].name; i++) {
123                 if (strequal(name, table[i].name)) {
124                         return table[i].guid_string;
125                 }
126         }
127
128         return NULL;
129 }
130
131 /****************************************************************
132 ****************************************************************/
133
134 static const char *guid_string_to_name(const char *guid_string,
135                                        struct gp_table *table)
136 {
137         int i;
138
139         for (i = 0; table[i].guid_string; i++) {
140                 if (strequal(guid_string, table[i].guid_string)) {
141                         return table[i].name;
142                 }
143         }
144
145         return NULL;
146 }
147
148 /****************************************************************
149 ****************************************************************/
150
151 static const char *snapin_guid_string_to_name(const char *guid_string,
152                                               struct gp_table *table)
153 {
154         int i;
155         for (i = 0; table[i].guid_string; i++) {
156                 if (strequal(guid_string, table[i].guid_string)) {
157                         return table[i].name;
158                 }
159         }
160         return NULL;
161 }
162
163 #if 0 /* unused */
164 static const char *default_gpo_name_to_guid_string(const char *name)
165 {
166         return name_to_guid_string(name, gpo_default_policy);
167 }
168
169 static const char *default_gpo_guid_string_to_name(const char *guid)
170 {
171         return guid_string_to_name(guid, gpo_default_policy);
172 }
173 #endif
174
175 /****************************************************************
176 ****************************************************************/
177
178 const char *cse_gpo_guid_string_to_name(const char *guid)
179 {
180         return guid_string_to_name(guid, gpo_cse_extensions);
181 }
182
183 /****************************************************************
184 ****************************************************************/
185
186 const char *cse_gpo_name_to_guid_string(const char *name)
187 {
188         return name_to_guid_string(name, gpo_cse_extensions);
189 }
190
191 /****************************************************************
192 ****************************************************************/
193
194 const char *cse_snapin_gpo_guid_string_to_name(const char *guid)
195 {
196         return snapin_guid_string_to_name(guid, gpo_cse_snapin_extensions);
197 }
198
199 /****************************************************************
200 ****************************************************************/
201
202 void dump_gp_ext(struct GP_EXT *gp_ext, int debuglevel)
203 {
204         int lvl = debuglevel;
205         int i;
206
207         if (gp_ext == NULL) {
208                 return;
209         }
210
211         DEBUG(lvl,("\t---------------------\n\n"));
212         DEBUGADD(lvl,("\tname:\t\t\t%s\n", gp_ext->gp_extension));
213
214         for (i=0; i< gp_ext->num_exts; i++) {
215
216                 DEBUGADD(lvl,("\textension:\t\t\t%s\n",
217                         gp_ext->extensions_guid[i]));
218                 DEBUGADD(lvl,("\textension (name):\t\t\t%s\n",
219                         gp_ext->extensions[i]));
220
221                 DEBUGADD(lvl,("\tsnapin:\t\t\t%s\n",
222                         gp_ext->snapins_guid[i]));
223                 DEBUGADD(lvl,("\tsnapin (name):\t\t\t%s\n",
224                         gp_ext->snapins[i]));
225         }
226 }
227
228 #ifdef HAVE_LDAP
229
230 /****************************************************************
231 ****************************************************************/
232
233 void dump_gpo(ADS_STRUCT *ads,
234               TALLOC_CTX *mem_ctx,
235               struct GROUP_POLICY_OBJECT *gpo,
236               int debuglevel)
237 {
238         int lvl = debuglevel;
239
240         if (gpo == NULL) {
241                 return;
242         }
243
244         DEBUG(lvl,("---------------------\n\n"));
245
246         DEBUGADD(lvl,("name:\t\t\t%s\n", gpo->name));
247         DEBUGADD(lvl,("displayname:\t\t%s\n", gpo->display_name));
248         DEBUGADD(lvl,("version:\t\t%d (0x%08x)\n", gpo->version, gpo->version));
249         DEBUGADD(lvl,("version_user:\t\t%d (0x%04x)\n",
250                 GPO_VERSION_USER(gpo->version),
251                 GPO_VERSION_USER(gpo->version)));
252         DEBUGADD(lvl,("version_machine:\t%d (0x%04x)\n",
253                 GPO_VERSION_MACHINE(gpo->version),
254                  GPO_VERSION_MACHINE(gpo->version)));
255         DEBUGADD(lvl,("filesyspath:\t\t%s\n", gpo->file_sys_path));
256         DEBUGADD(lvl,("dspath:\t\t%s\n", gpo->ds_path));
257
258         DEBUGADD(lvl,("options:\t\t%d ", gpo->options));
259         switch (gpo->options) {
260                 case GPFLAGS_ALL_ENABLED:
261                         DEBUGADD(lvl,("GPFLAGS_ALL_ENABLED\n"));
262                         break;
263                 case GPFLAGS_USER_SETTINGS_DISABLED:
264                         DEBUGADD(lvl,("GPFLAGS_USER_SETTINGS_DISABLED\n"));
265                         break;
266                 case GPFLAGS_MACHINE_SETTINGS_DISABLED:
267                         DEBUGADD(lvl,("GPFLAGS_MACHINE_SETTINGS_DISABLED\n"));
268                         break;
269                 case GPFLAGS_ALL_DISABLED:
270                         DEBUGADD(lvl,("GPFLAGS_ALL_DISABLED\n"));
271                         break;
272                 default:
273                         DEBUGADD(lvl,("unknown option: %d\n", gpo->options));
274                         break;
275         }
276
277         DEBUGADD(lvl,("link:\t\t\t%s\n", gpo->link));
278         DEBUGADD(lvl,("link_type:\t\t%d ", gpo->link_type));
279         switch (gpo->link_type) {
280                 case GP_LINK_UNKOWN:
281                         DEBUGADD(lvl,("GP_LINK_UNKOWN\n"));
282                         break;
283                 case GP_LINK_OU:
284                         DEBUGADD(lvl,("GP_LINK_OU\n"));
285                         break;
286                 case GP_LINK_DOMAIN:
287                         DEBUGADD(lvl,("GP_LINK_DOMAIN\n"));
288                         break;
289                 case GP_LINK_SITE:
290                         DEBUGADD(lvl,("GP_LINK_SITE\n"));
291                         break;
292                 case GP_LINK_MACHINE:
293                         DEBUGADD(lvl,("GP_LINK_MACHINE\n"));
294                         break;
295                 default:
296                         break;
297         }
298
299         DEBUGADD(lvl,("machine_extensions:\t%s\n", gpo->machine_extensions));
300
301         if (gpo->machine_extensions) {
302
303                 struct GP_EXT *gp_ext = NULL;
304
305                 if (!ads_parse_gp_ext(mem_ctx, gpo->machine_extensions,
306                                       &gp_ext)) {
307                         return;
308                 }
309                 dump_gp_ext(gp_ext, lvl);
310         }
311
312         DEBUGADD(lvl,("user_extensions:\t%s\n", gpo->user_extensions));
313
314         if (gpo->user_extensions) {
315
316                 struct GP_EXT *gp_ext = NULL;
317
318                 if (!ads_parse_gp_ext(mem_ctx, gpo->user_extensions,
319                                       &gp_ext)) {
320                         return;
321                 }
322                 dump_gp_ext(gp_ext, lvl);
323         }
324
325         DEBUGADD(lvl,("security descriptor:\n"));
326
327         NDR_PRINT_DEBUG(security_descriptor, gpo->security_descriptor);
328 }
329
330 /****************************************************************
331 ****************************************************************/
332
333 void dump_gpo_list(ADS_STRUCT *ads,
334                    TALLOC_CTX *mem_ctx,
335                    struct GROUP_POLICY_OBJECT *gpo_list,
336                    int debuglevel)
337 {
338         struct GROUP_POLICY_OBJECT *gpo = NULL;
339
340         for (gpo = gpo_list; gpo; gpo = gpo->next) {
341                 dump_gpo(ads, mem_ctx, gpo, debuglevel);
342         }
343 }
344
345 /****************************************************************
346 ****************************************************************/
347
348 void dump_gplink(ADS_STRUCT *ads, TALLOC_CTX *mem_ctx, struct GP_LINK *gp_link)
349 {
350         ADS_STATUS status;
351         int i;
352         int lvl = 10;
353
354         if (gp_link == NULL) {
355                 return;
356         }
357
358         DEBUG(lvl,("---------------------\n\n"));
359
360         DEBUGADD(lvl,("gplink: %s\n", gp_link->gp_link));
361         DEBUGADD(lvl,("gpopts: %d ", gp_link->gp_opts));
362         switch (gp_link->gp_opts) {
363                 case GPOPTIONS_INHERIT:
364                         DEBUGADD(lvl,("GPOPTIONS_INHERIT\n"));
365                         break;
366                 case GPOPTIONS_BLOCK_INHERITANCE:
367                         DEBUGADD(lvl,("GPOPTIONS_BLOCK_INHERITANCE\n"));
368                         break;
369                 default:
370                         break;
371         }
372
373         DEBUGADD(lvl,("num links: %d\n", gp_link->num_links));
374
375         for (i = 0; i < gp_link->num_links; i++) {
376
377                 DEBUGADD(lvl,("---------------------\n\n"));
378
379                 DEBUGADD(lvl,("link: #%d\n", i + 1));
380                 DEBUGADD(lvl,("name: %s\n", gp_link->link_names[i]));
381
382                 DEBUGADD(lvl,("opt: %d ", gp_link->link_opts[i]));
383                 if (gp_link->link_opts[i] & GPO_LINK_OPT_ENFORCED) {
384                         DEBUGADD(lvl,("GPO_LINK_OPT_ENFORCED "));
385                 }
386                 if (gp_link->link_opts[i] & GPO_LINK_OPT_DISABLED) {
387                         DEBUGADD(lvl,("GPO_LINK_OPT_DISABLED"));
388                 }
389                 DEBUGADD(lvl,("\n"));
390
391                 if (ads != NULL && mem_ctx != NULL) {
392
393                         struct GROUP_POLICY_OBJECT gpo;
394
395                         status = ads_get_gpo(ads, mem_ctx,
396                                              gp_link->link_names[i],
397                                              NULL, NULL, &gpo);
398                         if (!ADS_ERR_OK(status)) {
399                                 DEBUG(lvl,("get gpo for %s failed: %s\n",
400                                         gp_link->link_names[i],
401                                         ads_errstr(status)));
402                                 return;
403                         }
404                         dump_gpo(ads, mem_ctx, &gpo, lvl);
405                 }
406         }
407 }
408
409 #endif /* HAVE_LDAP */
410
411 /****************************************************************
412 ****************************************************************/
413
414 static bool gpo_get_gp_ext_from_gpo(TALLOC_CTX *mem_ctx,
415                                     uint32_t flags,
416                                     struct GROUP_POLICY_OBJECT *gpo,
417                                     struct GP_EXT **gp_ext)
418 {
419         ZERO_STRUCTP(*gp_ext);
420
421         if (flags & GPO_INFO_FLAG_MACHINE) {
422
423                 if (gpo->machine_extensions) {
424
425                         if (!ads_parse_gp_ext(mem_ctx, gpo->machine_extensions,
426                                               gp_ext)) {
427                                 return false;
428                         }
429                 }
430         } else {
431
432                 if (gpo->user_extensions) {
433
434                         if (!ads_parse_gp_ext(mem_ctx, gpo->user_extensions,
435                                               gp_ext)) {
436                                 return false;
437                         }
438                 }
439         }
440
441         return true;
442 }
443
444 /****************************************************************
445 ****************************************************************/
446
447 ADS_STATUS gpo_process_a_gpo(ADS_STRUCT *ads,
448                              TALLOC_CTX *mem_ctx,
449                              const NT_USER_TOKEN *token,
450                              struct registry_key *root_key,
451                              struct GROUP_POLICY_OBJECT *gpo,
452                              const char *extension_guid_filter,
453                              uint32_t flags)
454 {
455         struct GP_EXT *gp_ext = NULL;
456         int i;
457
458         DEBUG(10,("gpo_process_a_gpo: processing gpo %s (%s)\n",
459                 gpo->name, gpo->display_name));
460         if (extension_guid_filter) {
461                 DEBUGADD(10,("gpo_process_a_gpo: using filter %s (%s)\n",
462                         extension_guid_filter,
463                         cse_gpo_guid_string_to_name(extension_guid_filter)));
464         }
465
466         if (!gpo_get_gp_ext_from_gpo(mem_ctx, flags, gpo, &gp_ext)) {
467                 return ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER);
468         }
469
470         if (!gp_ext || !gp_ext->num_exts) {
471                 if (flags & GPO_INFO_FLAG_VERBOSE) {
472                         DEBUG(0,("gpo_process_a_gpo: "
473                                 "no policies in %s (%s) for this extension\n",
474                                 gpo->name, gpo->display_name));
475                 }
476                 return ADS_SUCCESS;
477         }
478
479         for (i=0; i<gp_ext->num_exts; i++) {
480
481                 NTSTATUS ntstatus;
482
483                 if (extension_guid_filter &&
484                     !strequal(extension_guid_filter,
485                               gp_ext->extensions_guid[i])) {
486                         continue;
487                 }
488
489                 ntstatus = gpext_process_extension(ads, mem_ctx,
490                                                    flags, token, root_key, gpo,
491                                                    gp_ext->extensions_guid[i],
492                                                    gp_ext->snapins_guid[i]);
493                 if (!NT_STATUS_IS_OK(ntstatus)) {
494                         ADS_ERROR_NT(ntstatus);
495                 }
496         }
497
498         return ADS_SUCCESS;
499 }
500
501 /****************************************************************
502 ****************************************************************/
503
504 static ADS_STATUS gpo_process_gpo_list_by_ext(ADS_STRUCT *ads,
505                                               TALLOC_CTX *mem_ctx,
506                                               const NT_USER_TOKEN *token,
507                                               struct registry_key *root_key,
508                                               struct GROUP_POLICY_OBJECT *gpo_list,
509                                               const char *extensions_guid,
510                                               uint32_t flags)
511 {
512         ADS_STATUS status;
513         struct GROUP_POLICY_OBJECT *gpo;
514
515         for (gpo = gpo_list; gpo; gpo = gpo->next) {
516
517                 if (gpo->link_type == GP_LINK_LOCAL) {
518                         continue;
519                 }
520
521
522                 /* FIXME: we need to pass down the *list* down to the
523                  * extension, otherwise we cannot store the e.g. the *list* of
524                  * logon-scripts correctly (for more then one GPO) */
525
526                 status = gpo_process_a_gpo(ads, mem_ctx, token, root_key,
527                                            gpo, extensions_guid, flags);
528
529                 if (!ADS_ERR_OK(status)) {
530                         DEBUG(0,("failed to process gpo by ext: %s\n",
531                                 ads_errstr(status)));
532                         return status;
533                 }
534         }
535
536         return ADS_SUCCESS;
537 }
538
539 /****************************************************************
540 ****************************************************************/
541
542 ADS_STATUS gpo_process_gpo_list(ADS_STRUCT *ads,
543                                 TALLOC_CTX *mem_ctx,
544                                 const NT_USER_TOKEN *token,
545                                 struct GROUP_POLICY_OBJECT *gpo_list,
546                                 const char *extensions_guid_filter,
547                                 uint32_t flags)
548 {
549         ADS_STATUS status = ADS_SUCCESS;
550         struct gp_extension *gp_ext_list = NULL;
551         struct gp_extension *gp_ext = NULL;
552         struct registry_key *root_key = NULL;
553         struct gp_registry_context *reg_ctx = NULL;
554 #if 0
555         WERROR werr;
556 #endif
557         status = ADS_ERROR_NT(init_gp_extensions(mem_ctx));
558         if (!ADS_ERR_OK(status)) {
559                 return status;
560         }
561
562         gp_ext_list = get_gp_extension_list();
563         if (!gp_ext_list) {
564                 return ADS_ERROR_NT(NT_STATUS_DLL_INIT_FAILED);
565         }
566 /* FIXME Needs to be replaced with new patchfile_preg calls */
567 #if 0
568         /* get the key here */
569         if (flags & GPO_LIST_FLAG_MACHINE) {
570                 werr = gp_init_reg_ctx(mem_ctx, KEY_HKLM, REG_KEY_WRITE,
571                                        get_system_token(),
572                                        &reg_ctx);
573         } else {
574                 werr = gp_init_reg_ctx(mem_ctx, KEY_HKCU, REG_KEY_WRITE,
575                                        token,
576                                        &reg_ctx);
577         }
578         if (!W_ERROR_IS_OK(werr)) {
579                 talloc_free(reg_ctx);
580                 return ADS_ERROR_NT(werror_to_ntstatus(werr));
581         }
582 #endif
583
584         root_key = reg_ctx->curr_key;
585
586         for (gp_ext = gp_ext_list; gp_ext; gp_ext = gp_ext->next) {
587
588                 const char *guid_str = NULL;
589
590                 guid_str = GUID_string(mem_ctx, gp_ext->guid);
591                 if (!guid_str) {
592                         status = ADS_ERROR_NT(NT_STATUS_NO_MEMORY);
593                         goto done;
594                 }
595
596                 if (extensions_guid_filter &&
597                     (!strequal(guid_str, extensions_guid_filter)))  {
598                         continue;
599                 }
600
601                 DEBUG(0,("-------------------------------------------------\n"));
602                 DEBUG(0,("gpo_process_gpo_list: processing ext: %s {%s}\n",
603                         gp_ext->name, guid_str));
604
605
606                 status = gpo_process_gpo_list_by_ext(ads, mem_ctx, token,
607                                                      root_key, gpo_list,
608                                                      guid_str, flags);
609                 if (!ADS_ERR_OK(status)) {
610                         goto done;
611                 }
612         }
613
614  done:
615         talloc_free(reg_ctx);
616         talloc_free(root_key);
617         free_gp_extensions();
618
619         return status;
620 }
621
622
623 /****************************************************************
624  check wether the version number in a GROUP_POLICY_OBJECT match those of the
625  locally stored version. If not, fetch the required policy via CIFS
626 ****************************************************************/
627
628 NTSTATUS check_refresh_gpo(ADS_STRUCT *ads,
629                            TALLOC_CTX *mem_ctx,
630                            const char *cache_dir,
631                            struct loadparm_context *lp_ctx,
632                            uint32_t flags,
633                            struct GROUP_POLICY_OBJECT *gpo)
634 {
635         NTSTATUS result;
636         char *server = NULL;
637         char *share = NULL;
638         char *nt_path = NULL;
639         char *unix_path = NULL;
640         uint32_t sysvol_gpt_version = 0;
641         char *display_name = NULL;
642
643         result = gpo_explode_filesyspath(mem_ctx, cache_dir, gpo->file_sys_path,
644                                          &server, &share, &nt_path, &unix_path);
645
646         if (!NT_STATUS_IS_OK(result)) {
647                 goto out;
648         }
649
650         result = gpo_get_sysvol_gpt_version(mem_ctx,
651                                             unix_path,
652                                             &sysvol_gpt_version,
653                                             &display_name);
654         if (!NT_STATUS_IS_OK(result) &&
655             !NT_STATUS_EQUAL(result, NT_STATUS_NO_SUCH_FILE)) {
656                 DEBUG(10,("check_refresh_gpo: "
657                         "failed to get local gpt version: %s\n",
658                         nt_errstr(result)));
659                 goto out;
660         }
661
662         DEBUG(10,("check_refresh_gpo: versions gpo %d sysvol %d\n",
663                 gpo->version, sysvol_gpt_version));
664
665         /* FIXME: handle GPO_INFO_FLAG_FORCED_REFRESH from flags */
666
667         while (gpo->version > sysvol_gpt_version) {
668
669                 DEBUG(1,("check_refresh_gpo: need to refresh GPO\n"));
670
671                 result = gpo_fetch_files(mem_ctx, ads, lp_ctx, cache_dir, gpo);
672                 if (!NT_STATUS_IS_OK(result)) {
673                         goto out;
674                 }
675
676                 result = gpo_get_sysvol_gpt_version(mem_ctx,
677                                                     unix_path,
678                                                     &sysvol_gpt_version,
679                                                     &display_name);
680                 if (!NT_STATUS_IS_OK(result)) {
681                         DEBUG(10,("check_refresh_gpo: "
682                                 "failed to get local gpt version: %s\n",
683                                 nt_errstr(result)));
684                         goto out;
685                 }
686
687                 if (gpo->version == sysvol_gpt_version) {
688                         break;
689                 }
690         }
691
692         DEBUG(10,("Name:\t\t\t%s (%s)\n", gpo->display_name, gpo->name));
693         DEBUGADD(10,("sysvol GPT version:\t%d (user: %d, machine: %d)\n",
694                 sysvol_gpt_version,
695                 GPO_VERSION_USER(sysvol_gpt_version),
696                 GPO_VERSION_MACHINE(sysvol_gpt_version)));
697         DEBUGADD(10,("LDAP GPO version:\t%d (user: %d, machine: %d)\n",
698                 gpo->version,
699                 GPO_VERSION_USER(gpo->version),
700                 GPO_VERSION_MACHINE(gpo->version)));
701         DEBUGADD(10,("LDAP GPO link:\t\t%s\n", gpo->link));
702
703         result = NT_STATUS_OK;
704
705  out:
706         return result;
707
708 }
709
710 /****************************************************************
711  check wether the version numbers in the gpo_list match the locally stored, if
712  not, go and get each required GPO via CIFS
713  ****************************************************************/
714
715 NTSTATUS check_refresh_gpo_list(ADS_STRUCT *ads,
716                                 TALLOC_CTX *mem_ctx,
717                                 const char *cache_dir,
718                                 struct loadparm_context *lp_ctx,
719                                 uint32_t flags,
720                                 struct GROUP_POLICY_OBJECT *gpo_list)
721 {
722         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
723         struct GROUP_POLICY_OBJECT *gpo;
724
725         if (!gpo_list) {
726                 return NT_STATUS_INVALID_PARAMETER;
727         }
728
729         for (gpo = gpo_list; gpo; gpo = gpo->next) {
730
731                 result = check_refresh_gpo(ads, mem_ctx, cache_dir, lp_ctx, flags, gpo);
732                 if (!NT_STATUS_IS_OK(result)) {
733                         goto out;
734                 }
735         }
736
737         result = NT_STATUS_OK;
738
739  out:
740         /* FIXME close cli connection */
741
742         return result;
743 }
744
745 /****************************************************************
746 ****************************************************************/
747
748 NTSTATUS gpo_get_unix_path(TALLOC_CTX *mem_ctx,
749                            const char *cache_dir,
750                            struct GROUP_POLICY_OBJECT *gpo,
751                            char **unix_path)
752 {
753         char *server, *share, *nt_path;
754         return gpo_explode_filesyspath(mem_ctx, cache_dir, gpo->file_sys_path,
755                                        &server, &share, &nt_path, unix_path);
756 }
757
758 /****************************************************************
759 ****************************************************************/
760
761 char *gpo_flag_str(TALLOC_CTX *ctx, uint32_t flags)
762 {
763         char *str = NULL;
764
765         if (flags == 0) {
766                 return NULL;
767         }
768
769         if (flags & GPO_INFO_FLAG_SLOWLINK)
770                 str = talloc_append_string(ctx, str, "GPO_INFO_FLAG_SLOWLINK ");
771         if (flags & GPO_INFO_FLAG_VERBOSE)
772                 str = talloc_append_string(ctx, str, "GPO_INFO_FLAG_VERBOSE ");
773         if (flags & GPO_INFO_FLAG_SAFEMODE_BOOT)
774                 str = talloc_append_string(ctx, str, "GPO_INFO_FLAG_SAFEMODE_BOOT ");
775         if (flags & GPO_INFO_FLAG_NOCHANGES)
776                 str = talloc_append_string(ctx, str, "GPO_INFO_FLAG_NOCHANGES ");
777         if (flags & GPO_INFO_FLAG_MACHINE)
778                 str = talloc_append_string(ctx, str, "GPO_INFO_FLAG_MACHINE ");
779         if (flags & GPO_INFO_FLAG_LOGRSOP_TRANSITION)
780                 str = talloc_append_string(ctx, str, "GPO_INFO_FLAG_LOGRSOP_TRANSITION ");
781         if (flags & GPO_INFO_FLAG_LINKTRANSITION)
782                 str = talloc_append_string(ctx, str, "GPO_INFO_FLAG_LINKTRANSITION ");
783         if (flags & GPO_INFO_FLAG_FORCED_REFRESH)
784                 str = talloc_append_string(ctx, str, "GPO_INFO_FLAG_FORCED_REFRESH ");
785         if (flags & GPO_INFO_FLAG_BACKGROUND)
786                 str = talloc_append_string(ctx, str, "GPO_INFO_FLAG_BACKGROUND ");
787
788         return str;
789 }
790
791 /****************************************************************
792 ****************************************************************/
793
794 NTSTATUS gp_find_file(TALLOC_CTX *mem_ctx,
795                       uint32_t flags,
796                       const char *filename,
797                       const char *suffix,
798                       const char **filename_out)
799 {
800         const char *tmp = NULL;
801         struct stat sbuf;
802         const char *path = NULL;
803
804         if (flags & GPO_LIST_FLAG_MACHINE) {
805                 path = "Machine";
806         } else {
807                 path = "User";
808         }
809
810         tmp = talloc_asprintf(mem_ctx, "%s/%s/%s", filename,
811                               path, suffix);
812         NT_STATUS_HAVE_NO_MEMORY(tmp);
813
814         if (stat(tmp, &sbuf) == 0) {
815                 *filename_out = tmp;
816                 return NT_STATUS_OK;
817         }
818
819         path = talloc_strdup_upper(mem_ctx, path);
820         NT_STATUS_HAVE_NO_MEMORY(path);
821
822         tmp = talloc_asprintf(mem_ctx, "%s/%s/%s", filename,
823                               path, suffix);
824         NT_STATUS_HAVE_NO_MEMORY(tmp);
825
826         if (stat(tmp, &sbuf) == 0) {
827                 *filename_out = tmp;
828                 return NT_STATUS_OK;
829         }
830
831         return NT_STATUS_NO_SUCH_FILE;
832 }
833
834 /****************************************************************
835 ****************************************************************/
836
837 ADS_STATUS gp_get_machine_token(ADS_STRUCT *ads,
838                                 TALLOC_CTX *mem_ctx,
839                                 struct loadparm_context *lp_ctx,
840                                 const char *dn,
841                                 NT_USER_TOKEN **token)
842 {
843         NT_USER_TOKEN *ad_token = NULL;
844         ADS_STATUS status;
845 #if _SAMBA_BUILD_ == 4
846         struct auth_session_info *info;
847 #else
848         NTSTATUS ntstatus;
849 #endif
850
851 #ifndef HAVE_ADS
852         return ADS_ERROR_NT(NT_STATUS_NOT_SUPPORTED);
853 #endif
854         status = ads_get_sid_token(ads, mem_ctx, dn, &ad_token);
855         if (!ADS_ERR_OK(status)) {
856                 return status;
857         }
858 #if _SAMBA_BUILD_ == 4
859         info = system_session(mem_ctx, lp_ctx);
860         *token = info->security_token;
861 #else
862         ntstatus = merge_nt_token(mem_ctx, ad_token, get_system_token(),
863                                   token);
864         if (!NT_STATUS_IS_OK(ntstatus)) {
865                 return ADS_ERROR_NT(ntstatus);
866         }
867 #endif
868         return ADS_SUCCESS;
869 }