This commit was manufactured by cvs2svn to create branch 'SAMBA_3_0'.(This used to...
[tprouty/samba.git] / source3 / utils / net_rpc_samsync.c
1 /* 
2    Unix SMB/CIFS implementation.
3    dump the remote SAM using rpc samsync operations
4
5    Copyright (C) Andrew Tridgell 2002
6    Copyright (C) Tim Potter 2001,2002
7    Modified by Volker Lendecke 2002
8
9    This program is free software; you can redistribute it and/or modify
10    it under the terms of the GNU General Public License as published by
11    the Free Software Foundation; either version 2 of the License, or
12    (at your option) any later version.
13    
14    This program is distributed in the hope that it will be useful,
15    but WITHOUT ANY WARRANTY; without even the implied warranty of
16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17    GNU General Public License for more details.
18    
19    You should have received a copy of the GNU General Public License
20    along with this program; if not, write to the Free Software
21    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 */
23
24 #include "includes.h"
25 #include "../utils/net.h"
26
27 extern DOM_SID global_sid_Builtin; 
28
29 static void display_group_mem_info(uint32 rid, SAM_GROUP_MEM_INFO *g)
30 {
31         int i;
32         d_printf("Group mem %u: ", rid);
33         for (i=0;i<g->num_members;i++) {
34                 d_printf("%u ", g->rids[i]);
35         }
36         d_printf("\n");
37 }
38
39 static void display_alias_info(uint32 rid, SAM_ALIAS_INFO *a)
40 {
41         d_printf("Alias '%s' ", unistr2_static(&a->uni_als_name));
42         d_printf("desc='%s' rid=%u\n", unistr2_static(&a->uni_als_desc), a->als_rid);
43 }
44
45 static void display_alias_mem(uint32 rid, SAM_ALIAS_MEM_INFO *a)
46 {
47         int i;
48         d_printf("Alias rid %u: ", rid);
49         for (i=0;i<a->num_members;i++) {
50                 d_printf("%s ", sid_string_static(&a->sids[i].sid));
51         }
52         d_printf("\n");
53 }
54
55 static void display_account_info(uint32 rid, SAM_ACCOUNT_INFO *a)
56 {
57         fstring hex_nt_passwd, hex_lm_passwd;
58         uchar lm_passwd[16], nt_passwd[16];
59         static uchar zero_buf[16];
60
61         /* Decode hashes from password hash (if they are not NULL) */
62         
63         if (memcmp(a->pass.buf_lm_pwd, zero_buf, 16) != 0) {
64                 sam_pwd_hash(a->user_rid, a->pass.buf_lm_pwd, lm_passwd, 0);
65                 smbpasswd_sethexpwd(hex_lm_passwd, lm_passwd, a->acb_info);
66         } else {
67                 smbpasswd_sethexpwd(hex_lm_passwd, NULL, 0);
68         }
69
70         if (memcmp(a->pass.buf_nt_pwd, zero_buf, 16) != 0) {
71                 sam_pwd_hash(a->user_rid, a->pass.buf_nt_pwd, nt_passwd, 0);
72                 smbpasswd_sethexpwd(hex_nt_passwd, nt_passwd, a->acb_info);
73         } else {
74                 smbpasswd_sethexpwd(hex_nt_passwd, NULL, 0);
75         }
76         
77         printf("%s:%d:%s:%s:%s:LCT-0\n", unistr2_static(&a->uni_acct_name),
78                a->user_rid, hex_lm_passwd, hex_nt_passwd,
79                smbpasswd_encode_acb_info(a->acb_info));
80 }
81
82 static void display_domain_info(SAM_DOMAIN_INFO *a)
83 {
84         d_printf("Domain name: %s\n", unistr2_static(&a->uni_dom_name));
85 }
86
87 static void display_group_info(uint32 rid, SAM_GROUP_INFO *a)
88 {
89         d_printf("Group '%s' ", unistr2_static(&a->uni_grp_name));
90         d_printf("desc='%s', rid=%u\n", unistr2_static(&a->uni_grp_desc), rid);
91 }
92
93 static void display_sam_entry(SAM_DELTA_HDR *hdr_delta, SAM_DELTA_CTR *delta)
94 {
95         switch (hdr_delta->type) {
96         case SAM_DELTA_ACCOUNT_INFO:
97                 display_account_info(hdr_delta->target_rid, &delta->account_info);
98                 break;
99         case SAM_DELTA_GROUP_MEM:
100                 display_group_mem_info(hdr_delta->target_rid, &delta->grp_mem_info);
101                 break;
102         case SAM_DELTA_ALIAS_INFO:
103                 display_alias_info(hdr_delta->target_rid, &delta->alias_info);
104                 break;
105         case SAM_DELTA_ALIAS_MEM:
106                 display_alias_mem(hdr_delta->target_rid, &delta->als_mem_info);
107                 break;
108         case SAM_DELTA_DOMAIN_INFO:
109                 display_domain_info(&delta->domain_info);
110                 break;
111         case SAM_DELTA_GROUP_INFO:
112                 display_group_info(hdr_delta->target_rid, &delta->group_info);
113                 break;
114         default:
115                 d_printf("Unknown delta record type %d\n", hdr_delta->type);
116                 break;
117         }
118 }
119
120
121 static void dump_database(struct cli_state *cli, unsigned db_type, DOM_CRED *ret_creds)
122 {
123         unsigned sync_context = 0;
124         NTSTATUS result;
125         int i;
126         TALLOC_CTX *mem_ctx;
127         SAM_DELTA_HDR *hdr_deltas;
128         SAM_DELTA_CTR *deltas;
129         uint32 num_deltas;
130
131         if (!(mem_ctx = talloc_init("dump_database"))) {
132                 return;
133         }
134
135         d_printf("Dumping database %u\n", db_type);
136
137         do {
138                 result = cli_netlogon_sam_sync(cli, mem_ctx, ret_creds, db_type,
139                                                sync_context,
140                                                &num_deltas, &hdr_deltas, &deltas);
141                 clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred), ret_creds);
142                 for (i = 0; i < num_deltas; i++) {
143                         display_sam_entry(&hdr_deltas[i], &deltas[i]);
144                 }
145                 sync_context += 1;
146         } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
147
148         talloc_destroy(mem_ctx);
149 }
150
151 /* dump sam database via samsync rpc calls */
152 int rpc_samdump(int argc, const char **argv)
153 {
154         NTSTATUS result;
155         struct cli_state *cli = NULL;
156         uchar trust_password[16];
157         DOM_CRED ret_creds;
158         uint32 neg_flags = 0x000001ff;
159
160
161         ZERO_STRUCT(ret_creds);
162
163         /* Connect to remote machine */
164         if (!(cli = net_make_ipc_connection(NET_FLAGS_ANONYMOUS | NET_FLAGS_PDC))) {
165                 return 1;
166         }
167
168         if (!cli_nt_session_open(cli, PI_NETLOGON)) {
169                 DEBUG(0,("Error connecting to NETLOGON pipe\n"));
170                 goto fail;
171         }
172
173         if (!secrets_fetch_trust_account_password(lp_workgroup(), trust_password, NULL)) {
174                 d_printf("Could not retrieve domain trust secret\n");
175                 goto fail;
176         }
177         
178         result = cli_nt_setup_creds(cli, SEC_CHAN_BDC,  trust_password, &neg_flags, 2);
179         if (!NT_STATUS_IS_OK(result)) {
180                 d_printf("Failed to setup BDC creds\n");
181                 goto fail;
182         }
183
184         dump_database(cli, SAM_DATABASE_DOMAIN, &ret_creds);
185         dump_database(cli, SAM_DATABASE_BUILTIN, &ret_creds);
186         dump_database(cli, SAM_DATABASE_PRIVS, &ret_creds);
187
188         cli_nt_session_close(cli);
189         
190         return 0;
191
192 fail:
193         if (cli) {
194                 cli_nt_session_close(cli);
195         }
196         return -1;
197 }
198
199 /* Convert a SAM_ACCOUNT_DELTA to a SAM_ACCOUNT. */
200
201 static NTSTATUS
202 sam_account_from_delta(SAM_ACCOUNT *account, SAM_ACCOUNT_INFO *delta)
203 {
204         fstring s;
205         uchar lm_passwd[16], nt_passwd[16];
206         static uchar zero_buf[16];
207
208         /* Username, fullname, home dir, dir drive, logon script, acct
209            desc, workstations, profile. */
210
211         unistr2_to_ascii(s, &delta->uni_acct_name, sizeof(s) - 1);
212         pdb_set_nt_username(account, s, PDB_CHANGED);
213
214         /* Unix username is the same - for sainity */
215         pdb_set_username(account, s, PDB_CHANGED);
216
217         unistr2_to_ascii(s, &delta->uni_full_name, sizeof(s) - 1);
218         pdb_set_fullname(account, s, PDB_CHANGED);
219
220         unistr2_to_ascii(s, &delta->uni_home_dir, sizeof(s) - 1);
221         pdb_set_homedir(account, s, PDB_CHANGED);
222
223         unistr2_to_ascii(s, &delta->uni_dir_drive, sizeof(s) - 1);
224         pdb_set_dir_drive(account, s, PDB_CHANGED);
225
226         unistr2_to_ascii(s, &delta->uni_logon_script, sizeof(s) - 1);
227         pdb_set_logon_script(account, s, PDB_CHANGED);
228
229         unistr2_to_ascii(s, &delta->uni_acct_desc, sizeof(s) - 1);
230         pdb_set_acct_desc(account, s, PDB_CHANGED);
231
232         unistr2_to_ascii(s, &delta->uni_workstations, sizeof(s) - 1);
233         pdb_set_workstations(account, s, PDB_CHANGED);
234
235         unistr2_to_ascii(s, &delta->uni_profile, sizeof(s) - 1);
236         pdb_set_profile_path(account, s, PDB_CHANGED);
237
238         /* User and group sid */
239
240         pdb_set_user_sid_from_rid(account, delta->user_rid, PDB_CHANGED);
241         pdb_set_group_sid_from_rid(account, delta->group_rid, PDB_CHANGED);
242
243         /* Logon and password information */
244
245         pdb_set_logon_time(account, nt_time_to_unix(&delta->logon_time), PDB_CHANGED);
246         pdb_set_logoff_time(account, nt_time_to_unix(&delta->logoff_time),
247                             PDB_CHANGED);
248         pdb_set_logon_divs(account, delta->logon_divs, PDB_CHANGED);
249
250         /* TODO: logon hours */
251         /* TODO: bad password count */
252         /* TODO: logon count */
253
254         pdb_set_pass_last_set_time(
255                 account, nt_time_to_unix(&delta->pwd_last_set_time), PDB_CHANGED);
256
257         pdb_set_kickoff_time(account, get_time_t_max(), PDB_CHANGED);
258
259         /* Decode hashes from password hash 
260            Note that win2000 may send us all zeros for the hashes if it doesn't 
261            think this channel is secure enough - don't set the passwords at all
262            in that case
263          */
264         if (memcmp(delta->pass.buf_lm_pwd, zero_buf, 16) != 0) {
265                 sam_pwd_hash(delta->user_rid, delta->pass.buf_lm_pwd, lm_passwd, 0);
266                 pdb_set_lanman_passwd(account, lm_passwd, PDB_CHANGED);
267         }
268
269         if (memcmp(delta->pass.buf_nt_pwd, zero_buf, 16) != 0) {
270                 sam_pwd_hash(delta->user_rid, delta->pass.buf_nt_pwd, nt_passwd, 0);
271                 pdb_set_nt_passwd(account, nt_passwd, PDB_CHANGED);
272         }
273
274         /* TODO: account expiry time */
275
276         pdb_set_acct_ctrl(account, delta->acb_info, PDB_CHANGED);
277         return NT_STATUS_OK;
278 }
279
280 static NTSTATUS
281 fetch_account_info(uint32 rid, SAM_ACCOUNT_INFO *delta)
282 {
283         NTSTATUS nt_ret;
284         fstring account;
285         pstring add_script;
286         SAM_ACCOUNT *sam_account=NULL;
287         GROUP_MAP map;
288         struct group *grp;
289         DOM_SID sid;
290         BOOL try_add = False;
291
292         fstrcpy(account, unistr2_static(&delta->uni_acct_name));
293         d_printf("Creating account: %s\n", account);
294
295         if (!NT_STATUS_IS_OK(nt_ret = pdb_init_sam(&sam_account)))
296                 return nt_ret;
297
298         if (!pdb_getsampwnam(sam_account, account)) {
299                 /* Create appropriate user */
300                 if (delta->acb_info & ACB_NORMAL) {
301                         pstrcpy(add_script, lp_adduser_script());
302                 } else if ( (delta->acb_info & ACB_WSTRUST) ||
303                             (delta->acb_info & ACB_SVRTRUST) ) {
304                         pstrcpy(add_script, lp_addmachine_script());
305                 } else {
306                         DEBUG(1, ("Unknown user type: %s\n",
307                                   smbpasswd_encode_acb_info(delta->acb_info)));
308                         pdb_free_sam(&sam_account);
309                         return NT_STATUS_NO_SUCH_USER;
310                 }
311                 if (*add_script) {
312                         int add_ret;
313                         all_string_sub(add_script, "%u", account,
314                                        sizeof(account));
315                         add_ret = smbrun(add_script,NULL);
316                         DEBUG(1,("fetch_account: Running the command `%s' "
317                                  "gave %d\n", add_script, add_ret));
318                 }
319
320                 if (!pdb_getsampwnam(sam_account, account)) {
321                         try_add = True;
322                         /* still not there, hope the backend likes NUAs */
323                 }
324         }
325
326         sam_account_from_delta(sam_account, delta);
327
328         if (try_add) { 
329                 if (!pdb_add_sam_account(sam_account)) {
330                         DEBUG(1, ("SAM Account for %s failed to be added to the passdb!\n",
331                                   account));
332                 }
333         } else {
334                 if (!pdb_update_sam_account(sam_account)) {
335                         DEBUG(1, ("SAM Account for %s failed to be updated in the passdb!\n",
336                                   account));
337                 }
338         }
339
340         sid = *pdb_get_group_sid(sam_account);
341
342         if (!pdb_getgrsid(&map, sid, False)) {
343                 DEBUG(0, ("Primary group of %s has no mapping!\n",
344                           pdb_get_username(sam_account)));
345                 pdb_free_sam(&sam_account);
346                 return NT_STATUS_NO_SUCH_GROUP;
347         }
348
349         if (!(grp = getgrgid(map.gid))) {
350                 DEBUG(0, ("Could not find unix group %d for user %s (group SID=%s)\n", 
351                           map.gid, pdb_get_username(sam_account), sid_string_static(&sid)));
352                 pdb_free_sam(&sam_account);
353                 return NT_STATUS_NO_SUCH_GROUP;
354         }
355
356         smb_set_primary_group(grp->gr_name, pdb_get_username(sam_account));
357
358         pdb_free_sam(&sam_account);
359         return NT_STATUS_OK;
360 }
361
362 static NTSTATUS
363 fetch_group_info(uint32 rid, SAM_GROUP_INFO *delta)
364 {
365         fstring name;
366         fstring comment;
367         struct group *grp = NULL;
368         DOM_SID group_sid;
369         fstring sid_string;
370         GROUP_MAP map;
371         BOOL insert = True;
372
373         unistr2_to_ascii(name, &delta->uni_grp_name, sizeof(name)-1);
374         unistr2_to_ascii(comment, &delta->uni_grp_desc, sizeof(comment)-1);
375
376         /* add the group to the mapping table */
377         sid_copy(&group_sid, get_global_sam_sid());
378         sid_append_rid(&group_sid, rid);
379         sid_to_string(sid_string, &group_sid);
380
381         if (pdb_getgrsid(&map, group_sid, False)) {
382                 grp = getgrgid(map.gid);
383                 insert = False;
384         }
385
386         if (grp == NULL)
387         {
388                 gid_t gid;
389
390                 /* No group found from mapping, find it from its name. */
391                 if ((grp = getgrnam(name)) == NULL) {
392                                 /* No appropriate group found, create one */
393                         d_printf("Creating unix group: '%s'\n", name);
394                         if (smb_create_group(name, &gid) != 0)
395                                 return NT_STATUS_ACCESS_DENIED;
396                         if ((grp = getgrgid(gid)) == NULL)
397                                 return NT_STATUS_ACCESS_DENIED;
398                 }
399         }
400
401         map.gid = grp->gr_gid;
402         map.sid = group_sid;
403         map.sid_name_use = SID_NAME_DOM_GRP;
404         fstrcpy(map.nt_name, name);
405         fstrcpy(map.comment, comment);
406
407         map.priv_set.count = 0;
408         map.priv_set.set = NULL;
409
410         if (insert)
411                 pdb_add_group_mapping_entry(&map);
412         else
413                 pdb_update_group_mapping_entry(&map);
414
415         return NT_STATUS_OK;
416 }
417
418 static NTSTATUS
419 fetch_group_mem_info(uint32 rid, SAM_GROUP_MEM_INFO *delta)
420 {
421         int i;
422         TALLOC_CTX *t = NULL;
423         char **nt_members = NULL;
424         char **unix_members;
425         DOM_SID group_sid;
426         GROUP_MAP map;
427         struct group *grp;
428
429         if (delta->num_members == 0) {
430                 return NT_STATUS_OK;
431         }
432
433         sid_copy(&group_sid, get_global_sam_sid());
434         sid_append_rid(&group_sid, rid);
435
436         if (!get_domain_group_from_sid(group_sid, &map, False)) {
437                 DEBUG(0, ("Could not find global group %d\n", rid));
438                 return NT_STATUS_NO_SUCH_GROUP;
439         }
440
441         if (!(grp = getgrgid(map.gid))) {
442                 DEBUG(0, ("Could not find unix group %d\n", map.gid));
443                 return NT_STATUS_NO_SUCH_GROUP;
444         }
445
446         d_printf("Group members of %s: ", grp->gr_name);
447
448         if (!(t = talloc_init("fetch_group_mem_info"))) {
449                 DEBUG(0, ("could not talloc_init\n"));
450                 return NT_STATUS_NO_MEMORY;
451         }
452
453         nt_members = talloc_zero(t, sizeof(char *) * delta->num_members);
454
455         for (i=0; i<delta->num_members; i++) {
456                 NTSTATUS nt_status;
457                 SAM_ACCOUNT *member = NULL;
458                 DOM_SID member_sid;
459
460                 if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_talloc(t, &member))) {
461                         talloc_destroy(t);
462                         return nt_status;
463                 }
464
465                 sid_copy(&member_sid, get_global_sam_sid());
466                 sid_append_rid(&member_sid, delta->rids[i]);
467
468                 if (!pdb_getsampwsid(member, &member_sid)) {
469                         DEBUG(1, ("Found bogus group member: %d (member_sid=%s group=%s)\n",
470                                   delta->rids[i], sid_string_static(&member_sid), grp->gr_name));
471                         pdb_free_sam(&member);
472                         continue;
473                 }
474
475                 if (pdb_get_group_rid(member) == rid) {
476                         d_printf("%s(primary),", pdb_get_username(member));
477                         pdb_free_sam(&member);
478                         continue;
479                 }
480                 
481                 d_printf("%s,", pdb_get_username(member));
482                 nt_members[i] = talloc_strdup(t, pdb_get_username(member));
483                 pdb_free_sam(&member);
484         }
485
486         d_printf("\n");
487
488         unix_members = grp->gr_mem;
489
490         while (*unix_members) {
491                 BOOL is_nt_member = False;
492                 for (i=0; i<delta->num_members; i++) {
493                         if (nt_members[i] == NULL) {
494                                 /* This was a primary group */
495                                 continue;
496                         }
497
498                         if (strcmp(*unix_members, nt_members[i]) == 0) {
499                                 is_nt_member = True;
500                                 break;
501                         }
502                 }
503                 if (!is_nt_member) {
504                         /* We look at a unix group member that is not
505                            an nt group member. So, remove it. NT is
506                            boss here. */
507                         smb_delete_user_group(grp->gr_name, *unix_members);
508                 }
509                 unix_members += 1;
510         }
511
512         for (i=0; i<delta->num_members; i++) {
513                 BOOL is_unix_member = False;
514
515                 if (nt_members[i] == NULL) {
516                         /* This was the primary group */
517                         continue;
518                 }
519
520                 unix_members = grp->gr_mem;
521
522                 while (*unix_members) {
523                         if (strcmp(*unix_members, nt_members[i]) == 0) {
524                                 is_unix_member = True;
525                                 break;
526                         }
527                         unix_members += 1;
528                 }
529
530                 if (!is_unix_member) {
531                         /* We look at a nt group member that is not a
532                            unix group member currently. So, add the nt
533                            group member. */
534                         smb_add_user_group(grp->gr_name, nt_members[i]);
535                 }
536         }
537         
538         talloc_destroy(t);
539         return NT_STATUS_OK;
540 }
541
542 static NTSTATUS fetch_alias_info(uint32 rid, SAM_ALIAS_INFO *delta,
543                                  DOM_SID dom_sid)
544 {
545         fstring name;
546         fstring comment;
547         struct group *grp = NULL;
548         DOM_SID alias_sid;
549         fstring sid_string;
550         GROUP_MAP map;
551         BOOL insert = True;
552
553         unistr2_to_ascii(name, &delta->uni_als_name, sizeof(name)-1);
554         unistr2_to_ascii(comment, &delta->uni_als_desc, sizeof(comment)-1);
555
556         /* Find out whether the group is already mapped */
557         sid_copy(&alias_sid, &dom_sid);
558         sid_append_rid(&alias_sid, rid);
559         sid_to_string(sid_string, &alias_sid);
560
561         if (pdb_getgrsid(&map, alias_sid, False)) {
562                 grp = getgrgid(map.gid);
563                 insert = False;
564         }
565
566         if (grp == NULL) {
567                 gid_t gid;
568
569                 /* No group found from mapping, find it from its name. */
570                 if ((grp = getgrnam(name)) == NULL) {
571                                 /* No appropriate group found, create one */
572                         d_printf("Creating unix group: '%s'\n", name);
573                         if (smb_create_group(name, &gid) != 0)
574                                 return NT_STATUS_ACCESS_DENIED;
575                         if ((grp = getgrgid(gid)) == NULL)
576                                 return NT_STATUS_ACCESS_DENIED;
577                 }
578         }
579
580         map.gid = grp->gr_gid;
581         map.sid = alias_sid;
582
583         if (sid_equal(&dom_sid, &global_sid_Builtin))
584                 map.sid_name_use = SID_NAME_WKN_GRP;
585         else
586                 map.sid_name_use = SID_NAME_ALIAS;
587
588         fstrcpy(map.nt_name, name);
589         fstrcpy(map.comment, comment);
590
591         map.priv_set.count = 0;
592         map.priv_set.set = NULL;
593
594         if (insert)
595                 pdb_add_group_mapping_entry(&map);
596         else
597                 pdb_update_group_mapping_entry(&map);
598
599         return NT_STATUS_OK;
600 }
601
602 static NTSTATUS
603 fetch_alias_mem(uint32 rid, SAM_ALIAS_MEM_INFO *delta, DOM_SID dom_sid)
604 {
605         
606         return NT_STATUS_OK;
607 }
608
609 static void
610 fetch_sam_entry(SAM_DELTA_HDR *hdr_delta, SAM_DELTA_CTR *delta,
611                 DOM_SID dom_sid)
612 {
613         switch(hdr_delta->type) {
614         case SAM_DELTA_ACCOUNT_INFO:
615                 fetch_account_info(hdr_delta->target_rid,
616                                    &delta->account_info);
617                 break;
618         case SAM_DELTA_GROUP_INFO:
619                 fetch_group_info(hdr_delta->target_rid,
620                                  &delta->group_info);
621                 break;
622         case SAM_DELTA_GROUP_MEM:
623                 fetch_group_mem_info(hdr_delta->target_rid,
624                                      &delta->grp_mem_info);
625                 break;
626         case SAM_DELTA_ALIAS_INFO:
627                 fetch_alias_info(hdr_delta->target_rid,
628                                  &delta->alias_info, dom_sid);
629                 break;
630         case SAM_DELTA_ALIAS_MEM:
631                 fetch_alias_mem(hdr_delta->target_rid,
632                                 &delta->als_mem_info, dom_sid);
633                 break;
634         default:
635                 d_printf("Unknown delta record type %d\n", hdr_delta->type);
636                 break;
637         }
638 }
639
640 static void
641 fetch_database(struct cli_state *cli, unsigned db_type, DOM_CRED *ret_creds,
642                DOM_SID dom_sid)
643 {
644         unsigned sync_context = 0;
645         NTSTATUS result;
646         int i;
647         TALLOC_CTX *mem_ctx;
648         SAM_DELTA_HDR *hdr_deltas;
649         SAM_DELTA_CTR *deltas;
650         uint32 num_deltas;
651
652         if (!(mem_ctx = talloc_init("fetch_database"))) {
653                 return;
654         }
655
656         d_printf("Fetching database %u\n", db_type);
657
658         do {
659                 result = cli_netlogon_sam_sync(cli, mem_ctx, ret_creds,
660                                                db_type, sync_context,
661                                                &num_deltas,
662                                                &hdr_deltas, &deltas);
663                 clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred),
664                                      ret_creds);
665                 for (i = 0; i < num_deltas; i++) {
666                         fetch_sam_entry(&hdr_deltas[i], &deltas[i], dom_sid);
667                 }
668                 sync_context += 1;
669         } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
670
671         talloc_destroy(mem_ctx);
672 }
673
674 /* dump sam database via samsync rpc calls */
675 int rpc_vampire(int argc, const char **argv)
676 {
677         NTSTATUS result;
678         struct cli_state *cli = NULL;
679         uchar trust_password[16];
680         DOM_CRED ret_creds;
681         uint32 neg_flags = 0x000001ff;
682         DOM_SID dom_sid;
683
684         ZERO_STRUCT(ret_creds);
685
686         /* Connect to remote machine */
687         if (!(cli = net_make_ipc_connection(NET_FLAGS_ANONYMOUS |
688                                             NET_FLAGS_PDC))) {
689                 return 1;
690         }
691
692         if (!cli_nt_session_open(cli, PI_NETLOGON)) {
693                 DEBUG(0,("Error connecting to NETLOGON pipe\n"));
694                 goto fail;
695         }
696
697         if (!secrets_fetch_trust_account_password(lp_workgroup(),
698                                                   trust_password, NULL)) {
699                 d_printf("Could not retrieve domain trust secret\n");
700                 goto fail;
701         }
702         
703         result = cli_nt_setup_creds(cli, SEC_CHAN_BDC,  trust_password,
704                                     &neg_flags, 2);
705         if (!NT_STATUS_IS_OK(result)) {
706                 d_printf("Failed to setup BDC creds\n");
707                 goto fail;
708         }
709
710         dom_sid = *get_global_sam_sid();
711         fetch_database(cli, SAM_DATABASE_DOMAIN, &ret_creds, dom_sid);
712
713         sid_copy(&dom_sid, &global_sid_Builtin);
714         fetch_database(cli, SAM_DATABASE_BUILTIN, &ret_creds, dom_sid);
715
716         /* Currently we crash on PRIVS somewhere in unmarshalling */
717         /* Dump_database(cli, SAM_DATABASE_PRIVS, &ret_creds); */
718
719         cli_nt_session_close(cli);
720         
721         return 0;
722
723 fail:
724         if (cli) {
725                 cli_nt_session_close(cli);
726         }
727         return -1;
728 }