summaryrefslogtreecommitdiff
path: root/source3/winbindd/winbindd_reconnect.c
blob: d04c1bf61f81ffdf19c95501cdfa7805a26f7025 (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
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
/* 
   Unix SMB/CIFS implementation.

   Wrapper around winbindd_rpc.c to centralize retry logic.

   Copyright (C) Volker Lendecke 2005
   
   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, see <http://www.gnu.org/licenses/>.
*/

#include "includes.h"
#include "winbindd.h"

#undef DBGC_CLASS
#define DBGC_CLASS DBGC_WINBIND

extern struct winbindd_methods msrpc_methods;

static bool reconnect_need_retry(NTSTATUS status)
{
	if (NT_STATUS_IS_OK(status)) {
		return false;
	}

	if (!NT_STATUS_IS_ERR(status)) {
		return false;
	}

	if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED)) {
		return false;
	}

	if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
		return false;
	}

	if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_GROUP)) {
		return false;
	}

	if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_ALIAS)) {
		return false;
	}

	if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_MEMBER)) {
		return false;
	}

	if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_DOMAIN)) {
		return false;
	}

	if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_PRIVILEGE)) {
		return false;
	}

	if (NT_STATUS_EQUAL(status, NT_STATUS_NO_MEMORY)) {
		return false;
	}

	return true;
}

/* List all users */
static NTSTATUS query_user_list(struct winbindd_domain *domain,
				TALLOC_CTX *mem_ctx,
				uint32 *num_entries, 
				struct wbint_userinfo **info)
{
	NTSTATUS result;

	result = msrpc_methods.query_user_list(domain, mem_ctx,
					       num_entries, info);

	if (reconnect_need_retry(result))
		result = msrpc_methods.query_user_list(domain, mem_ctx,
						       num_entries, info);
	return result;
}

/* list all domain groups */
static NTSTATUS enum_dom_groups(struct winbindd_domain *domain,
				TALLOC_CTX *mem_ctx,
				uint32 *num_entries, 
				struct acct_info **info)
{
	NTSTATUS result;

	result = msrpc_methods.enum_dom_groups(domain, mem_ctx,
					       num_entries, info);

	if (reconnect_need_retry(result))
		result = msrpc_methods.enum_dom_groups(domain, mem_ctx,
						       num_entries, info);
	return result;
}

/* List all domain groups */

static NTSTATUS enum_local_groups(struct winbindd_domain *domain,
				  TALLOC_CTX *mem_ctx,
				  uint32 *num_entries, 
				  struct acct_info **info)
{
	NTSTATUS result;

	result = msrpc_methods.enum_local_groups(domain, mem_ctx,
						 num_entries, info);

	if (reconnect_need_retry(result))
		result = msrpc_methods.enum_local_groups(domain, mem_ctx,
							 num_entries, info);

	return result;
}

/* convert a single name to a sid in a domain */
static NTSTATUS name_to_sid(struct winbindd_domain *domain,
			    TALLOC_CTX *mem_ctx,
			    const char *domain_name,
			    const char *name,
			    uint32_t flags,
			    struct dom_sid *sid,
			    enum lsa_SidType *type)
{
	NTSTATUS result;

	result = msrpc_methods.name_to_sid(domain, mem_ctx, domain_name, name,
					   flags, sid, type);

	if (reconnect_need_retry(result))
		result = msrpc_methods.name_to_sid(domain, mem_ctx,
						   domain_name, name, flags,
						   sid, type);

	return result;
}

/*
  convert a domain SID to a user or group name
*/
static NTSTATUS sid_to_name(struct winbindd_domain *domain,
			    TALLOC_CTX *mem_ctx,
			    const struct dom_sid *sid,
			    char **domain_name,
			    char **name,
			    enum lsa_SidType *type)
{
	NTSTATUS result;

	result = msrpc_methods.sid_to_name(domain, mem_ctx, sid,
					   domain_name, name, type);

	if (reconnect_need_retry(result))
		result = msrpc_methods.sid_to_name(domain, mem_ctx, sid,
						   domain_name, name, type);

	return result;
}

static NTSTATUS rids_to_names(struct winbindd_domain *domain,
			      TALLOC_CTX *mem_ctx,
			      const struct dom_sid *sid,
			      uint32 *rids,
			      size_t num_rids,
			      char **domain_name,
			      char ***names,
			      enum lsa_SidType **types)
{
	NTSTATUS result;

	result = msrpc_methods.rids_to_names(domain, mem_ctx, sid,
					     rids, num_rids,
					     domain_name, names, types);
	if (reconnect_need_retry(result)) {
		result = msrpc_methods.rids_to_names(domain, mem_ctx, sid,
						     rids, num_rids,
						     domain_name, names,
						     types);
	}

	return result;
}

/* Lookup user information from a rid or username. */
static NTSTATUS query_user(struct winbindd_domain *domain, 
			   TALLOC_CTX *mem_ctx, 
			   const struct dom_sid *user_sid,
			   struct wbint_userinfo *user_info)
{
	NTSTATUS result;

	result = msrpc_methods.query_user(domain, mem_ctx, user_sid,
					  user_info);

	if (reconnect_need_retry(result))
		result = msrpc_methods.query_user(domain, mem_ctx, user_sid,
						  user_info);

	return result;
}

/* Lookup groups a user is a member of.  I wish Unix had a call like this! */
static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
				  TALLOC_CTX *mem_ctx,
				  const struct dom_sid *user_sid,
				  uint32 *num_groups, struct dom_sid **user_gids)
{
	NTSTATUS result;

	result = msrpc_methods.lookup_usergroups(domain, mem_ctx,
						 user_sid, num_groups,
						 user_gids);

	if (reconnect_need_retry(result))
		result = msrpc_methods.lookup_usergroups(domain, mem_ctx,
							 user_sid, num_groups,
							 user_gids);

	return result;
}

static NTSTATUS lookup_useraliases(struct winbindd_domain *domain,
				   TALLOC_CTX *mem_ctx,
				   uint32 num_sids, const struct dom_sid *sids,
				   uint32 *num_aliases, uint32 **alias_rids)
{
	NTSTATUS result;

	result = msrpc_methods.lookup_useraliases(domain, mem_ctx,
						  num_sids, sids,
						  num_aliases,
						  alias_rids);

	if (reconnect_need_retry(result))
		result = msrpc_methods.lookup_useraliases(domain, mem_ctx,
							  num_sids, sids,
							  num_aliases,
							  alias_rids);

	return result;
}

/* Lookup group membership given a rid.   */
static NTSTATUS lookup_groupmem(struct winbindd_domain *domain,
				TALLOC_CTX *mem_ctx,
				const struct dom_sid *group_sid,
				enum lsa_SidType type,
				uint32 *num_names,
				struct dom_sid **sid_mem, char ***names,
				uint32 **name_types)
{
	NTSTATUS result;

	result = msrpc_methods.lookup_groupmem(domain, mem_ctx,
					       group_sid, type, num_names,
					       sid_mem, names,
					       name_types);

	if (reconnect_need_retry(result))
		result = msrpc_methods.lookup_groupmem(domain, mem_ctx,
						       group_sid, type,
						       num_names,
						       sid_mem, names,
						       name_types);

	return result;
}

/* find the sequence number for a domain */
static NTSTATUS sequence_number(struct winbindd_domain *domain, uint32 *seq)
{
	NTSTATUS result;

	result = msrpc_methods.sequence_number(domain, seq);

	if (reconnect_need_retry(result))
		result = msrpc_methods.sequence_number(domain, seq);

	return result;
}

/* find the lockout policy of a domain */
static NTSTATUS lockout_policy(struct winbindd_domain *domain, 
			       TALLOC_CTX *mem_ctx,
			       struct samr_DomInfo12 *policy)
{
	NTSTATUS result;

	result = msrpc_methods.lockout_policy(domain, mem_ctx, policy);

	if (reconnect_need_retry(result))
		result = msrpc_methods.lockout_policy(domain, mem_ctx, policy);

	return result;
}

/* find the password policy of a domain */
static NTSTATUS password_policy(struct winbindd_domain *domain, 
				TALLOC_CTX *mem_ctx,
				struct samr_DomInfo1 *policy)
{
 	NTSTATUS result;
 
	result = msrpc_methods.password_policy(domain, mem_ctx, policy);

	if (reconnect_need_retry(result))
		result = msrpc_methods.password_policy(domain, mem_ctx, policy);
	
	return result;
}

/* get a list of trusted domains */
static NTSTATUS trusted_domains(struct winbindd_domain *domain,
				TALLOC_CTX *mem_ctx,
				struct netr_DomainTrustList *trusts)
{
	NTSTATUS result;

	result = msrpc_methods.trusted_domains(domain, mem_ctx, trusts);

	if (reconnect_need_retry(result))
		result = msrpc_methods.trusted_domains(domain, mem_ctx,
						       trusts);

	return result;
}

/* the rpc backend methods are exposed via this structure */
struct winbindd_methods reconnect_methods = {
	False,
	query_user_list,
	enum_dom_groups,
	enum_local_groups,
	name_to_sid,
	sid_to_name,
	rids_to_names,
	query_user,
	lookup_usergroups,
	lookup_useraliases,
	lookup_groupmem,
	sequence_number,
	lockout_policy,
	password_policy,
	trusted_domains,
};