source: vendor/3.6.9/source3/winbindd/winbindd_reconnect.c

Last change on this file was 740, checked in by Silvan Scherrer, 13 years ago

Samba Server: update vendor to 3.6.0
File size: 8.9 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3
4 Wrapper around winbindd_rpc.c to centralize retry logic.
5
6 Copyright (C) Volker Lendecke 2005
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
20*/
21
22#include "includes.h"
23#include "winbindd.h"
24
25#undef DBGC_CLASS
26#define DBGC_CLASS DBGC_WINBIND
27
28extern struct winbindd_methods msrpc_methods;
29
30static bool reconnect_need_retry(NTSTATUS status)
31{
32 if (NT_STATUS_IS_OK(status)) {
33 return false;
34 }
35
36 if (!NT_STATUS_IS_ERR(status)) {
37 return false;
38 }
39
40 if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED)) {
41 return false;
42 }
43
44 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
45 return false;
46 }
47
48 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_GROUP)) {
49 return false;
50 }
51
52 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_ALIAS)) {
53 return false;
54 }
55
56 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_MEMBER)) {
57 return false;
58 }
59
60 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_DOMAIN)) {
61 return false;
62 }
63
64 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_PRIVILEGE)) {
65 return false;
66 }
67
68 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_MEMORY)) {
69 return false;
70 }
71
72 return true;
73}
74
75/* List all users */
76static NTSTATUS query_user_list(struct winbindd_domain *domain,
77 TALLOC_CTX *mem_ctx,
78 uint32 *num_entries,
79 struct wbint_userinfo **info)
80{
81 NTSTATUS result;
82
83 result = msrpc_methods.query_user_list(domain, mem_ctx,
84 num_entries, info);
85
86 if (reconnect_need_retry(result))
87 result = msrpc_methods.query_user_list(domain, mem_ctx,
88 num_entries, info);
89 return result;
90}
91
92/* list all domain groups */
93static NTSTATUS enum_dom_groups(struct winbindd_domain *domain,
94 TALLOC_CTX *mem_ctx,
95 uint32 *num_entries,
96 struct wb_acct_info **info)
97{
98 NTSTATUS result;
99
100 result = msrpc_methods.enum_dom_groups(domain, mem_ctx,
101 num_entries, info);
102
103 if (reconnect_need_retry(result))
104 result = msrpc_methods.enum_dom_groups(domain, mem_ctx,
105 num_entries, info);
106 return result;
107}
108
109/* List all domain groups */
110
111static NTSTATUS enum_local_groups(struct winbindd_domain *domain,
112 TALLOC_CTX *mem_ctx,
113 uint32 *num_entries,
114 struct wb_acct_info **info)
115{
116 NTSTATUS result;
117
118 result = msrpc_methods.enum_local_groups(domain, mem_ctx,
119 num_entries, info);
120
121 if (reconnect_need_retry(result))
122 result = msrpc_methods.enum_local_groups(domain, mem_ctx,
123 num_entries, info);
124
125 return result;
126}
127
128/* convert a single name to a sid in a domain */
129static NTSTATUS name_to_sid(struct winbindd_domain *domain,
130 TALLOC_CTX *mem_ctx,
131 const char *domain_name,
132 const char *name,
133 uint32_t flags,
134 struct dom_sid *sid,
135 enum lsa_SidType *type)
136{
137 NTSTATUS result;
138
139 result = msrpc_methods.name_to_sid(domain, mem_ctx, domain_name, name,
140 flags, sid, type);
141
142 if (reconnect_need_retry(result))
143 result = msrpc_methods.name_to_sid(domain, mem_ctx,
144 domain_name, name, flags,
145 sid, type);
146
147 return result;
148}
149
150/*
151 convert a domain SID to a user or group name
152*/
153static NTSTATUS sid_to_name(struct winbindd_domain *domain,
154 TALLOC_CTX *mem_ctx,
155 const struct dom_sid *sid,
156 char **domain_name,
157 char **name,
158 enum lsa_SidType *type)
159{
160 NTSTATUS result;
161
162 result = msrpc_methods.sid_to_name(domain, mem_ctx, sid,
163 domain_name, name, type);
164
165 if (reconnect_need_retry(result))
166 result = msrpc_methods.sid_to_name(domain, mem_ctx, sid,
167 domain_name, name, type);
168
169 return result;
170}
171
172static NTSTATUS rids_to_names(struct winbindd_domain *domain,
173 TALLOC_CTX *mem_ctx,
174 const struct dom_sid *sid,
175 uint32 *rids,
176 size_t num_rids,
177 char **domain_name,
178 char ***names,
179 enum lsa_SidType **types)
180{
181 NTSTATUS result;
182
183 result = msrpc_methods.rids_to_names(domain, mem_ctx, sid,
184 rids, num_rids,
185 domain_name, names, types);
186 if (reconnect_need_retry(result)) {
187 result = msrpc_methods.rids_to_names(domain, mem_ctx, sid,
188 rids, num_rids,
189 domain_name, names,
190 types);
191 }
192
193 return result;
194}
195
196/* Lookup user information from a rid or username. */
197static NTSTATUS query_user(struct winbindd_domain *domain,
198 TALLOC_CTX *mem_ctx,
199 const struct dom_sid *user_sid,
200 struct wbint_userinfo *user_info)
201{
202 NTSTATUS result;
203
204 result = msrpc_methods.query_user(domain, mem_ctx, user_sid,
205 user_info);
206
207 if (reconnect_need_retry(result))
208 result = msrpc_methods.query_user(domain, mem_ctx, user_sid,
209 user_info);
210
211 return result;
212}
213
214/* Lookup groups a user is a member of. I wish Unix had a call like this! */
215static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
216 TALLOC_CTX *mem_ctx,
217 const struct dom_sid *user_sid,
218 uint32 *num_groups, struct dom_sid **user_gids)
219{
220 NTSTATUS result;
221
222 result = msrpc_methods.lookup_usergroups(domain, mem_ctx,
223 user_sid, num_groups,
224 user_gids);
225
226 if (reconnect_need_retry(result))
227 result = msrpc_methods.lookup_usergroups(domain, mem_ctx,
228 user_sid, num_groups,
229 user_gids);
230
231 return result;
232}
233
234static NTSTATUS lookup_useraliases(struct winbindd_domain *domain,
235 TALLOC_CTX *mem_ctx,
236 uint32 num_sids, const struct dom_sid *sids,
237 uint32 *num_aliases, uint32 **alias_rids)
238{
239 NTSTATUS result;
240
241 result = msrpc_methods.lookup_useraliases(domain, mem_ctx,
242 num_sids, sids,
243 num_aliases,
244 alias_rids);
245
246 if (reconnect_need_retry(result))
247 result = msrpc_methods.lookup_useraliases(domain, mem_ctx,
248 num_sids, sids,
249 num_aliases,
250 alias_rids);
251
252 return result;
253}
254
255/* Lookup group membership given a rid. */
256static NTSTATUS lookup_groupmem(struct winbindd_domain *domain,
257 TALLOC_CTX *mem_ctx,
258 const struct dom_sid *group_sid,
259 enum lsa_SidType type,
260 uint32 *num_names,
261 struct dom_sid **sid_mem, char ***names,
262 uint32 **name_types)
263{
264 NTSTATUS result;
265
266 result = msrpc_methods.lookup_groupmem(domain, mem_ctx,
267 group_sid, type, num_names,
268 sid_mem, names,
269 name_types);
270
271 if (reconnect_need_retry(result))
272 result = msrpc_methods.lookup_groupmem(domain, mem_ctx,
273 group_sid, type,
274 num_names,
275 sid_mem, names,
276 name_types);
277
278 return result;
279}
280
281/* find the sequence number for a domain */
282static NTSTATUS sequence_number(struct winbindd_domain *domain, uint32 *seq)
283{
284 NTSTATUS result;
285
286 result = msrpc_methods.sequence_number(domain, seq);
287
288 if (reconnect_need_retry(result))
289 result = msrpc_methods.sequence_number(domain, seq);
290
291 return result;
292}
293
294/* find the lockout policy of a domain */
295static NTSTATUS lockout_policy(struct winbindd_domain *domain,
296 TALLOC_CTX *mem_ctx,
297 struct samr_DomInfo12 *policy)
298{
299 NTSTATUS result;
300
301 result = msrpc_methods.lockout_policy(domain, mem_ctx, policy);
302
303 if (reconnect_need_retry(result))
304 result = msrpc_methods.lockout_policy(domain, mem_ctx, policy);
305
306 return result;
307}
308
309/* find the password policy of a domain */
310static NTSTATUS password_policy(struct winbindd_domain *domain,
311 TALLOC_CTX *mem_ctx,
312 struct samr_DomInfo1 *policy)
313{
314 NTSTATUS result;
315
316 result = msrpc_methods.password_policy(domain, mem_ctx, policy);
317
318 if (reconnect_need_retry(result))
319 result = msrpc_methods.password_policy(domain, mem_ctx, policy);
320
321 return result;
322}
323
324/* get a list of trusted domains */
325static NTSTATUS trusted_domains(struct winbindd_domain *domain,
326 TALLOC_CTX *mem_ctx,
327 struct netr_DomainTrustList *trusts)
328{
329 NTSTATUS result;
330
331 result = msrpc_methods.trusted_domains(domain, mem_ctx, trusts);
332
333 if (reconnect_need_retry(result))
334 result = msrpc_methods.trusted_domains(domain, mem_ctx,
335 trusts);
336
337 return result;
338}
339
340/* the rpc backend methods are exposed via this structure */
341struct winbindd_methods reconnect_methods = {
342 False,
343 query_user_list,
344 enum_dom_groups,
345 enum_local_groups,
346 name_to_sid,
347 sid_to_name,
348 rids_to_names,
349 query_user,
350 lookup_usergroups,
351 lookup_useraliases,
352 lookup_groupmem,
353 sequence_number,
354 lockout_policy,
355 password_policy,
356 trusted_domains,
357};
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