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
|
/*
Unix SMB/CIFS implementation.
endpoint server for the drsuapi pipe
DsCrackNames()
Copyright (C) Stefan Metzmacher 2004
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
#include "librpc/gen_ndr/ndr_drsuapi.h"
#include "rpc_server/dcerpc_server.h"
#include "rpc_server/common/common.h"
#include "rpc_server/drsuapi/dcesrv_drsuapi.h"
#include "lib/ldb/include/ldb.h"
static WERROR DsCrackNameOneName(struct drsuapi_bind_state *b_state, TALLOC_CTX *mem_ctx,
uint32 format_offered, uint32 format_desired, const char *name,
struct drsuapi_DsNameInfo1 *info1)
{
int ret;
const char *domain_filter;
const char * const *domain_attrs;
struct ldb_message **domain_res;
const char *result_basedn;
const char *result_filter = NULL;
const char * const *result_attrs;
struct ldb_message **result_res;
info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
info1->dns_domain_name = NULL;
info1->result_name = NULL;
/* TODO: fill crack the correct names in all cases! */
switch (format_offered) {
case DRSUAPI_DS_NAME_FORMAT_CANONICAL: {
char *str;
str = talloc_asprintf(mem_ctx, "%s/", lp_realm());
WERR_TALLOC_CHECK(str);
ret = strcasecmp(str, name);
talloc_free(str);
if (ret != 0) {
info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
return WERR_OK;
}
domain_filter = talloc_asprintf(mem_ctx, "(&(objectClass=domainDNS)(name=%s))",
lp_workgroup());
WERR_TALLOC_CHECK(domain_filter);
break;
}
case DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT: {
char *p;
char *domain;
const char *account = NULL;
domain = talloc_strdup(mem_ctx, name);
WERR_TALLOC_CHECK(domain);
p = strchr(domain, '\\');
if (!p) {
/* invalid input format */
info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
return WERR_OK;
}
p[0] = '\0';
if (p[1]) {
account = &p[1];
}
domain_filter = talloc_asprintf(mem_ctx, "(&(objectClass=domainDNS)(name=%s))",
domain);
WERR_TALLOC_CHECK(domain_filter);
if (account) {
result_filter = talloc_asprintf(mem_ctx, "(sAMAccountName=%s)",
account);
WERR_TALLOC_CHECK(result_filter);
}
talloc_free(domain);
break;
}
default: {
info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
return WERR_OK;
}
}
switch (format_desired) {
case DRSUAPI_DS_NAME_FORMAT_FQDN_1779: {
const char * const _domain_attrs[] = { "dn", "dnsDomain", NULL};
const char * const _result_attrs[] = { "dn", NULL};
domain_attrs = _domain_attrs;
result_attrs = _result_attrs;
break;
}
case DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT: {
const char * const _domain_attrs[] = { "name", "dnsDomain", "dn", NULL};
const char * const _result_attrs[] = { "sAMAccountName", NULL};
domain_attrs = _domain_attrs;
result_attrs = _result_attrs;
break;
}
case DRSUAPI_DS_NAME_FORMAT_GUID: {
const char * const _domain_attrs[] = { "objectGUID", "dnsDomain", "dn", NULL};
const char * const _result_attrs[] = { "objectGUID", NULL};
domain_attrs = _domain_attrs;
result_attrs = _result_attrs;
break;
}
default:
return WERR_OK;
}
ret = samdb_search(b_state->sam_ctx, mem_ctx, NULL, &domain_res, domain_attrs,
"%s", domain_filter);
switch (ret) {
case 1:
break;
case 0:
info1->status = DRSUAPI_DS_NAME_STATUS_NOT_FOUND;
return WERR_OK;
case -1:
info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
return WERR_OK;
default:
info1->status = DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE;
return WERR_OK;
}
info1->dns_domain_name = samdb_result_string(domain_res[0], "dnsDomain", NULL);
WERR_TALLOC_CHECK(info1->dns_domain_name);
info1->status = DRSUAPI_DS_NAME_STATUS_DOMAIN_ONLY;
if (result_filter) {
result_basedn = samdb_result_string(domain_res[0], "dn", NULL);
ret = samdb_search(b_state->sam_ctx, mem_ctx, result_basedn, &result_res,
result_attrs, "%s", result_filter);
switch (ret) {
case 1:
break;
case 0:
return WERR_OK;
case -1:
info1->status = DRSUAPI_DS_NAME_STATUS_RESOLVE_ERROR;
return WERR_OK;
default:
info1->status = DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE;
return WERR_OK;
}
} else {
result_res = domain_res;
}
switch (format_desired) {
case DRSUAPI_DS_NAME_FORMAT_FQDN_1779: {
info1->result_name = samdb_result_string(result_res[0], "dn", NULL);
WERR_TALLOC_CHECK(info1->result_name);
info1->status = DRSUAPI_DS_NAME_STATUS_OK;
return WERR_OK;
}
case DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT: {
const char *_dom = samdb_result_string(domain_res[0], "name", NULL);
const char *_acc = "";
WERR_TALLOC_CHECK(_dom);
if (result_filter) {
_acc = samdb_result_string(result_res[0], "sAMAccountName", NULL);
WERR_TALLOC_CHECK(_acc);
}
info1->result_name = talloc_asprintf(mem_ctx, "%s\\%s", _dom, _acc);
WERR_TALLOC_CHECK(info1->result_name);
info1->status = DRSUAPI_DS_NAME_STATUS_OK;
return WERR_OK;
}
case DRSUAPI_DS_NAME_FORMAT_GUID: {
const char *result = samdb_result_string(result_res[0], "objectGUID", NULL);
WERR_TALLOC_CHECK(result);
info1->result_name = talloc_asprintf(mem_ctx, "{%s}", result);
WERR_TALLOC_CHECK(info1->result_name);
info1->status = DRSUAPI_DS_NAME_STATUS_OK;
return WERR_OK;
}
default:
return WERR_OK;
}
return WERR_INVALID_PARAM;
}
/*
drsuapi_DsCrackNames
*/
WERROR dcesrv_drsuapi_DsCrackNames(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
struct drsuapi_DsCrackNames *r)
{
WERROR status;
struct drsuapi_bind_state *b_state;
struct dcesrv_handle *h;
r->out.level = r->in.level;
ZERO_STRUCT(r->out.ctr);
DCESRV_PULL_HANDLE_WERR(h, r->in.bind_handle, DRSUAPI_BIND_HANDLE);
b_state = h->data;
switch (r->in.level) {
case 1: {
struct drsuapi_DsNameInfo1 *names;
int count;
int i;
r->out.ctr.ctr1 = talloc_p(mem_ctx, struct drsuapi_DsNameCtr1);
WERR_TALLOC_CHECK(r->out.ctr.ctr1);
r->out.ctr.ctr1->count = 0;
r->out.ctr.ctr1->array = NULL;
count = r->in.req.req1.count;
names = talloc_array_p(mem_ctx, struct drsuapi_DsNameInfo1, count);
WERR_TALLOC_CHECK(names);
for (i=0; i < count; i++) {
status = DsCrackNameOneName(b_state, mem_ctx,
r->in.req.req1.format_offered,
r->in.req.req1.format_desired,
r->in.req.req1.names[i].str,
&names[i]);
if (!W_ERROR_IS_OK(status)) {
return status;
}
}
r->out.ctr.ctr1->count = count;
r->out.ctr.ctr1->array = names;
return WERR_OK;
}
}
return WERR_UNKNOWN_LEVEL;
}
|
