summaryrefslogtreecommitdiff
path: root/source4/ldap_server/ldap_backend.c
blob: 58c6dde436484cd2fecbfb36570013cee014f884 (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
/* 
   Unix SMB/CIFS implementation.
   LDAP server
   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 "ldap_server/ldap_server.h"
#include "dlinklist.h"


struct ldapsrv_reply *ldapsrv_init_reply(struct ldapsrv_call *call, enum ldap_request_tag type)
{
	struct ldapsrv_reply *reply;

	reply = talloc(call, struct ldapsrv_reply);
	if (!reply) {
		return NULL;
	}

	reply->prev = reply->next = NULL;
	reply->state = LDAPSRV_REPLY_STATE_NEW;
	reply->msg.messageid = call->request.messageid;
	reply->msg.type = type;
	reply->msg.mem_ctx = reply;

	return reply;
}

NTSTATUS ldapsrv_queue_reply(struct ldapsrv_call *call, struct ldapsrv_reply *reply)
{
	DLIST_ADD_END(call->replies, reply, struct ldapsrv_reply *);
	return NT_STATUS_OK;
}

struct ldapsrv_partition *ldapsrv_get_partition(struct ldapsrv_connection *conn, const char *dn, enum ldap_scope scope)
{
	if (scope == LDAP_SEARCH_SCOPE_BASE
	    && strcasecmp("", dn) == 0) {
		return conn->service->rootDSE;
	}

	return conn->service->default_partition;
}

NTSTATUS ldapsrv_unwilling(struct ldapsrv_call *call, int error)
{
	struct ldapsrv_reply *reply;
	struct ldap_ExtendedResponse *r;

	DEBUG(10,("Unwilling type[%d] id[%d]\n", call->request.type, call->request.messageid));

	reply = ldapsrv_init_reply(call, LDAP_TAG_ExtendedResponse);
	if (!reply) {
		return NT_STATUS_NO_MEMORY;
	}

	r = &reply->msg.r.ExtendedResponse;
	r->response.resultcode = error;
	r->response.dn = NULL;
	r->response.errormessage = NULL;
	r->response.referral = NULL;
	r->name = NULL;
	r->value.data = NULL;
	r->value.length = 0;

	return ldapsrv_queue_reply(call, reply);
}

static NTSTATUS ldapsrv_SearchRequest(struct ldapsrv_call *call)
{
	struct ldap_SearchRequest *req = &call->request.r.SearchRequest;
	struct ldapsrv_partition *part;

	DEBUG(10, ("SearchRequest"));
	DEBUGADD(10, (" basedn: %s", req->basedn));
	DEBUGADD(10, (" filter: %s\n", req->filter));

	part = ldapsrv_get_partition(call->conn, req->basedn, req->scope);

	if (!part->ops->Search) {
		struct ldap_Result *done;
		struct ldapsrv_reply *done_r;

		done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone);
		if (!done_r) {
			return NT_STATUS_NO_MEMORY;
		}

		done = &done_r->msg.r.SearchResultDone;
		done->resultcode = 53;
		done->dn = NULL;
		done->errormessage = NULL;
		done->referral = NULL;

		return ldapsrv_queue_reply(call, done_r);
	}

	return part->ops->Search(part, call, req);
}

static NTSTATUS ldapsrv_ModifyRequest(struct ldapsrv_call *call)
{
	struct ldap_ModifyRequest *req = &call->request.r.ModifyRequest;
	struct ldapsrv_partition *part;

	DEBUG(10, ("ModifyRequest"));
	DEBUGADD(10, (" dn: %s", req->dn));

	part = ldapsrv_get_partition(call->conn, req->dn, LDAP_SEARCH_SCOPE_SUB);

	if (!part->ops->Modify) {
		return ldapsrv_unwilling(call, 53);
	}

	return part->ops->Modify(part, call, req);
}

static NTSTATUS ldapsrv_AddRequest(struct ldapsrv_call *call)
{
	struct ldap_AddRequest *req = &call->request.r.AddRequest;
	struct ldapsrv_partition *part;

	DEBUG(10, ("AddRequest"));
	DEBUGADD(10, (" dn: %s", req->dn));

	part = ldapsrv_get_partition(call->conn, req->dn, LDAP_SEARCH_SCOPE_SUB);

	if (!part->ops->Add) {
		return ldapsrv_unwilling(call, 53);
	}

	return part->ops->Add(part, call, req);
}

static NTSTATUS ldapsrv_DelRequest(struct ldapsrv_call *call)
{
	struct ldap_DelRequest *req = &call->request.r.DelRequest;
	struct ldapsrv_partition *part;

	DEBUG(10, ("DelRequest"));
	DEBUGADD(10, (" dn: %s", req->dn));

	part = ldapsrv_get_partition(call->conn, req->dn, LDAP_SEARCH_SCOPE_SUB);

	if (!part->ops->Del) {
		return ldapsrv_unwilling(call, 53);
	}

	return part->ops->Del(part, call, req);
}

static NTSTATUS ldapsrv_ModifyDNRequest(struct ldapsrv_call *call)
{
	struct ldap_ModifyDNRequest *req = &call->request.r.ModifyDNRequest;
	struct ldapsrv_partition *part;

	DEBUG(10, ("ModifyDNRequrest"));
	DEBUGADD(10, (" dn: %s", req->dn));
	DEBUGADD(10, (" newrdn: %s", req->newrdn));

	part = ldapsrv_get_partition(call->conn, req->dn, LDAP_SEARCH_SCOPE_SUB);

	if (!part->ops->ModifyDN) {
		return ldapsrv_unwilling(call, 53);
	}

	return part->ops->ModifyDN(part, call, req);
}

static NTSTATUS ldapsrv_CompareRequest(struct ldapsrv_call *call)
{
	struct ldap_CompareRequest *req = &call->request.r.CompareRequest;
	struct ldapsrv_partition *part;

	DEBUG(10, ("CompareRequest"));
	DEBUGADD(10, (" dn: %s", req->dn));

	part = ldapsrv_get_partition(call->conn, req->dn, LDAP_SEARCH_SCOPE_SUB);

	if (!part->ops->Compare) {
		return ldapsrv_unwilling(call, 53);
	}

	return part->ops->Compare(part, call, req);
}

static NTSTATUS ldapsrv_AbandonRequest(struct ldapsrv_call *call)
{
/*	struct ldap_AbandonRequest *req = &call->request.r.AbandonRequest;*/
	DEBUG(10, ("AbandonRequest\n"));
	return NT_STATUS_OK;
}

static NTSTATUS ldapsrv_ExtendedRequest(struct ldapsrv_call *call)
{
/*	struct ldap_ExtendedRequest *req = &call->request.r.ExtendedRequest;*/
	struct ldapsrv_reply *reply;

	DEBUG(10, ("Extended\n"));

	reply = ldapsrv_init_reply(call, LDAP_TAG_ExtendedResponse);
	if (!reply) {
		return NT_STATUS_NO_MEMORY;
	}

	ZERO_STRUCT(reply->msg.r);

	return ldapsrv_queue_reply(call, reply);
}

NTSTATUS ldapsrv_do_call(struct ldapsrv_call *call)
{
	switch(call->request.type) {
	case LDAP_TAG_BindRequest:
		return ldapsrv_BindRequest(call);
	case LDAP_TAG_UnbindRequest:
		return ldapsrv_UnbindRequest(call);
	case LDAP_TAG_SearchRequest:
		return ldapsrv_SearchRequest(call);
	case LDAP_TAG_ModifyRequest:
		return ldapsrv_ModifyRequest(call);
	case LDAP_TAG_AddRequest:
		return ldapsrv_AddRequest(call);
	case LDAP_TAG_DelRequest:
		return ldapsrv_DelRequest(call);
	case LDAP_TAG_ModifyDNRequest:
		return ldapsrv_ModifyDNRequest(call);
	case LDAP_TAG_CompareRequest:
		return ldapsrv_CompareRequest(call);
	case LDAP_TAG_AbandonRequest:
		return ldapsrv_AbandonRequest(call);
	case LDAP_TAG_ExtendedRequest:
		return ldapsrv_ExtendedRequest(call);
	default:
		return ldapsrv_unwilling(call, 2);
	}
}