summaryrefslogtreecommitdiff
path: root/usr.sbin/ldapd/modify.c
blob: 90a944025c75ae34a5cde3195b39d303c9a62f1a (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
/*	$OpenBSD: modify.c,v 1.1 2010/05/31 17:36:31 martinh Exp $ */

/*
 * Copyright (c) 2009, 2010 Martin Hedenfalk <martin@bzero.se>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>
#include <sys/queue.h>

#include <assert.h>
#include <stdlib.h>
#include <string.h>

#include "ldapd.h"
#include "uuid.h"

int
ldap_delete(struct request *req)
{
	char			*dn;
	struct namespace	*ns;

	++stats.req_mod;

	if (ber_scanf_elements(req->op, "s", &dn) != 0)
		return ldap_respond(req, LDAP_PROTOCOL_ERROR);

	normalize_dn(dn);
	log_debug("deleting entry %s", dn);

	if ((ns = namespace_for_base(dn)) == NULL)
		return ldap_respond(req, LDAP_NAMING_VIOLATION);

	if (!authorized(req->conn, ns, ACI_WRITE, dn, LDAP_SCOPE_BASE))
		return ldap_respond(req, LDAP_INSUFFICIENT_ACCESS);

	if (namespace_should_queue(ns, req)) {
		if (namespace_queue_request(ns, req) != 0)
			return ldap_respond(req, LDAP_BUSY);
		return LDAP_BUSY;
	}

	switch (namespace_del(ns, dn)) {
	case BT_NOTFOUND:
		return ldap_respond(req, LDAP_NO_SUCH_OBJECT);
	case BT_SUCCESS:
		return ldap_respond(req, LDAP_SUCCESS);
	default:
		return ldap_respond(req, LDAP_OTHER);
	}
}

int
ldap_add(struct request *req)
{
	char			 uuid_str[64];
	struct uuid		 uuid;
	char			*dn;
	struct ber_element	*attrs, *set;
	struct namespace	*ns;
	int			 rc;

	++stats.req_mod;

	if (ber_scanf_elements(req->op, "{se", &dn, &attrs) != 0)
		return ldap_respond(req, LDAP_PROTOCOL_ERROR);

	normalize_dn(dn);
	log_debug("adding entry %s", dn);

	if (*dn == '\0')
		return ldap_respond(req, LDAP_INVALID_DN_SYNTAX);

	if ((ns = namespace_for_base(dn)) == NULL)
		return ldap_respond(req, LDAP_NAMING_VIOLATION);

	if (!authorized(req->conn, ns, ACI_WRITE, dn, LDAP_SCOPE_BASE) != 0)
		return ldap_respond(req, LDAP_INSUFFICIENT_ACCESS);

	if (namespace_should_queue(ns, req)) {
		if (namespace_queue_request(ns, req) != 0)
			return ldap_respond(req, LDAP_BUSY);
		return LDAP_BUSY;
	}

	/* add operational attributes
	 */
	set = ber_add_set(NULL);
	ber_add_string(set, req->conn->binddn ?: "");
	ldap_add_attribute(attrs, "creatorsName", set);

	set = ber_add_set(NULL);
	ber_add_string(set, ldap_now());
	ldap_add_attribute(attrs, "createTimestamp", set);

	uuid_create(&uuid);
	uuid_to_string(&uuid, uuid_str, sizeof(uuid_str));
	set = ber_add_set(NULL);
	ber_add_string(set, uuid_str);
	ldap_add_attribute(attrs, "entryUUID", set);

	if ((rc = validate_entry(dn, attrs, ns->relax)) != LDAP_SUCCESS)
		return ldap_respond(req, rc);

	switch (namespace_add(ns, dn, attrs)) {
	case BT_SUCCESS:
		return ldap_respond(req, LDAP_SUCCESS);
	case BT_EXISTS:
		return ldap_respond(req, LDAP_ALREADY_EXISTS);
	default:
		return ldap_respond(req, LDAP_OTHER);
	}
}

int
ldap_modify(struct request *req)
{
	int			 rc;
	char			*dn;
	long long		 op;
	const char		*attr;
	struct ber_element	*mods, *entry, *mod, *vals, *a, *set;
	struct namespace	*ns;
	struct attr_type	*at;

	++stats.req_mod;

	if (ber_scanf_elements(req->op, "{se", &dn, &mods) != 0)
		return ldap_respond(req, LDAP_PROTOCOL_ERROR);

	normalize_dn(dn);
	log_debug("modifying dn %s", dn);

	if (*dn == 0)
		return ldap_respond(req, LDAP_INVALID_DN_SYNTAX);

	if ((ns = namespace_for_base(dn)) == NULL)
		return ldap_respond(req, LDAP_NAMING_VIOLATION);

	if (!authorized(req->conn, ns, ACI_WRITE, dn, LDAP_SCOPE_BASE) != 0)
		return ldap_respond(req, LDAP_INSUFFICIENT_ACCESS);

	if (namespace_should_queue(ns, req)) {
		if (namespace_queue_request(ns, req) != 0)
			return ldap_respond(req, LDAP_BUSY);
		return LDAP_BUSY;
	}

	if ((entry = namespace_get(ns, dn)) == NULL)
		return ldap_respond(req, LDAP_NO_SUCH_OBJECT);

	for (mod = mods->be_sub; mod; mod = mod->be_next) {
		if (ber_scanf_elements(mod, "{E{se", &op, &attr, &vals) != 0)
			return ldap_respond(req, LDAP_PROTOCOL_ERROR);

		if ((at = lookup_attribute(attr)) == NULL && !ns->relax) {
			log_debug("unknown attribute type %s", attr);
			return ldap_respond(req, LDAP_NO_SUCH_ATTRIBUTE);
		}
		if (at != NULL && at->immutable) {
			log_debug("attempt to modify immutable attribute %s",
			    attr);
			return ldap_respond(req, LDAP_CONSTRAINT_VIOLATION);
		}
		if (at != NULL && at->usage != USAGE_USER_APP) {
			log_debug("attempt to modify operational attribute %s",
			    attr);
			return ldap_respond(req, LDAP_CONSTRAINT_VIOLATION);
		}

		a = ldap_get_attribute(entry, attr);

		switch (op) {
		case LDAP_MOD_ADD:
			if (a == NULL)
				ldap_add_attribute(entry, attr, vals);
			else
				ldap_merge_values(a, vals);
			break;
		case LDAP_MOD_DELETE:
			if (vals->be_sub &&
			    vals->be_sub->be_type == BER_TYPE_SET)
				ldap_del_values(a, vals);
			else
				ldap_del_attribute(entry, attr);
			break;
		case LDAP_MOD_REPLACE:
			if (vals->be_sub) {
				if (a == NULL)
					ldap_add_attribute(entry, attr, vals);
				else
					ldap_set_values(a, vals);
			} else if (a == NULL)
				ldap_del_attribute(entry, attr);
			break;
		}
	}

	if ((rc = validate_entry(dn, entry, ns->relax)) != LDAP_SUCCESS)
		return ldap_respond(req, rc);

	set = ber_add_set(NULL);
	ber_add_string(set, req->conn->binddn ?: "");
	if ((a = ldap_get_attribute(entry, "modifiersName")) != NULL)
		ldap_set_values(a, set);
	else
		ldap_add_attribute(entry, "modifiersName", set);

	set = ber_add_set(NULL);
	ber_add_string(set, ldap_now());
	if ((a = ldap_get_attribute(entry, "modifyTimestamp")) != NULL)
		ldap_set_values(a, set);
	else
		ldap_add_attribute(entry, "modifyTimestamp", set);

	switch (namespace_update(ns, dn, entry)) {
	case BT_SUCCESS:
		return ldap_respond(req, LDAP_SUCCESS);
	case BT_EXISTS:
		return ldap_respond(req, LDAP_ALREADY_EXISTS);
	default:
		return ldap_respond(req, LDAP_OTHER);
	}
}