1 /* attribute.c - bdb backend acl attribute routine */
4 * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
12 #include <ac/socket.h>
13 #include <ac/string.h>
17 #include "proto-bdb.h"
19 /* return LDAP_SUCCESS IFF we can retrieve the attributes
28 struct berval *entry_ndn,
29 AttributeDescription *entry_at,
32 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
33 struct bdb_op_info *boi = NULL;
39 const char *entry_at_name = entry_at->ad_cname.bv_val;
40 AccessControlState acl_state = ACL_STATE_INIT;
46 LDAP_LOG( BACK_BDB, ARGS,
47 "bdb_attribute: gr dn: \"%s\"\n", entry_ndn->bv_val, 0, 0 );
48 LDAP_LOG( BACK_BDB, ARGS,
49 "bdb_attribute: at: \"%s\"\n", entry_at_name, 0, 0);
50 LDAP_LOG( BACK_BDB, ARGS, "bdb_attribute: tr dn: \"%s\"\n",
51 target ? target->e_ndn : "", 0, 0 );
53 Debug( LDAP_DEBUG_ARGS,
54 "=> bdb_attribute: gr dn: \"%s\"\n",
55 entry_ndn->bv_val, 0, 0 );
56 Debug( LDAP_DEBUG_ARGS,
57 "=> bdb_attribute: at: \"%s\"\n",
58 entry_at_name, 0, 0 );
60 Debug( LDAP_DEBUG_ARGS,
61 "=> bdb_attribute: tr dn: \"%s\"\n",
62 target ? target->e_ndn : "", 0, 0 );
65 if( op ) boi = (struct bdb_op_info *) op->o_private;
66 if( boi != NULL && be == boi->boi_bdb ) {
71 locker = TXN_ID ( txn );
73 LOCK_ID ( bdb->bi_dbenv, &locker );
75 if (target != NULL && dn_match(&target->e_nname, entry_ndn)) {
76 /* we already have a LOCKED copy of the entry */
79 LDAP_LOG( BACK_BDB, DETAIL1,
80 "bdb_attribute: target is LOCKED (%s)\n", entry_ndn->bv_val, 0, 0 );
82 Debug( LDAP_DEBUG_ARGS,
83 "=> bdb_attribute: target is entry: \"%s\"\n",
84 entry_ndn->bv_val, 0, 0 );
90 /* can we find entry */
91 rc = bdb_dn2entry_r( be, NULL, entry_ndn, &e, NULL, 0, locker, &lock );
96 case DB_LOCK_DEADLOCK:
97 case DB_LOCK_NOTGRANTED:
104 LOCK_ID_FREE( bdb->bi_dbenv, locker );
106 return (rc != LDAP_BUSY) ? LDAP_OTHER : LDAP_BUSY;
110 LDAP_LOG( BACK_BDB, INFO,
111 "bdb_attribute: cannot find entry (%s)\n",
112 entry_ndn->bv_val, 0, 0 );
114 Debug( LDAP_DEBUG_ACL,
115 "=> bdb_attribute: cannot find entry: \"%s\"\n",
116 entry_ndn->bv_val, 0, 0 );
119 LOCK_ID_FREE( bdb->bi_dbenv, locker );
121 return LDAP_NO_SUCH_OBJECT;
125 LDAP_LOG( BACK_BDB, DETAIL1, "bdb_attribute: found entry (%s)\n",
126 entry_ndn->bv_val, 0, 0 );
128 Debug( LDAP_DEBUG_ACL,
129 "=> bdb_attribute: found entry: \"%s\"\n",
130 entry_ndn->bv_val, 0, 0 );
135 /* find attribute values */
136 if( is_entry_alias( e ) ) {
138 LDAP_LOG( BACK_BDB, INFO,
139 "bdb_attribute: entry (%s) is an alias\n", e->e_dn, 0, 0 );
141 Debug( LDAP_DEBUG_ACL,
142 "<= bdb_attribute: entry is an alias\n", 0, 0, 0 );
144 rc = LDAP_ALIAS_PROBLEM;
149 if( is_entry_referral( e ) ) {
151 LDAP_LOG( BACK_BDB, INFO,
152 "bdb_attribute: entry (%s) is a referral.\n", e->e_dn, 0, 0);
154 Debug( LDAP_DEBUG_ACL,
155 "<= bdb_attribute: entry is a referral\n", 0, 0, 0 );
161 if (conn != NULL && op != NULL
162 && access_allowed( be, conn, op, e, slap_schema.si_ad_entry,
163 NULL, ACL_READ, &acl_state ) == 0 )
165 rc = LDAP_INSUFFICIENT_ACCESS;
169 if ((attr = attr_find(e->e_attrs, entry_at)) == NULL) {
171 LDAP_LOG( BACK_BDB, INFO,
172 "bdb_attribute: failed to find %s.\n", entry_at_name, 0, 0 );
174 Debug( LDAP_DEBUG_ACL,
175 "<= bdb_attribute: failed to find %s\n",
176 entry_at_name, 0, 0 );
178 rc = LDAP_NO_SUCH_ATTRIBUTE;
182 if (conn != NULL && op != NULL
183 && access_allowed( be, conn, op, e, entry_at, NULL, ACL_READ,
186 rc = LDAP_INSUFFICIENT_ACCESS;
190 for ( i = 0; attr->a_vals[i].bv_val != NULL; i++ ) {
194 v = (BerVarray) ch_malloc( sizeof(struct berval) * (i+1) );
196 for ( i=0, j=0; attr->a_vals[i].bv_val != NULL; i++ ) {
199 && access_allowed(be, conn, op, e, entry_at,
200 &attr->a_vals[i], ACL_READ, &acl_state ) == 0)
204 ber_dupbv( &v[j], &attr->a_vals[i] );
206 if( v[j].bv_val != NULL ) j++;
212 rc = LDAP_INSUFFICIENT_ACCESS;
223 bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, e, &lock);
227 LOCK_ID_FREE( bdb->bi_dbenv, locker );
231 LDAP_LOG( BACK_BDB, ENTRY, "bdb_attribute: rc=%d nvals=%d.\n", rc, j, 0 );
233 Debug( LDAP_DEBUG_TRACE,
234 "bdb_attribute: rc=%d nvals=%d\n",