1 /* add.c - ldap ldbm back-end add routine */
11 #include "back-ldbm.h"
12 #include "proto-back-ldbm.h"
22 struct ldbminfo *li = (struct ldbminfo *) be->be_private;
28 Debug(LDAP_DEBUG_ARGS, "==> ldbm_back_add: %s\n", e->e_dn, 0, 0);
30 /* nobody else can add until we lock our parent */
31 pthread_mutex_lock(&li->li_add_mutex);
33 if ( ( dn2id( be, e->e_ndn ) ) != NOID ) {
34 pthread_mutex_unlock(&li->li_add_mutex);
36 send_ldap_result( conn, op, LDAP_ALREADY_EXISTS, "", "" );
40 if ( global_schemacheck && oc_schema_check( e ) != 0 ) {
41 pthread_mutex_unlock(&li->li_add_mutex);
43 Debug( LDAP_DEBUG_TRACE, "entry failed schema check\n",
47 send_ldap_result( conn, op, LDAP_OBJECT_CLASS_VIOLATION, "",
53 * Get the parent dn and see if the corresponding entry exists.
54 * If the parent does not exist, only allow the "root" user to
58 if ( (pdn = dn_parent( be, e->e_ndn )) != NULL ) {
61 /* get parent with writer lock */
62 if ( (p = dn2entry_w( be, pdn, &matched )) == NULL ) {
63 pthread_mutex_unlock(&li->li_add_mutex);
64 Debug( LDAP_DEBUG_TRACE, "parent does not exist\n", 0,
66 send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT,
69 if ( matched != NULL ) {
78 /* don't need the add lock anymore */
79 pthread_mutex_unlock(&li->li_add_mutex);
83 if ( matched != NULL ) {
87 if ( ! access_allowed( be, conn, op, p,
88 "children", NULL, ACL_WRITE ) )
90 Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
92 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
95 /* free parent and writer lock */
96 cache_return_entry_w( &li->li_cache, p );
103 /* no parent, must be adding entry to root */
104 if ( ! be_isroot( be, op->o_ndn ) ) {
105 pthread_mutex_unlock(&li->li_add_mutex);
106 Debug( LDAP_DEBUG_TRACE, "no parent & not root\n", 0,
108 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
116 * no parent, acquire the root write lock
117 * and release the add lock.
119 pthread_mutex_lock(&li->li_root_mutex);
121 pthread_mutex_unlock(&li->li_add_mutex);
124 /* acquire required reader/writer lock */
125 if (entry_rdwr_lock(e, 1)) {
127 /* free parent and writer lock */
128 cache_return_entry_w( &li->li_cache, p );
132 /* release root lock */
133 pthread_mutex_unlock(&li->li_root_mutex);
136 Debug( LDAP_DEBUG_ANY, "add: could not lock entry\n",
141 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
145 e->e_id = next_id( be );
148 * Try to add the entry to the cache, assign it a new dnid.
149 * This should only fail if the entry already exists.
152 if ( cache_add_entry_lock( &li->li_cache, e, ENTRY_STATE_CREATING ) != 0 ) {
154 /* free parent and writer lock */
155 cache_return_entry_w( &li->li_cache, p );
158 /* release root lock */
159 pthread_mutex_unlock(&li->li_root_mutex);
162 Debug( LDAP_DEBUG_ANY, "cache_add_entry_lock failed\n", 0, 0,
164 next_id_return( be, e->e_id );
166 entry_rdwr_unlock(e, 1);;
169 send_ldap_result( conn, op, LDAP_ALREADY_EXISTS, "", "" );
174 * add it to the id2children index for the parent
177 if ( id2children_add( be, p, e ) != 0 ) {
178 Debug( LDAP_DEBUG_TRACE, "id2children_add failed\n", 0,
180 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
186 * Add the entry to the attribute indexes, then add it to
187 * the id2children index, dn2id index, and the id2entry index.
190 /* attribute indexes */
191 if ( index_add_entry( be, e ) != 0 ) {
192 Debug( LDAP_DEBUG_TRACE, "index_add_entry failed\n", 0,
194 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
200 if ( dn2id_add( be, e->e_ndn, e->e_id ) != 0 ) {
201 Debug( LDAP_DEBUG_TRACE, "dn2id_add failed\n", 0,
203 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
209 if ( id2entry_add( be, e ) != 0 ) {
210 Debug( LDAP_DEBUG_TRACE, "id2entry_add failed\n", 0,
212 (void) dn2id_delete( be, e->e_ndn );
213 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
218 send_ldap_result( conn, op, LDAP_SUCCESS, "", "" );
223 /* free parent and writer lock */
224 cache_return_entry_w( &li->li_cache, p );
228 /* release root lock */
229 pthread_mutex_unlock(&li->li_root_mutex);
232 cache_set_state( &li->li_cache, e, 0 );
234 /* free entry and writer lock */
235 cache_return_entry_w( &li->li_cache, e );