1 /* modify.c - ldbm backend modify routine */
11 #include "back-ldbm.h"
12 #include "proto-back-ldbm.h"
14 static int add_values(Entry *e, LDAPMod *mod, char *dn);
15 static int delete_values(Entry *e, LDAPMod *mod, char *dn);
16 static int replace_values(Entry *e, LDAPMod *mod, char *dn);
27 struct ldbminfo *li = (struct ldbminfo *) be->be_private;
33 Debug(LDAP_DEBUG_ARGS, "ldbm_back_modify:\n", 0, 0, 0);
35 /* acquire and lock entry */
36 if ( (e = dn2entry_w( be, dn, &matched )) == NULL ) {
37 send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT, matched,
39 if ( matched != NULL ) {
45 if ( (err = acl_check_modlist( be, conn, op, e, modlist )) != LDAP_SUCCESS ) {
46 send_ldap_result( conn, op, err, NULL, NULL );
50 for ( ml = modlist; ml != NULL; ml = ml->ml_next ) {
51 LDAPMod *mod = &ml->ml_mod;
53 switch ( mod->mod_op & ~LDAP_MOD_BVALUES ) {
55 err = add_values( e, mod, op->o_ndn );
59 err = delete_values( e, mod, op->o_ndn );
62 case LDAP_MOD_REPLACE:
63 err = replace_values( e, mod, op->o_ndn );
67 if ( err != LDAP_SUCCESS ) {
68 /* unlock entry, delete from cache */
69 send_ldap_result( conn, op, err, NULL, NULL );
74 /* check that the entry still obeys the schema */
75 if ( global_schemacheck && oc_schema_check( e ) != 0 ) {
76 Debug( LDAP_DEBUG_ANY, "entry failed schema check\n", 0, 0, 0 );
77 send_ldap_result( conn, op, LDAP_OBJECT_CLASS_VIOLATION, NULL, NULL );
81 /* check for abandon */
82 ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
83 if ( op->o_abandon ) {
84 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
87 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
90 if ( index_add_mods( be, modlist, e->e_id ) != 0 ) {
91 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, NULL, NULL );
95 /* check for abandon */
96 ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
97 if ( op->o_abandon ) {
98 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
101 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
103 /* change the entry itself */
104 if ( id2entry_add( be, e ) != 0 ) {
105 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, NULL, NULL );
109 send_ldap_result( conn, op, LDAP_SUCCESS, NULL, NULL );
110 cache_return_entry_w( &li->li_cache, e );
114 cache_return_entry_w( &li->li_cache, e );
128 /* check if the values we're adding already exist */
129 if ( (a = attr_find( e->e_attrs, mod->mod_type )) != NULL ) {
130 for ( i = 0; mod->mod_bvalues[i] != NULL; i++ ) {
131 if ( value_find( a->a_vals, mod->mod_bvalues[i],
132 a->a_syntax, 3 ) == 0 ) {
133 return( LDAP_TYPE_OR_VALUE_EXISTS );
139 if( attr_merge( e, mod->mod_type, mod->mod_bvalues ) != 0 ) {
140 return( LDAP_CONSTRAINT_VIOLATION );
143 return( LDAP_SUCCESS );
156 /* delete the entire attribute */
157 if ( mod->mod_bvalues == NULL ) {
158 Debug( LDAP_DEBUG_ARGS, "removing entire attribute %s\n",
159 mod->mod_type, 0, 0 );
160 return( attr_delete( &e->e_attrs, mod->mod_type ) ?
161 LDAP_NO_SUCH_ATTRIBUTE : LDAP_SUCCESS );
164 /* delete specific values - find the attribute first */
165 if ( (a = attr_find( e->e_attrs, mod->mod_type )) == NULL ) {
166 Debug( LDAP_DEBUG_ARGS, "could not find attribute %s\n",
167 mod->mod_type, 0, 0 );
168 return( LDAP_NO_SUCH_ATTRIBUTE );
171 /* find each value to delete */
172 for ( i = 0; mod->mod_bvalues[i] != NULL; i++ ) {
174 for ( j = 0; a->a_vals[j] != NULL; j++ ) {
175 if ( value_cmp( mod->mod_bvalues[i], a->a_vals[j],
176 a->a_syntax, 3 ) != 0 ) {
181 /* found a matching value - delete it */
182 ber_bvfree( a->a_vals[j] );
183 for ( k = j + 1; a->a_vals[k] != NULL; k++ ) {
184 a->a_vals[k - 1] = a->a_vals[k];
186 a->a_vals[k - 1] = NULL;
190 /* looked through them all w/o finding it */
192 Debug( LDAP_DEBUG_ARGS,
193 "could not find value for attr %s\n",
194 mod->mod_type, 0, 0 );
195 return( LDAP_NO_SUCH_ATTRIBUTE );
199 return( LDAP_SUCCESS );
209 (void) attr_delete( &e->e_attrs, mod->mod_type );
211 if ( attr_merge( e, mod->mod_type, mod->mod_bvalues ) != 0 ) {
212 return( LDAP_CONSTRAINT_VIOLATION );
215 return( LDAP_SUCCESS );