1 /* modify.c - ldbm backend modify routine */
12 #include "back-ldbm.h"
13 #include "proto-back-ldbm.h"
15 static void add_lastmods(Operation *op, LDAPModList **ml);
19 add_lastmods( Operation *op, LDAPModList **modlist )
23 struct berval *bvals[2];
29 Debug( LDAP_DEBUG_TRACE, "add_lastmods\n", 0, 0, 0 );
34 /* remove any attempts by the user to modify these attrs */
35 for ( m = modlist; *m != NULL; m = &(*m)->ml_next ) {
36 if ( strcasecmp( (*m)->ml_type, "modifytimestamp" ) == 0 ||
37 strcasecmp( (*m)->ml_type, "modifiersname" ) == 0 ||
38 strcasecmp( (*m)->ml_type, "createtimestamp" ) == 0 ||
39 strcasecmp( (*m)->ml_type, "creatorsname" ) == 0 ) {
41 Debug( LDAP_DEBUG_TRACE,
42 "add_lastmods: found lastmod attr: %s\n",
43 (*m)->ml_type, 0, 0 );
47 if ( tmp->ml_bvalues != NULL ) {
48 ber_bvecfree( tmp->ml_bvalues );
56 if ( op->o_dn == NULL || op->o_dn[0] == '\0' ) {
58 bv.bv_len = strlen( bv.bv_val );
61 bv.bv_len = strlen( bv.bv_val );
63 tmp = (LDAPModList *) ch_calloc( 1, sizeof(LDAPModList) );
64 tmp->ml_type = ch_strdup( "modifiersname" );
65 tmp->ml_op = LDAP_MOD_REPLACE;
66 tmp->ml_bvalues = (struct berval **) ch_calloc(2, sizeof(struct berval *));
67 tmp->ml_bvalues[0] = ber_bvdup( &bv );
68 tmp->ml_next = *modlist;
71 currenttime = slap_get_time();
72 ldap_pvt_thread_mutex_lock( &gmtime_mutex );
73 #ifndef LDAP_LOCALTIME
74 ltm = gmtime( ¤ttime );
75 strftime( buf, sizeof(buf), "%Y%m%d%H%M%SZ", ltm );
77 ltm = localtime( ¤ttime );
78 strftime( buf, sizeof(buf), "%y%m%d%H%M%SZ", ltm );
80 ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
83 bv.bv_len = strlen( bv.bv_val );
84 tmp = (LDAPModList *) ch_calloc( 1, sizeof(LDAPModList) );
85 tmp->ml_type = ch_strdup( "modifytimestamp" );
86 tmp->ml_op = LDAP_MOD_REPLACE;
87 tmp->ml_bvalues = (struct berval **) ch_calloc(2, sizeof(struct berval *));
88 tmp->ml_bvalues[0] = ber_bvdup( &bv );
89 tmp->ml_next = *modlist;
94 /* We need this function because of LDAP modrdn. If we do not
95 * add this there would be a bunch of code replication here
96 * and there and of course the likelihood of bugs increases.
97 * Juan C. Gomez (gomez@engr.sgi.com) 05/18/99
100 int ldbm_modify_internal(
105 LDAPModList *modlist,
114 if ( ((be->be_lastmod == ON)
115 || ((be->be_lastmod == UNDEFINED)&&(global_lastmod == ON)))
116 && (be->be_update_ndn == NULL)) {
118 /* XXX: It may be wrong, it changes mod time even if
121 add_lastmods( op, &modlist );
126 if ( (err = acl_check_modlist( be, conn, op, e, modlist ))
128 send_ldap_result( conn, op, err, NULL, NULL );
132 for ( ml = modlist; ml != NULL; ml = ml->ml_next ) {
136 switch ( mod->mod_op & ~LDAP_MOD_BVALUES ) {
138 err = add_values( e, mod, op->o_ndn );
141 case LDAP_MOD_DELETE:
142 err = delete_values( e, mod, op->o_ndn );
145 case LDAP_MOD_REPLACE:
146 /* Need to remove all values from indexes before they
150 && ((a = attr_find( e->e_attrs, mod->mod_type ))
153 (void) index_change_values( be,
160 err = replace_values( e, mod, op->o_ndn );
163 case LDAP_MOD_SOFTADD:
164 /* Avoid problems in index_add_mods()
165 * We need to add index if necessary.
167 mod->mod_op = LDAP_MOD_ADD;
168 if ( (err = add_values( e, mod, op->o_ndn ))
169 == LDAP_TYPE_OR_VALUE_EXISTS ) {
172 mod->mod_op = LDAP_MOD_SOFTADD;
178 if ( err != LDAP_SUCCESS ) {
179 /* unlock entry, delete from cache */
180 send_ldap_result( conn, op, err, NULL, NULL );
185 /* check that the entry still obeys the schema */
186 if ( global_schemacheck && oc_schema_check( e ) != 0 ) {
187 Debug( LDAP_DEBUG_ANY, "entry failed schema check\n", 0, 0, 0 );
188 send_ldap_result( conn, op, LDAP_OBJECT_CLASS_VIOLATION, NULL, NULL );
192 /* check for abandon */
193 ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
194 if ( op->o_abandon ) {
195 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
198 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
201 if ( index_add_mods( be, modlist, e->e_id ) != 0 ) {
202 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, NULL, NULL );
206 /* check for abandon */
207 ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
208 if ( op->o_abandon ) {
209 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
212 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
216 }/* int ldbm_modify_internal() */
228 struct ldbminfo *li = (struct ldbminfo *) be->be_private;
232 Debug(LDAP_DEBUG_ARGS, "ldbm_back_modify:\n", 0, 0, 0);
234 /* acquire and lock entry */
235 if ( (e = dn2entry_w( be, dn, &matched )) == NULL ) {
236 send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT, matched,
238 if ( matched != NULL ) {
244 /* Modify the entry */
245 if ( ldbm_modify_internal( be, conn, op, dn, modlist, e ) != 0 ) {
251 /* change the entry itself */
252 if ( id2entry_add( be, e ) != 0 ) {
253 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, NULL, NULL );
257 send_ldap_result( conn, op, LDAP_SUCCESS, NULL, NULL );
258 cache_return_entry_w( &li->li_cache, e );
262 cache_return_entry_w( &li->li_cache, e );
276 /* check if the values we're adding already exist */
277 if ( (a = attr_find( e->e_attrs, mod->mod_type )) != NULL ) {
278 for ( i = 0; mod->mod_bvalues[i] != NULL; i++ ) {
279 if ( value_find( a->a_vals, mod->mod_bvalues[i],
280 a->a_syntax, 3 ) == 0 ) {
281 return( LDAP_TYPE_OR_VALUE_EXISTS );
287 if( attr_merge( e, mod->mod_type, mod->mod_bvalues ) != 0 ) {
288 return( LDAP_CONSTRAINT_VIOLATION );
291 return( LDAP_SUCCESS );
304 /* delete the entire attribute */
305 if ( mod->mod_bvalues == NULL ) {
306 Debug( LDAP_DEBUG_ARGS, "removing entire attribute %s\n",
307 mod->mod_type, 0, 0 );
308 return( attr_delete( &e->e_attrs, mod->mod_type ) ?
309 LDAP_NO_SUCH_ATTRIBUTE : LDAP_SUCCESS );
312 /* delete specific values - find the attribute first */
313 if ( (a = attr_find( e->e_attrs, mod->mod_type )) == NULL ) {
314 Debug( LDAP_DEBUG_ARGS, "could not find attribute %s\n",
315 mod->mod_type, 0, 0 );
316 return( LDAP_NO_SUCH_ATTRIBUTE );
319 /* find each value to delete */
320 for ( i = 0; mod->mod_bvalues[i] != NULL; i++ ) {
322 for ( j = 0; a->a_vals[j] != NULL; j++ ) {
323 if ( value_cmp( mod->mod_bvalues[i], a->a_vals[j],
324 a->a_syntax, 3 ) != 0 ) {
329 /* found a matching value - delete it */
330 ber_bvfree( a->a_vals[j] );
331 for ( k = j + 1; a->a_vals[k] != NULL; k++ ) {
332 a->a_vals[k - 1] = a->a_vals[k];
334 a->a_vals[k - 1] = NULL;
338 /* looked through them all w/o finding it */
340 Debug( LDAP_DEBUG_ARGS,
341 "could not find value for attr %s\n",
342 mod->mod_type, 0, 0 );
343 return( LDAP_NO_SUCH_ATTRIBUTE );
347 return( LDAP_SUCCESS );
358 /* XXX: BEFORE YOU GET RID OF PREVIOUS VALUES REMOVE FROM INDEX
362 (void) attr_delete( &e->e_attrs, mod->mod_type );
364 if ( attr_merge( e, mod->mod_type, mod->mod_bvalues ) != 0 ) {
365 return( LDAP_CONSTRAINT_VIOLATION );
368 return( LDAP_SUCCESS );