/* modify.c - ldbm backend modify routine */
/* $OpenLDAP$ */
/*
- * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "back-ldbm.h"
#include "proto-back-ldbm.h"
-static int add_values LDAP_P(( Entry *e, Modification *mod, char *dn ));
-static int delete_values LDAP_P(( Entry *e, Modification *mod, char *dn ));
-static int replace_values LDAP_P(( Entry *e, Modification *mod, char *dn ));
-
/* We need this function because of LDAP modrdn. If we do not
* add this there would be a bunch of code replication here
* and there and of course the likelihood of bugs increases.
* Juan C. Gomez (gomez@engr.sgi.com) 05/18/99
*/
-
int ldbm_modify_internal(
Backend *be,
Connection *conn,
Operation *op,
- char *dn,
+ const char *dn,
Modifications *modlist,
- Entry *e
+ Entry *e,
+ const char **text,
+ char *textbuf,
+ size_t textlen
)
{
- int rc, err;
- char *text;
+ int rc = LDAP_SUCCESS;
Modification *mod;
Modifications *ml;
Attribute *save_attrs;
+ Attribute *ap;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
+ "ldbm_modify_internal: %s\n", dn ));
+#else
+ Debug(LDAP_DEBUG_TRACE, "ldbm_modify_internal: %s\n", dn, 0, 0);
+#endif
+
if ( !acl_check_modlist( be, conn, op, e, modlist )) {
return LDAP_INSUFFICIENT_ACCESS;
switch ( mod->sm_op ) {
case LDAP_MOD_ADD:
- err = add_values( e, mod, op->o_ndn );
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
+ "ldbm_modify_internal: add\n" ));
+#else
+ Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: add\n", 0, 0, 0);
+#endif
+
+ rc = modify_add_values( e, mod, text, textbuf, textlen );
+ if( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
+ "ldbm_modify_internal: failed %d (%s)\n",
+ rc, *text ));
+#else
+ Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: %d %s\n",
+ rc, *text, 0);
+#endif
+ }
break;
case LDAP_MOD_DELETE:
- err = delete_values( e, mod, op->o_ndn );
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
+ "ldbm_modify_internal: delete\n" ));
+#else
+ Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: delete\n", 0, 0, 0);
+#endif
+
+ rc = modify_delete_values( e, mod, text, textbuf, textlen );
+ assert( rc != LDAP_TYPE_OR_VALUE_EXISTS );
+ if( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
+ "ldbm_modify_internal: failed %d (%s)\n", rc, *text ));
+#else
+ Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: %d %s\n",
+ rc, *text, 0);
+#endif
+ }
break;
case LDAP_MOD_REPLACE:
- err = replace_values( e, mod, op->o_ndn );
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
+ "ldbm_modify_internal: replace\n" ));
+#else
+ Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: replace\n", 0, 0, 0);
+#endif
+
+ rc = modify_replace_values( e, mod, text, textbuf, textlen );
+ if( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
+ "ldbm_modify_internal: failed %d (%s)\n", rc, *text ));
+#else
+ Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: %d %s\n",
+ rc, *text, 0);
+#endif
+ }
break;
case SLAP_MOD_SOFTADD:
- /* Avoid problems in index_add_mods()
- * We need to add index if necessary.
- */
- mod->sm_op = LDAP_MOD_ADD;
- err = add_values( e, mod, op->o_ndn );
-
- if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) {
- err = LDAP_SUCCESS;
- }
- break;
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
+ "ldbm_modify_internal: softadd\n" ));
+#else
+ Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: softadd\n", 0, 0, 0);
+#endif
+
+ /* Avoid problems in index_add_mods()
+ * We need to add index if necessary.
+ */
+ mod->sm_op = LDAP_MOD_ADD;
+
+ rc = modify_add_values( e, mod, text, textbuf, textlen );
+ if ( rc == LDAP_TYPE_OR_VALUE_EXISTS ) {
+ rc = LDAP_SUCCESS;
+ }
+
+ if( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
+ "ldbm_modify_internal: failed %d (%s)\n", rc, *text ));
+#else
+ Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: %d %s\n",
+ rc, *text, 0);
+#endif
+ }
+ break;
+
+ default:
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
+ "ldbm_modify_internal: invalid op %d\n", mod->sm_op ));
+#else
+ Debug(LDAP_DEBUG_ANY, "ldbm_modify_internal: invalid op %d\n",
+ mod->sm_op, 0, 0);
+#endif
+
+ rc = LDAP_OTHER;
+ *text = "Invalid modify operation";
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
+ "ldbm_modify_internal: %d (%s)\n", rc, *text ));
+#else
+ Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: %d %s\n",
+ rc, *text, 0);
+#endif
}
- if ( err != LDAP_SUCCESS ) {
- attrs_free( e->e_attrs );
- e->e_attrs = save_attrs;
- /* unlock entry, delete from cache */
- return err;
+ if ( rc != LDAP_SUCCESS ) {
+ goto exit;
}
- }
- /* check for abandon */
- ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
- if ( op->o_abandon ) {
- attrs_free( e->e_attrs );
- e->e_attrs = save_attrs;
- ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
- return SLAPD_ABANDON;
+ /* If objectClass was modified, reset the flags */
+ if ( mod->sm_desc == slap_schema.si_ad_objectClass ) {
+ e->e_ocflags = 0;
+ }
+
+ /* check if modified attribute was indexed */
+ rc = index_is_indexed( be, mod->sm_desc );
+ if ( rc == LDAP_SUCCESS ) {
+ ap = attr_find( save_attrs, mod->sm_desc );
+ if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL;
+
+ ap = attr_find( e->e_attrs, mod->sm_desc );
+ if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD;
+ }
}
- ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
/* check that the entry still obeys the schema */
- rc = entry_schema_check( e, save_attrs, &text );
+ rc = entry_schema_check( be, e, save_attrs, text, textbuf, textlen );
if ( rc != LDAP_SUCCESS ) {
- attrs_free( e->e_attrs );
- e->e_attrs = save_attrs;
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
+ "ldbm_modify_internal: entry failed schema check: %s\n",
+ *text ));
+#else
Debug( LDAP_DEBUG_ANY, "entry failed schema check: %s\n",
- text, 0, 0 );
- return rc;
+ *text, 0, 0 );
+#endif
+
+ goto exit;
}
/* check for abandon */
- ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
if ( op->o_abandon ) {
- attrs_free( e->e_attrs );
- e->e_attrs = save_attrs;
- ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
- return SLAPD_ABANDON;
+ rc = SLAPD_ABANDON;
+ goto exit;
}
- ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
-
- /* run through the attributes removing old indices */
- for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
- mod = &ml->sml_mod;
-
- switch ( mod->sm_op ) {
- case LDAP_MOD_REPLACE: {
- /* Need to remove all values from indexes */
- Attribute *a = save_attrs
- ? attr_find( save_attrs, mod->sm_desc )
- : NULL;
-
-#ifdef SLAPD_SCHEMA_NOT_COMPAT
- /* not yet implemented */
-#else
- if( a != NULL ) {
- (void) index_change_values( be,
- mod->mod_type,
- a->a_vals,
- e->e_id,
- SLAP_INDEX_DELETE_OP );
- }
-#endif
- } break;
- case LDAP_MOD_DELETE:
-#ifdef SLAPD_SCHEMA_NOT_COMPAT
- /* not yet implemented */
+ /* update the indices of the modified attributes */
+
+ /* start with deleting the old index entries */
+ for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
+ if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
+ rc = index_values( be, ap->a_desc, ap->a_vals, e->e_id,
+ SLAP_INDEX_DELETE_OP );
+ if ( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
+ "ldbm_modify_internal: Attribute index delete failure\n" ));
#else
- /* remove deleted values */
- (void) index_change_values( be,
- mod->mod_type,
- mod->mod_bvalues,
- e->e_id,
- SLAP_INDEX_DELETE_OP );
+ Debug( LDAP_DEBUG_ANY,
+ "Attribute index delete failure",
+ 0, 0, 0 );
#endif
- break;
+ goto exit;
+ }
+ ap->a_flags &= ~SLAP_ATTR_IXDEL;
}
}
- attrs_free( save_attrs );
-
- /* run through the attributes adding new indices */
- for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
- mod = &ml->sml_mod;
-
- switch ( mod->sm_op ) {
- case LDAP_MOD_REPLACE:
- case LDAP_MOD_ADD:
-#ifdef SLAPD_SCHEMA_NOT_COMPAT
- /* not yet implemented */
+ /* add the new index entries */
+ for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) {
+ if ( ap->a_flags & SLAP_ATTR_IXADD ) {
+ rc = index_values( be, ap->a_desc, ap->a_vals, e->e_id,
+ SLAP_INDEX_ADD_OP );
+ if ( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
+ "ldbm_modify_internal: Attribute index add failure\n" ));
#else
- (void) index_change_values( be,
- mod->mod_type,
- mod->mod_bvalues,
- e->e_id,
- SLAP_INDEX_ADD_OP );
+ Debug( LDAP_DEBUG_ANY,
+ "Attribute index add failure",
+ 0, 0, 0 );
#endif
- break;
-
- case LDAP_MOD_DELETE: {
- /* Need to add all remaining values */
- Attribute *a = e->e_attrs
- ? attr_find( e->e_attrs, mod->sm_desc )
- : NULL;
-
-#ifdef SLAPD_SCHEMA_NOT_COMPAT
- /* not yet implemented */
-#else
- if( a != NULL ) {
- (void) index_change_values( be,
- mod->mod_type,
- a->a_vals,
- e->e_id,
- SLAP_INDEX_ADD_OP );
+ goto exit;
}
-#endif
- } break;
+ ap->a_flags &= ~SLAP_ATTR_IXADD;
}
}
- return LDAP_SUCCESS;
-}
+exit:
+ if ( rc == LDAP_SUCCESS ) {
+ attrs_free( save_attrs );
+ } else {
+ for ( ap = save_attrs; ap; ap = ap->a_next ) {
+ ap->a_flags = 0;
+ }
+ attrs_free( e->e_attrs );
+ e->e_attrs = save_attrs;
+ }
+ return rc;
+}
int
ldbm_back_modify(
Backend *be,
Connection *conn,
Operation *op,
- char *dn,
- char *ndn,
+ struct berval *dn,
+ struct berval *ndn,
Modifications *modlist
)
{
Entry *matched;
Entry *e;
int manageDSAit = get_manageDSAit( op );
+ const char *text = NULL;
+ char textbuf[SLAP_TEXT_BUFLEN];
+ size_t textlen = sizeof textbuf;
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
+ "ldbm_back_modify: enter\n" ));
+#else
Debug(LDAP_DEBUG_ARGS, "ldbm_back_modify:\n", 0, 0, 0);
+#endif
+
+ /* grab giant lock for writing */
+ ldap_pvt_thread_rdwr_wlock(&li->li_giant_rwlock);
/* acquire and lock entry */
if ( (e = dn2entry_w( be, ndn, &matched )) == NULL ) {
char* matched_dn = NULL;
- struct berval **refs = NULL;
+ BerVarray refs;
if ( matched != NULL ) {
matched_dn = ch_strdup( matched->e_dn );
: NULL;
cache_return_entry_r( &li->li_cache, matched );
} else {
- refs = default_referral;
+ refs = referral_rewrite( default_referral,
+ NULL, dn, LDAP_SCOPE_DEFAULT );
}
+ ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
send_ldap_result( conn, op, LDAP_REFERRAL,
matched_dn, NULL, refs, NULL );
- if ( matched != NULL ) {
- ber_bvecfree( refs );
- free( matched_dn );
- }
+ if ( refs ) ber_bvarray_free( refs );
+ free( matched_dn );
return( -1 );
}
if ( !manageDSAit && is_entry_referral( e ) ) {
/* parent is a referral, don't allow add */
/* parent is an alias, don't allow add */
- struct berval **refs = get_entry_referrals( be,
+ BerVarray refs = get_entry_referrals( be,
conn, op, e );
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
+ "ldbm_back_modify: entry (%s) is referral\n", ndn->bv_val ));
+#else
Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
0, 0 );
+#endif
+
send_ldap_result( conn, op, LDAP_REFERRAL,
e->e_dn, NULL, refs, NULL );
- ber_bvecfree( refs );
+ if ( refs ) ber_bvarray_free( refs );
goto error_return;
}
/* Modify the entry */
- rc = ldbm_modify_internal( be, conn, op, ndn, modlist, e );
+ rc = ldbm_modify_internal( be, conn, op, ndn->bv_val, modlist, e,
+ &text, textbuf, textlen );
if( rc != LDAP_SUCCESS ) {
if( rc != SLAPD_ABANDON ) {
send_ldap_result( conn, op, rc,
- NULL, NULL, NULL, NULL );
+ NULL, text, NULL, NULL );
}
goto error_return;
/* change the entry itself */
if ( id2entry_add( be, e ) != 0 ) {
send_ldap_result( conn, op, LDAP_OTHER,
- NULL, NULL, NULL, NULL );
+ NULL, "id2entry failure", NULL, NULL );
goto error_return;
}
NULL, NULL, NULL, NULL );
cache_return_entry_w( &li->li_cache, e );
+ ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
return( 0 );
error_return:;
cache_return_entry_w( &li->li_cache, e );
+ ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
return( -1 );
}
-
-static int
-add_values(
- Entry *e,
- Modification *mod,
- char *dn
-)
-{
- int i;
- Attribute *a;
-
-#ifdef SLAPD_SCHEMA_NOT_COMPAT
- AttributeDescription *desc = mod->sm_desc;
-#else
- char *desc = mod->mod_type;
-#endif
-
- a = attr_find( e->e_attrs, desc );
-
- /* check if the values we're adding already exist */
- if ( a != NULL ) {
- for ( i = 0; mod->sm_bvalues[i] != NULL; i++ ) {
-#ifdef SLAPD_SCHEMA_NOT_COMPAT
- /* not yet implemented */
-#else
- if ( value_find( a->a_vals, mod->sm_bvalues[i],
- a->a_syntax, 3 ) == 0 )
- {
- return( LDAP_TYPE_OR_VALUE_EXISTS );
- }
-#endif
- }
- }
-
- /* no - add them */
- if( attr_merge( e, desc, mod->sm_bvalues ) != 0 ) {
- return( LDAP_CONSTRAINT_VIOLATION );
- }
-
- return( LDAP_SUCCESS );
-}
-
-static int
-delete_values(
- Entry *e,
- Modification *mod,
- char *dn
-)
-{
-#ifdef SLAPD_SCHEMA_NOT_COMPAT
- /* not yet implemented */
-#else
- int i, j, k, found;
- Attribute *a;
-
- /* delete the entire attribute */
- if ( mod->mod_bvalues == NULL ) {
- Debug( LDAP_DEBUG_ARGS, "removing entire attribute %s\n",
- mod->mod_type, 0, 0 );
- return( attr_delete( &e->e_attrs, mod->mod_type ) ?
- LDAP_NO_SUCH_ATTRIBUTE : LDAP_SUCCESS );
- }
-
- /* delete specific values - find the attribute first */
- if ( (a = attr_find( e->e_attrs, mod->mod_type )) == NULL ) {
- Debug( LDAP_DEBUG_ARGS, "could not find attribute %s\n",
- mod->mod_type, 0, 0 );
- return( LDAP_NO_SUCH_ATTRIBUTE );
- }
-
- /* find each value to delete */
- for ( i = 0; mod->mod_bvalues[i] != NULL; i++ ) {
- found = 0;
- for ( j = 0; a->a_vals[j] != NULL; j++ ) {
- if ( value_cmp( mod->mod_bvalues[i], a->a_vals[j],
- a->a_syntax, 3 ) != 0 ) {
- continue;
- }
- found = 1;
-
- /* found a matching value - delete it */
- ber_bvfree( a->a_vals[j] );
- for ( k = j + 1; a->a_vals[k] != NULL; k++ ) {
- a->a_vals[k - 1] = a->a_vals[k];
- }
- a->a_vals[k - 1] = NULL;
-
- /* delete the entire attribute, if no values remain */
- if ( a->a_vals[0] == NULL) {
- Debug( LDAP_DEBUG_ARGS,
- "removing entire attribute %s\n",
- mod->mod_type, 0, 0 );
- if ( attr_delete( &e->e_attrs, mod->mod_type ) ) {
- return LDAP_NO_SUCH_ATTRIBUTE;
- }
- }
-
- break;
- }
-
- /* looked through them all w/o finding it */
- if ( ! found ) {
- Debug( LDAP_DEBUG_ARGS,
- "could not find value for attr %s\n",
- mod->mod_type, 0, 0 );
- return LDAP_NO_SUCH_ATTRIBUTE;
- }
- }
-#endif
-
- return( LDAP_SUCCESS );
-}
-
-static int
-replace_values(
- Entry *e,
- Modification *mod,
- char *dn
-)
-{
- (void) attr_delete( &e->e_attrs, mod->sm_desc );
-
- if ( mod->sm_bvalues != NULL &&
- attr_merge( e, mod->sm_desc, mod->sm_bvalues ) != 0 )
- {
- return( LDAP_CONSTRAINT_VIOLATION );
- }
-
- return( LDAP_SUCCESS );
-}