+/* $OpenLDAP$ */
+/*
+ * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
/*
* Copyright (c) 1995 Regents of the University of Michigan.
* All rights reserved.
#include <ac/string.h>
#include <ac/time.h>
+#include "ldap_pvt.h"
#include "slap.h"
-static void modlist_free(LDAPModList *ml);
int
do_modify(
Connection *conn,
- Operation *op
-)
+ Operation *op )
{
- char *ndn;
+ char *dn, *ndn = NULL;
char *last;
ber_tag_t tag;
ber_len_t len;
- LDAPModList *modlist;
- LDAPModList **modtail;
+ LDAPModList *modlist = NULL;
+ LDAPModList **modtail = &modlist;
#ifdef LDAP_DEBUG
LDAPModList *tmp;
#endif
+ Modifications *mods = NULL;
Backend *be;
int rc;
+ const char *text;
+ int manageDSAit;
Debug( LDAP_DEBUG_TRACE, "do_modify\n", 0, 0, 0 );
- if( op->o_bind_in_progress ) {
- Debug( LDAP_DEBUG_ANY, "do_modify: SASL bind in progress.\n",
- 0, 0, 0 );
- send_ldap_result( conn, op, LDAP_SASL_BIND_IN_PROGRESS,
- NULL, "SASL bind in progress", NULL, NULL );
- return LDAP_SASL_BIND_IN_PROGRESS;
- }
-
/*
* Parse the modify request. It looks like this:
*
* }
*/
- if ( ber_scanf( op->o_ber, "{a" /*}*/, &ndn ) == LBER_ERROR ) {
+ if ( ber_scanf( op->o_ber, "{a" /*}*/, &dn ) == LBER_ERROR ) {
Debug( LDAP_DEBUG_ANY, "do_modify: ber_scanf failed\n", 0, 0, 0 );
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "decoding error" );
- return -1;
+ return SLAPD_DISCONNECT;
}
- Debug( LDAP_DEBUG_ARGS, "do_modify: dn (%s)\n", ndn, 0, 0 );
-
- if( dn_normalize_case( ndn ) == NULL ) {
- Debug( LDAP_DEBUG_ANY, "do_modify: invalid dn (%s)\n", ndn, 0, 0 );
- send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
- "invalid DN", NULL, NULL );
- free( ndn );
- return rc;
- }
+ Debug( LDAP_DEBUG_ARGS, "do_modify: dn (%s)\n", dn, 0, 0 );
/* collect modifications & save for later */
- modlist = NULL;
- modtail = &modlist;
for ( tag = ber_first_element( op->o_ber, &len, &last );
tag != LBER_DEFAULT;
{
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "decoding modlist error" );
- free( ndn );
- free( *modtail );
- *modtail = NULL;
- modlist_free( modlist );
- return -1;
+ rc = SLAPD_DISCONNECT;
+ goto cleanup;
}
- (*modtail)->ml_op = mop;
-
- if ( (*modtail)->ml_op != LDAP_MOD_ADD &&
- (*modtail)->ml_op != LDAP_MOD_DELETE &&
- (*modtail)->ml_op != LDAP_MOD_REPLACE )
- {
- send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR,
- NULL, "unrecognized modify operation", NULL, NULL );
- free( ndn );
- modlist_free( modlist );
- return LDAP_PROTOCOL_ERROR;
- }
+ switch( mop ) {
+ case LDAP_MOD_ADD:
+ if ( (*modtail)->ml_bvalues == NULL ) {
+ Debug( LDAP_DEBUG_ANY,
+ "do_modify: modify/add operation (%ld) requires values\n",
+ (long) mop, 0, 0 );
+ send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR,
+ NULL, "modify/add operation requires values",
+ NULL, NULL );
+ rc = LDAP_PROTOCOL_ERROR;
+ goto cleanup;
+ }
- if ( (*modtail)->ml_bvalues == NULL
- && (*modtail)->ml_op != LDAP_MOD_DELETE )
- {
- send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR,
- NULL, "unrecognized modify operation", NULL, NULL );
- free( ndn );
- modlist_free( modlist );
- return LDAP_PROTOCOL_ERROR;
+ /* fall through */
+
+ case LDAP_MOD_DELETE:
+ case LDAP_MOD_REPLACE:
+ break;
+
+ default: {
+ Debug( LDAP_DEBUG_ANY,
+ "do_modify: invalid modify operation (%ld)\n",
+ (long) mop, 0, 0 );
+ send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR,
+ NULL, "unrecognized modify operation", NULL, NULL );
+ rc = LDAP_PROTOCOL_ERROR;
+ goto cleanup;
+ }
}
- attr_normalize( (*modtail)->ml_type );
+ (*modtail)->ml_op = mop;
modtail = &(*modtail)->ml_next;
}
*modtail = NULL;
+ if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_ANY, "do_modify: get_ctrls failed\n", 0, 0, 0 );
+ goto cleanup;
+ }
+
+ ndn = ch_strdup( dn );
+
+ if( dn_normalize( ndn ) == NULL ) {
+ Debug( LDAP_DEBUG_ANY, "do_modify: invalid dn (%s)\n", dn, 0, 0 );
+ send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
+ "invalid DN", NULL, NULL );
+ goto cleanup;
+ }
+
+ if( ndn == '\0' ) {
+ Debug( LDAP_DEBUG_ANY, "do_modify: root dse!\n", 0, 0, 0 );
+ send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
+ NULL, "modify upon the root DSE not supported", NULL, NULL );
+ goto cleanup;
+ }
+
#ifdef LDAP_DEBUG
Debug( LDAP_DEBUG_ARGS, "modifications:\n", 0, 0, 0 );
for ( tmp = modlist; tmp != NULL; tmp = tmp->ml_next ) {
}
#endif
- if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
- free( ndn );
- modlist_free( modlist );
- Debug( LDAP_DEBUG_ANY, "do_modify: get_ctrls failed\n", 0, 0, 0 );
- return rc;
- }
+ Statslog( LDAP_DEBUG_STATS, "conn=%ld op=%d MOD dn=\"%s\"\n",
+ op->o_connid, op->o_opid, dn, 0, 0 );
- Statslog( LDAP_DEBUG_STATS, "conn=%d op=%d MOD dn=\"%s\"\n",
- op->o_connid, op->o_opid, ndn, 0, 0 );
+ manageDSAit = get_manageDSAit( op );
/*
* We could be serving multiple database backends. Select the
* appropriate one, or send a referral to our "referral server"
* if we don't hold it.
*/
- if ( (be = select_backend( ndn )) == NULL ) {
- free( ndn );
- modlist_free( modlist );
+ if ( (be = select_backend( ndn, manageDSAit )) == NULL ) {
send_ldap_result( conn, op, rc = LDAP_REFERRAL,
NULL, NULL, default_referral, NULL );
- return rc;
+ goto cleanup;
+ }
+
+ /* check restrictions */
+ rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
+ if( rc != LDAP_SUCCESS ) {
+ send_ldap_result( conn, op, rc,
+ NULL, text, NULL, NULL );
+ goto cleanup;
+ }
+
+ /* check for referrals */
+ rc = backend_check_referrals( be, conn, op, dn, ndn );
+ if ( rc != LDAP_SUCCESS ) {
+ goto cleanup;
}
/* deref suffix alias if appropriate */
*/
if ( be->be_modify ) {
/* do the update here */
+#ifndef SLAPD_MULTIMASTER
+ /* we don't have to check for replicator dn
+ * because we accept each modify request
+ */
if ( be->be_update_ndn == NULL ||
strcmp( be->be_update_ndn, op->o_ndn ) == 0 )
+#endif
{
- if ( (*be->be_modify)( be, conn, op, ndn, modlist ) == 0 ) {
- replog( be, LDAP_REQ_MODIFY, ndn, modlist, 0 );
+ int update = be->be_update_ndn != NULL;
+ const char *text;
+ rc = slap_modlist2mods( modlist, update, &mods, &text );
+
+ if( rc != LDAP_SUCCESS ) {
+ send_ldap_result( conn, op, rc,
+ NULL, text, NULL, NULL );
+ goto cleanup;
+ }
+
+ if ( (be->be_lastmod == ON || (be->be_lastmod == UNDEFINED &&
+ global_lastmod == ON)) && !update )
+ {
+ Modifications **modstail;
+ for( modstail = &mods;
+ *modstail != NULL;
+ modstail = &(*modstail)->sml_next )
+ {
+ /* empty */
+ }
+ rc = slap_mods_opattrs( op, modstail, &text );
+
+ if( rc != LDAP_SUCCESS ) {
+ send_ldap_result( conn, op, rc,
+ NULL, text,
+ NULL, NULL );
+ goto cleanup;
+ }
+ }
+
+ if ( (*be->be_modify)( be, conn, op, dn, ndn, mods ) == 0
+#ifdef SLAPD_MULTIMASTER
+ && ( be->be_update_ndn == NULL ||
+ strcmp( be->be_update_ndn, op->o_ndn ) != 0 )
+#endif
+ ) {
+ /* but we log only the ones not from a replicator user */
+ replog( be, op, dn, mods );
}
+#ifndef SLAPD_MULTIMASTER
/* send a referral */
} else {
send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
- be->be_update_refs ? be->be_update_refs : default_referral, NULL );
+ be->be_update_refs ? be->be_update_refs : default_referral,
+ NULL );
+#endif
}
} else {
send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
- NULL, "Function not implemented", NULL, NULL );
+ NULL, "operation not supported within namingContext", NULL, NULL );
}
- free( ndn );
- modlist_free( modlist );
+cleanup:
+ free( dn );
+ if( ndn != NULL ) free( ndn );
+ if ( modlist != NULL )
+ slap_modlist_free( modlist );
+ if ( mods != NULL )
+ slap_mods_free( mods );
return rc;
}
-static void
-modlist_free(
+/*
+ * convert a raw list of modifications to internal format
+ * Do basic attribute type checking and syntax validation.
+ */
+int slap_modlist2mods(
+ LDAPModList *ml,
+ int update,
+ Modifications **mods,
+ const char **text )
+{
+ int rc;
+ Modifications **modtail = mods;
+
+ for( ; ml != NULL; ml = ml->ml_next ) {
+ Modifications *mod;
+ AttributeDescription *ad = NULL;
+
+ mod = (Modifications *)
+ ch_calloc( 1, sizeof(Modifications) );
+
+ /* copy the op */
+ mod->sml_op = ml->ml_op;
+
+ /* convert to attribute description */
+ rc = slap_str2ad( ml->ml_type, &mod->sml_desc, text );
+
+ if( rc != LDAP_SUCCESS ) {
+ slap_mods_free( mod );
+ return rc;
+ }
+
+ ad = mod->sml_desc;
+
+ if( slap_syntax_is_binary( ad->ad_type->sat_syntax )
+ && !slap_ad_is_binary( ad ))
+ {
+ /* attribute requires binary transfer */
+ slap_mods_free( mod );
+ *text = "attribute requires ;binary transfer";
+ return LDAP_UNDEFINED_TYPE;
+ }
+
+ if( !slap_syntax_is_binary( ad->ad_type->sat_syntax )
+ && slap_ad_is_binary( ad ))
+ {
+ /* attribute requires binary transfer */
+ slap_mods_free( mod );
+ *text = "attribute disallows ;binary transfer";
+ return LDAP_UNDEFINED_TYPE;
+ }
+
+ if (!update && is_at_no_user_mod( ad->ad_type )) {
+ /* user modification disallowed */
+ slap_mods_free( mod );
+ *text = "no user modification allowed";
+ return LDAP_CONSTRAINT_VIOLATION;
+ }
+
+ /*
+ * check values
+ */
+ if( ml->ml_bvalues != NULL ) {
+ ber_len_t nvals;
+ slap_syntax_validate_func *validate =
+ ad->ad_type->sat_syntax->ssyn_validate;
+
+ if( !validate ) {
+ Debug( LDAP_DEBUG_TRACE,
+ "modlist2mods: no validator for syntax %s\n",
+ ad->ad_type->sat_syntax->ssyn_oid, 0, 0 );
+ slap_mods_free( mod );
+ *text = "no validator for syntax";
+ return LDAP_INVALID_SYNTAX;
+ }
+
+ /*
+ * check that each value is valid per syntax
+ */
+ for( nvals = 0; ml->ml_bvalues[nvals]; nvals++ ) {
+ rc = validate( ad->ad_type->sat_syntax, ml->ml_bvalues[nvals] );
+
+ if( rc != 0 ) {
+ slap_mods_free( mod );
+ *text = "value contains invalid data";
+ return LDAP_INVALID_SYNTAX;
+ }
+ }
+
+ /*
+ * a rough single value check... an additional check is needed
+ * to catch add of single value to existing single valued attribute
+ */
+ if( ( mod->sml_op == LDAP_MOD_ADD || mod->sml_op == LDAP_MOD_REPLACE )
+ && nvals > 1 && is_at_single_value( ad->ad_type ))
+ {
+ slap_mods_free( mod );
+ *text = "multiple values provided";
+ return LDAP_INVALID_SYNTAX;
+ }
+ }
+
+ mod->sml_bvalues = ml->ml_bvalues;
+ ml->ml_values = NULL;
+
+ *modtail = mod;
+ modtail = &mod->sml_next;
+ }
+
+ return LDAP_SUCCESS;
+}
+
+int slap_mods_opattrs(
+ Operation *op,
+ Modifications **modtail,
+ const char **text )
+{
+ struct berval name, timestamp;
+ time_t now = slap_get_time();
+ char timebuf[22];
+ struct tm *ltm;
+ Modifications *mod;
+
+ int mop = op->o_tag == LDAP_REQ_ADD
+ ? LDAP_MOD_ADD : LDAP_MOD_REPLACE;
+
+ assert( modtail != NULL );
+ assert( *modtail == NULL );
+
+ ldap_pvt_thread_mutex_lock( &gmtime_mutex );
+ ltm = gmtime( &now );
+ strftime( timebuf, sizeof(timebuf), "%Y%m%d%H%M%SZ", ltm );
+ ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
+ timestamp.bv_val = timebuf;
+ timestamp.bv_len = strlen(timebuf);
+
+ if( op->o_dn == NULL || op->o_dn[0] == '\0' ) {
+ name.bv_val = SLAPD_ANONYMOUS;
+ name.bv_len = sizeof(SLAPD_ANONYMOUS)-1;
+ } else {
+ name.bv_val = op->o_dn;
+ name.bv_len = strlen( op->o_dn );
+ }
+
+ if( op->o_tag == LDAP_REQ_ADD ) {
+ mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ) );
+ mod->sml_op = mop;
+ mod->sml_desc = ad_dup( slap_schema.si_ad_creatorsName );
+ mod->sml_bvalues = (struct berval **) malloc( 2 * sizeof( struct berval * ) );
+ mod->sml_bvalues[0] = ber_bvdup( &name );
+ mod->sml_bvalues[1] = NULL;
+
+ *modtail = mod;
+ modtail = &mod->sml_next;
+
+ mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ) );
+ mod->sml_op = mop;
+ mod->sml_desc = ad_dup( slap_schema.si_ad_createTimestamp );
+ mod->sml_bvalues = (struct berval **) malloc( 2 * sizeof( struct berval * ) );
+ mod->sml_bvalues[0] = ber_bvdup( ×tamp );
+ mod->sml_bvalues[1] = NULL;
+ *modtail = mod;
+ modtail = &mod->sml_next;
+ }
+
+ mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ) );
+ mod->sml_op = mop;
+ mod->sml_desc = ad_dup( slap_schema.si_ad_modifiersName );
+ mod->sml_bvalues = (struct berval **) malloc( 2 * sizeof( struct berval * ) );
+ mod->sml_bvalues[0] = ber_bvdup( &name );
+ mod->sml_bvalues[1] = NULL;
+ *modtail = mod;
+ modtail = &mod->sml_next;
+
+ mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ) );
+ mod->sml_op = mop;
+ mod->sml_desc = ad_dup( slap_schema.si_ad_modifyTimestamp );
+ mod->sml_bvalues = (struct berval **) malloc( 2 * sizeof( struct berval * ) );
+ mod->sml_bvalues[0] = ber_bvdup( ×tamp );
+ mod->sml_bvalues[1] = NULL;
+ *modtail = mod;
+ modtail = &mod->sml_next;
+
+ return LDAP_SUCCESS;
+}
+
+
+void
+slap_mod_free(
+ Modification *mod,
+ int freeit
+)
+{
+ ad_free( mod->sm_desc, 1 );
+
+ if ( mod->sm_bvalues != NULL )
+ ber_bvecfree( mod->sm_bvalues );
+
+ if( freeit )
+ free( mod );
+}
+
+void
+slap_mods_free(
+ Modifications *ml
+)
+{
+ Modifications *next;
+
+ for ( ; ml != NULL; ml = next ) {
+ next = ml->sml_next;
+
+ slap_mod_free( &ml->sml_mod, 0 );
+ free( ml );
+ }
+}
+
+void
+slap_modlist_free(
LDAPModList *ml
)
{
for ( ; ml != NULL; ml = next ) {
next = ml->ml_next;
- free( ml->ml_type );
+ if (ml->ml_type)
+ free( ml->ml_type );
+
if ( ml->ml_bvalues != NULL )
ber_bvecfree( ml->ml_bvalues );
projects / openldap / blobdiff