openldap/servers/slapd/add.c

393 lines
9.4 KiB
C

/* $OpenLDAP$ */
/*
* 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.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of Michigan at Ann Arbor. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include <ac/time.h>
#include <ac/socket.h>
#include "ldap_pvt.h"
#include "slap.h"
#ifdef SLAPD_SCHEMA_NOT_COMPAT
static int slap_mods2entry(
Modifications *mods,
Entry **e,
const char **text );
#else
static int add_created_attrs(Operation *op, Entry *e);
#endif
int
do_add( Connection *conn, Operation *op )
{
BerElement *ber = op->o_ber;
char *dn, *ndn, *last;
ber_len_t len;
ber_tag_t tag;
Entry *e;
Backend *be;
#ifdef SLAPD_SCHEMA_NOT_COMPAT
LDAPModList *modlist = NULL;
LDAPModList **modtail = &modlist;
Modifications *mods = NULL;
#endif
const char *text;
int rc = LDAP_SUCCESS;
Debug( LDAP_DEBUG_TRACE, "do_add\n", 0, 0, 0 );
/*
* Parse the add request. It looks like this:
*
* AddRequest := [APPLICATION 14] SEQUENCE {
* name DistinguishedName,
* attrs SEQUENCE OF SEQUENCE {
* type AttributeType,
* values SET OF AttributeValue
* }
* }
*/
/* get the name */
if ( ber_scanf( ber, "{a", /*}*/ &dn ) == LBER_ERROR ) {
Debug( LDAP_DEBUG_ANY, "do_add: ber_scanf failed\n", 0, 0, 0 );
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "decoding error" );
return -1;
}
ndn = ch_strdup( dn );
if ( dn_normalize( ndn ) == NULL ) {
Debug( LDAP_DEBUG_ANY, "do_add: invalid dn (%s)\n", dn, 0, 0 );
send_ldap_result( conn, op, LDAP_INVALID_DN_SYNTAX, NULL,
"invalid DN", NULL, NULL );
free( dn );
free( ndn );
return LDAP_INVALID_DN_SYNTAX;
}
e = (Entry *) ch_calloc( 1, sizeof(Entry) );
e->e_dn = dn;
e->e_ndn = ndn;
e->e_attrs = NULL;
e->e_private = NULL;
Debug( LDAP_DEBUG_ARGS, " do_add: ndn (%s)\n", e->e_ndn, 0, 0 );
/* get the attrs */
for ( tag = ber_first_element( ber, &len, &last ); tag != LBER_DEFAULT;
tag = ber_next_element( ber, &len, last ) )
{
#ifdef SLAPD_SCHEMA_NOT_COMPAT
LDAPModList *mod = (LDAPModList *) ch_malloc( sizeof(LDAPModList) );
#else
LDAPModList tmpmod;
LDAPModList *mod = &tmpmod;
#endif
mod->ml_op = LDAP_MOD_ADD;
mod->ml_next = NULL;
rc = ber_scanf( ber, "{a{V}}", &mod->ml_type, &mod->ml_bvalues );
if ( rc == LBER_ERROR ) {
Debug( LDAP_DEBUG_ANY, "do_add: decoding error\n", 0, 0, 0 );
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "decoding error" );
rc = -1;
#ifdef SLAPD_SCHEMA_NOT_COMPAT
free( mod );
#endif
goto done;
}
if ( mod->ml_bvalues == NULL ) {
Debug( LDAP_DEBUG_ANY, "no values for type %s\n",
mod->ml_type, 0, 0 );
send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
NULL, "no values for attribute type", NULL, NULL );
free( mod->ml_type );
#ifdef SLAPD_SCHEMA_NOT_COMPAT
free( mod );
#endif
goto done;
}
#ifdef SLAPD_SCHEMA_NOT_COMPAT
*modtail = mod;
modtail = &mod->ml_next;
#else
attr_merge( e, mod->ml_type, mod->ml_bvalues );
free( mod->ml_type );
ber_bvecfree( mod->ml_bvalues );
#endif
}
if ( ber_scanf( ber, /*{*/ "}") == LBER_ERROR ) {
Debug( LDAP_DEBUG_ANY, "do_add: ber_scanf failed\n", 0, 0, 0 );
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "decoding error" );
rc = -1;
goto done;
}
if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY, "do_add: get_ctrls failed\n", 0, 0, 0 );
goto done;
}
#ifdef SLAPD_SCHEMA_NOT_COMPAT
if ( modlist == NULL )
#else
if ( e->e_attrs == NULL )
#endif
{
send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
NULL, "no attributes provided", NULL, NULL );
goto done;
}
Statslog( LDAP_DEBUG_STATS, "conn=%ld op=%d ADD dn=\"%s\"\n",
op->o_connid, op->o_opid, e->e_ndn, 0, 0 );
/*
* 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.
*/
be = select_backend( e->e_ndn );
if ( be == NULL ) {
send_ldap_result( conn, op, rc = LDAP_REFERRAL,
NULL, NULL, default_referral, NULL );
goto done;
}
/* make sure this backend recongizes critical controls */
rc = backend_check_controls( be, conn, op, &text ) ;
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
goto done;
}
if ( global_readonly || be->be_readonly ) {
Debug( LDAP_DEBUG_ANY, "do_add: database is read-only\n",
0, 0, 0 );
send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
NULL, "directory is read-only", NULL, NULL );
goto done;
}
/*
* do the add if 1 && (2 || 3)
* 1) there is an add function implemented in this backend;
* 2) this backend is master for what it holds;
* 3) it's a replica and the dn supplied is the updatedn.
*/
if ( be->be_add ) {
/* do the update here */
#ifdef SLAPD_MULTIMASTER
if ( (be->be_lastmod == ON || (be->be_lastmod == UNDEFINED &&
global_lastmod == ON)) && (be->be_update_ndn == NULL ||
strcmp( be->be_update_ndn, op->o_ndn )) )
#else
if ( be->be_update_ndn == NULL ||
strcmp( be->be_update_ndn, op->o_ndn ) == 0 )
#endif
{
int update = be->be_update_ndn != NULL;
#ifdef SLAPD_SCHEMA_NOT_COMPAT
rc = slap_modlist2mods( modlist, update, &mods, &text );
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
goto done;
}
#endif
#ifndef SLAPD_MULTIMASTER
if ( (be->be_lastmod == ON || (be->be_lastmod == UNDEFINED &&
global_lastmod == ON)) && !update )
#endif
{
#ifdef SLAPD_SCHEMA_NOT_COMPAT
Modifications **modstail;
for( modstail = &mods;
*modstail != NULL;
modstail = &(*modstail)->sml_next )
{
assert( (*modstail)->sml_op == LDAP_MOD_ADD );
assert( (*modstail)->sml_desc != NULL );
}
rc = slap_mods_opattrs( op, modstail, &text );
#else
char *text = "no-user-modification attribute type";
rc = add_created_attrs( op, e );
#endif
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
goto done;
}
}
#ifdef SLAPD_SCHEMA_NOT_COMPAT
rc = slap_mods2entry( mods, &e, &text );
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
goto done;
}
#endif
if ( (*be->be_add)( be, conn, op, e ) == 0 ) {
#ifdef SLAPD_MULTIMASTER
if (be->be_update_ndn == NULL ||
strcmp( be->be_update_ndn, op->o_ndn ))
#endif
{
replog( be, op, e->e_dn, e );
}
be_entry_release_w( be, e );
e = NULL;
}
#ifndef SLAPD_MULTIMASTER
} else {
send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
be->be_update_refs ? be->be_update_refs : default_referral, NULL );
#endif
}
} else {
Debug( LDAP_DEBUG_ARGS, " do_add: no backend support\n", 0, 0, 0 );
send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
NULL, "operation not supported within namingContext", NULL, NULL );
}
done:
#ifdef SLAPD_SCHEMA_NOT_COMPAT
if( modlist != NULL ) {
slap_modlist_free( modlist );
}
if( mods != NULL ) {
slap_mods_free( mods );
}
#endif
if( e != NULL ) {
entry_free( e );
}
return rc;
}
#ifdef SLAPD_SCHEMA_NOT_COMPAT
static int slap_mods2entry(
Modifications *mods,
Entry **e,
const char **text )
{
Attribute **tail = &(*e)->e_attrs;
assert( *tail == NULL );
for( ; mods != NULL; mods = mods->sml_next ) {
Attribute *attr;
assert( mods->sml_op == LDAP_MOD_ADD );
assert( mods->sml_desc != NULL );
attr = attr_find( (*e)->e_attrs, mods->sml_desc );
if( attr != NULL ) {
*text = "attribute provided more than once";
return LDAP_OPERATIONS_ERROR;
}
attr = ch_calloc( 1, sizeof(Attribute) );
/* move ad to attr structure */
attr->a_desc = mods->sml_desc;
mods->sml_desc = NULL;
/* move values to attr structure */
/* should check for duplicates */
attr->a_vals = mods->sml_bvalues;
mods->sml_bvalues = NULL;
*tail = attr;
tail = &attr->a_next;
}
return LDAP_SUCCESS;
}
#else
static int
add_created_attrs( Operation *op, Entry *e )
{
char buf[22];
struct berval bv;
struct berval *bvals[2];
Attribute *a;
struct tm *ltm;
time_t currenttime;
Debug( LDAP_DEBUG_TRACE, "add_created_attrs\n", 0, 0, 0 );
bvals[0] = &bv;
bvals[1] = NULL;
/* return error on any attempts by the user to add these attrs */
for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
if ( oc_check_op_no_usermod_attr( a->a_type ) ) {
return LDAP_CONSTRAINT_VIOLATION;
}
}
if ( op->o_dn == NULL || op->o_dn[0] == '\0' ) {
bv.bv_val = SLAPD_ANONYMOUS;
bv.bv_len = sizeof(SLAPD_ANONYMOUS)-1;
;
} else {
bv.bv_val = op->o_dn;
bv.bv_len = strlen( bv.bv_val );
}
attr_merge( e, "creatorsname", bvals );
attr_merge( e, "modifiersname", bvals );
currenttime = slap_get_time();
ldap_pvt_thread_mutex_lock( &gmtime_mutex );
ltm = gmtime( &currenttime );
strftime( buf, sizeof(buf), "%Y%m%d%H%M%SZ", ltm );
ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
bv.bv_val = buf;
bv.bv_len = strlen( bv.bv_val );
attr_merge( e, "createtimestamp", bvals );
attr_merge( e, "modifytimestamp", bvals );
return LDAP_SUCCESS;
}
#endif