openldap/servers/slapd/add.c

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/* $OpenLDAP$ */
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/*
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* Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
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/*
* 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.
*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/string.h>
#include <ac/time.h>
#include <ac/socket.h>
#include "ldap_pvt.h"
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#include "slap.h"
static int slap_mods2entry(
Modifications *mods,
Entry **e,
const char **text );
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int
do_add( Connection *conn, Operation *op )
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{
BerElement *ber = op->o_ber;
char *dn, *ndn, *last;
ber_len_t len;
ber_tag_t tag;
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Entry *e;
Backend *be;
LDAPModList *modlist = NULL;
LDAPModList **modtail = &modlist;
Modifications *mods = NULL;
const char *text;
int rc = LDAP_SUCCESS;
int manageDSAit;
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
"do_add: conn %d enter\n", conn->c_connid ));
#else
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Debug( LDAP_DEBUG_TRACE, "do_add\n", 0, 0, 0 );
#endif
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/*
* 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 ) {
#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
"do_add: conn %d ber_scanf failed\n", conn->c_connid ));
#else
Debug( LDAP_DEBUG_ANY, "do_add: ber_scanf failed\n", 0, 0, 0 );
#endif
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "decoding error" );
return -1;
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}
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ndn = ch_strdup( dn );
if ( dn_normalize( ndn ) == NULL ) {
#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
"do_add: conn %d invalid dn (%s)\n", conn->c_connid, dn ));
#else
Debug( LDAP_DEBUG_ANY, "do_add: invalid dn (%s)\n", dn, 0, 0 );
#endif
send_ldap_result( conn, op, LDAP_INVALID_DN_SYNTAX, NULL,
"invalid DN", NULL, NULL );
free( dn );
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free( ndn );
return LDAP_INVALID_DN_SYNTAX;
}
e = (Entry *) ch_calloc( 1, sizeof(Entry) );
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e->e_dn = dn;
e->e_ndn = ndn;
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e->e_attrs = NULL;
e->e_private = NULL;
#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
"do_add: conn %d ndn (%s)\n", conn->c_connid, e->e_ndn ));
#else
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Debug( LDAP_DEBUG_ARGS, "do_add: ndn (%s)\n", e->e_ndn, 0, 0 );
#endif
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/* get the attrs */
for ( tag = ber_first_element( ber, &len, &last ); tag != LBER_DEFAULT;
tag = ber_next_element( ber, &len, last ) )
{
LDAPModList *mod = (LDAPModList *) ch_malloc( sizeof(LDAPModList) );
mod->ml_op = LDAP_MOD_ADD;
mod->ml_next = NULL;
rc = ber_scanf( ber, "{a{V}}", &mod->ml_type, &mod->ml_bvalues );
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if ( rc == LBER_ERROR ) {
#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
"do_add: conn %d decoding error \n", conn->c_connid ));
#else
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Debug( LDAP_DEBUG_ANY, "do_add: decoding error\n", 0, 0, 0 );
#endif
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "decoding error" );
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rc = -1;
free( mod );
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goto done;
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}
if ( mod->ml_bvalues == NULL ) {
#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
"do_add: conn %d no values for type %s\n",
conn->c_connid, mod->ml_type ));
#else
Debug( LDAP_DEBUG_ANY, "no values for type %s\n",
mod->ml_type, 0, 0 );
#endif
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send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
NULL, "no values for attribute type", NULL, NULL );
free( mod->ml_type );
free( mod );
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goto done;
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}
*modtail = mod;
modtail = &mod->ml_next;
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}
if ( ber_scanf( ber, /*{*/ "}") == LBER_ERROR ) {
#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
"do_add: conn %d ber_scanf failed\n", conn->c_connid ));
#else
Debug( LDAP_DEBUG_ANY, "do_add: ber_scanf failed\n", 0, 0, 0 );
#endif
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "decoding error" );
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rc = -1;
goto done;
}
if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
"do_add: conn %d get_ctrls failed\n", conn->c_connid ));
#else
Debug( LDAP_DEBUG_ANY, "do_add: get_ctrls failed\n", 0, 0, 0 );
#endif
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goto done;
}
if ( modlist == NULL ) {
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 );
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if( e->e_ndn == NULL || *e->e_ndn == '\0' ) {
/* protocolError may be a more appropriate error */
send_ldap_result( conn, op, rc = LDAP_ALREADY_EXISTS,
NULL, "root DSE exists", NULL, NULL );
goto done;
}
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manageDSAit = get_manageDSAit( op );
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/*
* 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, manageDSAit );
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if ( be == NULL ) {
send_ldap_result( conn, op, rc = LDAP_REFERRAL,
NULL, NULL, default_referral, NULL );
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goto done;
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}
/* 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 );
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goto done;
}
/* check for referrals */
rc = backend_check_referrals( be, conn, op, e->e_dn, e->e_ndn );
if ( rc != LDAP_SUCCESS ) {
goto done;
}
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/*
* 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 ) {
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/* do the update here */
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int repl_user = (be->be_update_ndn != NULL &&
strcmp( be->be_update_ndn, op->o_ndn ) == 0);
#ifndef SLAPD_MULTIMASTER
if ( be->be_update_ndn == NULL || repl_user )
#endif
{
int update = be->be_update_ndn != NULL;
char textbuf[SLAP_TEXT_BUFLEN];
size_t textlen = sizeof textbuf;
rc = slap_modlist2mods( modlist, update, &mods, &text,
textbuf, textlen );
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
goto done;
}
if ( (be->be_lastmod == ON || (be->be_lastmod == UNDEFINED &&
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global_lastmod == ON)) && !repl_user )
{
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 );
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
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goto done;
}
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}
rc = slap_mods2entry( mods, &e, &text );
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
goto done;
}
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if ( (*be->be_add)( be, conn, op, e ) == 0 ) {
#ifdef SLAPD_MULTIMASTER
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if ( !repl_user )
#endif
{
replog( be, op, e->e_dn, e );
}
be_entry_release_w( be, conn, op, e );
e = NULL;
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}
#ifndef SLAPD_MULTIMASTER
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} else {
send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
be->be_update_refs ? be->be_update_refs : default_referral, NULL );
#endif
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}
} else {
#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
"do_add: conn %d no backend support\n", conn->c_connid ));
#else
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Debug( LDAP_DEBUG_ARGS, " do_add: no backend support\n", 0, 0, 0 );
#endif
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send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
NULL, "operation not supported within namingContext", NULL, NULL );
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}
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done:
if( modlist != NULL ) {
slap_modlist_free( modlist );
}
if( mods != NULL ) {
slap_mods_free( mods );
}
if( e != NULL ) {
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entry_free( e );
}
return rc;
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}
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 ) {
#define SLURPD_FRIENDLY
#ifdef SLURPD_FRIENDLY
ber_len_t i,j;
for( i=0; attr->a_vals[i]; i++ ) {
/* count them */
}
for( j=0; mods->sml_bvalues[j]; j++ ) {
/* count them */
}
j++; /* NULL */
attr->a_vals = ch_realloc( attr->a_vals,
sizeof( struct berval * ) * (i+j) );
/* should check for duplicates */
AC_MEMCPY( &attr->a_vals[i], mods->sml_bvalues,
sizeof( struct berval * ) * j );
/* trim the mods array */
ch_free( mods->sml_bvalues );
mods->sml_bvalues = NULL;
continue;
#else
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*text = "attribute provided more than once";
return LDAP_TYPE_OR_VALUE_EXISTS;
#endif
}
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;
}