openldap/servers/slapd/back-ldap/modify.c
2004-04-08 06:49:17 +00:00

204 lines
4.7 KiB
C

/* modify.c - ldap backend modify function */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1999-2004 The OpenLDAP Foundation.
* Portions Copyright 1999-2003 Howard Chu.
* Portions Copyright 2000-2003 Pierangelo Masarati.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* ACKNOWLEDGEMENTS:
* This work was initially developed by the Howard Chu for inclusion
* in OpenLDAP Software and subsequently enhanced by Pierangelo
* Masarati.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include <ac/socket.h>
#include "slap.h"
#include "back-ldap.h"
int
ldap_back_modify(
Operation *op,
SlapReply *rs )
{
struct ldapinfo *li = (struct ldapinfo *) op->o_bd->be_private;
struct ldapconn *lc;
LDAPMod **modv = NULL;
LDAPMod *mods;
Modifications *ml;
int i, j, rc;
struct berval mapped;
struct berval mdn = BER_BVNULL;
ber_int_t msgid;
dncookie dc;
int isupdate;
#ifdef LDAP_BACK_PROXY_AUTHZ
LDAPControl **ctrls = NULL;
#endif /* LDAP_BACK_PROXY_AUTHZ */
lc = ldap_back_getconn(op, rs);
if ( !lc || !ldap_back_dobind( lc, op, rs ) ) {
return( -1 );
}
/*
* Rewrite the modify dn, if needed
*/
dc.rwmap = &li->rwmap;
#ifdef ENABLE_REWRITE
dc.conn = op->o_conn;
dc.rs = rs;
dc.ctx = "modifyDN";
#else
dc.tofrom = 1;
dc.normalized = 0;
#endif
if ( ldap_back_dn_massage( &dc, &op->o_req_ndn, &mdn ) ) {
send_ldap_result( op, rs );
return -1;
}
for (i=0, ml=op->oq_modify.rs_modlist; ml; i++,ml=ml->sml_next)
;
mods = (LDAPMod *)ch_malloc(i*sizeof(LDAPMod));
if (mods == NULL) {
rc = LDAP_NO_MEMORY;
goto cleanup;
}
modv = (LDAPMod **)ch_malloc((i+1)*sizeof(LDAPMod *));
if (modv == NULL) {
rc = LDAP_NO_MEMORY;
goto cleanup;
}
#ifdef ENABLE_REWRITE
dc.ctx = "modifyAttrDN";
#endif
isupdate = be_isupdate( op ) || syncrepl_isupdate( op );
for (i=0, ml=op->oq_modify.rs_modlist; ml; ml=ml->sml_next) {
int is_oc = 0;
if ( !isupdate && ml->sml_desc->ad_type->sat_no_user_mod ) {
continue;
}
if ( ml->sml_desc == slap_schema.si_ad_objectClass
|| ml->sml_desc == slap_schema.si_ad_structuralObjectClass ) {
is_oc = 1;
mapped = ml->sml_desc->ad_cname;
} else {
ldap_back_map(&li->rwmap.rwm_at,
&ml->sml_desc->ad_cname,
&mapped, BACKLDAP_MAP);
if (mapped.bv_val == NULL || mapped.bv_val[0] == '\0') {
continue;
}
}
modv[i] = &mods[i];
mods[i].mod_op = ml->sml_op | LDAP_MOD_BVALUES;
mods[i].mod_type = mapped.bv_val;
if ( ml->sml_values != NULL ) {
if ( is_oc ) {
for (j = 0; ml->sml_values[j].bv_val; j++);
mods[i].mod_values = (struct berval **)ch_malloc((j+1) *
sizeof(struct berval *));
for (j = 0; ml->sml_values[j].bv_val; j++) {
ldap_back_map(&li->rwmap.rwm_oc,
&ml->sml_values[j],
&mapped, BACKLDAP_MAP);
if (mapped.bv_val == NULL || mapped.bv_val[0] == '\0') {
continue;
}
mods[i].mod_values[j] = &mapped;
}
mods[i].mod_values[j] = NULL;
} else {
if ( ml->sml_desc->ad_type->sat_syntax ==
slap_schema.si_syn_distinguishedName ) {
ldap_dnattr_rewrite( &dc, ml->sml_values );
}
if ( ml->sml_values == NULL ) {
continue;
}
for (j = 0; ml->sml_values[j].bv_val; j++);
mods[i].mod_values = (struct berval **)ch_malloc((j+1) *
sizeof(struct berval *));
for (j = 0; ml->sml_values[j].bv_val; j++)
mods[i].mod_values[j] = &ml->sml_values[j];
mods[i].mod_values[j] = NULL;
}
} else {
mods[i].mod_values = NULL;
}
i++;
}
modv[i] = 0;
#ifdef LDAP_BACK_PROXY_AUTHZ
rc = ldap_back_proxy_authz_ctrl( lc, op, rs, &ctrls );
if ( rc != LDAP_SUCCESS ) {
goto cleanup;
}
#endif /* LDAP_BACK_PROXY_AUTHZ */
rs->sr_err = ldap_modify_ext( lc->ld, mdn.bv_val, modv,
#ifdef LDAP_BACK_PROXY_AUTHZ
ctrls,
#else /* ! LDAP_BACK_PROXY_AUTHZ */
op->o_ctrls,
#endif /* ! LDAP_BACK_PROXY_AUTHZ */
NULL, &msgid );
cleanup:;
#ifdef LDAP_BACK_PROXY_AUTHZ
if ( ctrls && ctrls != op->o_ctrls ) {
free( ctrls[ 0 ] );
free( ctrls );
}
#endif /* LDAP_BACK_PROXY_AUTHZ */
if ( mdn.bv_val != op->o_req_ndn.bv_val ) {
free( mdn.bv_val );
}
for (i=0; modv[i]; i++) {
ch_free(modv[i]->mod_values);
}
ch_free( mods );
ch_free( modv );
#ifdef LDAP_BACK_PROXY_AUTHZ
if ( rc != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
return -1;
}
#endif /* LDAP_BACK_PROXY_AUTHZ */
return ldap_back_op_result( lc, op, rs, msgid, 1 );
}