openldap/servers/slapd/back-ldap/modify.c
2003-04-04 00:43:40 +00:00

172 lines
4.6 KiB
C

/* modify.c - ldap backend modify function */
/* $OpenLDAP$ */
/*
* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
/* This is an altered version */
/*
* Copyright 1999, Howard Chu, All rights reserved. <hyc@highlandsun.com>
*
* Permission is granted to anyone to use this software for any purpose
* on any computer system, and to alter it and redistribute it, subject
* to the following restrictions:
*
* 1. The author is not responsible for the consequences of use of this
* software, no matter how awful, even if they arise from flaws in it.
*
* 2. The origin of this software must not be misrepresented, either by
* explicit claim or by omission. Since few users ever read sources,
* credits should appear in the documentation.
*
* 3. Altered versions must be plainly marked as such, and must not be
* misrepresented as being the original software. Since few users
* ever read sources, credits should appear in the documentation.
*
* 4. This notice may not be removed or altered.
*
*
*
* Copyright 2000, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
*
* This software is being modified by Pierangelo Masarati.
* The previously reported conditions apply to the modified code as well.
* Changes in the original code are highlighted where required.
* Credits for the original code go to the author, Howard Chu.
*/
#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 = { 0, NULL };
ber_int_t msgid;
lc = ldap_back_getconn(op, rs);
if ( !lc || !ldap_back_dobind( lc, op, rs ) ) {
return( -1 );
}
/*
* Rewrite the modify dn, if needed
*/
#ifdef ENABLE_REWRITE
switch ( rewrite_session( li->rwinfo, "modifyDn", op->o_req_dn.bv_val, op->o_conn, &mdn.bv_val ) ) {
case REWRITE_REGEXEC_OK:
if ( mdn.bv_val == NULL ) {
mdn.bv_val = ( char * )op->o_req_dn.bv_val;
}
#ifdef NEW_LOGGING
LDAP_LOG( BACK_LDAP, DETAIL1,
"[rw] modifyDn: \"%s\" -> \"%s\"\n", op->o_req_dn.bv_val, mdn.bv_val, 0 );
#else /* !NEW_LOGGING */
Debug( LDAP_DEBUG_ARGS, "rw> modifyDn: \"%s\" -> \"%s\"\n%s",
op->o_req_dn.bv_val, mdn.bv_val, "" );
#endif /* !NEW_LOGGING */
break;
case REWRITE_REGEXEC_UNWILLING:
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"Operation not allowed" );
return( -1 );
case REWRITE_REGEXEC_ERR:
send_ldap_error( op, rs, LDAP_OTHER,
"Rewrite error" );
return( -1 );
}
#else /* !ENABLE_REWRITE */
ldap_back_dn_massage( li, &op->o_req_dn, &mdn, 0, 1 );
#endif /* !ENABLE_REWRITE */
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;
}
for (i=0, ml=op->oq_modify.rs_modlist; ml; ml=ml->sml_next) {
if ( ml->sml_desc->ad_type->sat_no_user_mod ) {
continue;
}
ldap_back_map(&li->at_map, &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;
#ifdef ENABLE_REWRITE
/*
* FIXME: dn-valued attrs should be rewritten
* to allow their use in ACLs at the back-ldap
* level.
*/
if ( strcmp( ml->sml_desc->ad_type->sat_syntax->ssyn_oid,
SLAPD_DN_SYNTAX ) == 0 ) {
ldap_dnattr_rewrite( li->rwinfo,
ml->sml_bvalues, op->o_conn );
}
#endif /* ENABLE_REWRITE */
if ( ml->sml_bvalues != NULL ) {
for (j = 0; ml->sml_bvalues[j].bv_val; j++);
mods[i].mod_bvalues = (struct berval **)ch_malloc((j+1) *
sizeof(struct berval *));
for (j = 0; ml->sml_bvalues[j].bv_val; j++)
mods[i].mod_bvalues[j] = &ml->sml_bvalues[j];
mods[i].mod_bvalues[j] = NULL;
} else {
mods[i].mod_bvalues = NULL;
}
i++;
}
modv[i] = 0;
rc = ldap_modify_ext( lc->ld, mdn.bv_val, modv, op->o_ctrls, NULL, &msgid );
cleanup:;
if ( mdn.bv_val != op->o_req_dn.bv_val ) {
free( mdn.bv_val );
}
for (i=0; modv[i]; i++) {
ch_free(modv[i]->mod_bvalues);
}
ch_free( mods );
ch_free( modv );
return ldap_back_op_result( lc, op, rs, msgid, rc, 1 );
}