openldap/servers/slapd/back-ldap/modify.c
2002-01-04 21:17:25 +00:00

166 lines
4.4 KiB
C

/* modify.c - ldap backend modify function */
/* $OpenLDAP$ */
/*
* Copyright 1998-2002 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(
Backend *be,
Connection *conn,
Operation *op,
struct berval *dn,
struct berval *ndn,
Modifications *modlist
)
{
struct ldapinfo *li = (struct ldapinfo *) be->be_private;
struct ldapconn *lc;
LDAPMod **modv = NULL;
LDAPMod *mods;
Modifications *ml;
int i, j;
struct berval mapped;
struct berval mdn = { 0, NULL };
lc = ldap_back_getconn(li, conn, op);
if ( !lc || !ldap_back_dobind( lc, op ) ) {
return( -1 );
}
/*
* Rewrite the modify dn, if needed
*/
#ifdef ENABLE_REWRITE
switch ( rewrite_session( li->rwinfo, "modifyDn", dn->bv_val, conn, &mdn.bv_val ) ) {
case REWRITE_REGEXEC_OK:
if ( mdn.bv_val == NULL ) {
mdn.bv_val = ( char * )dn->bv_val;
}
#ifdef NEW_LOGGING
LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
"[rw] modifyDn: \"%s\" -> \"%s\"\n", dn->bv_val, mdn.bv_val ));
#else /* !NEW_LOGGING */
Debug( LDAP_DEBUG_ARGS, "rw> modifyDn: \"%s\" -> \"%s\"\n%s",
dn->bv_val, mdn.bv_val, "" );
#endif /* !NEW_LOGGING */
break;
case REWRITE_REGEXEC_UNWILLING:
send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM,
NULL, "Unwilling to perform", NULL, NULL );
return( -1 );
case REWRITE_REGEXEC_ERR:
send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
NULL, "Operations error", NULL, NULL );
return( -1 );
}
#else /* !ENABLE_REWRITE */
ldap_back_dn_massage( li, dn, &mdn, 0, 1 );
#endif /* !ENABLE_REWRITE */
for (i=0, ml=modlist; ml; i++,ml=ml->sml_next)
;
mods = (LDAPMod *)ch_malloc(i*sizeof(LDAPMod));
if (mods == NULL) {
goto cleanup;
}
modv = (LDAPMod **)ch_malloc((i+1)*sizeof(LDAPMod *));
if (modv == NULL) {
goto cleanup;
}
for (i=0, ml=modlist; ml; ml=ml->sml_next) {
ldap_back_map(&li->at_map, &ml->sml_desc->ad_cname, &mapped, 0);
if (mapped.bv_val == NULL) {
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, conn );
}
#endif /* ENABLE_REWRITE */
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;
i++;
}
modv[i] = 0;
ldap_modify_s( lc->ld, mdn.bv_val, modv );
cleanup:;
#ifdef ENABLE_REWRITE
if ( mdn.bv_val != dn->bv_val ) {
#endif /* ENABLE_REWRITE */
free( mdn.bv_val );
#ifdef ENABLE_REWRITE
}
#endif /* ENABLE_REWRITE */
for (i=0; modv[i]; i++)
free(modv[i]->mod_bvalues);
free(mods);
free(modv);
return( ldap_back_op_result( lc, op ));
}