openldap/servers/slapd/back-ldap/modify.c
2001-06-03 08:53:13 +00:00

158 lines
4.0 KiB
C

/* modify.c - ldap backend modify function */
/* $OpenLDAP$ */
/*
* Copyright 1998-1999 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,
const char *dn,
const char *ndn,
Modifications *modlist
)
{
struct ldapinfo *li = (struct ldapinfo *) be->be_private;
struct ldapconn *lc;
LDAPMod **modv;
LDAPMod *mods;
Modifications *ml;
int i;
char *mdn = NULL, *mapped;
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, conn, &mdn ) ) {
case REWRITE_REGEXEC_OK:
if ( mdn == NULL ) {
mdn = ( char * )dn;
}
#ifdef NEW_LOGGING
LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
"[rw] modifyDn: \"%s\" -> \"%s\"\n", dn, mdn ));
#else /* !NEW_LOGGING */
Debug( LDAP_DEBUG_ARGS, "rw> modifyDn: \"%s\" -> \"%s\"\n%s",
dn, mdn, "" );
#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 */
mdn = ldap_back_dn_massage( li, ch_strdup( dn ), 0 );
#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) {
mapped = ldap_back_map(&li->at_map, ml->sml_desc->ad_cname->bv_val, 0);
if (mapped == NULL) {
continue;
}
modv[i] = &mods[i];
mods[i].mod_op = ml->sml_op | LDAP_MOD_BVALUES;
mods[i].mod_type = mapped;
#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 */
mods[i].mod_bvalues = ml->sml_bvalues;
i++;
}
modv[i] = 0;
ldap_modify_s( lc->ld, mdn, modv );
cleanup:;
#ifdef ENABLE_REWRITE
if ( mdn != dn ) {
#endif /* ENABLE_REWRITE */
free( mdn );
#ifdef ENABLE_REWRITE
}
#endif /* ENABLE_REWRITE */
free(mods);
free(modv);
return( ldap_back_op_result( lc, op ));
}