/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 2003 The OpenLDAP Foundation.
+ * Copyright 1999-2007 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
* <http://www.OpenLDAP.org/license.html>.
*/
/* ACKNOWLEDGEMENTS:
- * This work was initially developed by the Howard Chu for inclusion
+ * This work was initially developed by Howard Chu for inclusion
* in OpenLDAP Software and subsequently enhanced by Pierangelo
* Masarati.
*/
-/* This is an altered version */
-/*
- * Copyright 1999, Howard Chu, All rights reserved. <hyc@highlandsun.com>
- * Copyright 2000, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
- *
- * Module back-ldap, originally developed by Howard Chu
- *
- * has been modified by Pierangelo Masarati. The original copyright
- * notice has been maintained.
- *
- * 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.
- */
#include "portable.h"
+#ifdef SLAPD_OVER_RWM
+
#include <stdio.h>
#include <ac/string.h>
/* FIXME: after rewriting, we should also remap attributes ... */
-#ifdef ENABLE_REWRITE
+/*
+ * massages "in" and normalizes it into "ndn"
+ *
+ * "ndn" may be untouched if no massaging occurred and its value was not null
+ */
+int
+rwm_dn_massage_normalize(
+ dncookie *dc,
+ struct berval *in,
+ struct berval *ndn )
+{
+ int rc;
+ struct berval mdn = BER_BVNULL;
+
+ /* massage and normalize a DN */
+ rc = rwm_dn_massage( dc, in, &mdn );
+ if ( rc != LDAP_SUCCESS ) {
+ return rc;
+ }
+
+ if ( mdn.bv_val == in->bv_val && !BER_BVISNULL( ndn ) ) {
+ return rc;
+ }
+
+ rc = dnNormalize( 0, NULL, NULL, &mdn, ndn, NULL );
+
+ if ( mdn.bv_val != in->bv_val ) {
+ ch_free( mdn.bv_val );
+ }
+
+ return rc;
+}
+
+/*
+ * massages "in" and prettifies it into "pdn"
+ *
+ * "pdn" may be untouched if no massaging occurred and its value was not null
+ */
+int
+rwm_dn_massage_pretty(
+ dncookie *dc,
+ struct berval *in,
+ struct berval *pdn )
+{
+ int rc;
+ struct berval mdn = BER_BVNULL;
+
+ /* massage and pretty a DN */
+ rc = rwm_dn_massage( dc, in, &mdn );
+ if ( rc != LDAP_SUCCESS ) {
+ return rc;
+ }
+
+ if ( mdn.bv_val == in->bv_val && !BER_BVISNULL( pdn ) ) {
+ return rc;
+ }
+
+ rc = dnPretty( NULL, &mdn, pdn, NULL );
+
+ if ( mdn.bv_val != in->bv_val ) {
+ ch_free( mdn.bv_val );
+ }
+
+ return rc;
+}
+
+/*
+ * massages "in" and prettifies and normalizes it into "pdn" and "ndn"
+ *
+ * "pdn" may be untouched if no massaging occurred and its value was not null;
+ * "ndn" may be untouched if no massaging occurred and its value was not null;
+ * if no massage occurred and "ndn" value was not null, it is filled
+ * with the normaized value of "pdn", much like ndn = dnNormalize( pdn )
+ */
+int
+rwm_dn_massage_pretty_normalize(
+ dncookie *dc,
+ struct berval *in,
+ struct berval *pdn,
+ struct berval *ndn )
+{
+ int rc;
+ struct berval mdn = BER_BVNULL;
+
+ /* massage, pretty and normalize a DN */
+ rc = rwm_dn_massage( dc, in, &mdn );
+ if ( rc != LDAP_SUCCESS ) {
+ return rc;
+ }
+
+ if ( mdn.bv_val == in->bv_val && !BER_BVISNULL( pdn ) ) {
+ if ( BER_BVISNULL( ndn ) ) {
+ rc = dnNormalize( 0, NULL, NULL, &mdn, ndn, NULL );
+ }
+ return rc;
+ }
+
+ rc = dnPrettyNormal( NULL, &mdn, pdn, ndn, NULL );
+
+ if ( mdn.bv_val != in->bv_val ) {
+ ch_free( mdn.bv_val );
+ }
+
+ return rc;
+}
+
+/*
+ * massages "in" into "dn"
+ *
+ * "dn" may contain the value of "in" if no massage occurred
+ */
int
rwm_dn_massage(
dncookie *dc,
- struct berval *dn,
- struct berval *res
+ struct berval *in,
+ struct berval *dn
)
{
- int rc = 0;
-
- switch ( rewrite_session( dc->rwmap->rwm_rw, dc->ctx,
- (dn->bv_len ? dn->bv_val : ""),
- dc->conn, &res->bv_val ) )
- {
+ int rc = 0;
+ struct berval mdn;
+ static char *dmy = "";
+
+ assert( dc != NULL );
+ assert( in != NULL );
+ assert( dn != NULL );
+
+ rc = rewrite_session( dc->rwmap->rwm_rw, dc->ctx,
+ ( in->bv_val ? in->bv_val : dmy ),
+ dc->conn, &mdn.bv_val );
+ switch ( rc ) {
case REWRITE_REGEXEC_OK:
- if ( res->bv_val != NULL ) {
- res->bv_len = strlen( res->bv_val );
+ if ( !BER_BVISNULL( &mdn ) && mdn.bv_val != in->bv_val ) {
+ mdn.bv_len = strlen( mdn.bv_val );
+ *dn = mdn;
} else {
- *res = *dn;
+ *dn = *in;
}
-#ifdef NEW_LOGGING
- LDAP_LOG( BACK_LDAP, DETAIL1,
- "[rw] %s: \"%s\" -> \"%s\"\n", dc->ctx, dn->bv_val, res->bv_val );
-#else /* !NEW_LOGGING */
- Debug( LDAP_DEBUG_ARGS,
- "[rw] %s: \"%s\" -> \"%s\"\n", dc->ctx, dn->bv_val, res->bv_val );
-#endif /* !NEW_LOGGING */
rc = LDAP_SUCCESS;
+
+ Debug( LDAP_DEBUG_ARGS,
+ "[rw] %s: \"%s\" -> \"%s\"\n",
+ dc->ctx, in->bv_val, dn->bv_val );
break;
case REWRITE_REGEXEC_UNWILLING:
rc = LDAP_OTHER;
break;
}
- return rc;
-}
-
-#else
-/*
- * rwm_dn_massage
- *
- * Aliases the suffix; based on suffix_alias (servers/slapd/suffixalias.c).
- */
-int
-rwm_dn_massage(
- dncookie *dc,
- struct berval *odn,
- struct berval *res
-)
-{
- int i, src, dst;
- struct berval pretty = {0,NULL}, *dn = odn;
-
- assert( res );
- if ( dn == NULL ) {
- res->bv_val = NULL;
- res->bv_len = 0;
- return 0;
+ if ( mdn.bv_val == dmy ) {
+ BER_BVZERO( &mdn );
}
- if ( dc->rwmap == NULL || dc->rwmap->rwm_suffix_massage == NULL ) {
- *res = *dn;
- return 0;
- }
-
- if ( dc->tofrom ) {
- src = 0 + dc->normalized;
- dst = 2 + dc->normalized;
- } else {
- src = 2 + dc->normalized;
- dst = 0 + dc->normalized;
- /* DN from remote server may be in arbitrary form.
- * Pretty it so we can parse reliably.
- */
- dnPretty( NULL, dn, &pretty, NULL );
- if (pretty.bv_val) dn = &pretty;
- }
-
- for ( i = 0;
- dc->rwmap->rwm_suffix_massage[i].bv_val != NULL;
- i += 4 ) {
- int aliasLength = dc->rwmap->rwm_suffix_massage[i+src].bv_len;
- int diff = dn->bv_len - aliasLength;
-
- if ( diff < 0 ) {
- /* alias is longer than dn */
- continue;
- } else if ( diff > 0 && ( !DN_SEPARATOR(dn->bv_val[diff-1]))) {
- /* boundary is not at a DN separator */
- continue;
- /* At a DN Separator */
- }
- if ( !strcmp( dc->rwmap->rwm_suffix_massage[i+src].bv_val, &dn->bv_val[diff] ) ) {
- res->bv_len = diff + dc->rwmap->rwm_suffix_massage[i+dst].bv_len;
- res->bv_val = ch_malloc( res->bv_len + 1 );
- strncpy( res->bv_val, dn->bv_val, diff );
- strcpy( &res->bv_val[diff], dc->rwmap->rwm_suffix_massage[i+dst].bv_val );
-#ifdef NEW_LOGGING
- LDAP_LOG ( BACK_LDAP, ARGS,
- "rwm_dn_massage: converted \"%s\" to \"%s\"\n",
- dn->bv_val, res->bv_val, 0 );
-#else
- Debug( LDAP_DEBUG_ARGS,
- "rwm_dn_massage:"
- " converted \"%s\" to \"%s\"\n",
- dn->bv_val, res->bv_val, 0 );
-#endif
- break;
- }
- }
- if (pretty.bv_val) {
- ch_free(pretty.bv_val);
- dn = odn;
- }
- /* Nothing matched, just return the original DN */
- if (res->bv_val == NULL) {
- *res = *dn;
+ if ( dn->bv_val == dmy ) {
+ BER_BVZERO( dn );
}
- return 0;
+ return rc;
}
-#endif /* !ENABLE_REWRITE */
+
+#endif /* SLAPD_OVER_RWM */
projects / openldap / blobdiff