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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 11:11:40 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 11:11:40 +0000
commit7731832751ab9f3c6ddeb66f186d3d7fa1934a6d (patch)
treee91015872543a59be2aad26c2fea02e41b57005d /servers/slapd/back-meta/suffixmassage.c
parentInitial commit. (diff)
downloadopenldap-7731832751ab9f3c6ddeb66f186d3d7fa1934a6d.tar.xz
openldap-7731832751ab9f3c6ddeb66f186d3d7fa1934a6d.zip
Adding upstream version 2.4.57+dfsg.upstream/2.4.57+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'servers/slapd/back-meta/suffixmassage.c')
-rw-r--r--servers/slapd/back-meta/suffixmassage.c193
1 files changed, 193 insertions, 0 deletions
diff --git a/servers/slapd/back-meta/suffixmassage.c b/servers/slapd/back-meta/suffixmassage.c
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+++ b/servers/slapd/back-meta/suffixmassage.c
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+/* suffixmassage.c - massages ldap backend dns */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2003-2021 The OpenLDAP Foundation.
+ * 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.
+ */
+/* 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"
+
+#include <stdio.h>
+
+#include <ac/string.h>
+#include <ac/socket.h>
+
+#include "slap.h"
+#include "../back-ldap/back-ldap.h"
+#include "back-meta.h"
+
+#ifdef ENABLE_REWRITE
+int
+ldap_back_dn_massage(
+ dncookie *dc,
+ struct berval *dn,
+ struct berval *res )
+{
+ int rc = 0;
+ static char *dmy = "";
+
+ switch ( rewrite_session( dc->target->mt_rwmap.rwm_rw, dc->ctx,
+ ( dn->bv_val ? dn->bv_val : dmy ),
+ dc->conn, &res->bv_val ) )
+ {
+ case REWRITE_REGEXEC_OK:
+ if ( res->bv_val != NULL ) {
+ res->bv_len = strlen( res->bv_val );
+ } else {
+ *res = *dn;
+ }
+ Debug( LDAP_DEBUG_ARGS,
+ "[rw] %s: \"%s\" -> \"%s\"\n",
+ dc->ctx,
+ BER_BVISNULL( dn ) ? "" : dn->bv_val,
+ BER_BVISNULL( res ) ? "" : res->bv_val );
+ rc = LDAP_SUCCESS;
+ break;
+
+ case REWRITE_REGEXEC_UNWILLING:
+ if ( dc->rs ) {
+ dc->rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
+ dc->rs->sr_text = "Operation not allowed";
+ }
+ rc = LDAP_UNWILLING_TO_PERFORM;
+ break;
+
+ case REWRITE_REGEXEC_ERR:
+ if ( dc->rs ) {
+ dc->rs->sr_err = LDAP_OTHER;
+ dc->rs->sr_text = "Rewrite error";
+ }
+ rc = LDAP_OTHER;
+ break;
+ }
+
+ if ( res->bv_val == dmy ) {
+ BER_BVZERO( res );
+ }
+
+ return rc;
+}
+
+#else
+/*
+ * ldap_back_dn_massage
+ *
+ * Aliases the suffix; based on suffix_alias (servers/slapd/suffixalias.c).
+ */
+int
+ldap_back_dn_massage(
+ dncookie *dc,
+ struct berval *odn,
+ struct berval *res
+)
+{
+ int i, src, dst;
+ struct berval pretty = {0,NULL}, *dn = odn;
+
+ assert( res != NULL );
+
+ if ( dn == NULL ) {
+ res->bv_val = NULL;
+ res->bv_len = 0;
+ return 0;
+ }
+ if ( dc->target->mt_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->target->mt_rwmap.rwm_suffix_massage[i].bv_val != NULL;
+ i += 4 ) {
+ int aliasLength = dc->target->mt_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->target->mt_rwmap.rwm_suffix_massage[i+src].bv_val, &dn->bv_val[diff] ) ) {
+ res->bv_len = diff + dc->target->mt_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->target->mt_rwmap.rwm_suffix_massage[i+dst].bv_val );
+ Debug( LDAP_DEBUG_ARGS,
+ "ldap_back_dn_massage:"
+ " converted \"%s\" to \"%s\"\n",
+ BER_BVISNULL( dn ) ? "" : dn->bv_val,
+ BER_BVISNULL( res ) ? "" : res->bv_val, 0 );
+ 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;
+ }
+
+ return 0;
+}
+#endif /* !ENABLE_REWRITE */