1 /* suffixmassage.c - massages ldap backend dns */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 1999-2004 The OpenLDAP Foundation.
6 * Portions Copyright 1999-2003 Howard Chu.
7 * Portions Copyright 2000-2003 Pierangelo Masarati.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted only as authorized by the OpenLDAP
14 * A copy of this license is available in the file LICENSE in the
15 * top-level directory of the distribution or, alternatively, at
16 * <http://www.OpenLDAP.org/license.html>.
19 * This work was initially developed by the Howard Chu for inclusion
20 * in OpenLDAP Software and subsequently enhanced by Pierangelo
29 #include <ac/string.h>
30 #include <ac/socket.h>
33 #include "back-ldap.h"
45 rc = rewrite_session( dc->rwmap->rwm_rw, dc->ctx,
46 ( dn->bv_len ? dn->bv_val : "" ), dc->conn,
50 case REWRITE_REGEXEC_OK:
51 if ( res->bv_val != NULL ) {
52 res->bv_len = strlen( res->bv_val );
57 LDAP_LOG( BACK_LDAP, DETAIL1,
58 "[rw] %s: \"%s\" -> \"%s\"\n",
59 dc->ctx, dn->bv_val, res->bv_val );
60 #else /* !NEW_LOGGING */
61 Debug( LDAP_DEBUG_ARGS,
62 "[rw] %s: \"%s\" -> \"%s\"\n",
63 dc->ctx, dn->bv_val, res->bv_val );
64 #endif /* !NEW_LOGGING */
68 case REWRITE_REGEXEC_UNWILLING:
70 dc->rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
71 dc->rs->sr_text = "Operation not allowed";
73 rc = LDAP_UNWILLING_TO_PERFORM;
76 case REWRITE_REGEXEC_ERR:
78 dc->rs->sr_err = LDAP_OTHER;
79 dc->rs->sr_text = "Rewrite error";
89 * ldap_back_dn_massage
91 * Aliases the suffix; based on suffix_alias (servers/slapd/suffixalias.c).
101 struct berval pretty = {0,NULL}, *dn = odn;
110 if ( dc->rwmap == NULL || dc->rwmap->rwm_suffix_massage == NULL ) {
116 src = 0 + dc->normalized;
117 dst = 2 + dc->normalized;
119 src = 2 + dc->normalized;
120 dst = 0 + dc->normalized;
121 /* DN from remote server may be in arbitrary form.
122 * Pretty it so we can parse reliably.
124 dnPretty( NULL, dn, &pretty, NULL );
125 if (pretty.bv_val) dn = &pretty;
129 dc->rwmap->rwm_suffix_massage[i].bv_val != NULL;
131 int aliasLength = dc->rwmap->rwm_suffix_massage[i+src].bv_len;
132 int diff = dn->bv_len - aliasLength;
135 /* alias is longer than dn */
137 } else if ( diff > 0 && ( !DN_SEPARATOR(dn->bv_val[diff-1]))) {
138 /* boundary is not at a DN separator */
140 /* At a DN Separator */
143 if ( !strcasecmp( dc->rwmap->rwm_suffix_massage[i+src].bv_val, &dn->bv_val[diff] ) ) {
144 res->bv_len = diff + dc->rwmap->rwm_suffix_massage[i+dst].bv_len;
145 res->bv_val = ch_malloc( res->bv_len + 1 );
146 strncpy( res->bv_val, dn->bv_val, diff );
147 strcpy( &res->bv_val[diff], dc->rwmap->rwm_suffix_massage[i+dst].bv_val );
149 LDAP_LOG ( BACK_LDAP, ARGS,
150 "ldap_back_dn_massage: converted \"%s\" to \"%s\"\n",
151 dn->bv_val, res->bv_val, 0 );
153 Debug( LDAP_DEBUG_ARGS,
154 "ldap_back_dn_massage:"
155 " converted \"%s\" to \"%s\"\n",
156 dn->bv_val, res->bv_val, 0 );
162 ch_free(pretty.bv_val);
165 /* Nothing matched, just return the original DN */
166 if (res->bv_val == NULL) {
172 #endif /* !ENABLE_REWRITE */