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365 lines
8.0 KiB
C
365 lines
8.0 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998-1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* Copyright (c) 1994 Regents of the University of Michigan.
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* All rights reserved.
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*/
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/*
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* getdn.c
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*/
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#if 0
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#ifndef lint
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static char copyright[] = "@(#) Copyright (c) 1990 Regents of the University of Michigan.\nAll rights reserved.\n";
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#endif
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#endif
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#include "ldap-int.h"
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char *
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LDAP_CALL
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ldap_get_dn( LDAP *ld, LDAPMessage *entry )
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{
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char *dn;
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struct berelement tmp;
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LDAPDebug( LDAP_DEBUG_TRACE, "ldap_get_dn\n", 0, 0, 0 );
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if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
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return( NULL ); /* punt */
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}
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if ( !NSLDAPI_VALID_LDAPMESSAGE_ENTRY_POINTER( entry )) {
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LDAP_SET_LDERRNO( ld, LDAP_PARAM_ERROR, NULL, NULL );
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return( NULL );
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}
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tmp = *entry->lm_ber; /* struct copy */
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if ( ber_scanf( &tmp, "{a", &dn ) == LBER_ERROR ) {
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LDAP_SET_LDERRNO( ld, LDAP_DECODING_ERROR, NULL, NULL );
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return( NULL );
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}
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return( dn );
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}
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char *
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LDAP_CALL
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ldap_dn2ufn( const char *dn )
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{
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char *p, *ufn, *r;
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size_t plen;
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int state;
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LDAPDebug( LDAP_DEBUG_TRACE, "ldap_dn2ufn\n", 0, 0, 0 );
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if ( dn == NULL ) {
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dn = "";
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}
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if ( ldap_is_dns_dn( dn ) || ( p = strchr( dn, '=' )) == NULL )
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return( nsldapi_strdup( (char *)dn ));
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ufn = nsldapi_strdup( ++p );
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#define INQUOTE 1
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#define OUTQUOTE 2
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state = OUTQUOTE;
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for ( p = ufn, r = ufn; *p; p += plen ) {
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plen = 1;
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switch ( *p ) {
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case '\\':
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if ( *++p == '\0' )
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plen=0;
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else {
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*r++ = '\\';
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r += (plen = LDAP_UTF8COPY(r,p));
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}
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break;
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case '"':
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if ( state == INQUOTE )
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state = OUTQUOTE;
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else
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state = INQUOTE;
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*r++ = *p;
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break;
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case ';':
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case ',':
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if ( state == OUTQUOTE )
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*r++ = ',';
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else
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*r++ = *p;
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break;
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case '=':
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if ( state == INQUOTE )
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*r++ = *p;
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else {
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char *rsave = r;
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LDAP_UTF8DEC(r);
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*rsave = '\0';
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while ( !ldap_utf8isspace( r ) && *r != ';'
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&& *r != ',' && r > ufn )
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LDAP_UTF8DEC(r);
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LDAP_UTF8INC(r);
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if ( strcasecmp( r, "c" )
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&& strcasecmp( r, "o" )
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&& strcasecmp( r, "ou" )
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&& strcasecmp( r, "st" )
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&& strcasecmp( r, "l" )
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&& strcasecmp( r, "dc" )
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&& strcasecmp( r, "uid" )
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&& strcasecmp( r, "cn" ) ) {
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r = rsave;
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*r++ = '=';
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}
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}
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break;
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default:
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r += (plen = LDAP_UTF8COPY(r,p));
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break;
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}
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}
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*r = '\0';
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return( ufn );
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}
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char **
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LDAP_CALL
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ldap_explode_dns( const char *dn )
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{
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int ncomps, maxcomps;
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char *s, *cpydn;
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char **rdns;
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#ifdef HAVE_STRTOK_R /* defined in portable.h */
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char *lasts;
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#endif
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if ( dn == NULL ) {
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dn = "";
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}
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if ( (rdns = (char **)NSLDAPI_MALLOC( 8 * sizeof(char *) )) == NULL ) {
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return( NULL );
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}
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maxcomps = 8;
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ncomps = 0;
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cpydn = nsldapi_strdup( (char *)dn );
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for ( s = STRTOK( cpydn, "@.", &lasts ); s != NULL;
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s = STRTOK( NULL, "@.", &lasts ) ) {
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if ( ncomps == maxcomps ) {
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maxcomps *= 2;
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if ( (rdns = (char **)NSLDAPI_REALLOC( rdns, maxcomps *
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sizeof(char *) )) == NULL ) {
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NSLDAPI_FREE( cpydn );
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return( NULL );
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}
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}
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rdns[ncomps++] = nsldapi_strdup( s );
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}
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rdns[ncomps] = NULL;
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NSLDAPI_FREE( cpydn );
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return( rdns );
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}
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#define LDAP_DN 1
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#define LDAP_RDN 2
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static char **
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ldap_explode( const char *dn, const int notypes, const int nametype )
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{
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char *p, *q, *rdnstart, **rdns = NULL;
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size_t plen = 0;
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int state, count = 0, endquote, len, goteq;
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LDAPDebug( LDAP_DEBUG_TRACE, "ldap_explode\n", 0, 0, 0 );
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if ( dn == NULL ) {
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dn = "";
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}
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#if 0
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if ( ldap_is_dns_dn( dn ) ) {
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return( ldap_explode_dns( dn ) );
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}
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#endif
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while ( ldap_utf8isspace( (char *)dn )) { /* ignore leading spaces */
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++dn;
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}
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p = rdnstart = (char *) dn;
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state = OUTQUOTE;
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goteq = 0;
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do {
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p += plen;
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plen = 1;
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switch ( *p ) {
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case '\\':
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if ( *++p == '\0' )
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p--;
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else
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plen = LDAP_UTF8LEN(p);
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break;
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case '"':
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if ( state == INQUOTE )
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state = OUTQUOTE;
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else
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state = INQUOTE;
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break;
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case '+': if ( nametype != LDAP_RDN ) break;
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case ';':
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case ',':
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case '\0':
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if ( state == OUTQUOTE ) {
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/*
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* semicolon and comma are not valid RDN
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* separators.
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*/
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if ( nametype == LDAP_RDN &&
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( *p == ';' || *p == ',' || !goteq)) {
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ldap_charray_free( rdns );
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return NULL;
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}
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if ( (*p == ',' || *p == ';') && !goteq ) {
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/* If we get here, we have a case similar
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* to <attr>=<value>,<string>,<attr>=<value>
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* This is not a valid dn */
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ldap_charray_free( rdns );
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return NULL;
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}
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goteq = 0;
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++count;
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if ( rdns == NULL ) {
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if (( rdns = (char **)NSLDAPI_MALLOC( 8
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* sizeof( char *))) == NULL )
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return( NULL );
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} else if ( count >= 8 ) {
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if (( rdns = (char **)NSLDAPI_REALLOC(
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rdns, (count+1) *
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sizeof( char *))) == NULL )
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return( NULL );
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}
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rdns[ count ] = NULL;
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endquote = 0;
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if ( notypes ) {
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for ( q = rdnstart;
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q < p && *q != '='; ++q ) {
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;
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}
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if ( q < p ) { /* *q == '=' */
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rdnstart = ++q;
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}
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if ( *rdnstart == '"' ) {
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++rdnstart;
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}
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if ( *(p-1) == '"' ) {
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endquote = 1;
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--p;
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}
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}
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len = p - rdnstart;
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if (( rdns[ count-1 ] = (char *)NSLDAPI_CALLOC(
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1, len + 1 )) != NULL ) {
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SAFEMEMCPY( rdns[ count-1 ], rdnstart,
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len );
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if ( !endquote ) {
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/* trim trailing spaces */
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while ( len > 0 &&
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ldap_utf8isspace(
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&rdns[count-1][len-1] )) {
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--len;
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}
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}
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rdns[ count-1 ][ len ] = '\0';
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}
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/*
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* Don't forget to increment 'p' back to where
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* it should be. If we don't, then we will
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* never get past an "end quote."
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*/
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if ( endquote == 1 )
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p++;
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rdnstart = *p ? p + 1 : p;
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while ( ldap_utf8isspace( rdnstart ))
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++rdnstart;
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}
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break;
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case '=':
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if ( state == OUTQUOTE ) {
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goteq = 1;
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}
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/* FALL */
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default:
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plen = LDAP_UTF8LEN(p);
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break;
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}
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} while ( *p );
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return( rdns );
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}
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char **
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LDAP_CALL
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ldap_explode_dn( const char *dn, const int notypes )
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{
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return( ldap_explode( dn, notypes, LDAP_DN ) );
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}
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char **
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LDAP_CALL
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ldap_explode_rdn( const char *rdn, const int notypes )
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{
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return( ldap_explode( rdn, notypes, LDAP_RDN ) );
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}
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int
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LDAP_CALL
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ldap_is_dns_dn( const char *dn )
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{
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return( dn != NULL && dn[ 0 ] != '\0' && strchr( dn, '=' ) == NULL &&
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strchr( dn, ',' ) == NULL );
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}
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