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-rw-r--r--ldap/c-sdk/libraries/libldap/getdn.c371
1 files changed, 371 insertions, 0 deletions
diff --git a/ldap/c-sdk/libraries/libldap/getdn.c b/ldap/c-sdk/libraries/libldap/getdn.c
new file mode 100644
index 000000000..4fab52cc6
--- /dev/null
+++ b/ldap/c-sdk/libraries/libldap/getdn.c
@@ -0,0 +1,371 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla Communicator client code, released
+ * March 31, 1998.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998-1999
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+/*
+ * Copyright (c) 1994 Regents of the University of Michigan.
+ * All rights reserved.
+ */
+/*
+ * getdn.c
+ */
+
+#if 0
+#ifndef lint
+static char copyright[] = "@(#) Copyright (c) 1990 Regents of the University of Michigan.\nAll rights reserved.\n";
+#endif
+#endif
+
+#include "ldap-int.h"
+
+char *
+LDAP_CALL
+ldap_get_dn( LDAP *ld, LDAPMessage *entry )
+{
+ char *dn;
+ struct berelement tmp;
+
+ LDAPDebug( LDAP_DEBUG_TRACE, "ldap_get_dn\n", 0, 0, 0 );
+
+ if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
+ return( NULL ); /* punt */
+ }
+
+ if ( !NSLDAPI_VALID_LDAPMESSAGE_ENTRY_POINTER( entry )) {
+ LDAP_SET_LDERRNO( ld, LDAP_PARAM_ERROR, NULL, NULL );
+ return( NULL );
+ }
+
+ tmp = *entry->lm_ber; /* struct copy */
+ if ( ber_scanf( &tmp, "{a", &dn ) == LBER_ERROR ) {
+ LDAP_SET_LDERRNO( ld, LDAP_DECODING_ERROR, NULL, NULL );
+ return( NULL );
+ }
+
+ return( dn );
+}
+
+char *
+LDAP_CALL
+ldap_dn2ufn( const char *dn )
+{
+ char *p, *ufn, *r;
+ size_t plen;
+ int state;
+
+ LDAPDebug( LDAP_DEBUG_TRACE, "ldap_dn2ufn\n", 0, 0, 0 );
+
+ if ( dn == NULL ) {
+ dn = "";
+ }
+
+ if ( ldap_is_dns_dn( dn ) || ( p = strchr( dn, '=' )) == NULL )
+ return( nsldapi_strdup( (char *)dn ));
+
+ ufn = nsldapi_strdup( ++p );
+
+#define INQUOTE 1
+#define OUTQUOTE 2
+ state = OUTQUOTE;
+ for ( p = ufn, r = ufn; *p; p += plen ) {
+ plen = 1;
+ switch ( *p ) {
+ case '\\':
+ if ( *++p == '\0' )
+ plen=0;
+ else {
+ *r++ = '\\';
+ r += (plen = LDAP_UTF8COPY(r,p));
+ }
+ break;
+ case '"':
+ if ( state == INQUOTE )
+ state = OUTQUOTE;
+ else
+ state = INQUOTE;
+ *r++ = *p;
+ break;
+ case ';':
+ case ',':
+ if ( state == OUTQUOTE )
+ *r++ = ',';
+ else
+ *r++ = *p;
+ break;
+ case '=':
+ if ( state == INQUOTE )
+ *r++ = *p;
+ else {
+ char *rsave = r;
+ LDAP_UTF8DEC(r);
+ *rsave = '\0';
+ while ( !ldap_utf8isspace( r ) && *r != ';'
+ && *r != ',' && r > ufn )
+ LDAP_UTF8DEC(r);
+ LDAP_UTF8INC(r);
+
+ if ( strcasecmp( r, "c" )
+ && strcasecmp( r, "o" )
+ && strcasecmp( r, "ou" )
+ && strcasecmp( r, "st" )
+ && strcasecmp( r, "l" )
+ && strcasecmp( r, "dc" )
+ && strcasecmp( r, "uid" )
+ && strcasecmp( r, "cn" ) ) {
+ r = rsave;
+ *r++ = '=';
+ }
+ }
+ break;
+ default:
+ r += (plen = LDAP_UTF8COPY(r,p));
+ break;
+ }
+ }
+ *r = '\0';
+
+ return( ufn );
+}
+
+char **
+LDAP_CALL
+ldap_explode_dns( const char *dn )
+{
+ int ncomps, maxcomps;
+ char *s, *cpydn;
+ char **rdns;
+#ifdef HAVE_STRTOK_R /* defined in portable.h */
+ char *lasts;
+#endif
+
+ if ( dn == NULL ) {
+ dn = "";
+ }
+
+ if ( (rdns = (char **)NSLDAPI_MALLOC( 8 * sizeof(char *) )) == NULL ) {
+ return( NULL );
+ }
+
+ maxcomps = 8;
+ ncomps = 0;
+ cpydn = nsldapi_strdup( (char *)dn );
+ for ( s = STRTOK( cpydn, "@.", &lasts ); s != NULL;
+ s = STRTOK( NULL, "@.", &lasts ) ) {
+ if ( ncomps == maxcomps ) {
+ maxcomps *= 2;
+ if ( (rdns = (char **)NSLDAPI_REALLOC( rdns, maxcomps *
+ sizeof(char *) )) == NULL ) {
+ NSLDAPI_FREE( cpydn );
+ return( NULL );
+ }
+ }
+ rdns[ncomps++] = nsldapi_strdup( s );
+ }
+ rdns[ncomps] = NULL;
+ NSLDAPI_FREE( cpydn );
+
+ return( rdns );
+}
+
+#define LDAP_DN 1
+#define LDAP_RDN 2
+
+static char **
+ldap_explode( const char *dn, const int notypes, const int nametype )
+{
+ char *p, *q, *rdnstart, **rdns = NULL;
+ size_t plen = 0;
+ int state = 0;
+ int count = 0;
+ int startquote = 0;
+ int endquote = 0;
+ int len = 0;
+ int goteq = 0;
+
+ LDAPDebug( LDAP_DEBUG_TRACE, "ldap_explode\n", 0, 0, 0 );
+
+ if ( dn == NULL ) {
+ dn = "";
+ }
+
+#if 0
+ if ( ldap_is_dns_dn( dn ) ) {
+ return( ldap_explode_dns( dn ) );
+ }
+#endif
+
+ while ( ldap_utf8isspace( (char *)dn )) { /* ignore leading spaces */
+ ++dn;
+ }
+
+ p = rdnstart = (char *) dn;
+ state = OUTQUOTE;
+
+ do {
+ p += plen;
+ plen = 1;
+ switch ( *p ) {
+ case '\\':
+ if ( *++p == '\0' )
+ p--;
+ else
+ plen = LDAP_UTF8LEN(p);
+ break;
+ case '"':
+ if ( state == INQUOTE )
+ state = OUTQUOTE;
+ else
+ state = INQUOTE;
+ break;
+ case '+': if ( nametype != LDAP_RDN ) break;
+ case ';':
+ case ',':
+ case '\0':
+ if ( state == OUTQUOTE ) {
+ /*
+ * semicolon and comma are not valid RDN
+ * separators.
+ */
+ if ( nametype == LDAP_RDN &&
+ ( *p == ';' || *p == ',' || !goteq)) {
+ ldap_charray_free( rdns );
+ return NULL;
+ }
+ if ( (*p == ',' || *p == ';') && !goteq ) {
+ /* If we get here, we have a case similar
+ * to <attr>=<value>,<string>,<attr>=<value>
+ * This is not a valid dn */
+ ldap_charray_free( rdns );
+ return NULL;
+ }
+ goteq = 0;
+ ++count;
+ if ( rdns == NULL ) {
+ if (( rdns = (char **)NSLDAPI_MALLOC( 8
+ * sizeof( char *))) == NULL )
+ return( NULL );
+ } else if ( count >= 8 ) {
+ if (( rdns = (char **)NSLDAPI_REALLOC(
+ rdns, (count+1) *
+ sizeof( char *))) == NULL )
+ return( NULL );
+ }
+ rdns[ count ] = NULL;
+ endquote = 0;
+ if ( notypes ) {
+ for ( q = rdnstart;
+ q < p && *q != '='; ++q ) {
+ ;
+ }
+ if ( q < p ) { /* *q == '=' */
+ rdnstart = ++q;
+ }
+ if ( *rdnstart == '"' ) {
+ startquote = 1;
+ ++rdnstart;
+ }
+
+ if ( (*(p-1) == '"') && startquote ) {
+ endquote = 1;
+ --p;
+ }
+ }
+
+ len = p - rdnstart;
+ if (( rdns[ count-1 ] = (char *)NSLDAPI_CALLOC(
+ 1, len + 1 )) != NULL ) {
+ SAFEMEMCPY( rdns[ count-1 ], rdnstart,
+ len );
+ if ( !endquote ) {
+ /* trim trailing spaces unless
+ * they are properly escaped */
+ while ( len > 0 &&
+ ldap_utf8isspace(
+ &rdns[count-1][len-1] ) &&
+ ((len == 1) || (rdns[count-1][len-2] != '\\'))) {
+ --len;
+ }
+ }
+ rdns[ count-1 ][ len ] = '\0';
+ }
+
+ /*
+ * Don't forget to increment 'p' back to where
+ * it should be. If we don't, then we will
+ * never get past an "end quote."
+ */
+ if ( endquote == 1 )
+ p++;
+
+ rdnstart = *p ? p + 1 : p;
+ while ( ldap_utf8isspace( rdnstart ))
+ ++rdnstart;
+ }
+ break;
+ case '=':
+ if ( state == OUTQUOTE ) {
+ goteq = 1;
+ }
+ /* FALL */
+ default:
+ plen = LDAP_UTF8LEN(p);
+ break;
+ }
+ } while ( *p );
+
+ return( rdns );
+}
+
+char **
+LDAP_CALL
+ldap_explode_dn( const char *dn, const int notypes )
+{
+ return( ldap_explode( dn, notypes, LDAP_DN ) );
+}
+
+char **
+LDAP_CALL
+ldap_explode_rdn( const char *rdn, const int notypes )
+{
+ return( ldap_explode( rdn, notypes, LDAP_RDN ) );
+}
+
+int
+LDAP_CALL
+ldap_is_dns_dn( const char *dn )
+{
+ return( dn != NULL && dn[ 0 ] != '\0' && strchr( dn, '=' ) == NULL &&
+ strchr( dn, ',' ) == NULL );
+}