mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-21 03:10:25 +08:00
248 lines
4.3 KiB
C
248 lines
4.3 KiB
C
/*
|
|
* Copyright (c) 1994 Regents of the University of Michigan.
|
|
* All rights reserved.
|
|
*
|
|
* getdn.c
|
|
*/
|
|
|
|
#include "portable.h"
|
|
|
|
#ifndef lint
|
|
static char copyright[] = "@(#) Copyright (c) 1990 Regents of the University of Michigan.\nAll rights reserved.\n";
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <ac/ctype.h>
|
|
#include <ac/socket.h>
|
|
#include <ac/string.h>
|
|
#include <ac/time.h>
|
|
|
|
#include "lber.h"
|
|
#include "ldap.h"
|
|
|
|
char *
|
|
ldap_get_dn( LDAP *ld, LDAPMessage *entry )
|
|
{
|
|
char *dn;
|
|
BerElement tmp;
|
|
|
|
Debug( LDAP_DEBUG_TRACE, "ldap_get_dn\n", 0, 0, 0 );
|
|
|
|
if ( entry == NULL ) {
|
|
ld->ld_errno = LDAP_PARAM_ERROR;
|
|
return( NULL );
|
|
}
|
|
|
|
tmp = *entry->lm_ber; /* struct copy */
|
|
if ( ber_scanf( &tmp, "{a", &dn ) == LBER_ERROR ) {
|
|
ld->ld_errno = LDAP_DECODING_ERROR;
|
|
return( NULL );
|
|
}
|
|
|
|
return( dn );
|
|
}
|
|
|
|
char *
|
|
ldap_dn2ufn( char *dn )
|
|
{
|
|
char *p, *ufn, *r;
|
|
int state;
|
|
|
|
Debug( LDAP_DEBUG_TRACE, "ldap_dn2ufn\n", 0, 0, 0 );
|
|
|
|
if ( ldap_is_dns_dn( dn ) || ( p = strchr( dn, '=' )) == NULL )
|
|
return( strdup( dn ));
|
|
|
|
ufn = strdup( ++p );
|
|
|
|
#define INQUOTE 1
|
|
#define OUTQUOTE 2
|
|
state = OUTQUOTE;
|
|
for ( p = ufn, r = ufn; *p; p++ ) {
|
|
switch ( *p ) {
|
|
case '\\':
|
|
if ( *++p == '\0' )
|
|
p--;
|
|
else {
|
|
*r++ = '\\';
|
|
*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;
|
|
|
|
*r-- = '\0';
|
|
while ( !isspace( *r ) && *r != ';'
|
|
&& *r != ',' && r > ufn )
|
|
r--;
|
|
r++;
|
|
|
|
if ( strcasecmp( r, "c" )
|
|
&& strcasecmp( r, "o" )
|
|
&& strcasecmp( r, "ou" )
|
|
&& strcasecmp( r, "st" )
|
|
&& strcasecmp( r, "l" )
|
|
&& strcasecmp( r, "cn" ) ) {
|
|
r = rsave;
|
|
*r++ = '=';
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
*r++ = *p;
|
|
break;
|
|
}
|
|
}
|
|
*r = '\0';
|
|
|
|
return( ufn );
|
|
}
|
|
|
|
char **
|
|
ldap_explode_dns( char *dn )
|
|
{
|
|
int ncomps, maxcomps;
|
|
char *s;
|
|
char **rdns;
|
|
|
|
if ( (rdns = (char **) malloc( 8 * sizeof(char *) )) == NULL ) {
|
|
return( NULL );
|
|
}
|
|
|
|
maxcomps = 8;
|
|
ncomps = 0;
|
|
for ( s = strtok( dn, "@." ); s != NULL; s = strtok( NULL, "@." ) ) {
|
|
if ( ncomps == maxcomps ) {
|
|
maxcomps *= 2;
|
|
if ( (rdns = (char **) realloc( rdns, maxcomps *
|
|
sizeof(char *) )) == NULL ) {
|
|
return( NULL );
|
|
}
|
|
}
|
|
rdns[ncomps++] = strdup( s );
|
|
}
|
|
rdns[ncomps] = NULL;
|
|
|
|
return( rdns );
|
|
}
|
|
|
|
char **
|
|
ldap_explode_dn( char *dn, int notypes )
|
|
{
|
|
char *p, *q, *rdnstart, **rdns = NULL;
|
|
int state, count = 0, endquote, len;
|
|
|
|
Debug( LDAP_DEBUG_TRACE, "ldap_explode_dn\n", 0, 0, 0 );
|
|
|
|
if ( ldap_is_dns_dn( dn ) ) {
|
|
return( ldap_explode_dns( dn ) );
|
|
}
|
|
|
|
rdnstart = dn;
|
|
p = dn-1;
|
|
state = OUTQUOTE;
|
|
|
|
do {
|
|
|
|
++p;
|
|
switch ( *p ) {
|
|
case '\\':
|
|
if ( *++p == '\0' )
|
|
p--;
|
|
break;
|
|
case '"':
|
|
if ( state == INQUOTE )
|
|
state = OUTQUOTE;
|
|
else
|
|
state = INQUOTE;
|
|
break;
|
|
case ';':
|
|
case ',':
|
|
case '\0':
|
|
if ( state == OUTQUOTE ) {
|
|
++count;
|
|
if ( rdns == NULL ) {
|
|
if (( rdns = (char **)malloc( 8
|
|
* sizeof( char *))) == NULL )
|
|
return( NULL );
|
|
} else if ( count >= 8 ) {
|
|
if (( rdns = (char **)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 ) {
|
|
rdnstart = ++q;
|
|
}
|
|
if ( *rdnstart == '"' ) {
|
|
++rdnstart;
|
|
}
|
|
|
|
if ( *(p-1) == '"' ) {
|
|
endquote = 1;
|
|
--p;
|
|
}
|
|
}
|
|
|
|
len = p - rdnstart;
|
|
if (( rdns[ count-1 ] = (char *)calloc( 1,
|
|
len + 1 )) != NULL ) {
|
|
SAFEMEMCPY( rdns[ count-1 ], rdnstart,
|
|
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 ( isspace( *rdnstart ))
|
|
++rdnstart;
|
|
}
|
|
break;
|
|
}
|
|
} while ( *p );
|
|
|
|
return( rdns );
|
|
}
|
|
|
|
|
|
int
|
|
ldap_is_dns_dn( char *dn )
|
|
{
|
|
return( dn[ 0 ] != '\0' && strchr( dn, '=' ) == NULL &&
|
|
strchr( dn, ',' ) == NULL );
|
|
}
|
|
|