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lightning-sunbird  0.9+nobinonly
Functions
compare.c File Reference
#include "ldap-int.h"

Go to the source code of this file.

Functions

int LDAP_CALL ldap_compare (LDAP *ld, const char *dn, const char *attr, const char *value)
int LDAP_CALL ldap_compare_ext (LDAP *ld, const char *dn, const char *attr, const struct berval *bvalue, LDAPControl **serverctrls, LDAPControl **clientctrls, int *msgidp)
int LDAP_CALL ldap_compare_s (LDAP *ld, const char *dn, const char *attr, const char *value)
int LDAP_CALL ldap_compare_ext_s (LDAP *ld, const char *dn, const char *attr, const struct berval *bvalue, LDAPControl **serverctrls, LDAPControl **clientctrls)

Function Documentation

int LDAP_CALL ldap_compare ( LDAP *  ld,
const char *  dn,
const char *  attr,
const char *  value 
)

Definition at line 63 of file compare.c.

{
       int           msgid;
       struct berval bv;

       LDAPDebug( LDAP_DEBUG_TRACE, "ldap_compare\n", 0, 0, 0 );

       bv.bv_val = (char *)value;
       bv.bv_len = ( value == NULL ) ? 0 : strlen( value );

       if ( ldap_compare_ext( ld, dn, attr, &bv, NULL, NULL, &msgid )
           == LDAP_SUCCESS ) {
              return( msgid );
       } else {
              return( -1 ); /* error is in ld handle */
       }
}

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int LDAP_CALL ldap_compare_ext ( LDAP *  ld,
const char *  dn,
const char *  attr,
const struct berval bvalue,
LDAPControl **  serverctrls,
LDAPControl **  clientctrls,
int msgidp 
)

Definition at line 83 of file compare.c.

{
       BerElement    *ber;
       int           rc, lderr; 

       /* The compare request looks like this:
        *     CompareRequest ::= SEQUENCE {
        *            entry  DistinguishedName,
        *            ava    SEQUENCE {
        *                   type   AttributeType,
        *                   value  AttributeValue
        *            }
        *     }
        * and must be wrapped in an LDAPMessage.
        */

       LDAPDebug( LDAP_DEBUG_TRACE, "ldap_compare_ext\n", 0, 0, 0 );

       if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
              return( LDAP_PARAM_ERROR );
       }
       if ( attr == NULL || bvalue == NULL || bvalue->bv_len == 0
           || msgidp == NULL ) {
              lderr = LDAP_PARAM_ERROR;
              LDAP_SET_LDERRNO( ld, lderr, NULL, NULL );
              return( lderr );
       }
              
       if ( dn == NULL ) {
              dn = "";
       }

       LDAP_MUTEX_LOCK( ld, LDAP_MSGID_LOCK );
       *msgidp = ++ld->ld_msgid;
       LDAP_MUTEX_UNLOCK( ld, LDAP_MSGID_LOCK );

       /* check the cache */
       if ( ld->ld_cache_on && ld->ld_cache_compare != NULL ) {
              LDAP_MUTEX_LOCK( ld, LDAP_CACHE_LOCK );
              if ( (rc = (ld->ld_cache_compare)( ld, *msgidp,
                  LDAP_REQ_COMPARE, dn, attr, bvalue )) != 0 ) {
                     *msgidp = rc;
                     LDAP_MUTEX_UNLOCK( ld, LDAP_CACHE_LOCK );
                     return( LDAP_SUCCESS );
              }
              LDAP_MUTEX_UNLOCK( ld, LDAP_CACHE_LOCK );
       }

       /* create a message to send */
       if (( lderr = nsldapi_alloc_ber_with_options( ld, &ber ))
           != LDAP_SUCCESS ) {
              return( lderr );
       }

       if ( ber_printf( ber, "{it{s{so}}", *msgidp, LDAP_REQ_COMPARE, dn,
           attr, bvalue->bv_val, (int)bvalue->bv_len /* XXX lossy cast */ )
           == -1 ) {
              lderr = LDAP_ENCODING_ERROR;
              LDAP_SET_LDERRNO( ld, lderr, NULL, NULL );
              ber_free( ber, 1 );
              return( lderr );
       }

       if (( lderr = nsldapi_put_controls( ld, serverctrls, 1, ber ))
           != LDAP_SUCCESS ) {
              ber_free( ber, 1 );
              return( lderr );
       }

       /* send the message */
       rc = nsldapi_send_initial_request( ld, *msgidp, LDAP_REQ_COMPARE,
              (char *)dn, ber );
       *msgidp = rc;
       return( rc < 0 ? LDAP_GET_LDERRNO( ld, NULL, NULL ) : LDAP_SUCCESS );
}

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int LDAP_CALL ldap_compare_ext_s ( LDAP *  ld,
const char *  dn,
const char *  attr,
const struct berval bvalue,
LDAPControl **  serverctrls,
LDAPControl **  clientctrls 
)

Definition at line 176 of file compare.c.

{
       int           err, msgid;
       LDAPMessage   *res;

       if (( err = ldap_compare_ext( ld, dn, attr, bvalue, serverctrls,
           clientctrls, &msgid )) != LDAP_SUCCESS ) {
              return( err );
       }

       if ( ldap_result( ld, msgid, 1, (struct timeval *)NULL, &res )
           == -1 ) {
              return( LDAP_GET_LDERRNO( ld, NULL, NULL ) );
       }

       return( ldap_result2error( ld, res, 1 ) );
}

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int LDAP_CALL ldap_compare_s ( LDAP *  ld,
const char *  dn,
const char *  attr,
const char *  value 
)

Definition at line 163 of file compare.c.

{
       struct berval bv;

       bv.bv_val = (char *)value;
       bv.bv_len = ( value == NULL ) ? 0 : strlen( value );

       return( ldap_compare_ext_s( ld, dn, attr, &bv, NULL, NULL ));
}

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