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/* ***** 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 ***** */
/*
* DNS callback functions for libldap that use the NSPR (Netscape
* Portable Runtime) thread API.
*
*/
#include "ldappr-int.h"
static LDAPHostEnt *prldap_gethostbyname( const char *name,
LDAPHostEnt *result, char *buffer, int buflen, int *statusp,
void *extradata );
static LDAPHostEnt *prldap_gethostbyaddr( const char *addr, int length,
int type, LDAPHostEnt *result, char *buffer, int buflen,
int *statusp, void *extradata );
static int prldap_getpeername( LDAP *ld, struct sockaddr *addr,
char *buffer, int buflen );
static LDAPHostEnt *prldap_convert_hostent( LDAPHostEnt *ldhp,
PRHostEnt *prhp );
/*
* Install NSPR DNS functions into ld (if ld is NULL, they are installed
* as the default functions for new LDAP * handles).
*
* Returns 0 if all goes well and -1 if not.
*/
int
prldap_install_dns_functions( LDAP *ld )
{
struct ldap_dns_fns dnsfns;
memset( &dnsfns, '\0', sizeof(struct ldap_dns_fns) );
dnsfns.lddnsfn_bufsize = PR_NETDB_BUF_SIZE;
dnsfns.lddnsfn_gethostbyname = prldap_gethostbyname;
dnsfns.lddnsfn_gethostbyaddr = prldap_gethostbyaddr;
dnsfns.lddnsfn_getpeername = prldap_getpeername;
if ( ldap_set_option( ld, LDAP_OPT_DNS_FN_PTRS, (void *)&dnsfns ) != 0 ) {
return( -1 );
}
return( 0 );
}
static LDAPHostEnt *
prldap_gethostbyname( const char *name, LDAPHostEnt *result,
char *buffer, int buflen, int *statusp, void *extradata )
{
PRHostEnt prhent;
if( !statusp || ( *statusp = (int)PR_GetIPNodeByName( name,
PRLDAP_DEFAULT_ADDRESS_FAMILY, PR_AI_DEFAULT,
buffer, buflen, &prhent )) == PR_FAILURE ) {
return( NULL );
}
return( prldap_convert_hostent( result, &prhent ));
}
static LDAPHostEnt *
prldap_gethostbyaddr( const char *addr, int length, int type,
LDAPHostEnt *result, char *buffer, int buflen, int *statusp,
void *extradata )
{
PRHostEnt prhent;
PRNetAddr iaddr;
if ( NULL == statusp ) {
return( NULL );
}
memset( &iaddr, 0, sizeof( iaddr ));
if ( PR_StringToNetAddr( addr, &iaddr ) == PR_FAILURE ) {
return( NULL );
}
PRLDAP_SET_PORT( &iaddr, 0 );
if( PR_FAILURE == (*statusp =
PR_GetHostByAddr(&iaddr, buffer, buflen, &prhent ))) {
return( NULL );
}
return( prldap_convert_hostent( result, &prhent ));
}
static int
prldap_getpeername( LDAP *ld, struct sockaddr *addr, char *buffer, int buflen)
{
PRLDAPIOSocketArg *sa;
PRNetAddr iaddr;
int ret;
if (NULL != ld) {
ret = prldap_socket_arg_from_ld( ld, &sa );
if (ret != LDAP_SUCCESS) {
return (-1);
}
ret = PR_GetPeerName(sa->prsock_prfd, &iaddr);
if( ret == PR_FAILURE ) {
return( -1 );
}
*addr = *((struct sockaddr *)&iaddr.raw);
ret = PR_NetAddrToString(&iaddr, buffer, buflen);
if( ret == PR_FAILURE ) {
return( -1 );
}
return (0);
}
return (-1);
}
/*
* Function: prldap_convert_hostent()
* Description: copy the fields of a PRHostEnt struct to an LDAPHostEnt
* Returns: the LDAPHostEnt pointer passed in.
*/
static LDAPHostEnt *
prldap_convert_hostent( LDAPHostEnt *ldhp, PRHostEnt *prhp )
{
ldhp->ldaphe_name = prhp->h_name;
ldhp->ldaphe_aliases = prhp->h_aliases;
ldhp->ldaphe_addrtype = prhp->h_addrtype;
ldhp->ldaphe_length = prhp->h_length;
ldhp->ldaphe_addr_list = prhp->h_addr_list;
return( ldhp );
}
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