118 lines
3.3 KiB
C
118 lines
3.3 KiB
C
/*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998-1999 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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/*
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* DNS callback functions for libldap that use the NSPR (Netscape
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* Portable Runtime) thread API.
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*
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*/
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#include "ldappr-int.h"
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static LDAPHostEnt *prldap_gethostbyname( const char *name,
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LDAPHostEnt *result, char *buffer, int buflen, int *statusp,
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void *extradata );
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static LDAPHostEnt *prldap_gethostbyaddr( const char *addr, int length,
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int type, LDAPHostEnt *result, char *buffer, int buflen,
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int *statusp, void *extradata );
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static LDAPHostEnt *prldap_convert_hostent( LDAPHostEnt *ldhp,
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PRHostEnt *prhp );
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/*
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* Install NSPR DNS functions into ld (if ld is NULL, they are installed
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* as the default functions for new LDAP * handles).
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*
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* Returns 0 if all goes well and -1 if not.
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*/
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int
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prldap_install_dns_functions( LDAP *ld )
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{
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struct ldap_dns_fns dnsfns;
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memset( &dnsfns, '\0', sizeof(struct ldap_dns_fns) );
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dnsfns.lddnsfn_bufsize = PR_NETDB_BUF_SIZE;
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dnsfns.lddnsfn_gethostbyname = prldap_gethostbyname;
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dnsfns.lddnsfn_gethostbyaddr = prldap_gethostbyaddr;
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if ( ldap_set_option( ld, LDAP_OPT_DNS_FN_PTRS, (void *)&dnsfns ) != 0 ) {
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return( -1 );
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}
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return( 0 );
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}
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static LDAPHostEnt *
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prldap_gethostbyname( const char *name, LDAPHostEnt *result,
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char *buffer, int buflen, int *statusp, void *extradata )
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{
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PRHostEnt prhent;
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if( !statusp || ( *statusp = (int)PR_GetIPNodeByName( name,
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PRLDAP_DEFAULT_ADDRESS_FAMILY, PR_AI_DEFAULT,
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buffer, buflen, &prhent )) == PR_FAILURE ) {
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return( NULL );
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}
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return( prldap_convert_hostent( result, &prhent ));
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}
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static LDAPHostEnt *
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prldap_gethostbyaddr( const char *addr, int length, int type,
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LDAPHostEnt *result, char *buffer, int buflen, int *statusp,
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void *extradata )
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{
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PRHostEnt prhent;
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PRNetAddr iaddr;
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if ( PR_SetNetAddr(PR_IpAddrNull, PRLDAP_DEFAULT_ADDRESS_FAMILY,
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0, &iaddr) == PR_FAILURE
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|| PR_StringToNetAddr( addr, &iaddr ) == PR_FAILURE ) {
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return( NULL );
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}
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if( !statusp || (*statusp = PR_GetHostByAddr(&iaddr, buffer,
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buflen, &prhent )) == PR_FAILURE ) {
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return( NULL );
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}
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return( prldap_convert_hostent( result, &prhent ));
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}
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/*
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* Function: prldap_convert_hostent()
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* Description: copy the fields of a PRHostEnt struct to an LDAPHostEnt
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* Returns: the LDAPHostEnt pointer passed in.
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*/
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static LDAPHostEnt *
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prldap_convert_hostent( LDAPHostEnt *ldhp, PRHostEnt *prhp )
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{
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ldhp->ldaphe_name = prhp->h_name;
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ldhp->ldaphe_aliases = prhp->h_aliases;
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ldhp->ldaphe_addrtype = prhp->h_addrtype;
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ldhp->ldaphe_length = prhp->h_length;
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ldhp->ldaphe_addr_list = prhp->h_addr_list;
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return( ldhp );
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}
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