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/*
* The Spread Toolkit.
*
* The contents of this file are subject to the Spread Open-Source
* License, Version 1.0 (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.spread.org/license/
*
* or in the file ``license.txt'' found in this distribution.
*
* 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 Creators of Spread are:
* Yair Amir, Michal Miskin-Amir, Jonathan Stanton.
*
* Copyright (C) 1993-2004 Spread Concepts LLC <spread@spreadconcepts.com>
*
* All Rights Reserved.
*
* Major Contributor(s):
* ---------------
* Cristina Nita-Rotaru crisn@cs.purdue.edu - group communication security.
* Theo Schlossnagle jesus@omniti.com - Perl, skiplists, autoconf.
* Dan Schoenblum dansch@cnds.jhu.edu - Java interface.
* John Schultz jschultz@cnds.jhu.edu - contribution to process group membership.
*
*/
/* Implements the functions required by the client side SP library
* to authenticates users based on a clear-text password that they send to
* the daemon.
*
*/
#include "arch.h"
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#ifndef ARCH_PC_WIN95
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#else /* ARCH_PC_WIN95 */
#include <winsock.h>
#endif /* ARCH_PC_WIN95 */
#include "auth-pword-client.h"
int pword_authenticate(int fd, void *data_p)
{
struct user_password *user_p;
int ret;
char response;
user_p = data_p;
/* Send username and password */
while(((ret = send( fd, user_p->username, MAX_PWORD_USERNAME, 0 )) == -1) && ((sock_errno == EINTR) || (sock_errno == EAGAIN) || (sock_errno == EWOULDBLOCK)))
;
if( ret != (MAX_PWORD_USERNAME) )
{
printf("pword_authenticate: unable to send username %d %d: %s\n", ret, MAX_PWORD_USERNAME, sock_strerror(sock_errno));
return( 0 );
}
while(((ret = send( fd, user_p->password, MAX_PWORD_PASSWORD, 0 )) == -1) && ((errno == EINTR) || (errno == EAGAIN) || (sock_errno == EWOULDBLOCK)))
;
if( ret != (MAX_PWORD_PASSWORD) )
{
printf("pword_authenticate: unable to send password %d %d: %s\n", ret, MAX_PWORD_PASSWORD, sock_strerror(sock_errno));
return( 0 );
}
/* Receive response code */
ret = recv( fd, &response, 1, 0 );
if( ret < 0 )
{
printf("pword_authenticate: reading response failed on mailbox %d\n", fd );
return( 0 );
}
if( ret < 1 )
{
printf("pword_authenticate: reading response string SHORT on mailbox %d\n", fd );
return( 0 );
}
if ( response == 1 )
return( 1 );
else
return( 0 );
}
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