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/*
* Copyright 2002 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Miscellaneous routines needed by the telnet client for authentication
* and / or encryption.
*/
/*
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static char sccsid[] = "@(#)authenc.c 8.1 (Berkeley) 6/6/93";
#endif /* not lint */
#include <sys/types.h>
#include <arpa/telnet.h>
#include "general.h"
#include "ring.h"
#include "externs.h"
#include "defines.h"
#include "types.h"
char *RemoteHostName = NULL;
char *UserNameRequested = NULL;
#define MAXNETDATA 16
/*
* Get ready to do authentication and encryption by calling their
* init routines, and clearing the user name variable
*/
/* ARGSUSED */
void
auth_encrypt_init(char *local, char *remote, char *name)
{
RemoteHostName = remote;
auth_init(name);
encrypt_init(name);
if (UserNameRequested) {
free(UserNameRequested);
UserNameRequested = NULL;
}
}
/*
* Set the user name variable. This is the user name used from now
* on for authentication and encryption
*/
void
auth_encrypt_user(char *name)
{
if (UserNameRequested)
free(UserNameRequested);
UserNameRequested = name ? strdup(name) : NULL;
}
int
net_write(unsigned char *str, int len)
{
if (NETROOM() > len) {
ring_supply_data(&netoring, str, len);
if (str[0] == IAC && str[1] == SE)
printsub('>', &str[2], len - 2);
return (len);
}
return (0);
}
void
net_encrypt(void)
{
if (encrypt_output)
ring_encrypt(&netoring, encrypt_output);
else
ring_clearto(&netoring);
}
/*
* Spin to wait for authentication to complete
* This allows for a timeout
*/
void
telnet_spin(void)
{
extern boolean_t scheduler_lockout_tty;
scheduler_lockout_tty = B_TRUE;
(void) Scheduler(0);
scheduler_lockout_tty = B_FALSE;
}
/*
* Used to print out unsigned chars as decimals for debugging options
*/
void
printd(unsigned char *data, int cnt)
{
cnt = (cnt < MAXNETDATA) ? cnt:MAXNETDATA;
while (cnt-- > 0)
(void) printf(" %02x", *data++);
}
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