184 lines
3.9 KiB
C
184 lines
3.9 KiB
C
/*
|
|
* Copyright 1989 - 1994, Julianne Frances Haugh
|
|
* 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. Neither the name of Julianne F. Haugh 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 JULIE HAUGH 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 JULIE HAUGH 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.
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#ifdef RLOGIN
|
|
|
|
#include "rcsid.h"
|
|
RCSID ("$Id: rlogin.c,v 1.7 2005/01/20 12:47:20 kloczek Exp $")
|
|
#include "prototypes.h"
|
|
#include "defines.h"
|
|
#include <stdio.h>
|
|
#include <pwd.h>
|
|
#include <unistd.h>
|
|
|
|
static struct {
|
|
int spd_name;
|
|
int spd_baud;
|
|
} speed_table[] =
|
|
{
|
|
#ifdef B50
|
|
{
|
|
B50, 50},
|
|
#endif
|
|
#ifdef B75
|
|
{
|
|
B75, 75},
|
|
#endif
|
|
#ifdef B110
|
|
{
|
|
B110, 110},
|
|
#endif
|
|
#ifdef B134
|
|
{
|
|
B134, 134},
|
|
#endif
|
|
#ifdef B150
|
|
{
|
|
B150, 150},
|
|
#endif
|
|
#ifdef B200
|
|
{
|
|
B200, 200},
|
|
#endif
|
|
#ifdef B300
|
|
{
|
|
B300, 300},
|
|
#endif
|
|
#ifdef B600
|
|
{
|
|
B600, 600},
|
|
#endif
|
|
#ifdef B1200
|
|
{
|
|
B1200, 1200},
|
|
#endif
|
|
#ifdef B1800
|
|
{
|
|
B1800, 1800},
|
|
#endif
|
|
#ifdef B2400
|
|
{
|
|
B2400, 2400},
|
|
#endif
|
|
#ifdef B4800
|
|
{
|
|
B4800, 4800},
|
|
#endif
|
|
#ifdef B9600
|
|
{
|
|
B9600, 9600},
|
|
#endif
|
|
#ifdef B19200
|
|
{
|
|
B19200, 19200},
|
|
#endif
|
|
#ifdef B38400
|
|
{
|
|
B38400, 38400},
|
|
#endif
|
|
{
|
|
-1, -1}
|
|
};
|
|
|
|
static void get_remote_string (char *buf, int size)
|
|
{
|
|
for (;;) {
|
|
if (read (0, buf, 1) != 1)
|
|
exit (1);
|
|
if (*buf == '\0')
|
|
return;
|
|
if (--size > 0)
|
|
++buf;
|
|
}
|
|
/*NOTREACHED*/}
|
|
|
|
int
|
|
do_rlogin (const char *remote_host, char *name, int namelen, char *term,
|
|
int termlen)
|
|
{
|
|
struct passwd *pwd;
|
|
char remote_name[32];
|
|
char *cp;
|
|
int remote_speed = 9600;
|
|
int speed_name = B9600;
|
|
int i;
|
|
TERMIO termio;
|
|
|
|
get_remote_string (remote_name, sizeof remote_name);
|
|
get_remote_string (name, namelen);
|
|
get_remote_string (term, termlen);
|
|
|
|
if ((cp = strchr (term, '/'))) {
|
|
*cp++ = '\0';
|
|
|
|
if (!(remote_speed = atoi (cp)))
|
|
remote_speed = 9600;
|
|
}
|
|
for (i = 0; speed_table[i].spd_baud != remote_speed &&
|
|
speed_table[i].spd_name != -1; i++);
|
|
|
|
if (speed_table[i].spd_name != -1)
|
|
speed_name = speed_table[i].spd_name;
|
|
|
|
/*
|
|
* Put the terminal in cooked mode with echo turned on.
|
|
*/
|
|
|
|
GTTY (0, &termio);
|
|
termio.c_iflag |= ICRNL | IXON;
|
|
termio.c_oflag |= OPOST | ONLCR;
|
|
termio.c_lflag |= ICANON | ECHO | ECHOE;
|
|
#ifdef CBAUD
|
|
termio.c_cflag = (termio.c_cflag & ~CBAUD) | speed_name;
|
|
#else
|
|
termio.c_cflag = (termio.c_cflag) | speed_name;
|
|
#endif
|
|
STTY (0, &termio);
|
|
|
|
if (!(pwd = getpwnam (name)))
|
|
return 0;
|
|
|
|
/*
|
|
* ruserok() returns 0 for success on modern systems, and 1 on
|
|
* older ones. If you are having trouble with people logging
|
|
* in without giving a required password, THIS is the culprit -
|
|
* go fix the #define in config.h.
|
|
*/
|
|
|
|
#ifndef RUSEROK
|
|
return 0;
|
|
#else
|
|
return ruserok (remote_host, pwd->pw_uid == 0,
|
|
remote_name, name) == RUSEROK;
|
|
#endif
|
|
}
|
|
#endif /* RLOGIN */
|