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klogin.c
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C/C++ Source or Header
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1999-02-01
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108 lines
/* K L O G I N . C -- Klogin stub for Kermit 95 */
/*
Authors: Frank da Cruz (fdc@columbia.edu)
Jeffrey Altman (jaltman@columbia.edu),
Columbia University Academic Information Systems, New York City.
Copyright (C) 1995, 1997, Trustees of Columbia University in the City of
New York. All rights reserved.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
char * tn_port = "klogin",
* hostname = NULL,
* username = NULL;
char ckermitcmd[4096];
void
constructcmdline( char * rlogin ) {
char * s = ckermitcmd ;
int n = 0 ;
ckermitcmd[0]='"';
strcpy(&ckermitcmd[1],rlogin);
s = ckermitcmd + strlen(rlogin);
while (s != ckermitcmd && *s != '\\' && *s != '/')
s--;
if (s != ckermitcmd)
s++;
#ifdef NT
strcpy( s, "k95.exe\"" );
#else /* NT */
strcpy( s, "k2.exe\"" ) ;
#endif /* NT */
if ( username ) {
strcat( s," -M " ) ;
strcat( s, username ) ;
}
if (hostname) {
strcat(s," -J ");
strcat(s,hostname);
n = strlen(ckermitcmd) - 1;
while (n >= 0 && ckermitcmd[n] == '/')
ckermitcmd[n--] = (char) 0;
strcat(s," ");
strcat(s,"klogin");
}
}
void
usage(void)
{
fprintf( stderr, "klogin [-l username] hostname\n\n" ) ;
}
int
parsecmdline( int argc, char ** argv ) {
int i=1;
if ( argc == 1 )
{
usage() ;
return -1;
}
hostname = argv[argc-1] ;
argc-- ;
for ( i=1 ; i<argc ; i++ )
{
if ( argv[i][0] == '-' )
{
switch ( argv[i][1] ) {
case 'l':
i++ ;
if ( i < argc )
username = argv[i] ;
else
{
usage();
return -1;
}
break;
case '8':
break;
default:
usage();
return -1;
}
}
}
return 0;
}
int
main( int argc, char **argv ) {
if ( parsecmdline( argc, argv ) )
return 1 ;
constructcmdline(argv[0]) ;
return system( ckermitcmd ) ;
}