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Add a ``-P altlogin'' option which allows the sysadmin to specify an

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alternate login(1) type program to run.
This commit is contained in:
Peter Wemm 1996-08-13 07:51:45 +00:00
parent ed9a71b7fc
commit 326bbdd92f
3 changed files with 21 additions and 4 deletions
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12
libexec/telnetd/sys_term.c
View File

@ -42,6 +42,8 @@ static char sccsid[] = "@(#)sys_term.c 8.2 (Berkeley) 12/15/93";
#include <libtelnet/auth.h>
#endif
extern char *altlogin;
#if defined(CRAY) || defined(__hpux)
# define PARENT_DOES_UTMP
#endif
@ -1728,10 +1730,14 @@ start_login(host, autologin, name)
close(pty);
#endif
closelog();
execv(_PATH_LOGIN, argv);
syslog(LOG_ERR, "%s: %m\n", _PATH_LOGIN);
fatalperror(net, _PATH_LOGIN);
if (altlogin == NULL) {
altlogin = _PATH_LOGIN;
}
execv(altlogin, argv);
syslog(LOG_ERR, "%s: %m\n", altlogin);
fatalperror(net, altlogin);
/*NOTREACHED*/
}

6
libexec/telnetd/telnetd.8
View File

@ -48,6 +48,7 @@ protocol server
.Op Fl X Ar authtype
.Op Fl a Ar authmode
.Op Fl edebug
.Op Fl P Ar loginprog
.Op Fl r Ns Ar lowpty-highpty
.Op Fl u Ar len
.Op Fl debug Op Ar port
@ -187,6 +188,11 @@ If
has been compiled with support for data encryption, then the
.Fl edebug
option may be used to enable encryption debugging code.
.It Fl P Ar loginprog
Specifies an alternate
.Xr login 1
command to run to complete the login. The alternate command must
understand the same command arguments as the standard login.
.It Fl h
Disables the printing of host-specific information before
login has been completed.

7
libexec/telnetd/telnetd.c
View File

@ -124,6 +124,7 @@ int lowpty = 0, highpty; /* low, high pty numbers */
int debug = 0;
int keepalive = 1;
char *progname;
char *altlogin;
extern void usage P((void));
@ -133,7 +134,7 @@ extern void usage P((void));
* passed off to getopt().
*/
char valid_opts[] = {
'd', ':', 'h', 'k', 'n', 'S', ':', 'u', ':', 'U',
'd', ':', 'h', 'k', 'n', 'p', ':', 'S', ':', 'u', ':', 'U',
#ifdef AUTHENTICATION
'a', ':', 'X', ':',
#endif
@ -284,6 +285,10 @@ main(argc, argv)
keepalive = 0;
break;
case 'p':
altlogin = optarg;
break;
#ifdef CRAY
case 'r':
{