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Make the timeout handler log any failed logins, to make sure failed

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logins get logged.
This commit is contained in:
eivind 1999-01-03 23:39:33 +00:00
parent 32dd8134c7
commit 2efd5dd7ee
1 changed files with 17 additions and 7 deletions
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24
usr.bin/login/login.c
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@ -42,7 +42,7 @@ static char copyright[] =
static char sccsid[] = "@(#)login.c 8.4 (Berkeley) 4/2/94";
#endif
static const char rcsid[] =
"$Id: login.c,v 1.42 1998/11/11 05:47:45 jdp Exp $";
"$Id: login.c,v 1.43 1998/11/21 02:22:14 jdp Exp $";
#endif /* not lint */
/*
@ -111,6 +111,9 @@ static void usage __P((void));
*/
u_int timeout = 300;
/* Buffer for signal handling of timeout */
jmp_buf timeout_buf;
struct passwd *pwd;
int failures;
char *term, *envinit[1], *hostname, *username, *tty;
@ -132,15 +135,23 @@ main(argc, argv)
time_t warntime;
uid_t uid, euid;
char *domain, *p, *ttyn;
char tbuf[MAXPATHLEN + 2], tname[sizeof(_PATH_TTY) + 10];
char tbuf[MAXPATHLEN + 2];
char tname[sizeof(_PATH_TTY) + 10];
char localhost[MAXHOSTNAMELEN];
char *shell = NULL;
login_cap_t *lc = NULL;
(void)signal(SIGALRM, timedout);
(void)alarm(timeout);
(void)signal(SIGQUIT, SIG_IGN);
(void)signal(SIGINT, SIG_IGN);
if (setjmp(timeout_buf)) {
if (failures)
badlogin(tbuf);
(void)fprintf(stderr,
"Login timed out after %d seconds\n", timeout);
exit(0);
}
(void)signal(SIGALRM, timedout);
(void)alarm(timeout);
(void)setpriority(PRIO_PROCESS, 0, 0);
openlog("login", LOG_ODELAY, LOG_AUTH);
@ -250,7 +261,6 @@ main(argc, argv)
if (failures && strcmp(tbuf, username)) {
if (failures > (pwd ? 0 : 1))
badlogin(tbuf);
failures = 0;
}
(void)strncpy(tbuf, username, sizeof tbuf-1);
tbuf[sizeof tbuf-1] = '\0';
@ -769,8 +779,7 @@ void
timedout(signo)
int signo;
{
(void)fprintf(stderr, "Login timed out after %d seconds\n", timeout);
exit(0);
longjmp(timeout_buf, signo);
}
@ -829,6 +838,7 @@ badlogin(name)
"%d LOGIN FAILURE%s ON %s, %s",
failures, failures > 1 ? "S" : "", tty, name);
}
failures = 0;
}
#undef UNKNOWN