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Goal: Re-enable logging and displaying failures on login when login is
compiled with PAM and when FAILLOG_ENAB is set to yes. And create the
faillog file if it does not exist on postinst (as on Woody).
Depends: 008_login_more_LOG_UNKFAIL_ENAB
Fixes: #192849
Note: It could be removed if pam_tally could report the number of failures
preceding a successful login.
--- a/src/login.c
+++ b/src/login.c
@@ -136,9 +136,9 @@
#endif
);
-#ifndef USE_PAM
static struct faillog faillog;
+#ifndef USE_PAM
static void bad_time_notify (void);
static void check_nologin (bool login_to_root);
#else
@@ -809,6 +809,9 @@
SYSLOG ((LOG_NOTICE,
"TOO MANY LOGIN TRIES (%u)%s FOR '%s'",
failcount, fromhost, failent_user));
+ if ((NULL != pwd) && getdef_bool("FAILLOG_ENAB")) {
+ failure (pwd->pw_uid, tty, &faillog);
+ }
fprintf (stderr,
_("Maximum number of tries exceeded (%u)\n"),
failcount);
@@ -826,6 +829,14 @@
pam_strerror (pamh, retcode)));
failed = true;
}
+ if ( (NULL != pwd)
+ && getdef_bool("FAILLOG_ENAB")
+ && ! failcheck (pwd->pw_uid, &faillog, failed)) {
+ SYSLOG((LOG_CRIT,
+ "exceeded failure limit for `%s' %s",
+ failent_user, fromhost));
+ failed = 1;
+ }
if (!failed) {
break;
@@ -849,6 +860,10 @@
(void) puts ("");
(void) puts (_("Login incorrect"));
+ if ((NULL != pwd) && getdef_bool("FAILLOG_ENAB")) {
+ failure (pwd->pw_uid, tty, &faillog);
+ }
+
if (getdef_str("FTMP_FILE") != NULL) {
#ifdef USE_UTMPX
struct utmpx *failent =
@@ -1305,6 +1320,7 @@
*/
#ifndef USE_PAM
motd (); /* print the message of the day */
+#endif
if ( getdef_bool ("FAILLOG_ENAB")
&& (0 != faillog.fail_cnt)) {
failprint (&faillog);
@@ -1317,6 +1333,7 @@
username, (int) faillog.fail_cnt));
}
}
+#ifndef USE_PAM
if ( getdef_bool ("LASTLOG_ENAB")
&& pwd->pw_uid <= (uid_t) getdef_ulong ("LASTLOG_UID_MAX", 0xFFFFFFFFUL)
&& (ll.ll_time != 0)) {
--- a/lib/getdef.c
+++ b/lib/getdef.c
@@ -89,6 +89,7 @@
{"ENV_SUPATH", NULL},
{"ERASECHAR", NULL},
{"FAIL_DELAY", NULL},
+ {"FAILLOG_ENAB", NULL},
{"FAKE_SHELL", NULL},
{"FTMP_FILE", NULL},
{"GID_MAX", NULL},
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