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Goal: Log login failures to the btmp file
Notes:
* I'm not sure login should add an entry in the FTMP file when PAM is used.
(but nothing in /etc/login.defs indicates that the failure is not logged)
--- a/src/login.c
+++ b/src/login.c
@@ -827,6 +827,24 @@
(void) puts ("");
(void) puts (_("Login incorrect"));
+ if (getdef_str("FTMP_FILE") != NULL) {
+#ifdef USE_UTMPX
+ struct utmpx *failent =
+ prepare_utmpx (failent_user,
+ tty,
+ /* FIXME: or fromhost? */hostname,
+ utent);
+#else /* !USE_UTMPX */
+ struct utmp *failent =
+ prepare_utmp (failent_user,
+ tty,
+ hostname,
+ utent);
+#endif /* !USE_UTMPX */
+ failtmp (failent_user, failent);
+ free (failent);
+ }
+
if (failcount >= retries) {
SYSLOG ((LOG_NOTICE,
"TOO MANY LOGIN TRIES (%u)%s FOR '%s'",
--- a/lib/getdef.c
+++ b/lib/getdef.c
@@ -38,7 +38,6 @@
{"ENVIRON_FILE", NULL}, \
{"ENV_TZ", NULL}, \
{"FAILLOG_ENAB", NULL}, \
- {"FTMP_FILE", NULL}, \
{"HMAC_CRYPTO_ALGO", NULL}, \
{"ISSUE_FILE", NULL}, \
{"LASTLOG_ENAB", NULL}, \
@@ -80,6 +79,7 @@
{"ERASECHAR", NULL},
{"FAIL_DELAY", NULL},
{"FAKE_SHELL", NULL},
+ {"FTMP_FILE", NULL},
{"GID_MAX", NULL},
{"GID_MIN", NULL},
{"HOME_MODE", NULL},
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