Patch for Debian bugs #95220, #175900

A wrong username doesn't need to be logged as an 'alert', a 'warning'
should be sufficient.

Authors: Sam Hartman <hartmans@debian.org>

Upstream status: submitted in <20070830094545.GA17457@dario.dodds.net>

Index: Linux-PAM/modules/pam_unix/support.c
===================================================================
--- Linux-PAM/modules/pam_unix/support.c.orig
+++ Linux-PAM/modules/pam_unix/support.c
@@ -675,12 +675,12 @@
 			if (on(UNIX_AUDIT, ctrl)) {
 				/* this might be a typo and the user has given a password
 				   instead of a username. Careful with this. */
-				pam_syslog(pamh, LOG_ALERT,
+				pam_syslog(pamh, LOG_WARNING,
 				         "check pass; user (%s) unknown", name);
 			} else {
 				name = NULL;
 				if (on(UNIX_DEBUG, ctrl) || pwd == NULL) {
-				    pam_syslog(pamh, LOG_ALERT,
+				    pam_syslog(pamh, LOG_WARNING,
 				            "check pass; user unknown");
 				} else {
 				    /* don't log failure as another pam module can succeed */
Index: Linux-PAM/modules/pam_unix/unix_chkpwd.c
===================================================================
--- Linux-PAM/modules/pam_unix/unix_chkpwd.c.orig
+++ Linux-PAM/modules/pam_unix/unix_chkpwd.c
@@ -179,7 +179,7 @@
 		}
 	}
 	if (pwd == NULL || salt == NULL) {
-		_log_err(LOG_ALERT, "check pass; user unknown");
+		_log_err(LOG_WARNING, "check pass; user unknown");
 		p = NULL;
 		return PAM_USER_UNKNOWN;
 	}