From 93eb1b8a4782cc403d08ca4d90322a8de13faeab Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Love=20H=C3=B6rnquist=20=C3=85strand?= <lha@kth.se>
Date: Fri, 22 Dec 2006 17:28:27 +0000
Subject: [PATCH] Make str2time_t parser more robust.

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@19489 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 kadmin/util.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/kadmin/util.c b/kadmin/util.c
index 630ba6053..b94dfa50e 100644
--- a/kadmin/util.c
+++ b/kadmin/util.c
@@ -182,6 +182,7 @@ str2time_t (const char *str, time_t *t)
     struct tm tm, tm2;
 
     memset (&tm, 0, sizeof (tm));
+    memset (&tm2, 0, sizeof (tm2));
 
     if(strcasecmp(str, "never") == 0) {
 	*t = 0;
@@ -198,10 +199,12 @@ str2time_t (const char *str, time_t *t)
     if (p == NULL)
 	return -1;
 
+    while(isspace((unsigned char)*p))
+	p++;
 
     /* XXX this is really a bit optimistic, we should really complain
        if there was a problem parsing the time */
-    if(strptime (p, "%t%H:%M:%S", &tm2) != NULL) {
+    if(p[0] != '\0' && strptime (p, "%H:%M:%S", &tm2) != NULL) {
 	tm.tm_hour = tm2.tm_hour;
 	tm.tm_min  = tm2.tm_min;
 	tm.tm_sec  = tm2.tm_sec;