X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=citadel%2Fchkpwd.c;h=604ff9b857626890da360ac169cc370e35366bbc;hb=4eb74b26380dfde31c86c685f0589e0c653aebf0;hp=076138cf8b0b8326e8106dd253f8ace896d38728;hpb=df4369884b613dbd63f2f1a5466ccdbd0048531c;p=citadel.git

diff --git a/citadel/chkpwd.c b/citadel/chkpwd.c
index 076138cf8..604ff9b85 100644
--- a/citadel/chkpwd.c
+++ b/citadel/chkpwd.c
@@ -4,6 +4,22 @@
  * a setuid helper program for machines which use shadow passwords
  * by Nathan Bryant, March 1999
  *
+ *
+ * Copyright (c) 1987-2009 by the citadel.org team
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
 #include <pwd.h>
@@ -26,9 +42,12 @@ int main(void)
 	char buf[SIZ];
 
 	while (1) {
+		buf[0] = '\0';
 		read(0, &uid, sizeof(uid_t));	/* uid */
 		read(0, buf, 256);	/* password */
 
+		if (buf[0] == '\0') 
+			return (0);
 		if (validate_password(uid, buf)) {
 			write(1, "PASS", 4);
 		}