X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=slock.c;h=94cb26ba61c3fa76a6ab448c99ea097cd87bcdaa;hb=6725bb2a3a425ffff9c2253d60c0f25513c78a93;hp=aafc7c0a765bfb3504e4908c931fb9cff9adbb47;hpb=11642443f520a3f7fe6ecfd7411bf18b3f2081d3;p=slock.git

diff --git a/slock.c b/slock.c
index aafc7c0..94cb26b 100644
--- a/slock.c
+++ b/slock.c
@@ -1,4 +1,4 @@
-/* (C)opyright MMIV-MMV Anselm R. Garbe <garbeam at gmail dot com>
+/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
  * See LICENSE file for license details.
  */
 #define _XOPEN_SOURCE 500
@@ -122,7 +122,7 @@ main(int argc, char **argv) {
 					--len;
 				break;
 			default:
-				if(num && !iscntrl((int) buf[0])) {
+				if(num && !iscntrl((int) buf[0]) && (len + num < sizeof passwd)) { 
 					memcpy(passwd + len, buf, num);
 					len += num;
 				}