fixed a potential buffer overflow bug on the stack (thanks to Ghassan Misherg)

This commit is contained in:
Anselm R. Garbe
2007-01-13 14:09:41 +01:00
parent 11642443f5
commit 6725bb2a3a
4 changed files with 5 additions and 5 deletions

View File

@@ -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;
}