[hackers] [sltar] chmod works for special files; chown produces an error. || gottox

From: <hg_AT_suckless.org>
Date: Sun, 11 Nov 2012 17:23:50 +0100 (CET)

changeset: 23:a28a4da81d45
user: gottox_AT_rootkit.lan
date: Mon Jan 14 20:02:55 2008 +0100
files: sltar.c
description:
chmod works for special files; chown produces an error.


diff -r 18021ed2100c -r a28a4da81d45 sltar.c
--- a/sltar.c Thu Dec 27 19:35:50 2007 +0100
+++ b/sltar.c Mon Jan 14 20:02:55 2008 +0100
_AT_@ -42,7 +42,7 @@
                         unlink(fname);
                         switch(b[TYPE]) {
                         case '0': /* file */
- if(!(f = fopen(fname,"w")) || chmod(fname,strtoul(b + MODE,0,8)))
+ if(!(f = fopen(fname,"w")))
                                         perror(fname);
                                 break;
                         case '1': /* hardlink */
_AT_@ -71,7 +71,10 @@
                         default:
                                 fputs("not supported filetype\n",stderr);
                         }
- chown(fname, strtoul(b + UID,0,8),strtoul(b + GID,0,8));
+ if(chmod(fname,strtoul(b + MODE,0,8)))
+ perror(fname);
+ if(getuid() == 0 && chown(fname, strtoul(b + UID,0,8),strtoul(b + GID,0,8)))
+ perror(fname);
                 }
                 else if(a == 'x' && f && !fwrite(b,l > 512 ? END : l,1,f)) {
                         perror(fname);
Received on Sun Nov 11 2012 - 17:23:50 CET