JehanneOS/newlib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

* fhandler_proc.cc (fhandler_proc::get_proc_fhandler): Don't allow to

Browse Source 
access process info by using the Windows PID.
	* fhandler_process.cc (fhandler_process::fstat): Ditto.
	(fhandler_process::fill_filebuf): Ditto.
This commit is contained in:
Corinna Vinschen
2011-08-11 16:43:26 +00:00
parent 3b7cd74bfd
commit 6e2c582323
3 changed files with 25 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
winsup/cygwin/fhandler_process.cc
View File

@ -143,8 +143,13 @@ fhandler_process::fstat (struct __stat64 *buf)
fhandler_base::fstat (buf);
path += proc_len + 1;
pid = atoi (path);
pinfo p (pid);
if (!p)
/* If p->pid != pid, then pid is actually the Windows PID for an execed
Cygwin process, and the pinfo entry is the additional entry created
at exec time. We don't want to enable the user to access a process
entry by using the Win32 PID, though. */
if (!p || p->pid != pid)
{
set_errno (ENOENT);
return -1;
@ -320,8 +325,11 @@ fhandler_process::fill_filebuf ()
pid = atoi (path);
pinfo p (pid);
if (!p)
/* If p->pid != pid, then pid is actually the Windows PID for an execed
Cygwin process, and the pinfo entry is the additional entry created
at exec time. We don't want to enable the user to access a process
entry by using the Win32 PID, though. */
if (!p || p->pid != pid)
{
set_errno (ENOENT);
return false;