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

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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
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8
winsup/cygwin/fhandler_proc.cc
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@ -128,7 +128,13 @@ fhandler_proc::get_proc_fhandler (const char *path)
if (entry)
return entry->fhandler;
if (pinfo (atoi (path)))
int pid = atoi (path);
pinfo p (pid);
/* 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)
return FH_PROCESS;
bool has_subdir = false;