Cygwin: fix permissions of winpid symlinks

The winpid symlinks got created with no query permissions, so
only admins could see all Cygwin processes.  Create symlinks
so everyone has query permissions instead.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

diff --git a/winsup/cygwin/pinfo.cc b/winsup/cygwin/pinfo.cc
index 064299e0c9782842b8f5b9d8ad717a96dc032d09..453861c812777aac085a07bb0bcf4ccd042b0d86 100644 (file)
--- a/winsup/cygwin/pinfo.cc
+++ b/winsup/cygwin/pinfo.cc
@@ -325,7 +325,8 @@ pinfo::create_winpid_symlink ()
   __small_swprintf (pid_name, L"%u", procinfo->pid);
   RtlInitUnicodeString (&pid_str, pid_name);
   InitializeObjectAttributes (&attr, &sym_str, OBJ_CASE_INSENSITIVE,
-                             get_shared_parent_dir (), NULL);
+                             get_shared_parent_dir (),
+                             everyone_sd (SYMBOLIC_LINK_QUERY));
   NtCreateSymbolicLinkObject (&winpid_hdl, SYMBOLIC_LINK_ALL_ACCESS,
                              &attr, &pid_str);
 }

diff --git a/winsup/cygwin/release/3.0.4 b/winsup/cygwin/release/3.0.4
new file mode 100644 (file)
index 0000000..c545f3e
--- /dev/null
+++ b/winsup/cygwin/release/3.0.4
@@ -0,0 +1,13 @@
+What's new:
+-----------
+
+
+What changed:
+-------------
+
+
+Bug Fixes
+---------
+
+- Fix access to process list
+  Addresses: https://cygwin.com/ml/cygwin/2019-03/msg00253.html