[newlib-cygwin] Cygwin: fetch local groups from local machine
Corinna Vinschen
corinna@sourceware.org
Fri Feb 22 09:21:00 GMT 2019
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=14e22688535e3695a7f73a0c82f3535ce164ee67
commit 14e22688535e3695a7f73a0c82f3535ce164ee67
Author: Corinna Vinschen <corinna@vinschen.de>
Date: Fri Feb 22 00:13:57 2019 +0100
Cygwin: fetch local groups from local machine
...even for domain accounts, otherwise local group membership is ignored.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
Diff:
---
winsup/cygwin/sec_auth.cc | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/winsup/cygwin/sec_auth.cc b/winsup/cygwin/sec_auth.cc
index beff327..4bbcb0e 100644
--- a/winsup/cygwin/sec_auth.cc
+++ b/winsup/cygwin/sec_auth.cc
@@ -400,11 +400,18 @@ get_user_local_groups (PWCHAR logonserver, PWCHAR domain,
DWORD cnt, tot;
NET_API_STATUS ret;
- ret = NetUserGetLocalGroups (logonserver, user, 0, LG_INCLUDE_INDIRECT,
+ /* We want to know the membership in local groups on the current machine.
+ Thus, don't ask the logonserver, ask the local machine. In contrast
+ to most other NetUser functions, NetUserGetLocalGroups accepts the
+ username in DOMAIN\user form. */
+ WCHAR username[MAX_DOMAIN_NAME_LEN + UNLEN + 2];
+ wcpcpy (wcpcpy (wcpcpy (username, domain), L"\\"), user);
+ ret = NetUserGetLocalGroups (NULL, username, 0, LG_INCLUDE_INDIRECT,
(LPBYTE *) &buf, MAX_PREFERRED_LENGTH,
&cnt, &tot);
if (ret)
{
+ debug_printf ("username: %W", username);
__seterrno_from_win_error (ret);
return false;
}
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