From 87bd68cb93a11cf332fc62074009e0ba2c4e9c9f Mon Sep 17 00:00:00 2001
From: bwarsaw <>
Date: Sun, 14 Dec 2003 17:57:40 +0000
Subject: check_privs(): Set the process's supplemental groups to those of the
 setuid'd user, if os.setgroup() is available (it's not in Python 2.1).  Close
 SF bug #777444 posted by Richard Barrett, identified and solved by Jonas
 Muerer.

---
 bin/mailmanctl | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/bin/mailmanctl b/bin/mailmanctl
index 4ebeb836..d49309ea 100644
--- a/bin/mailmanctl
+++ b/bin/mailmanctl
@@ -288,6 +288,13 @@ def check_privs():
     uid = pwd.getpwnam(mm_cfg.MAILMAN_USER)[2]
     myuid = os.getuid()
     if myuid == 0:
+        groups = [x[2] for x in grp.getgrall() if mm_cfg.MAILMAN_USER in x[3]]
+        groups.append(gid)
+        try:
+            os.setgroups(groups)
+        except AttributeError:
+            # Python 2.1 doesn't have setgroups
+            syslog('error', 'Warning: unable to setgroups(%s)' % groups)
         os.setgid(gid)
         os.setuid(uid)
     elif myuid <> uid:
-- 
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