From b2cf59aa1cbfb8109f0f2579427159c47f93e6eb Mon Sep 17 00:00:00 2001
From: gotoyuzo <gotoyuzo@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 28 Sep 2003 17:50:52 +0000
Subject: [PATCH] * lib/webrick/utils.rb (Utils::su): use setgid and setuid to 
  set real and effective IDs. and setup group access list by   initgroups.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4616 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog            |  6 ++++++
 lib/webrick/utils.rb | 16 ++++++++--------
 2 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index a6f6fec91f..6dd6c77138 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Mon Sep 29 02:31:44 2003  GOTOU Yuuzou  <gotoyuzo@notwork.org>
+
+	* lib/webrick/utils.rb (Utils::su): use setgid and setuid to
+	  set real and effective IDs. and setup group access list by
+	  initgroups.
+
 Mon Sep 27 18:25:13 2003  NAKAMURA, Hiroshi  <nahi@ruby-lang.org>
 
 	* lib/xsd/charset.rb: XSD::Charset.is_ces did return always true under
diff --git a/lib/webrick/utils.rb b/lib/webrick/utils.rb
index d371f4989f..41b54271c7 100644
--- a/lib/webrick/utils.rb
+++ b/lib/webrick/utils.rb
@@ -26,16 +26,16 @@ module WEBrick
     end
     module_function :set_close_on_exec
 
-    def su(user, group=nil)
+    def su(user)
       if defined?(Etc)
         pw = Etc.getpwnam(user)
-        gr = group ? Etc.getgrnam(group) : pw
-        Process::gid = gr.gid
-        Process::egid = gr.gid
-        Process::uid = pw.uid
-        Process::euid = pw.uid
-      end 
-    end   
+        Process::initgroups(user, pw.gid)
+        Process::Sys::setgid(pw.gid)
+        Process::Sys::setuid(pw.uid)
+      else
+        warn("WEBrick::Utils::su doesn't work on this platform")
+      end
+    end
     module_function :su
 
     def getservername