0001-Workaround-for-unicorn-not-being-able-to-fchown-unli.patch

From 1d3f5e1c64f96ceede990ad6bdc07ea6f8f925ce Mon Sep 17 00:00:00 2001
From: Andreas Neuhaus <[email protected]>
Date: Sat, 19 Jun 2010 15:21:28 +0200
Subject: [PATCH] Workaround for unicorn not being able to fchown unlinked files in Ruby 1.9.2-preview3 (which makes it unable to switch workers to a different user; Ruby bug #3451)

---
 lib/unicorn.rb      |    6 ++++--
 lib/unicorn/util.rb |    3 ++-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/lib/unicorn.rb b/lib/unicorn.rb
index a7b0646..c6dffd6 100644
--- a/lib/unicorn.rb
+++ b/lib/unicorn.rb
@@ -186,7 +186,7 @@ module Unicorn
         uid = Etc.getpwnam(user).uid
         gid = Etc.getgrnam(group).gid if group
         Unicorn::Util.chown_logs(uid, gid)
-        tmp.chown(uid, gid)
+        #tmp.chown(uid, gid)
         if gid && Process.egid != gid
           Process.initgroups(user, gid)
           Process::GID.change_privilege(gid)
@@ -588,9 +588,11 @@ module Unicorn
     end
 
     def spawn_missing_workers
+      uid = user && user[0] ? Etc.getpwnam(user[0]).uid : nil
+      gid = user && user[1] ? Etc.getgrnam(user[1]).gid : nil
       (0...worker_processes).each do |worker_nr|
         WORKERS.values.include?(worker_nr) and next
-        worker = Worker.new(worker_nr, Unicorn::Util.tmpio)
+        worker = Worker.new(worker_nr, Unicorn::Util.tmpio(uid, gid))
         before_fork.call(self, worker)
         WORKERS[fork {
           ready_pipe.close if ready_pipe
diff --git a/lib/unicorn/util.rb b/lib/unicorn/util.rb
index e8c09d0..5560a18 100644
--- a/lib/unicorn/util.rb
+++ b/lib/unicorn/util.rb
@@ -68,13 +68,14 @@ module Unicorn
       # creates and returns a new File object.  The File is unlinked
       # immediately, switched to binary mode, and userspace output
       # buffering is disabled
-      def tmpio
+      def tmpio (user = nil, group = nil)
         fp = begin
           TmpIO.open("#{Dir::tmpdir}/#{rand}",
                      File::RDWR|File::CREAT|File::EXCL, 0600)
         rescue Errno::EEXIST
           retry
         end
+        fp.chown user, group if user
         File.unlink(fp.path)
         fp.binmode
         fp.sync = true
-- 
1.7.1