1 files changed, 188 insertions, 0 deletions
diff --git a/spec/unit/util/suidmanager_spec.rb b/spec/unit/util/suidmanager_spec.rb
new file mode 100755
index 000000000..f58f6c708
--- /dev/null
+++ b/spec/unit/util/suidmanager_spec.rb
@@ -0,0 +1,188 @@
+#!/usr/bin/env rspec
+
+require 'spec_helper'
+
+describe Puppet::Util::SUIDManager do
+  let :user do
+    Puppet::Type.type(:user).new(:name => 'name', :uid => 42, :gid => 42)
+  end
+
+  let :xids do
+    Hash.new {|h,k| 0}
+  end
+
+  before :each do
+    Puppet::Util::SUIDManager.stubs(:convert_xid).returns(42)
+    Puppet::Util::SUIDManager.stubs(:initgroups)
+
+    [:euid, :egid, :uid, :gid, :groups].each do |id|
+      Process.stubs("#{id}=").with {|value| xids[id] = value}
+    end
+  end
+
+  describe "#uid" do
+    it "should allow setting euid/egid" do
+      Puppet::Util::SUIDManager.egid = user[:gid]
+      Puppet::Util::SUIDManager.euid = user[:uid]
+
+      xids[:egid].should == user[:gid]
+      xids[:euid].should == user[:uid]
+    end
+  end
+
+  describe "#asuser" do
+    it "should set euid/egid when root" do
+      Process.stubs(:uid).returns(0)
+
+      Process.stubs(:egid).returns(51)
+      Process.stubs(:euid).returns(50)
+
+      Puppet::Util::SUIDManager.stubs(:convert_xid).with(:gid, 51).returns(51)
+      Puppet::Util::SUIDManager.stubs(:convert_xid).with(:uid, 50).returns(50)
+
+      yielded = false
+      Puppet::Util::SUIDManager.asuser(user[:uid], user[:gid]) do
+        xids[:egid].should == user[:gid]
+        xids[:euid].should == user[:uid]
+        yielded = true
+      end
+
+      xids[:egid].should == 51
+      xids[:euid].should == 50
+
+      # It's possible asuser could simply not yield, so the assertions in the
+      # block wouldn't fail. So verify those actually got checked.
+      yielded.should be_true
+    end
+
+    it "should not get or set euid/egid when not root" do
+      Process.stubs(:uid).returns(1)
+
+      Process.stubs(:egid).returns(51)
+      Process.stubs(:euid).returns(50)
+
+      Puppet::Util::SUIDManager.asuser(user[:uid], user[:gid]) {}
+
+      xids.should be_empty
+    end
+  end
+
+  describe "#change_group" do
+    describe "when changing permanently" do
+      it "should try to change_privilege if it is supported" do
+        Process::GID.expects(:change_privilege).with do |gid|
+          Process.gid = gid
+          Process.egid = gid
+        end
+
+        Puppet::Util::SUIDManager.change_group(42, true)
+
+        xids[:egid].should == 42
+        xids[:gid].should == 42
+      end
+
+      it "should change both egid and gid if change_privilege isn't supported" do
+        Process::GID.stubs(:change_privilege).raises(NotImplementedError)
+
+        Puppet::Util::SUIDManager.change_group(42, true)
+
+        xids[:egid].should == 42
+        xids[:gid].should == 42
+      end
+    end
+
+    describe "when changing temporarily" do
+      it "should change only egid" do
+        Puppet::Util::SUIDManager.change_group(42, false)
+
+        xids[:egid].should == 42
+        xids[:gid].should == 0
+      end
+    end
+  end
+
+  describe "#change_user" do
+    describe "when changing permanently" do
+      it "should try to change_privilege if it is supported" do
+        Process::UID.expects(:change_privilege).with do |uid|
+          Process.uid = uid
+          Process.euid = uid
+        end
+
+        Puppet::Util::SUIDManager.change_user(42, true)
+
+        xids[:euid].should == 42
+        xids[:uid].should == 42
+      end
+
+      it "should change euid and uid and groups if change_privilege isn't supported" do
+        Process::UID.stubs(:change_privilege).raises(NotImplementedError)
+
+        Puppet::Util::SUIDManager.expects(:initgroups).with(42)
+
+        Puppet::Util::SUIDManager.change_user(42, true)
+
+        xids[:euid].should == 42
+        xids[:uid].should == 42
+      end
+    end
+
+    describe "when changing temporarily" do
+      it "should change only euid and groups" do
+        Puppet::Util::SUIDManager.change_user(42, false)
+
+        xids[:euid].should == 42
+        xids[:uid].should == 0
+      end
+    end
+  end
+
+  describe "when running commands" do
+    before :each do
+      # We want to make sure $CHILD_STATUS is set
+      Kernel.system '' if $CHILD_STATUS.nil?
+    end
+
+    describe "with #system" do
+      it "should set euid/egid when root" do
+        Process.stubs(:uid).returns(0)
+        Process.stubs(:egid).returns(51)
+        Process.stubs(:euid).returns(50)
+
+        Puppet::Util::SUIDManager.stubs(:convert_xid).with(:gid, 51).returns(51)
+        Puppet::Util::SUIDManager.stubs(:convert_xid).with(:uid, 50).returns(50)
+
+        Puppet::Util::SUIDManager.expects(:change_group).with(user[:uid])
+        Puppet::Util::SUIDManager.expects(:change_user).with(user[:uid])
+
+        Puppet::Util::SUIDManager.expects(:change_group).with(51)
+        Puppet::Util::SUIDManager.expects(:change_user).with(50)
+
+        Kernel.expects(:system).with('blah')
+        Puppet::Util::SUIDManager.system('blah', user[:uid], user[:gid])
+      end
+
+      it "should not get or set euid/egid when not root" do
+        Process.stubs(:uid).returns(1)
+        Kernel.expects(:system).with('blah')
+
+        Puppet::Util::SUIDManager.system('blah', user[:uid], user[:gid])
+
+        xids.should be_empty
+      end
+    end
+
+    describe "with #run_and_capture" do
+      it "should capture the output and return process status" do
+        Puppet::Util.
+          expects(:execute).
+          with('yay', :combine => true, :failonfail => false, :uid => user[:uid], :gid => user[:gid]).
+          returns('output')
+        output = Puppet::Util::SUIDManager.run_and_capture 'yay', user[:uid], user[:gid]
+
+        output.first.should == 'output'
+        output.last.should be_a(Process::Status)
+      end
+    end
+  end
+end