Adding in some tests

cleaning up the regex a bit

MSP-9678

lib/metasploit/framework/login_scanner/pop3.rb

@@ -31,21 +31,21 @@ module Metasploit
 
             # Check to see if we recieved an OK?
             result_options[:proof] = sock.get_once
-            if result_options[:proof][/^\+OK (.*)/]
+            if result_options[:proof][/^\+OK.*/]
               # If we received an OK we should send the USER
               sock.put("USER #{credential.public}\r\n")
               result_options[:proof] = sock.get_once
-              if result_options[:proof][/^\+OK (.*)/]
+              if result_options[:proof][/^\+OK.*/]
                 # If we got an OK after the username we can send the PASS
                 sock.put("PASS #{credential.private}\r\n")
                 result_options[:proof] = sock.get_once
-                if result_options[:proof][/^\+OK (.*)/]
+                if result_options[:proof][/^\+OK.*/]
                   # if the pass gives an OK, were good to go
                   result_options[:status] = :success
                 end
               end
             end
-          rescue ::Rex::ConnectionError, ::Timeout::Error, ::Errno::EPIPE => e
+          rescue Rex::ConnectionError, EOFError, Timeout::Error, Errno::EPIPE => e
             result_options.merge!(
               proof: e.message,
               status: :connection_error
@@ -64,11 +64,7 @@ module Metasploit
         def set_sane_defaults
           self.max_send_size ||= 0
           self.send_delay ||= 0
-          if self.ssl?
-            self.port ||= 995
-          else
-            self.port ||= 110
-          end
+          self.port ||= 110
         end
 
      end

spec/lib/metasploit/framework/login_scanner/pop3_spec.rb

@@ -8,7 +8,74 @@ describe Metasploit::Framework::LoginScanner::POP3 do
   it_behaves_like 'Metasploit::Framework::LoginScanner::RexSocket'
 
   context "#attempt_login" do
+    
+    let(:pub_blank) do
+      Metasploit::Framework::LoginScanner::Credential.new(
+        paired: true,
+        public: "public",
+        private: ''
+      )
+    end
+    context "Raised Exceptions" do
+      it "Rex::ConnectionError should result in status :connection_error" do
+        expect(scanner).to receive(:connect).and_raise(Rex::ConnectionError)
+        result = scanner.attempt_login(pub_blank)
 
+        expect(result).to be_kind_of(Metasploit::Framework::LoginScanner::Result)
+        expect(result.status).to eq(:connection_error)
+      end
 
+      it "Timeout::Error should result in status :connection_error" do
+        expect(scanner).to receive(:connect).and_raise(Timeout::Error)
+        result = scanner.attempt_login(pub_blank)
+
+        expect(result).to be_kind_of(Metasploit::Framework::LoginScanner::Result)
+        expect(result.status).to eq(:connection_error)
+      end
+
+      it "EOFError should result in status :connection_error" do
+        expect(scanner).to receive(:connect).and_raise(EOFError)
+        result = scanner.attempt_login(pub_blank)
+
+        expect(result).to be_kind_of(Metasploit::Framework::LoginScanner::Result)
+        expect(result.status).to eq(:connection_error)
+      end
+    end
+    
+    context "Open Connection" do
+      let(:sock) {double('socket')}
+      
+      before(:each) do
+        sock.stub(:shutdown)
+        sock.stub(:close)
+        expect(scanner).to receive(:connect)
+        scanner.stub(:sock).and_return(sock)
+                
+      end
+      
+      it "Server returns +OK" do
+        expect(sock).to receive(:get_once).exactly(3).times.and_return("+OK")
+        expect(sock).to receive(:put).with("USER public\r\n").once.ordered
+        expect(sock).to receive(:put).with("PASS \r\n").once.ordered
+        
+        result = scanner.attempt_login(pub_blank)
+
+        expect(result).to be_kind_of(Metasploit::Framework::LoginScanner::Result)
+        expect(result.status).to eq(:success)
+        
+      end
+      
+      it "Server Returns Something Else" do
+        sock.stub(:get_once).and_return("+ERROR")
+        
+        result = scanner.attempt_login(pub_blank)
+
+        expect(result).to be_kind_of(Metasploit::Framework::LoginScanner::Result)
+        expect(result.status).to eq(:failed)
+        expect(result.proof).to eq("+ERROR")
+        
+      end
+    end
+    
   end
 end