From 02639b8d021f7d18972fff4c7d55d641ca7df9fe Mon Sep 17 00:00:00 2001
From: Wojtek Porczyk <woju@invisiblethingslab.com>
Date: Thu, 9 Feb 2017 20:16:23 +0100
Subject: [PATCH] qubes/mgmt: mgmt.vm.property.List

QubesOS/qubes-issues#2622
---
 qubes/mgmt.py | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/qubes/mgmt.py b/qubes/mgmt.py
index 55079501..09e0c65f 100644
--- a/qubes/mgmt.py
+++ b/qubes/mgmt.py
@@ -114,6 +114,12 @@ class QubesMgmt(object):
         return self.src.fire_event_pre('mgmt-permission:{}'.format(self.method),
             self.dest, self.arg, *args, **kwargs)
 
+    @not_in_api
+    def fire_event_for_filter(self, iterable, *args, **kwargs):
+        for selector in self.fire_event_for_permission(*args, **kwargs):
+            iterable = filter(selector, iterable)
+        return iterable
+
     @not_in_api
     def repr(self, *args, **kwargs):
         return self.prepr.repr(*args, **kwargs)
@@ -128,9 +134,7 @@ class QubesMgmt(object):
         assert not untrusted_payload
         del untrusted_payload
 
-        domains = self.app.domains
-        for selector in self.fire_event_for_permission():
-            domains = filter(selector, domains)
+        domains = self.fire_event_for_filter(self.app.domains)
 
         return ''.join('{} class={} state={}\n'.format(
                 self.repr(vm),
@@ -138,6 +142,15 @@ class QubesMgmt(object):
                 vm.get_power_state())
             for vm in sorted(domains))
 
+    def vm_property_list(self, untrusted_payload):
+        assert not self.arg
+        assert not untrusted_payload
+        del untrusted_payload
+
+        properties = self.fire_event_for_filter(self.dest.property_list())
+
+        return ''.join('{}\n'.format(prop.__name__) for prop in properties)
+
     def vm_property_get(self, untrusted_payload):
         assert self.arg in self.dest.property_list()
         assert not untrusted_payload
@@ -153,5 +166,3 @@ class QubesMgmt(object):
             return 'default={} {}'.format(
                 str(self.dest.property_is_default(self.arg)),
                 self.repr(value))
-
-