From 820709938e4313e04bab160115cc215769c3a1fb Mon Sep 17 00:00:00 2001
From: "Kali Kaneko (leap communications)" <kali@leap.se>
Date: Thu, 1 Jun 2017 03:06:51 +0200
Subject: [refactor] improve error reporting when openvpn not found

---
 src/leap/bitmask/cli/command.py  |  5 ++++-
 src/leap/bitmask/vpn/launcher.py |  4 +++-
 src/leap/bitmask/vpn/service.py  | 14 +++++++++++---
 src/leap/bitmask/vpn/vpn.py      |  8 +++++++-
 4 files changed, 25 insertions(+), 6 deletions(-)

(limited to 'src')

diff --git a/src/leap/bitmask/cli/command.py b/src/leap/bitmask/cli/command.py
index 77d2bdfc..cc3514b0 100644
--- a/src/leap/bitmask/cli/command.py
+++ b/src/leap/bitmask/cli/command.py
@@ -148,9 +148,12 @@ class Command(object):
         if self.print_json:
             print(json.dumps(obj, indent=2))
         elif not obj['error']:
-            if not obj['result']:
+            if 'result' not in obj:
                 print (Fore.RED + 'ERROR: malformed response, expected'
                        ' obj["result"]' + Fore.RESET)
+            elif obj['result'] is None:
+                print (Fore.RED + 'ERROR: empty response. Check logs.' +
+                       Fore.RESET)
             else:
                 return printer(obj['result'])
         else:
diff --git a/src/leap/bitmask/vpn/launcher.py b/src/leap/bitmask/vpn/launcher.py
index 28c8a31f..f412acef 100644
--- a/src/leap/bitmask/vpn/launcher.py
+++ b/src/leap/bitmask/vpn/launcher.py
@@ -201,7 +201,9 @@ class VPNLauncher(object):
         if not os.path.isfile(openvpn_path):
             log.warn('Could not find openvpn bin in path %s' % (
                      openvpn_path))
-            raise OpenVPNNotFoundException()
+            err = OpenVPNNotFoundException()
+            err.expected = True
+            raise err
 
         args = []
 
diff --git a/src/leap/bitmask/vpn/service.py b/src/leap/bitmask/vpn/service.py
index 874c30d3..5ab1e97e 100644
--- a/src/leap/bitmask/vpn/service.py
+++ b/src/leap/bitmask/vpn/service.py
@@ -78,16 +78,24 @@ class VPNService(HookableService):
             exc.expected = True
             raise exc
         yield self._setup(domain)
+
         try:
-            self._vpn.start()
+            started = self._vpn.start()
+
+        # XXX capture it inside start method
+        # here I'd like to get (status, message)
         except NoPolkitAuthAgentAvailable as e:
             e.expected = True
             raise e
+        # --------------------------------------
 
-        self._started = True
+        self._started = started
         self._domain = domain
         self._write_last(domain)
-        defer.returnValue({'result': 'started'})
+        if started:
+            defer.returnValue({'result': 'started'})
+        else:
+            raise Exception('Could not start VPN, check logs')
 
     def stop_vpn(self):
         # TODO -----------------------------
diff --git a/src/leap/bitmask/vpn/vpn.py b/src/leap/bitmask/vpn/vpn.py
index 677c9b91..23f0a582 100644
--- a/src/leap/bitmask/vpn/vpn.py
+++ b/src/leap/bitmask/vpn/vpn.py
@@ -44,7 +44,12 @@ class VPNManager(object):
             return False
         print(Fore.GREEN + "Firewall: started" + Fore.RESET)
 
-        vpn_ok = self._vpn.start()
+        try:
+            vpn_ok = self._vpn.start()
+        except Exception:
+            self.starting = False
+            return False
+
         if not vpn_ok:
             print (Fore.RED + "VPN: Error starting." + Fore.RESET)
             self._firewall.stop()
@@ -52,6 +57,7 @@ class VPNManager(object):
             self.starting = False
             return False
         print(Fore.GREEN + "VPN: started" + Fore.RESET)
+        return True
 
     def stop(self):
         self.starting = False
-- 
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