Updated travis cfg.

Added get_exit_signal implementation for channel.
Added complete channel extension integration tests.

Author: Pan

.travis.yml

@@ -20,5 +20,7 @@ addons:
 install:
   - python setup.py build_ext --inplace
   - chmod 600 embedded_server/rsa.key
+  - eval "$(ssh-agent -s)"
 script:
   - nosetests
+  - flake8 ssh2

ssh2/agent.c

@@ -15,13 +15,15 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 
 cimport c_ssh2
+from session cimport Session
 
 
-cdef object PyAgent(c_ssh2.LIBSSH2_AGENT *agent)
+cdef object PyAgent(c_ssh2.LIBSSH2_AGENT *agent, Session session)
 
 
 cdef class Agent:
     cdef c_ssh2.LIBSSH2_AGENT *_agent
+    cdef Session _session
 
 
 cdef int auth_identity(const char *username,

ssh2/agent.pxd

@@ -47,17 +47,17 @@ cdef void clear_agent(c_ssh2.LIBSSH2_AGENT *agent) nogil:
     c_ssh2.libssh2_agent_free(agent)
 
 
-cdef object PyAgent(c_ssh2.LIBSSH2_AGENT *agent):
-    cdef Agent _agent = Agent()
+cdef object PyAgent(c_ssh2.LIBSSH2_AGENT *agent, Session session):
+    cdef Agent _agent = Agent(session)
     _agent._agent = agent
     return _agent
 
 
 cdef class Agent:
-    # TODO - Needs session reference
 
-    def __cinit__(self):
+    def __cinit__(self, Session session):
         self._agent = NULL
+        self._session = session
 
     def __dealloc__(self):
         with nogil:
@@ -104,6 +104,11 @@ cdef class Agent:
         with nogil:
             rc = c_ssh2.libssh2_agent_userauth(
                 self._agent, username, pkey._pkey)
+            if rc != 0 and rc != c_ssh2._LIBSSH2_ERROR_EAGAIN:
+                with gil:
+                    raise AgentAuthenticationError(
+                        "Error authenticating user %s with provided public key",
+                        username)
         return rc
 
     def disconnect(self):
@@ -113,7 +118,10 @@ cdef class Agent:
         return rc
 
     def connect(self):
+        cdef int rc
         with nogil:
-            if c_ssh2.libssh2_agent_connect(self._agent) != 0:
+            rc = c_ssh2.libssh2_agent_connect(self._agent)
+            if rc != 0:
                 with gil:
                     raise AgentConnectError("Unable to connect to agent")
+        return rc