Added auth definition file.

Author: Pan

ssh/c_auth.pxd

@@ -0,0 +1,51 @@
+# This file is part of ssh-python.
+# Copyright (C) 2018 Panos Kittenis
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation, version 2.1.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-130
+
+# cimport c_callbacks
+
+from c_ssh cimport uint32_t
+
+cdef extern from "libssh/include/auth.h" nogil:
+    struct ssh_kbdint_struct:
+        uint32_t nprompts
+        uint32_t nanswers
+        char *name
+        char *instruction
+        char **prompts
+        unsigned char *echo
+        char **answers
+    ctypedef ssh_kbdint_struct *ssh_kbdint
+    ssh_kbdint ssh_kbdint_new();
+    void ssh_kbdint_clean(ssh_kbdint kbd)
+    void ssh_kbdint_free(ssh_kbdint kbd)
+    enum ssh_auth_state_e:
+        SSH_AUTH_STATE_NONE
+        SSH_AUTH_STATE_PARTIAL
+        SSH_AUTH_STATE_SUCCESS
+        SSH_AUTH_STATE_FAILED
+        SSH_AUTH_STATE_ERROR
+        SSH_AUTH_STATE_INFO
+        SSH_AUTH_STATE_PK_OK
+        SSH_AUTH_STATE_KBDINT_SENT
+        SSH_AUTH_STATE_GSSAPI_REQUEST_SENT
+        SSH_AUTH_STATE_GSSAPI_TOKEN
+        SSH_AUTH_STATE_GSSAPI_MIC_SENT
+    enum ssh_auth_service_state_e:
+        SSH_AUTH_SERVICE_NONE
+        SSH_AUTH_SERVICE_SENT
+        SSH_AUTH_SERVICE_ACCEPTED
+        SSH_AUTH_SERVICE_DENIED
+        SSH_AUTH_SERVICE_USER_SENT

ssh/ssh.pyx

@@ -17,3 +17,4 @@
 
 cimport c_ssh
 cimport c_agent
+cimport c_auth