def parse_public_key(public_key):
"""parse_public_key(public_key) -> SSH_Public_Private_Key instance
This takes a public key and generates an SSH_Public_Private_Key instance.
<public_key>: A packed public key. The format should be a packed string
with the first value being a string to identify the type.
"""
data, offset = packet.unpack_payload_get_offset((packet.STRING,), public_key)
keytype = data[0]
if not keytypes.has_key(keytype):
raise Unknown_Key_Type(keytype)
key_obj = keytypes[keytype]()
key_obj.set_public_key(public_key)
return key_obj
def parse_public_key(public_key):
"""parse_public_key(public_key) -> SSH_Public_Private_Key instance
This takes a public key and generates an SSH_Public_Private_Key instance.
<public_key>: A packed public key. The format should be a packed string
with the first value being a string to identify the type.
"""
data, offset = packet.unpack_payload_get_offset((packet.STRING,), public_key)
keytype = data[0]
if keytype not in keytypes:
raise Unknown_Key_Type(keytype)
key_obj = keytypes[keytype]()
key_obj.set_public_key(public_key)
return key_obj
def msg_channel_open_confirmation(self, pkt):
data, offset = ssh_packet.unpack_payload_get_offset(SSH_MSG_CHANNEL_OPEN_CONFIRMATION_PAYLOAD, pkt)
msg, recipient_channel, sender_channel, window_size, max_packet_size = data
self.transport.debug.write(ssh_debug.DEBUG_1, 'channel %i open confirmation sender_channel=%i window_size=%i max_packet_size=%i', (recipient_channel, sender_channel, window_size, max_packet_size))
channel = self.local_channels[recipient_channel]
# XXX: Assert that the channel is not already open?
channel.closed = 0
channel.eof = 0
channel.remote_channel.closed = 0
channel.remote_channel.channel_id = sender_channel
assert not self.remote_channels.has_key(sender_channel)
self.remote_channels[sender_channel] = channel.remote_channel
channel.remote_channel.window_size = window_size
channel.remote_channel.window_data_left = window_size
channel.remote_channel.max_packet_size = max_packet_size
additional_data = ssh_packet.unpack_payload(channel.additional_packet_data_types, pkt, offset)
channel.channel_open_success(additional_data)
def msg_channel_open_confirmation(self, pkt):
data, offset = ssh_packet.unpack_payload_get_offset(SSH_MSG_CHANNEL_OPEN_CONFIRMATION_PAYLOAD, pkt)
msg, recipient_channel, sender_channel, window_size, max_packet_size = data
self.transport.debug.write(
ssh_debug.DEBUG_1,
'channel %i open confirmation sender_channel=%i window_size=%i max_packet_size=%i',
(recipient_channel, sender_channel, window_size, max_packet_size))
channel = self.local_channels[recipient_channel]
# XXX: Assert that the channel is not already open?
channel.closed = 0
channel.eof = 0
channel.remote_channel.closed = 0
channel.remote_channel.channel_id = sender_channel
assert sender_channel not in self.remote_channels
self.remote_channels[sender_channel] = channel.remote_channel
channel.remote_channel.window_size = window_size
channel.remote_channel.window_data_left = window_size
channel.remote_channel.max_packet_size = max_packet_size
additional_data = ssh_packet.unpack_payload(channel.additional_packet_data_types, pkt, offset)
channel.channel_open_success(additional_data)
def msg_global_request(self, pkt):
# XXX: finish this (it's a server thing)
data, offset = ssh_packet.unpack_payload_get_offset(SSH_MSG_GLOBAL_REQUEST_PAYLOAD, pkt)
msg, request_name, want_reply = data
raise NotImplementedError
def msg_channel_request(self, pkt):
data, offset = ssh_packet.unpack_payload_get_offset(SSH_MSG_CHANNEL_REQUEST_PAYLOAD, pkt)
msg, channel_id, request_type, want_reply = data
channel = self.local_channels[channel_id]
channel.handle_request(request_type, want_reply, pkt[offset:])
def msg_global_request(self, pkt):
# XXX: finish this (it's a server thing)
data, offset = ssh_packet.unpack_payload_get_offset(SSH_MSG_GLOBAL_REQUEST_PAYLOAD, pkt)
msg, request_name, want_reply = data
raise NotImplementedError
def msg_channel_request(self, pkt):
data, offset = ssh_packet.unpack_payload_get_offset(SSH_MSG_CHANNEL_REQUEST_PAYLOAD, pkt)
msg, channel_id, request_type, want_reply = data
channel = self.local_channels[channel_id]
channel.handle_request(request_type, want_reply, pkt[offset:])
