1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
|
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2008-2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
%%
%%----------------------------------------------------------------------
%% Purpose: Record and constant defenitions for the SSH-tansport layer
%% protocol see RFC 4253
%%----------------------------------------------------------------------
-ifndef(ssh_transport).
-define(ssh_transport, true).
-define(DEFAULT_CLIENT_VERSION, {2, 0}).
-define(DEFAULT_SERVER_VERSION, {2, 0}).
-define(MAX_NUM_ALGORITHMS, 200).
-define(DEFAULT_DH_GROUP_MIN, 1024).
-define(DEFAULT_DH_GROUP_NBITS, 2048).
-define(DEFAULT_DH_GROUP_MAX, 8192).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% BASIC transport messages
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-define(SSH_MSG_DISCONNECT, 1).
-define(SSH_MSG_IGNORE, 2).
-define(SSH_MSG_UNIMPLEMENTED, 3).
-define(SSH_MSG_DEBUG, 4).
-define(SSH_MSG_SERVICE_REQUEST, 5).
-define(SSH_MSG_SERVICE_ACCEPT, 6).
-define(SSH_MSG_EXT_INFO, 7).
-define(SSH_MSG_KEXINIT, 20).
-define(SSH_MSG_NEWKEYS, 21).
-record(ssh_msg_disconnect,
{
code, %% uint32
description, %% string
language %% string
}).
-record(ssh_msg_ignore,
{
data %% string
}).
-record(ssh_msg_unimplemented,
{
sequence %% uint32
}).
-record(ssh_msg_debug,
{
always_display, %% boolean
message, %% string
language %% string
}).
-record(ssh_msg_service_request,
{
name %% string (service name)
}).
-record(ssh_msg_service_accept,
{
name %% string
}).
-record(ssh_msg_ext_info,
{
nr_extensions, %% uint32
%% repeat the following 2 fields "nr-extensions" times:
%% string extension-name
%% string extension-value
data %% [{extension-name, %% string
%% extension-value}, %% string
%% ...
%% ]
}).
-record(ssh_msg_kexinit,
{
cookie, %% random(16)
kex_algorithms, %% string
server_host_key_algorithms, %% string
encryption_algorithms_client_to_server, %% string
encryption_algorithms_server_to_client, %% string
mac_algorithms_client_to_server, %% string
mac_algorithms_server_to_client, %% string
compression_algorithms_client_to_server, %% string
compression_algorithms_server_to_client, %% string
languages_client_to_server, %% string
languages_server_to_client, %% string
first_kex_packet_follows=false, %% boolean
%% (reserved for future extension)
reserved=0 %% uint32=0
}).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% KEY DH messages
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% diffie-hellman-group*-sha*
-define(SSH_MSG_KEXDH_INIT, 30).
-define(SSH_MSG_KEXDH_REPLY, 31).
-record(ssh_msg_kexdh_init,
{
e %% mpint
}).
-record(ssh_msg_kexdh_reply,
{
public_host_key, %% string (K_S)
f, %% mpint
h_sig %% string, signature of H
}).
-record(ssh_msg_newkeys,
{}).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% KEY DH GEX messages
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% diffie-hellman-group-exchange-sha1 | diffie-hellman-group-exchange-sha256
-define(SSH_MSG_KEX_DH_GEX_REQUEST_OLD, 30).
-define(SSH_MSG_KEX_DH_GEX_REQUEST, 34).
-define(SSH_MSG_KEX_DH_GEX_GROUP, 31).
-define(SSH_MSG_KEX_DH_GEX_INIT, 32).
-define(SSH_MSG_KEX_DH_GEX_REPLY, 33).
-record(ssh_msg_kex_dh_gex_request,
{
min,
n,
max
}).
-record(ssh_msg_kex_dh_gex_request_old,
{
n
}).
-record(ssh_msg_kex_dh_gex_group,
{
p, %% prime
g %% generator
}).
-record(ssh_msg_kex_dh_gex_init,
{
e
}).
-record(ssh_msg_kex_dh_gex_reply,
{
public_host_key, %% string (K_S)
f,
h_sig
}).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% KEY ECDH messages
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% ecdh-sha2-nistp256 | ecdh-sha2-nistp384 | ecdh-sha2-nistp521
-define(SSH_MSG_KEX_ECDH_INIT, 30).
-define(SSH_MSG_KEX_ECDH_REPLY, 31).
-record(ssh_msg_kex_ecdh_init,
{
q_c % string (client's ephemeral public key octet string)
}).
-record(ssh_msg_kex_ecdh_reply,
{
public_host_key, % string (server's public host key) (k_s)
q_s, % string (server's ephemeral public key octet string)
h_sig % string (the signature on the exchange hash)
}).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% error codes
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-define(SSH_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT, 1).
-define(SSH_DISCONNECT_PROTOCOL_ERROR, 2).
-define(SSH_DISCONNECT_KEY_EXCHANGE_FAILED, 3).
-define(SSH_DISCONNECT_RESERVED, 4).
-define(SSH_DISCONNECT_MAC_ERROR, 5).
-define(SSH_DISCONNECT_COMPRESSION_ERROR, 6).
-define(SSH_DISCONNECT_SERVICE_NOT_AVAILABLE, 7).
-define(SSH_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED, 8).
-define(SSH_DISCONNECT_HOST_KEY_NOT_VERIFIABLE, 9).
-define(SSH_DISCONNECT_CONNECTION_LOST, 10).
-define(SSH_DISCONNECT_BY_APPLICATION, 11).
-define(SSH_DISCONNECT_TOO_MANY_CONNECTIONS, 12).
-define(SSH_DISCONNECT_AUTH_CANCELLED_BY_USER, 13).
-define(SSH_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE, 14).
-define(SSH_DISCONNECT_ILLEGAL_USER_NAME, 15).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% groups
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%% rfc 2489, ch 6.2
%%% Size 1024
-define(dh_group1,
{2, 16#FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7EDEE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381FFFFFFFFFFFFFFFF}).
%%% rfc 3526, ch3
%%% Size 2048
-define(dh_group14,
{2, 16#FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7EDEE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3DC2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F83655D23DCA3AD961C62F356208552BB9ED529077096966D670C354E4ABC9804F1746C08CA18217C32905E462E36CE3BE39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9DE2BCBF6955817183995497CEA956AE515D2261898FA051015728E5A8AACAA68FFFFFFFFFFFFFFFF}).
%%% rfc 3526, ch5
%%% Size 4096-bit
-define(dh_group16,
{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}).
%%% rfc 3526, ch7
%%% Size 8192-bit
-define(dh_group18,
{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}).
-endif. % -ifdef(ssh_transport).
|
