228 lines
6.3 KiB
PHP
228 lines
6.3 KiB
PHP
; sshlib.inc - SSHlib constants
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;
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; Copyright (C) 2016-2024 Jeffrey Amelynck
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;
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; This program is free software: you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation, either version 3 of the License, or
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; (at your option) any later version.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with this program. If not, see <http://www.gnu.org/licenses/>.
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; Error codes
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SSHLIB_ERR_NOMEM = -1
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SSHLIB_ERR_SOCKET = -2
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SSHLIB_ERR_PROTOCOL = -3
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SSHLIB_ERR_HOSTNAME = -4
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SSHLIB_ERR_DISCONNECTING = -5
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SSHLIB_ERR_MAC_VERIFY_FAIL = -6
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SSHLIB_ERR_HKEY_NO_ALGO = -7
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SSHLIB_ERR_HKEY_VERIFY_FAIL = -8
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SSHLIB_ERR_HKEY_SIGNATURE = -9
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SSHLIB_ERR_HKEY_PUBLIC_KEY = -10
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SSHLIB_ERR_NO_ALGO = -11
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; Channel status codes
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SSHLIB_CHAN_STAT_CONNECTING = 0
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SSHLIB_CHAN_STAT_CONNECTED = 1
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SSHLIB_CHAN_STAT_EOF_RECEIVED = 2
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SSHLIB_CHAN_STAT_CLOSING = 3
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SSHLIB_CHAN_STAT_CLOSED = 3
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; Connection status codes
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SSHLIB_CON_STAT_INIT = 0
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SSHLIB_CON_STAT_KEX_DONE = 1
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; Algorithm identifier codes
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SSHLIB_ALGO_FAIL = 0
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SSHLIB_ALGO_NONE = 1
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SSHLIB_KEX_DH_SHA256 = 2
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SSHLIB_HOSTKEY_DSS = 2
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SSHLIB_HOSTKEY_RSA_SHA1 = 3
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SSHLIB_HOSTKEY_RSA_SHA2_256 = 4
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SSHLIB_HOSTKEY_RSA_SHA2_512 = 5
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SSHLIB_CRYPT_AES128_CTR = 2
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SSHLIB_CRYPT_AES128_CBC = 3
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SSHLIB_CRYPT_AES192_CTR = 4
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SSHLIB_CRYPT_AES192_CBC = 5
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SSHLIB_CRYPT_AES256_CTR = 6
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SSHLIB_CRYPT_AES256_CBC = 7
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SSHLIB_CRYPT_CHACHA20_POLY1305 = 8
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SSHLIB_MAC_HMAC_SHA2_256 = 2
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SSHLIB_MAC_HMAC_SHA2_512 = 3
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SSHLIB_MAC_HMAC_SHA2_256_ETM = 4
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SSHLIB_MAC_HMAC_SHA2_512_ETM = 5
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SSHLIB_COMPR_NONE = 2
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SSHLIB_COMPR_ZLIB = 3
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iglobal
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algorithms_kex:
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dd SSHLIB_KEX_DH_SHA256
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db "diffie-hellman-group-exchange-sha256", 0
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dd 0
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algorithms_hostkey:
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dd SSHLIB_HOSTKEY_DSS
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db "ssh-dss", 0
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dd SSHLIB_HOSTKEY_RSA_SHA1
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db "ssh-rsa ", 0
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dd SSHLIB_HOSTKEY_RSA_SHA2_256
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db "rsa-sha2-256", 0
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dd SSHLIB_HOSTKEY_RSA_SHA2_512
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db "rsa-sha2-512", 0
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dd 0
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algorithms_crypt:
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;dd SSHLIB_CRYPT_AES128_CTR
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;db "aes128-ctr", 0
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;dd SSHLIB_CRYPT_AES128_CBC
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;db "aes128-cbc", 0
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;dd SSHLIB_CRYPT_AES192_CTR
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;db "aes192-cbc", 0
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;dd SSHLIB_CRYPT_AES192_CBC
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;db "aes192-ctr", 0
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dd SSHLIB_CRYPT_AES256_CTR
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db "aes256-ctr", 0
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dd SSHLIB_CRYPT_AES256_CBC
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db "aes256-cbc", 0
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dd SSHLIB_CRYPT_CHACHA20_POLY1305
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db "chacha20-poly1305@openssh.com", 0
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dd 0
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algorithms_mac:
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dd SSHLIB_MAC_HMAC_SHA2_256
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db "hmac-sha2-256", 0
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dd SSHLIB_MAC_HMAC_SHA2_512
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db "hmac-sha2-512", 0
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dd SSHLIB_MAC_HMAC_SHA2_256_ETM
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db "hmac-sha2-256-etm@openssh.com", 0
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dd SSHLIB_MAC_HMAC_SHA2_512_ETM
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db "hmac-sha2-512-etm@openssh.com", 0
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dd 0
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algorithms_compression:
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dd SSHLIB_COMPR_NONE
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db "none"
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;dd SSHLIB_COMPR_ZLIB
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;db "zlib@openssh.com", 0
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dd 0
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languages:
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dd 0
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db 0
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endg
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; Hostkey
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SSHLIB_HOSTKEY_PROBLEM_UNKNOWN = 0
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SSHLIB_HOSTKEY_PROBLEM_MISMATCH = 1
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SSHLIB_HOSTKEY_REFUSE = -1
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SSHLIB_HOSTKEY_ACCEPT = 0
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SSHLIB_HOSTKEY_ONCE = 1
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; SSH network packet header
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struct ssh_packet_header
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packet_length dd ? ; The length of the packet in bytes, not including 'mac' or the
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; 'packet_length' field itself.
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padding_length db ? ; Length of 'random padding' (bytes).
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message_code db ? ; First byte of payload
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ends
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; SSH connection structure
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struct sshlib_connection
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status dd ?
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socketnum dd ?
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rx_proc dd ?
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tx_proc dd ?
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rx_mac_ctx rb LIBCRASH_CTX_LEN
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tx_mac_ctx rb LIBCRASH_CTX_LEN
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rx_crypt_ctx rb LIBCRASH_CTX_LEN
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tx_crypt_ctx rb LIBCRASH_CTX_LEN
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rx_crypt_proc dd ?
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tx_crypt_proc dd ?
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rx_crypt_blocksize dd ?
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tx_crypt_blocksize dd ?
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tx_pad_size dd ? ; = Max(8, tx_crypt_blocksize)
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dd ?
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rx_mac_proc dd ?
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tx_mac_proc dd ?
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rx_mac_length dd ?
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tx_mac_length dd ?
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rd 3 ; align
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rx_mac_seqnr dd ? ; DO NOT MOVE (specific place for HMAC)
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rx_buffer ssh_packet_header
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rb BUFFERSIZE-sizeof.ssh_packet_header
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tx_mac_seqnr dd ? ; DO NOT MOVE (specific place for HMAC)
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tx_buffer ssh_packet_header
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rb PACKETSIZE-sizeof.ssh_packet_header
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part_ex_hash_ctx rb LIBCRASH_CTX_LEN
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session_id rb SHA2_256_LEN
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algo_kex dd ?
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algo_hostkey dd ?
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algo_crypt_rx dd ?
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algo_crypt_tx dd ?
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algo_mac_rx dd ?
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algo_mac_tx dd ?
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algo_compr_rx dd ?
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algo_compr_tx dd ?
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hostname_sz rb MAX_HOSTNAME_LENGTH
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rx_enc_key rb 2*256/8
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tx_enc_key rb 2*256/8
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rx_int_key rb 2*256/8
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tx_int_key rb 2*256/8
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rx_iv rb 2*256/8
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tx_iv rb 2*256/8
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ends
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; SSH channel structure
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struct sshlib_channel
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id dd ? ; Channel ID (big endian)
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status dd ? ; Channel status
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rcv_wnd dd ? ; Receive window
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snd_wnd dd ? ; Send window
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; rcv_callb dd ? ; TODO
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ends
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