Я использую скрипт конфигурации поверх ssh по следующей ссылке. Скрипт не важен, важен импорт модуля parmaiko.Но я добавил ссылку:
https://github.com/enessanal/NetConfPy/blob/master/netconf.py
и связанный фрагмент кода:
import paramiko
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
try:
ssh.connect(hostname=host,port=port,username=username,password=password,timeout=timeout)
except Exception as exception:
print(str(exception))
Сценарий успешно запускается на всех устройствах linux, включая коммутаторы HP старой модели, кроме одногоустройство, Cisco SG-300 Switch.Я думаю, что я понимаю проблему.Проблема в коммутаторе.Этот тип переключателей ведет себя по-разному.При попытке установить нормальное ssh-соединение с помощью команды ssh или через Putty происходит два механизма аутентификации.Первый - «Войти как», а другой - «Имя пользователя».Мы заинтересованы во втором.Но программа (клиент paramiko) не может обойти часть входа в систему.И выбрасывать "Плохой тип аутентификации" исключение на каждый разКак я могу решить эту проблему?Или есть другой метод для автоматизации конфигурации через ssh-соединение?
Информация об отладке:
OpenSSH_7.9p1 Debian-1, OpenSSL 1.1.1 11 Sep 2018
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 19: Applying options for *
debug2: resolve_canonicalize: hostname 10.39.31.11 is address
debug2: ssh_connect_direct
debug1: Connecting to 10.39.31.11 [10.39.31.11] port 22.
debug1: Connection established.
debug1: identity file /root/.ssh/id_rsa type -1
debug1: identity file /root/.ssh/id_rsa-cert type -1
debug1: identity file /root/.ssh/id_dsa type -1
debug1: identity file /root/.ssh/id_dsa-cert type -1
debug1: identity file /root/.ssh/id_ecdsa type -1
debug1: identity file /root/.ssh/id_ecdsa-cert type -1
debug1: identity file /root/.ssh/id_ed25519 type -1
debug1: identity file /root/.ssh/id_ed25519-cert type -1
debug1: identity file /root/.ssh/id_xmss type -1
debug1: identity file /root/.ssh/id_xmss-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_7.9p1 Debian-1
debug1: Remote protocol version 2.0, remote software version OpenSSH_7.3p1.RL
debug1: match: OpenSSH_7.3p1.RL pat OpenSSH_7.0*,OpenSSH_7.1*,OpenSSH_7.2*,OpenSSH_7.3*,OpenSSH_7.4*,OpenSSH_7.5*,OpenSSH_7.6*,OpenSSH_7.7* compat 0x04000002
debug2: fd 5 setting O_NONBLOCK
debug1: Authenticating to 10.39.31.11:22 as 'root'
debug3: hostkeys_foreach: reading file "/root/.ssh/known_hosts"
debug3: record_hostkey: found key type RSA in file /root/.ssh/known_hosts:9
debug3: load_hostkeys: loaded 1 keys from 10.39.31.11
debug3: order_hostkeyalgs: prefer hostkeyalgs: rsa-sha2-512-cert-v01@openssh.com,rsa-sha2-256-cert-v01@openssh.com,ssh-rsa-cert-v01@openssh.com,rsa-sha2-512,rsa-sha2-256,ssh-rsa
debug3: send packet: type 20
debug1: SSH2_MSG_KEXINIT sent
debug3: receive packet: type 20
debug1: SSH2_MSG_KEXINIT received
debug2: local client KEXINIT proposal
debug2: KEX algorithms: curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1,ext-info-c
debug2: host key algorithms: rsa-sha2-512-cert-v01@openssh.com,rsa-sha2-256-cert-v01@openssh.com,ssh-rsa-cert-v01@openssh.com,rsa-sha2-512,rsa-sha2-256,ssh-rsa,ecdsa-sha2-nistp256-cert-v01@openssh.com,ecdsa-sha2-nistp384-cert-v01@openssh.com,ecdsa-sha2-nistp521-cert-v01@openssh.com,ssh-ed25519-cert-v01@openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-ed25519
debug2: ciphers ctos: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com
debug2: ciphers stoc: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com
debug2: MACs ctos: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,zlib@openssh.com,zlib
debug2: compression stoc: none,zlib@openssh.com,zlib
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug2: peer server KEXINIT proposal
debug2: KEX algorithms: diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1,diffie-hellman-group14-sha1
debug2: host key algorithms: ssh-rsa,ssh-dss
debug2: ciphers ctos: aes128-ctr,aes192-ctr,aes256-ctr,chacha20-poly1305@openssh.com
debug2: ciphers stoc: aes128-ctr,aes192-ctr,aes256-ctr,chacha20-poly1305@openssh.com
debug2: MACs ctos: hmac-sha1
debug2: MACs stoc: hmac-sha1
debug2: compression ctos: none
debug2: compression stoc: none
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug1: kex: algorithm: diffie-hellman-group14-sha1
debug1: kex: host key algorithm: ssh-rsa
debug1: kex: server->client cipher: chacha20-poly1305@openssh.com MAC: <implicit> compression: none
debug1: kex: client->server cipher: chacha20-poly1305@openssh.com MAC: <implicit> compression: none
debug1: sending SSH2_MSG_KEXDH_INIT
debug2: bits set: 1001/2048
debug3: send packet: type 30
debug1: expecting SSH2_MSG_KEXDH_REPLY
debug3: receive packet: type 31
debug1: Server host key: ssh-rsa SHA256:dS79N4clCGySrehvWW5kpCRgm3VXlYClD0pyoaYSNoQ
debug3: hostkeys_foreach: reading file "/root/.ssh/known_hosts"
debug3: record_hostkey: found key type RSA in file /root/.ssh/known_hosts:9
debug3: load_hostkeys: loaded 1 keys from 10.34.35.11
debug1: Host '10.39.31.11' is known and matches the RSA host key.
debug1: Found key in /root/.ssh/known_hosts:9
debug2: bits set: 1068/2048
debug3: send packet: type 21
debug2: set_newkeys: mode 1
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug3: receive packet: type 21
debug1: SSH2_MSG_NEWKEYS received
debug2: set_newkeys: mode 0
debug1: rekey after 134217728 blocks
debug1: Will attempt key: /root/.ssh/id_rsa
debug1: Will attempt key: /root/.ssh/id_dsa
debug1: Will attempt key: /root/.ssh/id_ecdsa
debug1: Will attempt key: /root/.ssh/id_ed25519
debug1: Will attempt key: /root/.ssh/id_xmss
debug2: pubkey_prepare: done
debug3: send packet: type 5
debug3: receive packet: type 7
debug1: SSH2_MSG_EXT_INFO received
debug1: kex_input_ext_info: server-sig-algs=<rsa-sha2-256,rsa-sha2-512>
debug3: receive packet: type 6
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug3: send packet: type 50
debug3: receive packet: type 52
debug1: Authentication succeeded (none).
Authenticated to 10.39.31.11 ([10.39.31.11]:22).
debug1: channel 0: new [client-session]
debug3: ssh_session2_open: channel_new: 0
debug2: channel 0: send open
debug3: send packet: type 90
debug1: Requesting no-more-sessions@openssh.com
debug3: send packet: type 80
debug1: Entering interactive session.
debug1: pledge: network
debug3: receive packet: type 91
debug2: channel_input_open_confirmation: channel 0: callback start
debug2: fd 5 setting TCP_NODELAY
debug3: ssh_packet_set_tos: set IP_TOS 0x08
debug2: client_session2_setup: id 0
debug2: channel 0: request pty-req confirm 1
debug3: send packet: type 98
debug1: Sending environment.
debug3: Ignored env LS_COLORS
debug3: Ignored env SSH_CONNECTION
debug1: Sending env LANG = en_US.UTF-8
debug2: channel 0: request env confirm 0
debug3: send packet: type 98
debug3: Ignored env XDG_SESSION_ID
debug3: Ignored env USER
debug3: Ignored env PWD
debug3: Ignored env HOME
debug3: Ignored env SSH_CLIENT
debug3: Ignored env SSH_TTY
debug3: Ignored env MAIL
debug3: Ignored env TERM
debug3: Ignored env SHELL
debug3: Ignored env SHLVL
debug3: Ignored env LOGNAME
debug3: Ignored env DBUS_SESSION_BUS_ADDRESS
debug3: Ignored env XDG_RUNTIME_DIR
debug3: Ignored env PATH
debug3: Ignored env _
debug2: channel 0: request shell confirm 1
debug3: send packet: type 98
debug2: channel_input_open_confirmation: channel 0: callback done
debug2: channel 0: open confirm rwindow 2097152 rmax 32768
debug3: receive packet: type 99
debug2: channel_input_status_confirm: type 99 id 0
debug2: PTY allocation request accepted on channel 0
debug3: receive packet: type 99
debug2: channel_input_status_confirm: type 99 id 0
debug2: shell request accepted on channel 0
User Name:wrong_credentils_don't_effect_the_logs
Password:***
User Name:cisco
Password:************
Switch1>exit
debug3: receive packet: type 97
debug2: channel 0: rcvd close
debug2: channel 0: output open -> drain
debug2: channel 0: chan_shutdown_read (i0 o1 sock -1 wfd 6 efd 8 [write])
debug2: channel 0: input open -> closed
debug3: channel 0: will not send data after close
debug3: channel 0: will not send data after close
debug2: channel 0: obuf empty
debug2: channel 0: chan_shutdown_write (i3 o1 sock -1 wfd 7 efd 8 [write])
debug2: channel 0: output drain -> closed
debug2: channel 0: almost dead
debug2: channel 0: gc: notify user
debug2: channel 0: gc: user detached
debug2: channel 0: send close
debug3: send packet: type 97
debug2: channel 0: is dead
debug2: channel 0: garbage collecting
debug1: channel 0: free: client-session, nchannels 1
debug3: channel 0: status: The following connections are open:
#0 client-session (t4 r0 i3/0 o3/0 e[write]/0 fd -1/-1/8 sock -1 cc -1)
debug3: send packet: type 1
debug3: fd 1 is not O_NONBLOCK
Connection to 10.39.31.11 closed.
Transferred: sent 3552, received 2776 bytes, in 28.7 seconds
Bytes per second: sent 123.9, received 96.8
debug1: Exit status -1
И файл журнала paramiko:
DEB [20181204-11:25:17.677] thr=1 paramiko.transport: starting thread (client mode): 0x3c1fed0
DEB [20181204-11:25:17.677] thr=1 paramiko.transport: Local version/idstring: SSH-2.0-paramiko_2.4.2
DEB [20181204-11:25:17.695] thr=1 paramiko.transport: Remote version/idstring: SSH-2.0-OpenSSH_7.3p1.RL
INF [20181204-11:25:17.695] thr=1 paramiko.transport: Connected (version 2.0, client OpenSSH_7.3p1.RL)
DEB [20181204-11:25:18.015] thr=1 paramiko.transport: kex algos:['diffie-hellman-group-exchange-sha1', 'diffie-hellman-group1-sha1', 'diffie-hellman-group14-sha1'] server key:['ssh-rsa', 'ssh-dss'] client encrypt:['aes128-ctr', 'aes192-ctr', 'aes256-ctr', 'chacha20-poly1305@openssh.com'] server encrypt:['aes128-ctr', 'aes192-ctr', 'aes256-ctr', 'chacha20-poly1305@openssh.com'] client mac:['hmac-sha1'] server mac:['hmac-sha1'] client compress:['none'] server compress:['none'] client lang:[''] server lang:[''] kex follows?False
DEB [20181204-11:25:18.016] thr=1 paramiko.transport: Kex agreed: diffie-hellman-group-exchange-sha1
DEB [20181204-11:25:18.016] thr=1 paramiko.transport: HostKey agreed: ssh-rsa
DEB [20181204-11:25:18.016] thr=1 paramiko.transport: Cipher agreed: aes128-ctr
DEB [20181204-11:25:18.016] thr=1 paramiko.transport: MAC agreed: hmac-sha1
DEB [20181204-11:25:18.016] thr=1 paramiko.transport: Compression agreed: none
DEB [20181204-11:25:18.027] thr=1 paramiko.transport: Got server p (2048 bits)
DEB [20181204-11:25:18.459] thr=1 paramiko.transport: kex engine KexGex specified hash_algo <built-in function openssl_sha1>
DEB [20181204-11:25:18.459] thr=1 paramiko.transport: Switch to new keys ...
DEB [20181204-11:25:18.460] thr=2 paramiko.transport: Adding ssh-rsa host key for 10.39.31.11: b'd6d12a09458873202a0e271b90d38a7d'
DEB [20181204-11:25:18.936] thr=1 paramiko.transport: userauth is OK
DEB [20181204-11:25:18.940] thr=1 paramiko.transport: Authentication type (password) not permitted.
DEB [20181204-11:25:18.940] thr=1 paramiko.transport: Allowed methods: ['']
DEB [20181204-11:25:18.941] thr=1 paramiko.transport: EOF in transport thread
DEB [20181204-11:25:18.946] thr=3 paramiko.transport: starting thread (client mode): 0x386b0f0
DEB [20181204-11:25:18.947] thr=3 paramiko.transport: Local version/idstring: SSH-2.0-paramiko_2.4.2
DEB [20181204-11:25:19.245] thr=3 paramiko.transport: Remote version/idstring: SSH-2.0-OpenSSH_7.3p1.RL
INF [20181204-11:25:19.245] thr=3 paramiko.transport: Connected (version 2.0, client OpenSSH_7.3p1.RL)
DEB [20181204-11:25:19.566] thr=3 paramiko.transport: kex algos:['diffie-hellman-group-exchange-sha1', 'diffie-hellman-group1-sha1', 'diffie-hellman-group14-sha1'] server key:['ssh-rsa', 'ssh-dss'] client encrypt:['aes128-ctr', 'aes192-ctr', 'aes256-ctr', 'chacha20-poly1305@openssh.com'] server encrypt:['aes128-ctr', 'aes192-ctr', 'aes256-ctr', 'chacha20-poly1305@openssh.com'] client mac:['hmac-sha1'] server mac:['hmac-sha1'] client compress:['none'] server compress:['none'] client lang:[''] server lang:[''] kex follows?False
DEB [20181204-11:25:19.566] thr=3 paramiko.transport: Kex agreed: diffie-hellman-group-exchange-sha1
DEB [20181204-11:25:19.566] thr=3 paramiko.transport: HostKey agreed: ssh-rsa
DEB [20181204-11:25:19.566] thr=3 paramiko.transport: Cipher agreed: aes128-ctr
DEB [20181204-11:25:19.566] thr=3 paramiko.transport: MAC agreed: hmac-sha1
DEB [20181204-11:25:19.567] thr=3 paramiko.transport: Compression agreed: none
DEB [20181204-11:25:19.576] thr=3 paramiko.transport: Got server p (2048 bits)
DEB [20181204-11:25:19.946] thr=3 paramiko.transport: kex engine KexGex specified hash_algo <built-in function openssl_sha1>
DEB [20181204-11:25:19.946] thr=3 paramiko.transport: Switch to new keys ...
DEB [20181204-11:25:19.947] thr=2 paramiko.transport: Adding ssh-rsa host key for 10.39.31.11: b'd6d12a09458873202a0e271b90d38a7d'
DEB [20181204-11:25:20.486] thr=3 paramiko.transport: userauth is OK
DEB [20181204-11:25:20.491] thr=3 paramiko.transport: Authentication type (password) not permitted.
DEB [20181204-11:25:20.491] thr=3 paramiko.transport: Allowed methods: ['']
DEB [20181204-11:25:20.492] thr=3 paramiko.transport: EOF in transport thread
Программа исключения строки выдает:
[*] Testing connection...
[*] Getting banner...
[+] Banner => SSH-2.0-OpenSSH_7.3p1.RL
[-] Failed to connect => 10.39.31.11:22 (('Bad authentication type', ['']) (allowed_types=['']))
[*] Exiting...
Большое спасибо.
Экран подключения Cisco ssh