[Bug 3615] Host Based Authentication is failing

[bugzilla-daemon at mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=3615

--- Comment #16 from Richard Kreutzer <tunerooster at gmail.com> ---
rwk at basement-gentoo /etc/ssh $ ssh -vvv -p 1023 -o
PreferredAuthentications=hostbased gemini.krautclan.com pwd 
OpenSSH_9.4p1, OpenSSL 3.1.2 1 Aug 2023
debug1: Reading configuration data /etc/ssh/ssh_config
debug3: /etc/ssh/ssh_config line 51: Including file
/etc/ssh/ssh_config.d/9999999gentoo-security.conf depth 0
debug1: Reading configuration data
/etc/ssh/ssh_config.d/9999999gentoo-security.conf
debug3: /etc/ssh/ssh_config line 51: Including file
/etc/ssh/ssh_config.d/9999999gentoo.conf depth 0
debug1: Reading configuration data
/etc/ssh/ssh_config.d/9999999gentoo.conf
debug3: expanded UserKnownHostsFile '~/.ssh/known_hosts' ->
'/home/rwk/.ssh/known_hosts'
debug3: expanded UserKnownHostsFile '~/.ssh/known_hosts2' ->
'/home/rwk/.ssh/known_hosts2'
debug1: Authenticator provider $SSH_SK_PROVIDER did not resolve;
disabling
debug2: resolving "gemini.krautclan.com" port 1023
debug3: resolve_host: lookup gemini.krautclan.com:1023
debug3: ssh_connect_direct: entering
debug1: Connecting to gemini.krautclan.com [192.168.1.101] port 1023.
debug3: set_sock_tos: set socket 3 IP_TOS 0x48
debug1: Connection established.
debug1: HostbasedAuthentication enabled but no local public host keys
could be loaded.
debug1: identity file /home/rwk/.ssh/id_rsa type 0
debug1: identity file /home/rwk/.ssh/id_rsa-cert type -1
debug1: identity file /home/rwk/.ssh/id_ecdsa type -1
debug1: identity file /home/rwk/.ssh/id_ecdsa-cert type -1
debug1: identity file /home/rwk/.ssh/id_ecdsa_sk type -1
debug1: identity file /home/rwk/.ssh/id_ecdsa_sk-cert type -1
debug1: identity file /home/rwk/.ssh/id_ed25519 type 3
debug1: identity file /home/rwk/.ssh/id_ed25519-cert type -1
debug1: identity file /home/rwk/.ssh/id_ed25519_sk type -1
debug1: identity file /home/rwk/.ssh/id_ed25519_sk-cert type -1
debug1: identity file /home/rwk/.ssh/id_xmss type -1
debug1: identity file /home/rwk/.ssh/id_xmss-cert type -1
debug1: identity file /home/rwk/.ssh/id_dsa type -1
debug1: identity file /home/rwk/.ssh/id_dsa-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_9.4
debug1: Remote protocol version 2.0, remote software version
OpenSSH_9.4
debug1: compat_banner: match: OpenSSH_9.4 pat OpenSSH* compat
0x04000000
debug2: fd 3 setting O_NONBLOCK
debug1: Authenticating to gemini.krautclan.com:1023 as 'rwk'
debug3: put_host_port: [gemini.krautclan.com]:1023
debug1: load_hostkeys: fopen /home/rwk/.ssh/known_hosts2: No such file
or directory
debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or
directory
debug3: order_hostkeyalgs: no algorithms matched; accept original
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:
sntrup761x25519-sha512 at openssh.com,curve25519-sha256,curve25519-sha256 at 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,ext-info-c
debug2: host key algorithms:
ssh-ed25519-cert-v01 at openssh.com,ecdsa-sha2-nistp256-cert-v01 at openssh.com,ecdsa-sha2-nistp384-cert-v01 at openssh.com,ecdsa-sha2-nistp521-cert-v01 at openssh.com,sk-ssh-ed25519-cert-v01 at openssh.com,sk-ecdsa-sha2-nistp256-cert-v01 at openssh.com,rsa-sha2-512-cert-v01 at openssh.com,rsa-sha2-256-cert-v01 at openssh.com,ssh-ed25519,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,sk-ssh-ed25519 at openssh.com,sk-ecdsa-sha2-nistp256 at openssh.com,rsa-sha2-512,rsa-sha2-256
debug2: ciphers ctos:
chacha20-poly1305 at openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm at openssh.com,aes256-gcm at openssh.com
debug2: ciphers stoc:
chacha20-poly1305 at openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm at openssh.com,aes256-gcm at openssh.com
debug2: MACs ctos:
umac-64-etm at openssh.com,umac-128-etm at openssh.com,hmac-sha2-256-etm at openssh.com,hmac-sha2-512-etm at openssh.com,hmac-sha1-etm at openssh.com,umac-64 at openssh.com,umac-128 at openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc:
umac-64-etm at openssh.com,umac-128-etm at openssh.com,hmac-sha2-256-etm at openssh.com,hmac-sha2-512-etm at openssh.com,hmac-sha1-etm at openssh.com,umac-64 at openssh.com,umac-128 at openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,zlib at openssh.com,zlib
debug2: compression stoc: none,zlib at 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:
sntrup761x25519-sha512 at openssh.com,curve25519-sha256,curve25519-sha256 at 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
debug2: host key algorithms:
rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519
debug2: ciphers ctos:
chacha20-poly1305 at openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm at openssh.com,aes256-gcm at openssh.com
debug2: ciphers stoc:
chacha20-poly1305 at openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm at openssh.com,aes256-gcm at openssh.com
debug2: MACs ctos:
umac-64-etm at openssh.com,umac-128-etm at openssh.com,hmac-sha2-256-etm at openssh.com,hmac-sha2-512-etm at openssh.com,hmac-sha1-etm at openssh.com,umac-64 at openssh.com,umac-128 at openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc:
umac-64-etm at openssh.com,umac-128-etm at openssh.com,hmac-sha2-256-etm at openssh.com,hmac-sha2-512-etm at openssh.com,hmac-sha1-etm at openssh.com,umac-64 at openssh.com,umac-128 at openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,zlib at openssh.com
debug2: compression stoc: none,zlib at openssh.com
debug2: languages ctos: 
debug2: languages stoc: 
debug2: first_kex_follows 0 
debug2: reserved 0 
debug1: kex: algorithm: sntrup761x25519-sha512 at openssh.com
debug1: kex: host key algorithm: ssh-ed25519
debug1: kex: server->client cipher: chacha20-poly1305 at openssh.com MAC:
<implicit> compression: none
debug1: kex: client->server cipher: chacha20-poly1305 at openssh.com MAC:
<implicit> compression: none
debug3: send packet: type 30
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug3: receive packet: type 31
debug1: SSH2_MSG_KEX_ECDH_REPLY received
debug1: Server host key: ssh-ed25519
SHA256:sHM5dcf+1bWQpNjiA5x+kkhWpMO5EdMIfh7TqeTHcY8
debug2: ssh_krl_from_blob: bad KRL magic header
debug3: put_host_port: [192.168.1.101]:1023
debug3: put_host_port: [gemini.krautclan.com]:1023
debug1: load_hostkeys: fopen /home/rwk/.ssh/known_hosts2: No such file
or directory
debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or
directory
debug1: checking without port identifier
debug3: record_hostkey: found key type ED25519 in file
/home/rwk/.ssh/known_hosts:63
debug3: load_hostkeys_file: loaded 1 keys from gemini.krautclan.com
debug1: load_hostkeys: fopen /home/rwk/.ssh/known_hosts2: No such file
or directory
debug3: record_hostkey: found key type RSA in file
/etc/ssh/ssh_known_hosts:1
debug3: record_hostkey: found key type ECDSA in file
/etc/ssh/ssh_known_hosts:2
debug3: record_hostkey: found key type ED25519 in file
/etc/ssh/ssh_known_hosts:3
debug3: load_hostkeys_file: loaded 3 keys from gemini.krautclan.com
debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or
directory
debug1: Host 'gemini.krautclan.com' is known and matches the ED25519
host key.
debug1: Found key in /home/rwk/.ssh/known_hosts:63
debug1: found matching key w/out port
debug1: check_host_key: hostkey not known or explicitly trusted:
disabling UpdateHostkeys
debug3: send packet: type 21
debug2: ssh_set_newkeys: mode 1
debug1: rekey out after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug3: receive packet: type 21
debug1: SSH2_MSG_NEWKEYS received
debug2: ssh_set_newkeys: mode 0
debug1: rekey in after 134217728 blocks
debug3: ssh_get_authentication_socket_path: path
'/run/user/1000/keyring/ssh'
debug1: get_agent_identities: bound agent to hostkey
debug1: get_agent_identities: agent returned 2 keys
debug1: Will attempt key: /home/rwk/.ssh/id_rsa RSA
SHA256:qqqwwZXoFvDpyWoQcSpcIx3PkvPhR8cFrvNg9enmavo agent
debug1: Will attempt key: /home/rwk/.ssh/id_ed25519 ED25519
SHA256:VXeDL5JL/A8x7sJSD0PGVy05eCthkOkwrj3T4ppPYUc agent
debug1: Will attempt key: /home/rwk/.ssh/id_ecdsa 
debug1: Will attempt key: /home/rwk/.ssh/id_ecdsa_sk 
debug1: Will attempt key: /home/rwk/.ssh/id_ed25519_sk 
debug1: Will attempt key: /home/rwk/.ssh/id_xmss 
debug1: Will attempt key: /home/rwk/.ssh/id_dsa 
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=<ssh-ed25519,sk-ssh-ed25519 at openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,sk-ecdsa-sha2-nistp256 at openssh.com,webauthn-sk-ecdsa-sha2-nistp256 at openssh.com,ssh-dss,ssh-rsa,rsa-sha2-256,rsa-sha2-512>
debug1: kex_input_ext_info: publickey-hostbound at openssh.com=<0>
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 51
debug1: Authentications that can continue: publickey,password,hostbased
debug3: start over, passed a different list
publickey,password,hostbased
debug3: preferred hostbased
debug3: authmethod_lookup hostbased
debug3: remaining preferred: 
debug3: authmethod_is_enabled hostbased
debug1: Next authentication method: hostbased
debug3: userauth_hostbased: trying key type
ssh-ed25519-cert-v01 at openssh.com
debug3: userauth_hostbased: trying key type
ecdsa-sha2-nistp256-cert-v01 at openssh.com
debug3: userauth_hostbased: trying key type
ecdsa-sha2-nistp384-cert-v01 at openssh.com
debug3: userauth_hostbased: trying key type
ecdsa-sha2-nistp521-cert-v01 at openssh.com
debug3: userauth_hostbased: trying key type
sk-ssh-ed25519-cert-v01 at openssh.com
debug3: userauth_hostbased: trying key type
sk-ecdsa-sha2-nistp256-cert-v01 at openssh.com
debug3: userauth_hostbased: trying key type
rsa-sha2-512-cert-v01 at openssh.com
debug3: userauth_hostbased: trying key type
rsa-sha2-256-cert-v01 at openssh.com
debug3: userauth_hostbased: trying key type ssh-ed25519
debug3: userauth_hostbased: trying key type ecdsa-sha2-nistp256
debug3: userauth_hostbased: trying key type ecdsa-sha2-nistp384
debug3: userauth_hostbased: trying key type ecdsa-sha2-nistp521
debug3: userauth_hostbased: trying key type sk-ssh-ed25519 at openssh.com
debug3: userauth_hostbased: trying key type
sk-ecdsa-sha2-nistp256 at openssh.com
debug3: userauth_hostbased: trying key type rsa-sha2-512
debug3: userauth_hostbased: trying key type rsa-sha2-256
debug1: No more client hostkeys for hostbased authentication.
debug2: we did not send a packet, disable method
debug1: No more authentication methods to try.
rwk at gemini.krautclan.com: Permission denied
(publickey,password,hostbased).

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