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ssh: add option completion. #179

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Sep 28, 2023
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ssh: add option completion. #179

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27 changes: 26 additions & 1 deletion ssh.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -160,6 +160,31 @@ local function supportedMACs(token) -- luacheck: no unused args
return macs
end

-- return the list of supported options
local function supportedOptions(token) -- luacheck: no unused args
-- curl --silent https://raw.githubusercontent.com/openssh/openssh-portable/master/ssh_config.5 | awk '$1==".It" && $2=="Cm" && $3!="Host" && $3!="Match" {print " "$3}' | sort
local options = {"AddKeysToAgent", "AddressFamily", "BatchMode", "BindAddress", "BindInterface",
"CanonicalDomains", "CanonicalizeFallbackLocal", "CanonicalizeHostname", "CanonicalizeMaxDots",
"CanonicalizePermittedCNAMEs", "CASignatureAlgorithms", "CertificateFile", "CheckHostIP",
"Ciphers", "ClearAllForwardings", "Compression", "ConnectionAttempts", "ConnectTimeout",
"ControlMaster", "ControlPath", "ControlPersist", "DynamicForward", "EnableEscapeCommandline",
"EnableSSHKeysign", "EscapeChar", "ExitOnForwardFailure", "FingerprintHash", "ForkAfterAuthentication",
"ForwardAgent", "ForwardX11", "ForwardX11Timeout", "ForwardX11Trusted", "GatewayPorts",
"GlobalKnownHostsFile", "GSSAPIAuthentication", "GSSAPIDelegateCredentials", "HashKnownHosts",
"HostbasedAcceptedAlgorithms", "HostbasedAuthentication", "HostKeyAlgorithms", "HostKeyAlias",
"Hostname", "IdentitiesOnly", "IdentityAgent", "IdentityFile", "IgnoreUnknown", "Include",
"IPQoS", "KbdInteractiveAuthentication", "KbdInteractiveDevices", "KexAlgorithms", "KnownHostsCommand",
"LocalCommand", "LocalForward", "LogLevel", "LogVerbose", "MACs", "NoHostAuthenticationForLocalhost",
"NumberOfPasswordPrompts", "ObscureKeystrokeTiming", "PasswordAuthentication", "PermitLocalCommand",
"PermitRemoteOpen", "PKCS11Provider", "Port", "PreferredAuthentications", "ProxyCommand", "ProxyJump",
"ProxyUseFdpass", "PubkeyAcceptedAlgorithms", "PubkeyAuthentication", "RekeyLimit", "RemoteCommand",
"RemoteForward", "RequestTTY", "RequiredRSASize", "RevokedHostKeys", "SecurityKeyProvider", "SendEnv",
"ServerAliveCountMax", "ServerAliveInterval", "SessionType", "SetEnv", "StdinNull", "StreamLocalBindMask",
"StreamLocalBindUnlink", "StrictHostKeyChecking", "SyslogFacility", "Tag", "TCPKeepAlive", "Tunnel",
"TunnelDevice", "UpdateHostKeys", "User", "UserKnownHostsFile", "VerifyHostKeyDNS", "VisualHostKey", "XAuthLocation"}
return options
end

local ssh_parser = parser({hosts_with_port_flag},
"-4", "-6", "-A", "-a", "-C", "-f", "-G", "-g", "-K", "-k", "-M",
"-N", "-n", "-q", "-s", "-T", "-t", "-V", "-v", "-X", "-x", "-Y", "-y",
Expand All @@ -177,7 +202,7 @@ local ssh_parser = parser({hosts_with_port_flag},
"-l" .. parser({fromhistory=true}),
"-m" .. parser({supportedMACs}),
"-O" .. parser({fromhistory=true}),
"-o" .. parser({fromhistory=true}),
"-o" .. parser({supportedOptions}),
"-p" .. parser({fromhistory=true}),
"-Q" .. parser({"cipher", "cipher_auth", "help", "mac", "kex", "kex-gss", "key", "key-cert", "key-plain", "key-sig", "protocol-version", "sig"}), -- luacheck: no max line length
"-R" .. parser({fromhistory=true}),
Expand Down