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# ssh(1) completion -*- shell-script -*- _ssh_queries() { COMPREPLY+=($(compgen -W \ "cipher cipher-auth help mac kex key key-cert key-plain key-sig protocol-version compression sig ciphers macs kexalgorithms pubkeyacceptedkeytypes hostkeyalgorithms hostbasedkeytypes hostbasedacceptedkeytypes" \ -- "${cur,,}")) } _ssh_query() { ${1:-ssh} -Q $2 2>/dev/null } _ssh_ciphers() { local ciphers='$(_ssh_query "$1" cipher)' [[ $ciphers ]] || ciphers="3des-cbc aes128-cbc aes192-cbc aes256-cbc aes128-ctr aes192-ctr aes256-ctr arcfour128 arcfour256 arcfour blowfish-cbc cast128-cbc" COMPREPLY+=($(compgen -W "$ciphers" -- "$cur")) } _ssh_macs() { local macs='$(_ssh_query "$1" mac)' [[ $macs ]] || macs="hmac-md5 hmac-sha1 umac-64@openssh.com hmac-ripemd160 hmac-sha1-96 hmac-md5-96" COMPREPLY+=($(compgen -W "$macs" -- "$cur")) } _ssh_options() { local opts=( AddKeysToAgent AddressFamily BatchMode BindAddress CanonicalDomains CanonicalizeFallbackLocal CanonicalizeHostname CanonicalizeMaxDots CanonicalizePermittedCNAMEs CASignatureAlgorithms CertificateFile ChallengeResponseAuthentication CheckHostIP Ciphers ClearAllForwardings Compression ConnectionAttempts ConnectTimeout ControlMaster ControlPath ControlPersist DynamicForward EnableSSHKeysign EscapeChar ExitOnForwardFailure FingerprintHash ForwardAgent ForwardX11 ForwardX11Timeout ForwardX11Trusted GatewayPorts GlobalKnownHostsFile GSSAPIAuthentication GSSAPIClientIdentity GSSAPIDelegateCredentials GSSAPIKeyExchange GSSAPIRenewalForcesRekey GSSAPIServerIdentity GSSAPITrustDns HashKnownHosts Host HostbasedAuthentication HostbasedKeyTypes HostKeyAlgorithms HostKeyAlias HostName IdentitiesOnly IdentityAgent IdentityFile IgnoreUnknown Include IPQoS KbdInteractiveAuthentication KbdInteractiveDevices KexAlgorithms LocalCommand LocalForward LogLevel MACs NoHostAuthenticationForLocalhost NumberOfPasswordPrompts PasswordAuthentication PermitLocalCommand PKCS11Provider Port PreferredAuthentications ProxyCommand ProxyJump ProxyUseFdpass PubkeyAcceptedKeyTypes PubkeyAuthentication RekeyLimit RemoteCommand RemoteForward RequestTTY RevokedHostKeys SendEnv ServerAliveCountMax ServerAliveInterval SmartcardDevice StreamLocalBindMask StreamLocalBindUnlink StrictHostKeyChecking SyslogFacility TCPKeepAlive Tunnel TunnelDevice UpdateHostKeys UsePrivilegedPort User UserKnownHostsFile VerifyHostKeyDNS VisualHostKey XAuthLocation) local protocols=$(_ssh_query "$1" protocol-version) if [[ -z $protocols || $protocols == *1* ]]; then opts+=(Cipher CompressionLevel Protocol RhostsRSAAuthentication RSAAuthentication) fi compopt -o nospace local IFS=$' \t\n' reset=$(shopt -p nocasematch) shopt -s nocasematch local option COMPREPLY=($(for option in "${opts[@]}"; do [[ $option == "$cur"* ]] && printf '%s=\n' "$option" done)) $reset } # Complete a ssh suboption (like ForwardAgent=y<tab>) # Two parameters: the string to complete including the equal sign, and # the ssh executable to invoke (optional). # Not all suboptions are completed. # Doesn't handle comma-separated lists. _ssh_suboption() { # Split into subopt and subval local prev=${1%%=*} cur=${1#*=} case ${prev,,} in batchmode | canonicaldomains | canonicalizefallbacklocal | \ challengeresponseauthentication | checkhostip | \ clearallforwardings | controlpersist | compression | enablesshkeysign | \ exitonforwardfailure | forwardagent | forwardx11 | forwardx11trusted | \ gatewayports | gssapiauthentication | gssapikeyexchange | \ gssapidelegatecredentials | gssapirenewalforcesrekey | gssapitrustdns | \ hashknownhosts | hostbasedauthentication | identitiesonly | \ kbdinteractiveauthentication | kbdinteractivedevices | \ nohostauthenticationforlocalhost | passwordauthentication | permitlocalcommand | \ proxyusefdpass | pubkeyauthentication | rhostsrsaauthentication | \ rsaauthentication | streamlocalbindunlink | \ tcpkeepalive | useprivilegedport | visualhostkey) COMPREPLY=($(compgen -W 'yes no' -- "$cur")) ;; addkeystoagent) COMPREPLY=($(compgen -W 'yes ask confirm no' -- "$cur")) ;; addressfamily) COMPREPLY=($(compgen -W 'any inet inet6' -- "$cur")) ;; bindaddress) _ip_addresses ;; canonicalizehostname) COMPREPLY=($(compgen -W 'yes no always' -- "$cur")) ;; identityfile) _ssh_identityfile ;; *file | identityagent | include | controlpath | revokedhostkeys | xauthlocation) _filedir ;; casignaturealgorithms) COMPREPLY=($(compgen -W '$(_ssh_query "$2" sig)' -- "$cur")) ;; cipher) COMPREPLY=($(compgen -W 'blowfish des 3des' -- "$cur")) ;; ciphers) _ssh_ciphers "$2" ;; controlmaster) COMPREPLY=($(compgen -W 'yes ask auto autoask no' -- "$cur")) ;; compressionlevel) COMPREPLY=($(compgen -W '{1..9}' -- "$cur")) ;; fingerprinthash) COMPREPLY=($(compgen -W 'md5 sha256' -- "$cur")) ;; ipqos) COMPREPLY=($(compgen -W 'af1{1..4} af2{2..3} af3{1..3} af4{1..3} cs{0..7} ef lowdelay throughput reliability' -- "$cur")) ;; hostbasedkeytypes | hostkeyalgorithms) COMPREPLY=($(compgen -W '$(_ssh_query "$2" key)' -- "$cur")) ;; kexalgorithms) COMPREPLY=($(compgen -W '$(_ssh_query "$2" kex)' -- "$cur")) ;; loglevel) COMPREPLY=($(compgen -W 'QUIET FATAL ERROR INFO VERBOSE DEBUG{,1,2,3}' -- "$cur")) ;; macs) _ssh_macs "$2" ;; pkcs11provider) _filedir so ;; preferredauthentications) COMPREPLY=($(compgen -W 'gssapi-with-mic host-based publickey keyboard-interactive password' -- "$cur")) ;; protocol) local protocols=($(_ssh_query "$2" protocol-version)) [[ $protocols ]] || protocols=(1 2) if ((${#protocols[@]} > 1)); then COMPREPLY=($(compgen -W '${protocols[@]}' -- "$cur")) fi ;; proxyjump) _known_hosts_real -a ${configfile:+-F "$configfile"} -- "$cur" ;; proxycommand | remotecommand | localcommand) COMPREPLY=($(compgen -c -- "$cur")) ;; pubkeyacceptedkeytypes) COMPREPLY=($(compgen -W '$(_ssh_query "$2" key)' -- "$cur")) ;; requesttty) COMPREPLY=($(compgen -W 'no yes force auto' -- "$cur")) ;; stricthostkeychecking) COMPREPLY=($(compgen -W 'accept-new ask no off' -- "$cur")) ;; syslogfacility) COMPREPLY=($(compgen -W 'DAEMON USER AUTH LOCAL{0..7}' -- "$cur")) ;; tunnel) COMPREPLY=($(compgen -W 'yes no point-to-point ethernet' \ -- "$cur")) ;; updatehostkeys | verifyhostkeydns) COMPREPLY=($(compgen -W 'yes no ask' -- "$cur")) ;; esac return 0 } # Try to complete -o SubOptions= # # Returns 0 if the completion was handled or non-zero otherwise. _ssh_suboption_check() { # Get prev and cur words without splitting on = local cureq=$(_get_cword :=) preveq=$(_get_pword :=) if [[ $cureq == *=* && $preveq == -*o ]]; then _ssh_suboption $cureq "$1" return $? fi return 1 } # Search COMP_WORDS for '-F configfile' or '-Fconfigfile' argument _ssh_configfile() { set -- "${words[@]}" while (($# > 0)); do if [[ $1 == -F* ]]; then if ((${#1} > 2)); then configfile="$(dequote "${1:2}")" else shift [[ ${1-} ]] && configfile="$(dequote "$1")" fi break fi shift done } # With $1 set, look for public key files, else private # shellcheck disable=SC2120 _ssh_identityfile() { [[ -z $cur && -d ~/.ssh ]] && cur=~/.ssh/id _filedir if ((${#COMPREPLY[@]} > 0)); then COMPREPLY=($(compgen -W '${COMPREPLY[@]}' \ -X "${1:+!}*.pub" -- "$cur")) fi } _ssh() { local cur prev words cword _init_completion -n : || return local configfile _ssh_configfile _ssh_suboption_check "$1" && return local ipvx case $prev in -*b) _ip_addresses return ;; -*c) _ssh_ciphers "$1" return ;; -*[DeLpRW]) return ;; -*[EFS]) _filedir return ;; -*i) _ssh_identityfile return ;; -*I) _filedir so return ;; -*J) _known_hosts_real -a ${configfile:+-F "$configfile"} -- "$cur" return ;; -*l) COMPREPLY=($(compgen -u -- "$cur")) return ;; -*m) _ssh_macs "$1" return ;; -*O) COMPREPLY=($(compgen -W 'check forward cancel exit stop' -- "$cur")) return ;; -*o) _ssh_options "$1" return ;; -*Q) _ssh_queries "$1" return ;; -*w) _available_interfaces return ;; -*4*) ipvx=-4 ;; -*6*) ipvx=-6 ;; esac if [[ $cur == -F* ]]; then cur=${cur#-F} _filedir # Prefix completions with '-F' COMPREPLY=("${COMPREPLY[@]/#/-F}") cur=-F$cur # Restore cur elif [[ $cur == -* ]]; then COMPREPLY=($(compgen -W '$(_parse_usage "$1")' -- "$cur")) else _known_hosts_real ${ipvx-} -a ${configfile:+-F "$configfile"} -- "$cur" local args _count_args if ((args > 1)); then compopt -o filenames COMPREPLY+=($(compgen -c -- "$cur")) fi fi } && shopt -u hostcomplete && complete -F _ssh ssh slogin autossh sidedoor # sftp(1) completion # _sftp() { local cur prev words cword _init_completion || return local configfile _ssh_configfile _ssh_suboption_check && return local ipvx case $prev in -*[BDlPRs]) return ;; -*[bF]) _filedir return ;; -*i) _ssh_identityfile return ;; -*c) _ssh_ciphers return ;; -*J) _known_hosts_real -a ${configfile:+-F "$configfile"} -- "$cur" return ;; -*o) _ssh_options return ;; -*S) compopt -o filenames COMPREPLY=($(compgen -c -- "$cur")) return ;; -*4*) ipvx=-4 ;; -*6*) ipvx=-6 ;; esac if [[ $cur == -F* ]]; then cur=${cur#-F} _filedir # Prefix completions with '-F' COMPREPLY=("${COMPREPLY[@]/#/-F}") cur=-F$cur # Restore cur elif [[ $cur == -* ]]; then COMPREPLY=($(compgen -W '$(_parse_usage "$1")' -- "$cur")) else _known_hosts_real ${ipvx-} -a ${configfile:+-F "$configfile"} -- "$cur" fi } && shopt -u hostcomplete && complete -F _sftp sftp # things we want to backslash escape in scp paths # shellcheck disable=SC2089 _scp_path_esc='[][(){}<>"'"'"',:;^&!$=?`\\|[:space:]]' # Complete remote files with ssh. If the first arg is -d, complete on dirs # only. Returns paths escaped with three backslashes. # shellcheck disable=SC2120 _scp_remote_files() { local IFS=$'\n' # remove backslash escape from the first colon cur=${cur/\\:/:} local userhost=${cur%%?(\\):*} local path=${cur#*:} # unescape (3 backslashes to 1 for chars we escaped) # shellcheck disable=SC2090 path=$(command sed -e 's/\\\\\\\('$_scp_path_esc'\)/\\\1/g' <<<"$path") # default to home dir of specified user on remote host if [[ -z $path ]]; then path=$(ssh -o 'Batchmode yes' $userhost pwd 2>/dev/null) fi local files if [[ $1 == -d ]]; then # escape problematic characters; remove non-dirs # shellcheck disable=SC2090 files=$(ssh -o 'Batchmode yes' $userhost \ command ls -aF1dL "$path*" 2>/dev/null | command sed -e 's/'$_scp_path_esc'/\\\\\\&/g' -e '/[^\/]$/d') else # escape problematic characters; remove executables, aliases, pipes # and sockets; add space at end of file names # shellcheck disable=SC2090 files=$(ssh -o 'Batchmode yes' $userhost \ command ls -aF1dL "$path*" 2>/dev/null | command sed -e 's/'$_scp_path_esc'/\\\\\\&/g' -e 's/[*@|=]$//g' \ -e 's/[^\/]$/& /g') fi COMPREPLY+=($files) } # This approach is used instead of _filedir to get a space appended # after local file/dir completions, and -o nospace retained for others. # If first arg is -d, complete on directory names only. The next arg is # an optional prefix to add to returned completions. _scp_local_files() { local IFS=$'\n' local dirsonly=false if [[ ${1-} == -d ]]; then dirsonly=true shift fi if $dirsonly; then COMPREPLY+=($(command ls -aF1dL $cur* 2>/dev/null | command sed -e "s/$_scp_path_esc/\\\\&/g" -e '/[^\/]$/d' -e "s/^/${1-}/")) else COMPREPLY+=($(command ls -aF1dL $cur* 2>/dev/null | command sed -e "s/$_scp_path_esc/\\\\&/g" -e 's/[*@|=]$//g' \ -e 's/[^\/]$/& /g' -e "s/^/${1-}/")) fi } # scp(1) completion # _scp() { local cur prev words cword _init_completion -n : || return local configfile _ssh_configfile _ssh_suboption_check && { COMPREPLY=("${COMPREPLY[@]/%/ }") return } local ipvx case $prev in -*c) _ssh_ciphers COMPREPLY=("${COMPREPLY[@]/%/ }") return ;; -*F) _filedir compopt +o nospace return ;; -*i) _ssh_identityfile compopt +o nospace return ;; -*J) _known_hosts_real -a ${configfile:+-F "$configfile"} -- "$cur" return ;; -*[lP]) return ;; -*o) _ssh_options return ;; -*S) compopt +o nospace -o filenames COMPREPLY=($(compgen -c -- "$cur")) return ;; -*4*) ipvx=-4 ;; -*6*) ipvx=-6 ;; esac _expand || return case $cur in !(*:*)/* | [.~]*) ;; # looks like a path *:*) _scp_remote_files return ;; esac local prefix if [[ $cur == -F* ]]; then cur=${cur#-F} prefix=-F else case $cur in -*) COMPREPLY=($(compgen -W '$(_parse_usage "${words[0]}")' \ -- "$cur")) COMPREPLY=("${COMPREPLY[@]/%/ }") return ;; */* | [.~]*) # not a known host, pass through ;; *) _known_hosts_real ${ipvx-} -c -a \ ${configfile:+-F "$configfile"} -- "$cur" ;; esac fi _scp_local_files "${prefix-}" } && complete -F _scp -o nospace scp # ex: filetype=sh