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completions/ssh
441 строка
12 KB
Ville Skyttä
ping*,ssh,scp,sftp,tracepath6: Filter IPv4/IPv6 literal addresses
27 янв 2018, 15:05
27 янв 2018, 15:05
b547f22
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# ssh(1) completion -*- shell-script -*- _ssh_queries() { COMPREPLY+=( $( compgen -W \ "cipher cipher-auth mac kex key protocol-version" -- "$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() { compopt -o nospace COMPREPLY=( $( compgen -S = -W 'AddressFamily BatchMode BindAddress ChallengeResponseAuthentication CheckHostIP Cipher Ciphers ClearAllForwardings Compression CompressionLevel ConnectionAttempts ConnectTimeout ControlMaster ControlPath ControlPersist DynamicForward EnableSSHKeysign EscapeChar ExitOnForwardFailure ForwardAgent ForwardX11 ForwardX11Timeout ForwardX11Trusted GatewayPorts GlobalKnownHostsFile GSSAPIAuthentication GSSAPIClientIdentity GSSAPIDelegateCredentials GSSAPIKeyExchange GSSAPIRenewalForcesRekey GSSAPIServerIdentity GSSAPITrustDns HashKnownHosts Host HostbasedAuthentication HostKeyAlgorithms HostKeyAlias HostName IdentityFile IdentitiesOnly IPQoS KbdInteractiveDevices KexAlgorithms LocalCommand LocalForward LogLevel MACs NoHostAuthenticationForLocalhost NumberOfPasswordPrompts ProxyJump PasswordAuthentication PermitLocalCommand PKCS11Provider Port PreferredAuthentications Protocol ProxyCommand PubkeyAuthentication RekeyLimit RemoteForward RequestTTY RhostsRSAAuthentication RSAAuthentication SendEnv ServerAliveCountMax ServerAliveInterval SmartcardDevice StrictHostKeyChecking TCPKeepAlive Tunnel TunnelDevice UsePrivilegedPort User UserKnownHostsFile VerifyHostKeyDNS VisualHostKey XAuthLocation' -- "$cur" ) ) } # 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|ChallengeResponseAuthentication|CheckHostIP|\ ClearAllForwardings|ControlPersist|Compression|EnableSSHKeysign|\ ExitOnForwardFailure|ForwardAgent|ForwardX11|ForwardX11Trusted|\ GatewayPorts|GSSAPIAuthentication|GSSAPIKeyExchange|\ GSSAPIDelegateCredentials|GSSAPIRenewalForcesRekey|GSSAPITrustDns|\ HashKnownHosts|HostbasedAuthentication|IdentitiesOnly|\ KbdInteractiveAuthentication|KbdInteractiveDevices|\ NoHostAuthenticationForLocalhost|PasswordAuthentication|\ PubkeyAuthentication|RhostsRSAAuthentication|RSAAuthentication|\ StrictHostKeyChecking|TCPKeepAlive|UsePrivilegedPort|\ VerifyHostKeyDNS|VisualHostKey) COMPREPLY=( $( compgen -W 'yes no' -- "$cur" ) ) ;; AddressFamily) COMPREPLY=( $( compgen -W 'any inet inet6' -- "$cur" ) ) ;; BindAddress) _ip_addresses ;; Cipher) COMPREPLY=( $( compgen -W 'blowfish des 3des' -- "$cur" ) ) ;; ProxyJump) _known_hosts_real -a -F "$configfile" -- "$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" ) ) ;; Protocol) COMPREPLY=( $( compgen -W '1 2 1,2 2,1' -- "$cur" ) ) ;; RequestTTY) COMPREPLY=( $( compgen -W 'no yes force auto' -- "$cur" ) ) ;; Tunnel) COMPREPLY=( $( compgen -W 'yes no point-to-point ethernet' \ -- "$cur" ) ) ;; PreferredAuthentications) COMPREPLY=( $( compgen -W 'gssapi-with-mic host-based publickey keyboard-interactive password' -- "$cur" ) ) ;; MACs) _ssh_macs "$2" ;; Ciphers) _ssh_ciphers "$2" ;; 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 [[ $# -gt 0 ]]; do if [[ $1 == -F* ]]; then if [[ ${#1} -gt 2 ]]; then configfile="$(dequote "${1:2}")" else shift [[ $1 ]] && configfile="$(dequote "$1")" fi break fi shift done } _ssh() { local cur prev words cword _init_completion -n : || return local -a config local configfile _ssh_configfile _ssh_suboption_check "$1" && return local ipvx case $prev in -F|-i|-S) _filedir return ;; -I) _filedir so return ;; -c) _ssh_ciphers "$1" return ;; -J) _known_hosts_real -a -F "$configfile" -- "$cur" return ;; -m) _ssh_macs "$1" return ;; -l) COMPREPLY=( $( compgen -u -- "$cur" ) ) return ;; -O) COMPREPLY=( $( compgen -W 'check forward exit stop' -- "$cur" ) ) return ;; -o) _ssh_options return ;; -Q) _ssh_queries "$1" return ;; -w) _available_interfaces return ;; -b) _ip_addresses return ;; -D|-e|-L|-p|-R|-W) return ;; -4|-6) ipvx=$prev ;; 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 $ipvx -a -F "$configfile" -- "$cur" local args _count_args if [[ $args -gt 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 $prev in -b|-F|-i) _filedir return ;; -o) _ssh_options return ;; -c) _ssh_ciphers return ;; -S) _command return ;; -B|-D|-l|-P|-R|-s) return ;; -4|-6) ipvx=$prev ;; 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 $ipvx -a -F "$configfile" -- "$cur" fi } && shopt -u hostcomplete && complete -F _sftp sftp # things we want to backslash escape in scp paths _scp_path_esc='[][(){}<>",:;^&!$=?`|\\'"'"'[:space:]]' # Complete remote files with ssh. If the first arg is -d, complete on dirs # only. Returns paths escaped with three backslashes. _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) 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 [[ $1 == -d ]]; then # escape problematic characters; remove non-dirs files=$( 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 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 $prev in -l|-P) return ;; -F|-i) _filedir compopt +o nospace return ;; -c) _ssh_ciphers COMPREPLY=( "${COMPREPLY[@]/%/ }" ) return ;; -o) _ssh_options return ;; -S) _command compopt +o nospace return ;; -4|-6) ipvx=$prev ;; 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 $ipvx -c -a -F "$configfile" -- "$cur" ;; esac fi _scp_local_files "$prefix" } && complete -F _scp -o nospace scp # ex: filetype=sh