(* Module: Ssh Parses ssh client configuration Author: Jiri Suchomel About: Reference ssh_config man page About: License This file is licensed under the GPL. About: Lens Usage Sample usage of this lens in augtool augtool> set /files/etc/ssh/ssh_config/Host example.com augtool> set /files/etc/ssh/ssh_config/Host[.='example.com']/RemoteForward/machine1:1234 machine2:5678 augtool> set /files/etc/ssh/ssh_config/Host[.='example.com']/Ciphers/1 aes128-ctr augtool> set /files/etc/ssh/ssh_config/Host[.='example.com']/Ciphers/2 aes192-ctr *) module Ssh = autoload xfm let eol = del /[ \t]*\n/ "\n" let spc = Util.del_ws_spc let key_re = /[A-Za-z0-9]+/ - /SendEnv|Host|ProxyCommand|RemoteForward|LocalForward|MACs|Ciphers/ let comment = Util.comment let empty = Util.empty let comma = Util.del_str "," let indent = Util.indent let value_to_eol = store /([^ \t\n].*[^ \t\n]|[^ \t\n])/ let value_to_spc = store /[^ \t\n]+/ let value_to_comma = store /[^, \t\n]+/ let array_entry (k:string) = [ indent . key k . counter k . [ spc . seq k . value_to_spc]* . eol ] let commas_entry (k:string) = [ key k . counter k . spc . [ seq k . value_to_comma] . ([ seq k . comma . value_to_comma])* . eol ] let send_env = array_entry "SendEnv" let proxy_command = [ indent . key "ProxyCommand" . spc . value_to_eol . eol ] let fw_entry (k:string) = [ indent . key k . spc . [ key /[^ \t\n\/]+/ . spc . value_to_eol . eol ]] let remote_fw = fw_entry "RemoteForward" let local_fw = fw_entry "LocalForward" let ciphers = commas_entry "Ciphers" let macs = commas_entry "MACs" let other_entry = [ indent . key key_re . spc . value_to_spc . eol ] let entry = (comment | empty | send_env | proxy_command | remote_fw | local_fw | macs | ciphers | other_entry) let host = [ key "Host" . spc . value_to_eol . eol . entry* ] let lns = entry* . host* let xfm = transform lns (incl "/etc/ssh/ssh_config" . incl (Sys.getenv("HOME") . "/.ssh/config"))