Parses /etc/resolv.conf
Author: Raphael Pinson raphink@gmail.com
| Resolv | Parses /etc/resolv.conf |
| Reference | This lens tries to keep as close as possible to `man resolv.conf` where possible. |
| Licence | This file is licensed under the LGPL v2+, like the rest of Augeas. |
| Lens Usage | |
| Configuration files | This lens applies to /etc/resolv.conf. |
| USEFUL PRIMITIVES | |
| comment | |
| comment_eol | |
| empty | |
| MAIN OPTIONS | |
| netmask | A network mask for IP addresses |
| ipaddr | An IP address or range with an optional mask |
| nameserver | A nameserver entry |
| domain | |
| search | |
| sortlist | |
| lookup | |
| family | |
| SPECIAL OPTIONS | |
| ip6_dotint | ip6-dotint option, which supports negation |
| options | Options values |
| entry | |
| lns | |
| filter |
This lens applies to /etc/resolv.conf. See filter.
let options = let options_entry = Build.key_value ("ndots"|"timeout"|"attempts") (Util.del_str ":") (store Rx.integer) | Build.flag ("debug"|"rotate"|"no-check-names" |"inet6"|"ip6-bytestring"|"edns0" |"single-request-reopen") | ip6_dotint in Build.key_value_line_comment "options" Sep.space (Build.opt_list options_entry Sep.space) comment_eol
Options values
let comment = Util.comment_generic /[ \t]*[;#][ \t]*/ "# "
let comment_eol = Util.comment_generic /[ \t]*[;#][ \t]*/ " # "
let empty = Util.empty_generic_dos /[ \t]*[#;]?[ \t]*/
A network mask for IP addresses
let netmask = [ label "netmask" . Util.del_str "/" . store Rx.ip ]
An IP address or range with an optional mask
let ipaddr = [label "ipaddr" . store Rx.ip . netmask?]
A nameserver entry
let nameserver = Build.key_value_line_comment "nameserver" Sep.space (store Rx.ip) comment_eol
let domain = Build.key_value_line_comment "domain" Sep.space (store Rx.word) comment_eol
let search = Build.key_value_line_comment "search" Sep.space (Build.opt_list [label "domain" . store Rx.word] Sep.space) comment_eol
let sortlist = Build.key_value_line_comment "sortlist" Sep.space (Build.opt_list ipaddr Sep.space) comment_eol
let lookup = let lookup_entry = Build.flag("bind"|"file"|"yp") in Build.key_value_line_comment "lookup" Sep.space (Build.opt_list lookup_entry Sep.space) comment_eol
let family = let family_entry = Build.flag("inet4"|"inet6") in Build.key_value_line_comment "family" Sep.space (Build.opt_list family_entry Sep.space) comment_eol
ip6-dotint option, which supports negation
let ip6_dotint = let negate = [ del "no-" "no-" . label "negate" ] in [ negate? . key "ip6-dotint" ]
Options values
let options = let options_entry = Build.key_value ("ndots"|"timeout"|"attempts") (Util.del_str ":") (store Rx.integer) | Build.flag ("debug"|"rotate"|"no-check-names" |"inet6"|"ip6-bytestring"|"edns0" |"single-request-reopen") | ip6_dotint in Build.key_value_line_comment "options" Sep.space (Build.opt_list options_entry Sep.space) comment_eol
let entry = nameserver | domain | search | sortlist | options | lookup | family
let lns = ( empty | comment | entry )*