Parses /etc/resolv.conf
Author: Raphael Pinson rap@gmai l.com hink
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 )*