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bd188ff0 YW |
1 | # resolvectl(1) completion -*- shell-script -*- |
2 | # SPDX-License-Identifier: LGPL-2.1+ | |
3 | # | |
4 | # This file is part of systemd. | |
5 | # | |
bd188ff0 YW |
6 | # systemd is free software; you can redistribute it and/or modify it |
7 | # under the terms of the GNU Lesser General Public License as published by | |
8 | # the Free Software Foundation; either version 2.1 of the License, or | |
9 | # (at your option) any later version. | |
10 | # | |
11 | # systemd is distributed in the hope that it will be useful, but | |
12 | # WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | # General Public License for more details. | |
15 | # | |
16 | # You should have received a copy of the GNU Lesser General Public License | |
17 | # along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ||
19 | __contains_word () { | |
843cfcb1 ZJS |
20 | local w word=$1; shift |
21 | for w in "$@"; do | |
22 | [[ $w = "$word" ]] && return | |
23 | done | |
bd188ff0 YW |
24 | } |
25 | ||
26 | __get_interfaces(){ | |
843cfcb1 ZJS |
27 | local name |
28 | for name in $(cd /sys/class/net && ls); do | |
29 | [[ "$name" != "lo" ]] && echo "$name" | |
30 | done | |
bd188ff0 YW |
31 | } |
32 | ||
33 | _resolvectl() { | |
843cfcb1 ZJS |
34 | local i comps verb name |
35 | local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]} | |
36 | local -A OPTS=( | |
37 | [STANDALONE]='-h --help --version --no-pager -4 -6 | |
38 | --service-address=no --service-txt=no | |
39 | --cname=no --search=no --legend=no' | |
40 | [ARG]='-i --interface -p --protocol -t --type -c --class --raw' | |
41 | ) | |
42 | local -A VERBS=( | |
43 | [DOMAIN]='query service openpgp' | |
44 | [FAMILY]='tlsa' | |
45 | [STATUS]='status' | |
46 | [LINK]='revert dns domain nta' | |
47 | [RESOLVE]='llmnr mdns' | |
48 | [DNSSEC]='dnssec' | |
49 | [DNSOVERTLS]='dnsovertls' | |
50 | [STANDALONE]='statistics reset-statistics flush-caches reset-server-features' | |
51 | ) | |
52 | local -A ARGS=( | |
53 | [FAMILY]='tcp udp sctp' | |
54 | [RESOLVE]='yes no resolve' | |
55 | [DNSSEC]='yes no allow-downgrade' | |
4310bfc2 | 56 | [DNSOVERTLS]='yes no opportunistic' |
843cfcb1 ZJS |
57 | ) |
58 | local interfaces=$( __get_interfaces ) | |
59 | ||
60 | if __contains_word "$prev" ${OPTS[ARG]}; then | |
61 | case $prev in | |
62 | --interface|-i) | |
63 | comps="$interfaces" | |
64 | ;; | |
65 | --protocol|-p|--type|-t|--class|-c) | |
66 | comps=$( resolvectl --legend=no "$prev" help; echo help ) | |
67 | ;; | |
68 | --raw) | |
69 | comps="payload packet" | |
70 | ;; | |
71 | esac | |
72 | COMPREPLY=( $(compgen -W '$comps' -- "$cur") ) | |
73 | return 0 | |
74 | fi | |
bd188ff0 | 75 | |
843cfcb1 ZJS |
76 | if [[ "$cur" = -* ]]; then |
77 | COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") ) | |
78 | return 0 | |
79 | fi | |
80 | ||
81 | for ((i=0; i < COMP_CWORD; i++)); do | |
82 | if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} && | |
83 | ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then | |
84 | verb=${COMP_WORDS[i]} | |
85 | break | |
bd188ff0 | 86 | fi |
843cfcb1 | 87 | done |
bd188ff0 | 88 | |
843cfcb1 ZJS |
89 | if [[ -z $verb ]]; then |
90 | comps="${VERBS[*]}" | |
91 | ||
92 | elif __contains_word "$verb" ${VERBS[STANDALONE]} ${VERBS[DOMAIN]}; then | |
93 | comps='' | |
94 | ||
95 | elif __contains_word "$verb" ${VERBS[STATUS]}; then | |
96 | comps="$interfaces" | |
97 | ||
98 | elif __contains_word "$verb" ${VERBS[FAMILY]}; then | |
99 | for ((i++; i < COMP_CWORD; i++)); do | |
100 | if __contains_word "${COMP_WORDS[i]}" ${ARGS[FAMILY]} && | |
101 | ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then | |
102 | name=${COMP_WORDS[i]} | |
103 | break; | |
104 | fi | |
bd188ff0 | 105 | done |
843cfcb1 ZJS |
106 | if [[ -z $name ]]; then |
107 | comps=${ARGS[FAMILY]} | |
108 | else | |
109 | comps="" | |
110 | fi | |
bd188ff0 | 111 | |
843cfcb1 ZJS |
112 | elif __contains_word "$verb" ${VERBS[LINK]} ${VERBS[RESOLVE]} ${VERBS[DNSSEC]} ${VERBS[DNSOVERTLS]}; then |
113 | for ((i++; i < COMP_CWORD; i++)); do | |
114 | if __contains_word "${COMP_WORDS[i]}" $interfaces && | |
115 | ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then | |
116 | name=${COMP_WORDS[i]} | |
117 | break; | |
118 | fi | |
119 | done | |
bd188ff0 | 120 | |
843cfcb1 ZJS |
121 | if [[ -z $name ]]; then |
122 | comps="$interfaces" | |
bd188ff0 | 123 | |
843cfcb1 ZJS |
124 | elif __contains_word "$verb" ${VERBS[RESOLVE]}; then |
125 | name= | |
126 | for ((i++; i < COMP_CWORD; i++)); do | |
127 | if __contains_word "${COMP_WORDS[i]}" ${ARGS[RESOLVE]} && | |
128 | ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then | |
129 | name=${COMP_WORDS[i]} | |
130 | break; | |
131 | fi | |
132 | done | |
bd188ff0 | 133 | |
843cfcb1 ZJS |
134 | if [[ -z $name ]]; then |
135 | comps=${ARGS[RESOLVE]} | |
136 | else | |
137 | comps='' | |
138 | fi | |
139 | ||
140 | elif __contains_word "$verb" ${VERBS[DNSSEC]}; then | |
141 | name= | |
142 | for ((i++; i < COMP_CWORD; i++)); do | |
143 | if __contains_word "${COMP_WORDS[i]}" ${ARGS[DNSSEC]} && | |
144 | ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then | |
145 | name=${COMP_WORDS[i]} | |
146 | break; | |
bd188ff0 | 147 | fi |
843cfcb1 | 148 | done |
bd188ff0 | 149 | |
843cfcb1 ZJS |
150 | if [[ -z $name ]]; then |
151 | comps=${ARGS[DNSSEC]} | |
152 | else | |
153 | comps='' | |
154 | fi | |
155 | ||
156 | elif __contains_word "$verb" ${VERBS[DNSOVERTLS]}; then | |
157 | name= | |
158 | for ((i++; i < COMP_CWORD; i++)); do | |
159 | if __contains_word "${COMP_WORDS[i]}" ${ARGS[DNSOVERTLS]} && | |
160 | ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then | |
161 | name=${COMP_WORDS[i]} | |
162 | break; | |
bd188ff0 | 163 | fi |
843cfcb1 ZJS |
164 | done |
165 | ||
166 | if [[ -z $name ]]; then | |
167 | comps=${ARGS[DNSOVERTLS]} | |
168 | else | |
169 | comps='' | |
170 | fi | |
171 | ||
172 | else | |
173 | comps='' | |
bd188ff0 | 174 | fi |
843cfcb1 | 175 | fi |
bd188ff0 | 176 | |
843cfcb1 ZJS |
177 | COMPREPLY=( $(compgen -W '$comps' -- "$cur") ) |
178 | return 0 | |
bd188ff0 YW |
179 | } |
180 | ||
181 | complete -F _resolvectl resolvectl |