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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 | # |
7 | # systemd is free software; you can redistribute it and/or modify it | |
8 | # under the terms of the GNU Lesser General Public License as published by | |
9 | # the Free Software Foundation; either version 2.1 of the License, or | |
10 | # (at your option) any later version. | |
11 | # | |
12 | # systemd is distributed in the hope that it will be useful, but | |
13 | # WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | # General Public License for more details. | |
16 | # | |
17 | # You should have received a copy of the GNU Lesser General Public License | |
18 | # along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
19 | ||
20 | __contains_word () { | |
21 | local w word=$1; shift | |
22 | for w in "$@"; do | |
23 | [[ $w = "$word" ]] && return | |
24 | done | |
25 | } | |
26 | ||
27 | __get_interfaces(){ | |
d5acf7da YW |
28 | local name |
29 | for name in $(cd /sys/class/net && ls); do | |
bd188ff0 YW |
30 | [[ "$name" != "lo" ]] && echo "$name" |
31 | done | |
32 | } | |
33 | ||
34 | _resolvectl() { | |
35 | local i comps verb name | |
36 | local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]} | |
37 | local -A OPTS=( | |
38 | [STANDALONE]='-h --help --version --no-pager -4 -6 | |
39 | --service-address=no --service-txt=no | |
40 | --cname=no --search=no --legend=no' | |
41 | [ARG]='-i --interface -p --protocol -t --type -c --class --raw' | |
42 | ) | |
43 | local -A VERBS=( | |
44 | [DOMAIN]='query service openpgp' | |
45 | [FAMILY]='tlsa' | |
46 | [STATUS]='status' | |
47 | [LINK]='revert dns domain nta' | |
48 | [RESOLVE]='llmnr mdns' | |
49 | [DNSSEC]='dnssec' | |
c9299be2 | 50 | [DNSOVERTLS]='dnsovertls' |
bd188ff0 YW |
51 | [STANDALONE]='statistics reset-statistics flush-caches reset-server-features' |
52 | ) | |
53 | local -A ARGS=( | |
54 | [FAMILY]='tcp udp sctp' | |
55 | [RESOLVE]='yes no resolve' | |
56 | [DNSSEC]='yes no allow-downgrade' | |
c9299be2 | 57 | [DNSOVERTLS]='no opportunistic' |
bd188ff0 YW |
58 | ) |
59 | local interfaces=$( __get_interfaces ) | |
60 | ||
61 | if __contains_word "$prev" ${OPTS[ARG]}; then | |
62 | case $prev in | |
63 | --interface|-i) | |
64 | comps="$interfaces" | |
65 | ;; | |
66 | --protocol|-p|--type|-t|--class|-c) | |
67 | comps=$( resolvectl --legend=no "$prev" help; echo help ) | |
68 | ;; | |
69 | --raw) | |
70 | comps="payload packet" | |
71 | ;; | |
72 | esac | |
73 | COMPREPLY=( $(compgen -W '$comps' -- "$cur") ) | |
74 | return 0 | |
75 | fi | |
76 | ||
77 | if [[ "$cur" = -* ]]; then | |
78 | COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") ) | |
79 | return 0 | |
80 | fi | |
81 | ||
82 | for ((i=0; i < COMP_CWORD; i++)); do | |
83 | if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} && | |
84 | ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then | |
85 | verb=${COMP_WORDS[i]} | |
86 | break | |
87 | fi | |
88 | done | |
89 | ||
90 | if [[ -z $verb ]]; then | |
91 | comps="${VERBS[*]}" | |
92 | ||
93 | elif __contains_word "$verb" ${VERBS[STANDALONE]} ${VERBS[DOMAIN]}; then | |
94 | comps='' | |
95 | ||
96 | elif __contains_word "$verb" ${VERBS[STATUS]}; then | |
97 | comps="$interfaces" | |
98 | ||
99 | elif __contains_word "$verb" ${VERBS[FAMILY]}; then | |
100 | for ((i++; i < COMP_CWORD; i++)); do | |
101 | if __contains_word "${COMP_WORDS[i]}" ${ARGS[FAMILY]} && | |
102 | ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then | |
103 | name=${COMP_WORDS[i]} | |
104 | break; | |
105 | fi | |
106 | done | |
107 | if [[ -z $name ]]; then | |
108 | comps=${ARGS[FAMILY]} | |
109 | else | |
110 | comps="" | |
111 | fi | |
112 | ||
c9299be2 | 113 | elif __contains_word "$verb" ${VERBS[LINK]} ${VERBS[RESOLVE]} ${VERBS[DNSSEC]} ${VERBS[DNSOVERTLS]}; then |
bd188ff0 YW |
114 | for ((i++; i < COMP_CWORD; i++)); do |
115 | if __contains_word "${COMP_WORDS[i]}" $interfaces && | |
116 | ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then | |
117 | name=${COMP_WORDS[i]} | |
118 | break; | |
119 | fi | |
120 | done | |
121 | ||
122 | if [[ -z $name ]]; then | |
123 | comps="$interfaces" | |
124 | ||
125 | elif __contains_word "$verb" ${VERBS[RESOLVE]}; then | |
126 | name= | |
127 | for ((i++; i < COMP_CWORD; i++)); do | |
128 | if __contains_word "${COMP_WORDS[i]}" ${ARGS[RESOLVE]} && | |
129 | ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then | |
130 | name=${COMP_WORDS[i]} | |
131 | break; | |
132 | fi | |
133 | done | |
134 | ||
135 | if [[ -z $name ]]; then | |
136 | comps=${ARGS[RESOLVE]} | |
137 | else | |
138 | comps='' | |
139 | fi | |
140 | ||
141 | elif __contains_word "$verb" ${VERBS[DNSSEC]}; then | |
142 | name= | |
143 | for ((i++; i < COMP_CWORD; i++)); do | |
144 | if __contains_word "${COMP_WORDS[i]}" ${ARGS[DNSSEC]} && | |
145 | ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then | |
146 | name=${COMP_WORDS[i]} | |
147 | break; | |
148 | fi | |
149 | done | |
150 | ||
151 | if [[ -z $name ]]; then | |
152 | comps=${ARGS[DNSSEC]} | |
153 | else | |
154 | comps='' | |
155 | fi | |
156 | ||
c9299be2 | 157 | elif __contains_word "$verb" ${VERBS[DNSOVERTLS]}; then |
1a363eda YW |
158 | name= |
159 | for ((i++; i < COMP_CWORD; i++)); do | |
c9299be2 | 160 | if __contains_word "${COMP_WORDS[i]}" ${ARGS[DNSOVERTLS]} && |
1a363eda YW |
161 | ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then |
162 | name=${COMP_WORDS[i]} | |
163 | break; | |
164 | fi | |
165 | done | |
166 | ||
167 | if [[ -z $name ]]; then | |
c9299be2 | 168 | comps=${ARGS[DNSOVERTLS]} |
1a363eda YW |
169 | else |
170 | comps='' | |
171 | fi | |
172 | ||
bd188ff0 YW |
173 | else |
174 | comps='' | |
175 | fi | |
176 | fi | |
177 | ||
178 | COMPREPLY=( $(compgen -W '$comps' -- "$cur") ) | |
179 | return 0 | |
180 | } | |
181 | ||
182 | complete -F _resolvectl resolvectl |