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wg: add bash completion for wg(8)

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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2017-01-04 07:05:56 +01:00
parent fd9e737c72
commit bf158a73fe
2 changed files with 96 additions and 2 deletions
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7
src/Makefile
View file

@ -3,8 +3,10 @@ DESTDIR ?=
BINDIR ?= $(PREFIX)/bin
LIBDIR ?= $(PREFIX)/lib
MANDIR ?= $(PREFIX)/share/man
BASHCOMPDIR ?= $(PREFIX)/share/bash-completion/completions
RUNSTATEDIR ?= /var/run
PKG_CONFIG ?= pkg-config
WITH_BASHCOMPLETION ?= yes
CFLAGS ?= -O3
CFLAGS += -std=gnu11
@ -25,8 +27,9 @@ clean:
rm -f wg *.o *.d
install: wg
install -v -d "$(DESTDIR)$(BINDIR)" && install -m 0755 -v wg "$(DESTDIR)$(BINDIR)/wg"
install -v -d "$(DESTDIR)$(MANDIR)/man8" && install -m 0644 -v wg.8 "$(DESTDIR)$(MANDIR)/man8/wg.8"
@install -v -d "$(DESTDIR)$(BINDIR)" && install -m 0755 -v wg "$(DESTDIR)$(BINDIR)/wg"
@install -v -d "$(DESTDIR)$(MANDIR)/man8" && install -m 0644 -v wg.8 "$(DESTDIR)$(MANDIR)/man8/wg.8"
@[ "$(WITH_BASHCOMPLETION)" = "yes" ] && install -v -d "$(BASHCOMPDIR)" && install -m 0644 -v completion/wg.bash-completion "$(DESTDIR)$(BASHCOMPDIR)/wg"
check: clean
CFLAGS=-g scan-build --view --keep-going $(MAKE) wg

91
src/completion/wg.bash-completion Normal file
View file

@ -0,0 +1,91 @@
# Copyright (C) 2017 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
_wg_completion() {
if [[ $COMP_CWORD -eq 1 ]]; then
COMPREPLY+=( $(compgen -W "show showconf set setconf addconf genkey genpsk pubkey" -- "${COMP_WORDS[1]}") )
return
fi
case "${COMP_WORDS[1]}" in
genkey|genpsk|pubkey|help) return; ;;
show|showconf|set|setconf|addconf) ;;
*) return;
esac
if [[ $COMP_CWORD -eq 2 ]]; then
local extra
[[ ${COMP_WORDS[1]} == show ]] && extra=" all interfaces"
COMPREPLY+=( $(compgen -W "$(wg show interfaces 2>/dev/null)$extra" -- "${COMP_WORDS[2]}") )
return
fi
if [[ $COMP_CWORD -eq 3 && ${COMP_WORDS[1]} == show && ${COMP_WORDS[2]} != interfaces ]]; then
COMPREPLY+=( $(compgen -W "public-key private-key preshared-key listen-port peers endpoints allowed-ips latest-handshakes persistent-keepalive transfer" -- "${COMP_WORDS[3]}") )
return
fi
if [[ $COMP_CWORD -eq 3 && ( ${COMP_WORDS[1]} == setconf || ${COMP_WORDS[1]} == addconf ) ]]; then
compopt -o filenames
COMPREPLY+=( $(compgen -f -- "${COMP_WORDS[3]}") )
return
fi
[[ ${COMP_WORDS[1]} == set ]] || return
local has_listen_port=0 has_private_key=0 has_preshared_key=0 has_peer=0 has_remove=0 has_endpoint=0 has_persistent_keepalive=0 has_allowed_ips=0 words=() i j
for ((i=3;i<COMP_CWORD;i+=2)); do
[[ ${COMP_WORDS[i]} == listen-port ]] && has_listen_port=1
[[ ${COMP_WORDS[i]} == private-key ]] && has_private_key=1
[[ ${COMP_WORDS[i]} == preshared-key ]] && has_preshared_key=1
[[ ${COMP_WORDS[i]} == peer ]] && { has_peer=$i; break; }
done
if [[ $has_peer -eq 0 ]]; then
if ((COMP_CWORD % 2 != 0)); then
[[ $has_listen_port -eq 1 ]] || words+=( listen-port )
[[ $has_private_key -eq 1 ]] || words+=( private-key )
[[ $has_preshared_key -eq 1 ]] || words+=( preshared-key )
words+=( peer )
COMPREPLY+=( $(compgen -W "${words[*]}" -- "${COMP_WORDS[COMP_CWORD]}") )
elif [[ ${COMP_WORDS[COMP_CWORD-1]} == *-key ]]; then
compopt -o filenames
COMPREPLY+=( $(compgen -f -- "${COMP_WORDS[COMP_CWORD]}") )
fi
return
fi
if [[ ${COMP_WORDS[COMP_CWORD-1]} == peer ]]; then
COMPREPLY+=( $(compgen -W "$(wg show "${COMP_WORDS[2]}" peers 2>/dev/null)" -- "${COMP_WORDS[COMP_CWORD]}") )
return
fi
for ((i=has_peer;i<COMP_CWORD;i++)); do
j=i
if [[ ${COMP_WORDS[i]} == peer ]]; then
has_remove=0
has_endpoint=0
has_persistent_keepalive=0
has_allowed_ips=0
[[ ${COMP_WORDS[i+2]} == = ]] && ((i+=2)) || ((i++))
continue
fi
[[ ${COMP_WORDS[i]} == remove ]] && has_remove=1
[[ ${COMP_WORDS[i]} == endpoint ]] && has_endpoint=1
[[ ${COMP_WORDS[i]} == persistent-keepalive ]] && has_persistent_keepalive=1
[[ ${COMP_WORDS[i]} == allowed-ips ]] && has_allowed_ips=1
[[ ${COMP_WORDS[i]} == remove ]] || ((i++))
done
((COMP_CWORD == j)) || return
if [[ $has_remove -ne 1 ]]; then
[[ $has_endpoint -eq 1 ]] || words+=( endpoint )
[[ $has_allowed_ips -eq 1 ]] || words+=( allowed-ips )
[[ $has_persistent_keepalive -eq 1 ]] || words+=( persistent-keepalive )
words+=( remove )
fi
words+=( peer )
COMPREPLY+=( $(compgen -W "${words[*]}" -- "${COMP_WORDS[COMP_CWORD]}") )
}
complete -o nosort -F _wg_completion wg