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systemd/0020-shell-completion-add-systemd-creds.patch
Jan Macku e20fafc72a systemd-257-3 
Resolves: RHEL-44417, RHEL-71409, RHEL-72798
2025-01-08 09:25:36 +01:00

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From b256e149d4eceb9931fa6b727f3523a8d9fd0198 Mon Sep 17 00:00:00 2001
From: Luca Boccassi <luca.boccassi@gmail.com>
Date: Tue, 10 Dec 2024 22:19:09 +0000
Subject: [PATCH] shell completion: add systemd-creds
(cherry picked from commit 783f794e89996ae7f2ae1872d65c515a672437fa)
---
shell-completion/bash/meson.build | 1 +
shell-completion/bash/systemd-creds | 185 ++++++++++++++++++++++++++++
2 files changed, 186 insertions(+)
create mode 100644 shell-completion/bash/systemd-creds
diff --git a/shell-completion/bash/meson.build b/shell-completion/bash/meson.build
index 91635df74a..59c2e2ef40 100644
--- a/shell-completion/bash/meson.build
+++ b/shell-completion/bash/meson.build
@@ -24,6 +24,7 @@ items = [['busctl', ''],
['systemd-cat', ''],
['systemd-cgls', ''],
['systemd-cgtop', ''],
+ ['systemd-creds', ''],
['systemd-delta', ''],
['systemd-detect-virt', ''],
['systemd-id128', ''],
diff --git a/shell-completion/bash/systemd-creds b/shell-completion/bash/systemd-creds
new file mode 100644
index 0000000000..310106b936
--- /dev/null
+++ b/shell-completion/bash/systemd-creds
@@ -0,0 +1,185 @@
+# shellcheck shell=bash
+# systemd-creds(1) completion -*- shell-script -*-
+# SPDX-License-Identifier: LGPL-2.1-or-later
+#
+# This file is part of systemd.
+#
+# systemd is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation; either version 2.1 of the License, or
+# (at your option) any later version.
+#
+# systemd is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with systemd; If not, see <https://www.gnu.org/licenses/>.
+
+__contains_word() {
+ local w word=$1; shift
+ for w in "$@"; do
+ [[ $w = "$word" ]] && return
+ done
+}
+
+__get_tpm2_devices() {
+ local i
+ for i in /dev/tpmrm*; do
+ [ -c "$i" ] && printf '%s\n' "$i"
+ done
+}
+
+__get_creds() {
+ local a b c
+ local mode=$1; shift 1
+ systemd-creds list $mode --no-legend --no-pager $1 2>/dev/null | \
+ { while read -r a b c; do echo " $a"; done }
+}
+
+_systemd_creds() {
+ local verb comps mode i
+ local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]} words cword
+ local -A OPTS=(
+ [STANDALONE]='-h --help --version --no-pager --no-legend
+ -H -T --system --user -p --pretty --allow-null'
+ [ARG]='--tpm2-device
+ --tpm2-device-key
+ --tpm2-pcrs
+ --tpm2-public-key
+ --tpm2-public-key-pcrs
+ --tpm2-signature
+ --json
+ --transcode
+ --newline
+ --name
+ --timestamp
+ --not-after
+ --with-key
+ --uid'
+ )
+
+ local -A VERBS=(
+ [STANDALONE]='list setup'
+ [CAT]='cat'
+ [ENCRYPT]='encrypt'
+ [DECRYPT]='decrypt'
+ )
+
+ local -A OPTS_FOR_VERB=(
+ [CAT]='--help
+ --version
+ --no-pager
+ --no-legend
+ --user
+ --system'
+ [ENCRYPT]='--help
+ --version
+ --no-pager
+ --no-legend
+ --uid
+ --with-key
+ -H
+ -T
+ --tpm2-device
+ --tpm2-pcrs
+ --tpm2-public-key
+ --tpm2-public-key-pcrs
+ --tpm2-signature
+ --not-after
+ --name
+ --timestamp
+ --pretty'
+ [DECRYPT]='--help
+ --version
+ --no-pager
+ --no-legend
+ --uid
+ --tpm2-device
+ --tpm2-pcrs
+ --tpm2-public-key
+ --tpm2-public-key-pcrs
+ --tpm2-signature
+ --name
+ --timestamp
+ --allow-null'
+ )
+
+ _init_completion || return
+
+ if __contains_word "--user" ${COMP_WORDS[*]}; then
+ mode=--user
+ elif __contains_word "--system" ${COMP_WORDS[*]}; then
+ mode=--system
+ else
+ mode=''
+ fi
+
+ if __contains_word "$prev" ${OPTS[ARG]}; then
+ case $prev in
+ --tpm2-public-key|--tpm2-signature)
+ comps=$(compgen -A file -- "$cur")
+ compopt -o filenames
+ ;;
+ --tpm2-device)
+ comps="auto list $(__get_tpm2_devices)"
+ ;;
+ --json)
+ comps=$( systemd-creds --json=help 2>/dev/null )
+ ;;
+ --transcode)
+ comps='base64 unbase64 hex unhex'
+ ;;
+ --with-key)
+ comps='host tpm2 host+tpm2 null auto auto-initrd'
+ ;;
+ esac
+ COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
+ return 0
+ fi
+
+ if [[ -z ${verb-} && "$cur" = -* ]]; then
+ COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
+ return 0
+ fi
+
+ for ((i=0; i < COMP_CWORD; i++)); do
+ if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
+ ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
+ verb=${COMP_WORDS[i]}
+ break
+ fi
+ done
+
+ if [[ -z ${verb-} ]]; then
+ comps=${VERBS[*]}
+ elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
+ comps=''
+ elif __contains_word "$verb" ${VERBS[CAT]}; then
+ if [[ $cur = -* ]]; then
+ comps=${OPTS_FOR_VERB[CAT]}
+ else
+ comps=$( __get_creds $mode )
+ fi
+ elif __contains_word "$verb" ${VERBS[ENCRYPT]}; then
+ if [[ $cur = -* ]]; then
+ comps=${OPTS_FOR_VERB[ENCRYPT]}
+ else
+ comps=$( compgen -A file -- "$cur" )
+ compopt -o filenames
+ fi
+ elif __contains_word "$verb" ${VERBS[DECRYPT]}; then
+ if [[ $cur = -* ]]; then
+ comps=${OPTS_FOR_VERB[DECRYPT]}
+ else
+ comps=$( compgen -A file -- "$cur" )
+ compopt -o filenames
+ fi
+ fi
+
+ COMPREPLY=( $(compgen -W '${comps-}' -- "$cur") )
+ return 0
+}
+
+complete -F _systemd_creds systemd-creds
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