835 lines
21 KiB
Bash
835 lines
21 KiB
Bash
#!/bin/bash
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# initscripts functions
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#
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# sanitize PATH (will be overridden later when /etc/profile is sourced but is useful for udev)
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export PATH="/usr/local/bin:/usr/bin"
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# clear the TZ envvar, so daemons always respect /etc/localtime
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unset TZ
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RANDOM_SEED=/var/lib/misc/random-seed
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[[ -z $LANG ]] && . /etc/profile.d/read_locale.sh
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if [[ $1 == "start" ]]; then
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if [[ $PARENT_DAEMON ]]; then
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echo "NOTE: '${0##*/}' started as dependence of '$PARENT_DAEMON' but will be stopped first during shutdown"
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else
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export PARENT_DAEMON=${0##*/}
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fi
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fi
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# width:
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calc_columns () {
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STAT_COL=80
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if [[ ! -t 1 ]]; then
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USECOLOR=""
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elif [[ -t 0 ]]; then
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# stty will fail when stdin isn't a terminal
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STAT_COL=$(stty size)
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# stty gives "rows cols"; strip the rows number, we just want columns
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STAT_COL=${STAT_COL##* }
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elif tput cols &>/dev/null; then
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# is /usr/share/terminfo already mounted, and TERM recognized?
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STAT_COL=$(tput cols)
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fi
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if (( STAT_COL == 0 )); then
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# if output was 0 (serial console), set default width to 80
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STAT_COL=80
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USECOLOR=""
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fi
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# we use 13 characters for our own stuff
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STAT_COL=$(( STAT_COL - 13 ))
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if [[ -t 1 ]]; then
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SAVE_POSITION="\e[s"
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RESTORE_POSITION="\e[u"
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DEL_TEXT="\e[$(( STAT_COL + 4 ))G"
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else
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SAVE_POSITION=""
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RESTORE_POSITION=""
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DEL_TEXT=""
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fi
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}
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calc_columns
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# disable colors on broken terminals
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TERM_COLORS=$(tput colors 2>/dev/null)
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if (( $? != 3 )); then
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case $TERM_COLORS in
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*[!0-9]*) USECOLOR="";;
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[0-7]) USECOLOR="";;
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'') USECOLOR="";;
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esac
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fi
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unset TERM_COLORS
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unquote() {
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local -r quotes=$'[\'"]'
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if [[ ${1:0:1} = $quotes && ${1:(-1)} = "${1:0:1}" ]]; then
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printf '%s' "${1:1:(-1)}"
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else
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printf '%s' "$1"
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fi
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}
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parse_envfile() {
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local file=$1 validkeys=("${@:2}") ret=0 lineno=0 key= val=
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local -r comments=$'[;#]*'
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if [[ -z $file ]]; then
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printf "error: no environment file specified\n"
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return 1
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fi
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if [[ ! -f $file ]]; then
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printf "error: cannot parse \`%s': No such file or directory\n" "$file"
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return 1
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fi
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if [[ ! -r $file ]]; then
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printf "error: cannot read \`%s': Permission denied\n" "$file"
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return 1
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fi
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while IFS='=' read -r key val; do
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(( ++lineno ))
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# trim whitespace, avoiding usage of a tempfile
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key=$(echo "$key" | { read -r key; echo "$key"; })
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# key must exist and line must not be a comment
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[[ -z $key || ${key:0:1} = $comments ]] && continue
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# trim whitespace, strip matching quotes
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val=$(echo "$val" | { read -r val; unquote "$val"; })
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if [[ -z $val ]]; then
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printf "error: found key \`%s' without value on line %s of %s\n" \
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"$key" "$lineno" "$file"
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(( ++ret ))
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continue
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fi
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# ignore invalid keys if we have a list of valid ones
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if (( ${#validkeys[*]} )) && ! in_array "$key" "${validkeys[@]}"; then
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continue
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fi
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export "$key=$val" || (( ++ret ))
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done <"$file"
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return $ret
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}
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# functions:
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deltext() {
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printf "${DEL_TEXT}"
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}
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print_depr() {
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printf "${C_FAIL} ${1} is deprecated. See ${2} for details.${C_CLEAR} \n"
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}
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printhl() {
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printf "${C_OTHER}${PREFIX_HL} ${C_H1}${1}${C_CLEAR} \n"
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}
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printsep() {
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printf "\n${C_SEPARATOR} ------------------------------\n"
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}
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stat_bkgd() {
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printf "${C_OTHER}${PREFIX_REG} ${C_MAIN}${1}${C_CLEAR} "
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deltext
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printf " ${C_OTHER}[${C_BKGD}BKGD${C_OTHER}]${C_CLEAR} \n"
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}
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stat_busy() {
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printf "${C_OTHER}${PREFIX_REG} ${C_MAIN}${1}${C_CLEAR} "
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printf "${SAVE_POSITION}"
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deltext
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printf " ${C_OTHER}[${C_BUSY}BUSY${C_OTHER}]${C_CLEAR} "
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}
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stat_append() {
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printf "${RESTORE_POSITION}"
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printf -- "${C_MAIN}${1}${C_CLEAR}"
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printf "${SAVE_POSITION}"
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}
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stat_done() {
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deltext
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printf " ${C_OTHER}[${C_DONE}DONE${C_OTHER}]${C_CLEAR} \n"
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}
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stat_fail() {
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deltext
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printf " ${C_OTHER}[${C_FAIL}FAIL${C_OTHER}]${C_CLEAR} \n"
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}
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stat_die() {
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stat_fail
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exit ${1:-1}
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}
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status() {
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local quiet
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case $1 in
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-q)
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quiet=1
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;;&
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-v)
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# NOOP: supported for backwards compat
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shift
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;;
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esac
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stat_busy "$1"
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shift
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if (( quiet )); then
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"$@" &>/dev/null
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else
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"$@"
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fi
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local ret=$?
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(( ret == 0 )) && stat_done || stat_fail
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return $ret
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}
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# usage : in_array( $needle, $haystack )
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# return : 0 - found
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# 1 - not found
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in_array() {
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local needle=$1; shift
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local item
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for item; do
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[[ $item = "${needle}" ]] && return 0
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done
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return 1 # Not Found
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}
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# daemons:
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add_daemon() {
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[[ -d /run/daemons ]] || mkdir -p /run/daemons
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>| /run/daemons/"$1"
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}
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rm_daemon() {
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rm -f /run/daemons/"$1"
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}
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ck_daemon() {
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[[ ! -f /run/daemons/$1 ]]
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}
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# Check if $1 is a valid daemon name
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have_daemon() {
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if [[ ! -f /etc/rc.d/$1 || ! -x /etc/rc.d/$1 ]]; then
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printf "error: /etc/rc.d/$1 does not exist or is not executable\n" >&2
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return 1
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fi
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return 0
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}
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# Check if $1 is started at boot
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ck_autostart() {
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local daemon
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for daemon in "${DAEMONS[@]}"; do
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[[ $1 = "${daemon#@}" ]] && return 1
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done
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return 0
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}
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start_daemon() {
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have_daemon "$1" && /etc/rc.d/"$1" start
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}
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start_daemon_bkgd() {
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stat_bkgd "Starting $1"
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(start_daemon "$1") >/dev/null &
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}
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stop_daemon() {
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have_daemon "$1" && /etc/rc.d/"$1" stop
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}
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# Status functions
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status_started() {
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deltext
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echo -ne "$C_OTHER[${C_STRT}STARTED$C_OTHER]$C_CLEAR "
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}
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status_stopped() {
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deltext
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echo -ne "$C_OTHER[${C_STRT}STOPPED$C_OTHER]$C_CLEAR "
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}
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ck_status() {
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! ck_daemon "$1" && status_started || status_stopped
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}
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# Return PID of $1
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get_pid() {
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pidof -o %PPID $1 || return 1
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}
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# Check if PID-file $1 is still the active PID-file for command $2
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ck_pidfile() {
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if [[ -f $1 ]]; then
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local fpid ppid
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read -r fpid <"$1"
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ppid=$(get_pid "$2")
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[[ $fpid = "${ppid}" ]] && return 0
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fi
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return 1
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}
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# PIDs to be omitted by killall5
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declare -a omit_pids
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add_omit_pids() {
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omit_pids+=( $@ )
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}
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# Stop all daemons
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# This function should *never* ever perform any other actions beside calling stop_daemon()!
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# It might be used by a splash system etc. to get a list of daemons to be stopped.
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stop_all_daemons() {
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# Find daemons NOT in the DAEMONS array. Shut these down first
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local daemon
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for daemon in /run/daemons/*; do
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[[ -f $daemon ]] || continue
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daemon=${daemon##*/}
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ck_autostart "$daemon" && stop_daemon "$daemon"
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done
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# Shutdown daemons in reverse order
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local i daemon
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for (( i=${#DAEMONS[@]}-1; i>=0; i-- )); do
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[[ ${DAEMONS[i]} = '!'* ]] && continue
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daemon=${DAEMONS[i]#@}
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ck_daemon "$daemon" || stop_daemon "$daemon"
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done
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}
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# $1 - signal
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# $2 - iterations
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kill_all_wait() {
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# Send SIGTERM/SIGKILL all processes and wait until killall5
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# reports all done or timeout.
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# Unfortunately killall5 does not support the 0 signal, so just
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# use SIGCONT for checking (which should be ignored).
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local i
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killall5 -${1} ${omit_pids[@]/#/-o } &>/dev/null
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for (( i=0; i<${2}; i++ )); do
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sleep .25 # 1/4 second
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# sending SIGCONT to processes to check if they are there
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killall5 -18 ${omit_pids[@]/#/-o } &>/dev/null
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if (( $? == 2 )); then
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return 0
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fi
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done
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return 1
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}
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kill_all() {
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stat_busy "Sending SIGTERM to processes"
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kill_all_wait 15 40
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if (( $? == 0 )); then
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stat_done
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else
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stat_fail
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status "Sending SIGKILL to processes" kill_all_wait 9 60
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fi
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}
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print_welcome() {
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# see os-release(5)
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. /usr/lib/os-release
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echo " "
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printhl "${PRETTY_NAME}\n"
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printhl "${C_H2}${HOME_URL}"
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printsep
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}
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create_blacklist() {
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# $* = list of blacklisted modules
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stat_busy "Creating UDev blacklist"
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mkdir -p /run/modprobe.d
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echo "# Autogenerated from rc.conf at boot, do not edit" > /run/modprobe.d/modprobe-blacklist.conf
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(( ${#*} )) && printf 'blacklist %s\n' "${*}" >> /run/modprobe.d/modprobe-blacklist.conf
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(( $? == 0 )) && stat_done || stat_fail
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}
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# Start/trigger udev, load MODULES, and settle udev
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udevd_modprobe() {
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# $1 = where we are being called from.
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# This is used to determine which hooks to run.
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# Modules prefixed with ! should be blacklisted
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local blacklist=(${MODULES[@]##[^!]*})
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[[ $blacklist ]] && create_blacklist ${blacklist[@]/!/}
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if [ -x /usr/lib/systemd/systemd-udevd ]; then
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UDEVD_COMMAND=/usr/lib/systemd/systemd-udevd
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elif [ -x /usr/bin/udevd ]; then
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# For future forks with merged /usr/bin
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UDEVD_COMMAND=/usr/bin/udevd
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else
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echo "Unable to find udevd binary"
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return 1
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fi
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status "Starting udev daemon" $UDEVD_COMMAND --daemon
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run_hook "$1_udevlaunched"
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stat_busy "Triggering udev uevents"
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udevadm trigger --action=add --type=subsystems
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udevadm trigger --action=add --type=devices
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stat_done
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# Load modules from the MODULES array or modules-load.d
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stat_busy "Loading user-specified modules"
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if (( ${#MODULES[*]} )); then
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local -a modules=(${MODULES[@]/!*/})
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if [[ ${modules[@]} =~ [^\ ] ]]; then
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modprobe -ab "${modules[@]}"
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fi
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else
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/usr/lib/initscripts/arch-modules
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fi
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(( $? == 0 )) && stat_done || stat_fail
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status "Waiting for udev uevents to be processed" \
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udevadm settle
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run_hook "$1_udevsettled"
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# in case loading a module changed the display mode
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calc_columns
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}
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set_consolefont() {
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#CONSOLEMAP in UTF-8 shouldn't be used
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[[ $CONSOLEMAP && ${LOCALE,,} =~ utf ]] && CONSOLEMAP=""
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local i
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for i in /dev/tty[0-9]*; do
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setfont ${CONSOLEMAP:+-m "${CONSOLEMAP}"} \
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"$CONSOLEFONT" -C ${i} &>/dev/null
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done
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return $?
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}
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activate_vgs() {
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[[ $USELVM = [yY][eE][sS] && -x $(type -P lvm) && -d /sys/block ]] || return 0
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stat_busy "Activating LVM2 groups"
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vgchange --sysinit -a y >/dev/null
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(( $? == 0 )) && stat_done || stat_fail
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}
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do_unlock_legacy() {
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# $1 = requested name
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# $2 = source device
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# $3 = password
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# $4 = options
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print_depr "The legacy crypttab format" "crypttab(5)"
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local open=create a=$1 b=$2 failed=0
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# Ordering of options is different if you are using LUKS vs. not.
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# Use ugly swizzling to deal with it.
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# isLuks only gives an exit code but no output to stdout or stderr.
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if cryptsetup isLuks "$2" 2>/dev/null; then
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open=luksOpen
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a=$2
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b=$1
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fi
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case $3 in
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SWAP)
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local _overwriteokay=0
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if [[ -b $2 && -r $2 ]]; then
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# This is DANGEROUS! If there is any known file system,
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# partition table, RAID, or LVM volume on the device,
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# we don't overwrite it.
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#
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# 'blkid' returns 2 if no valid signature has been found.
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# Only in this case should we allow overwriting the device.
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#
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# This sanity check _should_ be sufficient, but it might not.
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# This may cause data loss if it is not used carefully.
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blkid -p "$2" &>/dev/null
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(( $? == 2 )) && _overwriteokay=1
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fi
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if (( _overwriteokay == 0 )); then
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false
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elif cryptsetup -d /dev/urandom $4 $open "$a" "$b" >/dev/null; then
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printf "creating swapspace..\n"
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mkswap -f -L $1 /dev/mapper/$1 >/dev/null
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fi;;
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ASK)
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printf "\nOpening '$1' volume:\n"
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cryptsetup $4 $open "$a" "$b" < /dev/console;;
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/dev*)
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local ckdev=${3%%:*}
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local cka=${3#*:}
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local ckb=${cka#*:}
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local cka=${cka%:*}
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local ckfile=/dev/ckfile
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local ckdir=/dev/ckdir
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case ${cka} in
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*[!0-9]*)
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# Use a file on the device
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# cka is not numeric: cka=filesystem, ckb=path
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mkdir ${ckdir}
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mount -r -t ${cka} ${ckdev} ${ckdir}
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dd if=${ckdir}/${ckb} of=${ckfile} >/dev/null 2>&1
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umount ${ckdir}
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rmdir ${ckdir};;
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*)
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# Read raw data from the block device
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# cka is numeric: cka=offset, ckb=length
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dd if=${ckdev} of=${ckfile} bs=1 skip=${cka} count=${ckb} >/dev/null 2>&1;;
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esac
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cryptsetup -d ${ckfile} $4 $open "$a" "$b" >/dev/null
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dd if=/dev/urandom of=${ckfile} bs=1 count=$(stat -c %s ${ckfile}) conv=notrunc >/dev/null 2>&1
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rm ${ckfile};;
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/*)
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cryptsetup -d "$3" $4 $open "$a" "$b" >/dev/null;;
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*)
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echo "$3" | cryptsetup $4 $open "$a" "$b" >/dev/null;;
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esac
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return $?
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}
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|
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do_unlock_systemd() {
|
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local name=$1 device=$2 password=$3 options=$4 failed=0
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|
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if [ ! -x /usr/lib/systemd/systemd-cryptsetup ]; then
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echo "Unable to find systemd-cryptsetup binary"
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return 1
|
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fi
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|
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# lazily convert tags to udev symlinks
|
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case $device in
|
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UUID=*)
|
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device=/dev/disk/by-uuid/$(unquote "${device#UUID=}")
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;;
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PARTUUID=*)
|
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device=/dev/disk/by-partuuid/$(unquote "${device#PARTUUID=}")
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;;
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esac
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|
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if ! /usr/lib/systemd/systemd-cryptsetup attach "$name" "$device" "$password" $options; then
|
|
failed=1
|
|
else
|
|
options=${options//,/ }
|
|
if in_array swap ${options[@]}; then
|
|
# create swap on the device only if no fs signature exists
|
|
blkid -p "$2" &>/dev/null
|
|
if (( $? != 2 )) || ! mkswap -f /dev/mapper/$name >/dev/null; then
|
|
failed=1
|
|
fi
|
|
elif in_array tmp ${options[@]}; then
|
|
# create fs on the device only if no fs signature exists
|
|
blkid -p "$2" &>/dev/null
|
|
if (( $? != 2 )) || ! mke2fs /dev/mapper/$name >/dev/null; then
|
|
failed=1
|
|
fi
|
|
fi
|
|
fi
|
|
return $failed
|
|
}
|
|
|
|
do_unlock() {
|
|
local name=$1 device=$2 password=$3 options=$4
|
|
|
|
printf "${C_MAIN}Unlocking $1${C_CLEAR}\n"
|
|
|
|
if [[ ${options:0:2} =~ -. ]]; then
|
|
do_unlock_legacy "$name" "$device" "$password" "$options"
|
|
return $?
|
|
fi
|
|
|
|
case $password in
|
|
ASK|SWAP)
|
|
do_unlock_legacy "$name" "$device" "$password" "$options"
|
|
;;
|
|
/dev/*)
|
|
if [[ ${password##*:} == $password ]]; then
|
|
do_unlock_systemd "$name" "$device" "$password" "$options"
|
|
else
|
|
do_unlock_legacy "$name" "$device" "$password" "$options"
|
|
fi
|
|
;;
|
|
/*|none|-|'')
|
|
do_unlock_systemd "$name" "$device" "$password" "$options"
|
|
;;
|
|
*)
|
|
do_unlock_legacy "$name" "$device" "$password" "$options"
|
|
;;
|
|
esac
|
|
failed=$?
|
|
if (( $failed )); then
|
|
printf "${C_FAIL}Unlocking of $1 failed.${C_CLEAR}\n"
|
|
fi
|
|
return $?
|
|
}
|
|
|
|
do_lock() {
|
|
#status "Detaching encrypted device ${1}" /usr/lib/systemd/systemd-cryptsetup detach "$1" >/dev/null
|
|
stat_busy "Detaching encrypted device ${1}"
|
|
if [ -x /usr/lib/systemd/systemd-cryptsetup ]; then
|
|
/usr/lib/systemd/systemd-cryptsetup detach "$1" >/dev/null
|
|
else
|
|
cryptsetup remove "$1" &>/dev/null
|
|
fi
|
|
(( $? == 0 )) && stat_done || stat_fail
|
|
}
|
|
|
|
read_crypttab() {
|
|
# $1 = function to call with the split out line from the crypttab
|
|
local line nspo failed=0
|
|
while read line <&3; do
|
|
[[ $line && $line != '#'* ]] || continue
|
|
eval nspo=("${line%#*}")
|
|
if $1 "${nspo[0]}" "${nspo[1]}" "${nspo[2]}" "${nspo[*]:3}"; then
|
|
crypto_unlocked=1
|
|
else
|
|
failed=1
|
|
fi
|
|
done 3< /etc/crypttab
|
|
return $failed
|
|
}
|
|
|
|
set_timezone() {
|
|
local tz=$1 zonefile=/usr/share/zoneinfo/$1
|
|
|
|
[[ $tz ]] || return 1
|
|
|
|
if [[ ! -e $zonefile ]]; then
|
|
printf "error: \`%s' is not a valid time zone\n" "$tz"
|
|
return 1
|
|
fi
|
|
|
|
if [[ -L /etc/localtime && /etc/localtime -ef $zonefile ]]; then
|
|
return 0
|
|
else
|
|
ln -sf "/usr/share/zoneinfo/$tz" /etc/localtime
|
|
fi
|
|
}
|
|
|
|
# Filesystem functions
|
|
# These can be overridden/reused for customizations like shutdown/loop-fsck.
|
|
NETFS="nfs,nfs4,smbfs,cifs,codafs,ncpfs,shfs,fuse,fuseblk,glusterfs,davfs,fuse.glusterfs"
|
|
|
|
# Check local filesystems
|
|
fsck_all() {
|
|
if [[ -f /forcefsck ]] || in_array forcefsck $(< /proc/cmdline); then
|
|
FORCEFSCK="-f"
|
|
elif [[ -f /fastboot ]] || in_array fastboot $(< /proc/cmdline); then
|
|
return 0
|
|
elif findmnt / --options rw &>/dev/null; then
|
|
IGNORE_MOUNTED="-M"
|
|
fi
|
|
|
|
fsck -A -T -C${FSCK_FD} -a -t no${NETFS//,/,no},noopts=_netdev ${IGNORE_MOUNTED} -- ${FORCEFSCK}
|
|
}
|
|
|
|
# Single-user login and/or automatic reboot after fsck (if needed)
|
|
fsck_reboot() {
|
|
# $1 = exit code returned by fsck
|
|
# Ignore conditions 'FS errors corrected' and 'Cancelled by the user'
|
|
(( ($1 | 33) == 33 )) && return 0
|
|
if (( $1 & 2 )); then
|
|
echo
|
|
echo "********************** REBOOT REQUIRED *********************"
|
|
echo "* *"
|
|
echo "* The system will be rebooted automatically in 15 seconds. *"
|
|
echo "* *"
|
|
echo "************************************************************"
|
|
echo
|
|
sleep 15
|
|
else
|
|
echo
|
|
echo "***************** FILESYSTEM CHECK FAILED ****************"
|
|
echo "* *"
|
|
echo "* Please repair manually and reboot. Note that the root *"
|
|
echo "* file system is currently mounted read-only. To remount *"
|
|
echo "* it read-write, type: mount -o remount,rw / *"
|
|
echo "* When you exit the maintenance shell, the system will *"
|
|
echo "* reboot automatically. *"
|
|
echo "* *"
|
|
echo "************************************************************"
|
|
echo
|
|
sulogin -p
|
|
fi
|
|
echo "Automatic reboot in progress..."
|
|
umount -a
|
|
mount -o remount,ro /
|
|
reboot -f
|
|
exit 0
|
|
}
|
|
|
|
mount_all() {
|
|
mount -a -t "no${NETFS//,/,no}" -O no_netdev
|
|
}
|
|
|
|
umount_all() {
|
|
# $1: restrict to fstype
|
|
|
|
findmnt -mrunRo TARGET,FSTYPE,OPTIONS / | {
|
|
while read -r target fstype options; do
|
|
# match only targeted fstypes
|
|
if [[ $1 && $1 != "$fstype" ]]; then
|
|
continue
|
|
fi
|
|
|
|
# do not unmount API filesystems
|
|
if [[ $target = /@(proc|sys|run|dev|dev/pts) ]]; then
|
|
continue
|
|
fi
|
|
|
|
# avoid networked devices
|
|
IFS=, read -ra opts <<< "$options"
|
|
if in_array _netdev "${opts[@]}"; then
|
|
continue
|
|
fi
|
|
|
|
mounts=("$target" "${mounts[@]}")
|
|
done
|
|
|
|
if (( ${#mounts[*]} )); then
|
|
umount -r "${mounts[@]}"
|
|
fi
|
|
}
|
|
|
|
}
|
|
|
|
remove_leftover() {
|
|
status 'Removing leftover files' /usr/lib/initscripts/arch-tmpfiles --create --remove --clean --boot
|
|
}
|
|
|
|
bootlogd_stop() {
|
|
[[ -f /run/bootlogd.pid ]] || return 0
|
|
touch /var/log/boot
|
|
kill $(< /run/bootlogd.pid)
|
|
rm -f /run/bootlogd.pid
|
|
}
|
|
|
|
###############################
|
|
# Custom hooks in initscripts #
|
|
###############################
|
|
# Hooks can be used to include custom code in various places in the rc.* scripts
|
|
#
|
|
# To define a hook function, create a file with any name in functions.d containing:
|
|
# function_name() {
|
|
# ...
|
|
# }
|
|
# add_hook hook_name function_name
|
|
# It is allowed to register several hook functions for the same hook
|
|
# Is is also allowed to register the same hook function for several hooks
|
|
#
|
|
# Functions can be created for the following hooks:
|
|
# sysinit_start: at the beginning of rc.sysinit
|
|
# multi_start: at the beginning of rc.multi
|
|
# single_start: at the beginning of rc.single
|
|
# shutdown_start: at the beginning of rc.shutdown
|
|
# sysinit_end: at the end of rc.sysinit
|
|
# multi_end: at the end of rc.multi
|
|
# single_end: at the end of rc.single
|
|
# sysinit_udevlaunched: after udev has been launched in rc.sysinit (called from functions)
|
|
# single_udevlaunched: after udev has been launched in rc.single (called from functions)
|
|
# sysinit_udevsettled: after uevents have settled in rc.sysinit (called from functions)
|
|
# single_udevsettled: after uevents have settled in rc.single (called from functions)
|
|
# sysinit_prefsck: before local filesystems are checked in rc.sysinit
|
|
# sysinit_postfsck: after local filesystems are checked in rc.sysinit
|
|
# sysinit_premount: before local filesystems are mounted, but after root is mounted read-write in rc.sysinit
|
|
# sysinit_postmount: after local filesystems are mounted in rc.sysinit
|
|
# shutdown_prekillall: before all processes are being killed in rc.shutdown
|
|
# single_prekillall: before all processes are being killed in rc.single
|
|
# shutdown_postkillall: after all processes have been killed in rc.shutdown
|
|
# single_postkillall: after all processes have been killed in rc.single
|
|
# shutdown_preumount: after last filesystem write, but before filesystems are unmounted in rc.shutdown
|
|
# shutdown_postumount: after filesystems are unmounted in rc.shutdown
|
|
# shutdown_poweroff: directly before powering off in rc.shutdown
|
|
#
|
|
# Declare add_hook and run_hook as read-only to prevent overwriting them.
|
|
# Too bad we cannot do the same thing with hook_funcs
|
|
|
|
if (( RC_FUNCTIONS_HOOK_FUNCS_DEFINED != 1 )); then
|
|
declare -A hook_funcs
|
|
|
|
add_hook() {
|
|
[[ $1 && $2 ]] || return 1
|
|
hook_funcs[$1]+=" $2"
|
|
}
|
|
|
|
run_hook() {
|
|
[[ $1 ]] || return 1
|
|
local func
|
|
for func in ${hook_funcs["$1"]}; do
|
|
"${func}"
|
|
done
|
|
}
|
|
|
|
declare -fr add_hook run_hook
|
|
declare -r RC_FUNCTIONS_HOOK_FUNCS_DEFINED=1
|
|
fi
|
|
|
|
# set colors
|
|
if [[ $USECOLOR != [nN][oO] ]]; then
|
|
if tput setaf 0 &>/dev/null; then
|
|
C_CLEAR=$(tput sgr0) # clear text
|
|
C_MAIN=${C_CLEAR}$(tput bold) # main text
|
|
C_OTHER=${C_MAIN}$(tput setaf 4) # prefix & brackets
|
|
C_SEPARATOR=${C_MAIN}$(tput setaf 0) # separator
|
|
C_BUSY=${C_CLEAR}$(tput setaf 6) # busy
|
|
C_FAIL=${C_MAIN}$(tput setaf 1) # failed
|
|
C_DONE=${C_MAIN} # completed
|
|
C_BKGD=${C_MAIN}$(tput setaf 5) # backgrounded
|
|
C_H1=${C_MAIN} # highlight text 1
|
|
C_H2=${C_MAIN}$(tput setaf 6) # highlight text 2
|
|
else
|
|
C_CLEAR="\e[m" # clear text
|
|
C_MAIN="\e[;1m" # main text
|
|
C_OTHER="\e[1;34m" # prefix & brackets
|
|
C_SEPARATOR="\e[1;30m" # separator
|
|
C_BUSY="\e[;36m" # busy
|
|
C_FAIL="\e[1;31m" # failed
|
|
C_DONE=${C_MAIN} # completed
|
|
C_BKGD="\e[1;35m" # backgrounded
|
|
C_H1=${C_MAIN} # highlight text 1
|
|
C_H2="\e[1;36m" # highlight text 2
|
|
fi
|
|
fi
|
|
|
|
# prefixes:
|
|
|
|
PREFIX_REG="::"
|
|
PREFIX_HL=" >"
|
|
|
|
# Source additional functions at the end to allow overrides
|
|
for f in /etc/rc.d/functions.d/*; do
|
|
[[ -e $f ]] && . "$f"
|
|
done
|
|
|
|
# End of file
|
|
# vim: set ts=2 sw=2 noet:
|