begin prep for procd
This commit is contained in:
Cameron Thompson
282
opkg-feed/installer/openwrt-sdxlemur-skel/etc/init.d/dropbear
Executable file
282
opkg-feed/installer/openwrt-sdxlemur-skel/etc/init.d/dropbear
Executable file
@@ -0,0 +1,282 @@
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#!/bin/sh /etc/rc.common
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# Copyright (C) 2006-2010 OpenWrt.org
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# Copyright (C) 2006 Carlos Sobrinho
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START=19
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STOP=50
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USE_PROCD=1
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PROG=/usr/sbin/dropbear
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NAME=dropbear
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PIDCOUNT=0
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extra_command "killclients" "Kill ${NAME} processes except servers and yourself"
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_dropbearkey()
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{
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/usr/bin/dropbearkey "$@" 0<&- 1>&- 2>&-
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}
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# $1 - host key file name
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hk_verify()
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{
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[ -f "$1" ] || return 1
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[ -s "$1" ] || return 2
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_dropbearkey -y -f "$1" || return 3
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return 0
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}
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# $1 - hk_verify() return code
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hk_errmsg()
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{
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case "$1" in
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0) ;;
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1) echo "file does not exist" ;;
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2) echo "file has zero length" ;;
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3) echo "file is not valid host key or not supported" ;;
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*) echo "unknown error" ;;
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esac
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}
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# $1 - config option
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# $2 - host key file name
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hk_config()
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{
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local x m
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hk_verify "$2"; x=$?
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case "$x" in
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0) procd_append_param command -r "$2"
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;;
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*) m=$(hk_errmsg "$x")
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logger -t "${NAME}" -p daemon.warn \
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"option '$1', value '$2': $m, skipping"
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;;
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esac
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}
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# $1 - host key file name
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hk_config__keyfile()
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{
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hk_config 'keyfile' "$1"
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}
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hk_generate_as_needed()
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{
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local kdir kgen ktype tdir kcount tfile
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kdir='/etc/dropbear'
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kgen=''
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for ktype in ed25519 ecdsa rsa; do
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hk_verify "${kdir}/dropbear_${ktype}_host_key" && continue
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kgen="${kgen} ${ktype}"
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done
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[ -z "${kgen}" ] && return
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tdir=$(mktemp -d); chmod 0700 "${tdir}"
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kcount=0
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for ktype in ${kgen}; do
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tfile="${tdir}/dropbear_${ktype}_host_key"
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if ! _dropbearkey -t ${ktype} -f "${tfile}"; then
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# unsupported key type
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rm -f "${tfile}"
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continue
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fi
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kcount=$((kcount+1))
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done
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if [ ${kcount} -ne 0 ]; then
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mkdir -p "${kdir}"; chmod 0700 "${kdir}"; chown root "${kdir}"
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mv -f "${tdir}/"* "${kdir}/"
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fi
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rm -rf "${tdir}"
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}
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append_ports()
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{
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local ipaddrs="$1"
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local port="$2"
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[ -z "$ipaddrs" ] && {
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procd_append_param command -p "$port"
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return
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}
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for addr in $ipaddrs; do
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procd_append_param command -p "$addr:$port"
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done
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}
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validate_section_dropbear()
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{
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uci_load_validate dropbear dropbear "$1" "$2" \
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'PasswordAuth:bool:1' \
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'enable:bool:1' \
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'Interface:string' \
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'GatewayPorts:bool:0' \
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'RootPasswordAuth:bool:1' \
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'RootLogin:bool:1' \
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'rsakeyfile:file' \
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'keyfile:list(file)' \
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'BannerFile:file' \
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'Port:port:22' \
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'SSHKeepAlive:uinteger:300' \
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'IdleTimeout:uinteger:0' \
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'MaxAuthTries:uinteger:3' \
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'RecvWindowSize:uinteger:0' \
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'mdns:bool:1'
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}
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dropbear_instance()
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{
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local ipaddrs
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[ "$2" = 0 ] || {
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echo "validation failed"
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return 1
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}
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[ -n "${Interface}" ] && {
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[ -n "${BOOT}" ] && return 0
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network_get_ipaddrs_all ipaddrs "${Interface}" || {
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echo "interface ${Interface} has no physdev or physdev has no suitable ip"
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return 1
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}
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}
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[ "${enable}" = "0" ] && return 1
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PIDCOUNT="$(( ${PIDCOUNT} + 1))"
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local pid_file="/var/run/${NAME}.${PIDCOUNT}.pid"
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procd_open_instance
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procd_set_param command "$PROG" -F -P "$pid_file"
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[ "${PasswordAuth}" -eq 0 ] && procd_append_param command -s
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[ "${GatewayPorts}" -eq 1 ] && procd_append_param command -a
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[ "${RootPasswordAuth}" -eq 0 ] && procd_append_param command -g
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[ "${RootLogin}" -eq 0 ] && procd_append_param command -w
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if [ -n "${rsakeyfile}" ]; then
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logger -t ${NAME} -p daemon.warn \
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"option 'rsakeyfile' is considered to be deprecated and" \
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"will be removed in future releases, use 'keyfile' instead"
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hk_config 'rsakeyfile' "${rsakeyfile}"
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fi
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config_list_foreach "$1" "keyfile" hk_config__keyfile
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[ -n "${BannerFile}" ] && procd_append_param command -b "${BannerFile}"
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append_ports "${ipaddrs}" "${Port}"
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[ "${IdleTimeout}" -ne 0 ] && procd_append_param command -I "${IdleTimeout}"
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[ "${SSHKeepAlive}" -ne 0 ] && procd_append_param command -K "${SSHKeepAlive}"
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[ "${MaxAuthTries}" -ne 0 ] && procd_append_param command -T "${MaxAuthTries}"
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[ "${RecvWindowSize}" -gt 0 -a "${RecvWindowSize}" -le 1048576 ] && \
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procd_append_param command -W "${RecvWindowSize}"
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[ "${mdns}" -ne 0 ] && procd_add_mdns "ssh" "tcp" "$Port" "daemon=dropbear"
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procd_set_param respawn
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procd_close_instance
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}
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load_interfaces()
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{
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config_get interface "$1" Interface
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config_get enable "$1" enable 1
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[ "${enable}" = "1" ] && interfaces=" ${interface} ${interfaces}"
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}
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boot()
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{
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BOOT=1
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start "$@"
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}
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start_service()
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{
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hk_generate_as_needed
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. /lib/functions.sh
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. /lib/functions/network.sh
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config_load "${NAME}"
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config_foreach validate_section_dropbear dropbear dropbear_instance
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}
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service_triggers()
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{
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local interfaces
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procd_add_config_trigger "config.change" "dropbear" /etc/init.d/dropbear reload
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config_load "${NAME}"
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config_foreach load_interfaces dropbear
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[ -n "${interfaces}" ] && {
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for n in $interfaces ; do
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procd_add_interface_trigger "interface.*" $n /etc/init.d/dropbear reload
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done
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}
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procd_add_validation validate_section_dropbear
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}
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shutdown() {
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# close all open connections
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killall dropbear
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}
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killclients()
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{
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local ignore=''
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local server
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local pid
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# if this script is run from inside a client session, then ignore that session
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pid="$$"
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while [ "${pid}" -ne 0 ]
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do
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# get parent process id
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pid=$(cut -d ' ' -f 4 "/proc/${pid}/stat")
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[ "${pid}" -eq 0 ] && break
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# check if client connection
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grep -F -q -e "${PROG}" "/proc/${pid}/cmdline" && {
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append ignore "${pid}"
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break
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}
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done
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# get all server pids that should be ignored
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for server in $(cat /var/run/${NAME}.*.pid)
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do
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append ignore "${server}"
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done
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# get all running pids and kill client connections
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local skip
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for pid in $(pidof "${NAME}")
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do
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# check if correct program, otherwise process next pid
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grep -F -q -e "${PROG}" "/proc/${pid}/cmdline" || {
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continue
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}
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# check if pid should be ignored (servers, ourself)
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skip=0
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for server in ${ignore}
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do
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if [ "${pid}" = "${server}" ]
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then
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skip=1
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break
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fi
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done
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[ "${skip}" -ne 0 ] && continue
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# kill process
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echo "${initscript}: Killing ${pid}..."
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kill -KILL ${pid}
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done
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}
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194
opkg-feed/installer/openwrt-sdxlemur-skel/etc/rc.common
Executable file
194
opkg-feed/installer/openwrt-sdxlemur-skel/etc/rc.common
Executable file
@@ -0,0 +1,194 @@
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#!/bin/sh
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# Copyright (C) 2006-2012 OpenWrt.org
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. $IPKG_INSTROOT/lib/functions.sh
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. $IPKG_INSTROOT/lib/functions/service.sh
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initscript=$1
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action=${2:-help}
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shift 2
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start() {
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return 0
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}
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stop() {
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return 0
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}
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reload() {
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restart
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}
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restart() {
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trap '' TERM
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stop "$@"
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trap - TERM
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start "$@"
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}
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boot() {
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start "$@"
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}
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shutdown() {
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stop
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}
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disable() {
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name="$(basename "${initscript}")"
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rm -f "$IPKG_INSTROOT"/etc/rc.d/S??$name
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rm -f "$IPKG_INSTROOT"/etc/rc.d/K??$name
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}
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enable() {
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err=1
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name="$(basename "${initscript}")"
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[ "$START" ] && \
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ln -sf "../init.d/$name" "$IPKG_INSTROOT/etc/rc.d/S${START}${name##S[0-9][0-9]}" && \
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err=0
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[ "$STOP" ] && \
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ln -sf "../init.d/$name" "$IPKG_INSTROOT/etc/rc.d/K${STOP}${name##K[0-9][0-9]}" && \
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err=0
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return $err
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}
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enabled() {
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name="$(basename "${initscript}")"
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name="${name##[SK][0-9][0-9]}"
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{
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[ -z "${START:-}" ] || [ -L "$IPKG_INSTROOT/etc/rc.d/S${START}$name" ]
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} && {
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[ -z "${STOP:-}" ] || [ -L "$IPKG_INSTROOT/etc/rc.d/K${STOP}$name" ]
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}
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}
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depends() {
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return 0
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}
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ALL_HELP=""
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ALL_COMMANDS="boot shutdown depends"
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extra_command() {
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local cmd="$1"
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local help="$2"
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local extra="$(printf "%-16s%s" "${cmd}" "${help}")"
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ALL_HELP="${ALL_HELP}\t${extra}\n"
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ALL_COMMANDS="${ALL_COMMANDS} ${cmd}"
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}
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help() {
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cat <<EOF
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Syntax: $initscript [command]
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Available commands:
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EOF
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echo -e "$ALL_HELP"
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}
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# for procd
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start_service() {
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return 0
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}
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stop_service() {
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return 0
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}
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service_triggers() {
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return 0
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}
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service_data() {
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return 0
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}
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service_running() {
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local instance="${1:-*}"
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procd_running "$(basename $initscript)" "$instance"
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}
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${INIT_TRACE:+set -x}
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extra_command "start" "Start the service"
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extra_command "stop" "Stop the service"
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extra_command "restart" "Restart the service"
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extra_command "reload" "Reload configuration files (or restart if service does not implement reload)"
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extra_command "enable" "Enable service autostart"
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extra_command "disable" "Disable service autostart"
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extra_command "enabled" "Check if service is started on boot"
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. "$initscript"
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[ -n "$USE_PROCD" ] && {
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extra_command "running" "Check if service is running"
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extra_command "status" "Service status"
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extra_command "trace" "Start with syscall trace"
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extra_command "info" "Dump procd service info"
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. $IPKG_INSTROOT/lib/functions/procd.sh
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basescript=$(readlink "$initscript")
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rc_procd() {
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local method="set"
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[ -n "$2" ] && method="add"
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procd_open_service "$(basename ${basescript:-$initscript})" "$initscript"
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"$@"
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procd_close_service "$method"
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}
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start() {
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rc_procd start_service "$@"
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if eval "type service_started" 2>/dev/null >/dev/null; then
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service_started
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fi
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}
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trace() {
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TRACE_SYSCALLS=1
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start "$@"
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}
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info() {
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json_init
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json_add_string name "$(basename ${basescript:-$initscript})"
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json_add_boolean verbose "1"
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_procd_ubus_call list
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}
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stop() {
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procd_lock
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stop_service "$@"
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procd_kill "$(basename ${basescript:-$initscript})" "$1"
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if eval "type service_stopped" 2>/dev/null >/dev/null; then
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service_stopped
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fi
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}
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reload() {
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if eval "type reload_service" 2>/dev/null >/dev/null; then
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procd_lock
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reload_service "$@"
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else
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start
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||||
fi
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}
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||||
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||||
running() {
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||||
service_running "$@"
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||||
}
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||||
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status() {
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||||
if eval "type status_service" 2>/dev/null >/dev/null; then
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status_service "$@"
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||||
else
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||||
_procd_status "$(basename ${basescript:-$initscript})" "$1"
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||||
fi
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||||
}
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}
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||||
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||||
ALL_COMMANDS="${ALL_COMMANDS} ${EXTRA_COMMANDS}"
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||||
ALL_HELP="${ALL_HELP}${EXTRA_HELP}"
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||||
list_contains ALL_COMMANDS "$action" || action=help
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||||
$action "$@"
|
||||
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Block a user