157da8c4ee
The alfred daemon allows to be started with multiple interfaces. The first interface is used for communication and to calculate the source mac address. The rest of the interfaces are only used for communication. Signed-off-by: Sven Eckelmann <sven@narfation.org>
143 lines
3.1 KiB
Bash
Executable file
143 lines
3.1 KiB
Bash
Executable file
#!/bin/sh /etc/rc.common
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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START=99
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USE_PROCD=1
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alfred_args=""
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vis_args=""
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facters_dir="/etc/alfred"
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enable=0
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vis_enable=0
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wait_for_dir() {
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local ifce="$1" dir="$2"
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if ! [ -d "$dir" ] ; then
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timeout=30
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echo "waiting $timeout secs for $ifce interface..."
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for i in $(seq $timeout); do
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sleep 1
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[ -d "$dir" ] && break
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if [ $i = $timeout ] ; then
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echo "$ifce not detected, alfred not starting."
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exit 1
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fi
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done
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fi
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}
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wait_for_ll_address() {
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local iface="$1"
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local timeout=30
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echo "waiting $timeout secs for $iface address..."
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for i in $(seq $timeout); do
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# We look for
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# - the link-local address (starts with fe80)
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# - without tentative flag (bit 0x40 in the flags field; the first char of the fifth field is evaluated)
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# - on interface $iface
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if awk '
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BEGIN { RET=1 }
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$1 ~ /^fe80/ && $5 ~ /^[012389ab]/ && $6 == "'"$iface"'" { RET=0 }
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END { exit RET }
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' /proc/net/if_inet6; then
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return
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fi
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sleep 1
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done
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echo "$iface address not detected, alfred not starting."
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exit 1
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}
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append_interface()
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{
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append "interfaces" "$1" ","
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wait_for_ll_address "$1"
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}
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alfred_start() {
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local args=""
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local section="$1"
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local disabled interface mode
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local interfaces
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# check if section is disabled
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config_get_bool disabled "$section" disabled 0
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[ $disabled = 0 ] || return 1
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args=""
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config_list_foreach "$section" "interface" append_interface
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if [ -z "$interfaces" ]; then
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config_get interface "$section" interface
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append_interface "$interface"
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fi
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append args "-i $interfaces"
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config_get mode "$section" mode
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[ "$mode" = "master" ] && append args "-m"
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config_get batmanif "$section" batmanif
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append args "-b $batmanif"
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if [ "$batmanif" != "none" ]; then
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wait_for_dir "$batmanif" "/sys/class/net/$batmanif/mesh"
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fi
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append alfred_args "$args"
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enable=1
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config_get_bool start_vis "$section" start_vis 0
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if [ "$start_vis" = 1 ] && [ -x /usr/sbin/batadv-vis ]; then
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vis_enable=1
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append vis_args "-i $batmanif -s"
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fi
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config_get_bool run_facters "$section" run_facters 0
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return 0
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}
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start_service() {
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config_load "alfred"
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config_foreach alfred_start alfred
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[ "$enable" = "0" ] && exit 0
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procd_open_instance "alfred"
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procd_set_param command /usr/sbin/alfred
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procd_append_param command ${alfred_args}
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procd_close_instance
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[ "$vis_enable" = "1" ] && {
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procd_open_instance "batadv-vis"
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procd_set_param command /usr/sbin/batadv-vis
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procd_append_param command ${vis_args}
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procd_close_instance
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}
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[ "$run_facters" = "1" ] && {
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( for file in $facters_dir/* ; do [ -x $file ] && $file ; done )
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if ! ( grep -q "for file in $facters_dir/\* ; do " /etc/crontabs/root 2>/dev/null ) ; then
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echo "*/5 * * * * ( for file in $facters_dir/* ; do [ -x \$file ] && \$file ; done )" >> /etc/crontabs/root
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/etc/init.d/cron enable
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/etc/init.d/cron restart
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fi
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}
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}
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service_triggers() {
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procd_add_reload_trigger "alfred"
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}
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stop_service() {
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[ -e /etc/crontabs/root ] && {
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sed "\|for file in $facters_dir/\* ; do |d" -i /etc/crontabs/root
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/etc/init.d/cron restart
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}
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}
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