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250 lines
7.9 KiB
250 lines
7.9 KiB
#!/bin/sh /etc/rc.common
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START=98
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USE_PROCD=1
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SAMBA_IFACE=""
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smb_header() {
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config_get SAMBA_IFACE $1 interface "lan"
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# resolve interfaces
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local interfaces
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interfaces=$(
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. /lib/functions/network.sh
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local net
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for net in $SAMBA_IFACE; do
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local device
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network_is_up $net || continue
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network_get_device device "$net"
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printf "%s " "${device:-$net}"
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done
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)
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local workgroup description charset
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# we dont use netbios anymore as default and wsd/avahi is dns based
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local hostname
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hostname="$(cat /proc/sys/kernel/hostname)"
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config_get workgroup $1 workgroup "WORKGROUP"
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config_get description $1 description "Samba on OpenWrt"
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config_get charset $1 charset "UTF-8"
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config_get_bool MACOS $1 macos 0
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config_get_bool DISABLE_NETBIOS $1 disable_netbios 0
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config_get_bool DISABLE_AD_DC $1 disable_ad_dc 0
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config_get_bool DISABLE_WINBIND $1 disable_winbind 0
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config_get_bool DISABLE_ASYNC_IO $1 disable_async_io 0
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config_get_bool ALLOW_LEGACY_PROTOCOLS $1 allow_legacy_protocols 0
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config_get_bool ENABLE_EXTRA_TUNING $1 enable_extra_tuning 0
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mkdir -p /var/etc
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sed -e "s#|NAME|#$hostname#g" \
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-e "s#|WORKGROUP|#$workgroup#g" \
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-e "s#|DESCRIPTION|#$description#g" \
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-e "s#|INTERFACES|#$interfaces#g" \
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-e "s#|CHARSET|#$charset#g" \
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/etc/samba/smb.conf.template > /var/etc/smb.conf
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{
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printf "\n######### Dynamic written config options #########\n"
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# extra tuning options by community feedback (kinda try&error)
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if [ "$ENABLE_EXTRA_TUNING" -eq 1 ]; then
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local socket_opt
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socket_opt="$(grep -i 'socket options' /etc/samba/smb.conf.template | awk -F'=' '{print $2}' | tr -d '\n')"
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[ -n "$socket_opt" ] && printf "\tsocket options =%s SO_KEEPALIVE\n" "$socket_opt" # add keepalive, maybe larger buffer? SO_RCVBUF=65536 SO_SNDBUF=65536
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printf "\tmax xmit = 131072\n" # increase smb1 transmit size
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printf "\tmin receivefile size = 131072\n" # allows zero-copy writes via fs
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printf "\tfake oplocks = Yes\n" # may corrupt files for simultanous writes to the same files by multiple clients, but might also see big speed boost
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printf "\tuse sendfile = Yes\n" # enable sendfile, not sure whats with the 2019 bug https://bugzilla.samba.org/show_bug.cgi?id=14095
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# Removed in 4.12.x in favor of VFS io_uring ; this is per file, so may increase memory useage on many simultanous oplocked files!
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printf "\twrite cache size = 262144\n" # adds a write cache buffer per file for oplocked files, flushes if size is exhausted
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fi
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if [ "$DISABLE_NETBIOS" -eq 1 ] || [ ! -x /usr/sbin/nmbd ]; then
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printf "\tdisable netbios = yes\n"
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# note: samba opens port 139 even if netbios is disabled via option above, so adjust listening ports
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printf "\tsmb ports = 445\n"
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fi
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if [ "$DISABLE_ASYNC_IO" -eq 1 ]; then
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printf "\taio read size = 0\n"
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printf "\taio write size = 0\n"
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# sendfile bug: https://bugzilla.samba.org/show_bug.cgi?id=14095
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printf "\tuse sendfile = no\n"
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fi
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if [ "$ALLOW_LEGACY_PROTOCOLS" -eq 1 ]; then
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logger -p daemon.info -t 'samba4-server' "Legacy Protocols allowed, don't use this option for secure environments!"
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printf "\tserver min protocol = NT1\n"
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printf "\tlanman auth = yes\n"
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printf "\tntlm auth = ntlmv1-permitted\n"
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fi
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} >> /var/etc/smb.conf
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[ -e /etc/samba/smb.conf ] || ln -nsf /var/etc/smb.conf /etc/samba/smb.conf
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if [ ! -L /etc/samba/smb.conf ]; then
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logger -p daemon.warn -t 'samba4-server' "Local custom /etc/samba/smb.conf file detected, all luci/config settings are ignored!"
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fi
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}
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smb_add_share() {
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local name
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local path
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local users
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local create_mask
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local dir_mask
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local browseable
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local read_only
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local writeable
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local guest_ok
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local guest_only
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local inherit_owner
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local vfs_objects
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local timemachine
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local timemachine_maxsize
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local force_root
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local write_list
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local read_list
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config_get name $1 name
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config_get path $1 path
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config_get users $1 users
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config_get create_mask $1 create_mask
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config_get dir_mask $1 dir_mask
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config_get browseable $1 browseable
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config_get read_only $1 read_only
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config_get writeable $1 writeable
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config_get guest_ok $1 guest_ok
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config_get guest_only $1 guest_only
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config_get inherit_owner $1 inherit_owner
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config_get vfs_objects $1 vfs_objects
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config_get_bool timemachine $1 timemachine 0
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config_get timemachine_maxsize $1 timemachine_maxsize
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config_get_bool force_root $1 force_root 0
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config_get write_list $1 write_list
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config_get read_list $1 read_list
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[ -z "$name" ] || [ -z "$path" ] && return
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{
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printf "\n[$name]\n\tpath = %s\n" "$path"
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if [ "$force_root" -eq 1 ]; then
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printf "\tforce user = root\n"
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printf "\tforce group = root\n"
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else
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[ -n "$users" ] && printf "\tvalid users = %s\n" "$users"
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fi
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[ -n "$create_mask" ] && printf "\tcreate mask = %s\n" "$create_mask"
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[ -n "$dir_mask" ] && printf "\tdirectory mask = %s\n" "$dir_mask"
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[ -n "$browseable" ] && printf "\tbrowseable = %s\n" "$browseable"
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[ -n "$read_only" ] && printf "\tread only = %s\n" "$read_only"
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[ -n "$writeable" ] && printf "\twriteable = %s\n" "$writeable"
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[ -n "$guest_ok" ] && printf "\tguest ok = %s\n" "$guest_ok"
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[ -n "$guest_only" ] && printf "\tguest only = %s\n" "$guest_only"
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[ -n "$inherit_owner" ] && printf "\tinherit owner = %s\n" "$inherit_owner"
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[ -n "$write_list" ] && printf "\twrite list = %s\n" "$write_list"
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[ -n "$read_list" ] && printf "\tread list = %s\n" "$read_list"
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if [ "$MACOS" -eq 1 ]; then
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vfs_objects="catia fruit streams_xattr $vfs_objects"
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printf "\tfruit:encoding = native\n"
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printf "\tfruit:metadata = stream\n"
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printf "\tfruit:veto_appledouble = no\n"
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# avoid mixed shares order for aapl
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if [ "$timemachine" -eq 1 ]; then
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printf "\tfruit:time machine = yes\n"
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[ -n "$timemachine_maxsize" ] && printf "\tfruit:time machine max size = %sG\n" "${timemachine_maxsize}"
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fi
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fi
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[ -n "$vfs_objects" ] && printf "\tvfs objects = %s\n" "$vfs_objects"
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} >> /var/etc/smb.conf
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}
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init_config() {
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# Create samba dirs
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[ -d /var/lib/samba ] || mkdir -m 755 -p /var/lib/samba
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[ -d /var/cache/samba ] || mkdir -m 755 -p /var/cache/samba
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[ -d /var/lock ] || mkdir -m 755 -p /var/lock
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[ -d /var/run/samba ] || mkdir -p /var/run/samba
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[ -d /var/log/samba ] || mkdir -p /var/log/samba
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chmod 0755 /var/lock
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chmod 0755 /var/lib/samba
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chmod 0755 /var/cache/samba
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config_load samba4
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config_foreach smb_header samba
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config_foreach smb_add_share sambashare
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}
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service_triggers() {
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# PROCD_RELOAD_DELAY=1000
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procd_add_reload_trigger "dhcp" "system" "samba4"
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local i
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for i in $SAMBA_IFACE; do
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procd_add_reload_interface_trigger $i
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done
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}
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start_service() {
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init_config
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if [ ! -e /etc/samba/smb.conf ]; then
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logger -p daemon.error -t 'samba4-server' "missing config /etc/samba/smb.conf!"
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exit 1
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fi
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local nice_value
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config_get nice_value extra samba_nice 0
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# start main AD-DC daemon, will spawn (smbd,nmbd,winbindd) as needed/configured.
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if [ "$DISABLE_AD_DC" -ne 1 ] && [ -x /usr/sbin/samba ]; then
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procd_open_instance
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procd_set_param command /usr/sbin/samba -F
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procd_set_param nice $nice_value
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procd_set_param respawn
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procd_set_param file /etc/samba/smb.conf
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procd_set_param limits nofile=16384
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procd_close_instance
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else
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# start fileserver daemon
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procd_open_instance
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procd_set_param command /usr/sbin/smbd -F
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procd_set_param nice $nice_value
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procd_set_param respawn
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procd_set_param file /etc/samba/smb.conf
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procd_set_param limits nofile=16384
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procd_close_instance
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# start netbios daemon
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if [ "$DISABLE_NETBIOS" -ne 1 ] && [ -x /usr/sbin/nmbd ]; then
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procd_open_instance
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procd_set_param command /usr/sbin/nmbd -F
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procd_set_param nice $nice_value
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procd_set_param respawn
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procd_set_param file /etc/samba/smb.conf
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procd_close_instance
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fi
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# start winbind daemon
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if [ "$DISABLE_WINBIND" -ne 1 ] && [ -x /usr/sbin/winbindd ]; then
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procd_open_instance
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procd_set_param command /usr/sbin/winbindd -F
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procd_set_param nice $nice_value
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procd_set_param respawn
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procd_set_param file /etc/samba/smb.conf
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procd_close_instance
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fi
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fi
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}
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