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entrypoint.sh
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#!/bin/sh
export IFS=$'\n'
cat <<EOF
################################################################################
Welcome to the servercontainers/samba
################################################################################
EOF
INITALIZED="/.initialized"
if [ ! -f "$INITALIZED" ]; then
echo ">> CONTAINER: starting initialisation"
cp /container/config/samba/smb.conf /etc/samba/smb.conf
cp /container/config/avahi/samba.service /etc/avahi/services/samba.service
##
# MAIN CONFIGURATION
##
if [ -z ${SAMBA_CONF_LOG_LEVEL+x} ]
then
SAMBA_CONF_LOG_LEVEL="1"
echo ">> SAMBA CONFIG: no \$SAMBA_CONF_LOG_LEVEL set, using '$SAMBA_CONF_LOG_LEVEL'"
fi
echo ' log level = '"$SAMBA_CONF_LOG_LEVEL" >> /etc/samba/smb.conf
if [ -z ${SAMBA_CONF_WORKGROUP+x} ]
then
SAMBA_CONF_WORKGROUP="WORKGROUP"
echo ">> SAMBA CONFIG: no \$SAMBA_CONF_WORKGROUP set, using '$SAMBA_CONF_WORKGROUP'"
fi
echo ' workgroup = '"$SAMBA_CONF_WORKGROUP" >> /etc/samba/smb.conf
if [ -z ${SAMBA_CONF_SERVER_STRING+x} ]
then
SAMBA_CONF_SERVER_STRING="Samba Server"
echo ">> SAMBA CONFIG: no \$SAMBA_CONF_SERVER_STRING set, using '$SAMBA_CONF_SERVER_STRING'"
fi
echo ' server string = '"$SAMBA_CONF_SERVER_STRING" >> /etc/samba/smb.conf
if [ -z ${SAMBA_CONF_MAP_TO_GUEST+x} ]
then
SAMBA_CONF_MAP_TO_GUEST="Bad User"
echo ">> SAMBA CONFIG: no \$SAMBA_CONF_MAP_TO_GUEST set, using '$SAMBA_CONF_MAP_TO_GUEST'"
fi
echo ' map to guest = '"$SAMBA_CONF_MAP_TO_GUEST" >> /etc/samba/smb.conf
##
# GLOBAL CONFIGURATION
##
echo "$SAMBA_GLOBAL_STANZA" | sed 's/;/\n /g' | grep . >> /etc/samba/smb.conf
for I_CONF in $(env | grep '^SAMBA_GLOBAL_CONFIG_')
do
CONF_KEY_VALUE=$(echo "$I_CONF" | sed 's/^SAMBA_GLOBAL_CONFIG_//g' | sed 's/=.*//g' | sed 's/_SPACE_/ /g')
CONF_CONF_VALUE=$(echo "$I_CONF" | sed 's/^[^=]*=//g')
echo ">> global config - adding: '$CONF_KEY_VALUE' = '$CONF_CONF_VALUE' to /etc/samba/smb.conf"
echo ' '"$CONF_KEY_VALUE"' = '"$CONF_CONF_VALUE" >> /etc/samba/smb.conf
done
##
# GROUPS
##
for I_CONF in $(env | grep '^GROUP_')
do
GROUP_NAME=$(echo "$I_CONF" | sed 's/^GROUP_//g' | sed 's/=.*//g')
GROUP_ID=$(echo "$I_CONF" | sed 's/^[^=]*=//g')
echo ">> GROUP: adding group $GROUP_NAME with GID: $GROUP_ID"
groupadd -g "$GROUP_ID" "$GROUP_NAME"
done
##
# USER ACCOUNTS
##
for I_ACCOUNT in $(env | grep '^ACCOUNT_')
do
ACCOUNT_NAME=$(echo "$I_ACCOUNT" | cut -d'=' -f1 | sed 's/ACCOUNT_//g' | tr '[:upper:]' '[:lower:]')
ACCOUNT_PASSWORD=$(echo "$I_ACCOUNT" | sed 's/^[^=]*=//g')
ACCOUNT_UID=$(env | grep '^UID_'"$ACCOUNT_NAME" | sed 's/^[^=]*=//g')
if [ "$ACCOUNT_UID" -gt 0 ] 2>/dev/null
then
echo ">> ACCOUNT: adding account: $ACCOUNT_NAME with UID: $ACCOUNT_UID"
useradd -u "$ACCOUNT_UID" -s /bin/false "$ACCOUNT_NAME"
else
echo ">> ACCOUNT: adding account: $ACCOUNT_NAME"
useradd -s /bin/false "$ACCOUNT_NAME"
fi
smbpasswd -a -n "$ACCOUNT_NAME"
if echo "$ACCOUNT_PASSWORD" | grep ':$' | grep '^'"$ACCOUNT_NAME"':[0-9]*:' >/dev/null 2>/dev/null
then
echo ">> ACCOUNT: found SMB Password HASH instead of plain-text password"
CLEAN_HASH=$(echo "$ACCOUNT_PASSWORD" | sed 's/^.*:[0-9]*://g')
sed -i 's/\('"$ACCOUNT_NAME"':[0-9]*:\).*/\1'"$CLEAN_HASH"'/g' /var/lib/samba/private/smbpasswd
else
echo -e "$ACCOUNT_PASSWORD\n$ACCOUNT_PASSWORD" | passwd "$ACCOUNT_NAME"
echo -e "$ACCOUNT_PASSWORD\n$ACCOUNT_PASSWORD" | smbpasswd "$ACCOUNT_NAME"
fi
smbpasswd -e "$ACCOUNT_NAME"
# add user to groups...
ACCOUNT_GROUPS=$(env | grep '^GROUPS_'"$ACCOUNT_NAME" | sed 's/^[^=]*=//g')
for GRP in $(echo "$ACCOUNT_GROUPS" | tr ',' '\n' | grep .); do
echo ">> ACCOUNT: adding account: $ACCOUNT_NAME to group: $GRP"
usermod -aG "$GRP" "$ACCOUNT_NAME"
done
unset $(echo "$I_ACCOUNT" | cut -d'=' -f1)
done
echo '' >> /etc/samba/smb.conf
##
# Samba Volume Config ENVs
##
for I_CONF in $(env | grep '^SAMBA_VOLUME_CONFIG_')
do
CONF_CONF_VALUE=$(echo "$I_CONF" | sed 's/^[^=]*=//g')
VOL_NAME=$(echo "$CONF_CONF_VALUE" | sed 's/.*\[\(.*\)\].*/\1/g')
VOL_PATH=$(echo "$CONF_CONF_VALUE" | tr ';' '\n' | grep path | sed 's/.*= *//g')
echo ">> VOLUME: adding volume: $VOL_NAME (path=$VOL_PATH)"
# if time machine volume
if echo "$CONF_CONF_VALUE" | sed 's/;/\n/g' | grep 'fruit:time machine' | grep yes 2>/dev/null >/dev/null;
then
# remove </service-group> only if this is the first time a timemachine volume was added
grep '<txt-record>dk' /etc/avahi/services/samba.service 2> /dev/null >/dev/null || sed -i '/<\/service-group>/d' /etc/avahi/services/samba.service
echo " >> TIMEMACHINE: adding volume to zeroconf: $VOL_NAME"
[ -z ${MODEL+x} ] && MODEL="TimeCapsule"
sed -i 's/TimeCapsule/'"$MODEL"'/g' /etc/samba/smb.conf
if ! grep '<txt-record>model=' /etc/avahi/services/samba.service 2> /dev/null >/dev/null;
then
echo " >> TIMEMACHINE: zeroconf model: $MODEL"
echo '
<service>
<type>_device-info._tcp</type>
<port>0</port>
<txt-record>model='"$MODEL"'</txt-record>
</service>' >> /etc/avahi/services/samba.service
fi
if ! echo "$VOL_PATH" | grep '%U$' 2>/dev/null >/dev/null; then
echo " >> TIMEMACHINE: fix permissions (only last one wins.. for multiple users I recommend using multi user mode - see README.md)"
VALID_USERS=$(echo "$CONF_CONF_VALUE" | tr ';' '\n' | grep 'valid users' | sed 's/.*= *//g')
for user in $VALID_USERS; do
echo " user: $user"
chown $user.$user -R "$VOL_PATH"
done
chmod 700 -R "$VOL_PATH"
fi
[ ! -z ${NUMBER+x} ] && NUMBER=$(expr $NUMBER + 1)
[ -z ${NUMBER+x} ] && NUMBER=0
if ! grep '<txt-record>dk' /etc/avahi/services/samba.service 2> /dev/null >/dev/null;
then
# for first time add complete service
echo '
<service>
<type>_adisk._tcp</type>
<txt-record>sys=waMa=0,adVF=0x100</txt-record>
<txt-record>dk'"$NUMBER"'=adVN='"$VOL_NAME"',adVF=0x82</txt-record>
</service>
</service-group>' >> /etc/avahi/services/samba.service
else
# from the second one only append new txt-record
REPLACE_ME=$(grep '<txt-record>dk' /etc/avahi/services/samba.service | tail -n 1)
sed -i 's;'"$REPLACE_ME"';'"$REPLACE_ME"'\n <txt-record>dk'"$NUMBER"'=adVN='"$VOL_NAME"',adVF=0x82</txt-record>;g' /etc/avahi/services/samba.service
fi
fi
echo "$CONF_CONF_VALUE" | sed 's/;/\n/g' >> /etc/samba/smb.conf
if echo "$CONF_CONF_VALUE" | sed 's/;/\n/g' | grep 'fruit:time machine' | grep yes 2>/dev/null >/dev/null;
then
echo " >> TIMEMACHINE: adding samba timemachine specifics to volume config: $VOL_NAME ($VOL_PATH)"
echo ' fruit:metadata = stream
durable handles = yes
kernel oplocks = no
kernel share modes = no
posix locking = no
vfs objects = catia fruit streams_xattr
ea support = yes
inherit acls = yes
' >> /etc/samba/smb.conf
fi
if echo "$VOL_PATH" | grep '%U$' 2>/dev/null >/dev/null;
then
VOL_PATH_BASE=$(echo "$VOL_PATH" | sed 's,/%U$,,g')
echo " >> multiuser volume - $VOL_PATH"
echo ' root preexec = /container/scripts/samba_create_user_dir.sh '"$VOL_PATH_BASE"' %U' >> /etc/samba/smb.conf
fi
echo "" >> /etc/samba/smb.conf
done
[ ! -z ${AVAHI_NAME+x} ] && echo ">> ZEROCONF: custom avahi samba.service name: $AVAHI_NAME" && sed -i 's/%h/'"$AVAHI_NAME"'/g' /etc/avahi/services/samba.service
echo ">> ZEROCONF: samba.service file"
echo "############################### START ####################################"
cat /etc/avahi/services/samba.service
echo "################################ END #####################################"
[ ! -z ${WSDD2_PARAMETERS+x} ] && echo ">> WSDD2: custom parameters for wsdd2 daemon: wsdd2 $WSDD2_PARAMETERS" && sed -i 's/wsdd2/wsdd2 '"$WSDD2_PARAMETERS"'/g' /container/config/runit/wsdd2/run
[ ! -z ${WSDD2_DISABLE+x} ] && echo ">> WSDD2 - DISABLED" && rm -rf /container/config/runit/wsdd2
[ ! -z ${AVAHI_DISABLE+x} ] && echo ">> AVAHI - DISABLED" && rm -rf /container/config/runit/avahi
if [ -z ${AVAHI_DISABLE+x} ] && [ ! -f "/external/avahi/not-mounted" ]
then
echo ">> EXTERNAL AVAHI: found external avahi, now maintaining avahi service file 'samba.service'"
echo ">> EXTERNAL AVAHI: internal avahi gets disabled"
rm -rf /container/config/runit/avahi
cp /etc/avahi/services/samba.service /external/avahi/samba.service
chmod a+rw /external/avahi/samba.service
echo ">> EXTERNAL AVAHI: list of services"
ls -l /external/avahi/*.service
fi
touch "$INITALIZED"
else
echo ">> CONTAINER: already initialized - direct start of samba"
fi
##
# CMD
##
echo ">> CMD: exec docker CMD"
echo "$@"
exec "$@"