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feat: Allow to set an user/group for the shared folder
This commit is contained in:
Kroese
GitHub
parent
0b9bc5d3fe
commit
d7c9f73515
152
src/samba.sh
152
src/samba.sh
@ -1,11 +1,11 @@
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#!/usr/bin/env bash
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set -Eeuo pipefail
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: "${SAMBA:="Y"}" # Enable Samba
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: "${SAMBA_LEVEL:="1"}" # Logging level
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: "${SAMBA_DEBUG:="N"}" # Disable debug
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: "${SAMBA_UID:="1000"}" # Samba user id
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: "${SAMBA_GID:="1000"}" # Samba group id
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: "${SAMBA:="Y"}" # Enable Samba
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: "${SAMBA_LEVEL:="1"}" # Logging level
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: "${SAMBA_DEBUG:="N"}" # Disable debug
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: "${SAMBA_UID:="1000"}" # Samba user ID
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: "${SAMBA_GID:="1000"}" # Samba group ID
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tmp="/tmp/smb"
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rm -rf "$tmp"
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@ -46,15 +46,16 @@ addShare() {
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local comment="$4"
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local user="$5"
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local group="$6"
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local cfg="$7"
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mkdir -p "$dir" || return 1
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if ! ls -A "$dir" >/dev/null 2>&1; then
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error "Failed to access directory $dir" && return 1
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fi
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if [ -z "$(ls -A "$dir")" ]; then
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if ! chmod 777 "$dir"; then
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error "Failed to set permissions for directory $dir" && return 1
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fi
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@ -99,71 +100,83 @@ addShare() {
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echo " guest only = yes"
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echo " force user = $user"
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echo " force group = $group"
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} >> "/etc/samba/smb.conf"
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} >> "$cfg"
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return 0
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}
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addUser() {
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local username="$2"
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local uid="$3"
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local groupname="$4"
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local gid="$5"
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# Check if the group exists, if not, create it
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if ! getent group "$groupname" &>/dev/null; then
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if ! groupadd -o -g "$gid" "$groupname" > /dev/null; then
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error "Failed to create group $groupname" && return 1
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fi
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else
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# Check if the gid is right, if not, change it
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local current_gid
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current_gid=$(getent group "$groupname" | cut -d: -f3)
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if [[ "$current_gid" != "$gid" ]]; then
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if ! groupmod -o -g "$gid" "$groupname" > /dev/null; then
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error "Failed to update GID for group $groupname" && return 1
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fi
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fi
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local username="$1"
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local uid="$2"
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local groupname="$3"
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local gid="$4"
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local password="$1"
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local cfg="$5"
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# Check if the group exists, if not, create it
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if ! getent group "$groupname" &>/dev/null; then
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if ! groupadd -o -g "$gid" "$groupname" > /dev/null; then
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error "Failed to create group $groupname" && return 1
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fi
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else
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# Check if the gid is right, if not, change it
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local current_gid
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current_gid=$(getent group "$groupname" | cut -d: -f3)
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if [[ "$current_gid" != "$gid" ]]; then
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if ! groupmod -o -g "$gid" "$groupname" > /dev/null; then
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error "Failed to update GID for group $groupname" && return 1
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fi
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fi
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fi
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# Check if the user already exists, if not, create it
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if ! id "$username" &>/dev/null; then
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if ! adduser --gid "$gid" --uid "$uid" --comment "$username" --no-create-home --disabled-login "$username"; then
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error "Failed to create user $username" && return 1
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fi
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else
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# Check if the uid is right, if not, change it
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local current_uid
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current_uid=$(id -u "$username")
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if [[ "$current_uid" != "$uid" ]]; then
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if ! usermod -o -u "$uid" "$username" > /dev/null; then
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error "Failed to update UID for user $username" && return 1
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fi
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fi
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# Check if the user already exists, if not, create it
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if ! id "$username" &>/dev/null; then
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if ! adduser -S -D -s /sbin/nologin -G "$groupname" -u "$uid" -g "Samba User" "$username"; then
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error "Failed to create user $username" && return 1
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fi
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else
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# Check if the uid is right, if not, change it
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local current_uid
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current_uid=$(id -u "$username")
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if [[ "$current_uid" != "$uid" ]]; then
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if ! usermod -o -u "$uid" "$username" > /dev/null; then
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error "Failed to update UID for user $username" && return 1
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fi
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fi
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# Update user's group
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if ! usermod -g "$groupname" "$username" > /dev/null; then
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echo "Failed to update group for user $username" && return 1
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fi
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# Update user's group
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if ! usermod -g "$groupname" "$username" > /dev/null; then
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echo "Failed to update group for user $username" && return 1
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fi
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fi
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return 0
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# Check if the user is a samba user
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pdb_output=$(pdbedit -s "$cfg" -L)
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if echo "$pdb_output" | grep -q "^$username:"; then
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# skip samba password update if password is * or !
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if [[ "$password" != "*" && "$password" != "!" ]]; then
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# If the user is a samba user, update its password in case it changed
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if ! echo -e "$password\n$password" | smbpasswd -c "$cfg" -s "$username" > /dev/null; then
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error "Failed to update Samba password for $username" && return 1
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fi
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fi
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else
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# If the user is not a samba user, create it and set a password
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if ! echo -e "$password\n$password" | smbpasswd -a -c "$cfg" -s "$username" > /dev/null; then
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error "Failed to add Samba user $username" && return 1
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fi
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fi
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return 0
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}
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SAMBA_USER="root"
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SAMBA_GROUP="root"
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SAMBA_CONFIG="/etc/samba/smb.conf"
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# Setup user and group
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if [[ "$SAMBA_UID" != "1000" || "$SAMBA_GID" != "1000" ]]; then
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SAMBA_USER="samba"
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SAMBA_GROUP="samba"
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! addUser "$SAMBA_USER" "$SAMBA_UID" "$SAMBA_GROUP" "$SAMBA_GID" && return 0
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fi
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{ echo "[global]"
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{ echo "[global]"
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echo " server string = Dockur"
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echo " netbios name = $hostname"
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echo " workgroup = WORKGROUP"
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@ -183,8 +196,19 @@ fi
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echo " printing = bsd"
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echo " printcap name = /dev/null"
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echo " disable spoolss = yes"
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} > "/etc/samba/smb.conf"
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} > "$SAMBA_CONFIG"
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# Setup user and group
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if [[ "$SAMBA_UID" != "1000" || "$SAMBA_GID" != "1000" ]]; then
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SAMBA_USER="samba"
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SAMBA_GROUP="samba"
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! addUser "$SAMBA_USER" "$SAMBA_UID" "$SAMBA_GROUP" "$SAMBA_GID" "$SAMBA_CONFIG" && return 0
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fi
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# Add shared folders
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share="/shared"
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[ ! -d "$share" ] && [ -d "$STORAGE/shared" ] && share="$STORAGE/shared"
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[ ! -d "$share" ] && [ -d "/data" ] && share="/data"
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@ -194,23 +218,23 @@ share="/shared"
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m1="Failed to add shared folder"
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m2="Please check its permissions."
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if ! addShare "$share" "/shared" "Data" "Shared" "$SAMBA_USER" "$SAMBA_GROUP"; then
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if ! addShare "$share" "/shared" "Data" "Shared" "$SAMBA_USER" "$SAMBA_GROUP" "$SAMBA_CONFIG"; then
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error "$m1 '$share'. $m2" && return 0
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fi
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if [ -d "/shared2" ]; then
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addShare "/shared2" "/shared2" "Data2" "Shared" "$SAMBA_USER" "$SAMBA_GROUP" || error "$m1 '/shared2'. $m2"
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addShare "/shared2" "/shared2" "Data2" "Shared" "$SAMBA_USER" "$SAMBA_GROUP" "$SAMBA_CONFIG" || error "$m1 '/shared2'. $m2"
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else
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if [ -d "/data2" ]; then
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addShare "/data2" "/shared2" "Data2" "Shared" "$SAMBA_USER" "$SAMBA_GROUP" || error "$m1 '/data2'. $m2."
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addShare "/data2" "/shared2" "Data2" "Shared" "$SAMBA_USER" "$SAMBA_GROUP" "$SAMBA_CONFIG" || error "$m1 '/data2'. $m2."
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fi
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fi
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if [ -d "/shared3" ]; then
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addShare "/shared3" "/shared3" "Data3" "Shared" "$SAMBA_USER" "$SAMBA_GROUP" || error "$m1 '/shared3'. $m2"
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addShare "/shared3" "/shared3" "Data3" "Shared" "$SAMBA_USER" "$SAMBA_GROUP" "$SAMBA_CONFIG" || error "$m1 '/shared3'. $m2"
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else
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if [ -d "/data3" ]; then
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addShare "/data3" "/shared3" "Data3" "Shared" "$SAMBA_USER" "$SAMBA_GROUP" || error "$m1 '/data3'. $m2"
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addShare "/data3" "/shared3" "Data3" "Shared" "$SAMBA_USER" "$SAMBA_GROUP" "$SAMBA_CONFIG" || error "$m1 '/data3'. $m2"
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fi
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fi
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