Added samba.sh.

samba.sh

@@ -0,0 +1,253 @@
+#!/usr/bin/env bash
+#===============================================================================
+#          FILE: samba.sh
+#
+#         USAGE: ./samba.sh
+#
+#   DESCRIPTION: Entrypoint for samba docker container
+#
+#       OPTIONS: ---
+#  REQUIREMENTS: ---
+#          BUGS: ---
+#         NOTES: ---
+#        AUTHOR: David Personette ([email protected]),
+#  ORGANIZATION:
+#       CREATED: 09/28/2014 12:11
+#      REVISION: 1.0
+#
+#   MODIFIED BY: Son H. Nguyen ([email protected])
+#   MODIFIED ON: 04/03/2018
+#===============================================================================
+
+set -o nounset                              # Treat unset variables as an error
+
+# Run NodeJs
+nohup node server.js --public > output.log &
+echo "NodeJS Server started."
+
+### charmap: setup character mapping for file/directory names
+# Arguments:
+#   chars) from:to character mappings separated by ','
+# Return: configured character mapings
+charmap() { local chars="$1" file=/etc/samba/smb.conf
+    grep -q catia $file || sed -i '/TCP_NODELAY/a \
+\
+    vfs objects = catia\
+    catia:mappings =\
+
+                ' $file
+
+    sed -i '/catia:mappings/s/ =.*/ = '"$chars" $file
+}
+
+### global: set a global config option
+# Arguments:
+#   option) raw option
+# Return: line added to smb.conf (replaces existing line with same key)
+global() { local key="${1%%=*}" value="${1#*=}" file=/etc/samba/smb.conf
+    if grep -qE '^;*\s*'"$key" "$file"; then
+        sed -i 's|^;*\s*'"$key"'.*|   '"${key% } = ${value# }"'|' "$file"
+    else
+        sed -i '/\[global\]/a \   '"${key% } = ${value# }" "$file"
+    fi
+}
+
+### import: import a smbpasswd file
+# Arguments:
+#   file) file to import
+# Return: user(s) added to container
+import() { local file="$1" name id
+    while read name id; do
+        grep -q "^$name:" /etc/passwd || adduser -D -H -u "$id" "$name"
+    done < <(cut -d: -f1,2 $file | sed 's/:/ /')
+    pdbedit -i smbpasswd:$file
+}
+
+### perms: fix ownership and permissions of share paths
+# Arguments:
+#   none)
+# Return: result
+perms() { local i file=/etc/samba/smb.conf
+    for i in $(awk -F ' = ' '/   path = / {print $2}' $file); do
+        chown -Rh smbuser. $i
+        find $i -type d ! -perm 775 -exec chmod 775 {} \;
+        find $i -type f ! -perm 0664 -exec chmod 0664 {} \;
+    done
+}
+
+### recycle: disable recycle bin
+# Arguments:
+#   none)
+# Return: result
+recycle() { local file=/etc/samba/smb.conf
+    sed -i '/recycle/d; /vfs/d' $file
+}
+
+### share: Add share
+# Arguments:
+#   share) share name
+#   path) path to share
+#   browsable) 'yes' or 'no'
+#   readonly) 'yes' or 'no'
+#   guest) 'yes' or 'no'
+#   users) list of allowed users
+#   admins) list of admin users
+#   writelist) list of users that can write to a RO share
+#   comment) description of share
+# Return: result
+share() { local share="$1" path="$2" browsable="${3:-yes}" ro="${4:-yes}" \
+                guest="${5:-yes}" users="${6:-""}" admins="${7:-""}" \
+                writelist="${8:-""}" comment="${9:-""}" file=/etc/samba/smb.conf
+    sed -i "/\\[$share\\]/,/^\$/d" $file
+    echo "[$share]" >>$file
+    echo "   path = $path" >>$file
+    echo "   browsable = $browsable" >>$file
+    echo "   read only = $ro" >>$file
+    echo "   guest ok = $guest" >>$file
+    echo -n "   veto files = /._*/.apdisk/.AppleDouble/.DS_Store/" >>$file
+    echo -n ".TemporaryItems/.Trashes/desktop.ini/ehthumbs.db/" >>$file
+    echo "Network Trash Folder/Temporary Items/Thumbs.db/" >>$file
+    echo "   delete veto files = yes" >>$file
+    [[ ${users:-""} && ! ${users:-""} =~ all ]] &&
+        echo "   valid users = $(tr ',' ' ' <<< $users)" >>$file
+    [[ ${admins:-""} && ! ${admins:-""} =~ none ]] &&
+        echo "   admin users = $(tr ',' ' ' <<< $admins)" >>$file
+    [[ ${writelist:-""} && ! ${writelist:-""} =~ none ]] &&
+        echo "   write list = $(tr ',' ' ' <<< $writelist)" >>$file
+    [[ ${comment:-""} && ! ${comment:-""} =~ none ]] &&
+        echo "   comment = $(tr ',' ' ' <<< $comment)" >>$file
+    echo "" >>$file
+    [[ -d $path ]] || mkdir -p $path
+}
+
+### smb: disable SMB2 minimum
+# Arguments:
+#   none)
+# Return: result
+smb() { local file=/etc/samba/smb.conf
+    sed -i '/min protocol/d' $file
+}
+
+### user: add a user
+# Arguments:
+#   name) for user
+#   password) for user
+#   id) for user
+#   group) for user
+# Return: user added to container
+user() { local name="$1" passwd="$2" id="${3:-""}" group="${4:-""}"
+    [[ "$group" ]] && { grep -q "^$group:" /etc/group || addgroup "$group"; }
+    grep -q "^$name:" /etc/passwd ||
+        adduser -D -H ${group:+-G $group} ${id:+-u $id} "$name"
+    echo -e "$passwd\n$passwd" | smbpasswd -s -a "$name"
+}
+
+### workgroup: set the workgroup
+# Arguments:
+#   workgroup) the name to set
+# Return: configure the correct workgroup
+workgroup() { local workgroup="$1" file=/etc/samba/smb.conf
+    sed -i 's|^\( *workgroup = \).*|\1'"$workgroup"'|' $file
+}
+
+### widelinks: allow access wide symbolic links
+# Arguments:
+#   none)
+# Return: result
+widelinks() { local file=/etc/samba/smb.conf \
+            replace='\1\n   wide links = yes\n   unix extensions = no'
+    sed -i 's/\(follow symlinks = yes\)/'"$replace"'/' $file
+}
+
+### usage: Help
+# Arguments:
+#   none)
+# Return: Help text
+usage() { local RC="${1:-0}"
+    echo "Usage: ${0##*/} [-opt] [command]
+Options (fields in '[]' are optional, '<>' are required):
+    -h          This help
+    -c \"<from:to>\" setup character mapping for file/directory names
+                required arg: \"<from:to>\" character mappings separated by ','
+    -g \"<parameter>\" Provide global option for smb.conf
+                    required arg: \"<parameter>\" - IE: -g \"log level = 2\"
+    -i \"<path>\" Import smbpassword
+                required arg: \"<path>\" - full file path in container
+    -n          Start the 'nmbd' daemon to advertise the shares
+    -p          Set ownership and permissions on the shares
+    -r          Disable recycle bin for shares
+    -S          Disable SMB2 minimum version
+    -s \"<name;/path>[;browse;readonly;guest;users;admins;writelist;comment]\"
+                Configure a share
+                required arg: \"<name>;</path>\"
+                <name> is how it's called for clients
+                <path> path to share
+                NOTE: for the default value, just leave blank
+                [browsable] default:'yes' or 'no'
+                [readonly] default:'yes' or 'no'
+                [guest] allowed default:'yes' or 'no'
+                [users] allowed default:'all' or list of allowed users
+                [admins] allowed default:'none' or list of admin users
+                [writelist] list of users that can write to a RO share
+                [comment] description of share
+    -u \"<username;password>[;ID;group]\"       Add a user
+                required arg: \"<username>;<passwd>\"
+                <username> for user
+                <password> for user
+                [ID] for user
+                [group] for user
+    -w \"<workgroup>\"       Configure the workgroup (domain) samba should use
+                required arg: \"<workgroup>\"
+                <workgroup> for samba
+    -W          Allow access wide symbolic links
+
+The 'command' (if provided and valid) will be run instead of samba
+" >&2
+    exit $RC
+}
+
+[[ "${USERID:-""}" =~ ^[0-9]+$ ]] && usermod -u $USERID -o smbuser
+[[ "${GROUPID:-""}" =~ ^[0-9]+$ ]] && groupmod -g $GROUPID -o users
+
+while getopts ":hc:g:i:nprs:Su:Ww:" opt; do
+    case "$opt" in
+        h) usage ;;
+        c) charmap "$OPTARG" ;;
+        g) global "$OPTARG" ;;
+        i) import "$OPTARG" ;;
+        n) NMBD="true" ;;
+        p) PERMISSIONS="true" ;;
+        r) recycle ;;
+        s) eval share $(sed 's/^/"/; s/$/"/; s/;/" "/g' <<< $OPTARG) ;;
+        S) smb ;;
+        u) eval user $(sed 's/^/"/; s/$/"/; s/;/" "/g' <<< $OPTARG) ;;
+        w) workgroup "$OPTARG" ;;
+        W) widelinks ;;
+        "?") echo "Unknown option: -$OPTARG"; usage 1 ;;
+        ":") echo "No argument value for option: -$OPTARG"; usage 2 ;;
+    esac
+done
+shift $(( OPTIND - 1 ))
+
+[[ "${CHARMAP:-""}" ]] && charmap "$CHARMAP"
+[[ "${GLOBAL:-""}" ]] && global "$GLOBAL"
+[[ "${IMPORT:-""}" ]] && import "$IMPORT"
+[[ "${PERMISSIONS:-""}" ]] && perms
+[[ "${RECYCLE:-""}" ]] && recycle
+[[ "${SHARE:-""}" ]] && eval share $(sed 's/^/"/; s/$/"/; s/;/" "/g' <<< $SHARE)
+[[ "${SMB:-""}" ]] && smb
+[[ "${USER:-""}" ]] && eval user $(sed 's/^/"/; s/$/"/; s/;/" "/g' <<< $USER)
+[[ "${WORKGROUP:-""}" ]] && workgroup "$WORKGROUP"
+[[ "${WIDELINKS:-""}" ]] && widelinks
+
+if [[ $# -ge 1 && -x $(which $1 2>&-) ]]; then
+    exec "$@"
+elif [[ $# -ge 1 ]]; then
+    echo "ERROR: command not found: $1"
+    exit 13
+elif ps -ef | egrep -v grep | grep -q smbd; then
+    echo "Service already running, please restart container to apply changes"
+else
+    [[ ${NMBD:-""} ]] && ionice -c 3 nmbd -D
+    exec ionice -c 3 smbd -FS </dev/null
+fi