DSM 7 Migration

Key changes from DSM 6 to DSM 7.

Major Changes

• Non-root execution - Packages run as sc-{packagename}
• New filesystem hierarchy - Separate directories for data types
• Web service resource - JSON-based WebStation integration (DSM 7+)

Filesystem Hierarchy

Directory	Purpose	Variable
target/	Package binaries	SYNOPKG_PKGDEST
var/	Persistent data	SYNOPKG_PKGVAR
etc/	Configuration	-
home/	Private storage	-

Deprecated

• start-stop-daemon (busybox)
• su / privilege escalation
• synouser / synogroup
• /usr/local/{package} symlink

New Makefile Variables

SYSTEM_GROUP = http
SPK_USR_LOCAL_LINKS = etc:var/foo lib:libs/bar
SERVICE_WIZARD_SHARENAME = wizard_data_share

Resource File Example

{
  "data-share": {
    "shares": [{
      "name": "sc-mypackage",
      "permission": {"rw": ["sc-mypackage"]}
    }]
  }
}