fix: PUID and PGID as 32 bit unsigned integers

internal/configuration/settings/helpers/copy.go

@@ -44,6 +44,15 @@ func CopyUint16Ptr(original *uint16) (copied *uint16) {
 	return copied
 }
 
+func CopyUint32Ptr(original *uint32) (copied *uint32) {
+	if original == nil {
+		return nil
+	}
+	copied = new(uint32)
+	*copied = *original
+	return copied
+}
+
 func CopyIntPtr(original *int) (copied *int) {
 	if original == nil {
 		return nil

internal/configuration/settings/helpers/default.go

@@ -36,6 +36,15 @@ func DefaultUint16(existing *uint16, defaultValue uint16) (
 	*result = defaultValue
 	return result
 }
+func DefaultUint32(existing *uint32, defaultValue uint32) (
+	result *uint32) {
+	if existing != nil {
+		return existing
+	}
+	result = new(uint32)
+	*result = defaultValue
+	return result
+}
 
 func DefaultBool(existing *bool, defaultValue bool) (
 	result *bool) {

internal/configuration/settings/helpers/merge.go

@@ -78,6 +78,17 @@ func MergeWithUint16(existing, other *uint16) (result *uint16) {
 	return result
 }
 
+func MergeWithUint32(existing, other *uint32) (result *uint32) {
+	if existing != nil {
+		return existing
+	} else if other == nil {
+		return nil
+	}
+	result = new(uint32)
+	*result = *other
+	return result
+}
+
 func MergeWithIP(existing, other net.IP) (result net.IP) {
 	if existing != nil {
 		return existing

internal/configuration/settings/helpers/override.go

@@ -68,6 +68,15 @@ func OverrideWithUint16(existing, other *uint16) (result *uint16) {
 	return result
 }
 
+func OverrideWithUint32(existing, other *uint32) (result *uint32) {
+	if other == nil {
+		return existing
+	}
+	result = new(uint32)
+	*result = *other
+	return result
+}
+
 func OverrideWithIP(existing, other net.IP) (result net.IP) {
 	if other == nil {
 		return existing

internal/configuration/settings/system.go

@@ -7,8 +7,8 @@ import (
 
 // System contains settings to configure system related elements.
 type System struct {
-	PUID     *uint16
-	PGID     *uint16
+	PUID     *uint32
+	PGID     *uint32
 	Timezone string
 }
 
@@ -19,28 +19,28 @@ func (s System) validate() (err error) {
 
 func (s *System) copy() (copied System) {
 	return System{
-		PUID:     helpers.CopyUint16Ptr(s.PUID),
-		PGID:     helpers.CopyUint16Ptr(s.PGID),
+		PUID:     helpers.CopyUint32Ptr(s.PUID),
+		PGID:     helpers.CopyUint32Ptr(s.PGID),
 		Timezone: s.Timezone,
 	}
 }
 
 func (s *System) mergeWith(other System) {
-	s.PUID = helpers.MergeWithUint16(s.PUID, other.PUID)
-	s.PGID = helpers.MergeWithUint16(s.PGID, other.PGID)
+	s.PUID = helpers.MergeWithUint32(s.PUID, other.PUID)
+	s.PGID = helpers.MergeWithUint32(s.PGID, other.PGID)
 	s.Timezone = helpers.MergeWithString(s.Timezone, other.Timezone)
 }
 
 func (s *System) overrideWith(other System) {
-	s.PUID = helpers.OverrideWithUint16(s.PUID, other.PUID)
-	s.PGID = helpers.OverrideWithUint16(s.PGID, other.PGID)
+	s.PUID = helpers.OverrideWithUint32(s.PUID, other.PUID)
+	s.PGID = helpers.OverrideWithUint32(s.PGID, other.PGID)
 	s.Timezone = helpers.OverrideWithString(s.Timezone, other.Timezone)
 }
 
 func (s *System) setDefaults() {
 	const defaultID = 1000
-	s.PUID = helpers.DefaultUint16(s.PUID, defaultID)
-	s.PGID = helpers.DefaultUint16(s.PGID, defaultID)
+	s.PUID = helpers.DefaultUint32(s.PUID, defaultID)
+	s.PGID = helpers.DefaultUint32(s.PGID, defaultID)
 }
 
 func (s System) String() string {