src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemEntity.java

@@ -11,6 +11,7 @@ import lombok.NoArgsConstructor;
 import lombok.Setter;
 import net.hostsharing.hsadminng.hs.booking.project.HsBookingProjectEntity;
 import net.hostsharing.hsadminng.hs.hosting.asset.HsHostingAssetEntity;
+import net.hostsharing.hsadminng.hs.validation.PropertiesProvider;
 import net.hostsharing.hsadminng.mapper.PatchableMapWrapper;
 import net.hostsharing.hsadminng.rbac.rbacdef.RbacView;
 import net.hostsharing.hsadminng.rbac.rbacdef.RbacView.SQL;
@@ -42,6 +43,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.UUID;
 
+import static java.util.Collections.emptyMap;
 import static java.util.Optional.ofNullable;
 import static net.hostsharing.hsadminng.mapper.PostgresDateRange.lowerInclusiveFromPostgresDateRange;
 import static net.hostsharing.hsadminng.mapper.PostgresDateRange.toPostgresDateRange;
@@ -68,7 +70,7 @@ import static net.hostsharing.hsadminng.stringify.Stringify.stringify;
 @Setter
 @NoArgsConstructor
 @AllArgsConstructor
-public class HsBookingItemEntity implements Stringifyable, RbacObject {
+public class HsBookingItemEntity implements Stringifyable, RbacObject, PropertiesProvider {
 
     private static Stringify<HsBookingItemEntity> stringify = stringify(HsBookingItemEntity.class)
             .withProp(HsBookingItemEntity::getProject)
@@ -146,6 +148,23 @@ public class HsBookingItemEntity implements Stringifyable, RbacObject {
         return upperInclusiveFromPostgresDateRange(getValidity());
     }
 
+    @Override
+    public Map<String, Object> directProps() {
+        return resources;
+    }
+
+    @Override
+    public Object getContextValue(final String propName) {
+        final var v = resources.get(propName);
+        if (v!= null) {
+            return v;
+        }
+        if (parentItem!=null) {
+            return parentItem.getResources().get(propName);
+        }
+        return emptyMap();
+    }
+
     @Override
     public String toString() {
         return stringify.apply(this);

src/main/java/net/hostsharing/hsadminng/hs/booking/item/validators/HsBookingItemEntityValidator.java

@@ -29,7 +29,7 @@ public class HsBookingItemEntityValidator extends HsEntityValidator<HsBookingIte
     }
 
     private List<String> validateProperties(final HsBookingItemEntity bookingItem) {
-        return enrich(prefix(bookingItem.toShortString(), "resources"), validateProperties(bookingItem.getResources()));
+        return enrich(prefix(bookingItem.toShortString(), "resources"), super.validateProperties(bookingItem));
     }
 
     private static List<String> optionallyValidate(final HsBookingItemEntity bookingItem) {

src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetEntity.java

@@ -9,6 +9,7 @@ import lombok.NoArgsConstructor;
 import lombok.Setter;
 import net.hostsharing.hsadminng.hs.booking.item.HsBookingItemEntity;
 import net.hostsharing.hsadminng.hs.office.contact.HsOfficeContactEntity;
+import net.hostsharing.hsadminng.hs.validation.PropertiesProvider;
 import net.hostsharing.hsadminng.mapper.PatchableMapWrapper;
 import net.hostsharing.hsadminng.rbac.rbacdef.RbacView;
 import net.hostsharing.hsadminng.rbac.rbacdef.RbacView.SQL;
@@ -39,6 +40,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.UUID;
 
+import static java.util.Collections.emptyMap;
 import static net.hostsharing.hsadminng.rbac.rbacdef.RbacView.Column.dependsOnColumn;
 import static net.hostsharing.hsadminng.rbac.rbacdef.RbacView.ColumnValue.usingDefaultCase;
 import static net.hostsharing.hsadminng.rbac.rbacdef.RbacView.GLOBAL;
@@ -63,7 +65,7 @@ import static net.hostsharing.hsadminng.stringify.Stringify.stringify;
 @Setter
 @NoArgsConstructor
 @AllArgsConstructor
-public class HsHostingAssetEntity implements Stringifyable, RbacObject {
+public class HsHostingAssetEntity implements Stringifyable, RbacObject, PropertiesProvider {
 
     private static Stringify<HsHostingAssetEntity> stringify = stringify(HsHostingAssetEntity.class)
             .withProp(HsHostingAssetEntity::getType)
@@ -122,7 +124,7 @@ public class HsHostingAssetEntity implements Stringifyable, RbacObject {
     private PatchableMapWrapper<Object> configWrapper;
 
     @Transient
-    private boolean isLoaded = false;
+    private boolean isLoaded;
 
     @PostLoad
     public void markAsLoaded() {
@@ -137,6 +139,28 @@ public class HsHostingAssetEntity implements Stringifyable, RbacObject {
         PatchableMapWrapper.of(configWrapper, (newWrapper) -> {configWrapper = newWrapper; }, config).assign(newConfig);
     }
 
+    @Override
+    public Map<String, Object> directProps() {
+        return config;
+    }
+
+    @Override
+    public Object getContextValue(final String propName) {
+        final var v = config.get(propName);
+        if (v!= null) {
+            return v;
+        }
+
+        if (bookingItem!=null) {
+            return bookingItem.getResources().get(propName);
+        }
+        if (parentAsset!=null && parentAsset.getBookingItem()!=null) {
+            return parentAsset.getBookingItem().getResources().get(propName);
+        }
+        return emptyMap();
+    }
+
+
     @Override
     public String toString() {
         return stringify.apply(this);

src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/validators/HsHostingAssetEntityValidator.java

@@ -76,7 +76,7 @@ public abstract class HsHostingAssetEntityValidator extends HsEntityValidator<Hs
     }
 
     private List<String> validateProperties(final HsHostingAssetEntity assetEntity) {
-        return enrich(prefix(assetEntity.toShortString(), "config"), validateProperties(assetEntity.getConfig()));
+        return enrich(prefix(assetEntity.toShortString(), "config"), super.validateProperties(assetEntity));
     }
 
     private static List<String> optionallyValidate(final HsHostingAssetEntity assetEntity) {

src/main/java/net/hostsharing/hsadminng/hs/hosting/asset/validators/HsUnixUserHostingAssetValidator.java

@@ -18,14 +18,14 @@ class HsUnixUserHostingAssetValidator extends HsHostingAssetEntityValidator {
                 AlarmContact.isOptional(),
 
                 integerProperty("SSD hard quota").unit("GB").maxFrom("SSD").optional(),
-                integerProperty("SSD soft quota").unit("GB").minFrom("SSD hard quota").optional(),
+                integerProperty("SSD soft quota").unit("GB").maxFrom("SSD hard quota").optional(),
                 integerProperty("HDD hard quota").unit("GB").maxFrom("HDD").optional(),
-                integerProperty("HDD soft quota").unit("GB").minFrom("HDD hard quota").optional(),
+                integerProperty("HDD soft quota").unit("GB").maxFrom("HDD hard quota").optional(),
                 enumerationProperty("shell")
                         .values("/bin/false", "/bin/bash", "/bin/csh", "/bin/dash", "/usr/bin/tcsh", "/usr/bin/zsh", "/usr/bin/passwd")
                         .withDefault("/bin/false"),
                 stringProperty("homedir").readOnly(),
-                stringProperty("totpKey").matchesRegEx("^0x\\([0-9A-Fa-f][0-9A-Fa-f]\\)+$").minLength(12).maxLength(32).writeOnly().optional(),
+                stringProperty("totpKey").matchesRegEx("^0x([0-9A-Fa-f]{2})+$").minLength(20).maxLength(256).writeOnly().optional(),
                 stringProperty("password").minLength(8).maxLength(40).writeOnly()); // FIXME: spec
     }
 

src/main/java/net/hostsharing/hsadminng/hs/validation/BooleanProperty.java

@@ -29,9 +29,9 @@ public class BooleanProperty extends ValidatableProperty<Boolean> {
     }
 
     @Override
-    protected void validate(final ArrayList<String> result, final Boolean propValue, final Map<String, Object> props) {
+    protected void validate(final ArrayList<String> result, final Boolean propValue, final PropertiesProvider propProvider) {
         if (falseIf != null && propValue) {
-            final Object referencedValue = props.get(falseIf.getKey());
+            final Object referencedValue = propProvider.directProps().get(falseIf.getKey());
             if (Objects.equals(referencedValue, falseIf.getValue())) {
                 result.add(propertyName + "' is expected to be false because " +
                         falseIf.getKey() + "=" + referencedValue + " but is " + propValue);

src/main/java/net/hostsharing/hsadminng/hs/validation/EnumerationProperty.java

@@ -5,7 +5,6 @@ import net.hostsharing.hsadminng.mapper.Array;
 
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Map;
 
 import static java.util.Arrays.stream;
 
@@ -51,7 +50,7 @@ public class EnumerationProperty extends ValidatableProperty<String> {
     }
 
     @Override
-    protected void validate(final ArrayList<String> result, final String propValue, final Map<String, Object> props) {
+    protected void validate(final ArrayList<String> result, final String propValue, final PropertiesProvider propProvider) {
         if (stream(values).noneMatch(v -> v.equals(propValue))) {
             result.add(propertyName + "' is expected to be one of " + Arrays.toString(values) + " but is '" + propValue + "'");
         }

src/main/java/net/hostsharing/hsadminng/hs/validation/HsEntityValidator.java

@@ -38,10 +38,11 @@ public abstract class HsEntityValidator<E> {
                 .toList();
     }
 
-    protected ArrayList<String> validateProperties(final Map<String, Object> properties) {
+    protected ArrayList<String> validateProperties(final PropertiesProvider propsProvider) {
         final var result = new ArrayList<String>();
 
         // verify that all actually given properties are specified
+        final var properties = propsProvider.directProps();
         properties.keySet().forEach( givenPropName -> {
             if (stream(propertyValidators).map(pv -> pv.propertyName).noneMatch(propName -> propName.equals(givenPropName))) {
                 result.add(givenPropName + "' is not expected but is set to '" + properties.get(givenPropName) + "'");
@@ -50,7 +51,7 @@ public abstract class HsEntityValidator<E> {
 
         // run all property validators
         stream(propertyValidators).forEach(pv -> {
-            result.addAll(pv.validate(properties));
+            result.addAll(pv.validate(propsProvider));
         });
 
         return result;

src/main/java/net/hostsharing/hsadminng/hs/validation/IntegerProperty.java

@@ -2,9 +2,9 @@ package net.hostsharing.hsadminng.hs.validation;
 
 import lombok.Setter;
 import net.hostsharing.hsadminng.mapper.Array;
+import org.apache.commons.lang3.Validate;
 
 import java.util.ArrayList;
-import java.util.Map;
 
 @Setter
 public class IntegerProperty extends ValidatableProperty<Integer> {
@@ -29,6 +29,12 @@ public class IntegerProperty extends ValidatableProperty<Integer> {
         super(Integer.class, propertyName, KEY_ORDER);
     }
 
+    @Override
+    public void deferredInit(final ValidatableProperty<?>[] allProperties) {
+        Validate.isTrue(min == null || minFrom == null, "min and minFrom are exclusive, but both are given");
+        Validate.isTrue(max == null || maxFrom == null, "max and maxFrom are exclusive, but both are given");
+    }
+
     public IntegerProperty minFrom(final String propertyName) {
         minFrom = propertyName;
         return this;
@@ -49,20 +55,34 @@ public class IntegerProperty extends ValidatableProperty<Integer> {
     }
 
     @Override
-    protected void validate(final ArrayList<String> result, final Integer propValue, final Map<String, Object> props) {
-        if (min != null && propValue < min) {
-            result.add(propertyName + "' is expected to be >= " + min + " but is " + propValue);
-        }
-        if (max != null && propValue > max) {
-            result.add(propertyName + "' is expected to be <= " + max + " but is " + propValue);
-        }
+    protected void validate(final ArrayList<String> result, final Integer propValue, final PropertiesProvider propProvider) {
+        validateMin(result, propertyName, propValue, min);
+        validateMax(result, propertyName, propValue, max);
         if (step != null && propValue % step != 0) {
             result.add(propertyName + "' is expected to be multiple of " + step + " but is " + propValue);
         }
+        if (minFrom != null) {
+            validateMin(result, propertyName, propValue, propProvider.getContextValue(minFrom, Integer.class));
+        }
+        if (maxFrom != null) {
+            validateMax(result, propertyName, propValue, propProvider.getContextValue(maxFrom, Integer.class, 0));
+        }
     }
 
     @Override
     protected String simpleTypeName() {
         return "integer";
     }
+
+    private static void validateMin(final ArrayList<String> result, final String propertyName, final Integer propValue, final Integer min) {
+        if (min != null && propValue < min) {
+            result.add(propertyName + "' is expected to be at least " + min + " but is " + propValue);
+        }
+    }
+
+    private static void validateMax(final ArrayList<String> result, final String propertyName, final Integer propValue, final Integer max) {
+        if (max != null && propValue > max) {
+            result.add(propertyName + "' is expected to be at most " + max + " but is " + propValue);
+        }
+    }
 }

src/main/java/net/hostsharing/hsadminng/hs/validation/StringProperty.java

@@ -4,7 +4,6 @@ import lombok.Setter;
 import net.hostsharing.hsadminng.mapper.Array;
 
 import java.util.ArrayList;
-import java.util.Map;
 import java.util.regex.Pattern;
 
 
@@ -57,7 +56,7 @@ public class StringProperty extends ValidatableProperty<String> {
     }
 
     @Override
-    protected void validate(final ArrayList<String> result, final String propValue, final Map<String, Object> props) {
+    protected void validate(final ArrayList<String> result, final String propValue, final PropertiesProvider propProvider) {
         if (minLength != null && propValue.length()<minLength) {
             result.add(propertyName + "' length is expected to be at min " + minLength + " but length of '" + propValue+ "' is " + propValue.length());
         }
@@ -67,6 +66,9 @@ public class StringProperty extends ValidatableProperty<String> {
         if (regExPattern != null && !regExPattern.matcher(propValue).matches()) {
             result.add(propertyName + "' is expected to be match " + regExPattern + " but '" + propValue+ "' does not match");
         }
+        if (readOnly && propValue != null) {
+            result.add(propertyName + "' is readonly but given as '" + propValue+ "'");
+        }
     }
 
     @Override

src/main/java/net/hostsharing/hsadminng/hs/validation/ValidatableProperty.java

@@ -116,8 +116,9 @@ public abstract class ValidatableProperty<T> {
         return this;
     }
 
-    public final List<String> validate(final Map<String, Object> props) {
+    public final List<String> validate(final PropertiesProvider propsProvider) {
         final var result = new ArrayList<String>();
+        final var props = propsProvider.directProps();
         final var propValue = props.get(propertyName);
         if (propValue == null) {
             if (required) {
@@ -127,7 +128,7 @@ public abstract class ValidatableProperty<T> {
         if (propValue != null){
             if ( type.isInstance(propValue)) {
                 //noinspection unchecked
-                validate(result, (T) propValue, props);
+                validate(result, (T) propValue, propsProvider);
             } else {
                 result.add(propertyName + "' is expected to be of type " + type + ", " +
                         "but is of type '" + propValue.getClass().getSimpleName() + "'");
@@ -136,7 +137,7 @@ public abstract class ValidatableProperty<T> {
         return result;
     }
 
-    protected abstract void validate(final ArrayList<String> result, final T propValue, final Map<String, Object> props);
+    protected abstract void validate(final ArrayList<String> result, final T propValue, final PropertiesProvider propProvider);
 
     public void verifyConsistency(final Map.Entry<? extends Enum<?>, ?> typeDef) {
         if (required == null ) {

src/main/java/net/hostsharing/hsadminng/mapper/Array.java

@@ -1,5 +1,6 @@
 package net.hostsharing.hsadminng.mapper;
 
+
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -43,4 +44,8 @@ public class Array {
                 .toArray(String[]::new);
         return joined;
     }
+
+    public static <T> T[] emptyArray() {
+        return of();
+    }
 }

src/test/java/net/hostsharing/hsadminng/hs/booking/item/TestHsBookingItem.java

@@ -37,7 +37,7 @@ public class TestHsBookingItem {
             .type(HsBookingItemType.MANAGED_WEBSPACE)
             .caption("test managed webspace item")
             .resources(Map.ofEntries(
-                    entry("SSD", 25),
+                    entry("SSD", 50),
                     entry("Traffic", 250)
             ))
             .validity(Range.closedInfinite(LocalDate.of(2020, 1, 15)))

src/test/java/net/hostsharing/hsadminng/hs/hosting/asset/HsHostingAssetControllerAcceptanceTest.java

@@ -292,8 +292,8 @@ class HsHostingAssetControllerAcceptanceTest extends ContextBasedTestWithCleanup
                                     "statusPhrase": "Bad Request",
                                     "message": "[
                                               <<<'MANAGED_SERVER:vm1400.config.extra' is not expected but is set to '42',
-                                              <<<'MANAGED_SERVER:vm1400.config.monit_max_cpu_usage' is expected to be <= 100 but is 101,
-                                              <<<'MANAGED_SERVER:vm1400.config.monit_max_ssd_usage' is expected to be >= 10 but is 0
+                                              <<<'MANAGED_SERVER:vm1400.config.monit_max_cpu_usage' is expected to be at most 100 but is 101,
+                                              <<<'MANAGED_SERVER:vm1400.config.monit_max_ssd_usage' is expected to be at least 10 but is 0
                                               <<<]"
                                 }
                                 """.replaceAll(" +<<<", "")));  // @formatter:on

src/test/java/net/hostsharing/hsadminng/hs/hosting/asset/validators/HsManagedServerHostingAssetValidatorUnitTest.java

@@ -37,8 +37,8 @@ class HsManagedServerHostingAssetValidatorUnitTest {
         assertThat(result).containsExactlyInAnyOrder(
                 "'MANAGED_SERVER:vm1234.parentAsset' must be null but is set to D-???????-?:null",
                 "'MANAGED_SERVER:vm1234.assignedToAsset' must be null but is set to D-???????-?:null",
-                "'MANAGED_SERVER:vm1234.config.monit_max_cpu_usage' is expected to be >= 10 but is 2",
-                "'MANAGED_SERVER:vm1234.config.monit_max_ram_usage' is expected to be <= 100 but is 101",
+                "'MANAGED_SERVER:vm1234.config.monit_max_cpu_usage' is expected to be at least 10 but is 2",
+                "'MANAGED_SERVER:vm1234.config.monit_max_ram_usage' is expected to be at most 100 but is 101",
                 "'MANAGED_SERVER:vm1234.config.monit_max_hdd_usage' is expected to be of type class java.lang.Integer, but is of type 'String'");
     }
 

src/test/java/net/hostsharing/hsadminng/hs/hosting/asset/validators/HsUnixUserHostingAssetValidatorUnitTest.java

@@ -36,6 +36,12 @@ class HsUnixUserHostingAssetValidatorUnitTest {
                 .parentAsset(TEST_MANAGED_WEBSPACE_HOSTING_ASSET)
                 .identifier("abc00-temp")
                 .caption("some valid test UnixUser")
+                .config(Map.ofEntries(
+                        entry("SSD hard quota", 50),
+                        entry("SSD soft quota", 40),
+                        entry("totpKey", "0x123456789abcdef01234"),
+                        entry("password", "Hallo Computer, lass mich rein!")
+                ))
                 .build();
         final var validator = HsHostingAssetEntityValidatorRegistry.forType(unixUserHostingAsset.getType());
 
@@ -55,13 +61,14 @@ class HsUnixUserHostingAssetValidatorUnitTest {
                 .identifier("abc00-temp")
                 .caption("some test UnixUser with invalid properties")
                 .config(Map.ofEntries(
-                        entry("SSD hard quota", 1000),
-                        entry("SSD soft quota", 2000),
-                        entry("HDD hard quota", 1000),
-                        entry("HDD soft quota", 2000),
+                        entry("SSD hard quota", 100),
+                        entry("SSD soft quota", 200),
+                        entry("HDD hard quota", 100),
+                        entry("HDD soft quota", 200),
+                        entry("shell", "/is/invalid"),
                         entry("homedir", "/is/read-only"),
                         entry("totpKey", "should be a hex number"),
-                        entry("password", "should be a hex number")
+                        entry("password", "short")
                 ))
                 .build();
         final var validator = HsHostingAssetEntityValidatorRegistry.forType(unixUserHostingAsset.getType());
@@ -70,7 +77,16 @@ class HsUnixUserHostingAssetValidatorUnitTest {
         final var result = validator.validate(unixUserHostingAsset);
 
         // then
-        assertThat(result).isEmpty();
+        assertThat(result).containsExactlyInAnyOrder(
+                "'UNIX_USER:abc00-temp.config.SSD hard quota' is expected to be at most 50 but is 100",
+                "'UNIX_USER:abc00-temp.config.SSD soft quota' is expected to be at most 100 but is 200",
+                "'UNIX_USER:abc00-temp.config.HDD hard quota' is expected to be at most 0 but is 100",
+                "'UNIX_USER:abc00-temp.config.HDD soft quota' is expected to be at most 100 but is 200",
+                "'UNIX_USER:abc00-temp.config.shell' is expected to be one of [/bin/false, /bin/bash, /bin/csh, /bin/dash, /usr/bin/tcsh, /usr/bin/zsh, /usr/bin/passwd] but is '/is/invalid'",
+                "'UNIX_USER:abc00-temp.config.homedir' is readonly but given as '/is/read-only'",
+                "'UNIX_USER:abc00-temp.config.totpKey' is expected to be match ^0x([0-9A-Fa-f]{2})+$ but 'should be a hex number' does not match",
+                "'UNIX_USER:abc00-temp.config.password' length is expected to be at min 8 but length of 'short' is 5"
+        );
     }
 
     @Test