mirror of
https://github.com/NationalSecurityAgency/ghidra.git
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GP-5037 Improved PDB composite reconstruction. Adding support for alignment padding injection.
This commit is contained in:
ghidra1
parent
3809a7695d
commit
d3d298373c
@ -4,9 +4,9 @@
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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@ -84,7 +84,7 @@ public class BitFieldGroupCompositeMember extends CompositeMember {
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if (list.isEmpty()) {
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return 0;
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}
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return list.get(0).getLength();
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return list.get(0).getLength(); // length is base-datatype-length
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}
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@Override
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@ -136,6 +136,7 @@ public class BitFieldGroupCompositeMember extends CompositeMember {
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if (!member.isSingleBitFieldMember()) {
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throw new IllegalArgumentException("expected single bit-field member");
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}
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// Check verifies that bitfield base-datatype-length is the same as the group
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if (!list.isEmpty() &&
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(member.getOffset() != getOffset() || member.getLength() != getLength())) {
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throw new IllegalArgumentException(
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@ -4,9 +4,9 @@
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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@ -16,6 +16,7 @@
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package ghidra.app.util.bin.format.pdb;
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import java.util.*;
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import java.util.Map.Entry;
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import java.util.function.Consumer;
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import ghidra.program.model.data.*;
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@ -39,6 +40,8 @@ public class DefaultCompositeMember extends CompositeMember {
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private static int MAX_CONSTRUCTION_DEPTH = 20;
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private static final String PADDING_COMPONENT_NAME = "_padding_";
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private DataTypeManager dataTypeManager;
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private Consumer<String> errorConsumer;
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@ -58,8 +61,10 @@ public class DefaultCompositeMember extends CompositeMember {
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private BitFieldGroupCompositeMember bitFieldGroup;
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// Structure container data
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private Map<Integer, CompositeMember> structureMemberOffsetMap;
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private TreeMap<Integer, CompositeMember> structureMemberOffsetMap;
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private RangeMap structureMemberRangeMap;
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private int largestPrimitiveSize;
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private boolean hasPadding = false;
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// Union container data
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private List<CompositeMember> unionMemberList;
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@ -135,6 +140,8 @@ public class DefaultCompositeMember extends CompositeMember {
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dataTypeManager = member.dataTypeManager;
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structureMemberOffsetMap = member.structureMemberOffsetMap;
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structureMemberRangeMap = member.structureMemberRangeMap;
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// allow padding size to use pointer-size and smaller by default
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largestPrimitiveSize = member.dataTypeManager.getDataOrganization().getPointerSize();
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unionMemberList = member.unionMemberList;
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}
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@ -148,7 +155,7 @@ public class DefaultCompositeMember extends CompositeMember {
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*/
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private DefaultCompositeMember(int componentOffset, DataType baseDataType, int bitSize,
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int bitOffsetWithinBaseType) throws InvalidDataTypeException {
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memberName = "padding";
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memberName = PADDING_COMPONENT_NAME;
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memberDataType = new PdbBitField(baseDataType, bitSize, bitOffsetWithinBaseType);
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memberIsZeroLengthArray = false;
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memberOffset = componentOffset;
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@ -314,6 +321,8 @@ public class DefaultCompositeMember extends CompositeMember {
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*/
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private void alignComposite(int preferredSize) {
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Composite composite = (Composite) memberDataType;
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// don't attempt to align empty composite - don't complain
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if (isStructureContainer()) {
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if (structureMemberOffsetMap.isEmpty()) {
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@ -324,7 +333,6 @@ public class DefaultCompositeMember extends CompositeMember {
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return;
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}
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Composite composite = (Composite) memberDataType;
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Composite copy = (Composite) composite.copy(dataTypeManager);
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int pack = 0;
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@ -333,20 +341,34 @@ public class DefaultCompositeMember extends CompositeMember {
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boolean alignOK = isGoodAlignment(copy, preferredSize);
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if (alignOK) {
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composite.setToDefaultPacking();
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if (hasPadding) {
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removeUnnecessaryPadding(composite);
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}
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}
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else {
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copy.setToMachineAligned();
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alignOK = isGoodAlignment(copy, preferredSize);
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if (alignOK) {
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composite.setToDefaultPacking();
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composite.setToMachineAligned();
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}
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else {
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pack = 1;
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copy.setExplicitPackingValue(pack);
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if (preferredSize > 0 && copy.getLength() != preferredSize) {
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copy.setToMachineAligned(); // will only impact structure length
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alignOK = isGoodAlignment(copy, preferredSize);
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if (alignOK) {
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composite.setExplicitPackingValue(pack);
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composite.setToDefaultPacking();
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composite.setToMachineAligned();
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if (hasPadding) {
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removeUnnecessaryPadding(composite);
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}
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}
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else {
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copy.setToDefaultAligned(); // restore default alignment
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}
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}
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if (!alignOK) {
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removeAllPadding(composite); // includes bit-field padding
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if (!hasPadding) {
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pack = 1;
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copy.setExplicitPackingValue(pack);
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alignOK = isGoodAlignment(copy, preferredSize);
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if (alignOK) {
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composite.setExplicitPackingValue(pack);
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}
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}
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}
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}
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@ -357,6 +379,64 @@ public class DefaultCompositeMember extends CompositeMember {
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}
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}
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private void removeUnnecessaryPadding(Composite packedComposite) {
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if (!packedComposite.isPackingEnabled()) {
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throw new IllegalArgumentException("composite must have packing enabled");
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}
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if (!(packedComposite instanceof Structure struct)) {
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return;
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}
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int preferredLength = packedComposite.getLength();
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DataTypeComponent[] definedComponents = struct.getDefinedComponents();
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int lastIndex = definedComponents.length - 1;
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for (int i = 0; i < definedComponents.length; i++) {
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DataTypeComponent dtc = definedComponents[i];
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if (!isPaddingComponent(dtc, true)) {
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continue; // leave bitfield padding intact
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}
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int nextComponentOffset = -1;
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if (i < lastIndex) {
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nextComponentOffset = definedComponents[i + 1].getOffset();
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}
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int ordinal = dtc.getOrdinal();
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// experiment with padding removal and restore if removal impacts structure
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struct.delete(ordinal);
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if (struct.getLength() != preferredLength || (nextComponentOffset > 0 &&
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nextComponentOffset != definedComponents[i + 1].getOffset())) {
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// restore padding component
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struct.insert(ordinal, dtc.getDataType(), -1, PADDING_COMPONENT_NAME, null);
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}
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}
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}
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private void removeAllPadding(Composite composite) {
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if (!(composite instanceof Structure struct)) {
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return;
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}
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boolean doDelete = composite.isPackingEnabled();
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DataTypeComponent[] definedComponents = struct.getDefinedComponents();
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for (int i = definedComponents.length - 1; i >= 0; i--) {
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DataTypeComponent dtc = definedComponents[i];
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if (isPaddingComponent(dtc, false)) {
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if (doDelete) {
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struct.delete(dtc.getOrdinal());
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}
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else {
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struct.clearComponent(dtc.getOrdinal());
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}
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}
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}
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}
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private boolean isPaddingComponent(DataTypeComponent dtc, boolean skipBitFields) {
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if (skipBitFields && dtc.isBitFieldComponent()) {
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return false;
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}
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return PADDING_COMPONENT_NAME.equals(dtc.getFieldName());
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}
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private boolean isGoodAlignment(Composite testComposite, int preferredSize) {
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boolean alignOK = true;
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if (preferredSize > 0 && testComposite.getNumComponents() != 0) {
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@ -410,6 +490,7 @@ public class DefaultCompositeMember extends CompositeMember {
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@Override
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int getLength() {
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if (memberDataType instanceof BitFieldDataType) {
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// FIXME: This assumption interferes with pack(1) case for bitfields
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BitFieldDataType bitfield = (BitFieldDataType) memberDataType;
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return bitfield.getBaseTypeSize();
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}
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@ -424,6 +505,9 @@ public class DefaultCompositeMember extends CompositeMember {
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memberType = MemberType.STRUCTURE;
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structureMemberOffsetMap = new TreeMap<>();
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structureMemberRangeMap = new RangeMap(-1);
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// allow padding size to use pointer-size and smaller by default
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largestPrimitiveSize = memberDataType.getDataOrganization().getPointerSize();
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hasPadding = false;
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unionMemberList = null;
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}
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else {
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@ -610,7 +694,6 @@ public class DefaultCompositeMember extends CompositeMember {
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}
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DefaultCompositeMember memberCopy = new DefaultCompositeMember(this);
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memberCopy.memberOffset = 0;
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CategoryPath tempCategoryPath = parent.getDataType().getCategoryPath();
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String tempName = allocateTemporaryContainerName("struct");
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@ -618,57 +701,18 @@ public class DefaultCompositeMember extends CompositeMember {
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Structure nestedStructure =
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new StructureDataType(tempCategoryPath, tempName, 0, dataTypeManager);
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String oldName = memberName;
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DataType oldDataType = memberDataType;
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DefaultCompositeMember deferredBitFieldMember = null;
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if (oldDataType instanceof PdbBitField) {
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PdbBitField bitfieldDt = (PdbBitField) oldDataType;
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try {
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int bitOffset = bitfieldDt.getBitOffsetWithinBase();
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DefaultCompositeMember padding = getPaddingBitField(null, memberCopy);
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if (padding != null) {
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deferredBitFieldMember = memberCopy;
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memberCopy = padding;
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bitfieldDt = (PdbBitField) memberCopy.memberDataType;
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bitOffset = bitfieldDt.getBitOffsetWithinBase();
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}
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else if (bitOffset < 0) {
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// TODO: assumes little-endian, add support for big-endian
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bitOffset = 0;
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}
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insertMinimalStructureBitfield(nestedStructure, 0, memberCopy.memberName,
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bitfieldDt, memberCopy.getMemberComment());
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}
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catch (InvalidDataTypeException e) {
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Msg.error(this, "PDB failed to add bitfield: " + e.getMessage());
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return false;
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}
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}
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else {
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nestedStructure.insertAtOffset(0, oldDataType, oldDataType.getLength(), oldName,
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memberCopy.getMemberComment());
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}
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memberName = tempName;
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memberOffset = 0;
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memberDataType = nestedStructure;
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memberIsZeroLengthArray = false;
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memberDataTypeName = null; // signifies a container
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initializeContainer();
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structureMemberRangeMap.paintRange(0, memberCopy.getLength() - 1, 0);
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structureMemberOffsetMap.put(0, memberCopy);
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memberCopy.setParent(this);
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if (parent != null) {
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parent.memberChanged(oldName, this);
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parent.memberChanged(memberCopy.memberName, this);
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}
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if (deferredBitFieldMember != null) {
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return addStructureMember(deferredBitFieldMember);
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}
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return true;
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return addStructureMember(memberCopy);
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}
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private String getMemberComment() {
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@ -688,6 +732,85 @@ public class DefaultCompositeMember extends CompositeMember {
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return buf.toString();
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}
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private int getMinimumPackedStructureLength() {
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if (!isStructureContainer()) {
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throw new IllegalStateException();
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}
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Entry<Integer, CompositeMember> lastEntry = structureMemberOffsetMap.lastEntry();
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if (lastEntry == null) {
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return 0;
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}
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int lastOffset = lastEntry.getKey();
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CompositeMember lastMember = lastEntry.getValue();
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return lastOffset + lastMember.getLength();
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}
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/**
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* Insert minimal padding into structure prior to the addition of a component such that packing
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* will allow component to be placed at intended offset.
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* @param nextComponentOffset
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* @param dt
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*/
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private void insertMinimalStructurePadding(int nextComponentOffset, DataType dt) {
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if (!isStructureContainer()) {
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throw new IllegalStateException();
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}
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int structLen = getMinimumPackedStructureLength();
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if (nextComponentOffset <= structLen) {
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return;
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}
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if (dt instanceof AbstractIntegerDataType) {
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largestPrimitiveSize = Math.max(largestPrimitiveSize, dt.getLength());
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}
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Structure struct = (Structure) memberDataType;
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int fillSpace = nextComponentOffset - structLen;
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while (fillSpace > 0) {
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int alignedOffset = DataOrganizationImpl.getAlignedOffset(dt.getAlignment(), structLen);
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if (alignedOffset == nextComponentOffset) {
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return;
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}
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DataType paddingDt = getPaddingDataType(nextComponentOffset, structLen);
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if (paddingDt == null) {
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return;
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}
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int paddingOffset =
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DataOrganizationImpl.getAlignedOffset(paddingDt.getAlignment(), structLen);
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struct.insertAtOffset(paddingOffset, paddingDt, -1, PADDING_COMPONENT_NAME, null);
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hasPadding = true;
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structLen = struct.getLength();
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fillSpace = nextComponentOffset - structLen;
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}
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}
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private DataType getPaddingDataType(int nextComponentOffset, int structLen) {
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if (largestPrimitiveSize <= 1) {
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return new CharDataType(dataTypeManager);
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}
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for (int paddingSize = largestPrimitiveSize; paddingSize > 1; --paddingSize) {
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DataType paddingDt =
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AbstractIntegerDataType.getSignedDataType(paddingSize, dataTypeManager);
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int alignedOffset =
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DataOrganizationImpl.getAlignedOffset(paddingDt.getAlignment(), structLen);
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if ((alignedOffset + paddingSize) <= nextComponentOffset) {
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return paddingDt;
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}
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}
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return new CharDataType(dataTypeManager);
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}
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/**
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* Insert a structure bitfield without creating additional undefined padding
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* components (i.e., keep to minimal storage size).
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@ -751,9 +874,6 @@ public class DefaultCompositeMember extends CompositeMember {
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Composite composite = (Composite) memberDataType;
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DataTypeComponent component = composite.getComponent(composite.getNumComponents() - 1);
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// if (component.getOffset() != newMember.getOffset()) {
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// return false; // unexpected
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// }
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DataType dataType = component.getDataType();
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if (!(dataType instanceof BitFieldDataType) && !(dataType == DataType.DEFAULT)) {
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@ -843,10 +963,13 @@ public class DefaultCompositeMember extends CompositeMember {
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// TODO: assumes little-endian, add support for big-endian
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bitOffset = 0;
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}
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insertMinimalStructurePadding(member.memberOffset,
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bitfieldDt.getBaseDataType());
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insertMinimalStructureBitfield((Structure) memberDataType, member.memberOffset,
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member.getName(), bitfieldDt, member.getMemberComment());
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}
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else {
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insertMinimalStructurePadding(member.memberOffset, member.memberDataType);
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((Structure) memberDataType).insertAtOffset(member.memberOffset,
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member.memberDataType, member.getLength(), member.memberName,
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member.getMemberComment());
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@ -955,13 +1078,29 @@ public class DefaultCompositeMember extends CompositeMember {
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return true;
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}
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int unionMemberCount = unionMemberList.size();
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CompositeMember lastUnionMember =
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unionMemberCount == 0 ? null : unionMemberList.get(unionMemberCount - 1);
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// NOTE: It is assumed that offset will always be ascending and not reach back to union
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// members before the last one
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CompositeMember lastUnionMember = unionMemberList.get(unionMemberList.size() - 1);
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if (lastUnionMember == null) {
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member.parent = this;
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if (!member.transformIntoStructureContainer()) {
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return false;
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}
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((Union) memberDataType).add(member.memberDataType, member.memberName, null);
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unionMemberList.add(member);
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if (parent != null) {
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parent.sizeChanged(this);
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}
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return true;
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}
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if (lastUnionMember.isStructureContainer() &&
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member.memberOffset >= lastUnionMember.getOffset()) {
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DefaultCompositeMember struct = (DefaultCompositeMember) lastUnionMember;
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if (struct.isRelatedBitField(member.memberOffset - lastUnionMember.getOffset(),
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member)) {
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@ -4,9 +4,9 @@
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
|
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*
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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@ -103,6 +103,62 @@ public class CompositeMemberTest extends AbstractGhidraHeadlessIntegrationTest
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Msg.info(this, message + " (Test: " + getName() + ")");
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}
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@Test
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public void testUnionWithStructureOfBitFieldsWithPadding() throws Exception {
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/**
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<datatype name="TestUnion" kind="Union" length="0x8" >
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<member name="field1:0x1:0xb" datatype="int" offset="0x4" kind="Member" length="0x1" />
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<member name="field2:0x4:0xc" datatype="int" offset="0x4" kind="Member" length="0x4" />
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</datatype>
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union TestUnion {
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struct {
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int :32;
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int :11;
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int field1:1;
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int field2:4;
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};
|
||||
short fieldSHORT;
|
||||
};
|
||||
|
||||
*/
|
||||
UnionDataType union = new UnionDataType(CategoryPath.ROOT, "testUnion", dataMgr);
|
||||
|
||||
//@formatter:off
|
||||
List<MyPdbMember> members =
|
||||
CollectionUtils.asList(
|
||||
new MyPdbMember("field1:0x1:0xb", "int", 4),
|
||||
new MyPdbMember("field2:0x4:0xc", "int", 4),
|
||||
new MyPdbMember("fieldSHORT", "short", 0)
|
||||
);
|
||||
//@formatter:on
|
||||
|
||||
assertTrue(DefaultCompositeMember.applyDataTypeMembers(union, false, 8, members, this,
|
||||
TaskMonitor.DUMMY));
|
||||
|
||||
//@formatter:off
|
||||
CompositeTestUtils.assertExpectedComposite(this,
|
||||
"/testUnion\n" +
|
||||
"pack()\n" +
|
||||
"Union testUnion {\n" +
|
||||
" 0 testUnion_s_0 8 _s_0 \"\"\n" +
|
||||
" 0 short 2 fieldSHORT \"\"\n" +
|
||||
"}\n" +
|
||||
"Length: 8 Alignment: 4\n" +
|
||||
"/testUnion/testUnion_s_0\n" +
|
||||
"pack()\n" +
|
||||
"Structure testUnion_s_0 {\n" +
|
||||
" 0 int 4 _padding_ \"\"\n" +
|
||||
" 4 int:11(0) 2 _padding_ \"\"\n" +
|
||||
" 5 int:1(3) 1 field1 \"\"\n" +
|
||||
" 5 int:4(4) 1 field2 \"\"\n" +
|
||||
"}\n" +
|
||||
"Length: 8 Alignment: 4", union, true);
|
||||
//@formatter:on
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testSimpleStructureWithBitFields() throws Exception {
|
||||
|
||||
@ -137,6 +193,72 @@ public class CompositeMemberTest extends AbstractGhidraHeadlessIntegrationTest
|
||||
//@formatter:on
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testSimplePack1StructureWithBitFields() throws Exception {
|
||||
|
||||
StructureDataType struct = new StructureDataType("struct", 0, dataMgr);
|
||||
|
||||
//@formatter:off
|
||||
List<MyPdbMember> members =
|
||||
CollectionUtils.asList(
|
||||
new MyPdbMember("a", "uchar", 0),
|
||||
new MyPdbMember("b:0x4:0x0", "uchar", 1),
|
||||
new MyPdbMember("c:0x4:0x4", "uchar", 1),
|
||||
new MyPdbMember("d:0x4:0x0", "uchar", 2),
|
||||
new MyPdbMember("e:0x4:0x0", "uint", 3),
|
||||
new MyPdbMember("f", "ushort", 7));
|
||||
//@formatter:on
|
||||
|
||||
assertTrue(DefaultCompositeMember.applyDataTypeMembers(struct, false, 9, members, this,
|
||||
TaskMonitor.DUMMY));
|
||||
|
||||
//@formatter:off
|
||||
CompositeTestUtils.assertExpectedComposite(this,
|
||||
"/struct\n" +
|
||||
"pack(1)\n" +
|
||||
"Structure struct {\n" +
|
||||
" 0 uchar 1 a \"\"\n" +
|
||||
" 1 uchar:4(0) 1 b \"\"\n" +
|
||||
" 1 uchar:4(4) 1 c \"\"\n" +
|
||||
" 2 uchar:4(0) 1 d \"\"\n" +
|
||||
" 3 uint:4(0) 1 e \"\"\n" +
|
||||
" 7 ushort 2 f \"\"\n" +
|
||||
"}\n" +
|
||||
"Length: 9 Alignment: 1", struct, true);
|
||||
//@formatter:on
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testSimpleNoPackStructureWithBitFields() throws Exception {
|
||||
|
||||
StructureDataType struct = new StructureDataType("struct", 0, dataMgr);
|
||||
|
||||
//@formatter:off
|
||||
List<MyPdbMember> members =
|
||||
CollectionUtils.asList(
|
||||
new MyPdbMember("a", "uchar", 0),
|
||||
new MyPdbMember("b:0x4:0x0", "uchar", 1),
|
||||
new MyPdbMember("e:0x4:0x0", "uint", 3),
|
||||
new MyPdbMember("f", "ushort", 7));
|
||||
//@formatter:on
|
||||
|
||||
assertTrue(DefaultCompositeMember.applyDataTypeMembers(struct, false, 9, members, this,
|
||||
TaskMonitor.DUMMY));
|
||||
|
||||
//@formatter:off
|
||||
CompositeTestUtils.assertExpectedComposite(this,
|
||||
"/struct\n" +
|
||||
"pack(disabled)\n" +
|
||||
"Structure struct {\n" +
|
||||
" 0 uchar 1 a \"\"\n" +
|
||||
" 1 uchar:4(0) 1 b \"\"\n" +
|
||||
" 3 uint:4(0) 1 e \"\"\n" +
|
||||
" 7 ushort 2 f \"\"\n" +
|
||||
"}\n" +
|
||||
"Length: 9 Alignment: 1", struct, true);
|
||||
//@formatter:on
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testSimpleStructureWithFillerBitFields() throws Exception {
|
||||
|
||||
@ -162,10 +284,10 @@ public class CompositeMemberTest extends AbstractGhidraHeadlessIntegrationTest
|
||||
"pack()\n" +
|
||||
"Structure struct {\n" +
|
||||
" 0 uchar 1 a \"\"\n" +
|
||||
" 1 uchar:2(0) 1 padding \"\"\n" +
|
||||
" 1 uchar:2(0) 1 _padding_ \"\"\n" +
|
||||
" 1 uchar:2(2) 1 b \"\"\n" +
|
||||
" 1 uchar:1(4) 1 c1 \"\"\n" +
|
||||
" 1 uchar:1(5) 1 padding \"\"\n" +
|
||||
" 1 uchar:1(5) 1 _padding_ \"\"\n" +
|
||||
" 1 uchar:1(6) 1 c2 \"\"\n" +
|
||||
" 2 uchar:7(0) 1 d \"\"\n" +
|
||||
" 4 uint:4(0) 1 e \"\"\n" +
|
||||
@ -238,20 +360,20 @@ public class CompositeMemberTest extends AbstractGhidraHeadlessIntegrationTest
|
||||
"pack()\n" +
|
||||
"Structure struct_u_0_s_0 {\n" +
|
||||
" 0 char:1(0) 1 a0 \"\"\n" +
|
||||
" 0 char:1(1) 1 padding \"\"\n" +
|
||||
" 0 char:1(1) 1 _padding_ \"\"\n" +
|
||||
" 0 char:1(2) 1 a2 \"\"\n" +
|
||||
" 0 char:1(3) 1 padding \"\"\n" +
|
||||
" 0 char:1(3) 1 _padding_ \"\"\n" +
|
||||
" 0 char:1(4) 1 a4 \"\"\n" +
|
||||
"}\n" +
|
||||
"Length: 1 Alignment: 1\n" +
|
||||
"/struct/struct_u_0/struct_u_0_s_1\n" +
|
||||
"pack()\n" +
|
||||
"Structure struct_u_0_s_1 {\n" +
|
||||
" 0 char:1(0) 1 padding \"\"\n" +
|
||||
" 0 char:1(0) 1 _padding_ \"\"\n" +
|
||||
" 0 char:1(1) 1 a1 \"\"\n" +
|
||||
" 0 char:1(2) 1 padding \"\"\n" +
|
||||
" 0 char:1(2) 1 _padding_ \"\"\n" +
|
||||
" 0 char:1(3) 1 a3 \"\"\n" +
|
||||
" 0 char:1(4) 1 padding \"\"\n" +
|
||||
" 0 char:1(4) 1 _padding_ \"\"\n" +
|
||||
" 0 char:1(5) 1 a5 \"\"\n" +
|
||||
"}\n" +
|
||||
"Length: 1 Alignment: 1", struct, true);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user