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feat: unit test bound imports directory
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| // Copyright 2021 Saferwall. All rights reserved. | ||
| // Use of this source code is governed by Apache v2 license | ||
| // license that can be found in the LICENSE file. | ||
|
|
||
| package pe | ||
|
|
||
| import ( | ||
| "reflect" | ||
| "testing" | ||
| ) | ||
|
|
||
| type TestBoundImportEntry struct { | ||
| entryCount int | ||
| entryIndex int | ||
| entry BoundImportDescriptorData | ||
| errOutOfBounds error | ||
| } | ||
|
|
||
| func TestBoundImportDirectory(t *testing.T) { | ||
|
|
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| tests := []struct { | ||
| in string | ||
| out TestBoundImportEntry | ||
| }{ | ||
| { | ||
| getAbsoluteFilePath("test/mfc40u.dll"), | ||
| TestBoundImportEntry{ | ||
| entryCount: 4, | ||
| entryIndex: 0, | ||
| entry: BoundImportDescriptorData{ | ||
| Struct: ImageBoundImportDescriptor{ | ||
| TimeDateStamp: 0x31CB50F3, | ||
| OffsetModuleName: 0x38, | ||
| NumberOfModuleForwarderRefs: 0x1, | ||
| }, | ||
| Name: "MSVCRT40.dll", | ||
| ForwardedRefs: []BoundForwardedRefData{ | ||
| { | ||
| Struct: ImageBoundForwardedRef{ | ||
| TimeDateStamp: 0x3B7DFE0E, | ||
| OffsetModuleName: 0x45, | ||
| Reserved: 0x0, | ||
| }, | ||
| Name: "msvcrt.DLL", | ||
| }, | ||
| }, | ||
| }, | ||
| errOutOfBounds: nil, | ||
| }, | ||
| }, | ||
| { | ||
| // fake bound imports directory | ||
| getAbsoluteFilePath("test/0044e1870806c048a7558082d4482d1650dcd3ea73152ed2218a554983130721"), | ||
| TestBoundImportEntry{ | ||
| errOutOfBounds: ErrOutsideBoundary, | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| for _, tt := range tests { | ||
| t.Run(tt.in, func(t *testing.T) { | ||
| ops := Options{Fast: true} | ||
| file, err := New(tt.in, &ops) | ||
| if err != nil { | ||
| t.Fatalf("New(%s) failed, reason: %v", tt.in, err) | ||
| } | ||
|
|
||
| err = file.Parse() | ||
| if err != nil { | ||
| t.Fatalf("Parse(%s) failed, reason: %v", tt.in, err) | ||
| } | ||
|
|
||
| var va, size uint32 | ||
|
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||
| if file.Is64 { | ||
| oh64 := file.NtHeader.OptionalHeader.(ImageOptionalHeader64) | ||
| dirEntry := oh64.DataDirectory[ImageDirectoryEntryBoundImport] | ||
| va = dirEntry.VirtualAddress | ||
| size = dirEntry.Size | ||
| } else { | ||
| oh32 := file.NtHeader.OptionalHeader.(ImageOptionalHeader32) | ||
| dirEntry := oh32.DataDirectory[ImageDirectoryEntryBoundImport] | ||
| va = dirEntry.VirtualAddress | ||
| size = dirEntry.Size | ||
| } | ||
|
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| err = file.parseBoundImportDirectory(va, size) | ||
| if err != tt.out.errOutOfBounds { | ||
| t.Fatalf("parseBoundImportDirectory(%s) failed, reason: %v", tt.in, err) | ||
| } | ||
| got := file.BoundImports | ||
| if len(got) != tt.out.entryCount { | ||
| t.Errorf("bound imports entry count assertion failed, got %v, want %v", len(got), tt.out.entryCount) | ||
| } | ||
|
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| if len(file.BoundImports) > 0 { | ||
| boundImportEntry := file.BoundImports[tt.out.entryIndex] | ||
| if !reflect.DeepEqual(boundImportEntry, tt.out.entry) { | ||
| t.Errorf("bound import entry assertion failed, got %v, want %v", boundImportEntry, tt.out.entry) | ||
| } | ||
| } | ||
|
|
||
| }) | ||
| } | ||
| } |
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