41 lines
2.0 KiB
JavaScript
41 lines
2.0 KiB
JavaScript
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import ArrayFormatBase from './ArrayFormatBase.js';
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import FormatBase from './FormatBase.js';
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import ImageDataDirectoryArray from './ImageDataDirectoryArray.js';
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import ImageDirectoryEntry from './ImageDirectoryEntry.js';
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import ImageDosHeader from './ImageDosHeader.js';
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import ImageFileHeader from './ImageFileHeader.js';
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import ImageNtHeaders from './ImageNtHeaders.js';
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import ImageOptionalHeader from './ImageOptionalHeader.js';
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import ImageOptionalHeader64 from './ImageOptionalHeader64.js';
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import ImageSectionHeaderArray from './ImageSectionHeaderArray.js';
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export { ArrayFormatBase, FormatBase, ImageDataDirectoryArray, ImageDirectoryEntry, ImageDosHeader, ImageFileHeader, ImageNtHeaders, ImageOptionalHeader, ImageOptionalHeader64, ImageSectionHeaderArray, };
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export function getImageDosHeader(bin) {
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return ImageDosHeader.from(bin);
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}
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export function getImageNtHeadersByDosHeader(bin, dosHeader) {
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return ImageNtHeaders.from(bin, dosHeader.newHeaderAddress);
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}
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export function getImageSectionHeadersByNtHeaders(bin, dosHeader, ntHeaders) {
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return ImageSectionHeaderArray.from(bin, ntHeaders.fileHeader.numberOfSections, dosHeader.newHeaderAddress + ntHeaders.byteLength);
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}
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export function findImageSectionBlockByDirectoryEntry(bin, dosHeader, ntHeaders, entryType) {
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var arr = ImageSectionHeaderArray.from(bin, ntHeaders.fileHeader.numberOfSections, dosHeader.newHeaderAddress + ntHeaders.byteLength);
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var len = arr.length;
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var rva = ntHeaders.optionalHeaderDataDirectory.get(entryType).virtualAddress;
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for (var i = 0; i < len; ++i) {
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var sec = arr.get(i);
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var vaEnd = sec.virtualAddress + sec.virtualSize;
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if (rva >= sec.virtualAddress && rva < vaEnd) {
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var ptr = sec.pointerToRawData;
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if (!ptr) {
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return null;
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}
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return bin.slice(ptr, ptr + sec.sizeOfRawData);
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}
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if (rva < sec.virtualAddress) {
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return null;
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}
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}
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return null;
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}
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