Detect-It-Easy/db/PE/_init

// Detect It Easy: DiE-JS framework file
// Don't change anything unless you're sure about what you're doing

var File = PE;
var X = PE;

/**
 * Get the signature at an offset of the entry point.
 * @see Binary.getSignature
 */
PE.getEntryPointSignature = function (nOffset, nSize) {
    return PE.getSignature(PE.nEP + nOffset, nSize);
}


/**
 * Add console and/or administrator requirement to the general options.
 * @returns {String}
 */
PE.getGeneralOptionsEx = function () {
    sResult = PE.getGeneralOptions();
    if (PE.isConsole()) {
        sResult = sResult.append("console");
    }
    if (/requireAdministrator/.test(PE.getManifest())) {
        sResult = sResult.append("admin");
    }
    if (PE.isSignedFile()) {
        sResult = sResult.append("signed");
    }

    return sResult;
}


/**
 * Locate the first library matching a pattern.
 * @returns {?Array} <code>null</code> if not found, otherwise:
 * <br><code>[-1]</code> is the number of the library;
 * <br><code>[0]</code> is the name of the library (lower cased);
 * <br><code>[1]</code> onwards are the captured subpatterns.
 */
PE.isLibraryPresentExp = function (sLibraryPattern) {
    var aMatch = null;
    for (var n = 0; n < PE.getNumberOfImports(); n++) {
        aMatch = PE.getImportLibraryName(n).match(sLibraryPattern);
        if (aMatch) {
            aMatch[-1] = n;
            aMatch[0] = PE.getImportLibraryName(n).toLowerCase();
            break;
        }
    }

    return aMatch;
}


/**
 * Locate the first export function matching a pattern.
 * @returns {?Array} <code>null</code> if not found, otherwise:
 * <br><code>[-1]</code> is the number of the export function;
 * <br><code>[0]</code> is the name of the export function;
 * <br><code>[1]</code> onwards are the captured subpatterns.
 */
PE.isExportFunctionPresentExp = function (sExportPattern) {
    var aMatch = null;
    for (var n = 0; n < PE.getNumberOfExportFunctions(); n++) {
        aMatch = PE.getExportFunctionName(n).match(sExportPattern);
        if (aMatch) {
            aMatch[-1] = n;
            aMatch[0] = PE.getExportFunctionName(n);
            break;
        }
    }

    return aMatch;
}


/**
 * Locate the first section matching a pattern.
 * @returns {?Array} <code>null</code> if not found, otherwise:
 * <br><code>[-1]</code> is the number of the section;
 * <br><code>[0]</code> is the name of the section;
 * <br><code>[1]</code> onwards are the captured subpatterns.
 */
PE.isSectionNamePresentExp = function (sSectionPattern) {
    var aMatch = null;
    for (var n = 0; n < PE.getNumberOfSections(); n++) {
        aMatch = PE.getSectionName(n).match(sSectionPattern);
        if (aMatch) {
            aMatch[-1] = n;
            aMatch[0] = PE.getSectionName(n);
            break;
        }
    }

    return aMatch;
}


/**
 * Locate the first resource matching a pattern.
 * @returns {?Array} <code>null</code> if not found, otherwise:
 * <br><code>[-1]</code> is the number of the resource;
 * <br><code>[0]</code> is the name of the resource;
 * <br><code>[1]</code> onwards are the captured subpatterns.
 */
PE.isResourceNamePresentExp = function (sResourcePattern) {
    var aMatch = null;
    for (var n = 0; n < PE.getNumberOfResources(); n++) {
        aMatch = PE.getResourceNameByNumber(n).match(sResourcePattern);
        if (aMatch) {
            aMatch[-1] = n;
            aMatch[0] = PE.getResourceNameByNumber(n);
            break;
        }
    }

    return aMatch;
}


/**
 * The number of the last section.
 */
PE.nLastSection = PE.getNumberOfSections() - 1;

function Section(number, name, virtsize, rva, filesize, offset, characteristics) {
    this.Number = number;
    this.Name = name;
    this.VirtualSize = virtsize;
    this.VirtualAddress = rva;
    this.FileSize = filesize;
    this.FileOffset = offset;
    this.Characteristics = characteristics;
}

/**
 * An array of sections, indexed by number and name (if not numeric). Members are the same as the functions.
 * @example
 * var rsrcSection = PE.section[".rsrc"].FileOffset;
 */
PE.section = [];
for (var i = 0; i <= PE.nLastSection; i++) {
    PE.section[i] = new Section(i,
        PE.getSectionName(i),
        PE.getSectionVirtualSize(i),
        PE.getSectionVirtualAddress(i),
        PE.getSectionFileSize(i),
        PE.getSectionFileOffset(i),
        PE.getSectionCharacteristics(i));
    if (PE.section[i].Name) {
        var name = PE.section[i].Name;
        // Don't do numeric names, as they are always treated as an index.
        if (+name.toString() != name) { // parseInt crashes the application if Delphi project uses diedll :(
            PE.section[name] = PE.section[i];
        }
    }
}

// Create dummy sections for the few files that need them.
PE.section[-1] = new Section(-1, "\0", 0, 0, 0, PE.getSize(), 0);
if (PE.nLastSection == -1) {
    PE.section[0] = PE.section[-1];
}


// Create an array of resources.

function Resource(number, id, name, offset, size, type) {
    this.Number = number;
    this.Id = id;
    this.Name = name;
    this.Offset = offset;
    this.Size = size;
    this.Type = type;
}

/**
 * An array of resources, indexed by number and name (if not numeric). Members are the same as the functions.
 * @example
 * var packageInfoResource = PE.resource["PACKAGEINFO"].Offset;
 */
PE.resource = [];
for (var i = 0; i < PE.getNumberOfResources(); i++) {
    PE.resource[i] = new Resource(i,
        PE.getResourceIdByNumber(i),
        PE.getResourceNameByNumber(i),
        PE.getResourceOffsetByNumber(i),
        PE.getResourceSizeByNumber(i),
        PE.getResourceTypeByNumber(i));
    if (PE.resource[i].Name) {
        var name = PE.resource[i].Name;
        // Don't do numeric names, as they are always treated as an index.
        if ((+name).toString() != name) { // parseInt crashes the application if Delphi project uses diedll :(
            PE.resource[name] = PE.resource[i];
        }
    }
}