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Code Issues Releases Wiki Activity

MeshAgents on Windows are now signed.

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This commit is contained in:
Ylian Saint-Hilaire 2018-03-08 17:58:22 -08:00
parent 618dfbe42e
commit 80545a7e57
54 changed files with 135 additions and 8640 deletions
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30
exeHandler.js
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@ -97,45 +97,37 @@ module.exports.streamExeWithMeshPolicy = function (options) {
// Pipe the entire source binary without ending the stream.
options.destinationStream.sourceStream.pipe(options.destinationStream, { end: false });
} else if (options.platform == 'win32' && options.peinfo.CertificateTableAddress != 0) {
// This is a signed windows binary, so we need to do some magic
options.mshPadding = (8 - ((options.peinfo.certificateDwLength + options.msh.length + 20) % 8)) % 8; // Compute the padding with quad-align
//console.log('old table size = ' + options.peinfo.CertificateTableSize);
options.peinfo.CertificateTableSize += (options.msh.length + 20 + options.mshPadding); // Add to the certificate table size
//console.log('new table size = ' + options.peinfo.CertificateTableSize);
//console.log('old certificate dwLength = ' + options.peinfo.certificateDwLength);
options.peinfo.certificateDwLength += (options.msh.length + 20 + options.mshPadding); // Add to the certificate size
//console.log('new certificate dwLength = ' + options.peinfo.certificateDwLength);
//console.log('values were padded with ' + options.mshPadding + ' bytes');
// Read up to the certificate table size and stream that out
options.destinationStream.sourceStream = require('fs').createReadStream(options.sourceFileName, { flags: 'r', start: 0, end: options.peinfo.CertificateTableSizePos - 1 });
options.destinationStream.sourceStream.mshPadding = (8 - ((options.peinfo.certificateDwLength + options.msh.length + 20) % 8)) % 8; // Compute the padding with quad-align
options.destinationStream.sourceStream.CertificateTableSize = (options.peinfo.CertificateTableSize + options.msh.length + 20 + options.destinationStream.sourceStream.mshPadding); // Add to the certificate table size
options.destinationStream.sourceStream.certificateDwLength = (options.peinfo.certificateDwLength + options.msh.length + 20 + options.destinationStream.sourceStream.mshPadding); // Add to the certificate size
options.destinationStream.sourceStream.options = options;
options.destinationStream.sourceStream.on('end', function () {
// We sent up to the CertificateTableSize, now we need to send the updated certificate table size
//console.log('read first block');
var sz = Buffer.alloc(4);
sz.writeUInt32LE(this.options.peinfo.CertificateTableSize, 0);
sz.writeUInt32LE(this.CertificateTableSize, 0);
this.options.destinationStream.write(sz); // New cert table size
// Stream everything up to the start of the certificate table entry
var source2 = require('fs').createReadStream(options.sourceFileName, { flags: 'r', start: this.options.peinfo.CertificateTableSizePos + 4, end: this.options.peinfo.CertificateTableAddress - 1 });
source2.options = this.options;
source2.mshPadding = this.mshPadding;
source2.certificateDwLength = this.certificateDwLength;
source2.on('end', function () {
// We've sent up to the Certificate DWLength, which we need to update
//console.log('read second block');
var sz = Buffer.alloc(4);
sz.writeUInt32LE(this.options.peinfo.certificateDwLength, 0);
sz.writeUInt32LE(this.certificateDwLength, 0);
this.options.destinationStream.write(sz); // New certificate length
// Stream the entire binary until the end
var source3 = require('fs').createReadStream(options.sourceFileName, { flags: 'r', start: this.options.peinfo.CertificateTableAddress + 4 });
source3.options = this.options;
source3.mshPadding = this.mshPadding;
source3.on('end', function () {
// We've sent the entire binary... Now send: Padding + MSH + MSHLength + GUID
//console.log('read third block');
if (this.options.mshPadding > 0) { this.options.destinationStream.write(Buffer.alloc(this.options.mshPadding)); } // Padding
if (this.mshPadding > 0) { this.options.destinationStream.write(Buffer.alloc(this.mshPadding)); } // Padding
this.options.destinationStream.write(this.options.msh); // MSH content
var sz = Buffer.alloc(4);
sz.writeUInt32BE(this.options.msh.length, 0);
@ -148,7 +140,7 @@ module.exports.streamExeWithMeshPolicy = function (options) {
source2.pipe(this.options.destinationStream, { end: false });
this.options.destinationStream.sourceStream = source2;
});
this.options.destinationStream.sourceStream.pipe(this.options.destinationStream, { end: false });
options.destinationStream.sourceStream.pipe(options.destinationStream, { end: false });
}
}