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Code Issues Releases Wiki Activity

Added support for changing the Windows agent bitmap logo within the executable. Agent needs to be changed to fully support this.

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Ylian Saint-Hilaire 2022-08-11 17:37:42 -07:00
parent e306af5fc9
commit d519546a6c
3 changed files with 60 additions and 1 deletions
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1
authenticode.js
View file

@ -2482,4 +2482,5 @@ if (require.main === module) { start(); }
module.exports.createAuthenticodeHandler = createAuthenticodeHandler; module.exports.createAuthenticodeHandler = createAuthenticodeHandler;
module.exports.loadCertificates = loadCertificates; module.exports.loadCertificates = loadCertificates;
module.exports.loadIcon = loadIcon; module.exports.loadIcon = loadIcon;
module.exports.loadBitmap = loadBitmap;
module.exports.hashObject = hashObject; module.exports.hashObject = hashObject;

57
meshcentral.js
View file

@ -1384,6 +1384,22 @@ function CreateMeshCentralServer(config, args) {
// Invalid icon file path // Invalid icon file path
delete obj.config.domains[i].agentfileinfo.icon; delete obj.config.domains[i].agentfileinfo.icon;
} }
if (typeof obj.config.domains[i].agentfileinfo.logo == 'string') {
// Load the agent .bmp file
var logo = null;
try { logo = require('./authenticode.js').loadBitmap(obj.path.join(obj.datapath, obj.config.domains[i].agentfileinfo.logo)); } catch (ex) { }
if (logo != null) {
// The logo file was correctly loaded
obj.config.domains[i].agentfileinfo.logo = logo;
} else {
// Failed to load the icon file, display a server warning
addServerWarning("Unable to load agent logo file: " + obj.config.domains[i].agentfileinfo.logo + ".", 24, [obj.config.domains[i].agentfileinfo.logo]);
delete obj.config.domains[i].agentfileinfo.logo;
}
} else {
// Invalid icon file path
delete obj.config.domains[i].agentfileinfo.logo;
}
} }
} }
@ -3022,6 +3038,35 @@ function CreateMeshCentralServer(config, args) {
} }
} }
} }
// Check the agent logo
if (destinationAgentOk == true) {
if ((domain.agentfileinfo != null) && (domain.agentfileinfo.logo != null)) {
// Check if the destination agent matches the logo we want
const agentBitmaps = destinationAgent.getBitmapInfo();
if (agentBitmaps != null) {
const agentBitmapNames = Object.keys(agentBitmaps);
if (agentBitmapNames.length > 0) {
const agentMainBitmap = agentBitmaps[agentBitmapNames[0]];
const agentMainBitmapHash = require('./authenticode.js').hashObject(agentMainBitmap);
const bitmapHash = require('./authenticode.js').hashObject(domain.agentfileinfo.logo);
if (agentMainBitmapHash != bitmapHash) { destinationAgentOk = false; } // If the existing agent logo does not match the desired logo, we need to re-sign the agent.
}
}
} else {
// Check if the destination agent has the default icon
const agentBitmaps1 = destinationAgent.getBitmapInfo();
const agentBitmaps2 = originalAgent.getBitmapInfo();
const agentBitmapNames = Object.keys(agentBitmaps1);
if (agentBitmapNames.length == 0) {
destinationAgentOk = false;
} else {
const iconHash1 = require('./authenticode.js').hashObject(agentBitmaps1[agentBitmapNames[0]]);
const iconHash2 = require('./authenticode.js').hashObject(agentBitmaps2[agentBitmapNames[0]]);
if (iconHash1 != iconHash2) { destinationAgentOk = false; } // If the existing agent icon does not match the desired icon, we need to re-sign the agent.
}
}
}
} }
// If everything looks ok, runs a hash of the original and destination agent .text, .data and .rdata sections. If different, sign the agent again. // If everything looks ok, runs a hash of the original and destination agent .text, .data and .rdata sections. If different, sign the agent again.
@ -3084,6 +3129,18 @@ function CreateMeshCentralServer(config, args) {
} }
} }
} }
// Change the agent logo
if (domain.agentfileinfo.logo != null) {
const agentBitmaps = originalAgent.getBitmapInfo();
if (agentBitmaps != null) {
const agentBitmapNames = Object.keys(agentBitmaps);
if (agentBitmapNames.length > 0) {
agentBitmaps[agentBitmapNames[0]] = domain.agentfileinfo.logo;
originalAgent.setBitmapInfo(agentBitmaps);
}
}
}
} }
const signingArguments = { out: signeedagentpath, desc: signDesc, url: signUrl, time: timeStampUrl, proxy: timeStampProxy }; // Shallow clone const signingArguments = { out: signeedagentpath, desc: signDesc, url: signUrl, time: timeStampUrl, proxy: timeStampProxy }; // Shallow clone

3
views/default.handlebars
View file

@ -2329,7 +2329,8 @@
20: "Invalid \"LoginCookieEncryptionKey\" in config.json.", 20: "Invalid \"LoginCookieEncryptionKey\" in config.json.",
21: "Backup path can't be set within meshcentral-data folder, backup settings ignored.", 21: "Backup path can't be set within meshcentral-data folder, backup settings ignored.",
22: "Failed to sign agent {0}: {1}", 22: "Failed to sign agent {0}: {1}",
23: "Unable to load agent icon file: {0}." 23: "Unable to load agent icon file: {0}.",
24: "Unable to load agent logo file: {0}."
}; };
var x = ''; var x = '';
for (var i in message.warnings) { for (var i in message.warnings) {