Ylianst/MeshCentral
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Fixed rare agent update exception on the server.

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Ylian Saint-Hilaire 2019-03-09 15:04:43 -08:00
parent 1673acf424
commit 2b32db76bb
1 changed files with 3 additions and 0 deletions
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3
meshagent.js
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@ -98,6 +98,7 @@ module.exports.CreateMeshAgent = function (parent, db, ws, req, args, domain) {
if (obj.dbMeshKey) { delete obj.dbMeshKey; }
if (obj.connectTime) { delete obj.connectTime; }
if (obj.agentInfo) { delete obj.agentInfo; }
if (obj.agentExeInfo) { delete obj.agentExeInfo; }
ws.removeAllListeners(["message", "close", "error"]);
};
@ -218,6 +219,7 @@ module.exports.CreateMeshAgent = function (parent, db, ws, req, args, domain) {
if (obj.agentExeInfo.data == null) {
// Read the agent from disk
parent.fs.open(obj.agentExeInfo.path, 'r', function (err, fd) {
if (obj.agentExeInfo == null) return; // Agent disconnected during this call.
if (err) { return console.error(err); }
obj.agentUpdate = { ptr: 0, buf: Buffer.alloc(agentUpdateBlockSize + 4), fd: fd, taskid: taskid };
@ -294,6 +296,7 @@ module.exports.CreateMeshAgent = function (parent, db, ws, req, args, domain) {
if (obj.agentExeInfo.data == null) {
// Read the agent from disk
parent.fs.read(obj.agentUpdate.fd, obj.agentUpdate.buf, 4, agentUpdateBlockSize, obj.agentUpdate.ptr, function (err, bytesRead, buffer) {
if ((obj.agentExeInfo == null) || (obj.agentUpdate == null)) return; // Agent disconnected during this async call.
if ((err != null) || (bytesRead < 0)) {
// Error reading the agent file, stop here.
try { parent.fs.close(obj.agentUpdate.fd); } catch (ex) { }