mirror of
https://github.com/Ylianst/MeshCentral.git
synced 2024-12-22 21:31:35 +03:00
Added tasklimiter and improvements to agent meshcore update system.
This commit is contained in:
Ylian Saint-Hilaire
parent
0a44d8c873
commit
cd84af5cb9
@ -905,7 +905,7 @@ function createMeshCore(agent)
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switch (data.action)
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{
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case 'agentupdate':
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agentUpdate_Start(data.url, { hash: data.hash, tlshash: data.servertlshash });
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agentUpdate_Start(data.url, { hash: data.hash, tlshash: data.servertlshash, sessionid: data.sessionid });
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break;
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case 'msg': {
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switch (data.type)
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@ -3053,11 +3053,11 @@ function createMeshCore(agent)
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break;
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}
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case 'agentupdate':
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require('MeshAgent').SendCommand({ action: 'agentupdate' });
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require('MeshAgent').SendCommand({ action: 'agentupdate', sessionid: sessionid });
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break;
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case 'agentupdateex':
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// Perform an direct agent update without requesting any information from the server, this should not typically be used.
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agentUpdate_Start(null, { session: sessionid });
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agentUpdate_Start(null, { sessionid: sessionid });
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break;
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case 'msh':
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response = JSON.stringify(_MSH(), null, 2);
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@ -4343,7 +4343,7 @@ function createMeshCore(agent)
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function agentUpdate_Start(updateurl, updateoptions)
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{
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// If this value is null
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var sessionid = updateoptions != null ? updateoptions.session : null; // If this is null, messages will be broadcast. Otherwise they will be unicasted
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var sessionid = (updateoptions != null) ? updateoptions.sessionid : null; // If this is null, messages will be broadcast. Otherwise they will be unicasted
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if (this._selfupdate != null)
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{
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@ -4380,7 +4380,7 @@ function createMeshCore(agent)
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return;
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}
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sendConsoleText('Downloading update...', sessionid);
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if (sessionid != null) { sendConsoleText('Downloading update...', sessionid); }
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var options = require('http').parseUri(updateurl != null ? updateurl : require('MeshAgent').ServerUrl);
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options.protocol = 'https:';
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if (updateurl == null) { options.path = ('/meshagents?id=' + require('MeshAgent').ARCHID); }
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@ -4422,7 +4422,7 @@ function createMeshCore(agent)
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{
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if (updateoptions.hash.toLowerCase() == h.toString('hex').toLowerCase())
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{
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sendConsoleText('Download complete. HASH verified.', sessionid);
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if (sessionid != null) { sendConsoleText('Download complete. HASH verified.', sessionid); }
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}
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else
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{
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@ -4433,10 +4433,13 @@ function createMeshCore(agent)
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}
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else
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{
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sendConsoleText('Download complete. HASH=' + h.toString('hex'), sessionid);
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if (sessionid != null) { sendConsoleText('Download complete. HASH=' + h.toString('hex'), sessionid); }
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}
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sendConsoleText('Updating and restarting agent...', sessionid);
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// Send an indication to the server that we got the update download correctly.
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try { mesh.SendCommand({ action: 'agentupdatedownloaded' }); } catch (e) { }
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if (sessionid != null) { sendConsoleText('Updating and restarting agent...', sessionid); }
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if (process.platform == 'win32')
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{
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// Use _wexecve() equivalent to perform the update
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@ -4458,7 +4461,7 @@ function createMeshCore(agent)
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m |= (require('fs').CHMOD_MODES.S_IXUSR | require('fs').CHMOD_MODES.S_IXGRP | require('fs').CHMOD_MODES.S_IXOTH);
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require('fs').chmodSync(process.execPath, m);
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sendConsoleText('Restarting service...', sessionid);
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if (sessionid != null) { sendConsoleText('Restarting service...', sessionid); }
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try
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{
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// restart service
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@ -86,7 +86,7 @@ function windows_execve(name, agentfilename, sessionid)
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function agentUpdate_Start(updateurl, updateoptions)
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{
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// If this value is null
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var sessionid = updateoptions != null ? updateoptions.session : null; // If this is null, messages will be broadcast. Otherwise they will be unicasted
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var sessionid = (updateoptions != null) ? updateoptions.sessionid : null; // If this is null, messages will be broadcast. Otherwise they will be unicasted
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if (this._selfupdate != null)
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{
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@ -123,7 +123,7 @@ function agentUpdate_Start(updateurl, updateoptions)
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return;
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}
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sendConsoleText('Downloading update...', sessionid);
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if (sessionid != null) { sendConsoleText('Downloading update...', sessionid); }
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var options = require('http').parseUri(updateurl != null ? updateurl : require('MeshAgent').ServerUrl);
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options.protocol = 'https:';
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if (updateurl == null) { options.path = ('/meshagents?id=' + require('MeshAgent').ARCHID); }
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@ -165,7 +165,7 @@ function agentUpdate_Start(updateurl, updateoptions)
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{
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if (updateoptions.hash.toLowerCase() == h.toString('hex').toLowerCase())
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{
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sendConsoleText('Download complete. HASH verified.', sessionid);
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if (sessionid != null) { sendConsoleText('Download complete. HASH verified.', sessionid); }
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}
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else
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{
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@ -179,7 +179,10 @@ function agentUpdate_Start(updateurl, updateoptions)
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sendConsoleText('Download complete. HASH=' + h.toString('hex'), sessionid);
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}
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sendConsoleText('Updating and restarting agent...', sessionid);
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// Send an indication to the server that we got the update download correctly.
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try { mesh.SendCommand({ action: 'agentupdatedownloaded' }); } catch (e) { }
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if (sessionid != null) { sendConsoleText('Updating and restarting agent...', sessionid); }
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if (process.platform == 'win32')
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{
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// Use _wexecve() equivalent to perform the update
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@ -201,7 +204,7 @@ function agentUpdate_Start(updateurl, updateoptions)
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m |= (require('fs').CHMOD_MODES.S_IXUSR | require('fs').CHMOD_MODES.S_IXGRP | require('fs').CHMOD_MODES.S_IXOTH);
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require('fs').chmodSync(process.execPath, m);
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sendConsoleText('Restarting service...', sessionid);
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if (sessionid != null) { sendConsoleText('Restarting service...', sessionid); }
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try
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{
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// restart service
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@ -406,7 +409,7 @@ require('MeshAgent').AddCommandHandler(function (data)
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switch (data.action)
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{
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case 'agentupdate':
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agentUpdate_Start(data.url, { hash: data.hash, tlshash: data.servertlshash });
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agentUpdate_Start(data.url, { hash: data.hash, tlshash: data.servertlshash, sessionid: data.sessionid });
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break;
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case 'msg':
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{
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@ -662,11 +665,11 @@ function processConsoleCommand(cmd, args, rights, sessionid) {
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break;
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case 'agentupdate':
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// Request that the server send a agent update command
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require('MeshAgent').SendCommand({ action: 'agentupdate' });
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require('MeshAgent').SendCommand({ action: 'agentupdate', sessionid: sessionid });
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break;
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case 'agentupdateex':
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// Perform an direct agent update without requesting any information from the server, this should not typically be used.
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agentUpdate_Start(null, { session: sessionid });
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agentUpdate_Start(null, { sessionid: sessionid });
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break;
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case 'osinfo': { // Return the operating system information
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var i = 1;
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81
meshagent.js
81
meshagent.js
@ -89,7 +89,7 @@ module.exports.CreateMeshAgent = function (parent, db, ws, req, args, domain) {
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// Set this agent as no longer authenticated
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obj.authenticated = -1;
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// If we where updating the agent, clean that up.
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// If we where updating the agent using native method, clean that up.
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if (obj.agentUpdate != null) {
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if (obj.agentUpdate.fd) { try { parent.fs.close(obj.agentUpdate.fd); } catch (ex) { } }
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parent.parent.taskLimiter.completed(obj.agentUpdate.taskid); // Indicate this task complete
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@ -97,6 +97,12 @@ module.exports.CreateMeshAgent = function (parent, db, ws, req, args, domain) {
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delete obj.agentUpdate;
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}
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// If we where updating the agent meshcore method, clean that up.
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if (obj.agentCoreUpdateTaskId != null) {
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parent.parent.taskLimiter.completed(obj.agentCoreUpdateTaskId);
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delete obj.agentCoreUpdateTaskId;
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}
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// Perform timer cleanup
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if (obj.pingtimer) { clearInterval(obj.pingtimer); delete obj.pingtimer; }
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if (obj.pongtimer) { clearInterval(obj.pongtimer); delete obj.pongtimer; }
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@ -238,7 +244,6 @@ module.exports.CreateMeshAgent = function (parent, db, ws, req, args, domain) {
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if (agentUpdateMethod === 2) { // Use meshcore agent update system
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// Send the recovery core to the agent, if the agent is capable of running one
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if (((obj.agentInfo.capabilities & 16) != 0) && (parent.parent.meshAgentsArchitectureNumbers[obj.agentInfo.agentId].core != null)) {
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//obj.agentCoreCheck = 1001;
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obj.agentCoreUpdate = true;
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obj.sendBinary(common.ShortToStr(11) + common.ShortToStr(0));
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}
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@ -1152,17 +1157,26 @@ module.exports.CreateMeshAgent = function (parent, db, ws, req, args, domain) {
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{
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if ((obj.agentCoreUpdate === true) && (obj.agentExeInfo != null)) {
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// Agent update. The recovery core was loaded in the agent, send a command to update the agent
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var cmd = { action: 'agentupdate', url: obj.agentExeInfo.url, hash: obj.agentExeInfo.hashhex };
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// Add the hash
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if (obj.agentExeInfo.fileHash != null) { cmd.hash = obj.agentExeInfo.fileHashHex; } else { cmd.hash = obj.agentExeInfo.hashhex; }
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// Add server TLS cert hash
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if (parent.parent.args.ignoreagenthashcheck !== true) {
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const tlsCertHash = parent.webCertificateFullHashs[domain.id];
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if (tlsCertHash != null) { cmd.servertlshash = Buffer.from(tlsCertHash, 'binary').toString('hex'); }
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}
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// Send the agent update command
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obj.send(JSON.stringify(cmd));
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//delete obj.agentCoreUpdate;
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parent.parent.taskLimiter.launch(function (argument, taskid, taskLimiterQueue) { // Medium priority task
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// If agent disconnection, complete and exit now.
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if (obj.authenticated != 2) { parent.parent.taskLimiter.completed(taskid); return; }
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// Agent update. The recovery core was loaded in the agent, send a command to update the agent
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obj.agentCoreUpdateTaskId = taskid;
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var cmd = { action: 'agentupdate', url: obj.agentExeInfo.url, hash: obj.agentExeInfo.hashhex };
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// Add the hash
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if (obj.agentExeInfo.fileHash != null) { cmd.hash = obj.agentExeInfo.fileHashHex; } else { cmd.hash = obj.agentExeInfo.hashhex; }
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// Add server TLS cert hash
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if (parent.parent.args.ignoreagenthashcheck !== true) {
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const tlsCertHash = parent.webCertificateFullHashs[domain.id];
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if (tlsCertHash != null) { cmd.servertlshash = Buffer.from(tlsCertHash, 'binary').toString('hex'); }
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}
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// Send the agent update command
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obj.send(JSON.stringify(cmd));
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}, null, 1);
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} else {
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// Sent by the agent to update agent information
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ChangeAgentCoreInfo(command);
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@ -1456,17 +1470,38 @@ module.exports.CreateMeshAgent = function (parent, db, ws, req, args, domain) {
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break;
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}
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case 'agentupdate': {
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// Agent is requesting an agent update
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var cmd = { action: 'agentupdate', url: obj.agentExeInfo.url, hash: obj.agentExeInfo.hashhex };
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// Add the hash
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if (obj.agentExeInfo.fileHash != null) { cmd.hash = obj.agentExeInfo.fileHashHex; } else { cmd.hash = obj.agentExeInfo.hashhex; }
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// Add server TLS cert hash
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if (parent.parent.args.ignoreagenthashcheck !== true) {
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const tlsCertHash = parent.webCertificateFullHashs[domain.id];
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if (tlsCertHash != null) { cmd.servertlshash = Buffer.from(tlsCertHash, 'binary').toString('hex'); }
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var func = function agentUpdateFunc(argument, taskid, taskLimiterQueue) { // Medium priority task
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// If agent disconnection, complete and exit now.
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if (obj.authenticated != 2) { parent.parent.taskLimiter.completed(taskid); return; }
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// Agent is requesting an agent update
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obj.agentCoreUpdateTaskId = taskid;
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var cmd = { action: 'agentupdate', url: obj.agentExeInfo.url, hash: obj.agentExeInfo.hashhex, sessionid: agentUpdateFunc.sessionid };
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// Add the hash
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if (obj.agentExeInfo.fileHash != null) { cmd.hash = obj.agentExeInfo.fileHashHex; } else { cmd.hash = obj.agentExeInfo.hashhex; }
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// Add server TLS cert hash
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if (parent.parent.args.ignoreagenthashcheck !== true) {
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const tlsCertHash = parent.webCertificateFullHashs[domain.id];
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if (tlsCertHash != null) { cmd.servertlshash = Buffer.from(tlsCertHash, 'binary').toString('hex'); }
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}
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// Send the agent update command
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obj.send(JSON.stringify(cmd));
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}
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func.sessionid = command.sessionid;
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// Agent update. The recovery core was loaded in the agent, send a command to update the agent
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parent.parent.taskLimiter.launch(func, null, 1);
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break;
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}
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case 'agentupdatedownloaded': {
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if (obj.agentCoreUpdateTaskId != null) {
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// Indicate this udpate task is complete
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parent.parent.taskLimiter.completed(obj.agentCoreUpdateTaskId);
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delete obj.agentCoreUpdateTaskId;
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}
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// Send the agent update command
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obj.send(JSON.stringify(cmd));
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break;
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}
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default: {
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