How can I disable security checks for Jenkins pipeline builds

Question

I'm running Jenkins in a local trusted environment where I'm trying to run this pipeline. This Jenkinsfile is checked into git.

#!groovy
node('master') {
    def ver = pomVersion()
    echo "Building version $ver"
}

def pomVersion(){
    def pomtext = readFile('pom.xml')
    def pomx = new XmlParser().parseText(pomtext)
    pomx.version.text()
}

The first few times I ran the build, I needed to manually approve changes (Jenkins->Mange Jenkins-> In-process Script Approval). Now I get this Exception and there is nothing to approve. All I want to do is parse an XML file. Can these security checks be bypassed completely for pipeline builds?

org.jenkinsci.plugins.scriptsecurity.sandbox.RejectedAccessException: unclassified field groovy.util.Node version
    at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SandboxInterceptor.unclassifiedField(SandboxInterceptor.java:367)
    at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SandboxInterceptor.onGetProperty(SandboxInterceptor.java:363)
    at org.kohsuke.groovy.sandbox.impl.Checker$4.call(Checker.java:241)
    at org.kohsuke.groovy.sandbox.impl.Checker.checkedGetProperty(Checker.java:238)
    at com.cloudbees.groovy.cps.sandbox.SandboxInvoker.getProperty(SandboxInvoker.java:23)
    at com.cloudbees.groovy.cps.impl.PropertyAccessBlock.rawGet(PropertyAccessBlock.java:17)
    at WorkflowScript.pomVersion(WorkflowScript:10)
    at WorkflowScript.run(WorkflowScript:3)
    at ___cps.transform___(Native Method)
    at com.cloudbees.groovy.cps.impl.PropertyishBlock$ContinuationImpl.get(PropertyishBlock.java:62)
    at com.cloudbees.groovy.cps.LValueBlock$GetAdapter.receive(LValueBlock.java:30)
    at com.cloudbees.groovy.cps.impl.PropertyishBlock$ContinuationImpl.fixName(PropertyishBlock.java:54)
    at sun.reflect.GeneratedMethodAccessor479.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at com.cloudbees.groovy.cps.impl.ContinuationPtr$ContinuationImpl.receive(ContinuationPtr.java:72)
    at com.cloudbees.groovy.cps.impl.ConstantBlock.eval(ConstantBlock.java:21)
    at com.cloudbees.groovy.cps.Next.step(Next.java:58)
    at com.cloudbees.groovy.cps.Continuable.run0(Continuable.java:154)
    at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.access$001(SandboxContinuable.java:18)
    at org.jenkinsci.plugins.workflow.cps.SandboxContinuable$1.call(SandboxContinuable.java:32)
    at org.jenkinsci.plugins.workflow.cps.SandboxContinuable$1.call(SandboxContinuable.java:29)
    at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.GroovySandbox.runInSandbox(GroovySandbox.java:108)
    at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.run0(SandboxContinuable.java:29)
    at org.jenkinsci.plugins.workflow.cps.CpsThread.runNextChunk(CpsThread.java:164)
    at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.run(CpsThreadGroup.java:276)
    at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.access$000(CpsThreadGroup.java:78)
    at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:185)
    at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:183)
    at org.jenkinsci.plugins.workflow.cps.CpsVmExecutorService$2.call(CpsVmExecutorService.java:47)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at hudson.remoting.SingleLaneExecutorService$1.run(SingleLaneExecutorService.java:112)
    at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
Finished: FAILURE

Answer 1

Currently it is not possible. There is an open ticket for this problem https://issues.jenkins-ci.org/browse/JENKINS-28178

Answer 2

Try the following jenkins plugin: https://wiki.jenkins-ci.org/display/JENKINS/Permissive+Script+Security+Plugin It disables the sandbox. Works for me.

Answer 3

You can solve the problem by following steps:

1. install Permissive Script Security plugin (version 0.3 or newer)

2. add permissive-script-security.enabled command line parameter to Jenkins master with value:

   • true if you want to disable the need to approve scripts, but potentially dangerous signatures will be logged:

     -Dpermissive-script-security.enabled=true
     

   • no_security if you want to disable the need to approve scripts and disable also logging of the potentially dangerous signatures:

     -Dpermissive-script-security.enabled=no_security
     

Answer 4

As answered above: in the newer Jenkins versions Script Security has been tightened. However for the specific use case of reading a version from Maven's pom.xml one could use readMavenPom from the Pipeline Utility Steps Plugin:

pom = readMavenPom file: 'pom.xml'
pom.version

With some other solutions in this StackOverflow question as well.