add 'pull' task
WIP: add initrc parser test to analyze system boot sequencepull/20/head
cfig
7 years ago
parent
1f7476d884
commit
6505fea379
@ -0,0 +1,321 @@
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import org.junit.Test
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import java.io.File
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import java.util.regex.Matcher
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import java.util.regex.Pattern
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class ReadTest {
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data class Trigger(
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var trigger: String = "",
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var actions: MutableList<String> = mutableListOf()
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)
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data class Import(
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var initrc: String = ""
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)
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data class Service(
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var name: String = "",
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var cmd: String = "",
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var theClass: String = "default",
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var theUser: String? = null,
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var theGroup: String? = null,
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var theSeclabel: String? = null,
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var theMiscAttr: MutableList<String> = mutableListOf(),
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var theCaps: MutableList<String> = mutableListOf(),
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var theSocket: String? = null,
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var theWritePid: String? = null,
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var theKeycodes: String? = null,
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var thePriority: Int? = null,
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var theIOPriority: String? = null,
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var theOnRestart: MutableList<String> = mutableListOf()
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)
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fun parseConfig(inRootDir: String, inPath: String,
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triggers: MutableList<Trigger>,
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services: MutableList<Service>) {
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if (!File(inRootDir + inPath).exists()) {
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println("Parsing " + inPath + " fail: 404");
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}
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if (File(inRootDir + inPath).isFile()) {
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parseConfigFile(inRootDir, inPath, triggers, services)
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} else if (File(inRootDir + inPath).isDirectory()) {
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parseConfigDir(inRootDir, inPath, triggers, services)
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}
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}
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fun parseConfigDir(inRootDir: String, inPath: String,
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triggers: MutableList<Trigger>,
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services: MutableList<Service>) {
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println("Parsing directory $inPath ...")
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File(inRootDir + inPath).listFiles().forEach {
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parseConfig(inRootDir,
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it.path.substring(inRootDir.length - 1),
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triggers, services)
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}
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}
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fun parseConfigFile(inRootDir: String, inPath: String,
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triggers: MutableList<Trigger>,
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services: MutableList<Service>) {
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if (!File(inRootDir + inPath).exists()) {
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println("Parsing $inPath fail: 404");
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return
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}
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println("Parsing file $inPath ...")
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var imports: MutableList<Import> = mutableListOf()
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var aTrigger: Trigger? = null
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var aService: Service? = null
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var aImport: Import? = null
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var toBeContinued = false
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val lines = File(inRootDir + inPath).readLines()
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for (item in lines) {
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val line = item.trim();
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//comment
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if (line.startsWith("#") || line.isEmpty()) {
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continue
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}
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//continue
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if (toBeContinued) {
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if (line.endsWith("\\")) {
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aService!!.cmd += " "
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aService!!.cmd += line.substring(0, line.length - 1)
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println(" CONTINUE:" + line.substring(0, line.length - 1))
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} else {
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toBeContinued = false
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aService!!.cmd += " "
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aService!!.cmd += line
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println(" END :$line")
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}
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continue
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}
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val finderOn = Pattern.compile("^(on)\\s+(\\S+.*$)").matcher(line)
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val finderService = Pattern.compile("^service\\s+(\\S+)\\s+(.*$)").matcher(line)
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val finderImport = Pattern.compile("^import\\s+(\\S+)$").matcher(line)
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if (finderOn.matches() || finderService.matches() || finderImport.matches()) {
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//flush start >>
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aTrigger?.let { /* println("[add] " + aTrigger); */ triggers.add(aTrigger!!); aTrigger = null }
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aService?.let { /* println("[add] " + aService); */ services.add(aService!!); aService = null }
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aImport?.let { /* println("[add] " + aImport); */ imports.add(aImport!!); aImport = null }
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// << flush end
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}
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finderOn.reset()
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finderService.reset()
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finderImport.reset()
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if (finderOn.find()) {
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//println(" |on| " + line)
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//println(" group.cnt = " + finderOn.groupCount())
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//println(" " + line.substring(finderOn.start(), finderOn.end()))
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//println(" >" + finderOn.group(1))
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//println(" >" + finderOn.group(2))
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aTrigger = Trigger(trigger = finderOn.group(2))
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} else if (finderService.find()) {
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aService = Service()
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aService!!.name = finderService.group(1)
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aService!!.cmd = finderService.group(2)
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if (finderService.group(2).endsWith("\\")) { //remove trailing slash
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toBeContinued = true
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aService!!.cmd = aService!!.cmd.substring(0, aService!!.cmd.length - 1)
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}
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} else if (finderImport.find()) {
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aImport = Import()
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aImport!!.initrc = finderImport.group(1)
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if (aImport!!.initrc.startsWith("/")) {
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aImport!!.initrc = aImport!!.initrc.substring(1)
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} else {
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//do nothing
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}
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val ro_hardware = "\${ro.hardware}"
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val ro_zygote = "\${ro.zygote}"
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aImport!!.initrc = aImport!!.initrc.replace(ro_hardware, "sequoia")
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aImport!!.initrc = aImport!!.initrc.replace(ro_zygote, "zygote32")
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} else {
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if (aTrigger != null) {
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aTrigger!!.actions.add(line)
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} else if (aService != null) {
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//class
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var bParsed = false
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lateinit var mm: Matcher
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if (!bParsed) {
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mm = Pattern.compile("^class\\s+(.*)").matcher(line)
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if (mm.matches()) {
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aService!!.theClass = mm.group(1)
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bParsed = true
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}
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}
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if (!bParsed) {
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//user
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mm = Pattern.compile("^user\\s+(.*)").matcher(line)
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if (mm.matches()) {
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aService!!.theUser = mm.group(1)
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bParsed = true
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}
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}
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if (!bParsed) {
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//capabilities
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mm = Pattern.compile("^capabilities\\s+(.*)").matcher(line)
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if (mm.matches()) {
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aService!!.theCaps.add(mm.group(1))
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bParsed = true
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}
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}
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if (!bParsed) {
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//group
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mm = Pattern.compile("^group\\s+(.*)").matcher(line)
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if (mm.matches()) {
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aService!!.theGroup = mm.group(1)
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bParsed = true
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}
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}
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if (!bParsed) {
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//seclabel
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mm = Pattern.compile("^seclabel\\s+(.*)").matcher(line)
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if (mm.matches()) {
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aService!!.theSeclabel = mm.group(1)
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bParsed = true
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}
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}
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if (!bParsed) {
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//writepid
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mm = Pattern.compile("^writepid\\s+(.*)$").matcher(line)
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if (mm.matches()) {
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aService!!.theWritePid = mm.group(1)
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bParsed = true
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}
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}
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if (!bParsed) {
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//onrestart
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mm = Pattern.compile("^onrestart\\s+(.*)$").matcher(line)
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if (mm.matches()) {
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aService!!.theOnRestart.add(mm.group(1))
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bParsed = true
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}
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}
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if (!bParsed) {
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//socket
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mm = Pattern.compile("^socket\\s+(.*)$").matcher(line)
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if (mm.matches()) {
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aService!!.theSocket = mm.group(1)
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bParsed = true
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}
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}
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if (!bParsed) {
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//ioprio
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mm = Pattern.compile("^ioprio\\s+(.*)$").matcher(line)
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if (mm.matches()) {
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aService!!.theIOPriority = mm.group(1)
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bParsed = true
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}
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}
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if (!bParsed) {
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//priority
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mm = Pattern.compile("^priority\\s+(\\S+)$").matcher(line)
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if (mm.matches()) {
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aService!!.thePriority = Integer.parseInt(mm.group(1))
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bParsed = true
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}
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}
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if (!bParsed) {
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//check space
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mm = Pattern.compile("^\\S+$").matcher(line)
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if (mm.matches()) {
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aService!!.theMiscAttr.add(line)
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bParsed = true
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}
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}
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if (!bParsed) {
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println("<< Dangling << $line")
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}
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} else {
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println("<< Dangling << $line")
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}
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}
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}
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//flush start >>
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aTrigger?.let { /* println("[add] " + aTrigger); */ triggers.add(aTrigger!!); aTrigger = null }
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aService?.let { /* println("[add] " + aService); */ services.add(aService!!); aService = null }
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aImport?.let { /* println("[add] " + aImport); */ imports.add(aImport!!); aImport = null }
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// << flush end
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imports.forEach { println(it) }
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//parse imports again
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var iteratorImport: Iterator<Import> = imports.iterator()
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while (iteratorImport.hasNext()) {
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val item: Import = iteratorImport.next()
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parseConfigFile(inRootDir, item.initrc, triggers, services)
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}
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println("Parsing file $inPath done")
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}
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fun queueEventTrigger(inServices: MutableList<Service>,
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inTriggers: List<Trigger>, inTriggerName: String,
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inIndent: String = "") {
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val aPre = inIndent
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inTriggers.filter { it.trigger == inTriggerName }.forEach { aTrigger ->
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println(aPre + " (on+${aTrigger.trigger})")
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aTrigger.actions.forEach { aAction ->
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aAction.executeCmd(inServices, inTriggers, aPre + " ")
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}
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}
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}
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fun String.executeCmd(inServices: MutableList<Service>,
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inTriggers: List<Trigger>, inIndent: String) {
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val aPre = inIndent + " "
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if (this.startsWith("trigger ")) {
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println(aPre + "|-- " + this)
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queueEventTrigger(inServices, inTriggers, this.substring(8).trim(), aPre + "| ")
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} else if (this.startsWith("chmod")) {
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} else if (this.startsWith("chown")) {
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} else if (this.startsWith("mkdir")) {
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} else if (this.startsWith("write")) {
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} else if (Pattern.compile("class_start\\s+\\S+").matcher(this).find()) {
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println(aPre + "|-- " + this)
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val m = Pattern.compile("class_start\\s+(\\S+)$").matcher(this)
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if (m.find()) {
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inServices
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.filter {
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it.theClass != null
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&& it.theClass!!.split(" ").contains(m.group(1))
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}
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.forEach {
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println(aPre + "| \\-- Starting " + it.name + "...")
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}
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} else {
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println("error")
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}
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} else if (this.startsWith("start")) {
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println(aPre + "|-- " + this)
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println(aPre + "| \\-- Starting " + this.substring(5).trim() + "...")
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} else {
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println(aPre + "|-- " + this)
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}
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}
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@Test
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fun parseTest() {
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System.out.println(System.getProperty("user.dir"))
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var gTriggers: MutableList<Trigger> = mutableListOf()
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var gServices: MutableList<Service> = mutableListOf()
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parseConfig("__temp/", "/init.rc", gTriggers, gServices)
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parseConfig("__temp/", "/system/etc/init", gTriggers, gServices)
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parseConfig("__temp/", "/vendor/etc/init", gTriggers, gServices)
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parseConfig("__temp/", "/odm/etc/init", gTriggers, gServices)
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gTriggers.forEach { println(it) }
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gServices.forEach { println(it) }
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println("Trigger count:" + gTriggers.size)
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println("Service count:" + gServices.size)
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queueEventTrigger(gServices, gTriggers, "early-init")
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queueEventTrigger(gServices, gTriggers, "init")
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queueEventTrigger(gServices, gTriggers, "late-init")
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// println(">> mount_all() returned 0, trigger nonencrypted")
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// queueEventTrigger(gServices, gTriggers, "nonencrypted")
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}
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}
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@ -0,0 +1,34 @@
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Enable developer debugging for AVB-enabled devices
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### modify build/unzip_boot/vbmeta.img.avb.json
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* disable dm-verity hashtree verification
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header -> flags: set to 1(AVB_VBMETA_IMAGE_FLAGS_HASHTREE_DISABLED = 1) to disable dm-verity hashtree(system/vendor etc.)
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```diff
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"descriptors_size" : 1384,
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"rollback_index" : 0,
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- "flags" : 0,
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+ "flags" : 1,
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"release_string" : "avbtool 1.0.0"
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},
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"authBlob" : {
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```
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* disable all AVB verification
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header -> flags: set to 2(AVB_VBMETA_IMAGE_FLAGS_VERIFICATION_DISABLED = 2) to disable all verification, including AVB hash_footer(boot/recovery etc.) and dm-verity hashtree(system/vendor etc.)
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```diff
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"descriptors_size" : 1384,
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"rollback_index" : 0,
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- "flags" : 0,
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+ "flags" : 2,
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"release_string" : "avbtool 1.0.0"
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},
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"authBlob" : {
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```
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### unlock bootloader
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'unlock' state will pass flag AVB_SLOT_VERIFY_FLAGS_ALLOW_VERIFICATION_ERROR when verifying images, then you can disable
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