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8375458: Check legal folder of JDK image for unwanted files

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Reviewed-by: erikj
This commit is contained in:
Matthias Baesken 2026-01-22 08:50:11 +00:00
parent 03038d802c
commit 70fc08a70d
1 changed files with 58 additions and 1 deletions
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59
test/jdk/build/CheckFiles.java
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@ -23,6 +23,7 @@
*/
import java.io.IOException;
import java.nio.file.DirectoryStream;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
@ -36,7 +37,7 @@ import jdk.test.lib.Platform;
/*
* @test
* @summary Check for unwanted file (types/extensions) in the jdk image
* @summary Check for unwanted files (types/extensions) in the jdk image
* @library /test/lib
* @requires !vm.debug
* @run main CheckFiles
@ -47,6 +48,20 @@ public class CheckFiles {
// JTREG=JAVA_OPTIONS=-Djdk.test.build.CheckFiles.dir=/path/to/dir
public static final String DIR_PROPERTY = "jdk.test.build.CheckFiles.dir";
private static boolean isGpl(Path myFile) {
if (myFile == null || !Files.exists(myFile)) {
return false;
}
try {
String firstLine = Files.readAllLines(myFile).stream()
.findFirst().orElse("");
return firstLine.contains("The GNU General Public License (GPL)");
} catch (IOException e) {
return false;
}
}
public static void main(String[] args) throws Exception {
String jdkPathString = System.getProperty("test.jdk");
Path jdkHome = Paths.get(jdkPathString);
@ -148,6 +163,48 @@ public class CheckFiles {
throw new Error("jmods dir scan failed");
}
}
Path legalDir = mainDirToScan.resolve("legal");
Path javabaseLicenseFile = mainDirToScan.resolve("legal/java.base/LICENSE");
if (isGpl(javabaseLicenseFile)) { // for now check only legal dir of GPL based images; other ones might have other content
System.out.println("GPL info found in java.base LICENSE file");
ArrayList<String> allowedEndingsLegalDir = new ArrayList<>();
allowedEndingsLegalDir.add(".md");
allowedEndingsLegalDir.add("ADDITIONAL_LICENSE_INFO");
allowedEndingsLegalDir.add("ASSEMBLY_EXCEPTION");
allowedEndingsLegalDir.add("LICENSE");
ArrayList<String> requiredFilesInLegalSubdirs = new ArrayList<>();
requiredFilesInLegalSubdirs.add("LICENSE");
requiredFilesInLegalSubdirs.add("ADDITIONAL_LICENSE_INFO");
requiredFilesInLegalSubdirs.add("ASSEMBLY_EXCEPTION");
System.out.println("Legal directory to scan:" + legalDir);
try (DirectoryStream<Path> stream = Files.newDirectoryStream(legalDir)) {
for (Path subfolder : stream) {
if (Files.isDirectory(subfolder)) {
System.out.println("Checking legal dir subfolder for required files: " + subfolder.getFileName());
for (String fileName : requiredFilesInLegalSubdirs) {
Path filePath = subfolder.resolve(fileName);
if (Files.exists(filePath)) {
System.out.println(" Found " + fileName);
} else {
System.out.println(" Missing " + fileName);
throw new Error("legal dir scan for required files failed");
}
}
}
}
}
boolean legalDirRes = scanFiles(legalDir, allowedEndingsLegalDir);
if (legalDirRes) {
System.out.println("Legal directory scan successful.");
} else {
throw new Error("Legal dir scan failed");
}
}
}
private static boolean scanFiles(Path root, ArrayList<String> allowedEndings) throws IOException {