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PackageManager.GET_SIGNATURES use real apk signature instead of dummy

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WhatsApp needs its own signature to generate a valid authentication token
This commit is contained in:
Julian Winkler
2024-06-24 18:49:58 +02:00
committed by Mis012
parent 051e80ae91
commit a8ba2f797a
3 changed files with 9 additions and 39 deletions
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4
src/api-impl/android/content/Context.java
View File

@@ -101,7 +101,9 @@ public class Context extends Object {
theme = r.newTheme(); theme = r.newTheme();
application_info = new ApplicationInfo(); application_info = new ApplicationInfo();
try (XmlResourceParser parser = assets.openXmlResourceParser("AndroidManifest.xml")) { try (XmlResourceParser parser = assets.openXmlResourceParser("AndroidManifest.xml")) {
pkg = new PackageParser(null).parsePackage(r, parser, 0, new String[1]); PackageParser packageParser = new PackageParser(native_get_apk_path());
pkg = packageParser.parsePackage(r, parser, 0, new String[1]);
packageParser.collectCertificates(pkg, 0);
application_info = pkg.applicationInfo; application_info = pkg.applicationInfo;
} catch (Exception e) { } catch (Exception e) {
e.printStackTrace(); e.printStackTrace();

34
src/api-impl/android/content/pm/PackageManager.java
View File

@@ -1343,35 +1343,6 @@ public class PackageManager {
*/ */
public static final String EXTRA_REQUEST_PERMISSION_PERMISSION_LIST = "android.content.pm.extra.PERMISSION_LIST"; public static final String EXTRA_REQUEST_PERMISSION_PERMISSION_LIST = "android.content.pm.extra.PERMISSION_LIST";
// dummy certificate
public final static byte[] X509_DUMMY = (
"-----BEGIN CERTIFICATE-----\n" +
"MIIERjCCAy6gAwIBAgIJAIz+EYMBU6aQMA0GCSqGSIb3DQEBBQUAMIGiMQswCQYD\n" +
"VQQGEwJDQTELMAkGA1UECBMCQkMxEjAQBgNVBAcTCVZhbmNvdXZlcjEWMBQGA1UE\n" +
"ChMNd3d3LmN1Y2JjLmNvbTEUMBIGA1UECxQLY29tbW9uc19zc2wxHTAbBgNVBAMU\n" +
"FGRlbW9faW50ZXJtZWRpYXRlX2NhMSUwIwYJKoZIhvcNAQkBFhZqdWxpdXNkYXZp\n" +
"ZXNAZ21haWwuY29tMB4XDTA2MTIxMTE1MzE0MVoXDTI4MTEwNTE1MzE0MVowgaQx\n" +
"CzAJBgNVBAYTAlVTMREwDwYDVQQIEwhNYXJ5bGFuZDEUMBIGA1UEBxMLRm9yZXN0\n" +
"IEhpbGwxFzAVBgNVBAoTDmh0dHBjb21wb25lbnRzMRowGAYDVQQLExF0ZXN0IGNl\n" +
"cnRpZmljYXRlczEQMA4GA1UEAxMHZm9vLmNvbTElMCMGCSqGSIb3DQEJARYWanVs\n" +
"aXVzZGF2aWVzQGdtYWlsLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC\n" +
"ggEBAMhjr5aCPoyp0R1iroWAfnEyBMGYWoCidH96yGPFjYLowez5aYKY1IOKTY2B\n" +
"lYho4O84X244QrZTRl8kQbYtxnGh4gSCD+Z8gjZ/gMvLUlhqOb+WXPAUHMB39GRy\n" +
"zerA/ZtrlUqf+lKo0uWcocxeRc771KN8cPH3nHZ0rV0Hx4ZAZy6U4xxObe4rtSVY\n" +
"07hNKXAb2odnVqgzcYiDkLV8ilvEmoNWMWrp8UBqkTcpEhYhCYp3cTkgJwMSuqv8\n" +
"BqnGd87xQU3FVZI4tbtkB+KzjD9zz8QCDJAfDjZHR03KNQ5mxOgXwxwKw6lGMaiV\n" +
"JTxpTKqym93whYk93l3ocEe55c0CAwEAAaN7MHkwCQYDVR0TBAIwADAsBglghkgB\n" +
"hvhCAQ0EHxYdT3BlblNTTCBHZW5lcmF0ZWQgQ2VydGlmaWNhdGUwHQYDVR0OBBYE\n" +
"FJ8Ud78/OrbKOIJCSBYs2tDLXofYMB8GA1UdIwQYMBaAFHua2o+QmU5S0qzbswNS\n" +
"yoemDT4NMA0GCSqGSIb3DQEBBQUAA4IBAQC3jRmEya6sQCkmieULcvx8zz1euCk9\n" +
"fSez7BEtki8+dmfMXe3K7sH0lI8f4jJR0rbSCjpmCQLYmzC3NxBKeJOW0RcjNBpO\n" +
"c2JlGO9auXv2GDP4IYiXElLJ6VSqc8WvDikv0JmCCWm0Zga+bZbR/EWN5DeEtFdF\n" +
"815CLpJZNcYwiYwGy/CVQ7w2TnXlG+mraZOz+owr+cL6J/ZesbdEWfjoS1+cUEhE\n" +
"HwlNrAu8jlZ2UqSgskSWlhYdMTAP9CPHiUv9N7FcT58Itv/I4fKREINQYjDpvQcx\n" +
"SaTYb9dr5sB4WLNglk7zxDtM80H518VvihTcP7FHL+Gn6g4j5fkI98+S\n" +
"-----END CERTIFICATE-----\n").getBytes();
public PackageManager() { public PackageManager() {
package_info = PackageParser.generatePackageInfo(Context.pkg, new int[0], 0, 0, 0, new HashSet<>(), new PackageUserState()); package_info = PackageParser.generatePackageInfo(Context.pkg, new int[0], 0, 0, 0, new HashSet<>(), new PackageUserState());
} }
@@ -1411,10 +1382,7 @@ public class PackageManager {
* @see #GET_UNINSTALLED_PACKAGES * @see #GET_UNINSTALLED_PACKAGES
*/ */
public PackageInfo getPackageInfo(String packageName, int flags) throws NameNotFoundException { public PackageInfo getPackageInfo(String packageName, int flags) throws NameNotFoundException {
if ((flags & GET_SIGNATURES) == GET_SIGNATURES) { return PackageParser.generatePackageInfo(Context.pkg, new int[0], flags, 0, 0, new HashSet<>(), new PackageUserState());
package_info.signatures = new Signature[]{new Signature(X509_DUMMY)};
}
return package_info;
} }
/** /**

10
src/api-impl/android/content/pm/PackageParser.java
View File

@@ -661,7 +661,7 @@ public class PackageParser {
final String name = je.getName(); final String name = je.getName();
if (name.startsWith("META-INF/")) if (name.startsWith("META-INF/") && !"META-INF/MANIFEST.MF".equals(name)) // MANIFEST.MF is always trusted, get certificate from it
continue; continue;
if (ANDROID_MANIFEST_FILENAME.equals(name)) { if (ANDROID_MANIFEST_FILENAME.equals(name)) {
@@ -675,10 +675,10 @@ public class PackageParser {
} }
if (localCerts == null) { if (localCerts == null) {
Slog.e(TAG, "Package " + pkg.packageName + " has no certificates at entry " + je.getName() + "; ignoring!"); // Slog.e(TAG, "Package " + pkg.packageName + " has no certificates at entry " + je.getName() + "; ignoring!");
jarFile.close(); // jarFile.close();
mParseError = PackageManager.INSTALL_PARSE_FAILED_NO_CERTIFICATES; // mParseError = PackageManager.INSTALL_PARSE_FAILED_NO_CERTIFICATES;
return false; // return false;
} else if (certs == null) { } else if (certs == null) {
certs = localCerts; certs = localCerts;
} else { } else {