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Merge pull request #3 from pgpainless/indirectArgs

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Treat password and sessionkkey arguments as indirect data types
This commit is contained in:
Paul Schaub 2022-02-10 00:04:29 +01:00 committed by GitHub
parent a2f2069380 8877bae675
commit 25915d1204
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GPG key ID: 4AEE18F83AFDEB23
11 changed files with 232 additions and 42 deletions
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3
CHANGELOG.md
View file

@ -6,6 +6,9 @@ SPDX-License-Identifier: Apache-2.0
# Changelog
## 1.2.0
- `encrypt`, `decrypt`: Interpret arguments of `--with-password` and `--with-session-key` as indirect data types (e.g. file references instead of strings)
## 1.1.0
- Initial release from new repository
- Implement SOP specification version 3

16
sop-java-picocli/src/main/java/sop/cli/picocli/FileUtil.java
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@ -4,12 +4,15 @@
package sop.cli.picocli;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.io.IOException;
import sop.exception.SOPGPException;
import sop.util.UTF8Util;
public class FileUtil {
@ -95,4 +98,17 @@ public class FileUtil {
}
return file;
}
public static String stringFromInputStream(InputStream inputStream) throws IOException {
try {
ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
byte[] buf = new byte[4096]; int read;
while ((read = inputStream.read(buf)) != -1) {
byteOut.write(buf, 0, read);
}
return UTF8Util.decodeUTF8(byteOut.toByteArray());
} finally {
inputStream.close();
}
}
}

17
sop-java-picocli/src/main/java/sop/cli/picocli/commands/DecryptCmd.java
View file

@ -47,13 +47,13 @@ public class DecryptCmd implements Runnable {
@CommandLine.Option(
names = {"--with-session-key"},
description = "Enables decryption of the \"CIPHERTEXT\" using the session key directly against the \"SEIPD\" packet",
description = "Provide a session key file. Enables decryption of the \"CIPHERTEXT\" using the session key directly against the \"SEIPD\" packet",
paramLabel = "SESSIONKEY")
List<String> withSessionKey = new ArrayList<>();
@CommandLine.Option(
names = {"--with-password"},
description = "Enables decryption based on any \"SKESK\" packets in the \"CIPHERTEXT\"",
description = "Provide a password file. Enables decryption based on any \"SKESK\" packets in the \"CIPHERTEXT\"",
paramLabel = "PASSWORD")
List<String> withPassword = new ArrayList<>();
@ -194,7 +194,13 @@ public class DecryptCmd implements Runnable {
private void setWithSessionKeys(List<String> withSessionKey, Decrypt decrypt) {
Pattern sessionKeyPattern = Pattern.compile("^\\d+:[0-9A-F]+$");
for (String sessionKey : withSessionKey) {
for (String sessionKeyFile : withSessionKey) {
String sessionKey;
try {
sessionKey = FileUtil.stringFromInputStream(FileUtil.getFileInputStream(sessionKeyFile));
} catch (IOException e) {
throw new RuntimeException(e);
}
if (!sessionKeyPattern.matcher(sessionKey).matches()) {
throw new IllegalArgumentException("Session keys are expected in the format 'ALGONUM:HEXKEY'.");
}
@ -211,11 +217,14 @@ public class DecryptCmd implements Runnable {
}
private void setWithPasswords(List<String> withPassword, Decrypt decrypt) {
for (String password : withPassword) {
for (String passwordFile : withPassword) {
try {
String password = FileUtil.stringFromInputStream(FileUtil.getFileInputStream(passwordFile));
decrypt.withPassword(password);
} catch (SOPGPException.UnsupportedOption unsupportedOption) {
throw new SOPGPException.UnsupportedOption(String.format(ERROR_UNSUPPORTED_OPTION, "--with-password"), unsupportedOption);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}

10
sop-java-picocli/src/main/java/sop/cli/picocli/commands/EncryptCmd.java
View file

@ -13,6 +13,7 @@ import java.util.List;
import picocli.CommandLine;
import sop.Ready;
import sop.cli.picocli.FileUtil;
import sop.cli.picocli.SopCLI;
import sop.enums.EncryptAs;
import sop.exception.SOPGPException;
@ -34,7 +35,7 @@ public class EncryptCmd implements Runnable {
EncryptAs type;
@CommandLine.Option(names = "--with-password",
description = "Encrypt the message with a password",
description = "Encrypt the message with a password provided by the given password file",
paramLabel = "PASSWORD")
List<String> withPassword = new ArrayList<>();
@ -64,14 +65,17 @@ public class EncryptCmd implements Runnable {
}
if (withPassword.isEmpty() && certs.isEmpty()) {
throw new SOPGPException.MissingArg("At least one password or cert file required for encryption.");
throw new SOPGPException.MissingArg("At least one password file or cert file required for encryption.");
}
for (String password : withPassword) {
for (String passwordFileName : withPassword) {
try {
String password = FileUtil.stringFromInputStream(FileUtil.getFileInputStream(passwordFileName));
encrypt.withPassword(password);
} catch (SOPGPException.UnsupportedOption unsupportedOption) {
throw new SOPGPException.UnsupportedOption("Unsupported option '--with-password'.", unsupportedOption);
} catch (IOException e) {
throw new RuntimeException(e);
}
}

29
sop-java-picocli/src/test/java/sop/cli/picocli/TestFileUtil.java Normal file
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@ -0,0 +1,29 @@
// SPDX-FileCopyrightText: 2022 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
package sop.cli.picocli;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
public class TestFileUtil {
public static File writeTempStringFile(String string) throws IOException {
File tempDir = Files.createTempDirectory("tmpDir").toFile();
tempDir.deleteOnExit();
tempDir.mkdirs();
File passwordFile = new File(tempDir, "file");
passwordFile.createNewFile();
FileOutputStream fileOut = new FileOutputStream(passwordFile);
fileOut.write(string.getBytes(StandardCharsets.UTF_8));
fileOut.close();
return passwordFile;
}
}

43
sop-java-picocli/src/test/java/sop/cli/picocli/commands/DecryptCmdTest.java
View file

@ -38,6 +38,7 @@ import sop.SessionKey;
import sop.Verification;
import sop.cli.picocli.DateParser;
import sop.cli.picocli.SopCLI;
import sop.cli.picocli.TestFileUtil;
import sop.exception.SOPGPException;
import sop.operation.Decrypt;
import sop.util.HexUtil;
@ -90,22 +91,25 @@ public class DecryptCmdTest {
@Test
@ExpectSystemExitWithStatus(31)
public void assertNotHumanReadablePasswordCausesExit31() throws SOPGPException.PasswordNotHumanReadable,
SOPGPException.UnsupportedOption {
SOPGPException.UnsupportedOption, IOException {
File passwordFile = TestFileUtil.writeTempStringFile("pretendThisIsNotReadable");
when(decrypt.withPassword(any())).thenThrow(new SOPGPException.PasswordNotHumanReadable());
SopCLI.main(new String[] {"decrypt", "--with-password", "pretendThisIsNotReadable"});
SopCLI.main(new String[] {"decrypt", "--with-password", passwordFile.getAbsolutePath()});
}
@Test
public void assertWithPasswordPassesPasswordDown() throws SOPGPException.PasswordNotHumanReadable, SOPGPException.UnsupportedOption {
SopCLI.main(new String[] {"decrypt", "--with-password", "orange"});
public void assertWithPasswordPassesPasswordDown() throws SOPGPException.PasswordNotHumanReadable, SOPGPException.UnsupportedOption, IOException {
File passwordFile = TestFileUtil.writeTempStringFile("orange");
SopCLI.main(new String[] {"decrypt", "--with-password", passwordFile.getAbsolutePath()});
verify(decrypt, times(1)).withPassword("orange");
}
@Test
@ExpectSystemExitWithStatus(37)
public void assertUnsupportedWithPasswordCausesExit37() throws SOPGPException.PasswordNotHumanReadable, SOPGPException.UnsupportedOption {
public void assertUnsupportedWithPasswordCausesExit37() throws SOPGPException.PasswordNotHumanReadable, SOPGPException.UnsupportedOption, IOException {
File passwordFile = TestFileUtil.writeTempStringFile("swordfish");
when(decrypt.withPassword(any())).thenThrow(new SOPGPException.UnsupportedOption("Decrypting with password not supported."));
SopCLI.main(new String[] {"decrypt", "--with-password", "swordfish"});
SopCLI.main(new String[] {"decrypt", "--with-password", passwordFile.getAbsolutePath()});
}
@Test
@ -289,21 +293,26 @@ public class DecryptCmdTest {
}
@Test
public void assertWithSessionKeyIsPassedDown() throws SOPGPException.UnsupportedOption {
public void assertWithSessionKeyIsPassedDown() throws SOPGPException.UnsupportedOption, IOException {
SessionKey key1 = new SessionKey((byte) 9, HexUtil.hexToBytes("C7CBDAF42537776F12509B5168793C26B93294E5ABDFA73224FB0177123E9137"));
SessionKey key2 = new SessionKey((byte) 9, HexUtil.hexToBytes("FCA4BEAF687F48059CACC14FB019125CD57392BAB7037C707835925CBF9F7BCD"));
File sessionKeyFile1 = TestFileUtil.writeTempStringFile(key1.toString());
File sessionKeyFile2 = TestFileUtil.writeTempStringFile(key2.toString());
SopCLI.main(new String[] {"decrypt",
"--with-session-key", "9:C7CBDAF42537776F12509B5168793C26B93294E5ABDFA73224FB0177123E9137",
"--with-session-key", "9:FCA4BEAF687F48059CACC14FB019125CD57392BAB7037C707835925CBF9F7BCD"});
"--with-session-key", sessionKeyFile1.getAbsolutePath(),
"--with-session-key", sessionKeyFile2.getAbsolutePath()});
verify(decrypt).withSessionKey(key1);
verify(decrypt).withSessionKey(key2);
}
@Test
@ExpectSystemExitWithStatus(1)
public void assertMalformedSessionKeysResultInExit1() {
public void assertMalformedSessionKeysResultInExit1() throws IOException {
File sessionKeyFile = TestFileUtil.writeTempStringFile("C7CBDAF42537776F12509B5168793C26B93294E5ABDFA73224FB0177123E9137");
SopCLI.main(new String[] {"decrypt",
"--with-session-key", "C7CBDAF42537776F12509B5168793C26B93294E5ABDFA73224FB0177123E9137"});
"--with-session-key", sessionKeyFile.getAbsolutePath()});
}
@Test
@ -336,6 +345,18 @@ public class DecryptCmdTest {
SopCLI.main(new String[] {"decrypt", tempKeyFile.getAbsolutePath()});
}
@Test
@ExpectSystemExitWithStatus(61)
public void assertMissingPassphraseFileCausesExit61() {
SopCLI.main(new String[] {"decrypt", "--with-password", "missing"});
}
@Test
@ExpectSystemExitWithStatus(61)
public void assertMissingSessionKeyFileCausesExit61() {
SopCLI.main(new String[] {"decrypt", "--with-session-key", "missing"});
}
@Test
@ExpectSystemExitWithStatus(23)
public void verifyOutWithoutVerifyWithCausesExit23() {

48
sop-java-picocli/src/test/java/sop/cli/picocli/commands/EncryptCmdTest.java
View file

@ -22,6 +22,7 @@ import org.junit.jupiter.api.Test;
import sop.Ready;
import sop.SOP;
import sop.cli.picocli.SopCLI;
import sop.cli.picocli.TestFileUtil;
import sop.enums.EncryptAs;
import sop.exception.SOPGPException;
import sop.operation.Encrypt;
@ -67,35 +68,36 @@ public class EncryptCmdTest {
}
@Test
public void as_modeIsPassedDown() throws SOPGPException.UnsupportedOption {
public void as_modeIsPassedDown() throws SOPGPException.UnsupportedOption, IOException {
File passwordFile = TestFileUtil.writeTempStringFile("0rbit");
for (EncryptAs mode : EncryptAs.values()) {
SopCLI.main(new String[] {"encrypt", "--as", mode.name(), "--with-password", "0rbit"});
SopCLI.main(new String[] {"encrypt", "--as", mode.name(), "--with-password", passwordFile.getAbsolutePath()});
verify(encrypt, times(1)).mode(mode);
}
}
@Test
@ExpectSystemExitWithStatus(31)
public void withPassword_notHumanReadablePasswordCausesExit31() throws SOPGPException.PasswordNotHumanReadable, SOPGPException.UnsupportedOption {
public void withPassword_notHumanReadablePasswordCausesExit31() throws SOPGPException.PasswordNotHumanReadable, SOPGPException.UnsupportedOption, IOException {
when(encrypt.withPassword("pretendThisIsNotReadable")).thenThrow(new SOPGPException.PasswordNotHumanReadable());
SopCLI.main(new String[] {"encrypt", "--with-password", "pretendThisIsNotReadable"});
File passwordFile = TestFileUtil.writeTempStringFile("pretendThisIsNotReadable");
SopCLI.main(new String[] {"encrypt", "--with-password", passwordFile.getAbsolutePath()});
}
@Test
@ExpectSystemExitWithStatus(37)
public void withPassword_unsupportedWithPasswordCausesExit37() throws SOPGPException.PasswordNotHumanReadable, SOPGPException.UnsupportedOption {
public void withPassword_unsupportedWithPasswordCausesExit37() throws SOPGPException.PasswordNotHumanReadable, SOPGPException.UnsupportedOption, IOException {
when(encrypt.withPassword(any())).thenThrow(new SOPGPException.UnsupportedOption("Encrypting with password not supported."));
SopCLI.main(new String[] {"encrypt", "--with-password", "orange"});
File passwordFile = TestFileUtil.writeTempStringFile("orange");
SopCLI.main(new String[] {"encrypt", "--with-password", passwordFile.getAbsolutePath()});
}
@Test
public void signWith_multipleTimesGetPassedDown() throws IOException, SOPGPException.KeyIsProtected, SOPGPException.UnsupportedAsymmetricAlgo, SOPGPException.KeyCannotSign, SOPGPException.BadData {
File keyFile1 = File.createTempFile("sign-with-1-", ".asc");
File keyFile2 = File.createTempFile("sign-with-2-", ".asc");
SopCLI.main(new String[] {"encrypt", "--with-password", "password", "--sign-with", keyFile1.getAbsolutePath(), "--sign-with", keyFile2.getAbsolutePath()});
File passwordFile = TestFileUtil.writeTempStringFile("password");
SopCLI.main(new String[] {"encrypt", "--with-password", passwordFile.getAbsolutePath(), "--sign-with", keyFile1.getAbsolutePath(), "--sign-with", keyFile2.getAbsolutePath()});
verify(encrypt, times(2)).signWith((InputStream) any());
}
@ -110,7 +112,8 @@ public class EncryptCmdTest {
public void signWith_keyIsProtectedCausesExit67() throws SOPGPException.KeyIsProtected, SOPGPException.UnsupportedAsymmetricAlgo, SOPGPException.KeyCannotSign, SOPGPException.BadData, IOException {
when(encrypt.signWith((InputStream) any())).thenThrow(new SOPGPException.KeyIsProtected());
File keyFile = File.createTempFile("sign-with", ".asc");
SopCLI.main(new String[] {"encrypt", "--sign-with", keyFile.getAbsolutePath(), "--with-password", "starship"});
File passwordFile = TestFileUtil.writeTempStringFile("starship");
SopCLI.main(new String[] {"encrypt", "--sign-with", keyFile.getAbsolutePath(), "--with-password", passwordFile.getAbsolutePath()});
}
@Test
@ -118,7 +121,8 @@ public class EncryptCmdTest {
public void signWith_unsupportedAsymmetricAlgoCausesExit13() throws SOPGPException.KeyIsProtected, SOPGPException.UnsupportedAsymmetricAlgo, SOPGPException.KeyCannotSign, SOPGPException.BadData, IOException {
when(encrypt.signWith((InputStream) any())).thenThrow(new SOPGPException.UnsupportedAsymmetricAlgo("Unsupported asymmetric algorithm.", new Exception()));
File keyFile = File.createTempFile("sign-with", ".asc");
SopCLI.main(new String[] {"encrypt", "--with-password", "123456", "--sign-with", keyFile.getAbsolutePath()});
File passwordFile = TestFileUtil.writeTempStringFile("123456");
SopCLI.main(new String[] {"encrypt", "--with-password", passwordFile.getAbsolutePath(), "--sign-with", keyFile.getAbsolutePath()});
}
@Test
@ -126,7 +130,8 @@ public class EncryptCmdTest {
public void signWith_certCannotSignCausesExit1() throws IOException, SOPGPException.KeyIsProtected, SOPGPException.UnsupportedAsymmetricAlgo, SOPGPException.KeyCannotSign, SOPGPException.BadData {
when(encrypt.signWith((InputStream) any())).thenThrow(new SOPGPException.KeyCannotSign());
File keyFile = File.createTempFile("sign-with", ".asc");
SopCLI.main(new String[] {"encrypt", "--with-password", "dragon", "--sign-with", keyFile.getAbsolutePath()});
File passwordFile = TestFileUtil.writeTempStringFile("dragon");
SopCLI.main(new String[] {"encrypt", "--with-password", passwordFile.getAbsolutePath(), "--sign-with", keyFile.getAbsolutePath()});
}
@Test
@ -134,7 +139,8 @@ public class EncryptCmdTest {
public void signWith_badDataCausesExit41() throws SOPGPException.KeyIsProtected, SOPGPException.UnsupportedAsymmetricAlgo, SOPGPException.KeyCannotSign, SOPGPException.BadData, IOException {
when(encrypt.signWith((InputStream) any())).thenThrow(new SOPGPException.BadData(new IOException()));
File keyFile = File.createTempFile("sign-with", ".asc");
SopCLI.main(new String[] {"encrypt", "--with-password", "orange", "--sign-with", keyFile.getAbsolutePath()});
File passwordFile = TestFileUtil.writeTempStringFile("orange");
SopCLI.main(new String[] {"encrypt", "--with-password", passwordFile.getAbsolutePath(), "--sign-with", keyFile.getAbsolutePath()});
}
@Test
@ -168,14 +174,16 @@ public class EncryptCmdTest {
}
@Test
public void noArmor_notCalledByDefault() {
SopCLI.main(new String[] {"encrypt", "--with-password", "clownfish"});
public void noArmor_notCalledByDefault() throws IOException {
File passwordFile = TestFileUtil.writeTempStringFile("clownfish");
SopCLI.main(new String[] {"encrypt", "--with-password", passwordFile.getAbsolutePath()});
verify(encrypt, never()).noArmor();
}
@Test
public void noArmor_callGetsPassedDown() {
SopCLI.main(new String[] {"encrypt", "--with-password", "monkey", "--no-armor"});
public void noArmor_callGetsPassedDown() throws IOException {
File passwordFile = TestFileUtil.writeTempStringFile("monkey");
SopCLI.main(new String[] {"encrypt", "--with-password", passwordFile.getAbsolutePath(), "--no-armor"});
verify(encrypt, times(1)).noArmor();
}
@ -188,7 +196,7 @@ public class EncryptCmdTest {
throw new IOException();
}
});
SopCLI.main(new String[] {"encrypt", "--with-password", "wildcat"});
File passwordFile = TestFileUtil.writeTempStringFile("wildcat");
SopCLI.main(new String[] {"encrypt", "--with-password", passwordFile.getAbsolutePath()});
}
}

14
sop-java-picocli/src/test/java/sop/cli/picocli/commands/VersionCmdTest.java
View file

@ -26,6 +26,8 @@ public class VersionCmdTest {
version = mock(Version.class);
when(version.getName()).thenReturn("MockSop");
when(version.getVersion()).thenReturn("1.0");
when(version.getExtendedVersion()).thenReturn("MockSop Extended Version Information");
when(version.getBackendVersion()).thenReturn("Foo");
when(sop.version()).thenReturn(version);
SopCLI.setSopInstance(sop);
@ -38,6 +40,18 @@ public class VersionCmdTest {
verify(version, times(1)).getName();
}
@Test
public void assertExtendedVersionCommandWorks() {
SopCLI.main(new String[] {"version", "--extended"});
verify(version, times(1)).getExtendedVersion();
}
@Test
public void assertBackendVersionCommandWorks() {
SopCLI.main(new String[] {"version", "--backend"});
verify(version, times(1)).getBackendVersion();
}
@Test
@ExpectSystemExitWithStatus(37)
public void assertInvalidOptionResultsInExit37() {

16
sop-java/src/main/java/sop/exception/SOPGPException.java
View file

@ -128,6 +128,10 @@ public abstract class SOPGPException extends RuntimeException {
public static final int EXIT_CODE = 31;
public PasswordNotHumanReadable() {
super();
}
@Override
public int getExitCode() {
return EXIT_CODE;
@ -162,12 +166,16 @@ public abstract class SOPGPException extends RuntimeException {
public static final int EXIT_CODE = 41;
public BadData(Throwable e) {
super(e);
public BadData(String message) {
super(message);
}
public BadData(String message, BadData badData) {
super(message, badData);
public BadData(Throwable throwable) {
super(throwable);
}
public BadData(String message, Throwable throwable) {
super(message, throwable);
}
@Override

39
sop-java/src/main/java/sop/util/UTF8Util.java Normal file
View file

@ -0,0 +1,39 @@
// SPDX-FileCopyrightText: 2022 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
package sop.util;
import sop.exception.SOPGPException;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.CharacterCodingException;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CodingErrorAction;
public class UTF8Util {
private static final CharsetDecoder UTF8Decoder = Charset.forName("UTF8")
.newDecoder()
.onUnmappableCharacter(CodingErrorAction.REPORT)
.onMalformedInput(CodingErrorAction.REPORT);
/**
* Detect non-valid UTF8 data.
*
* @see <a href="https://stackoverflow.com/a/1471193">ante on StackOverflow</a>
* @param data
* @return
*/
public static String decodeUTF8(byte[] data) {
ByteBuffer byteBuffer = ByteBuffer.wrap(data);
try {
CharBuffer charBuffer = UTF8Decoder.decode(byteBuffer);
return charBuffer.toString();
} catch (CharacterCodingException e) {
throw new SOPGPException.PasswordNotHumanReadable();
}
}
}

39
sop-java/src/test/java/sop/util/UTF8UtilTest.java Normal file
View file

@ -0,0 +1,39 @@
// SPDX-FileCopyrightText: 2022 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
package sop.util;
import org.junit.jupiter.api.Test;
import sop.exception.SOPGPException;
import java.nio.charset.StandardCharsets;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
public class UTF8UtilTest {
@Test
public void testValidUtf8Decoding() {
String utf8String = "Hello, World\n";
String decoded = UTF8Util.decodeUTF8(utf8String.getBytes(StandardCharsets.UTF_8));
assertEquals(utf8String, decoded);
}
/**
* Test detection of non-uft8 data.
* @see <a href="https://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt">
* Markus Kuhn's UTF8 decoder capability and stress test file</a>
*/
@Test
public void testInvalidUtf8StringThrows() {
assertThrows(SOPGPException.PasswordNotHumanReadable.class,
() -> UTF8Util.decodeUTF8(new byte[] {(byte) 0xa0, (byte) 0xa1}));
assertThrows(SOPGPException.PasswordNotHumanReadable.class,
() -> UTF8Util.decodeUTF8(new byte[] {(byte) 0xc0, (byte) 0xaf}));
assertThrows(SOPGPException.PasswordNotHumanReadable.class,
() -> UTF8Util.decodeUTF8(new byte[] {(byte) 0x80, (byte) 0xbf}));
}
}