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[Kerberos] Remove Kerberos bootstrap checks #32451

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merged 2 commits into from
Jul 31, 2018
Merged

[Kerberos] Remove Kerberos bootstrap checks #32451

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1014f0d
[Kerberos] Remove Kerberos bootstrap checks
Jul 28, 2018
af5d5c0
[Kerberos] Address review comments.
Jul 30, 2018
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4 changes: 1 addition & 3 deletions x-pack/plugin/security/src/main/java/org/elasticsearch/xpack/security/Security.java
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Original file line number Diff line number Diff line change
Expand Up @@ -176,7 +176,6 @@
import org.elasticsearch.xpack.security.authc.TokenService;
import org.elasticsearch.xpack.security.authc.esnative.NativeUsersStore;
import org.elasticsearch.xpack.security.authc.esnative.ReservedRealm;
import org.elasticsearch.xpack.security.authc.kerberos.KerberosRealmBootstrapCheck;
import org.elasticsearch.xpack.security.authc.support.mapper.NativeRoleMappingStore;
import org.elasticsearch.xpack.security.authz.AuthorizationService;
import org.elasticsearch.xpack.security.authz.SecuritySearchOperationListener;
Expand Down Expand Up @@ -306,8 +305,7 @@ public Security(Settings settings, final Path configPath) {
new PasswordHashingAlgorithmBootstrapCheck(),
new FIPS140SecureSettingsBootstrapCheck(settings, env),
new FIPS140JKSKeystoreBootstrapCheck(settings),
new FIPS140PasswordHashingAlgorithmBootstrapCheck(settings),
new KerberosRealmBootstrapCheck(env)));
new FIPS140PasswordHashingAlgorithmBootstrapCheck(settings)));
checks.addAll(InternalRealms.getBootstrapChecks(settings, env));
this.bootstrapChecks = Collections.unmodifiableList(checks);
Automatons.updateMaxDeterminizedStates(settings);
Expand Down
9 changes: 9 additions & 0 deletions x-pack/plugin/security/src/main/java/org/elasticsearch/xpack/security/authc/Realms.java
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Expand Up @@ -35,6 +35,7 @@
import org.elasticsearch.xpack.core.security.authc.esnative.NativeRealmSettings;
import org.elasticsearch.xpack.security.authc.esnative.ReservedRealm;
import org.elasticsearch.xpack.core.security.authc.file.FileRealmSettings;
import org.elasticsearch.xpack.core.security.authc.kerberos.KerberosRealmSettings;


/**
Expand Down Expand Up @@ -152,6 +153,7 @@ protected List<Realm> initRealms() throws Exception {
Settings realmsSettings = RealmSettings.get(settings);
Set<String> internalTypes = new HashSet<>();
List<Realm> realms = new ArrayList<>();
List<String> kerberosRealmNames = new ArrayList<>();
for (String name : realmsSettings.names()) {
Settings realmSettings = realmsSettings.getAsSettings(name);
String type = realmSettings.get("type");
Expand All @@ -178,6 +180,13 @@ protected List<Realm> initRealms() throws Exception {
}
internalTypes.add(type);
}
if (KerberosRealmSettings.TYPE.equals(type)) {
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as a followup PR to this change, lets combine the logic with the internalTypes logic and we can just have the same message that we're using for kerberos.

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Yes, we can discuss this and I will raise followup PR. Thank you.

kerberosRealmNames.add(name);
if (kerberosRealmNames.size() > 1) {
throw new IllegalArgumentException("multiple realms " + kerberosRealmNames.toString() + " configured of type [" + type
+ "], [" + type + "] can only have one such realm configured");
}
}
realms.add(factory.create(config));
}

Expand Down
11 changes: 11 additions & 0 deletions ...security/src/main/java/org/elasticsearch/xpack/security/authc/kerberos/KerberosRealm.java
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@
import org.elasticsearch.xpack.security.authc.support.mapper.NativeRoleMappingStore;
import org.ietf.jgss.GSSException;

import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Collections;
import java.util.List;
Expand Down Expand Up @@ -87,6 +88,16 @@ public KerberosRealm(final RealmConfig config, final NativeRoleMappingStore nati
this.kerberosTicketValidator = kerberosTicketValidator;
this.threadPool = threadPool;
this.keytabPath = config.env().configFile().resolve(KerberosRealmSettings.HTTP_SERVICE_KEYTAB_PATH.get(config.settings()));

if (Files.exists(keytabPath) == false) {
throw new IllegalArgumentException("configured service key tab file [" + keytabPath + "] does not exist");
}
if (Files.isDirectory(keytabPath)) {
throw new IllegalArgumentException("configured service key tab file [" + keytabPath + "] is a directory");
}
if (Files.isReadable(keytabPath) == false) {
throw new IllegalArgumentException("configured service key tab file [" + keytabPath + "] must have read permission");
}
this.enableKerberosDebug = KerberosRealmSettings.SETTING_KRB_DEBUG_ENABLE.get(config.settings());
this.removeRealmName = KerberosRealmSettings.SETTING_REMOVE_REALM_NAME.get(config.settings());
}
Expand Down
69 changes: 0 additions & 69 deletions ...ain/java/org/elasticsearch/xpack/security/authc/kerberos/KerberosRealmBootstrapCheck.java
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44 changes: 31 additions & 13 deletions x-pack/plugin/security/src/test/java/org/elasticsearch/xpack/security/authc/RealmsTests.java
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@
import org.elasticsearch.xpack.security.authc.esnative.ReservedRealm;
import org.junit.Before;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
Expand All @@ -51,13 +52,16 @@ public class RealmsTests extends ESTestCase {
private XPackLicenseState licenseState;
private ThreadContext threadContext;
private ReservedRealm reservedRealm;
private int randomRealmTypesCount;

@Before
public void init() throws Exception {
factories = new HashMap<>();
factories.put(FileRealmSettings.TYPE, config -> new DummyRealm(FileRealmSettings.TYPE, config));
factories.put(NativeRealmSettings.TYPE, config -> new DummyRealm(NativeRealmSettings.TYPE, config));
for (int i = 0; i < randomIntBetween(1, 5); i++) {
factories.put(KerberosRealmSettings.TYPE, config -> new DummyRealm(KerberosRealmSettings.TYPE, config));
randomRealmTypesCount = randomIntBetween(1, 5);
for (int i = 0; i < randomRealmTypesCount; i++) {
String name = "type_" + i;
factories.put(name, config -> new DummyRealm(name, config));
}
Expand All @@ -73,13 +77,13 @@ public void init() throws Exception {
public void testWithSettings() throws Exception {
Settings.Builder builder = Settings.builder()
.put("path.home", createTempDir());
List<Integer> orders = new ArrayList<>(factories.size() - 2);
for (int i = 0; i < factories.size() - 2; i++) {
List<Integer> orders = new ArrayList<>(randomRealmTypesCount);
for (int i = 0; i < randomRealmTypesCount; i++) {
orders.add(i);
}
Collections.shuffle(orders, random());
Map<Integer, Integer> orderToIndex = new HashMap<>();
for (int i = 0; i < factories.size() - 2; i++) {
for (int i = 0; i < randomRealmTypesCount; i++) {
builder.put("xpack.security.authc.realms.realm_" + i + ".type", "type_" + i);
builder.put("xpack.security.authc.realms.realm_" + i + ".order", orders.get(i));
orderToIndex.put(orders.get(i), i);
Expand Down Expand Up @@ -107,14 +111,14 @@ public void testWithSettings() throws Exception {
public void testWithSettingsWhereDifferentRealmsHaveSameOrder() throws Exception {
Settings.Builder builder = Settings.builder()
.put("path.home", createTempDir());
List<Integer> randomSeq = new ArrayList<>(factories.size() - 2);
for (int i = 0; i < factories.size() - 2; i++) {
List<Integer> randomSeq = new ArrayList<>(randomRealmTypesCount);
for (int i = 0; i < randomRealmTypesCount; i++) {
randomSeq.add(i);
}
Collections.shuffle(randomSeq, random());

TreeMap<String, Integer> nameToRealmId = new TreeMap<>();
for (int i = 0; i < factories.size() - 2; i++) {
for (int i = 0; i < randomRealmTypesCount; i++) {
int randomizedRealmId = randomSeq.get(i);
String randomizedRealmName = randomAlphaOfLengthBetween(12,32);
nameToRealmId.put("realm_" + randomizedRealmName, randomizedRealmId);
Expand Down Expand Up @@ -181,13 +185,13 @@ public void testWithEmptySettings() throws Exception {
public void testUnlicensedWithOnlyCustomRealms() throws Exception {
Settings.Builder builder = Settings.builder()
.put("path.home", createTempDir());
List<Integer> orders = new ArrayList<>(factories.size() - 2);
for (int i = 0; i < factories.size() - 2; i++) {
List<Integer> orders = new ArrayList<>(randomRealmTypesCount);
for (int i = 0; i < randomRealmTypesCount; i++) {
orders.add(i);
}
Collections.shuffle(orders, random());
Map<Integer, Integer> orderToIndex = new HashMap<>();
for (int i = 0; i < factories.size() - 2; i++) {
for (int i = 0; i < randomRealmTypesCount; i++) {
builder.put("xpack.security.authc.realms.realm_" + i + ".type", "type_" + i);
builder.put("xpack.security.authc.realms.realm_" + i + ".order", orders.get(i));
orderToIndex.put(orders.get(i), i);
Expand Down Expand Up @@ -384,13 +388,13 @@ public void testUnlicensedWithNonStandardRealms() throws Exception {
public void testDisabledRealmsAreNotAdded() throws Exception {
Settings.Builder builder = Settings.builder()
.put("path.home", createTempDir());
List<Integer> orders = new ArrayList<>(factories.size() - 2);
for (int i = 0; i < factories.size() - 2; i++) {
List<Integer> orders = new ArrayList<>(randomRealmTypesCount);
for (int i = 0; i < randomRealmTypesCount; i++) {
orders.add(i);
}
Collections.shuffle(orders, random());
Map<Integer, Integer> orderToIndex = new HashMap<>();
for (int i = 0; i < factories.size() - 2; i++) {
for (int i = 0; i < randomRealmTypesCount; i++) {
builder.put("xpack.security.authc.realms.realm_" + i + ".type", "type_" + i);
builder.put("xpack.security.authc.realms.realm_" + i + ".order", orders.get(i));
boolean enabled = randomBoolean();
Expand Down Expand Up @@ -520,6 +524,20 @@ public void testUsageStats() throws Exception {
}
}

public void testInitRealmsFailsForMultipleKerberosRealms() throws IOException {
final Settings.Builder builder = Settings.builder().put("path.home", createTempDir());
builder.put("xpack.security.authc.realms.realm_1.type", "kerberos");
builder.put("xpack.security.authc.realms.realm_1.order", 1);
builder.put("xpack.security.authc.realms.realm_2.type", "kerberos");
builder.put("xpack.security.authc.realms.realm_2.order", 2);
final Settings settings = builder.build();
Environment env = TestEnvironment.newEnvironment(settings);
final IllegalArgumentException iae = expectThrows(IllegalArgumentException.class,
() -> new Realms(settings, env, factories, licenseState, threadContext, reservedRealm));
assertThat(iae.getMessage(), is(equalTo(
"multiple realms [realm_1, realm_2] configured of type [kerberos], [kerberos] can only have one such realm configured")));
}

static class DummyRealm extends Realm {

DummyRealm(String type, RealmConfig config) {
Expand Down
114 changes: 0 additions & 114 deletions ...ava/org/elasticsearch/xpack/security/authc/kerberos/KerberosRealmBootstrapCheckTests.java
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