SERVER-48693 Add network counter for cluster authentication

14 files changed, 335 insertions, 115 deletions

diff --git a/jstests/auth/auth-counters.js b/jstests/auth/auth-counters.js
index bbb66a619ae..f3f2af6a758 100644
--- a/jstests/auth/auth-counters.js
+++ b/jstests/auth/auth-counters.js
@@ -3,9 +3,15 @@
 (function() {
 'use strict';
 
-const mongod = MongoRunner.runMongod({auth: ''});
-const admin = mongod.getDB('admin');
-const test = mongod.getDB('test');
+const keyfile = 'jstests/libs/key1';
+const badKeyfile = 'jstests/libs/key2';
+let replTest = new ReplSetTest({nodes: 1, keyFile: keyfile, nodeOptions: {auth: ""}});
+replTest.startSet();
+replTest.initiate();
+let primary = replTest.getPrimary();
+
+const admin = primary.getDB('admin');
+const test = primary.getDB('test');
 
 admin.createUser({user: 'admin', pwd: 'pwd', roles: ['root'], mechanisms: ['SCRAM-SHA-256']});
 admin.auth('admin', 'pwd');
@@ -15,21 +21,22 @@ test.createUser({user: 'user256', pwd: 'pwd', roles: [], mechanisms: ['SCRAM-SHA
 test.createUser(
     {user: 'user', pwd: 'pwd', roles: [], mechanisms: ['SCRAM-SHA-1', 'SCRAM-SHA-256']});
 
-// admin.auth() above provides an initial count for SCRAM-SHA-256
-const expected = {
-    'SCRAM-SHA-256': {
-        received: 1,
-        successful: 1,
-    },
-};
+// Count the number of authentications performed during setup
+const expected =
+    assert.commandWorked(admin.runCommand({serverStatus: 1})).security.authentication.mechanisms;
 
 function assertStats() {
     const mechStats = assert.commandWorked(admin.runCommand({serverStatus: 1}))
                           .security.authentication.mechanisms;
     Object.keys(expected).forEach(function(mech) {
         try {
-            assert.eq(mechStats[mech].authenticate.received, expected[mech].received);
-            assert.eq(mechStats[mech].authenticate.successful, expected[mech].successful);
+            assert.eq(mechStats[mech].authenticate.received, expected[mech].authenticate.received);
+            assert.eq(mechStats[mech].authenticate.successful,
+                      expected[mech].authenticate.successful);
+            assert.eq(mechStats[mech].clusterAuthenticate.received,
+                      expected[mech].clusterAuthenticate.received);
+            assert.eq(mechStats[mech].clusterAuthenticate.successful,
+                      expected[mech].clusterAuthenticate.successful);
         } catch (e) {
             print("Mechanism: " + mech);
             print("mechStats: " + tojson(mechStats));
@@ -39,23 +46,42 @@ function assertStats() {
     });
 }
 
-function assertSuccess(creds, mech) {
-    if (expected[mech] === undefined) {
-        expected[mech] = {received: 0, successful: 0};
+function assertSuccess(creds, mech, db = test) {
+    assert.eq(db.auth(creds), true);
+    if (db !== admin) {
+        db.logout();
     }
-    assert.eq(test.auth(creds), true);
-    test.logout();
-    ++expected[mech].received;
-    ++expected[mech].successful;
+    ++expected[mech].authenticate.received;
+    ++expected[mech].authenticate.successful;
     assertStats();
 }
 
-function assertFailure(creds, mech) {
-    if (expected[mech] === undefined) {
-        expected[mech] = {received: 0, successful: 0};
-    }
-    assert.eq(test.auth(creds), false);
-    ++expected[mech].received;
+function assertFailure(creds, mech, db = test) {
+    assert.eq(db.auth(creds), false);
+    ++expected[mech].authenticate.received;
+    assertStats();
+}
+
+function assertSuccessInternal() {
+    const mech = "SCRAM-SHA-1";
+    // asCluster exiting cleanly indicates successful auth
+    assert.eq(authutil.asCluster(replTest.nodes, keyfile, () => true), true);
+    ++expected[mech].authenticate.received;
+    ++expected[mech].authenticate.successful;
+    ++expected[mech].clusterAuthenticate.received;
+    ++expected[mech].clusterAuthenticate.successful;
+    // we have to re-auth as admin to get stats, which are validated at the end of assertSuccess
+    assertSuccess({user: 'admin', pwd: 'pwd'}, 'SCRAM-SHA-256', admin);
+}
+
+function assertFailureInternal() {
+    const mech = "SCRAM-SHA-1";
+    // If asCluster fails, it explodes.
+    assert.throws(authutil.asCluster, [replTest.nodes, badKeyfile, () => true]);
+    ++expected[mech].authenticate.received;
+    ++expected[mech].clusterAuthenticate.received;
+    // we have to re-auth as admin to get stats, which are validated at the end of assertSuccess
+    assertSuccess({user: 'admin', pwd: 'pwd'}, 'SCRAM-SHA-256', admin);
     assertStats();
 }
 
@@ -86,9 +112,16 @@ assertFailure({user: 'user', pwd: 'haxx', mechanism: 'SCRAM-SHA-1'}, 'SCRAM-SHA-
 assertFailure({user: 'user1', pwd: 'pwd', mechanism: 'SCRAM-SHA-256'}, 'SCRAM-SHA-256');
 assertFailure({user: 'user256', pwd: 'pwd', mechanism: 'SCRAM-SHA-1'}, 'SCRAM-SHA-1');
 
+// Cluster auth counter checks.
+assertSuccessInternal();
+assertFailureInternal();
+
+// Need to auth as admin one more time to get final stats.
+admin.auth('admin', 'pwd');
+
 const finalStats =
     assert.commandWorked(admin.runCommand({serverStatus: 1})).security.authentication.mechanisms;
-MongoRunner.stopMongod(mongod);
+replTest.stopSet();
 
 printjson(finalStats);
 })();
diff --git a/jstests/auth/speculative-auth-replset.js b/jstests/auth/speculative-auth-replset.js
index dfa985321a3..d6f9a52c03a 100644
--- a/jstests/auth/speculative-auth-replset.js
+++ b/jstests/auth/speculative-auth-replset.js
@@ -39,14 +39,17 @@ const mechStats =
 printjson(mechStats);
 assert(mechStats['SCRAM-SHA-256'] !== undefined);
 Object.keys(mechStats).forEach(function(mech) {
-    const stats = mechStats[mech].speculativeAuthenticate;
+    const specStats = mechStats[mech].speculativeAuthenticate;
+    const clusterStats = mechStats[mech].clusterAuthenticate;
 
     if (mech === 'SCRAM-SHA-256') {
-        assert.gte(stats.received, 2);
+        assert.gte(specStats.received, 2);
+        assert.gte(clusterStats.received, 2);
     } else {
-        assert.eq(stats.received, 0);
+        assert.eq(specStats.received, 0);
     }
-    assert.eq(stats.received, stats.successful);
+    assert.eq(specStats.received, specStats.successful);
+    assert.eq(clusterStats.received, clusterStats.successful);
 });
 
 test(baseURI);
diff --git a/jstests/auth/speculative-auth-sharding.js b/jstests/auth/speculative-auth-sharding.js
index 008eafac08d..d8bcae94ed9 100644
--- a/jstests/auth/speculative-auth-sharding.js
+++ b/jstests/auth/speculative-auth-sharding.js
@@ -20,26 +20,37 @@ let lastStats =
     assert.commandWorked(admin.runCommand({serverStatus: 1})).security.authentication.mechanisms;
 jsTest.log('Inintial stats: ' + lastStats);
 
-function test(uri, incrMech) {
+function test(uri, incrMech, isClusterAuth = false) {
     jsTest.log('Connecting to: ' + uri);
     assert.eq(runMongoProgram('mongo', uri, '--eval', ';'), 0);
 
     const stats = assert.commandWorked(admin.runCommand({serverStatus: 1}))
                       .security.authentication.mechanisms;
-    assert.eq(Object.keys(lastStats).length, Object.keys(stats).length);
-    Object.keys(lastStats).forEach(function(mech) {
-        const inc = (mech == incrMech) ? 1 : 0;
-
-        const specBefore = lastStats[mech].speculativeAuthenticate;
-        const specAfter = stats[mech].speculativeAuthenticate;
-        assert.eq(specAfter.received, specBefore.received + inc);
-        assert.eq(specAfter.successful, specBefore.successful + inc);
-
-        const allBefore = lastStats[mech].authenticate;
-        const allAfter = stats[mech].authenticate;
-        assert.eq(allAfter.received, allBefore.received + inc);
-        assert.eq(allAfter.successful, allBefore.successful + inc);
-    });
+    try {
+        assert.eq(Object.keys(lastStats).length, Object.keys(stats).length);
+        Object.keys(lastStats).forEach(function(mech) {
+            const inc = (mech === incrMech) ? 1 : 0;
+            const clusterInc = (mech === incrMech && isClusterAuth) ? 1 : 0;
+
+            const specBefore = lastStats[mech].speculativeAuthenticate;
+            const specAfter = stats[mech].speculativeAuthenticate;
+            assert.eq(specAfter.received, specBefore.received + inc);
+            assert.eq(specAfter.successful, specBefore.successful + inc);
+
+            const clusterBefore = lastStats[mech].clusterAuthenticate;
+            const clusterAfter = stats[mech].clusterAuthenticate;
+            assert.eq(clusterAfter.received, clusterBefore.received + clusterInc);
+            assert.eq(clusterAfter.successful, clusterBefore.successful + clusterInc);
+
+            const allBefore = lastStats[mech].authenticate;
+            const allAfter = stats[mech].authenticate;
+            assert.eq(allAfter.received, allBefore.received + inc);
+            assert.eq(allAfter.successful, allBefore.successful + inc);
+        });
+    } catch (e) {
+        print("Stats: " + tojson(stats));
+        throw e;
+    }
     lastStats = stats;
 }
 
@@ -48,6 +59,10 @@ const baseURI = 'mongodb://admin:pwd@' + st.s.host + '/admin';
 test(baseURI, fallbackMech);
 test(baseURI + '?authMechanism=SCRAM-SHA-1', 'SCRAM-SHA-1');
 test(baseURI + '?authMechanism=SCRAM-SHA-256', 'SCRAM-SHA-256');
+const systemPass = cat(keyfile).replace(/\s/g, '');
+test('mongodb://__system:' + systemPass + '@' + st.s.host + '/admin?authMechanisms=SCRAM-SHA-256',
+     'SCRAM-SHA-256',
+     true);
 
 admin.logout();
 st.stop();
diff --git a/jstests/auth/speculative-sasl-start.js b/jstests/auth/speculative-sasl-start.js
index 8db5d03dcb7..1518cceeb01 100644
--- a/jstests/auth/speculative-sasl-start.js
+++ b/jstests/auth/speculative-sasl-start.js
@@ -3,7 +3,8 @@
 (function() {
 'use strict';
 
-const mongod = MongoRunner.runMongod({auth: ''});
+const keyFile = 'jstests/libs/key1';
+const mongod = MongoRunner.runMongod({auth: '', keyFile: keyFile});
 const admin = mongod.getDB('admin');
 
 admin.createUser(
@@ -35,10 +36,22 @@ assertStats(function(mechStats) {
     });
 });
 
-function expectN(mechStats, mech, N, M) {
-    const stats = mechStats[mech].speculativeAuthenticate;
-    assert.eq(N, stats.received);
-    assert.eq(M, stats.successful);
+// No "intra-cluster" auth attempts yet.
+assertStats(function(mechStats) {
+    Object.keys(mechStats).forEach(function(mech) {
+        const stats = mechStats[mech].clusterAuthenticate;
+        assert.eq(stats.received, 0);
+        assert.eq(stats.successful, 0);
+    });
+});
+
+function expectN(mechStats, mech, N1, M1, N2 = 0, M2 = 0) {
+    const specStats = mechStats[mech].speculativeAuthenticate;
+    const clusterStats = mechStats[mech].clusterAuthenticate;
+    assert.eq(N1, specStats.received);
+    assert.eq(M1, specStats.successful);
+    assert.eq(N2, clusterStats.received);
+    assert.eq(M2, clusterStats.successful);
 }
 
 const baseOKURI = 'mongodb://admin:pwd@localhost:' + mongod.port + '/admin';
@@ -97,5 +110,16 @@ mongod.getDB('test').createUser({user: 'alice', pwd: 'secret', roles: []});
 test('mongodb://alice:secret@localhost:' + mongod.port + '/test', true);
 assertStats((s) => expectN(s, 'SCRAM-SHA-256', 7, 3));
 
+// Test "intra-cluster" speculative authentication.
+const systemPass = cat(keyFile).replace(/\s/g, '');
+test('mongodb://__system:' + systemPass + '@localhost:' + mongod.port + '/admin' +
+         '?authMechanism=SCRAM-SHA-256',
+     true);
+assertStats((s) => expectN(s, 'SCRAM-SHA-256', 8, 4, 1, 1));
+test('mongodb://__system:hunter2@localhost:' + mongod.port + '/admin' +
+         '?authMechanism=SCRAM-SHA-256',
+     false);
+assertStats((s) => expectN(s, 'SCRAM-SHA-256', 9, 4, 3, 1));
+
 MongoRunner.stopMongod(mongod);
 })();
diff --git a/jstests/ssl/auth-counters.js b/jstests/ssl/auth-counters.js
index 6eaafa3735e..04274ef8578 100644
--- a/jstests/ssl/auth-counters.js
+++ b/jstests/ssl/auth-counters.js
@@ -3,11 +3,13 @@
 (function() {
 'use strict';
 
+const x509 = "MONGODB-X509";
 const mongod = MongoRunner.runMongod({
     auth: '',
     tlsMode: 'requireTLS',
     tlsCertificateKeyFile: 'jstests/libs/server.pem',
     tlsCAFile: 'jstests/libs/ca.pem',
+    clusterAuthMode: "x509",
 });
 const admin = mongod.getDB('admin');
 const external = mongod.getDB('$external');
@@ -20,46 +22,79 @@ external.createUser({user: X509USER, roles: []});
 
 // This test ignores counters for SCRAM-SHA-*.
 // For those, see jstests/auth/auth-counters.js
-const expected = {
-    received: 0,
-    successful: 0
-};
+const expected = assert.commandWorked(admin.runCommand({serverStatus: 1}))
+                     .security.authentication.mechanisms[x509];
 
 function assertStats() {
     const mechStats = assert.commandWorked(admin.runCommand({serverStatus: 1}))
-                          .security.authentication.mechanisms['MONGODB-X509']
-                          .authenticate;
-    assert.eq(mechStats.received, expected.received);
-    assert.eq(mechStats.successful, expected.successful);
+                          .security.authentication.mechanisms[x509];
+    try {
+        assert.eq(mechStats.authenticate.received, expected.authenticate.received);
+        assert.eq(mechStats.authenticate.successful, expected.authenticate.successful);
+        assert.eq(mechStats.clusterAuthenticate.received, expected.clusterAuthenticate.received);
+        assert.eq(mechStats.clusterAuthenticate.successful,
+                  expected.clusterAuthenticate.successful);
+    } catch (e) {
+        print("mechStats: " + tojson(mechStats));
+        print("expected: " + tojson(expected));
+        throw e;
+    }
 }
 
 function assertSuccess(creds) {
     assert.eq(external.auth(creds), true);
     external.logout();
-    ++expected.received;
-    ++expected.successful;
+    ++expected.authenticate.received;
+    ++expected.authenticate.successful;
     assertStats();
 }
 
 function assertFailure(creds) {
     assert.eq(external.auth(creds), false);
-    ++expected.received;
+    ++expected.authenticate.received;
+    assertStats();
+}
+
+function assertSuccessInternal() {
+    assert.eq(runMongoProgram("mongo",
+                              "--tls",
+                              "--port",
+                              mongod.port,
+                              "--tlsCertificateKeyFile",
+                              "jstests/libs/server.pem",
+                              "--tlsCAFile",
+                              "jstests/libs/ca.pem",
+                              "--authenticationDatabase",
+                              "$external",
+                              "--authenticationMechanism",
+                              "MONGODB-X509",
+                              "--eval",
+                              ";"),
+              0);
+    ++expected.authenticate.received;
+    ++expected.authenticate.successful;
+    ++expected.clusterAuthenticate.received;
+    ++expected.clusterAuthenticate.successful;
     assertStats();
 }
 
 // User from certificate should work.
-assertSuccess({mechanism: 'MONGODB-X509'});
+assertSuccess({mechanism: x509});
 
 // Explicitly named user.
-assertSuccess({user: X509USER, mechanism: 'MONGODB-X509'});
+assertSuccess({user: X509USER, mechanism: x509});
+
+// Cluster auth counter checks.
+// We can't test failures with the __system user without the handshake failing,
+// which won't increment the counters.
+assertSuccessInternal();
 
 // Fails once the user no longer exists.
 external.dropUser(X509USER);
-assertFailure({mechanism: 'MONGODB-X509'});
+assertFailure({mechanism: x509});
 
 const finalStats =
     assert.commandWorked(admin.runCommand({serverStatus: 1})).security.authentication.mechanisms;
 MongoRunner.stopMongod(mongod);
-
 printjson(finalStats);
 })();
diff --git a/jstests/ssl/speculative-auth-replset.js b/jstests/ssl/speculative-auth-replset.js
index 3c10b53b678..d23ad32802b 100644
--- a/jstests/ssl/speculative-auth-replset.js
+++ b/jstests/ssl/speculative-auth-replset.js
@@ -37,13 +37,16 @@ const mechStats =
 printjson(mechStats);
 assert(mechStats['MONGODB-X509'] !== undefined);
 Object.keys(mechStats).forEach(function(mech) {
-    const stats = mechStats[mech].speculativeAuthenticate;
+    const specStats = mechStats[mech].speculativeAuthenticate;
+    const clusterStats = mechStats[mech].clusterAuthenticate;
     if (mech === 'MONGODB-X509') {
-        assert.gte(stats.received, 2);
+        assert.gte(specStats.received, 2);
+        assert.gte(clusterStats.received, 2);
     } else {
-        assert.eq(stats.received, 0);
+        assert.eq(specStats.received, 0);
     }
-    assert.eq(stats.received, stats.successful);
+    assert.eq(specStats.received, specStats.successful);
+    assert.eq(clusterStats.received, clusterStats.successful);
 });
 
 admin.logout();
diff --git a/jstests/ssl/speculative-auth-sharding.js b/jstests/ssl/speculative-auth-sharding.js
index 56af5fddaca..7a198c7983b 100644
--- a/jstests/ssl/speculative-auth-sharding.js
+++ b/jstests/ssl/speculative-auth-sharding.js
@@ -55,6 +55,17 @@ assert.eq(runMongoProgram('mongo',
                           '--eval',
                           ';'),
           0);
+assert.eq(runMongoProgram('mongo',
+                          uri,
+                          '--tls',
+                          '--tlsCertificateKeyFile',
+                          SERVER_CERT,
+                          '--tlsCAFile',
+                          CA_CERT,
+                          '--tlsAllowInvalidHostnames',
+                          '--eval',
+                          ';'),
+          0);
 
 const authStats = assert.commandWorked(admin.runCommand({serverStatus: 1}))
                       .security.authentication.mechanisms['MONGODB-X509'];
@@ -63,14 +74,20 @@ jsTest.log('Authenticated stats: ' + tojson(authStats));
 // Got and succeeded an additional speculation.
 const initSpec = initialStats.speculativeAuthenticate;
 const authSpec = authStats.speculativeAuthenticate;
-assert.eq(authSpec.received, initSpec.received + 1);
-assert.eq(authSpec.successful, initSpec.successful + 1);
+assert.eq(authSpec.received, initSpec.received + 2);
+assert.eq(authSpec.successful, initSpec.successful + 2);
 
 // Got and succeeded an additional auth.
 const initAuth = initialStats.authenticate;
 const authAuth = authStats.authenticate;
-assert.eq(authAuth.received, initAuth.received + 1);
-assert.eq(authAuth.successful, initAuth.successful + 1);
+assert.eq(authAuth.received, initAuth.received + 2);
+assert.eq(authAuth.successful, initAuth.successful + 2);
+
+// Got and succeeded intra-cluster auth.
+const initCluster = initialStats.clusterAuthenticate;
+const authCluster = authStats.clusterAuthenticate;
+assert.eq(authCluster.received, initCluster.received + 1);
+assert.eq(authCluster.successful, initCluster.successful + 1);
 
 /////////////////////////////////////////////////////////////////////////////
 
diff --git a/jstests/ssl/speculative-authenticate.js b/jstests/ssl/speculative-authenticate.js
index 41b7139230f..492469466df 100644
--- a/jstests/ssl/speculative-authenticate.js
+++ b/jstests/ssl/speculative-authenticate.js
@@ -8,6 +8,7 @@ const mongod = MongoRunner.runMongod({
     tlsMode: 'requireTLS',
     tlsCertificateKeyFile: 'jstests/libs/server.pem',
     tlsCAFile: 'jstests/libs/ca.pem',
+    clusterAuthMode: "x509",
 });
 const admin = mongod.getDB('admin');
 const external = mongod.getDB('$external');
@@ -32,6 +33,19 @@ function test(uri) {
     assert.eq(0, x509);
 }
 
+function testInternal(uri) {
+    const x509 = runMongoProgram('mongo',
+                                 '--tls',
+                                 '--tlsCAFile',
+                                 'jstests/libs/ca.pem',
+                                 '--tlsCertificateKeyFile',
+                                 'jstests/libs/server.pem',
+                                 uri,
+                                 '--eval',
+                                 ';');
+    assert.eq(0, x509);
+}
+
 function assertStats(cb) {
     const mechStats = assert.commandWorked(admin.runCommand({serverStatus: 1}))
                           .security.authentication.mechanisms;
@@ -64,5 +78,23 @@ assertStats(function(mechStats) {
     assert.eq(stats.successful, 1);
 });
 
+// We haven't done any cluster auth yet, so clusterAuthenticate counts should be 0
+assertStats(function(mechStats) {
+    const stats = mechStats['MONGODB-X509'].clusterAuthenticate;
+    assert.eq(stats.received, 0);
+    assert.eq(stats.successful, 0);
+});
+
+// Connect intra-cluster with speculation.
+testInternal(baseURI + '?authMechanism=MONGODB-X509');
+assertStats(function(mechStats) {
+    const specStats = mechStats['MONGODB-X509'].speculativeAuthenticate;
+    const clusterStats = mechStats['MONGODB-X509'].clusterAuthenticate;
+    assert.eq(specStats.received, 2);
+    assert.eq(specStats.successful, 2);
+    assert.eq(clusterStats.received, 1);
+    assert.eq(clusterStats.successful, 1);
+});
+
 MongoRunner.stopMongod(mongod);
 })();
diff --git a/src/mongo/client/authenticate.h b/src/mongo/client/authenticate.h
index ee50f8c8ade..44d90eae612 100644
--- a/src/mongo/client/authenticate.h
+++ b/src/mongo/client/authenticate.h
@@ -72,6 +72,7 @@ constexpr auto kMechanismMongoAWS = "MONGODB-AWS"_sd;
 constexpr auto kInternalAuthFallbackMechanism = kMechanismScramSha1;
 
 constexpr auto kSpeculativeAuthenticate = "speculativeAuthenticate"_sd;
+constexpr auto kClusterAuthenticate = "clusterAuthenticate"_sd;
 constexpr auto kAuthenticateCommand = "authenticate"_sd;
 
 /**
diff --git a/src/mongo/db/auth/sasl_commands.cpp b/src/mongo/db/auth/sasl_commands.cpp
index 7f4b1010462..81d784e64a3 100644
--- a/src/mongo/db/auth/sasl_commands.cpp
+++ b/src/mongo/db/auth/sasl_commands.cpp
@@ -335,18 +335,26 @@ bool runSaslStart(OperationContext* opCtx,
     }
 
     std::string principalName;
-    auto swSession = doSaslStart(opCtx, db, cmdObj, &result, &principalName, speculative);
-
-    if (!swSession.isOK() || swSession.getValue()->getMechanism().isSuccess()) {
-        audit::logAuthentication(
-            client, mechanismName, UserName(principalName, db), swSession.getStatus().code());
-        uassertStatusOK(swSession.getStatus());
-        if (swSession.getValue()->getMechanism().isSuccess()) {
+    try {
+        auto session =
+            uassertStatusOK(doSaslStart(opCtx, db, cmdObj, &result, &principalName, speculative));
+        const bool isClusterMember = session->getMechanism().isClusterMember();
+        if (isClusterMember) {
+            uassertStatusOK(authCounter.incClusterAuthenticateReceived(mechanismName));
+        }
+        if (session->getMechanism().isSuccess()) {
             uassertStatusOK(authCounter.incAuthenticateSuccessful(mechanismName));
+            if (isClusterMember) {
+                uassertStatusOK(authCounter.incClusterAuthenticateSuccessful(mechanismName));
+            }
+            audit::logAuthentication(
+                client, mechanismName, UserName(principalName, db), Status::OK().code());
+        } else {
+            AuthenticationSession::swap(client, session);
         }
-    } else {
-        auto session = std::move(swSession.getValue());
-        AuthenticationSession::swap(client, session);
+    } catch (const AssertionException& ex) {
+        audit::logAuthentication(client, mechanismName, UserName(principalName, db), ex.code());
+        throw;
     }
 
     return true;
@@ -408,6 +416,10 @@ bool CmdSaslContinue::run(OperationContext* opCtx,
         if (mechanism.isSuccess()) {
             uassertStatusOK(
                 authCounter.incAuthenticateSuccessful(mechanism.mechanismName().toString()));
+            if (mechanism.isClusterMember()) {
+                uassertStatusOK(authCounter.incClusterAuthenticateSuccessful(
+                    mechanism.mechanismName().toString()));
+            }
         }
     } else {
         AuthenticationSession::swap(client, sessionGuard);
diff --git a/src/mongo/db/auth/sasl_mechanism_registry.h b/src/mongo/db/auth/sasl_mechanism_registry.h
index 98f2d8ddae9..0215328d9cb 100644
--- a/src/mongo/db/auth/sasl_mechanism_registry.h
+++ b/src/mongo/db/auth/sasl_mechanism_registry.h
@@ -155,6 +155,15 @@ public:
     }
 
     /**
+     * Provides logic for determining if a user is a cluster member or an actual client for SASL
+     * authentication mechanisms
+     */
+    bool isClusterMember() const {
+        return _principalName == internalSecurity.user->getName().getUser().toString() &&
+            getAuthenticationDatabase() == internalSecurity.user->getName().getDB();
+    };
+
+    /**
      * Performs a single step of a SASL exchange. Takes an input provided by a client,
      * and either returns an error, or a response to be sent back.
      */
diff --git a/src/mongo/db/commands/authentication_commands.cpp b/src/mongo/db/commands/authentication_commands.cpp
index 77f014207fb..c3ba51aef15 100644
--- a/src/mongo/db/commands/authentication_commands.cpp
+++ b/src/mongo/db/commands/authentication_commands.cpp
@@ -44,6 +44,7 @@
 #include "mongo/client/sasl_client_authenticate.h"
 #include "mongo/config.h"
 #include "mongo/db/audit.h"
+#include "mongo/db/auth/authentication_session.h"
 #include "mongo/db/auth/authorization_session.h"
 #include "mongo/db/auth/privilege.h"
 #include "mongo/db/auth/sasl_options.h"
@@ -292,48 +293,48 @@ bool CmdAuthenticate::run(OperationContext* opCtx,
         user = internalSecurity.user->getName();
     }
 
-    Status status = authCounter.incAuthenticateReceived(mechanism);
-    if (status.isOK()) {
-        status = _authenticate(opCtx, mechanism, user, cmdObj);
-    }
-    audit::logAuthentication(Client::getCurrent(), mechanism, user, status.code());
+    try {
+        uassertStatusOK(authCounter.incAuthenticateReceived(mechanism));
+        const bool isClusterMember =
+            opCtx->getClient()->session()->getSSLConfiguration()->isClusterMember(user.getUser());
+        if (isClusterMember) {
+            uassertStatusOK(authCounter.incClusterAuthenticateReceived(mechanism));
+        }
+
+        uassertStatusOK(_authenticate(opCtx, mechanism, user, cmdObj));
+        audit::logAuthentication(opCtx->getClient(), mechanism, user, Status::OK().code());
 
-    if (!status.isOK()) {
         if (!serverGlobalParams.quiet.load()) {
-            auto const client = opCtx->getClient();
+            LOGV2(20429,
+                  "Successfully authenticated as principal {user} on {db} from client {client}",
+                  "Successfully authenticated",
+                  "user"_attr = user.getUser(),
+                  "db"_attr = user.getDB(),
+                  "client"_attr = opCtx->getClient()->session()->remote());
+        }
+
+        uassertStatusOK(authCounter.incAuthenticateSuccessful(mechanism));
+        if (isClusterMember) {
+            uassertStatusOK(authCounter.incClusterAuthenticateSuccessful(mechanism));
+        }
+
+        result.append("dbname", user.getDB());
+        result.append("user", user.getUser());
+        return true;
+    } catch (const AssertionException& ex) {
+        auto status = ex.toStatus();
+        auto const client = opCtx->getClient();
+        audit::logAuthentication(Client::getCurrent(), mechanism, user, status.code());
+        if (!serverGlobalParams.quiet.load()) {
             LOGV2(20428,
-                  "Failed to authenticate {user} from client {client} with mechanism "
-                  "{mechanism}: {error}",
                   "Failed to authenticate",
                   "user"_attr = user,
                   "client"_attr = client->getRemote(),
                   "mechanism"_attr = mechanism,
                   "error"_attr = status);
         }
-        sleepmillis(saslGlobalParams.authFailedDelay.load());
-        if (status.code() == ErrorCodes::AuthenticationFailed) {
-            // Statuses with code AuthenticationFailed may contain messages we do not wish to
-            // reveal to the user, so we return a status with the message "auth failed".
-            uasserted(ErrorCodes::AuthenticationFailed, "auth failed");
-        } else {
-            uassertStatusOK(status);
-        }
-        return false;
+        throw;
     }
-
-    if (!serverGlobalParams.quiet.load()) {
-        LOGV2(20429,
-              "Successfully authenticated as principal {user} on {db} from client {client}",
-              "Successfully authenticated",
-              "user"_attr = user.getUser(),
-              "db"_attr = user.getDB(),
-              "client"_attr = opCtx->getClient()->session()->remote());
-    }
-
-    uassertStatusOK(authCounter.incAuthenticateSuccessful(mechanism));
-    result.append("dbname", user.getDB());
-    result.append("user", user.getUser());
-    return true;
 }
 
 Status CmdAuthenticate::_authenticate(OperationContext* opCtx,
diff --git a/src/mongo/db/stats/counters.cpp b/src/mongo/db/stats/counters.cpp
index 63a0b6eb66d..4180275393b 100644
--- a/src/mongo/db/stats/counters.cpp
+++ b/src/mongo/db/stats/counters.cpp
@@ -244,6 +244,24 @@ Status AuthCounter::incAuthenticateSuccessful(const std::string& mechanism) try
                           << " which is not enabled"};
 }
 
+Status AuthCounter::incClusterAuthenticateReceived(const std::string& mechanism) try {
+    _mechanisms.at(mechanism).clusterAuthenticate.received.fetchAndAddRelaxed(1);
+    return Status::OK();
+} catch (const std::out_of_range&) {
+    return {ErrorCodes::BadValue,
+            str::stream() << "Received authentication for mechanism " << mechanism
+                          << " which is unknown or not enabled"};
+}
+
+Status AuthCounter::incClusterAuthenticateSuccessful(const std::string& mechanism) try {
+    _mechanisms.at(mechanism).clusterAuthenticate.successful.fetchAndAddRelaxed(1);
+    return Status::OK();
+} catch (const std::out_of_range&) {
+    return {ErrorCodes::BadValue,
+            str::stream() << "Received authentication for mechanism " << mechanism
+                          << " which is not enabled"};
+}
+
 /**
  * authentication: {
  *   "mechanisms": {
@@ -275,6 +293,16 @@ void AuthCounter::append(BSONObjBuilder* b) {
         }
 
         {
+            const auto received = it.second.clusterAuthenticate.received.load();
+            const auto successful = it.second.clusterAuthenticate.successful.load();
+
+            BSONObjBuilder clusterAuthBuilder(mechBuilder.subobjStart(auth::kClusterAuthenticate));
+            clusterAuthBuilder.append("received", received);
+            clusterAuthBuilder.append("successful", successful);
+            clusterAuthBuilder.done();
+        }
+
+        {
             const auto received = it.second.authenticate.received.load();
             const auto successful = it.second.authenticate.successful.load();
 
diff --git a/src/mongo/db/stats/counters.h b/src/mongo/db/stats/counters.h
index 9b10cb2a049..a202746be03 100644
--- a/src/mongo/db/stats/counters.h
+++ b/src/mongo/db/stats/counters.h
@@ -226,6 +226,9 @@ public:
     Status incAuthenticateReceived(const std::string& mechanism);
     Status incAuthenticateSuccessful(const std::string& mechanism);
 
+    Status incClusterAuthenticateReceived(const std::string& mechanism);
+    Status incClusterAuthenticateSuccessful(const std::string& mechanism);
+
     void append(BSONObjBuilder*);
 
     void initializeMechanismMap(const std::vector<std::string>&);
@@ -240,6 +243,10 @@ private:
             AtomicWord<long long> received;
             AtomicWord<long long> successful;
         } authenticate;
+        struct {
+            AtomicWord<long long> received;
+            AtomicWord<long long> successful;
+        } clusterAuthenticate;
     };
     using MechanismMap = std::map<std::string, MechanismData>;