Fixed range of random produced in BN_is_prime_fasttest_ex() to be 1 < rand < w-1...
[openssl.git] / test / dtlstest.c
index fd6e2ab771ed863d91706289666266d47f583975..c41aac8319cbd0d7a4a8b7ec5738b03812256fab 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the OpenSSL license (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -17,6 +17,7 @@
 
 static char *cert = NULL;
 static char *privkey = NULL;
+static unsigned int timer_cb_count;
 
 #define NUM_TESTS   2
 
@@ -40,6 +41,16 @@ static unsigned char certstatus[] = {
 
 #define RECORD_SEQUENCE 10
 
+static unsigned int timer_cb(SSL *s, unsigned int timer_us)
+{
+    ++timer_cb_count;
+
+    if (timer_us == 0)
+        return 50000;
+    else
+        return 2 * timer_us;
+}
+
 static int test_dtls_unprocessed(int testidx)
 {
     SSL_CTX *sctx = NULL, *cctx = NULL;
@@ -47,31 +58,27 @@ static int test_dtls_unprocessed(int testidx)
     BIO *c_to_s_fbio, *c_to_s_mempacket;
     int testresult = 0;
 
-    printf("Starting Test %d\n", testidx);
+    timer_cb_count = 0;
 
-    if (!create_ssl_ctx_pair(DTLS_server_method(), DTLS_client_method(), &sctx,
-                             &cctx, cert, privkey)) {
-        printf("Unable to create SSL_CTX pair\n");
+    if (!TEST_true(create_ssl_ctx_pair(DTLS_server_method(),
+                                       DTLS_client_method(),
+                                       DTLS1_VERSION, DTLS_MAX_VERSION,
+                                       &sctx, &cctx, cert, privkey)))
         return 0;
-    }
 
-    if (!SSL_CTX_set_cipher_list(cctx, "AES128-SHA")) {
-        printf("Failed setting cipher list\n");
-    }
+    if (!TEST_true(SSL_CTX_set_cipher_list(cctx, "AES128-SHA")))
+        goto end;
 
     c_to_s_fbio = BIO_new(bio_f_tls_dump_filter());
-    if (c_to_s_fbio == NULL) {
-        printf("Failed to create filter BIO\n");
+    if (!TEST_ptr(c_to_s_fbio))
         goto end;
-    }
 
     /* BIO is freed by create_ssl_connection on error */
-    if (!create_ssl_objects(sctx, cctx, &serverssl1, &clientssl1, NULL,
-                               c_to_s_fbio)) {
-        printf("Unable to create SSL objects\n");
-        ERR_print_errors_fp(stdout);
+    if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl1, &clientssl1,
+                                      NULL, c_to_s_fbio)))
         goto end;
-    }
+
+    DTLS_set_timer_cb(clientssl1, timer_cb);
 
     if (testidx == 1)
         certstatus[RECORD_SEQUENCE] = 0xff;
@@ -88,9 +95,12 @@ static int test_dtls_unprocessed(int testidx)
     mempacket_test_inject(c_to_s_mempacket, (char *)certstatus,
                           sizeof(certstatus), 1, INJECT_PACKET_IGNORE_REC_SEQ);
 
-    if (!create_ssl_connection(serverssl1, clientssl1)) {
-        printf("Unable to create SSL connection\n");
-        ERR_print_errors_fp(stdout);
+    if (!TEST_true(create_ssl_connection(serverssl1, clientssl1,
+                                         SSL_ERROR_NONE)))
+        goto end;
+
+    if (timer_cb_count == 0) {
+        printf("timer_callback was not called.\n");
         goto end;
     }
 
@@ -104,39 +114,146 @@ static int test_dtls_unprocessed(int testidx)
     return testresult;
 }
 
-int main(int argc, char *argv[])
+#define CLI_TO_SRV_EPOCH_0_RECS 3
+#define CLI_TO_SRV_EPOCH_1_RECS 1
+#if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH)
+# define SRV_TO_CLI_EPOCH_0_RECS 12
+#else
+/*
+ * In this case we have no ServerKeyExchange message, because we don't have
+ * ECDHE or DHE. When it is present it gets fragmented into 3 records in this
+ * test.
+ */
+# define SRV_TO_CLI_EPOCH_0_RECS 9
+#endif
+#define SRV_TO_CLI_EPOCH_1_RECS 1
+#define TOTAL_FULL_HAND_RECORDS \
+            (CLI_TO_SRV_EPOCH_0_RECS + CLI_TO_SRV_EPOCH_1_RECS + \
+             SRV_TO_CLI_EPOCH_0_RECS + SRV_TO_CLI_EPOCH_1_RECS)
+
+#define CLI_TO_SRV_RESUME_EPOCH_0_RECS 3
+#define CLI_TO_SRV_RESUME_EPOCH_1_RECS 1
+#define SRV_TO_CLI_RESUME_EPOCH_0_RECS 2
+#define SRV_TO_CLI_RESUME_EPOCH_1_RECS 1
+#define TOTAL_RESUME_HAND_RECORDS \
+            (CLI_TO_SRV_RESUME_EPOCH_0_RECS + CLI_TO_SRV_RESUME_EPOCH_1_RECS + \
+             SRV_TO_CLI_RESUME_EPOCH_0_RECS + SRV_TO_CLI_RESUME_EPOCH_1_RECS)
+
+#define TOTAL_RECORDS (TOTAL_FULL_HAND_RECORDS + TOTAL_RESUME_HAND_RECORDS)
+
+static int test_dtls_drop_records(int idx)
 {
-    BIO *err = NULL;
-    int testresult = 1;
+    SSL_CTX *sctx = NULL, *cctx = NULL;
+    SSL *serverssl = NULL, *clientssl = NULL;
+    BIO *c_to_s_fbio, *mempackbio;
+    int testresult = 0;
+    int epoch = 0;
+    SSL_SESSION *sess = NULL;
+    int cli_to_srv_epoch0, cli_to_srv_epoch1, srv_to_cli_epoch0;
 
-    if (argc != 3) {
-        printf("Invalid argument count\n");
-        return 1;
+    if (!TEST_true(create_ssl_ctx_pair(DTLS_server_method(),
+                                       DTLS_client_method(),
+                                       DTLS1_VERSION, DTLS_MAX_VERSION,
+                                       &sctx, &cctx, cert, privkey)))
+        return 0;
+
+    if (idx >= TOTAL_FULL_HAND_RECORDS) {
+        /* We're going to do a resumption handshake. Get a session first. */
+        if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
+                                          NULL, NULL))
+                || !TEST_true(create_ssl_connection(serverssl, clientssl,
+                              SSL_ERROR_NONE))
+                || !TEST_ptr(sess = SSL_get1_session(clientssl)))
+            goto end;
+
+        SSL_shutdown(clientssl);
+        SSL_shutdown(serverssl);
+        SSL_free(serverssl);
+        SSL_free(clientssl);
+        serverssl = clientssl = NULL;
+
+        cli_to_srv_epoch0 = CLI_TO_SRV_RESUME_EPOCH_0_RECS;
+        cli_to_srv_epoch1 = CLI_TO_SRV_RESUME_EPOCH_1_RECS;
+        srv_to_cli_epoch0 = SRV_TO_CLI_RESUME_EPOCH_0_RECS;
+        idx -= TOTAL_FULL_HAND_RECORDS;
+    } else {
+        cli_to_srv_epoch0 = CLI_TO_SRV_EPOCH_0_RECS;
+        cli_to_srv_epoch1 = CLI_TO_SRV_EPOCH_1_RECS;
+        srv_to_cli_epoch0 = SRV_TO_CLI_EPOCH_0_RECS;
     }
 
-    cert = argv[1];
-    privkey = argv[2];
+    c_to_s_fbio = BIO_new(bio_f_tls_dump_filter());
+    if (!TEST_ptr(c_to_s_fbio))
+        goto end;
+
+    /* BIO is freed by create_ssl_connection on error */
+    if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
+                                      NULL, c_to_s_fbio)))
+        goto end;
 
-    err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);
+    if (sess != NULL) {
+        if (!TEST_true(SSL_set_session(clientssl, sess)))
+            goto end;
+    }
 
-    CRYPTO_set_mem_debug(1);
-    CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+    DTLS_set_timer_cb(clientssl, timer_cb);
+    DTLS_set_timer_cb(serverssl, timer_cb);
 
-    ADD_ALL_TESTS(test_dtls_unprocessed, NUM_TESTS);
+    /* Work out which record to drop based on the test number */
+    if (idx >= cli_to_srv_epoch0 + cli_to_srv_epoch1) {
+        mempackbio = SSL_get_wbio(serverssl);
+        idx -= cli_to_srv_epoch0 + cli_to_srv_epoch1;
+        if (idx >= srv_to_cli_epoch0) {
+            epoch = 1;
+            idx -= srv_to_cli_epoch0;
+        }
+    } else {
+        mempackbio = SSL_get_wbio(clientssl);
+        if (idx >= cli_to_srv_epoch0) {
+            epoch = 1;
+            idx -= cli_to_srv_epoch0;
+        }
+         mempackbio = BIO_next(mempackbio);
+    }
+    BIO_ctrl(mempackbio, MEMPACKET_CTRL_SET_DROP_EPOCH, epoch, NULL);
+    BIO_ctrl(mempackbio, MEMPACKET_CTRL_SET_DROP_REC, idx, NULL);
 
-    testresult = run_tests(argv[0]);
+    if (!TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE)))
+        goto end;
 
-    bio_f_tls_dump_filter_free();
-    bio_s_mempacket_test_free();
+    if (sess != NULL && !TEST_true(SSL_session_reused(clientssl)))
+        goto end;
 
-#ifndef OPENSSL_NO_CRYPTO_MDEBUG
-    if (CRYPTO_mem_leaks(err) <= 0)
-        testresult = 1;
-#endif
-    BIO_free(err);
+    /* If the test did what we planned then it should have dropped a record */
+    if (!TEST_int_eq((int)BIO_ctrl(mempackbio, MEMPACKET_CTRL_GET_DROP_REC, 0,
+                                   NULL), -1))
+        goto end;
 
-    if (!testresult)
-        printf("PASS\n");
+    testresult = 1;
+ end:
+    SSL_SESSION_free(sess);
+    SSL_free(serverssl);
+    SSL_free(clientssl);
+    SSL_CTX_free(sctx);
+    SSL_CTX_free(cctx);
 
     return testresult;
 }
+
+int setup_tests(void)
+{
+    if (!TEST_ptr(cert = test_get_argument(0))
+            || !TEST_ptr(privkey = test_get_argument(1)))
+        return 0;
+
+    ADD_ALL_TESTS(test_dtls_unprocessed, NUM_TESTS);
+    ADD_ALL_TESTS(test_dtls_drop_records, TOTAL_RECORDS);
+
+    return 1;
+}
+
+void cleanup_tests(void)
+{
+    bio_f_tls_dump_filter_free();
+    bio_s_mempacket_test_free();
+}