/***************************************************************************/ /* Copyright (c) 2024 Microsoft Corporation */ /* Copyright (c) 2026 Eclipse ThreadX contributors */ /* */ /* This program and the accompanying materials are made available under */ /* the terms of the MIT License which is available at */ /* https://opensource.org/licenses/MIT. */ /* */ /* SPDX-License-Identifier: MIT */ /***************************************************************************/ #include "tx_api.h" #include "nx_api.h" #include "nx_tcp.h" #include "nx_secure_tls_api.h" #include "tls_test_utility.h" extern void test_control_return(UINT status); #if defined(HASH_CLONE_BUILD) && !defined(NX_SECURE_TLS_CLIENT_DISABLED) && !defined(NX_SECURE_TLS_SERVER_DISABLED) && !defined(NX_SECURE_DISABLE_X509) #define __LINUX__ /* Define the number of times to (re)establish a TLS connection. */ #define TLS_CONNECT_TIMES (6) #define LARGE_SEND_SIZE 3000 #define MSG "----------abcdefgh20----------ABCDEFGH40----------klmnopqr60----------KLMNOPQR80--------------------" /* Define the ThreadX and NetX object control blocks... */ static TX_THREAD ntest_0; static TX_THREAD ntest_1; static NX_PACKET_POOL pool_0; static NX_PACKET_POOL pool_1; static NX_IP ip_0; static NX_IP ip_1; static NX_TCP_SOCKET client_socket; static NX_TCP_SOCKET server_socket; static NX_SECURE_TLS_SESSION client_tls_session; static NX_SECURE_TLS_SESSION server_tls_session; static NX_SECURE_X509_CERT certificate; static NX_SECURE_X509_CERT server_certificate; static NX_SECURE_X509_CERT duplicate_server_certificate; static NX_SECURE_X509_CERT ica_certificate; static NX_SECURE_X509_CERT client_certificate; static NX_SECURE_X509_CERT trusted_certificate; /* Combined certificate buffers for new API. */ UCHAR remote_client_certs_buffer[(sizeof(NX_SECURE_X509_CERT) + 2000) * 2]; UCHAR remote_server_certs_buffer[(sizeof(NX_SECURE_X509_CERT) + 2000) * 2]; UCHAR server_packet_buffer[4000]; UCHAR client_packet_buffer[4000]; CHAR server_crypto_metadata[16000]; CHAR client_crypto_metadata[16000]; static UCHAR large_app_data[LARGE_SEND_SIZE]; static UCHAR server_recv_buffer[LARGE_SEND_SIZE]; static UCHAR client_recv_buffer[LARGE_SEND_SIZE]; /* Test PKI (3-level). */ #include "test_ca_cert.c" #include "tls_two_test_certs.c" #define ca_cert_der test_ca_cert_der #define ca_cert_der_len test_ca_cert_der_len /* Cryptographic routines. */ extern const NX_SECURE_TLS_CRYPTO nx_crypto_tls_ciphers; extern const NX_SECURE_TLS_CRYPTO nx_crypto_tls_ciphers_hc; extern UINT check_cleanup_error(); /* Server certificate. */ #if 0 static unsigned char test_device_cert_der[] = { 0x30, 0x82, 0x03, 0xd2, 0x30, 0x82, 0x02, 0xba, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x01, 0x01, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0b, 0x05, 0x00, 0x30, 0x7a, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 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0xfd, 0x66, 0x98, 0x77, 0x37, 0x7b, 0x80, 0x1f, 0xb2, 0x49, 0xe4, 0xa6, 0x24, 0x72, 0x42, 0xf4, 0xca, 0x91, 0x80, 0xa1, 0xb2, 0x0a, 0xc9, 0xc0, 0x93, 0xa7, 0x22, 0x0b, 0x13, 0x8a, 0xb2, 0x75, 0x4b, 0x66, 0xf9, 0x87, 0x3a, 0x51, 0x97, 0xc7, 0x1e, 0x2b, 0x61, 0x81, 0x5c, 0xf0, 0xf8, 0x4c, 0xdb, 0x36, 0xc7, 0xba, 0x49, 0xd9, 0x04, 0x6a, 0x95, 0xb0, 0x7f, 0xfc, 0xce, 0xca, 0x23, 0xad, 0xf9, 0xaf, 0x8a, 0x72, 0x8e, 0xab, 0xb8, 0x8b, 0x7e, 0xf7, 0x39, 0xa6, 0x22, 0x56, 0x03, 0x72, 0x06, 0xc3, 0x57, 0x1f, 0x32, 0xaa, 0xb5, 0xa6, 0x00, 0x67, 0x88, 0x4b, 0x40, 0xe9, 0x5e, 0x4a, 0x6f, 0x76, 0xe8 }; static unsigned int test_device_cert_der_len = 982; static unsigned char test_device_cert_key_der[] = { 0x30, 0x82, 0x04, 0xa4, 0x02, 0x01, 0x00, 0x02, 0x82, 0x01, 0x01, 0x00, 0xae, 0x03, 0x2c, 0xec, 0xa2, 0x79, 0xd1, 0x15, 0x20, 0x88, 0x4d, 0xcd, 0xa2, 0x1b, 0x05, 0xe3, 0xbd, 0x55, 0xad, 0xc6, 0x1f, 0x64, 0xe8, 0xb5, 0xc5, 0x0d, 0x67, 0xfc, 0x7e, 0xda, 0xfb, 0x70, 0xf6, 0xc9, 0x47, 0x87, 0x3a, 0xaa, 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0x3a, 0xd1, 0x82, 0xf4, 0x3d, 0xd3, 0x2e, 0x3e, 0x47, 0xa4, 0x6c, 0xd3, 0x20, 0xd4, 0xd1, 0x02, 0x81, 0x80, 0x68, 0x1a, 0x8d, 0x3c, 0x18, 0x3f, 0x42, 0x5e, 0x38, 0x6d, 0x0a, 0x1e, 0x52, 0xd5, 0x8f, 0xd6, 0x32, 0xff, 0x7c, 0x1c, 0xf3, 0x20, 0x8b, 0x92, 0xa5, 0x44, 0xff, 0x08, 0x21, 0xa1, 0xce, 0x68, 0x8b, 0x03, 0xe0, 0x90, 0xeb, 0x01, 0x4e, 0x85, 0xf9, 0xc5, 0xb7, 0x86, 0xee, 0xd0, 0x59, 0x10, 0x73, 0x98, 0x2a, 0xcb, 0xf6, 0xfe, 0x0d, 0xba, 0x07, 0x91, 0x18, 0xf6, 0xbc, 0x93, 0x8a, 0x91, 0xdd, 0x80, 0x16, 0x37, 0xdf, 0x75, 0x46, 0x87, 0x68, 0xee, 0xf4, 0x76, 0x0c, 0xc5, 0x87, 0x38, 0xf5, 0xb6, 0xda, 0x8a, 0xee, 0x62, 0xc8, 0xc0, 0xa2, 0x8d, 0xbf, 0xd5, 0xf8, 0xba, 0xb5, 0x74, 0xf0, 0x07, 0xa6, 0x1c, 0xcf, 0x76, 0x61, 0xbe, 0xa4, 0x88, 0x4a, 0x95, 0xb0, 0xa3, 0x70, 0x73, 0xa1, 0x6f, 0x73, 0xf0, 0xe8, 0x38, 0x8d, 0xe8, 0xd0, 0x7e, 0x2c, 0x0c, 0xdc, 0x21, 0xfa, 0xc1 }; static unsigned int test_device_cert_key_der_len = 1192; #endif #ifdef NX_SECURE_ENABLE_PSK_CIPHERSUITES static UCHAR tls_psk[] = { 0x1a, 0x2b, 0x3c, 0x4d }; #endif #define DEMO_STACK_SIZE 4096 // (3 * 1024 / sizeof(ULONG)) /* Define the IP thread's stack area. */ #define IP_STACK_SIZE 4096 //(2 * 1024 / sizeof(ULONG)) /* Define packet pool for the demonstration. */ #define NX_PACKET_POOL_BYTES ((1536 + sizeof(NX_PACKET)) * 20) #define NX_PACKET_POOL_SIZE (NX_PACKET_POOL_BYTES/sizeof(ULONG) + 64 / sizeof(ULONG)) /* Define the ARP cache area. */ #define ARP_AREA_SIZE 1024 // (512 / sizeof(ULONG)) #define TOTAL_STACK_SPACE (2 * (DEMO_STACK_SIZE + IP_STACK_SIZE + NX_PACKET_POOL_SIZE + ARP_AREA_SIZE)) #ifndef __LINUX__ ULONG test_stack_area[TOTAL_STACK_SPACE + 2000]; #endif static ULONG pool_area[2][NX_PACKET_POOL_SIZE]; /* Define the counters used in the demo application... */ ULONG error_counter; /* Define thread prototypes. */ static void ntest_0_entry(ULONG thread_input); static void ntest_1_entry(ULONG thread_input); static void ntest_0_connect_received(NX_TCP_SOCKET *server_socket, UINT port); static void ntest_0_disconnect_received(NX_TCP_SOCKET *server_socket); extern void _nx_ram_network_driver_1500(struct NX_IP_DRIVER_STRUCT *driver_req); /* Define what the initial system looks like. */ #ifndef __LINUX__ void tx_application_define(void *first_unused_memory) #else #ifdef CTEST void test_application_define(void *first_unused_memory); void test_application_define(void *first_unused_memory) #else void nx_secure_tls_hash_clone_test_application_define(void *first_unused_memory) #endif #endif { CHAR *pointer; UINT status; /* Setup the working pointer. */ #ifndef __LINUX__ pointer = (CHAR*)test_stack_area; #else pointer = (CHAR *) first_unused_memory; #endif error_counter = 0; /* Create the main thread. */ tx_thread_create(&ntest_0, "thread 0", ntest_0_entry, 0, pointer, DEMO_STACK_SIZE, 3, 3, TX_NO_TIME_SLICE, TX_AUTO_START); pointer = pointer + DEMO_STACK_SIZE; /* Create the main thread. */ tx_thread_create(&ntest_1, "thread 1", ntest_1_entry, 0, pointer, DEMO_STACK_SIZE, 4, 4, TX_NO_TIME_SLICE, TX_AUTO_START); pointer = pointer + DEMO_STACK_SIZE; /* Initialize the NetX system. */ nx_system_initialize(); /* Create a packet pool. */ status = nx_packet_pool_create(&pool_0, "NetX Main Packet Pool", 1536, pool_area[0], sizeof(pool_area[0])); if(status) { printf("Error in function nx_packet_pool_create: 0x%x\n", status); error_counter++; } /* Create a packet pool. */ status = nx_packet_pool_create(&pool_1, "NetX Main Packet Pool", 1536, pool_area[1], sizeof(pool_area[1])); if(status) { printf("Error in function nx_packet_pool_create: 0x%x\n", status); error_counter++; } /* Create an IP instance. */ status = nx_ip_create(&ip_0, "NetX IP Instance 0", IP_ADDRESS(1, 2, 3, 4), 0xFFFFFF00UL, &pool_0, _nx_ram_network_driver_1500, pointer, IP_STACK_SIZE, 1); pointer = pointer + IP_STACK_SIZE; /* Create another IP instance. */ status += nx_ip_create(&ip_1, "NetX IP Instance 1", IP_ADDRESS(1, 2, 3, 5), 0xFFFFFF00UL, &pool_1, _nx_ram_network_driver_1500, pointer, IP_STACK_SIZE, 1); pointer = pointer + IP_STACK_SIZE; if(status) { printf("Error in function nx_ip_create: 0x%x\n", status); error_counter++; } /* Enable ARP and supply ARP cache memory for IP Instance 0. */ status = nx_arp_enable(&ip_0, (void *) pointer, ARP_AREA_SIZE); pointer = pointer + ARP_AREA_SIZE; /* Enable ARP and supply ARP cache memory for IP Instance 1. */ status += nx_arp_enable(&ip_1, (void *) pointer, ARP_AREA_SIZE); pointer = pointer + ARP_AREA_SIZE; /* Check ARP enable status. */ if(status) { printf("Error in function nx_arp_enable: 0x%x\n", status); error_counter++; } /* Enable TCP processing for both IP instances. */ status = nx_tcp_enable(&ip_0); status += nx_tcp_enable(&ip_1); /* Check TCP enable status. */ if(status) { printf("Error in function tcp_enable: 0x%x\n", status); error_counter++; } nx_secure_tls_initialize(); } /* Define callbacks used by TLS. */ /* Include CRL associated with Verisign root CA (for AWS) for demo purposes. */ #include "test_ca.crl.der.c" /* Timestamp function - should return Unix time formatted 32-bit integer. */ ULONG tls_timestamp_function(void) { // Return a fixed epoch - 1500939067 seconds = 07/24/2017 @ 11:31pm (UTC) // 1541030400 = 0x5BDA4200L = 11/01/2018 @ 12:00AM (UTC) return(0x5BDA4200L); } /* Callback invoked whenever TLS has to validate a certificate from a remote host. Additional checking of the certificate may be done by the application here. */ ULONG certificate_verification_callback(NX_SECURE_TLS_SESSION *session, NX_SECURE_X509_CERT* certificate) { const CHAR *dns_tld = "certificate_with_policies"; //"NX Secure Device Certificate"; UINT status; NX_SECURE_X509_CERTIFICATE_STORE *store; NX_SECURE_X509_CERT *issuer_certificate; UINT issuer_location; USHORT key_usage_bitfield; /* Check DNS entry string. */ status = nx_secure_x509_common_name_dns_check(certificate, (UCHAR*)dns_tld, strlen(dns_tld)); if(status != NX_SUCCESS) { printf("Error in certificate verification: DNS name did not match CN\n"); return(status); } /* Check CRL revocation status. */ store = &session -> nx_secure_tls_credentials.nx_secure_tls_certificate_store; #ifndef NX_SECURE_X509_DISABLE_CRL status = nx_secure_x509_crl_revocation_check(test_ca_crl_der, test_ca_crl_der_len, store, certificate); if(status != NX_SUCCESS) { return(status); } #endif /* NX_SECURE_X509_DISABLE_CRL */ /* Check key usage extension. */ status = nx_secure_x509_key_usage_extension_parse(certificate, &key_usage_bitfield); if(status != NX_SUCCESS) { printf("Error in parsing key usage extension: 0x%x\n", status); return(status); } if((key_usage_bitfield & NX_SECURE_X509_KEY_USAGE_DIGITAL_SIGNATURE) == 0 || (key_usage_bitfield & NX_SECURE_X509_KEY_USAGE_NON_REPUDIATION) == 0 || (key_usage_bitfield & NX_SECURE_X509_KEY_USAGE_KEY_ENCIPHERMENT) == 0) { printf("Expected key usage bitfield bits not set!\n"); return(NX_SECURE_X509_KEY_USAGE_ERROR); } /* Extended key usage - look for specific OIDs. */ status = nx_secure_x509_extended_key_usage_extension_parse(certificate, NX_SECURE_TLS_X509_TYPE_PKIX_KP_TIME_STAMPING); if(status != NX_SUCCESS) { printf("Expected certificate extension not found!\n"); } return(NX_SUCCESS); } /* Define the test threads. */ /* -----===== SERVER =====----- */ /* Define a TLS name to test the Server Name Indication extension. */ #define TLS_SNI_SERVER_NAME "testing" static CHAR *html_data = "HTTP/1.1 200 OK\r\n" \ "Date: Fri, 15 Sep 2016 23:59:59 GMT\r\n" \ "Content-Type: text/html\r\n" \ "Content-Length: 200\r\n\r\n" \ "\r\n"\ "\r\n"\ "Hello NetX Secure User!\r\n"\ "This is a simple webpage\r\n"\ "served up using NetX Secure!\r\n"\ "\r\n"\ "\r\n"; /* Callback for ClientHello extensions processing. */ static ULONG tls_server_callback(NX_SECURE_TLS_SESSION *tls_session, NX_SECURE_TLS_HELLO_EXTENSION *extensions, UINT num_extensions) { NX_SECURE_X509_DNS_NAME dns_name; INT compare_value; UINT status; NX_SECURE_X509_CERT *cert_ptr; /* Process clienthello extensions. */ status = _nx_secure_tls_session_sni_extension_parse(tls_session, extensions, num_extensions, &dns_name); #ifdef NX_SECURE_TLS_SNI_EXTENSION_DISABLED if(status != NX_SECURE_TLS_EXTENSION_NOT_FOUND) { printf("SNI extension should not exist\n"); error_counter++; } #else if(status != NX_SUCCESS) { printf("SNI extension parsing failed with status 0x%x\n", status); error_counter++; } /* NULL-terminate name string. */ dns_name.nx_secure_x509_dns_name[dns_name.nx_secure_x509_dns_name_length] = 0; /* Make sure our SNI name matches. */ compare_value = memcmp(dns_name.nx_secure_x509_dns_name, TLS_SNI_SERVER_NAME, strlen(TLS_SNI_SERVER_NAME)); if(compare_value || dns_name.nx_secure_x509_dns_name_length != strlen(TLS_SNI_SERVER_NAME)) { printf("Error in SNI processing. SNI name '%s' does not match '%s'\n", dns_name.nx_secure_x509_dns_name, TLS_SNI_SERVER_NAME); error_counter++; } #endif /* Find a certificate based on it's unique ID. */ _nx_secure_tls_server_certificate_find(tls_session, &cert_ptr, 1); /* Set the certificate we want to use. */ nx_secure_tls_active_certificate_set(tls_session, cert_ptr); return(NX_SUCCESS); } static void ntest_0_entry(ULONG thread_input) { UINT status; ULONG actual_status; NX_PACKET *send_packet; NX_PACKET *receive_packet; UCHAR receive_buffer[100]; ULONG bytes; UINT connect_count; UINT i; /* Print out test information banner. */ printf("NetX Secure Test: TLS Handshake Hash Clone Test......................"); /* Check for earlier error. */ if(error_counter) { printf("ERROR!\n"); test_control_return(1); } /* Ensure the IP instance has been initialized. */ status = nx_ip_status_check(&ip_0, NX_IP_INITIALIZE_DONE, &actual_status, NX_IP_PERIODIC_RATE); /* Check for error. */ if(status) { printf("Error in function nx_ip_status_check: 0x%x\n", status); error_counter++; } /* Create a socket. */ status = nx_tcp_socket_create(&ip_0, &server_socket, "Server Socket", NX_IP_NORMAL, NX_FRAGMENT_OKAY, NX_IP_TIME_TO_LIVE * 100, 16*1024, NX_NULL, ntest_0_disconnect_received); /* Check for error. */ if(status) { printf("Error in function nx_tcp_socket_create: 0x%x\n", status); error_counter++; } /* Create a TLS session for our socket. */ status = nx_secure_tls_session_create(&server_tls_session, &nx_crypto_tls_ciphers_hc, server_crypto_metadata, sizeof(server_crypto_metadata)); /* Check for error. */ if(status) { printf("Error in function nx_secure_tls_session_create: 0x%x\n", status); error_counter++; } /* Setup our packet reassembly buffer. */ nx_secure_tls_session_packet_buffer_set(&server_tls_session, server_packet_buffer, sizeof(server_packet_buffer)); /* Enable Client Certificate Verification. */ nx_secure_tls_session_x509_client_verify_configure(&server_tls_session, 2, remote_client_certs_buffer, sizeof(remote_client_certs_buffer)); /* Add a timestamp function for time checking and timestamps in the TLS handshake. */ _nx_secure_tls_session_time_function_set(&server_tls_session, tls_timestamp_function); /* Setup the callback invoked when TLS has a certificate it wants to verify so we can do additional checks not done automatically by TLS. */ _nx_secure_tls_session_certificate_callback_set(&server_tls_session, certificate_verification_callback); /* Set callback for server TLS extension handling. */ _nx_secure_tls_session_server_callback_set(&server_tls_session, tls_server_callback); ///////////////////////////////////////////////////////////////////////////////////////////////////////// // Initialize our certificate status = nx_secure_x509_certificate_initialize(&certificate, test_device_cert_der, test_device_cert_der_len, NX_NULL, 0, test_device_cert_key_der, test_device_cert_key_der_len, NX_SECURE_X509_KEY_TYPE_RSA_PKCS1_DER); EXPECT_EQ(NX_SUCCESS, status); status = nx_secure_tls_server_certificate_add(&server_tls_session, &certificate, 1); EXPECT_EQ(NX_SUCCESS, status); status = nx_secure_x509_certificate_initialize(&server_certificate, test_server_cert_der, test_server_cert_der_len, NX_NULL, 0, test_server_cert_key_der, test_server_cert_key_der_len, NX_SECURE_X509_KEY_TYPE_RSA_PKCS1_DER); EXPECT_EQ(NX_SUCCESS, status); status = nx_secure_tls_server_certificate_add(&server_tls_session, &server_certificate, 2); EXPECT_EQ(NX_SUCCESS, status); /* Add a duplicate of the server certificate to make sure we handle duplicate certificates in the handshake. */ status = nx_secure_x509_certificate_initialize(&duplicate_server_certificate, test_device_cert_der, test_device_cert_der_len, NX_NULL, 0, NULL, 0, NX_SECURE_X509_KEY_TYPE_NONE); EXPECT_EQ(NX_SUCCESS, status); status = nx_secure_tls_server_certificate_add(&server_tls_session, &duplicate_server_certificate, 3); EXPECT_EQ(NX_SUCCESS, status); status = nx_secure_x509_certificate_initialize(&ica_certificate, ica_cert_der, ica_cert_der_len, NX_NULL, 0, NULL, 0, NX_SECURE_X509_KEY_TYPE_NONE); EXPECT_EQ(NX_SUCCESS, status); status = nx_secure_tls_local_certificate_add(&server_tls_session, &ica_certificate); EXPECT_EQ(NX_SUCCESS, status); /* Add a CA Certificate to our trusted store for verifying incoming client certificates. */ status = nx_secure_x509_certificate_initialize(&trusted_certificate, ca_cert_der, ca_cert_der_len, NX_NULL, 0, NULL, 0, NX_SECURE_X509_KEY_TYPE_NONE); EXPECT_EQ(NX_SUCCESS, status); status = nx_secure_tls_trusted_certificate_add(&server_tls_session, &trusted_certificate); EXPECT_EQ(NX_SUCCESS, status); ///////////////////////////////////////////////////////////////////////////////////////////////////////// /* Setup this thread to listen. */ status = nx_tcp_server_socket_listen(&ip_0, 12, &server_socket, 5, ntest_0_connect_received); /* Check for error. */ if(status) { printf("Error in function nx_tcp_server_socket_listen: 0x%x\n", status); error_counter++; } /* Fill the large send buffer. */ for (i = 0; i < LARGE_SEND_SIZE; ++i) { large_app_data[i] = (UCHAR)(i & 0xFF); } #ifdef NX_SECURE_ENABLE_PSK_CIPHERSUITES /* For PSK ciphersuites, add a PSK and identity hint. */ nx_secure_tls_psk_add(&server_tls_session, tls_psk, sizeof(tls_psk), "Client_identity", 15, "12345678", 8); #endif for(connect_count = 0; connect_count < TLS_CONNECT_TIMES; ++connect_count) { /* Accept a client socket connection. */ status = nx_tcp_server_socket_accept(&server_socket, NX_IP_PERIODIC_RATE); tx_thread_suspend(&ntest_0); /* Check for error. */ if(status) { printf("Error in function nx_tcp_server_socket_accept: 0x%x\n", status); error_counter++; } /* Start the TLS Session now that we have a connected socket. */ status = nx_secure_tls_session_start(&server_tls_session, &server_socket, NX_WAIT_FOREVER); /* Check for error. */ if (status) { printf("TLS Server Session start failed, error: %x\n", status); error_counter++; } /* Receive the HTTP request, and print it out. */ status = nx_secure_tls_session_receive(&server_tls_session, &receive_packet, NX_WAIT_FOREVER); /* Check for error. */ if (status) { printf("TLS Server receive failed, error: %x\n", status); error_counter++; return; } else { status = nx_packet_data_extract_offset(receive_packet, 0, receive_buffer, 100, &bytes); receive_buffer[bytes] = 0; if(bytes != 14) { printf("ERROR: data received by server does not match that sent by client.\n"); error_counter++; } error_counter += strncmp((CHAR *)receive_buffer, "Hello there!\r\n", bytes); if(error_counter) { printf("Error in receiving data.\n"); } //printf("Received data: %s\n", receive_buffer); } nx_packet_release(receive_packet); /* Allocate a return packet and send our HTML data back to the client. */ nx_secure_tls_packet_allocate(&server_tls_session, &pool_0, &send_packet, NX_WAIT_FOREVER); nx_packet_data_append(send_packet, html_data, strlen(html_data), &pool_0, NX_WAIT_FOREVER); /* TLS send the HTML/HTTPS data back to the client. */ status = nx_secure_tls_session_send(&server_tls_session, send_packet, NX_IP_PERIODIC_RATE); /* Check for error. */ if (status) { printf("Error in Server TLS send: %x\n", status); /* Release the packet. */ nx_packet_release(send_packet); error_counter++; } /* Receive the large application data. */ status = nx_secure_tls_session_receive(&server_tls_session, &receive_packet, NX_WAIT_FOREVER); /* Check for error. */ if (status) { printf("TLS Server receive failed, error: %x\n", status); error_counter++; } else { memset(server_recv_buffer, 0, LARGE_SEND_SIZE); status = nx_packet_data_extract_offset(receive_packet, 0, server_recv_buffer, LARGE_SEND_SIZE, &bytes); if (bytes != LARGE_SEND_SIZE) { printf("ERROR: data received by server does not match that sent by client.\n"); error_counter++; } /* Check the received buffer. */ for (i = 0; i < LARGE_SEND_SIZE; ++i) { if (server_recv_buffer[i] != large_app_data[i]) { printf("ERROR: data received by server does not match that sent by client.\n"); error_counter++; break; } } } nx_packet_release(receive_packet); /* Attempt a renegotiation after receiving. */ #ifndef NX_SECURE_TLS_DISABLE_SECURE_RENEGOTIATION status = nx_secure_tls_session_renegotiate(&server_tls_session, NX_WAIT_FOREVER); if(status) { printf("TLS renegotiation request failed with error: 0x%x\n", status); error_counter++; } #endif /* Allocate a return packet and send the large application data back to the client. */ nx_secure_tls_packet_allocate(&server_tls_session, &pool_0, &send_packet, NX_WAIT_FOREVER); nx_packet_data_append(send_packet, large_app_data, LARGE_SEND_SIZE, &pool_0, NX_WAIT_FOREVER); /* TLS send the data back to the client. */ status = nx_secure_tls_session_send(&server_tls_session, send_packet, NX_IP_PERIODIC_RATE); /* Check for error. */ if (status) { printf("Error in Server TLS send: %x\n", status); /* Release the packet. */ nx_packet_release(send_packet); error_counter++; } tx_thread_sleep(10); /* End the TLS session. This is required to properly shut down the TLS connection. */ status = nx_secure_tls_session_end(&server_tls_session, NX_WAIT_FOREVER); /* If the session did not shut down cleanly, this is a possible security issue. */ if (status) { printf("Error in TLS Server session end: %x\n", status); error_counter++; } /* Disconnect the server socket. */ status = nx_tcp_socket_disconnect(&server_socket, NX_WAIT_FOREVER); // NX_IP_PERIODIC_RATE * 10); /* Check for error. */ if(status) { printf("Error in function nx_tcp_socket_disconnect: 0x%x\n", status); error_counter++; } /* Unaccept the server socket. */ status = nx_tcp_server_socket_unaccept(&server_socket); /* Check for error. */ if(status) { printf("Error in function nx_tcp_server_socket_unaccept: 0x%x\n", status); error_counter++; } /* Unlisten on the server port. */ status = nx_tcp_server_socket_relisten(&ip_0, 12, &server_socket); /* Check for error. */ if (status) { printf("Error in function nx_tcp_server_socket_relisten: 0x%x\n", status); error_counter++; } } /* End connect loop. */ /* Unlisten on the server port. */ status = nx_tcp_server_socket_unlisten(&ip_0, 12); /* Check for error. */ if (status) { printf("Error in function nx_tcp_server_socket_unlisten: 0x%x\n", status); error_counter++; } /* Delete TLS session. */ status = nx_secure_tls_session_delete(&server_tls_session); /* Check for error. */ if(status) { printf("Error in function nx_secure_tls_session_delete: 0x%x\n", status); error_counter++; } /* Delete the socket. */ status = nx_tcp_socket_delete(&server_socket); /* Check for error. */ if(status) { printf("Error in function nx_tcp_socket_delete: 0x%x\n", status); error_counter++; } } /* -----===== CLIENT =====----- */ static ULONG tls_client_callback(NX_SECURE_TLS_SESSION *tls_session, NX_SECURE_TLS_HELLO_EXTENSION *extensions, UINT num_extensions) { /* Process serverhello extensions. */ return(NX_SUCCESS); } static void ntest_1_entry(ULONG thread_input) { UINT status; NX_PACKET *send_packet; NX_PACKET *receive_packet; UCHAR receive_buffer[400]; ULONG bytes; UINT connect_count; UINT i; NX_SECURE_X509_DNS_NAME dns_name; /* Create a socket. */ status = nx_tcp_socket_create(&ip_1, &client_socket, "Client Socket", NX_IP_NORMAL, NX_FRAGMENT_OKAY, NX_IP_TIME_TO_LIVE * 100, 1024*16, NX_NULL, NX_NULL); /* Check for error. */ if(status) { printf("Error in function nx_tcp_socket_create: 0x%x\n", status); error_counter++; } /* Create a TLS session for our socket. */ status = nx_secure_tls_session_create(&client_tls_session, &nx_crypto_tls_ciphers, client_crypto_metadata, sizeof(client_crypto_metadata)); /* Check for error. */ if(status) { printf("Error in function nx_secure_tls_session_create: 0x%x\n", status); error_counter++; } /* Setup our packet reassembly buffer. */ nx_secure_tls_session_packet_buffer_set(&client_tls_session, client_packet_buffer, sizeof(client_packet_buffer)); /* Make sure client certificate verification is disabled. */ nx_secure_tls_session_client_verify_disable(&client_tls_session); /* Need to allocate space for the certificate coming in from the remote host. */ nx_secure_tls_remote_certificate_buffer_allocate(&client_tls_session, 2, remote_server_certs_buffer, sizeof(remote_server_certs_buffer)); //nx_secure_x509_certificate_initialize(&certificate, cert_der, cert_der_len, NX_NULL, 0, private_key_der, private_key_der_len, NX_SECURE_X509_KEY_TYPE_RSA_PKCS1_DER); nx_secure_x509_certificate_initialize(&client_certificate, test_device_cert_der, test_device_cert_der_len, NX_NULL, 0, test_device_cert_key_der, test_device_cert_key_der_len, NX_SECURE_X509_KEY_TYPE_RSA_PKCS1_DER); nx_secure_tls_local_certificate_add(&client_tls_session, &client_certificate); /* Add a CA Certificate to our trusted store for verifying incoming server certificates. */ nx_secure_x509_certificate_initialize(&trusted_certificate, ca_cert_der, ca_cert_der_len, NX_NULL, 0, NULL, 0, NX_SECURE_X509_KEY_TYPE_NONE); nx_secure_tls_trusted_certificate_add(&client_tls_session, &trusted_certificate); /* Add a timestamp function for time checking and timestamps in the TLS handshake. */ _nx_secure_tls_session_time_function_set(&client_tls_session, tls_timestamp_function); /* Setup the callback invoked when TLS has a certificate it wants to verify so we can do additional checks not done automatically by TLS. */ _nx_secure_tls_session_certificate_callback_set(&client_tls_session, certificate_verification_callback); /* Set callback for server TLS extension handling. */ _nx_secure_tls_session_client_callback_set(&client_tls_session, tls_client_callback); /* Set up a DNS name for the Server Name Indication extension. The server thread will compare * to make sure the name was sent and recieved appropriately. */ nx_secure_x509_dns_name_initialize(&dns_name, TLS_SNI_SERVER_NAME, strlen(TLS_SNI_SERVER_NAME)); nx_secure_tls_session_sni_extension_set(&client_tls_session, &dns_name); #ifdef NX_SECURE_ENABLE_PSK_CIPHERSUITES /* For PSK ciphersuites, add a PSK and identity hint. For the client, we need to add the identity and set it for the particular server with which we want to communicate. "Client_identity" is the identity hint used by default in the OpenSSL s_server application when uisng PSK ciphersuites. */ nx_secure_tls_psk_add(&client_tls_session, tls_psk, sizeof(tls_psk), "Client_identity", 15, "12345678", 8); /* Our target server will use this PSK entry. */ nx_secure_tls_client_psk_set(&client_tls_session, tls_psk, sizeof(tls_psk), "Client_identity", 15, "12345678", 8); #endif /* Connect multiple times. */ for(connect_count = 0; connect_count < TLS_CONNECT_TIMES; ++connect_count) { /* Bind the socket. */ status = nx_tcp_client_socket_bind(&client_socket, 12, NX_IP_PERIODIC_RATE); /* Check for error. */ if(status) { printf("Error in function nx_tcp_client_socket_bind: 0x%x\n", status); error_counter++; } status = nx_tcp_client_socket_connect(&client_socket, IP_ADDRESS(1, 2, 3, 4), 12, 5 * NX_IP_PERIODIC_RATE); if(status) { printf("Error in function nx_tcp_client_socket_connect: 0x%x\n", status); error_counter++; } tx_thread_resume(&ntest_0); status = nx_secure_tls_session_start(&client_tls_session, &client_socket, NX_WAIT_FOREVER); /* Check for error. */ if (status) { printf("Error in Client TLS handshake: 0x%02X\n", status); printf("ERROR!\n"); test_control_return(1); } /* Send some data to be read by the server thread instance. */ nx_secure_tls_packet_allocate(&client_tls_session, &pool_0, &send_packet, NX_WAIT_FOREVER); nx_packet_data_append(send_packet, "Hello there!\r\n", 14, &pool_0, NX_WAIT_FOREVER); status = nx_secure_tls_session_send(&client_tls_session, send_packet, NX_IP_PERIODIC_RATE); /* Check for error. */ if (status) { printf("Error in Client TLS send: %x\n", status); /* Release the packet. */ nx_packet_release(send_packet); error_counter++; } /* Receive the echoed and reversed data, and print it out. */ status = nx_secure_tls_session_receive(&client_tls_session, &receive_packet, NX_WAIT_FOREVER); /* Check for error. */ if (status) { printf("TLS receive failed in Client, error: %x\n", status); error_counter++; } else { status = nx_packet_data_extract_offset(receive_packet, 0, receive_buffer, 400, &bytes); receive_buffer[bytes] = 0; if(strlen(html_data) != bytes) { printf("Error: received data on client does not match that sent by server. \n"); error_counter++; } error_counter += strncmp((CHAR *)receive_buffer, html_data, strlen(html_data)); if(error_counter) { printf("Error in received data from server\n"); } //printf("Received data: %s\n", receive_buffer); } /* Attempt a renegotiation after receiving. */ #ifndef NX_SECURE_TLS_DISABLE_SECURE_RENEGOTIATION status = nx_secure_tls_session_renegotiate(&client_tls_session, NX_WAIT_FOREVER); if(status) { printf("TLS renegotiation request failed with error: 0x%x\n", status); error_counter++; } #endif nx_packet_release(receive_packet); /* Send a large data to the server. */ nx_secure_tls_packet_allocate(&client_tls_session, &pool_0, &send_packet, NX_WAIT_FOREVER); nx_packet_data_append(send_packet, large_app_data, LARGE_SEND_SIZE, &pool_0, NX_WAIT_FOREVER); status = nx_secure_tls_session_send(&client_tls_session, send_packet, NX_IP_PERIODIC_RATE); /* Check for error. */ if (status) { printf("Error in Client TLS send: %x\n", status); /* Release the packet. */ nx_packet_release(send_packet); error_counter++; } /* Receive the large data. */ status = nx_secure_tls_session_receive(&client_tls_session, &receive_packet, NX_WAIT_FOREVER); /* Check for error. */ if (status) { printf("TLS receive failed in Client, error: %x\n", status); error_counter++; } else { memset(client_recv_buffer, 0, LARGE_SEND_SIZE); status = nx_packet_data_extract_offset(receive_packet, 0, client_recv_buffer, LARGE_SEND_SIZE, &bytes); if (LARGE_SEND_SIZE != bytes) { printf("Error: received data on client does not match that sent by server. \n"); error_counter++; } /* Check the received buffer. */ for (i = 0; i < LARGE_SEND_SIZE; ++i) { if (client_recv_buffer[i] != large_app_data[i]) { printf("Error: received data on client does not match that sent by server. \n"); error_counter++; break; } } } /* Test nx_secure_tls_session_send for send_packet with insufficient header room. */ nx_packet_allocate(&pool_0, &send_packet, 0, NX_WAIT_FOREVER); nx_packet_data_append(send_packet, "Hello there!\r\n", 14, &pool_0, NX_WAIT_FOREVER); status = nx_secure_tls_session_send(&client_tls_session, send_packet, NX_IP_PERIODIC_RATE); if (status != NX_SECURE_TLS_INVALID_PACKET) { printf("Expected NX_SECURE_TLS_INVALID_PACKET but got %x\n", status); error_counter++; } nx_packet_release(send_packet); tx_thread_sleep(10); nx_packet_release(receive_packet); /* End the TLS session. This is required to properly shut down the TLS connection. */ status = nx_secure_tls_session_end(&client_tls_session, NX_WAIT_FOREVER); /* If the session did not shut down cleanly, this is a possible security issue. */ if (status) { printf("Error in TLS Client session end: %x\n", status); error_counter++; } /* Disconnect this socket. */ status = nx_tcp_socket_disconnect(&client_socket, NX_WAIT_FOREVER); //NX_IP_PERIODIC_RATE * 10); /* Check for error. */ if(status) { printf("Error in function nx_tcp_socket_disconnect: 0x%x\n", status); error_counter++; } /* Bind the socket. */ status = nx_tcp_client_socket_unbind(&client_socket); /* Check for error. */ if(status) { printf("Error in function nx_tcp_client_socket_unbind: 0x%x\n", status); error_counter++; } } /* End connect loop. */ /* Delete TLS session. */ status = nx_secure_tls_session_delete(&client_tls_session); /* Check for error. */ if(status) { printf("Error in function nx_secure_tls_session_delete: %x\n", status); error_counter++; } /* Delete the socket. */ status = nx_tcp_socket_delete(&client_socket); /* Check for error. */ if(status) { printf("Error in function nx_tcp_socket_delete: %x\n", status); error_counter++; } /* Shutdown the TLS services. */ nx_secure_tls_shutdown(); if (check_cleanup_error()) { printf("Error in function check_cleanup_error\n"); error_counter++; } /* Determine if the test was successful. */ if(error_counter) { printf("ERROR!\n"); test_control_return(1); } else { printf("SUCCESS!\n"); test_control_return(0); } } static void ntest_0_connect_received(NX_TCP_SOCKET *socket_ptr, UINT port) { /* Check for the proper socket and port. */ if((socket_ptr != &server_socket) || (port != 12)) error_counter++; } static void ntest_0_disconnect_received(NX_TCP_SOCKET *socket) { /* Check for proper disconnected socket. */ if(socket != &server_socket) error_counter++; } #else #ifdef CTEST void test_application_define(void *first_unused_memory); void test_application_define(void *first_unused_memory) #else VOID nx_secure_tls_hash_clone_test_application_define(void *first_unused_memory) #endif { /* Print out test information banner. */ printf("NetX Secure Test: TLS Handshake Hash Clone Test......................N/A\n"); test_control_return(3); } #endif