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Diffstat (limited to 'test/unit/nts_ke_session.c')
| -rw-r--r-- | test/unit/nts_ke_session.c | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/test/unit/nts_ke_session.c b/test/unit/nts_ke_session.c new file mode 100644 index 0000000..adcade6 --- /dev/null +++ b/test/unit/nts_ke_session.c @@ -0,0 +1,218 @@ +/* + ********************************************************************** + * Copyright (C) Miroslav Lichvar 2020 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + ********************************************************************** + */ + +#include <config.h> +#include "test.h" + +#ifdef FEAT_NTS + +#include <nts_ke_session.c> + +#include <local.h> +#include <socket.h> +#include <sched.h> + +static NKSN_Instance client, server; +static unsigned char record[NKE_MAX_MESSAGE_LENGTH]; +static int record_length, critical, type_start, records; +static int request_received; +static int response_received; + +static void +send_message(NKSN_Instance inst) +{ + int i; + + record_length = random() % (NKE_MAX_MESSAGE_LENGTH - 4 + 1); + for (i = 0; i < record_length; i++) + record[i] = random() % 256; + critical = random() % 2; + type_start = random() % 30000 + 1; + assert(sizeof (struct RecordHeader) == 4); + records = random() % ((NKE_MAX_MESSAGE_LENGTH - 4) / (4 + record_length) + 1); + + DEBUG_LOG("critical=%d type_start=%d records=%d*%d", + critical, type_start, records, record_length); + + NKSN_BeginMessage(inst); + + TEST_CHECK(check_message_format(&inst->message, 0)); + TEST_CHECK(!check_message_format(&inst->message, 1)); + + TEST_CHECK(!NKSN_AddRecord(inst, 0, 1, record, NKE_MAX_MESSAGE_LENGTH - 4 + 1)); + + TEST_CHECK(check_message_format(&inst->message, 0)); + TEST_CHECK(!check_message_format(&inst->message, 1)); + + for (i = 0; i < records; i++) { + TEST_CHECK(NKSN_AddRecord(inst, critical, type_start + i, record, record_length)); + TEST_CHECK(!NKSN_AddRecord(inst, 0, 1, &record, + NKE_MAX_MESSAGE_LENGTH - inst->message.length - 4 + 1)); + + TEST_CHECK(check_message_format(&inst->message, 0)); + TEST_CHECK(!check_message_format(&inst->message, 1)); + } + + TEST_CHECK(NKSN_EndMessage(inst)); + + TEST_CHECK(check_message_format(&inst->message, 0)); + TEST_CHECK(check_message_format(&inst->message, 1)); +} + +static void +verify_message(NKSN_Instance inst) +{ + unsigned char buffer[NKE_MAX_MESSAGE_LENGTH]; + int i, c, t, length, buffer_length, msg_length, prev_parsed; + NKE_Key c2s, s2c; + + for (i = 0; i < records; i++) { + memset(buffer, 0, sizeof (buffer)); + buffer_length = random() % (record_length + 1); + assert(buffer_length <= sizeof (buffer)); + + prev_parsed = inst->message.parsed; + msg_length = inst->message.length; + + TEST_CHECK(NKSN_GetRecord(inst, &c, &t, &length, buffer, buffer_length)); + TEST_CHECK(c == critical); + TEST_CHECK(t == type_start + i); + TEST_CHECK(length == record_length); + TEST_CHECK(memcmp(record, buffer, buffer_length) == 0); + if (buffer_length < record_length) + TEST_CHECK(buffer[buffer_length] == 0); + + inst->message.length = inst->message.parsed - 1; + inst->message.parsed = prev_parsed; + TEST_CHECK(!get_record(&inst->message, NULL, NULL, NULL, buffer, buffer_length)); + TEST_CHECK(inst->message.parsed == prev_parsed); + inst->message.length = msg_length; + if (msg_length < 0x8000) { + inst->message.data[prev_parsed + 2] ^= 0x80; + TEST_CHECK(!get_record(&inst->message, NULL, NULL, NULL, buffer, buffer_length)); + TEST_CHECK(inst->message.parsed == prev_parsed); + inst->message.data[prev_parsed + 2] ^= 0x80; + } + TEST_CHECK(get_record(&inst->message, NULL, NULL, NULL, buffer, buffer_length)); + TEST_CHECK(inst->message.parsed > prev_parsed); + } + + TEST_CHECK(!NKSN_GetRecord(inst, &critical, &t, &length, buffer, sizeof (buffer))); + + TEST_CHECK(NKSN_GetKeys(inst, AEAD_AES_SIV_CMAC_256, &c2s, &s2c)); + TEST_CHECK(c2s.length == SIV_GetKeyLength(AEAD_AES_SIV_CMAC_256)); + TEST_CHECK(s2c.length == SIV_GetKeyLength(AEAD_AES_SIV_CMAC_256)); +} + +static int +handle_request(void *arg) +{ + NKSN_Instance server = arg; + + verify_message(server); + + request_received = 1; + + send_message(server); + + return 1; +} + +static int +handle_response(void *arg) +{ + NKSN_Instance client = arg; + + response_received = 1; + + verify_message(client); + + return 1; +} + +static void +check_finished(void *arg) +{ + DEBUG_LOG("checking for stopped sessions"); + if (!NKSN_IsStopped(server) || !NKSN_IsStopped(client)) { + SCH_AddTimeoutByDelay(0.001, check_finished, NULL); + return; + } + + SCH_QuitProgram(); +} + +void +test_unit(void) +{ + void *client_cred, *server_cred; + int sock_fds[2], i; + + LCL_Initialise(); + TST_RegisterDummyDrivers(); + + for (i = 0; i < 50; i++) { + SCH_Initialise(); + + server = NKSN_CreateInstance(1, NULL, handle_request, NULL); + client = NKSN_CreateInstance(0, "test", handle_response, NULL); + + server_cred = NKSN_CreateCertCredentials("nts_ke.crt", "nts_ke.key", NULL); + client_cred = NKSN_CreateCertCredentials(NULL, NULL, "nts_ke.crt"); + + TEST_CHECK(socketpair(AF_UNIX, SOCK_STREAM, 0, sock_fds) == 0); + TEST_CHECK(fcntl(sock_fds[0], F_SETFL, O_NONBLOCK) == 0); + TEST_CHECK(fcntl(sock_fds[1], F_SETFL, O_NONBLOCK) == 0); + + TEST_CHECK(NKSN_StartSession(server, sock_fds[0], "client", server_cred, 4.0)); + TEST_CHECK(NKSN_StartSession(client, sock_fds[1], "server", client_cred, 4.0)); + + send_message(client); + + request_received = response_received = 0; + + check_finished(NULL); + + SCH_MainLoop(); + + TEST_CHECK(NKSN_IsStopped(server)); + TEST_CHECK(NKSN_IsStopped(client)); + + TEST_CHECK(request_received); + TEST_CHECK(response_received); + + NKSN_DestroyInstance(server); + NKSN_DestroyInstance(client); + + NKSN_DestroyCertCredentials(server_cred); + NKSN_DestroyCertCredentials(client_cred); + + SCH_Finalise(); + } + + LCL_Finalise(); +} +#else +void +test_unit(void) +{ + TEST_REQUIRE(0); +} +#endif |