diff options
Diffstat (limited to 'openbsc/tests/gprs')
-rw-r--r-- | openbsc/tests/gprs/Makefile.am | 4 | ||||
-rw-r--r-- | openbsc/tests/gprs/gprs_test.c | 480 | ||||
-rw-r--r-- | openbsc/tests/gprs/gprs_test.ok | 14 |
3 files changed, 2 insertions, 496 deletions
diff --git a/openbsc/tests/gprs/Makefile.am b/openbsc/tests/gprs/Makefile.am index b57977b94..902313f2a 100644 --- a/openbsc/tests/gprs/Makefile.am +++ b/openbsc/tests/gprs/Makefile.am @@ -5,8 +5,6 @@ EXTRA_DIST = gprs_test.ok noinst_PROGRAMS = gprs_test -gprs_test_SOURCES = gprs_test.c $(top_srcdir)/src/gprs/gprs_utils.c \ - $(top_srcdir)/src/gprs/gprs_gsup_messages.c \ - $(top_srcdir)/src/libcommon/utils.c +gprs_test_SOURCES = gprs_test.c $(top_srcdir)/src/gprs/gprs_utils.c gprs_test_LDADD = $(LIBOSMOCORE_LIBS) $(LIBOSMOGSM_LIBS) diff --git a/openbsc/tests/gprs/gprs_test.c b/openbsc/tests/gprs/gprs_test.c index c78b98ab5..ff7740494 100644 --- a/openbsc/tests/gprs/gprs_test.c +++ b/openbsc/tests/gprs/gprs_test.c @@ -5,17 +5,14 @@ #include <openbsc/gprs_llc.h> #include <openbsc/gprs_utils.h> -#include <openbsc/gprs_gsup_messages.h> - #include <openbsc/debug.h> #include <osmocom/core/application.h> +#include <osmocom/gsm/gsup.h> #define ASSERT_FALSE(x) if (x) { printf("Should have returned false.\n"); abort(); } #define ASSERT_TRUE(x) if (!x) { printf("Should have returned true.\n"); abort(); } -#define VERBOSE_FPRINTF(...) - /** * GSM 04.64 8.4.2 Receipt of unacknowledged information */ @@ -146,479 +143,6 @@ static void test_gsm_03_03_apn(void) } } -/* TODO: Move tlv testing to libosmocore */ -static void check_tlv_parse(uint8_t **data, size_t *data_len, - uint8_t exp_tag, size_t exp_len, const uint8_t *exp_val) -{ - uint8_t *value; - size_t value_len; - uint8_t tag; - int rc; - uint8_t *saved_data = *data; - size_t saved_data_len = *data_len; - - rc = gprs_match_tlv(data, data_len, exp_tag ^ 1, NULL, NULL); - OSMO_ASSERT(rc == 0); - - rc = gprs_match_tlv(data, data_len, exp_tag, &value, &value_len); - OSMO_ASSERT(rc == (int)value_len + 2); - OSMO_ASSERT(value_len == exp_len); - OSMO_ASSERT(memcmp(value, exp_val, exp_len) == 0); - - /* restore data/data_len */ - *data = saved_data; - *data_len = saved_data_len; - - rc = gprs_shift_tlv(data, data_len, &tag, &value, &value_len); - OSMO_ASSERT(rc == (int)value_len + 2); - OSMO_ASSERT(tag == exp_tag); - OSMO_ASSERT(value_len == exp_len); - OSMO_ASSERT(memcmp(value, exp_val, exp_len) == 0); -} - -static void check_tv_fixed_match(uint8_t **data, size_t *data_len, - uint8_t tag, size_t len, const uint8_t *exp_val) -{ - uint8_t *value; - int rc; - - rc = gprs_match_tv_fixed(data, data_len, tag ^ 1, len, NULL); - OSMO_ASSERT(rc == 0); - - rc = gprs_match_tv_fixed(data, data_len, tag, len, &value); - OSMO_ASSERT(rc == (int)len + 1); - OSMO_ASSERT(memcmp(value, exp_val, len) == 0); -} - -static void check_v_fixed_shift(uint8_t **data, size_t *data_len, - size_t len, const uint8_t *exp_val) -{ - uint8_t *value; - int rc; - - rc = gprs_shift_v_fixed(data, data_len, len, &value); - OSMO_ASSERT(rc == (int)len); - OSMO_ASSERT(memcmp(value, exp_val, len) == 0); -} - -static void check_lv_shift(uint8_t **data, size_t *data_len, - size_t exp_len, const uint8_t *exp_val) -{ - uint8_t *value; - size_t value_len; - int rc; - - rc = gprs_shift_lv(data, data_len, &value, &value_len); - OSMO_ASSERT(rc == (int)value_len + 1); - OSMO_ASSERT(value_len == exp_len); - OSMO_ASSERT(memcmp(value, exp_val, exp_len) == 0); -} - -static void check_tlv_match_data_len(size_t data_len, uint8_t tag, size_t len, - const uint8_t *test_data) -{ - uint8_t buf[300] = {0}; - - uint8_t *unchanged_ptr = buf - 1; - size_t unchanged_len = 0xdead; - size_t tmp_data_len = data_len; - uint8_t *value = unchanged_ptr; - size_t value_len = unchanged_len; - uint8_t *data = buf; - - OSMO_ASSERT(data_len <= sizeof(buf)); - - tlv_put(data, tag, len, test_data); - if (data_len < len + 2) { - OSMO_ASSERT(-1 == gprs_match_tlv(&data, &tmp_data_len, - tag, &value, &value_len)); - OSMO_ASSERT(tmp_data_len == 0); - OSMO_ASSERT(data == buf + data_len); - OSMO_ASSERT(value == unchanged_ptr); - OSMO_ASSERT(value_len == unchanged_len); - } else { - OSMO_ASSERT(0 <= gprs_match_tlv(&data, &tmp_data_len, - tag, &value, &value_len)); - OSMO_ASSERT(value != unchanged_ptr); - OSMO_ASSERT(value_len != unchanged_len); - } -} - -static void check_tv_fixed_match_data_len(size_t data_len, - uint8_t tag, size_t len, - const uint8_t *test_data) -{ - uint8_t buf[300] = {0}; - - uint8_t *unchanged_ptr = buf - 1; - size_t tmp_data_len = data_len; - uint8_t *value = unchanged_ptr; - uint8_t *data = buf; - - OSMO_ASSERT(data_len <= sizeof(buf)); - - tv_fixed_put(data, tag, len, test_data); - - if (data_len < len + 1) { - OSMO_ASSERT(-1 == gprs_match_tv_fixed(&data, &tmp_data_len, - tag, len, &value)); - OSMO_ASSERT(tmp_data_len == 0); - OSMO_ASSERT(data == buf + data_len); - OSMO_ASSERT(value == unchanged_ptr); - } else { - OSMO_ASSERT(0 <= gprs_match_tv_fixed(&data, &tmp_data_len, - tag, len, &value)); - OSMO_ASSERT(value != unchanged_ptr); - } -} - -static void check_v_fixed_shift_data_len(size_t data_len, - size_t len, const uint8_t *test_data) -{ - uint8_t buf[300] = {0}; - - uint8_t *unchanged_ptr = buf - 1; - size_t tmp_data_len = data_len; - uint8_t *value = unchanged_ptr; - uint8_t *data = buf; - - OSMO_ASSERT(data_len <= sizeof(buf)); - - memcpy(data, test_data, len); - - if (data_len < len) { - OSMO_ASSERT(-1 == gprs_shift_v_fixed(&data, &tmp_data_len, - len, &value)); - OSMO_ASSERT(tmp_data_len == 0); - OSMO_ASSERT(data == buf + data_len); - OSMO_ASSERT(value == unchanged_ptr); - } else { - OSMO_ASSERT(0 <= gprs_shift_v_fixed(&data, &tmp_data_len, - len, &value)); - OSMO_ASSERT(value != unchanged_ptr); - } -} - -static void check_lv_shift_data_len(size_t data_len, - size_t len, const uint8_t *test_data) -{ - uint8_t buf[300] = {0}; - - uint8_t *unchanged_ptr = buf - 1; - size_t unchanged_len = 0xdead; - size_t tmp_data_len = data_len; - uint8_t *value = unchanged_ptr; - size_t value_len = unchanged_len; - uint8_t *data = buf; - - lv_put(data, len, test_data); - if (data_len < len + 1) { - OSMO_ASSERT(-1 == gprs_shift_lv(&data, &tmp_data_len, - &value, &value_len)); - OSMO_ASSERT(tmp_data_len == 0); - OSMO_ASSERT(data == buf + data_len); - OSMO_ASSERT(value == unchanged_ptr); - OSMO_ASSERT(value_len == unchanged_len); - } else { - OSMO_ASSERT(0 <= gprs_shift_lv(&data, &tmp_data_len, - &value, &value_len)); - OSMO_ASSERT(value != unchanged_ptr); - OSMO_ASSERT(value_len != unchanged_len); - } -} - -static void test_tlv_shift_functions() -{ - uint8_t test_data[1024]; - uint8_t buf[1024]; - uint8_t *data_end; - unsigned i, len; - uint8_t *data; - size_t data_len; - const uint8_t tag = 0x1a; - - printf("Test shift functions\n"); - - for (i = 0; i < ARRAY_SIZE(test_data); i++) - test_data[i] = (uint8_t)i; - - for (len = 0; len < 256; len++) { - const unsigned iterations = sizeof(buf) / (len + 2) / 4; - - memset(buf, 0xee, sizeof(buf)); - data_end = data = buf; - - for (i = 0; i < iterations; i++) { - data_end = tlv_put(data_end, tag, len, test_data); - data_end = tv_fixed_put(data_end, tag, len, test_data); - /* v_fixed_put */ - memcpy(data_end, test_data, len); - data_end += len; - data_end = lv_put(data_end, len, test_data); - } - - data_len = data_end - data; - OSMO_ASSERT(data_len <= sizeof(buf)); - - for (i = 0; i < iterations; i++) { - check_tlv_parse(&data, &data_len, tag, len, test_data); - check_tv_fixed_match(&data, &data_len, tag, len, test_data); - check_v_fixed_shift(&data, &data_len, len, test_data); - check_lv_shift(&data, &data_len, len, test_data); - } - - OSMO_ASSERT(data == data_end); - - /* Test at end of data */ - - OSMO_ASSERT(-1 == gprs_match_tlv(&data, &data_len, tag, NULL, NULL)); - OSMO_ASSERT(-1 == gprs_match_tv_fixed(&data, &data_len, tag, len, NULL)); - OSMO_ASSERT((len ? -1 : 0) == gprs_shift_v_fixed(&data, &data_len, len, NULL)); - OSMO_ASSERT(-1 == gprs_shift_lv(&data, &data_len, NULL, NULL)); - - /* Test invalid data_len */ - for (data_len = 0; data_len <= len + 2 + 1; data_len += 1) { - check_tlv_match_data_len(data_len, tag, len, test_data); - check_tv_fixed_match_data_len(data_len, tag, len, test_data); - check_v_fixed_shift_data_len(data_len, len, test_data); - check_lv_shift_data_len(data_len, len, test_data); - } - } -} - -/* Tests for gprs_gsup_messages.c */ - -#define TEST_IMSI_IE 0x01, 0x08, 0x21, 0x43, 0x65, 0x87, 0x09, 0x21, 0x43, 0xf5 -#define TEST_IMSI_STR "123456789012345" - -static void test_gsup_messages_dec_enc(void) -{ - int test_idx; - int rc; - uint8_t buf[1024]; - - static const uint8_t send_auth_info_req[] = { - 0x08, - TEST_IMSI_IE - }; - - static const uint8_t send_auth_info_err[] = { - 0x09, - TEST_IMSI_IE, - 0x02, 0x01, 0x07 /* GPRS no allowed */ - }; - - static const uint8_t send_auth_info_res[] = { - 0x0a, - TEST_IMSI_IE, - 0x03, 0x22, /* Auth tuple */ - 0x20, 0x10, - 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, - 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, - 0x21, 0x04, - 0x21, 0x22, 0x23, 0x24, - 0x22, 0x08, - 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, - 0x03, 0x22, /* Auth tuple */ - 0x20, 0x10, - 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, - 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, - 0x21, 0x04, - 0xa1, 0xa2, 0xa3, 0xa4, - 0x22, 0x08, - 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, - }; - - static const uint8_t update_location_req[] = { - 0x04, - TEST_IMSI_IE, - }; - - static const uint8_t update_location_err[] = { - 0x05, - TEST_IMSI_IE, - 0x02, 0x01, 0x07 /* GPRS no allowed */ - }; - - static const uint8_t update_location_res[] = { - 0x06, - TEST_IMSI_IE, - 0x08, 0x07, /* MSISDN of the subscriber */ - 0x91, 0x94, 0x61, 0x46, 0x32, 0x24, 0x43, - 0x09, 0x07, /* HLR-Number of the subscriber */ - 0x91, 0x83, 0x52, 0x38, 0x48, 0x83, 0x93, - 0x04, 0x00, /* PDP info complete */ - 0x05, 0x15, - 0x10, 0x01, 0x01, - 0x11, 0x02, 0xf1, 0x21, /* IPv4 */ - 0x12, 0x09, 0x04, 't', 'e', 's', 't', 0x03, 'a', 'p', 'n', - 0x13, 0x01, 0x02, - 0x05, 0x11, - 0x10, 0x01, 0x02, - 0x11, 0x02, 0xf1, 0x21, /* IPv4 */ - 0x12, 0x08, 0x03, 'f', 'o', 'o', 0x03, 'a', 'p', 'n', - }; - - static const uint8_t location_cancellation_req[] = { - 0x1c, - TEST_IMSI_IE, - 0x06, 0x01, 0x00, - }; - - static const uint8_t location_cancellation_err[] = { - 0x1d, - TEST_IMSI_IE, - 0x02, 0x01, 0x03 /* Illegal MS */ - }; - - static const uint8_t location_cancellation_res[] = { - 0x1e, - TEST_IMSI_IE, - }; - - static const uint8_t purge_ms_req[] = { - 0x0c, - TEST_IMSI_IE, - }; - - static const uint8_t purge_ms_err[] = { - 0x0d, - TEST_IMSI_IE, - 0x02, 0x01, 0x03, /* Illegal MS */ - }; - - static const uint8_t purge_ms_res[] = { - 0x0e, - TEST_IMSI_IE, - 0x07, 0x00, - }; - - static const struct test { - char *name; - const uint8_t *data; - size_t data_len; - } test_messages[] = { - {"Send Authentication Info Request", - send_auth_info_req, sizeof(send_auth_info_req)}, - {"Send Authentication Info Error", - send_auth_info_err, sizeof(send_auth_info_err)}, - {"Send Authentication Info Result", - send_auth_info_res, sizeof(send_auth_info_res)}, - {"Update Location Request", - update_location_req, sizeof(update_location_req)}, - {"Update Location Error", - update_location_err, sizeof(update_location_err)}, - {"Update Location Result", - update_location_res, sizeof(update_location_res)}, - {"Location Cancellation Request", - location_cancellation_req, sizeof(location_cancellation_req)}, - {"Location Cancellation Error", - location_cancellation_err, sizeof(location_cancellation_err)}, - {"Location Cancellation Result", - location_cancellation_res, sizeof(location_cancellation_res)}, - {"Purge MS Request", - purge_ms_req, sizeof(purge_ms_req)}, - {"Purge MS Error", - purge_ms_err, sizeof(purge_ms_err)}, - {"Purge MS Result", - purge_ms_res, sizeof(purge_ms_res)}, - }; - - printf("Test GSUP message decoding/encoding\n"); - - for (test_idx = 0; test_idx < ARRAY_SIZE(test_messages); test_idx++) { - const struct test *t = &test_messages[test_idx]; - struct gprs_gsup_message gm = {0}; - struct msgb *msg = msgb_alloc(4096, "gsup_test"); - - printf(" Testing %s\n", t->name); - - rc = gprs_gsup_decode(t->data, t->data_len, &gm); - OSMO_ASSERT(rc >= 0); - - gprs_gsup_encode(msg, &gm); - - fprintf(stderr, " generated message: %s\n", msgb_hexdump(msg)); - fprintf(stderr, " original message: %s\n", osmo_hexdump(t->data, t->data_len)); - fprintf(stderr, " IMSI: %s\n", gm.imsi); - OSMO_ASSERT(strcmp(gm.imsi, TEST_IMSI_STR) == 0); - OSMO_ASSERT(msgb_length(msg) == t->data_len); - OSMO_ASSERT(memcmp(msgb_data(msg), t->data, t->data_len) == 0); - - msgb_free(msg); - } - - /* simple truncation test */ - for (test_idx = 0; test_idx < ARRAY_SIZE(test_messages); test_idx++) { - int j; - const struct test *t = &test_messages[test_idx]; - int ie_end = t->data_len; - struct gprs_gsup_message gm = {0}; - int counter = 0; - int parse_err = 0; - - for (j = t->data_len - 1; j >= 0; --j) { - rc = gprs_gsup_decode(t->data, j, &gm); - counter += 1; - - VERBOSE_FPRINTF(stderr, - " partial message decoding: " - "orig_len = %d, trunc = %d, rc = %d, ie_end = %d\n", - t->data_len, j, rc, ie_end); - if (rc >= 0) { - VERBOSE_FPRINTF(stderr, - " remaing partial message: %s\n", - osmo_hexdump(t->data + j, ie_end - j)); - - OSMO_ASSERT(j <= ie_end - 2); - OSMO_ASSERT(t->data[j+0] <= GPRS_GSUP_KC_IE); - OSMO_ASSERT(t->data[j+1] <= ie_end - j - 2); - - ie_end = j; - } else { - parse_err += 1; - } - } - - fprintf(stderr, - " message %d: tested %d truncations, %d parse failures\n", - test_idx, counter, parse_err); - } - - /* message modification test (relies on ASAN or valgrind being used) */ - for (test_idx = 0; test_idx < ARRAY_SIZE(test_messages); test_idx++) { - int j; - const struct test *t = &test_messages[test_idx]; - struct gprs_gsup_message gm = {0}; - uint8_t val; - int counter = 0; - int parse_err = 0; - - OSMO_ASSERT(sizeof(buf) >= t->data_len); - - for (j = t->data_len - 1; j >= 0; --j) { - memcpy(buf, t->data, t->data_len); - val = 0; - do { - VERBOSE_FPRINTF(stderr, - "t = %d, len = %d, val = %d\n", - test_idx, j, val); - buf[j] = val; - rc = gprs_gsup_decode(buf, t->data_len, &gm); - counter += 1; - if (rc < 0) - parse_err += 1; - - val += 1; - } while (val != (uint8_t)256); - } - - fprintf(stderr, - " message %d: tested %d modifications, %d parse failures\n", - test_idx, counter, parse_err); - } -} - static void test_gprs_timer_enc_dec(void) { int i, u, secs, tmr; @@ -705,8 +229,6 @@ int main(int argc, char **argv) test_8_4_2(); test_gsm_03_03_apn(); - test_tlv_shift_functions(); - test_gsup_messages_dec_enc(); test_gprs_timer_enc_dec(); printf("Done.\n"); diff --git a/openbsc/tests/gprs/gprs_test.ok b/openbsc/tests/gprs/gprs_test.ok index cf710769e..da7888c6a 100644 --- a/openbsc/tests/gprs/gprs_test.ok +++ b/openbsc/tests/gprs/gprs_test.ok @@ -13,19 +13,5 @@ N(U) = 511, V(UR) = 511 => new N(U) = 510, V(UR) = 511 => retransmit N(U) = 481, V(UR) = 511 => retransmit N(U) = 479, V(UR) = 511 => new -Test shift functions -Test GSUP message decoding/encoding - Testing Send Authentication Info Request - Testing Send Authentication Info Error - Testing Send Authentication Info Result - Testing Update Location Request - Testing Update Location Error - Testing Update Location Result - Testing Location Cancellation Request - Testing Location Cancellation Error - Testing Location Cancellation Result - Testing Purge MS Request - Testing Purge MS Error - Testing Purge MS Result Test GPRS timer decoding/encoding Done. |