| #include <stdio.h> |
| #include <stdlib.h> |
| #include <inttypes.h> |
| |
| #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> |
| |
| #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 |
| */ |
| static int nu_is_retransmission(uint16_t nu, uint16_t vur) |
| { |
| int ret = gprs_llc_is_retransmit(nu, vur); |
| printf("N(U) = %d, V(UR) = %d => %s\n", nu, vur, |
| ret == 1 ? "retransmit" : "new"); |
| return ret; |
| } |
| |
| static void test_8_4_2() |
| { |
| printf("Testing gprs_llc_is_retransmit.\n"); |
| |
| ASSERT_FALSE(nu_is_retransmission(0, 0)); |
| ASSERT_TRUE (nu_is_retransmission(0, 1)); |
| |
| /* expect 1... check for retransmissions */ |
| ASSERT_TRUE (nu_is_retransmission(0, 1)); |
| ASSERT_TRUE (nu_is_retransmission(511, 1)); |
| ASSERT_TRUE (nu_is_retransmission(483, 1)); |
| ASSERT_TRUE (nu_is_retransmission(482, 1)); |
| ASSERT_FALSE(nu_is_retransmission(481, 1)); |
| |
| /* expect 511... check for retransmissions */ |
| ASSERT_FALSE(nu_is_retransmission(0, 240)); // ahead |
| ASSERT_FALSE(nu_is_retransmission(0, 511)); // ahead |
| ASSERT_FALSE(nu_is_retransmission(1, 511)); // ahead |
| ASSERT_FALSE(nu_is_retransmission(511, 511)); // same |
| ASSERT_TRUE (nu_is_retransmission(510, 511)); // behind |
| ASSERT_TRUE (nu_is_retransmission(481, 511)); // behind |
| ASSERT_FALSE(nu_is_retransmission(479, 511)); // wrapped |
| } |
| |
| static void apn_round_trip(const uint8_t *input, size_t len, const char *wanted_output) |
| { |
| char output[len ? len : 1]; |
| uint8_t encoded[len + 50]; |
| char *out_str; |
| int enc_len; |
| |
| /* decode and verify we have what we want */ |
| out_str = gprs_apn_to_str(output, input, len); |
| OSMO_ASSERT(out_str); |
| OSMO_ASSERT(out_str == &output[0]); |
| OSMO_ASSERT(strlen(out_str) == strlen(wanted_output)); |
| OSMO_ASSERT(strcmp(out_str, wanted_output) == 0); |
| |
| /* encode and verify it */ |
| if (len != 0) { |
| enc_len = gprs_str_to_apn(encoded, ARRAY_SIZE(encoded), wanted_output); |
| OSMO_ASSERT(enc_len == len); |
| OSMO_ASSERT(memcmp(encoded, input, enc_len) == 0); |
| } else { |
| enc_len = gprs_str_to_apn(encoded, 0, wanted_output); |
| OSMO_ASSERT(enc_len == -1); |
| } |
| } |
| |
| static void test_gsm_03_03_apn(void) |
| { |
| |
| { |
| /* test invalid writes */ |
| const uint8_t ref[10] = { 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF }; |
| uint8_t output[10]; |
| int enc_len; |
| |
| memcpy(output, ref, ARRAY_SIZE(output)); |
| enc_len = gprs_str_to_apn(output, 0, ""); |
| OSMO_ASSERT(enc_len == -1); |
| OSMO_ASSERT(memcmp(ref, output, ARRAY_SIZE(ref)) == 0); |
| |
| memcpy(output, ref, ARRAY_SIZE(output)); |
| enc_len = gprs_str_to_apn(output, 0, "foo"); |
| OSMO_ASSERT(enc_len == -1); |
| OSMO_ASSERT(memcmp(ref, output, ARRAY_SIZE(ref)) == 0); |
| |
| memcpy(output, ref, ARRAY_SIZE(output)); |
| enc_len = gprs_str_to_apn(output, 1, "foo"); |
| OSMO_ASSERT(enc_len == -1); |
| OSMO_ASSERT(memcmp(ref + 1, output + 1, ARRAY_SIZE(ref) - 1) == 0); |
| |
| memcpy(output, ref, ARRAY_SIZE(output)); |
| enc_len = gprs_str_to_apn(output, 2, "foo"); |
| OSMO_ASSERT(enc_len == -1); |
| OSMO_ASSERT(memcmp(ref + 2, output + 2, ARRAY_SIZE(ref) - 2) == 0); |
| |
| memcpy(output, ref, ARRAY_SIZE(output)); |
| enc_len = gprs_str_to_apn(output, 3, "foo"); |
| OSMO_ASSERT(enc_len == -1); |
| OSMO_ASSERT(memcmp(ref + 3, output + 3, ARRAY_SIZE(ref) - 3) == 0); |
| } |
| |
| { |
| /* single empty label */ |
| uint8_t input[] = { 0x0 }; |
| const char *output = ""; |
| apn_round_trip(input, ARRAY_SIZE(input), output); |
| } |
| |
| { |
| /* no label */ |
| uint8_t input[] = { }; |
| const char *output = ""; |
| apn_round_trip(input, ARRAY_SIZE(input), output); |
| } |
| |
| { |
| /* single label with A */ |
| uint8_t input[] = { 0x1, 65 }; |
| const char *output = "A"; |
| apn_round_trip(input, ARRAY_SIZE(input), output); |
| OSMO_ASSERT(gprs_apn_to_str(NULL, input, ARRAY_SIZE(input) - 1) == NULL); |
| } |
| |
| { |
| uint8_t input[] = { 0x3, 65, 66, 67, 0x2, 90, 122 }; |
| const char *output = "ABC.Zz"; |
| char tmp[strlen(output) + 1]; |
| apn_round_trip(input, ARRAY_SIZE(input), output); |
| OSMO_ASSERT(gprs_apn_to_str(tmp, input, ARRAY_SIZE(input) - 1) == NULL); |
| OSMO_ASSERT(gprs_apn_to_str(tmp, input, ARRAY_SIZE(input) - 2) == NULL); |
| OSMO_ASSERT(gprs_apn_to_str(tmp, input, ARRAY_SIZE(input) - 4) == NULL); |
| OSMO_ASSERT(gprs_apn_to_str(tmp, input, ARRAY_SIZE(input) - 5) == NULL); |
| OSMO_ASSERT(gprs_apn_to_str(tmp, input, ARRAY_SIZE(input) - 6) == NULL); |
| } |
| } |
| |
| /* 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, |
| 0x04, 0x00, /* PDP info complete */ |
| 0x05, 0x12, |
| 0x10, 0x01, 0x01, |
| 0x11, 0x02, 0xf1, 0x21, /* IPv4 */ |
| 0x12, 0x09, 0x04, 't', 'e', 's', 't', 0x03, 'a', 'p', 'n', |
| 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; |
| const int upper_secs_test_limit = 12000; |
| int dec_secs, last_dec_secs = -1; |
| |
| printf("Test GPRS timer decoding/encoding\n"); |
| |
| /* Check gprs_tmr_to_secs with all 256 encoded values */ |
| for (u = 0; u <= GPRS_TMR_DEACTIVATED; u += 32) { |
| fprintf(stderr, "Testing decoding with timer value unit %u\n", |
| u / 32); |
| for (i = 0; i < 32; i++) { |
| switch (u) { |
| case GPRS_TMR_2SECONDS: |
| OSMO_ASSERT(gprs_tmr_to_secs(u + i) == 2 * i); |
| break; |
| |
| default: |
| case GPRS_TMR_MINUTE: |
| OSMO_ASSERT(gprs_tmr_to_secs(u + i) == 60 * i); |
| break; |
| |
| case GPRS_TMR_6MINUTE: |
| OSMO_ASSERT(gprs_tmr_to_secs(u + i) == 360 * i); |
| break; |
| |
| case GPRS_TMR_DEACTIVATED: |
| OSMO_ASSERT(gprs_tmr_to_secs(u + i) == -1); |
| break; |
| } |
| |
| OSMO_ASSERT(gprs_tmr_to_secs(u + i) < upper_secs_test_limit); |
| } |
| } |
| |
| /* Check gprs_secs_to_tmr_floor for secs that can exactly be |
| * represented as GPRS timer values */ |
| for (i = 0; i < GPRS_TMR_DEACTIVATED; i++) { |
| int j; |
| secs = gprs_tmr_to_secs(i); |
| tmr = gprs_secs_to_tmr_floor(secs); |
| OSMO_ASSERT(secs == gprs_tmr_to_secs(tmr)); |
| |
| /* Check that the highest resolution is used */ |
| for (j = 0; j < tmr; j++) |
| OSMO_ASSERT(secs != gprs_tmr_to_secs(j)); |
| } |
| OSMO_ASSERT(GPRS_TMR_DEACTIVATED == gprs_secs_to_tmr_floor(-1)); |
| |
| /* Check properties of gprs_secs_to_tmr_floor */ |
| for (secs = 0; secs <= upper_secs_test_limit; secs++) { |
| int tmr = gprs_secs_to_tmr_floor(secs); |
| int delta_secs = gprs_tmr_to_secs((tmr & ~0x1f) | 1); |
| dec_secs = gprs_tmr_to_secs(tmr); |
| |
| /* Check floor */ |
| OSMO_ASSERT(dec_secs <= secs); |
| /* Check monotonicity */ |
| OSMO_ASSERT(dec_secs >= last_dec_secs); |
| /* Check max distance (<= resolution) */ |
| OSMO_ASSERT(dec_secs - last_dec_secs <= delta_secs); |
| |
| last_dec_secs = dec_secs; |
| } |
| } |
| |
| const struct log_info_cat default_categories[] = { |
| [DGPRS] = { |
| .name = "DGPRS", |
| .description = "GPRS Packet Service", |
| .enabled = 0, .loglevel = LOGL_DEBUG, |
| }, |
| }; |
| |
| static struct log_info info = { |
| .cat = default_categories, |
| .num_cat = ARRAY_SIZE(default_categories), |
| }; |
| |
| int main(int argc, char **argv) |
| { |
| osmo_init_logging(&info); |
| |
| 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"); |
| return EXIT_SUCCESS; |
| } |