| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <inttypes.h> |
| |
| #include <osmocom/core/application.h> |
| #include <osmocom/core/utils.h> |
| #include <osmocom/core/logging.h> |
| #include <osmocom/gsm/apn.h> |
| |
| 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 = osmo_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 = osmo_apn_from_str(encoded, ARRAY_SIZE(encoded), wanted_output); |
| OSMO_ASSERT(enc_len == len); |
| OSMO_ASSERT(memcmp(encoded, input, enc_len) == 0); |
| } else { |
| enc_len = osmo_apn_from_str(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 = osmo_apn_from_str(output, 0, ""); |
| OSMO_ASSERT(enc_len == -1); |
| OSMO_ASSERT(memcmp(ref, output, ARRAY_SIZE(ref)) == 0); |
| |
| memcpy(output, ref, ARRAY_SIZE(output)); |
| enc_len = osmo_apn_from_str(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 = osmo_apn_from_str(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 = osmo_apn_from_str(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 = osmo_apn_from_str(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(osmo_apn_to_str(NULL, input, ARRAY_SIZE(input) - 1) == NULL); |
| } |
| |
| { |
| /* NULL input */ |
| uint8_t input[] = { 0x1, 65 }; |
| char *output = "LOL"; |
| OSMO_ASSERT(osmo_apn_to_str(output, NULL, 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(osmo_apn_to_str(tmp, input, ARRAY_SIZE(input) - 1) == NULL); |
| OSMO_ASSERT(osmo_apn_to_str(tmp, input, ARRAY_SIZE(input) - 2) == NULL); |
| OSMO_ASSERT(osmo_apn_to_str(tmp, input, ARRAY_SIZE(input) - 4) == NULL); |
| OSMO_ASSERT(osmo_apn_to_str(tmp, input, ARRAY_SIZE(input) - 5) == NULL); |
| OSMO_ASSERT(osmo_apn_to_str(tmp, input, ARRAY_SIZE(input) - 6) == NULL); |
| } |
| } |
| |
| const struct log_info_cat default_categories[] = { |
| }; |
| |
| static struct log_info info = { |
| .cat = default_categories, |
| .num_cat = ARRAY_SIZE(default_categories), |
| }; |
| |
| int main(int argc, char **argv) |
| { |
| void *ctx = talloc_named_const(NULL, 0, "gprs_test"); |
| osmo_init_logging2(ctx, &info); |
| |
| test_gsm_03_03_apn(); |
| |
| printf("Done.\n"); |
| return EXIT_SUCCESS; |
| } |