mirror of https://gerrit.osmocom.org/libosmocore
123 lines
3.4 KiB
C
123 lines
3.4 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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#include <osmocom/core/application.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/core/logging.h>
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#include <osmocom/gsm/apn.h>
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static void apn_round_trip(const uint8_t *input, size_t len, const char *wanted_output)
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{
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char output[len ? len : 1];
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uint8_t encoded[len + 50];
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char *out_str;
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int enc_len;
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/* decode and verify we have what we want */
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out_str = osmo_apn_to_str(output, input, len);
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OSMO_ASSERT(out_str);
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OSMO_ASSERT(out_str == &output[0]);
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OSMO_ASSERT(strlen(out_str) == strlen(wanted_output));
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OSMO_ASSERT(strcmp(out_str, wanted_output) == 0);
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/* encode and verify it */
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if (len != 0) {
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enc_len = osmo_apn_from_str(encoded, ARRAY_SIZE(encoded), wanted_output);
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OSMO_ASSERT(enc_len == len);
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OSMO_ASSERT(memcmp(encoded, input, enc_len) == 0);
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} else {
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enc_len = osmo_apn_from_str(encoded, 0, wanted_output);
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OSMO_ASSERT(enc_len == -1);
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}
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}
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static void test_gsm_03_03_apn(void)
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{
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{
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/* test invalid writes */
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const uint8_t ref[10] = { 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF };
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uint8_t output[10];
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int enc_len;
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memcpy(output, ref, ARRAY_SIZE(output));
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enc_len = osmo_apn_from_str(output, 0, "");
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OSMO_ASSERT(enc_len == -1);
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OSMO_ASSERT(memcmp(ref, output, ARRAY_SIZE(ref)) == 0);
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memcpy(output, ref, ARRAY_SIZE(output));
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enc_len = osmo_apn_from_str(output, 0, "foo");
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OSMO_ASSERT(enc_len == -1);
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OSMO_ASSERT(memcmp(ref, output, ARRAY_SIZE(ref)) == 0);
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memcpy(output, ref, ARRAY_SIZE(output));
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enc_len = osmo_apn_from_str(output, 1, "foo");
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OSMO_ASSERT(enc_len == -1);
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OSMO_ASSERT(memcmp(ref + 1, output + 1, ARRAY_SIZE(ref) - 1) == 0);
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memcpy(output, ref, ARRAY_SIZE(output));
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enc_len = osmo_apn_from_str(output, 2, "foo");
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OSMO_ASSERT(enc_len == -1);
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OSMO_ASSERT(memcmp(ref + 2, output + 2, ARRAY_SIZE(ref) - 2) == 0);
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memcpy(output, ref, ARRAY_SIZE(output));
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enc_len = osmo_apn_from_str(output, 3, "foo");
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OSMO_ASSERT(enc_len == -1);
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OSMO_ASSERT(memcmp(ref + 3, output + 3, ARRAY_SIZE(ref) - 3) == 0);
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}
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{
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/* single empty label */
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uint8_t input[] = { 0x0 };
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const char *output = "";
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apn_round_trip(input, ARRAY_SIZE(input), output);
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}
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{
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/* no label */
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uint8_t input[] = { };
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const char *output = "";
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apn_round_trip(input, ARRAY_SIZE(input), output);
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}
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{
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/* single label with A */
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uint8_t input[] = { 0x1, 65 };
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const char *output = "A";
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apn_round_trip(input, ARRAY_SIZE(input), output);
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OSMO_ASSERT(osmo_apn_to_str(NULL, input, ARRAY_SIZE(input) - 1) == NULL);
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}
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{
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uint8_t input[] = { 0x3, 65, 66, 67, 0x2, 90, 122 };
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const char *output = "ABC.Zz";
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char tmp[strlen(output) + 1];
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apn_round_trip(input, ARRAY_SIZE(input), output);
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OSMO_ASSERT(osmo_apn_to_str(tmp, input, ARRAY_SIZE(input) - 1) == NULL);
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OSMO_ASSERT(osmo_apn_to_str(tmp, input, ARRAY_SIZE(input) - 2) == NULL);
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OSMO_ASSERT(osmo_apn_to_str(tmp, input, ARRAY_SIZE(input) - 4) == NULL);
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OSMO_ASSERT(osmo_apn_to_str(tmp, input, ARRAY_SIZE(input) - 5) == NULL);
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OSMO_ASSERT(osmo_apn_to_str(tmp, input, ARRAY_SIZE(input) - 6) == NULL);
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}
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}
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const struct log_info_cat default_categories[] = {
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};
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static struct log_info info = {
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.cat = default_categories,
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.num_cat = ARRAY_SIZE(default_categories),
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};
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int main(int argc, char **argv)
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{
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osmo_init_logging(&info);
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test_gsm_03_03_apn();
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printf("Done.\n");
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return EXIT_SUCCESS;
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}
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