mirror of https://gerrit.osmocom.org/libosmocore
260 lines
6.4 KiB
C
260 lines
6.4 KiB
C
#include <string.h>
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#include <osmocom/core/logging.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/core/application.h>
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#include <osmocom/gsm/gsup.h>
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#define VERBOSE_FPRINTF(...)
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/* Tests for osmo_gsup_messages.c */
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#define TEST_IMSI_IE 0x01, 0x08, 0x21, 0x43, 0x65, 0x87, 0x09, 0x21, 0x43, 0xf5
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#define TEST_IMSI_STR "123456789012345"
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static void test_gsup_messages_dec_enc(void)
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{
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int test_idx;
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int rc;
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uint8_t buf[1024];
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static const uint8_t send_auth_info_req[] = {
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0x08,
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TEST_IMSI_IE
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};
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static const uint8_t send_auth_info_err[] = {
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0x09,
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TEST_IMSI_IE,
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0x02, 0x01, 0x07 /* GPRS no allowed */
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};
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static const uint8_t send_auth_info_res[] = {
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0x0a,
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TEST_IMSI_IE,
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0x03, 0x22, /* Auth tuple */
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0x20, 0x10,
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0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
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0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
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0x21, 0x04,
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0x21, 0x22, 0x23, 0x24,
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0x22, 0x08,
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0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38,
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0x03, 0x22, /* Auth tuple */
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0x20, 0x10,
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0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88,
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0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90,
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0x21, 0x04,
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0xa1, 0xa2, 0xa3, 0xa4,
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0x22, 0x08,
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0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8,
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};
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static const uint8_t update_location_req[] = {
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0x04,
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TEST_IMSI_IE,
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};
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static const uint8_t update_location_err[] = {
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0x05,
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TEST_IMSI_IE,
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0x02, 0x01, 0x07 /* GPRS no allowed */
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};
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static const uint8_t update_location_res[] = {
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0x06,
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TEST_IMSI_IE,
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0x08, 0x07, /* MSISDN of the subscriber */
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0x91, 0x94, 0x61, 0x46, 0x32, 0x24, 0x43,
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0x09, 0x07, /* HLR-Number of the subscriber */
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0x91, 0x83, 0x52, 0x38, 0x48, 0x83, 0x93,
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0x04, 0x00, /* PDP info complete */
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0x05, 0x15,
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0x10, 0x01, 0x01,
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0x11, 0x02, 0xf1, 0x21, /* IPv4 */
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0x12, 0x09, 0x04, 't', 'e', 's', 't', 0x03, 'a', 'p', 'n',
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0x13, 0x01, 0x02,
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0x05, 0x11,
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0x10, 0x01, 0x02,
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0x11, 0x02, 0xf1, 0x21, /* IPv4 */
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0x12, 0x08, 0x03, 'f', 'o', 'o', 0x03, 'a', 'p', 'n',
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};
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static const uint8_t location_cancellation_req[] = {
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0x1c,
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TEST_IMSI_IE,
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0x06, 0x01, 0x00,
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};
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static const uint8_t location_cancellation_err[] = {
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0x1d,
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TEST_IMSI_IE,
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0x02, 0x01, 0x03 /* Illegal MS */
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};
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static const uint8_t location_cancellation_res[] = {
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0x1e,
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TEST_IMSI_IE,
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};
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static const uint8_t purge_ms_req[] = {
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0x0c,
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TEST_IMSI_IE,
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};
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static const uint8_t purge_ms_err[] = {
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0x0d,
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TEST_IMSI_IE,
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0x02, 0x01, 0x03, /* Illegal MS */
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};
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static const uint8_t purge_ms_res[] = {
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0x0e,
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TEST_IMSI_IE,
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0x07, 0x00,
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};
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static const struct test {
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char *name;
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const uint8_t *data;
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size_t data_len;
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} test_messages[] = {
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{"Send Authentication Info Request",
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send_auth_info_req, sizeof(send_auth_info_req)},
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{"Send Authentication Info Error",
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send_auth_info_err, sizeof(send_auth_info_err)},
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{"Send Authentication Info Result",
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send_auth_info_res, sizeof(send_auth_info_res)},
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{"Update Location Request",
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update_location_req, sizeof(update_location_req)},
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{"Update Location Error",
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update_location_err, sizeof(update_location_err)},
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{"Update Location Result",
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update_location_res, sizeof(update_location_res)},
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{"Location Cancellation Request",
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location_cancellation_req, sizeof(location_cancellation_req)},
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{"Location Cancellation Error",
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location_cancellation_err, sizeof(location_cancellation_err)},
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{"Location Cancellation Result",
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location_cancellation_res, sizeof(location_cancellation_res)},
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{"Purge MS Request",
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purge_ms_req, sizeof(purge_ms_req)},
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{"Purge MS Error",
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purge_ms_err, sizeof(purge_ms_err)},
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{"Purge MS Result",
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purge_ms_res, sizeof(purge_ms_res)},
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};
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printf("Test GSUP message decoding/encoding\n");
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for (test_idx = 0; test_idx < ARRAY_SIZE(test_messages); test_idx++) {
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const struct test *t = &test_messages[test_idx];
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struct osmo_gsup_message gm = {0};
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struct msgb *msg = msgb_alloc(4096, "gsup_test");
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printf(" Testing %s\n", t->name);
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rc = osmo_gsup_decode(t->data, t->data_len, &gm);
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OSMO_ASSERT(rc >= 0);
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osmo_gsup_encode(msg, &gm);
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fprintf(stderr, " generated message: %s\n", msgb_hexdump(msg));
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fprintf(stderr, " original message: %s\n", osmo_hexdump(t->data, t->data_len));
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fprintf(stderr, " IMSI: %s\n", gm.imsi);
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OSMO_ASSERT(strcmp(gm.imsi, TEST_IMSI_STR) == 0);
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OSMO_ASSERT(msgb_length(msg) == t->data_len);
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OSMO_ASSERT(memcmp(msgb_data(msg), t->data, t->data_len) == 0);
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msgb_free(msg);
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}
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/* simple truncation test */
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for (test_idx = 0; test_idx < ARRAY_SIZE(test_messages); test_idx++) {
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int j;
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const struct test *t = &test_messages[test_idx];
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int ie_end = t->data_len;
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struct osmo_gsup_message gm = {0};
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int counter = 0;
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int parse_err = 0;
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for (j = t->data_len - 1; j >= 0; --j) {
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rc = osmo_gsup_decode(t->data, j, &gm);
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counter += 1;
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VERBOSE_FPRINTF(stderr,
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" partial message decoding: "
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"orig_len = %d, trunc = %d, rc = %d, ie_end = %d\n",
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t->data_len, j, rc, ie_end);
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if (rc >= 0) {
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VERBOSE_FPRINTF(stderr,
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" remaing partial message: %s\n",
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osmo_hexdump(t->data + j, ie_end - j));
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OSMO_ASSERT(j <= ie_end - 2);
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OSMO_ASSERT(t->data[j+0] <= OSMO_GSUP_KC_IE);
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OSMO_ASSERT(t->data[j+1] <= ie_end - j - 2);
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ie_end = j;
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} else {
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parse_err += 1;
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}
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}
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fprintf(stderr,
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" message %d: tested %d truncations, %d parse failures\n",
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test_idx, counter, parse_err);
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}
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/* message modification test (relies on ASAN or valgrind being used) */
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for (test_idx = 0; test_idx < ARRAY_SIZE(test_messages); test_idx++) {
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int j;
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const struct test *t = &test_messages[test_idx];
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struct osmo_gsup_message gm = {0};
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uint8_t val;
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int counter = 0;
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int parse_err = 0;
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OSMO_ASSERT(sizeof(buf) >= t->data_len);
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for (j = t->data_len - 1; j >= 0; --j) {
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memcpy(buf, t->data, t->data_len);
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val = 0;
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do {
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VERBOSE_FPRINTF(stderr,
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"t = %d, len = %d, val = %d\n",
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test_idx, j, val);
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buf[j] = val;
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rc = osmo_gsup_decode(buf, t->data_len, &gm);
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counter += 1;
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if (rc < 0)
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parse_err += 1;
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val += 1;
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} while (val != (uint8_t)256);
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}
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fprintf(stderr,
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" message %d: tested %d modifications, %d parse failures\n",
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test_idx, counter, parse_err);
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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_gsup_messages_dec_enc();
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printf("Done.\n");
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return EXIT_SUCCESS;
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}
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