libosmocore/tests/gsup/gsup_test.c

482 lines
13 KiB
C

#include <string.h>
#include <osmocom/core/logging.h>
#include <osmocom/core/utils.h>
#include <osmocom/core/application.h>
#include <osmocom/gsm/gsup.h>
#define VERBOSE_FPRINTF(...)
/* Tests for osmo_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, 0x19,
0x10, 0x01, 0x01,
0x11, 0x02, 0xf1, 0x21, /* IPv4 */
0x12, 0x09, 0x04, 't', 'e', 's', 't', 0x03, 'a', 'p', 'n',
0x13, 0x01, 0x02,
0x14, 0x02, 0xFF, 0x23,
0x05, 0x11,
0x10, 0x01, 0x02,
0x11, 0x02, 0xf1, 0x21, /* IPv4 */
0x12, 0x08, 0x03, 'f', 'o', 'o', 0x03, 'a', 'p', 'n',
0x14, 0x02,
0xAE, 0xFF
};
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 uint8_t send_auth_info_res_umts[] = {
0x0a,
TEST_IMSI_IE,
0x03, 0x62, /* Auth tuple */
0x20, 0x10, /* rand */
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
0x21, 0x04, /* sres */
0x21, 0x22, 0x23, 0x24,
0x22, 0x08, /* kc */
0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38,
0x23, 0x10, /* IK (UMTS) */
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
0x24, 0x10, /* CK (UMTS) */
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
0x25, 0x10, /* AUTN (UMTS) */
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
0x27, 0x08, /* RES (UMTS) */
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x03, 0x62, /* Auth tuple */
0x20, 0x10, /* rand */
0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8,
0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0x10,
0x21, 0x04, /* sres */
0xb1, 0xb2, 0xb3, 0xb4,
0x22, 0x08, /* kc */
0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8,
0x23, 0x10, /* IK (UMTS) */
0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8,
0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xd0,
0x24, 0x10, /* CK (UMTS) */
0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8,
0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xe0,
0x25, 0x10, /* AUTN (UMTS) */
0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, 0xf0,
0x27, 0x08, /* RES (UMTS) */
0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98,
};
static const uint8_t send_auth_info_req_auts[] = {
0x08,
TEST_IMSI_IE,
0x26, 0x0e, /* AUTS (UMTS) */
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e,
0x20, 0x10, /* rand */
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
};
static const uint8_t dummy_session_ies[] = {
0x2b, /* Dummy value, we only interested in IE coding */
TEST_IMSI_IE,
/* Session ID and state */
0x30, 0x04, 0xde, 0xad, 0xbe, 0xef,
0x31, 0x01, 0x01,
};
static const uint8_t send_ussd_req[] = {
0x20, /* OSMO_GSUP_MSGT_PROC_SS_REQUEST */
TEST_IMSI_IE,
/* Session ID and state */
0x30, 0x04, 0xde, 0xad, 0xbe, 0xef,
0x31, 0x01, 0x01,
/* SS/USSD information IE */
0x35, 0x14,
/* ASN.1 encoded MAP payload */
0xa1, 0x12,
0x02, 0x01, /* Component: invoke */
0x01, /* invokeID = 1 */
/* opCode: processUnstructuredSS-Request */
0x02, 0x01, 0x3b, 0x30, 0x0a, 0x04, 0x01, 0x0f,
0x04, 0x05, 0xaa, 0x18, 0x0c, 0x36, 0x02,
};
static const uint8_t send_ussd_res[] = {
0x22, /* OSMO_GSUP_MSGT_PROC_SS_RESULT */
TEST_IMSI_IE,
/* Session ID and state */
0x30, 0x04, 0xde, 0xad, 0xbe, 0xef,
0x31, 0x01, 0x03,
/* SS/USSD information IE */
0x35, 0x08,
/* ASN.1 encoded MAP payload */
0xa3, 0x06,
0x02, 0x01, /* Component: returnError */
0x01, /* invokeID = 1 */
/* localValue: unknownAlphabet */
0x02, 0x01, 0x47,
};
static const uint8_t send_mo_forward_sm_req[] = {
0x24, /* OSMO_GSUP_MSGT_MO_FORWARD_SM_REQUEST */
TEST_IMSI_IE,
/* SM related IEs */
0x40, 0x01, /* SM-RP-MR (Message Reference) */
0xfa,
0x41, 0x08, /* SM-RP-DA (Destination Address) */
0x03, /* SMSC address */
0x91, 0x52, 0x75, 0x47, 0x99, 0x09, 0x82,
0x42, 0x01, /* SM-RP-OA (Originating Address) */
0xff, /* Special case: noSM-RP-OA */
0x43, 0x04, /* SM-RP-UI (TPDU) */
0xde, 0xad, 0xbe, 0xef,
};
static const uint8_t send_mt_forward_sm_req[] = {
0x28, /* OSMO_GSUP_MSGT_MT_FORWARD_SM_REQUEST */
TEST_IMSI_IE,
/* SM related IEs */
0x40, 0x01, /* SM-RP-MR (Message Reference) */
0xfa,
0x41, 0x09, /* SM-RP-DA (Destination Address) */
0x01, /* IMSI */
0x21, 0x43, 0x65, 0x87, 0x09, 0x21, 0x43, 0xf5,
0x42, 0x08, /* SM-RP-OA (Originating Address) */
0x03, /* SMSC address */
0x91, 0x52, 0x75, 0x47, 0x99, 0x09, 0x82,
0x43, 0x04, /* SM-RP-UI (TPDU) */
0xde, 0xad, 0xbe, 0xef,
0x45, 0x01, /* SM-RP-MMS (More Messages to Send) */
0x01,
};
static const uint8_t send_mo_mt_forward_sm_err[] = {
0x25, /* OSMO_GSUP_MSGT_MO_FORWARD_SM_ERROR */
TEST_IMSI_IE,
/* Session related IEs */
0x30, 0x04, /* Session ID */
0xde, 0xad, 0xbe, 0xef,
0x31, 0x01, /* Session state (END) */
0x03,
/* SM related IEs */
0x40, 0x01, /* SM-RP-MR (Message Reference) */
0xfa,
0x44, 0x01, /* SM-RP-Cause value */
0xaf,
};
static const uint8_t send_mo_mt_forward_sm_rsp[] = {
0x2a, /* OSMO_GSUP_MSGT_MT_FORWARD_SM_RESULT */
TEST_IMSI_IE,
/* SM related IEs */
0x40, 0x01, /* SM-RP-MR (Message Reference) */
0xfa,
0x43, 0x04, /* SM-RP-UI (TPDU) */
0xde, 0xad, 0xbe, 0xef,
};
static const uint8_t send_ready_for_sm_ind[] = {
0x2c, /* OSMO_GSUP_MSGT_READY_FOR_SM_REQUEST */
TEST_IMSI_IE,
/* SM related IEs */
0x46, 0x01, /* Alert reason */
0x02, /* Memory Available (SMMA) */
};
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)},
{"Send Authentication Info Result with IK, CK, AUTN and RES (UMTS)",
send_auth_info_res_umts, sizeof(send_auth_info_res_umts)},
{"Send Authentication Info Request with AUTS and RAND (UMTS)",
send_auth_info_req_auts, sizeof(send_auth_info_req_auts)},
{"Dummy message with session IEs",
dummy_session_ies, sizeof(dummy_session_ies)},
{"SS/USSD processUnstructuredSS-Request / Invoke",
send_ussd_req, sizeof(send_ussd_req)},
{"SS/USSD processUnstructuredSS-Request / ReturnResult",
send_ussd_res, sizeof(send_ussd_res)},
{"MO-ForwardSM (MSC -> SMSC) Request",
send_mo_forward_sm_req, sizeof(send_mo_forward_sm_req)},
{"MT-ForwardSM (MSC -> SMSC) Request",
send_mt_forward_sm_req, sizeof(send_mt_forward_sm_req)},
{"MO-/MT-ForwardSM Response",
send_mo_mt_forward_sm_rsp, sizeof(send_mo_mt_forward_sm_rsp)},
{"MO-/MT-ForwardSM Error",
send_mo_mt_forward_sm_err, sizeof(send_mo_mt_forward_sm_err)},
{"ReadyForSM (MSC -> SMSC) Indication",
send_ready_for_sm_ind, sizeof(send_ready_for_sm_ind)},
};
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 osmo_gsup_message gm = {0};
struct msgb *msg = msgb_alloc(4096, "gsup_test");
bool passed = true;
printf(" Testing %s\n", t->name);
rc = osmo_gsup_decode(t->data, t->data_len, &gm);
if (rc < 0)
passed = false;
rc = osmo_gsup_encode(msg, &gm);
if (rc < 0)
passed = false;
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);
if (strcmp(gm.imsi, TEST_IMSI_STR) != 0 ||
msgb_length(msg) != t->data_len ||
memcmp(msgb_data(msg), t->data, t->data_len) != 0)
passed = false;
if (passed)
printf(" %s OK\n", t->name);
else
printf(" %s FAILED: %d<%s> [%u,%u,%zu,%u]\n",
t->name, rc, strerror(-rc),
strcmp(gm.imsi, TEST_IMSI_STR),
msgb_length(msg), t->data_len,
memcmp(msgb_data(msg), t->data, t->data_len));
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 osmo_gsup_message gm = {0};
int counter = 0;
int parse_err = 0;
for (j = t->data_len - 1; j >= 0; --j) {
rc = osmo_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);
/**
* FIXME: share the maximal IE value somehow
* in order to avoid manual updating of this
*/
OSMO_ASSERT(t->data[j+0] <= OSMO_GSUP_SM_ALERT_RSN_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);
}
/* Don't log thousands of message modification errors */
LOGP(DLGSUP, LOGL_NOTICE, "Stopping DLGSUP logging\n");
log_set_category_filter(osmo_stderr_target, DLGSUP, 0, 0);
/* 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 osmo_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 = osmo_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);
}
}
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, "gsup_test");
osmo_init_logging2(ctx, &info);
log_set_print_filename(osmo_stderr_target, 0);
log_set_print_timestamp(osmo_stderr_target, 0);
log_set_use_color(osmo_stderr_target, 0);
log_set_print_category(osmo_stderr_target, 1);
test_gsup_messages_dec_enc();
printf("Done.\n");
return EXIT_SUCCESS;
}