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srsLTE
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pdu_test: add TC with malformed RAR PDU 

a malformed RAR PDU should not be decoded further if the payload
indicates a length beyond the actual PDU size.
This commit is contained in:
Andre Puschmann 2021-01-11 10:37:26 +01:00
parent a89477a805
commit 10da7df194
1 changed files with 21 additions and 0 deletions
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21
lib/test/mac/pdu_test.cc
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@ -53,6 +53,7 @@ int mac_rar_pdu_unpack_test1()
std::cout << rar_pdu_msg.to_string() << std::endl;
TESTASSERT(not rar_pdu_msg.has_backoff());
TESTASSERT(rar_pdu_msg.nof_subh() == 1);
while (rar_pdu_msg.next()) {
TESTASSERT(rar_pdu_msg.get()->get_rapid() == RAPID_TV1);
TESTASSERT(rar_pdu_msg.get()->get_ta_cmd() == TA_CMD_TV1);
@ -69,6 +70,7 @@ int mac_rar_pdu_unpack_test2()
rar_pdu_msg.parse_packet(rar_pdu_tv2);
std::cout << rar_pdu_msg.to_string() << std::endl;
TESTASSERT(rar_pdu_msg.nof_subh() == 2);
TESTASSERT(rar_pdu_msg.has_backoff());
TESTASSERT(rar_pdu_msg.get_backoff() == BACKOFF_IND_TV2);
while (rar_pdu_msg.next()) {
@ -82,6 +84,24 @@ int mac_rar_pdu_unpack_test2()
return SRSLTE_SUCCESS;
}
// Malformed RAR PDU with two RAPIDs but incomplete content
int mac_rar_pdu_unpack_test3()
{
// The last byte of the malformed RAR PDU is byte 11 (0x1a), we need to add 3 more bytes to the array to please ASAN
// though
uint8_t rar_pdu[] = {0xd5, 0x4e, 0x02, 0x80, 0x1a, 0x0c, 0x00, 0x47, 0x00, 0x00, 0x1a, 0xff, 0xff, 0xff};
uint8_t rar_pdu_len = 11;
srslte::rar_pdu rar_pdu_msg;
rar_pdu_msg.init_rx(rar_pdu_len); // only pass the 11 valid bytes
TESTASSERT(rar_pdu_msg.parse_packet(rar_pdu) != SRSLTE_SUCCESS);
TESTASSERT(rar_pdu_msg.nof_subh() == 0);
std::cout << rar_pdu_msg.to_string() << std::endl;
return SRSLTE_SUCCESS;
}
int mac_rar_pdu_pack_test1()
{
// Prepare RAR grant
@ -1044,6 +1064,7 @@ int main(int argc, char** argv)
TESTASSERT(mac_rar_pdu_unpack_test1() == SRSLTE_SUCCESS);
TESTASSERT(mac_rar_pdu_unpack_test2() == SRSLTE_SUCCESS);
TESTASSERT(mac_rar_pdu_unpack_test3() == SRSLTE_SUCCESS);
TESTASSERT(mac_rar_pdu_pack_test1() == SRSLTE_SUCCESS);
TESTASSERT(mac_rar_pdu_pack_test2() == SRSLTE_SUCCESS);