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srsRAN_4G
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added extra tests in the unpacking of rrc asn1

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master
Francisco Paisana 6 years ago committed by Andre Puschmann
parent 1674c8939f
commit 82a0145593
2 changed files with 14 additions and 8 deletions
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6
srsenb/src/upper/rrc.cc
Unescape Escape View File

@ -526,7 +526,8 @@ void rrc::parse_ul_ccch(uint16_t rnti, byte_buffer_t *pdu)
if (pdu) {
ul_ccch_msg_s ul_ccch_msg;
asn1::bit_ref bref(pdu->msg, pdu->N_bytes);
if (ul_ccch_msg.unpack(bref) != asn1::SRSASN_SUCCESS) {
if (ul_ccch_msg.unpack(bref) != asn1::SRSASN_SUCCESS or
ul_ccch_msg.msg.type().value != ul_ccch_msg_type_c::types_opts::c1) {
rrc_log->error("Failed to unpack UL-CCCH message\n");
goto exit;
}
@ -1047,7 +1048,8 @@ void rrc::ue::parse_ul_dcch(uint32_t lcid, byte_buffer_t *pdu)
ul_dcch_msg_s ul_dcch_msg;
asn1::bit_ref bref(pdu->msg, pdu->N_bytes);
if (ul_dcch_msg.unpack(bref) != asn1::SRSASN_SUCCESS) {
if (ul_dcch_msg.unpack(bref) != asn1::SRSASN_SUCCESS or
ul_dcch_msg.msg.type().value != ul_dcch_msg_type_c::types_opts::c1) {
parent->rrc_log->error("Failed to unpack UL-DCCH message\n");
pool->deallocate(pdu);
return;

16
srsue/src/upper/rrc.cc
Unescape Escape View File

@ -1810,7 +1810,7 @@ void rrc::write_pdu_bcch_dlsch(byte_buffer_t *pdu) {
asn1::rrc::bcch_dl_sch_msg_s dlsch_msg;
asn1::bit_ref dlsch_bref(pdu->msg, pdu->N_bytes);
asn1::SRSASN_CODE err = dlsch_msg.unpack(dlsch_bref);
if (err != asn1::SRSASN_SUCCESS) {
if (err != asn1::SRSASN_SUCCESS or dlsch_msg.msg.type().value != bcch_dl_sch_msg_type_c::types_opts::c1) {
rrc_log->error("Could not unpack BCCH DL-SCH message.\n");
return;
}
@ -1969,7 +1969,7 @@ void rrc::process_pcch(byte_buffer_t* pdu)
if (pdu->N_bytes > 0 && pdu->N_bytes < SRSLTE_MAX_BUFFER_SIZE_BITS) {
pcch_msg_s pcch_msg;
asn1::bit_ref bref(pdu->msg, pdu->N_bytes);
if (pcch_msg.unpack(bref) != asn1::SRSASN_SUCCESS) {
if (pcch_msg.unpack(bref) != asn1::SRSASN_SUCCESS or pcch_msg.msg.type().value != pcch_msg_type_c::types_opts::c1) {
rrc_log->error("Failed to unpack PCCH message\n");
goto exit;
}
@ -2028,7 +2028,8 @@ void rrc::write_pdu_mch(uint32_t lcid, srslte::byte_buffer_t *pdu)
//TODO: handle MCCH notifications and update MCCH
if(0 == lcid && !serving_cell->has_mcch) {
asn1::bit_ref bref(pdu->msg, pdu->N_bytes);
if (serving_cell->mcch.unpack(bref) != asn1::SRSASN_SUCCESS) {
if (serving_cell->mcch.unpack(bref) != asn1::SRSASN_SUCCESS or
serving_cell->mcch.msg.type().value != mcch_msg_type_c::types_opts::c1) {
rrc_log->error("Failed to unpack MCCH message\n");
goto exit;
}
@ -2122,7 +2123,8 @@ void rrc::write_pdu(uint32_t lcid, byte_buffer_t* pdu)
// FIXME: We unpack and process this message twice to check if it's ConnectionSetup
asn1::bit_ref bref(pdu->msg, pdu->N_bytes);
asn1::rrc::dl_ccch_msg_s dl_ccch_msg;
if (dl_ccch_msg.unpack(bref) != asn1::SRSASN_SUCCESS) {
if (dl_ccch_msg.unpack(bref) != asn1::SRSASN_SUCCESS or
dl_ccch_msg.msg.type().value != dl_ccch_msg_type_c::types_opts::c1) {
rrc_log->error("Failed to unpack DL-CCCH message\n");
pool->deallocate(pdu);
return;
@ -2165,7 +2167,8 @@ void rrc::parse_dl_ccch(byte_buffer_t* pdu)
{
asn1::bit_ref bref(pdu->msg, pdu->N_bytes);
asn1::rrc::dl_ccch_msg_s dl_ccch_msg;
if (dl_ccch_msg.unpack(bref) != asn1::SRSASN_SUCCESS) {
if (dl_ccch_msg.unpack(bref) != asn1::SRSASN_SUCCESS or
dl_ccch_msg.msg.type().value != dl_ccch_msg_type_c::types_opts::c1) {
rrc_log->error("Failed to unpack DL-CCCH message\n");
pool->deallocate(pdu);
return;
@ -2217,7 +2220,8 @@ void rrc::parse_dl_dcch(uint32_t lcid, byte_buffer_t* pdu)
{
asn1::bit_ref bref(pdu->msg, pdu->N_bytes);
asn1::rrc::dl_dcch_msg_s dl_dcch_msg;
if (dl_dcch_msg.unpack(bref) != asn1::SRSASN_SUCCESS) {
if (dl_dcch_msg.unpack(bref) != asn1::SRSASN_SUCCESS or
dl_dcch_msg.msg.type().value != dl_dcch_msg_type_c::types_opts::c1) {
rrc_log->error("Failed to unpack DL-DCCH message\n");
pool->deallocate(pdu);
return;

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