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srsRAN_4G
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Fixed bug in transaction identifier and radio prio unpacking in NAS.

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master
Pedro Alvarez 6 years ago committed by Andre Puschmann
parent 02beeefdbd
commit 82828a699b
1 changed files with 10 additions and 6 deletions
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14
lib/src/asn1/liblte_mme.cc
Unescape Escape View File

@ -4686,7 +4686,7 @@ LIBLTE_ERROR_ENUM liblte_mme_pack_radio_priority_ie(uint8 radio_prio,
if(ie_ptr != NULL) if(ie_ptr != NULL)
{ {
(*ie_ptr)[0] |= radio_prio << bit_offset; (*ie_ptr)[0] = radio_prio << bit_offset;
err = LIBLTE_SUCCESS; err = LIBLTE_SUCCESS;
} }
@ -4702,8 +4702,7 @@ LIBLTE_ERROR_ENUM liblte_mme_unpack_radio_priority_ie(uint8 **ie_ptr,
if(ie_ptr != NULL && if(ie_ptr != NULL &&
radio_prio != NULL) radio_prio != NULL)
{ {
*radio_prio |= ((*ie_ptr)[0] >> bit_offset) & 0x07; *radio_prio = ((*ie_ptr)[0] >> bit_offset) & 0x07;
err = LIBLTE_SUCCESS; err = LIBLTE_SUCCESS;
} }
@ -4948,12 +4947,17 @@ LIBLTE_ERROR_ENUM liblte_mme_unpack_transaction_identifier_ie(uint8
if(ie_ptr != NULL && if(ie_ptr != NULL &&
trans_id != NULL) trans_id != NULL)
{ {
uint8_t len = (*ie_ptr)[0];
trans_id->ti_flag = (*ie_ptr)[1] >> 7; trans_id->ti_flag = (*ie_ptr)[1] >> 7;
trans_id->tio = ((*ie_ptr)[1] >> 4) & 0x07; trans_id->tio = ((*ie_ptr)[1] >> 4) & 0x07;
if(LIBLTE_MME_TI_VALUE_IS_GIVEN_BY_TIE == trans_id->tio) if (len > 2 || len == 0){
{ return err;
}
if (2 == len) {
trans_id->tie = (*ie_ptr)[2] & 0x7F; trans_id->tie = (*ie_ptr)[2] & 0x7F;
} }
*ie_ptr += (*ie_ptr)[0] + 1; *ie_ptr += (*ie_ptr)[0] + 1;
err = LIBLTE_SUCCESS; err = LIBLTE_SUCCESS;

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