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Bug correction in AS Security Mode Command (algorithm selection, wrong bitmask), temporary forced eea0. eiax selection now OK

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git-svn-id: http://svn.eurecom.fr/openair4G/trunk@5332 818b1a75-f10b-46b9-bf7c-635c3b92a50f
This commit is contained in:
Lionel Gauthier
2014-05-22 08:34:51 +00:00
parent 82c1563b64
commit 0cdb95add1
2 changed files with 57 additions and 46 deletions
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openair2/RRC/LITE/rrc_eNB_S1AP.c
+16 -5
View File
@@ -64,17 +64,17 @@ Address : EURECOM,
static const uint16_t UE_INITIAL_ID_INVALID = 0; static const uint16_t UE_INITIAL_ID_INVALID = 0;
/* Masks for S1AP Encryption algorithms, EEA0 is always supported (not coded) */ /* Masks for S1AP Encryption algorithms, EEA0 is always supported (not coded) */
static const uint16_t S1AP_ENCRYPTION_EEA1_MASK = 0x1; static const uint16_t S1AP_ENCRYPTION_EEA1_MASK = 0x8000;
static const uint16_t S1AP_ENCRYPTION_EEA2_MASK = 0x2; static const uint16_t S1AP_ENCRYPTION_EEA2_MASK = 0x4000;
/* Masks for S1AP Integrity algorithms, EIA0 is always supported (not coded) */ /* Masks for S1AP Integrity algorithms, EIA0 is always supported (not coded) */
static const uint16_t S1AP_INTEGRITY_EIA1_MASK = 0x1; static const uint16_t S1AP_INTEGRITY_EIA1_MASK = 0x8000;
static const uint16_t S1AP_INTEGRITY_EIA2_MASK = 0x2; static const uint16_t S1AP_INTEGRITY_EIA2_MASK = 0x4000;
#ifdef Rel10 #ifdef Rel10
# define INTEGRITY_ALGORITHM_NONE SecurityAlgorithmConfig__integrityProtAlgorithm_eia0_v920 # define INTEGRITY_ALGORITHM_NONE SecurityAlgorithmConfig__integrityProtAlgorithm_eia0_v920
#else #else
#ifndef EXMIMO_IOT #ifdef EXMIMO_IOT
# define INTEGRITY_ALGORITHM_NONE SecurityAlgorithmConfig__integrityProtAlgorithm_eia2 # define INTEGRITY_ALGORITHM_NONE SecurityAlgorithmConfig__integrityProtAlgorithm_eia2
#else #else
# define INTEGRITY_ALGORITHM_NONE SecurityAlgorithmConfig__integrityProtAlgorithm_reserved # define INTEGRITY_ALGORITHM_NONE SecurityAlgorithmConfig__integrityProtAlgorithm_reserved
@@ -188,6 +188,9 @@ static uint8_t get_UE_index_from_s1ap_ids(uint8_t mod_id, uint16_t ue_initial_id
*/ */
static e_SecurityAlgorithmConfig__cipheringAlgorithm rrc_eNB_select_ciphering(uint16_t algorithms) { static e_SecurityAlgorithmConfig__cipheringAlgorithm rrc_eNB_select_ciphering(uint16_t algorithms) {
#warning "Forced return SecurityAlgorithmConfig__cipheringAlgorithm_eea0, to be deleted in future"
return SecurityAlgorithmConfig__cipheringAlgorithm_eea0;
if (algorithms & S1AP_ENCRYPTION_EEA2_MASK) { if (algorithms & S1AP_ENCRYPTION_EEA2_MASK) {
return SecurityAlgorithmConfig__cipheringAlgorithm_eea2; return SecurityAlgorithmConfig__cipheringAlgorithm_eea2;
} }
@@ -236,6 +239,14 @@ static int rrc_eNB_process_security (uint8_t mod_id, uint8_t ue_index, security_
/* Save security parameters */ /* Save security parameters */
eNB_rrc_inst[mod_id].Info.UE[ue_index].security_capabilities = *security_capabilities; eNB_rrc_inst[mod_id].Info.UE[ue_index].security_capabilities = *security_capabilities;
// translation
LOG_D(RRC,
"[eNB %d] NAS security_capabilities.encryption_algorithms %u AS ciphering_algorithm %u NAS security_capabilities.integrity_algorithms %u AS integrity_algorithm %u\n",
mod_id,
eNB_rrc_inst[mod_id].Info.UE[ue_index].security_capabilities.encryption_algorithms,
eNB_rrc_inst[mod_id].ciphering_algorithm[ue_index],
eNB_rrc_inst[mod_id].Info.UE[ue_index].security_capabilities.integrity_algorithms,
eNB_rrc_inst[mod_id].integrity_algorithm[ue_index]);
/* Select relevant algorithms */ /* Select relevant algorithms */
cipheringAlgorithm = rrc_eNB_select_ciphering (eNB_rrc_inst[mod_id].Info.UE[ue_index].security_capabilities.encryption_algorithms); cipheringAlgorithm = rrc_eNB_select_ciphering (eNB_rrc_inst[mod_id].Info.UE[ue_index].security_capabilities.encryption_algorithms);
if (eNB_rrc_inst[mod_id].ciphering_algorithm[ue_index] != cipheringAlgorithm) { if (eNB_rrc_inst[mod_id].ciphering_algorithm[ue_index] != cipheringAlgorithm) {