maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'NR_SA_F1AP_5GRECORDS' of https://gitlab.eurecom.fr/oai/openairinterface5g into NR_SA_F1AP_5GRECORDS

Browse Source
This commit is contained in:
Raymond Knopp
2021-04-26 12:06:43 +02:00
parent a304c87659 9135d4200f
commit 458f199dce
4 changed files with 92 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair2/LAYER2/nr_pdcp/nr_pdcp_entity.c
+17 -9
View File
@@ -212,12 +212,20 @@ static void nr_pdcp_entity_recv_sdu(nr_pdcp_entity_t *entity,
header_size + size + integrity_size, sdu_id);
}
static void nr_pdcp_entity_set_integrity_key(nr_pdcp_entity_t *entity,
char *key)
static void nr_pdcp_entity_set_security(nr_pdcp_entity_t *entity,
int integrity_algorithm,
char *integrity_key,
int ciphering_algorithm,
char *ciphering_key)
{
LOG_E(PDCP, "%s: %d: %s: TODO? to remove?\n", __FILE__, __LINE__, __FUNCTION__);
exit(1);
//memcpy(entity->integrity_key, key, 16);
if (integrity_algorithm != -1)
entity->integrity_algorithm = integrity_algorithm;
if (ciphering_algorithm != -1)
entity->ciphering_algorithm = ciphering_algorithm;
if (integrity_key != NULL)
memcpy(entity->integrity_key, integrity_key, 16);
if (ciphering_key != NULL)
memcpy(entity->ciphering_key, ciphering_key, 16);
}
static void check_t_reordering(nr_pdcp_entity_t *entity)
@@ -310,10 +318,10 @@ nr_pdcp_entity_t *new_nr_pdcp_entity(
ret->type = type;
ret->recv_pdu = nr_pdcp_entity_recv_pdu;
ret->recv_sdu = nr_pdcp_entity_recv_sdu;
ret->set_integrity_key = nr_pdcp_entity_set_integrity_key;
ret->set_time = nr_pdcp_entity_set_time;
ret->recv_pdu = nr_pdcp_entity_recv_pdu;
ret->recv_sdu = nr_pdcp_entity_recv_sdu;
ret->set_security = nr_pdcp_entity_set_security;
ret->set_time = nr_pdcp_entity_set_time;
ret->delete = nr_pdcp_entity_delete;
openair2/LAYER2/nr_pdcp/nr_pdcp_entity.h
+10 -1
View File
@@ -40,7 +40,16 @@ typedef struct nr_pdcp_entity_t {
void (*recv_sdu)(struct nr_pdcp_entity_t *entity, char *buffer, int size,
int sdu_id);
void (*delete)(struct nr_pdcp_entity_t *entity);
void (*set_integrity_key)(struct nr_pdcp_entity_t *entity, char *key);
/* set_security: pass -1 to integrity_algorithm / ciphering_algorithm
* to keep the current algorithm
* pass NULL to integrity_key / ciphering_key
* to keep the current key
*/
void (*set_security)(struct nr_pdcp_entity_t *entity,
int integrity_algorithm,
char *integrity_key,
int ciphering_algorithm,
char *ciphering_key);
void (*set_time)(struct nr_pdcp_entity_t *entity, uint64_t now);
/* callbacks provided to the PDCP module */
openair2/LAYER2/nr_pdcp/nr_pdcp_oai_api.c
+33
View File
@@ -1044,6 +1044,12 @@ void pdcp_config_set_security(
uint8_t *const kRRCint_pP,
uint8_t *const kUPenc_pP)
{
nr_pdcp_ue_t *ue;
nr_pdcp_entity_t *rb;
int rnti = ctxt_pP->rnti;
int integrity_algorithm;
int ciphering_algorithm;
DevAssert(pdcp_pP != NULL);
if ((security_modeP >= 0) && (security_modeP <= 0x77)) {
@@ -1073,6 +1079,33 @@ void pdcp_config_set_security(
PROTOCOL_PDCP_CTXT_ARGS(ctxt_pP,pdcp_pP),
security_modeP);
}
nr_pdcp_manager_lock(nr_pdcp_ue_manager);
ue = nr_pdcp_manager_get_ue(nr_pdcp_ue_manager, rnti);
/* TODO: proper handling of DRBs, for the moment only SRBs are handled */
if (rb_id >= 1 && rb_id <= 3) {
rb = ue->srb[rb_id - 1];
if (rb == NULL) {
LOG_E(PDCP, "%s:%d:%s: no SRB found (rnti %d, rb_id %ld)\n",
__FILE__, __LINE__, __FUNCTION__, rnti, rb_id);
nr_pdcp_manager_unlock(nr_pdcp_ue_manager);
return;
}
integrity_algorithm = (security_modeP>>4) & 0xf;
ciphering_algorithm = security_modeP & 0x0f;
rb->set_security(rb, integrity_algorithm, (char *)kRRCint_pP,
ciphering_algorithm, (char *)kRRCenc_pP);
} else {
LOG_E(PDCP, "%s:%d:%s: TODO\n", __FILE__, __LINE__, __FUNCTION__);
exit(1);
}
nr_pdcp_manager_unlock(nr_pdcp_ue_manager);
}
openair2/RRC/NR/rrc_gNB_NGAP.c
+32 -12
View File
@@ -304,25 +304,45 @@ nr_rrc_pdcp_config_security(
uint8_t *kRRCenc = NULL;
uint8_t *kRRCint = NULL;
uint8_t *kUPenc = NULL;
uint8_t *k_kdf = NULL;
pdcp_t *pdcp_p = NULL;
static int print_keys= 1;
hashtable_rc_t h_rc;
hash_key_t key;
#ifndef PHYSIM
/* Derive the keys from kgnb */
if (SRB_configList != NULL) {
nr_derive_key_up_enc(ue_context_pP->ue_context.ciphering_algorithm,
ue_context_pP->ue_context.kgnb,
&kUPenc);
}
/* Derive the keys from kgnb */
if (SRB_configList != NULL) {
k_kdf = NULL;
nr_derive_key_up_enc(ue_context_pP->ue_context.ciphering_algorithm,
ue_context_pP->ue_context.kgnb,
&k_kdf);
/* kUPenc: last 128 bits of key derivation function which returns 256 bits */
kUPenc = malloc(16);
if (kUPenc == NULL) exit(1);
memcpy(kUPenc, k_kdf+16, 16);
free(k_kdf);
}
nr_derive_key_rrc_enc(ue_context_pP->ue_context.ciphering_algorithm,
ue_context_pP->ue_context.kgnb,
&kRRCenc);
nr_derive_key_rrc_int(ue_context_pP->ue_context.integrity_algorithm,
ue_context_pP->ue_context.kgnb,
&kRRCint);
k_kdf = NULL;
nr_derive_key_rrc_enc(ue_context_pP->ue_context.ciphering_algorithm,
ue_context_pP->ue_context.kgnb,
&k_kdf);
/* kRRCenc: last 128 bits of key derivation function which returns 256 bits */
kRRCenc = malloc(16);
if (kRRCenc == NULL) exit(1);
memcpy(kRRCenc, k_kdf+16, 16);
free(k_kdf);
k_kdf = NULL;
nr_derive_key_rrc_int(ue_context_pP->ue_context.integrity_algorithm,
ue_context_pP->ue_context.kgnb,
&k_kdf);
/* kRRCint: last 128 bits of key derivation function which returns 256 bits */
kRRCint = malloc(16);
if (kRRCint == NULL) exit(1);
memcpy(kRRCint, k_kdf+16, 16);
free(k_kdf);
#endif
if (!IS_SOFTMODEM_IQPLAYER) {
SET_LOG_DUMP(DEBUG_SECURITY) ;