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it2s-itss-facilities
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SAEM save neighbour sec ID

This commit is contained in:
emanuel 2022-01-10 17:58:39 +00:00
parent 63567a5f74
commit e00d7fc88c
5 changed files with 29 additions and 6 deletions
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7
src/facilities.c
View File

@ -198,7 +198,12 @@ static int transport_indication(facilities_t *facilities, void* responder, void*
break;
case Port_saem:
saem_check(facilities, &facilities->bulletin, its_msg);
saem_check(
facilities,
&facilities->bulletin,
its_msg,
tpi->choice.btp.gn.securityNeighbour ? tpi->choice.btp.gn.securityNeighbour->buf : NULL
);
break;
case 7011:

9
src/sa.c
View File

@ -21,7 +21,7 @@
#define syslog_debug(msg, ...)
#endif
SAEM_CODE_R saem_check(void* fc, bulletin_t* bulletin, SAEM_t* saem) {
SAEM_CODE_R saem_check(void* fc, bulletin_t* bulletin, SAEM_t* saem, uint8_t* neighbour) {
facilities_t* facilities = (facilities_t*) fc;
@ -97,6 +97,11 @@ SAEM_CODE_R saem_check(void* fc, bulletin_t* bulletin, SAEM_t* saem) {
}
}
if (neighbour) {
bulletin->to_consume[bulletin->to_consume_len]->certificate_id = malloc(8);
memcpy(bulletin->to_consume[bulletin->to_consume_len]->certificate_id, neighbour, 8);
}
index = bulletin->to_consume_len;
++bulletin->to_consume_len;
}
@ -343,7 +348,7 @@ void *sa_service(void *fc) {
switch (facilities->tolling.protocol) {
case TOLLING_PROTOCOL_SIMPLE:
tpm_pay(facilities);
tpm_pay(facilities, bulletin->to_consume[a]->certificate_id);
++bulletin->to_consume[a]->n_trigger;
break;

4
src/sa.h
View File

@ -10,6 +10,8 @@ typedef struct announcement {
uint8_t protocol_id;
uint8_t traffic_class;
uint8_t* certificate_id; /* neighbour security-layer identity */
struct {
uint8_t ipv6_addr[16];
uint16_t port;
@ -46,6 +48,6 @@ typedef enum SAEM_CODE {
void bulletin_init(bulletin_t* bulletin);
SAEM_CODE_R saem_check(void* fc, bulletin_t* bulletin, SAEM_t* saem);
SAEM_CODE_R saem_check(void* fc, bulletin_t* bulletin, SAEM_t* saem, uint8_t* neighbour);
void* sa_service(void* fc);

13
src/tpm.c
View File

@ -7,7 +7,7 @@
#include <stdint.h>
#include <string.h>
int tpm_pay(void* fc) {
int tpm_pay(void* fc, uint8_t* neighbour) {
int rv = 0;
facilities_t* facilities = (facilities_t*) fc;
@ -112,6 +112,14 @@ int tpm_pay(void* fc) {
tr->choice.packet.present = TransportPacketRequest_PR_btp;
BTPPacketRequest_t* bpr = &tr->choice.packet.choice.btp;
bpr->gn.securityProfile.encrypt = true;
bpr->gn.securityProfile.sign = true;
bpr->gn.securityNeighbour = calloc(1, sizeof(OCTET_STRING_t));
bpr->gn.securityNeighbour->size = 8;
bpr->gn.securityNeighbour->buf = malloc(8);
memcpy(bpr->gn.securityNeighbour->buf, neighbour, 8);
bpr->data.size = tpm_uper_len;
bpr->data.buf = malloc(tpm_uper_len);
memcpy(bpr->data.buf, buf, tpm_uper_len);
@ -209,6 +217,9 @@ static void rsu_handle_recv(facilities_t* facilities, TollRequest_t* req, uint8_
tr->choice.packet.present = TransportPacketRequest_PR_btp;
BTPPacketRequest_t* bpr = &tr->choice.packet.choice.btp;
bpr->gn.securityProfile.encrypt = true;
bpr->gn.securityProfile.sign = true;
bpr->data.size = tpm_uper_len;
bpr->data.buf = malloc(tpm_uper_len);
memcpy(bpr->data.buf, buf, tpm_uper_len);

2
src/tpm.h
View File

@ -22,5 +22,5 @@ typedef struct tolling {
} tolling_s;
int tpm_pay(void* fc);
int tpm_pay(void* fc, uint8_t* neighbour);
int tpm_recv(void* fc, TPM_t* tpm_rx, uint8_t* neighbour);