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Ignore data and signature if packet is info or error

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Night Kaly 2024-09-21 14:37:26 +01:00
parent 6b43464637
commit c0fe9b6edc
Signed by: night0721
GPG key ID: 957D67B8DB7A119B
1 changed files with 4 additions and 5 deletions
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9
lib/packet.c
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@ -95,8 +95,7 @@ int recv_packet(packet_t *pkt, int fd, uint8_t required_type)
return status;
failure:;
packet_t *error_pkt = create_packet(status, ZSM_TYP_ERROR, 0, NULL,
create_signature(NULL, 0, NULL));
packet_t *error_pkt = create_packet(status, ZSM_TYP_ERROR, 0, NULL, NULL);
if (send_packet(error_pkt, fd) != ZSM_STA_SUCCESS) {
/* Resend it? */
@ -148,7 +147,7 @@ int send_packet(packet_t *pkt, int fd)
goto failure;
}
if (pkt->type != ZSM_TYP_INFO && pkt->length > 0 && pkt->data != NULL) {
if (pkt->type != ZSM_TYP_INFO && pkt->type != ZSM_TYP_ERROR && pkt->length > 0 && pkt->data != NULL) {
/* Buffer to store payload (data + signature) */
size_t payload_len = pkt->length + SIGN_SIZE;
uint8_t payload[payload_len];
@ -234,8 +233,8 @@ int verify_packet(packet_t *pkt, int fd)
if (crypto_sign_verify_detached(pkt->signature, hash, HASH_SIZE, kp_from->pk.raw) != 0) {
/* Not match */
error(0, "Cannot verify data integrity");
packet_t *error_pkt = create_packet(ZSM_STA_ERROR_INTEGRITY, ZSM_TYP_ERROR, 0, NULL,
create_signature(NULL, 0, NULL));
packet_t *error_pkt = create_packet(ZSM_STA_ERROR_INTEGRITY,
ZSM_TYP_ERROR, 0, NULL, NULL);
send_packet(error_pkt, fd);
free_packet(error_pkt);
return ZSM_STA_ERROR_INTEGRITY;