feat remove openssl dependency functions and add missing file to cmake (#52)

* feat: remove openssl dependency functions and add missing file to cmake

* chore: also build shared lib

* chore: also build shared for github ci

* chore: do not test shared libs in ci for the moment
This commit is contained in:
Steve Karg
2020-03-04 13:35:14 -06:00
committed by GitHub
parent 5ed135c441
commit bb5fafc06a
7 changed files with 240 additions and 534 deletions
+1 -1
View File
@@ -20,7 +20,7 @@
#include <stdio.h>
#include <stdbool.h>
#include <stdint.h>
#include "mstimer.h"
#include "bacnet/basic/sys/mstimer.h"
/**
* @brief Set a timer for a time sometime in the future
+219 -219
View File
@@ -38,122 +38,122 @@ BACNET_KEY_IDENTIFIER_KEY_NUMBER key_number(uint16_t id)
return (BACNET_KEY_IDENTIFIER_KEY_NUMBER)(id & 0xFF);
}
int encode_security_wrapper(
int bytes_before, uint8_t *apdu, BACNET_SECURITY_WRAPPER *wrapper)
{
int curr = 0;
int enc_begin = 0;
BACNET_KEY_ENTRY key;
BACNET_SECURITY_RESPONSE_CODE res = SEC_RESP_SUCCESS;
// int encode_security_wrapper(
// int bytes_before, uint8_t *apdu, BACNET_SECURITY_WRAPPER *wrapper)
// {
// int curr = 0;
// int enc_begin = 0;
// BACNET_KEY_ENTRY key;
// BACNET_SECURITY_RESPONSE_CODE res = SEC_RESP_SUCCESS;
apdu[curr] = 0;
/* control byte */
if (wrapper->payload_net_or_bvll_flag) {
apdu[curr] |= 1 << 7;
}
/* encryption flag will be set after signature calculation */
/* bit 5 is reserved and shall be 0 */
if (wrapper->authentication_flag) {
apdu[curr] |= 1 << 4;
}
if (wrapper->do_not_unwrap_flag) {
apdu[curr] |= 1 << 3;
}
if (wrapper->do_not_decrypt_flag) {
apdu[curr] |= 1 << 2;
}
if (wrapper->non_trusted_source_flag) {
apdu[curr] |= 1 << 1;
}
if (wrapper->secured_by_router_flag) {
apdu[curr] |= 1;
}
curr++;
/* basic integrity checks */
if (wrapper->do_not_decrypt_flag && !wrapper->do_not_unwrap_flag) {
return -SEC_RESP_MALFORMED_MESSAGE;
}
if (!wrapper->encrypted_flag && wrapper->do_not_decrypt_flag) {
return -SEC_RESP_MALFORMED_MESSAGE;
}
/* key */
apdu[curr++] = wrapper->key_revision;
curr += encode_unsigned16(&apdu[curr], wrapper->key_identifier);
/* find appropriate key */
key.key_identifier = wrapper->key_identifier;
res = bacnet_find_key(wrapper->key_revision, &key);
if (res != SEC_RESP_SUCCESS) {
return -res;
}
/* source device instance */
curr += encode_unsigned24(&apdu[curr], wrapper->source_device_instance);
/* message id */
curr += encode_unsigned32(&apdu[curr], wrapper->message_id);
/* timestamp */
curr += encode_unsigned32(&apdu[curr], wrapper->timestamp);
/* begin encryption starting from destination device instance */
enc_begin = curr;
/* destination device instance */
curr +=
encode_unsigned24(&apdu[curr], wrapper->destination_device_instance);
/* dst address */
curr += encode_unsigned16(&apdu[curr], wrapper->dnet);
apdu[curr++] = wrapper->dlen;
memcpy(&apdu[curr], wrapper->dadr, wrapper->dlen);
curr += wrapper->dlen;
/* src address */
curr += encode_unsigned16(&apdu[curr], wrapper->snet);
apdu[curr++] = wrapper->slen;
memcpy(&apdu[curr], wrapper->sadr, wrapper->slen);
curr += wrapper->slen;
/* authentication */
if (wrapper->authentication_flag) {
apdu[curr++] = wrapper->authentication_mechanism;
/* authentication data */
curr += encode_unsigned16(&apdu[curr], wrapper->user_id);
apdu[curr++] = wrapper->user_role;
if ((wrapper->authentication_mechanism >= 1) &&
(wrapper->authentication_mechanism <= 199)) {
curr += encode_unsigned16(
&apdu[curr], wrapper->authentication_data_length + 5);
memcpy(&apdu[curr], wrapper->authentication_data,
wrapper->authentication_data_length);
curr += wrapper->authentication_data_length;
} else if (wrapper->authentication_mechanism >= 200) {
curr += encode_unsigned16(
&apdu[curr], wrapper->authentication_data_length + 7);
curr += encode_unsigned16(&apdu[curr], wrapper->vendor_id);
memcpy(&apdu[curr], wrapper->authentication_data,
wrapper->authentication_data_length);
curr += wrapper->authentication_data_length;
}
}
memcpy(&apdu[curr], wrapper->service_data, wrapper->service_data_len);
curr += wrapper->service_data_len;
/* signature calculation */
key_sign_msg(&key, &apdu[-bytes_before], (uint32_t)(bytes_before + curr),
wrapper->signature);
/* padding and encryption */
if (wrapper->encrypted_flag) {
/* set encryption flag, signing is done */
apdu[0] |= 1 << 6;
/* handle padding */
key_set_padding(
&key, curr - enc_begin, &wrapper->padding_len, wrapper->padding);
if (wrapper->padding_len > 2) {
memcpy(&apdu[curr], wrapper->padding, wrapper->padding_len - 2);
curr += wrapper->padding_len - 2;
}
curr += encode_unsigned16(&apdu[curr], wrapper->padding_len);
/* encryption */
key_encrypt_msg(&key, &apdu[enc_begin], (uint32_t)(curr - enc_begin),
wrapper->signature);
}
memcpy(&apdu[curr], wrapper->signature, SIGNATURE_LEN);
curr += SIGNATURE_LEN;
// apdu[curr] = 0;
// /* control byte */
// if (wrapper->payload_net_or_bvll_flag) {
// apdu[curr] |= 1 << 7;
// }
// /* encryption flag will be set after signature calculation */
// /* bit 5 is reserved and shall be 0 */
// if (wrapper->authentication_flag) {
// apdu[curr] |= 1 << 4;
// }
// if (wrapper->do_not_unwrap_flag) {
// apdu[curr] |= 1 << 3;
// }
// if (wrapper->do_not_decrypt_flag) {
// apdu[curr] |= 1 << 2;
// }
// if (wrapper->non_trusted_source_flag) {
// apdu[curr] |= 1 << 1;
// }
// if (wrapper->secured_by_router_flag) {
// apdu[curr] |= 1;
// }
// curr++;
// /* basic integrity checks */
// if (wrapper->do_not_decrypt_flag && !wrapper->do_not_unwrap_flag) {
// return -SEC_RESP_MALFORMED_MESSAGE;
// }
// if (!wrapper->encrypted_flag && wrapper->do_not_decrypt_flag) {
// return -SEC_RESP_MALFORMED_MESSAGE;
// }
// /* key */
// apdu[curr++] = wrapper->key_revision;
// curr += encode_unsigned16(&apdu[curr], wrapper->key_identifier);
// /* find appropriate key */
// key.key_identifier = wrapper->key_identifier;
// res = bacnet_find_key(wrapper->key_revision, &key);
// if (res != SEC_RESP_SUCCESS) {
// return -res;
// }
// /* source device instance */
// curr += encode_unsigned24(&apdu[curr], wrapper->source_device_instance);
// /* message id */
// curr += encode_unsigned32(&apdu[curr], wrapper->message_id);
// /* timestamp */
// curr += encode_unsigned32(&apdu[curr], wrapper->timestamp);
// /* begin encryption starting from destination device instance */
// enc_begin = curr;
// /* destination device instance */
// curr +=
// encode_unsigned24(&apdu[curr], wrapper->destination_device_instance);
// /* dst address */
// curr += encode_unsigned16(&apdu[curr], wrapper->dnet);
// apdu[curr++] = wrapper->dlen;
// memcpy(&apdu[curr], wrapper->dadr, wrapper->dlen);
// curr += wrapper->dlen;
// /* src address */
// curr += encode_unsigned16(&apdu[curr], wrapper->snet);
// apdu[curr++] = wrapper->slen;
// memcpy(&apdu[curr], wrapper->sadr, wrapper->slen);
// curr += wrapper->slen;
// /* authentication */
// if (wrapper->authentication_flag) {
// apdu[curr++] = wrapper->authentication_mechanism;
// /* authentication data */
// curr += encode_unsigned16(&apdu[curr], wrapper->user_id);
// apdu[curr++] = wrapper->user_role;
// if ((wrapper->authentication_mechanism >= 1) &&
// (wrapper->authentication_mechanism <= 199)) {
// curr += encode_unsigned16(
// &apdu[curr], wrapper->authentication_data_length + 5);
// memcpy(&apdu[curr], wrapper->authentication_data,
// wrapper->authentication_data_length);
// curr += wrapper->authentication_data_length;
// } else if (wrapper->authentication_mechanism >= 200) {
// curr += encode_unsigned16(
// &apdu[curr], wrapper->authentication_data_length + 7);
// curr += encode_unsigned16(&apdu[curr], wrapper->vendor_id);
// memcpy(&apdu[curr], wrapper->authentication_data,
// wrapper->authentication_data_length);
// curr += wrapper->authentication_data_length;
// }
// }
// memcpy(&apdu[curr], wrapper->service_data, wrapper->service_data_len);
// curr += wrapper->service_data_len;
// /* signature calculation */
// key_sign_msg(&key, &apdu[-bytes_before], (uint32_t)(bytes_before + curr),
// wrapper->signature);
// /* padding and encryption */
// if (wrapper->encrypted_flag) {
// /* set encryption flag, signing is done */
// apdu[0] |= 1 << 6;
// /* handle padding */
// key_set_padding(
// &key, curr - enc_begin, &wrapper->padding_len, wrapper->padding);
// if (wrapper->padding_len > 2) {
// memcpy(&apdu[curr], wrapper->padding, wrapper->padding_len - 2);
// curr += wrapper->padding_len - 2;
// }
// curr += encode_unsigned16(&apdu[curr], wrapper->padding_len);
// /* encryption */
// key_encrypt_msg(&key, &apdu[enc_begin], (uint32_t)(curr - enc_begin),
// wrapper->signature);
// }
// memcpy(&apdu[curr], wrapper->signature, SIGNATURE_LEN);
// curr += SIGNATURE_LEN;
return curr;
}
// return curr;
// }
int encode_challenge_request(uint8_t *apdu, BACNET_CHALLENGE_REQUEST *bc_req)
{
@@ -375,113 +375,113 @@ int encode_set_master_key(uint8_t *apdu, BACNET_SET_MASTER_KEY *set_master_key)
return encode_key_entry(apdu, &set_master_key->key);
}
int decode_security_wrapper_safe(int bytes_before,
uint8_t *apdu,
uint32_t apdu_len_remaining,
BACNET_SECURITY_WRAPPER *wrapper)
{
int curr = 0;
int enc_begin = 0;
int real_len = (int)(apdu_len_remaining - SIGNATURE_LEN);
BACNET_KEY_ENTRY key;
BACNET_SECURITY_RESPONSE_CODE res = SEC_RESP_SUCCESS;
// int decode_security_wrapper_safe(int bytes_before,
// uint8_t *apdu,
// uint32_t apdu_len_remaining,
// BACNET_SECURITY_WRAPPER *wrapper)
// {
// int curr = 0;
// int enc_begin = 0;
// int real_len = (int)(apdu_len_remaining - SIGNATURE_LEN);
// BACNET_KEY_ENTRY key;
// BACNET_SECURITY_RESPONSE_CODE res = SEC_RESP_SUCCESS;
if (apdu_len_remaining < 40) {
return -SEC_RESP_MALFORMED_MESSAGE;
}
wrapper->payload_net_or_bvll_flag = ((apdu[curr] & (1 << 7)) != 0);
wrapper->encrypted_flag = ((apdu[curr] & (1 << 6)) != 0);
wrapper->authentication_flag = ((apdu[curr] & (1 << 4)) != 0);
wrapper->do_not_unwrap_flag = ((apdu[curr] & (1 << 3)) != 0);
wrapper->do_not_decrypt_flag = ((apdu[curr] & (1 << 2)) != 0);
wrapper->non_trusted_source_flag = ((apdu[curr] & (1 << 1)) != 0);
wrapper->secured_by_router_flag = ((apdu[curr] & 1) != 0);
/* basic integrity checks */
if (wrapper->do_not_decrypt_flag && !wrapper->do_not_unwrap_flag) {
return -SEC_RESP_MALFORMED_MESSAGE;
}
if (!wrapper->encrypted_flag && wrapper->do_not_decrypt_flag) {
return -SEC_RESP_MALFORMED_MESSAGE;
}
/* remove encryption flag for signature validation */
apdu[curr] &= ~((uint8_t)(1 << 6));
curr++;
/* key */
wrapper->key_revision = apdu[curr++];
curr += decode_unsigned16(&apdu[curr], &wrapper->key_identifier);
/* find appropriate key */
key.key_identifier = wrapper->key_identifier;
res = bacnet_find_key(wrapper->key_revision, &key);
if (res != SEC_RESP_SUCCESS) {
return -res;
}
/* source device instance */
curr += decode_unsigned24(&apdu[curr], &wrapper->source_device_instance);
/* message id */
curr += decode_unsigned32(&apdu[curr], &wrapper->message_id);
/* timestamp */
curr += decode_unsigned32(&apdu[curr], &wrapper->timestamp);
/* begin decryption starting from destination device instance */
enc_begin = curr;
/* read signature */
memcpy(wrapper->signature, &apdu[real_len], SIGNATURE_LEN);
if (wrapper->encrypted_flag) {
if (!key_decrypt_msg(&key, &apdu[enc_begin],
(uint32_t)(real_len - enc_begin), wrapper->signature)) {
return -SEC_RESP_MALFORMED_MESSAGE;
}
curr += decode_unsigned16(&apdu[real_len - 2], &wrapper->padding_len);
real_len -= wrapper->padding_len;
memcpy(wrapper->padding, &apdu[wrapper->padding_len],
wrapper->padding_len - 2);
}
/* destination device instance */
curr +=
decode_unsigned24(&apdu[curr], &wrapper->destination_device_instance);
/* dst address */
curr += decode_unsigned16(&apdu[curr], &wrapper->dnet);
wrapper->dlen = apdu[curr++];
memcpy(wrapper->dadr, &apdu[curr], wrapper->dlen);
curr += wrapper->dlen;
/* src address */
curr += decode_unsigned16(&apdu[curr], &wrapper->snet);
wrapper->slen = apdu[curr++];
memcpy(wrapper->sadr, &apdu[curr], wrapper->slen);
curr += wrapper->slen;
/* authentication */
if (wrapper->authentication_flag) {
wrapper->authentication_mechanism = apdu[curr++];
/* authentication data */
curr += decode_unsigned16(&apdu[curr], &wrapper->user_id);
wrapper->user_role = apdu[curr++];
if ((wrapper->authentication_mechanism >= 1) &&
(wrapper->authentication_mechanism <= 199)) {
curr += decode_unsigned16(
&apdu[curr], &wrapper->authentication_data_length);
wrapper->authentication_data_length -= 5;
memcpy(wrapper->authentication_data, &apdu[curr],
wrapper->authentication_data_length);
curr += wrapper->authentication_data_length;
} else if (wrapper->authentication_mechanism >= 200) {
curr += decode_unsigned16(
&apdu[curr], &wrapper->authentication_data_length);
wrapper->authentication_data_length -= 7;
curr += decode_unsigned16(&apdu[curr], &wrapper->vendor_id);
memcpy(wrapper->authentication_data, &apdu[curr],
wrapper->authentication_data_length);
curr += wrapper->authentication_data_length;
}
}
wrapper->service_data_len = (uint16_t)(real_len - curr);
memcpy(wrapper->service_data, &apdu[curr], wrapper->service_data_len);
curr += wrapper->service_data_len;
if (!key_verify_sign_msg(&key, &apdu[-bytes_before],
(uint32_t)(bytes_before + real_len), wrapper->signature)) {
return -SEC_RESP_BAD_SIGNATURE;
}
// if (apdu_len_remaining < 40) {
// return -SEC_RESP_MALFORMED_MESSAGE;
// }
// wrapper->payload_net_or_bvll_flag = ((apdu[curr] & (1 << 7)) != 0);
// wrapper->encrypted_flag = ((apdu[curr] & (1 << 6)) != 0);
// wrapper->authentication_flag = ((apdu[curr] & (1 << 4)) != 0);
// wrapper->do_not_unwrap_flag = ((apdu[curr] & (1 << 3)) != 0);
// wrapper->do_not_decrypt_flag = ((apdu[curr] & (1 << 2)) != 0);
// wrapper->non_trusted_source_flag = ((apdu[curr] & (1 << 1)) != 0);
// wrapper->secured_by_router_flag = ((apdu[curr] & 1) != 0);
// /* basic integrity checks */
// if (wrapper->do_not_decrypt_flag && !wrapper->do_not_unwrap_flag) {
// return -SEC_RESP_MALFORMED_MESSAGE;
// }
// if (!wrapper->encrypted_flag && wrapper->do_not_decrypt_flag) {
// return -SEC_RESP_MALFORMED_MESSAGE;
// }
// /* remove encryption flag for signature validation */
// apdu[curr] &= ~((uint8_t)(1 << 6));
// curr++;
// /* key */
// wrapper->key_revision = apdu[curr++];
// curr += decode_unsigned16(&apdu[curr], &wrapper->key_identifier);
// /* find appropriate key */
// key.key_identifier = wrapper->key_identifier;
// res = bacnet_find_key(wrapper->key_revision, &key);
// if (res != SEC_RESP_SUCCESS) {
// return -res;
// }
// /* source device instance */
// curr += decode_unsigned24(&apdu[curr], &wrapper->source_device_instance);
// /* message id */
// curr += decode_unsigned32(&apdu[curr], &wrapper->message_id);
// /* timestamp */
// curr += decode_unsigned32(&apdu[curr], &wrapper->timestamp);
// /* begin decryption starting from destination device instance */
// enc_begin = curr;
// /* read signature */
// memcpy(wrapper->signature, &apdu[real_len], SIGNATURE_LEN);
// if (wrapper->encrypted_flag) {
// if (!key_decrypt_msg(&key, &apdu[enc_begin],
// (uint32_t)(real_len - enc_begin), wrapper->signature)) {
// return -SEC_RESP_MALFORMED_MESSAGE;
// }
// curr += decode_unsigned16(&apdu[real_len - 2], &wrapper->padding_len);
// real_len -= wrapper->padding_len;
// memcpy(wrapper->padding, &apdu[wrapper->padding_len],
// wrapper->padding_len - 2);
// }
// /* destination device instance */
// curr +=
// decode_unsigned24(&apdu[curr], &wrapper->destination_device_instance);
// /* dst address */
// curr += decode_unsigned16(&apdu[curr], &wrapper->dnet);
// wrapper->dlen = apdu[curr++];
// memcpy(wrapper->dadr, &apdu[curr], wrapper->dlen);
// curr += wrapper->dlen;
// /* src address */
// curr += decode_unsigned16(&apdu[curr], &wrapper->snet);
// wrapper->slen = apdu[curr++];
// memcpy(wrapper->sadr, &apdu[curr], wrapper->slen);
// curr += wrapper->slen;
// /* authentication */
// if (wrapper->authentication_flag) {
// wrapper->authentication_mechanism = apdu[curr++];
// /* authentication data */
// curr += decode_unsigned16(&apdu[curr], &wrapper->user_id);
// wrapper->user_role = apdu[curr++];
// if ((wrapper->authentication_mechanism >= 1) &&
// (wrapper->authentication_mechanism <= 199)) {
// curr += decode_unsigned16(
// &apdu[curr], &wrapper->authentication_data_length);
// wrapper->authentication_data_length -= 5;
// memcpy(wrapper->authentication_data, &apdu[curr],
// wrapper->authentication_data_length);
// curr += wrapper->authentication_data_length;
// } else if (wrapper->authentication_mechanism >= 200) {
// curr += decode_unsigned16(
// &apdu[curr], &wrapper->authentication_data_length);
// wrapper->authentication_data_length -= 7;
// curr += decode_unsigned16(&apdu[curr], &wrapper->vendor_id);
// memcpy(wrapper->authentication_data, &apdu[curr],
// wrapper->authentication_data_length);
// curr += wrapper->authentication_data_length;
// }
// }
// wrapper->service_data_len = (uint16_t)(real_len - curr);
// memcpy(wrapper->service_data, &apdu[curr], wrapper->service_data_len);
// curr += wrapper->service_data_len;
// if (!key_verify_sign_msg(&key, &apdu[-bytes_before],
// (uint32_t)(bytes_before + real_len), wrapper->signature)) {
// return -SEC_RESP_BAD_SIGNATURE;
// }
return curr;
}
// return curr;
// }
int decode_challenge_request_safe(uint8_t *apdu,
uint32_t apdu_len_remaining,
+11 -11
View File
@@ -211,10 +211,10 @@ extern "C" {
uint8_t * msg,
uint32_t msg_len,
uint8_t * signature);
bool key_verify_sign_msg(BACNET_KEY_ENTRY * key,
uint8_t * msg,
uint32_t msg_len,
uint8_t * signature);
// bool key_verify_sign_msg(BACNET_KEY_ENTRY * key,
// uint8_t * msg,
// uint32_t msg_len,
// uint8_t * signature);
int key_encrypt_msg(BACNET_KEY_ENTRY * key,
uint8_t * msg,
uint32_t msg_len,
@@ -229,9 +229,9 @@ extern "C" {
uint8_t * padding);
/* encoders */
int encode_security_wrapper(int bytes_before,
uint8_t * apdu,
BACNET_SECURITY_WRAPPER * wrapper);
// int encode_security_wrapper(int bytes_before,
// uint8_t * apdu,
// BACNET_SECURITY_WRAPPER * wrapper);
int encode_challenge_request(uint8_t * apdu,
BACNET_CHALLENGE_REQUEST * bc_req);
int encode_security_payload(uint8_t * apdu,
@@ -252,10 +252,10 @@ extern "C" {
BACNET_SET_MASTER_KEY * set_master_key);
/* safe decoders */
int decode_security_wrapper_safe(int bytes_before,
uint8_t * apdu,
uint32_t apdu_len_remaining,
BACNET_SECURITY_WRAPPER * wrapper);
// int decode_security_wrapper_safe(int bytes_before,
// uint8_t * apdu,
// uint32_t apdu_len_remaining,
// BACNET_SECURITY_WRAPPER * wrapper);
int decode_challenge_request_safe(uint8_t * apdu,
uint32_t apdu_len_remaining,
BACNET_CHALLENGE_REQUEST * bc_req);