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hci: prefix authentication flags with AUTH_FLAG_*

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This commit is contained in:
Matthias Ringwald 2021-06-18 20:51:11 +02:00
parent 77208d9020
commit 8daf94bc5a
2 changed files with 66 additions and 66 deletions
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90
src/hci.c
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@ -207,7 +207,7 @@ static hci_connection_t * create_connection_for_bd_addr_and_type(const bd_addr_t
conn->role = HCI_ROLE_INVALID; conn->role = HCI_ROLE_INVALID;
conn->address_type = addr_type; conn->address_type = addr_type;
conn->con_handle = 0xffff; conn->con_handle = 0xffff;
conn->authentication_flags = AUTH_FLAGS_NONE; conn->authentication_flags = AUTH_FLAG_NONE;
conn->bonding_flags = 0; conn->bonding_flags = 0;
conn->requested_security_level = LEVEL_0; conn->requested_security_level = LEVEL_0;
#ifdef ENABLE_CLASSIC #ifdef ENABLE_CLASSIC
@ -392,15 +392,15 @@ static void hci_add_connection_flags_for_flipped_bd_addr(uint8_t *bd_addr, hci_a
} }
static bool hci_pairing_active(hci_connection_t * hci_connection){ static bool hci_pairing_active(hci_connection_t * hci_connection){
return (hci_connection->authentication_flags & PAIRING_ACTIVE_MASK) != 0; return (hci_connection->authentication_flags & AUTH_FLAG_PAIRING_ACTIVE_MASK) != 0;
} }
static void hci_pairing_started(hci_connection_t * hci_connection, bool ssp){ static void hci_pairing_started(hci_connection_t * hci_connection, bool ssp){
if (hci_pairing_active(hci_connection)) return; if (hci_pairing_active(hci_connection)) return;
if (ssp){ if (ssp){
hci_connection->authentication_flags |= SSP_PAIRING_ACTIVE; hci_connection->authentication_flags |= AUTH_FLAG_SSP_PAIRING_ACTIVE;
} else { } else {
hci_connection->authentication_flags |= LEGACY_PAIRING_ACTIVE; hci_connection->authentication_flags |= AUTH_FLAG_LEGACY_PAIRING_ACTIVE;
} }
// if we are initiator, we have sent an HCI Authenticate Request // if we are initiator, we have sent an HCI Authenticate Request
bool initiator = (hci_connection->bonding_flags & BONDING_SENT_AUTHENTICATE_REQUEST) != 0; bool initiator = (hci_connection->bonding_flags & BONDING_SENT_AUTHENTICATE_REQUEST) != 0;
@ -419,7 +419,7 @@ static void hci_pairing_started(hci_connection_t * hci_connection, bool ssp){
static void hci_pairing_complete(hci_connection_t * hci_connection, uint8_t status){ static void hci_pairing_complete(hci_connection_t * hci_connection, uint8_t status){
if (!hci_pairing_active(hci_connection)) return; if (!hci_pairing_active(hci_connection)) return;
hci_connection->authentication_flags &= ~PAIRING_ACTIVE_MASK; hci_connection->authentication_flags &= ~AUTH_FLAG_PAIRING_ACTIVE_MASK;
log_info("pairing complete, status %02x", status); log_info("pairing complete, status %02x", status);
uint8_t event[12]; uint8_t event[12];
@ -2091,10 +2091,10 @@ static void handle_event_for_current_stack_state(const uint8_t * packet, uint16_
#ifdef ENABLE_CLASSIC #ifdef ENABLE_CLASSIC
static void hci_handle_read_encryption_key_size_complete(hci_connection_t * conn, uint8_t encryption_key_size) { static void hci_handle_read_encryption_key_size_complete(hci_connection_t * conn, uint8_t encryption_key_size) {
conn->authentication_flags |= CONNECTION_ENCRYPTED; conn->authentication_flags |= AUTH_FLAG_CONNECTION_ENCRYPTED;
conn->encryption_key_size = encryption_key_size; conn->encryption_key_size = encryption_key_size;
if ((conn->authentication_flags & CONNECTION_AUTHENTICATED) != 0) { if ((conn->authentication_flags & AUTH_FLAG_CONNECTION_AUTHENTICATED) != 0) {
conn->requested_security_level = LEVEL_0; conn->requested_security_level = LEVEL_0;
hci_emit_security_level(conn->con_handle, gap_security_level_for_connection(conn)); hci_emit_security_level(conn->con_handle, gap_security_level_for_connection(conn));
return; return;
@ -2586,7 +2586,7 @@ static void event_handler(uint8_t *packet, uint16_t size){
// queue set supervision timeout if we're master // queue set supervision timeout if we're master
if ((hci_stack->link_supervision_timeout != HCI_LINK_SUPERVISION_TIMEOUT_DEFAULT) && (conn->role == HCI_ROLE_MASTER)){ if ((hci_stack->link_supervision_timeout != HCI_LINK_SUPERVISION_TIMEOUT_DEFAULT) && (conn->role == HCI_ROLE_MASTER)){
connectionSetAuthenticationFlags(conn, WRITE_SUPERVISION_TIMEOUT); connectionSetAuthenticationFlags(conn, AUTH_FLAG_WRITE_SUPERVISION_TIMEOUT);
} }
// restart timer // restart timer
@ -2693,9 +2693,9 @@ static void event_handler(uint8_t *packet, uint16_t size){
break; break;
case HCI_EVENT_LINK_KEY_REQUEST: case HCI_EVENT_LINK_KEY_REQUEST:
hci_add_connection_flags_for_flipped_bd_addr(&packet[2], RECV_LINK_KEY_REQUEST); hci_add_connection_flags_for_flipped_bd_addr(&packet[2], AUTH_FLAG_RECV_LINK_KEY_REQUEST);
// request handled by hci_run() // request handled by hci_run()
hci_add_connection_flags_for_flipped_bd_addr(&packet[2], HANDLE_LINK_KEY_REQUEST); hci_add_connection_flags_for_flipped_bd_addr(&packet[2], AUTH_FLAG_HANDLE_LINK_KEY_REQUEST);
break; break;
case HCI_EVENT_LINK_KEY_NOTIFICATION: { case HCI_EVENT_LINK_KEY_NOTIFICATION: {
@ -2705,7 +2705,7 @@ static void event_handler(uint8_t *packet, uint16_t size){
hci_pairing_complete(conn, ERROR_CODE_SUCCESS); hci_pairing_complete(conn, ERROR_CODE_SUCCESS);
conn->authentication_flags |= RECV_LINK_KEY_NOTIFICATION; conn->authentication_flags |= AUTH_FLAG_RECV_LINK_KEY_NOTIFICATION;
link_key_type_t link_key_type = (link_key_type_t)packet[24]; link_key_type_t link_key_type = (link_key_type_t)packet[24];
// Change Connection Encryption keeps link key type // Change Connection Encryption keeps link key type
if (link_key_type != CHANGED_COMBINATION_KEY){ if (link_key_type != CHANGED_COMBINATION_KEY){
@ -2738,7 +2738,7 @@ static void event_handler(uint8_t *packet, uint16_t size){
hci_pairing_started(conn, false); hci_pairing_started(conn, false);
// non-bondable mode: pin code negative reply will be sent (event is not forwarded to app) // non-bondable mode: pin code negative reply will be sent (event is not forwarded to app)
if (!hci_stack->bondable){ if (!hci_stack->bondable){
conn->authentication_flags |= DENY_PIN_CODE_REQUEST; conn->authentication_flags |= AUTH_FLAG_DENY_PIN_CODE_REQUEST;
hci_pairing_complete(conn, ERROR_CODE_PAIRING_NOT_ALLOWED); hci_pairing_complete(conn, ERROR_CODE_PAIRING_NOT_ALLOWED);
hci_run(); hci_run();
return; return;
@ -2750,7 +2750,7 @@ static void event_handler(uint8_t *packet, uint16_t size){
conn = hci_connection_for_bd_addr_and_type(addr, BD_ADDR_TYPE_ACL); conn = hci_connection_for_bd_addr_and_type(addr, BD_ADDR_TYPE_ACL);
if (!conn) break; if (!conn) break;
hci_add_connection_flags_for_flipped_bd_addr(&packet[2], RECV_IO_CAPABILITIES_RESPONSE); hci_add_connection_flags_for_flipped_bd_addr(&packet[2], AUTH_FLAG_RECV_IO_CAPABILITIES_RESPONSE);
hci_pairing_started(conn, true); hci_pairing_started(conn, true);
conn->io_cap_response_auth_req = hci_event_io_capability_response_get_authentication_requirements(packet); conn->io_cap_response_auth_req = hci_event_io_capability_response_get_authentication_requirements(packet);
conn->io_cap_response_io = hci_event_io_capability_response_get_io_capability(packet); conn->io_cap_response_io = hci_event_io_capability_response_get_io_capability(packet);
@ -2761,13 +2761,13 @@ static void event_handler(uint8_t *packet, uint16_t size){
conn = hci_connection_for_bd_addr_and_type(addr, BD_ADDR_TYPE_ACL); conn = hci_connection_for_bd_addr_and_type(addr, BD_ADDR_TYPE_ACL);
if (!conn) break; if (!conn) break;
hci_add_connection_flags_for_flipped_bd_addr(&packet[2], RECV_IO_CAPABILITIES_REQUEST); hci_add_connection_flags_for_flipped_bd_addr(&packet[2], AUTH_FLAG_RECV_IO_CAPABILITIES_REQUEST);
hci_pairing_started(conn, true); hci_pairing_started(conn, true);
#ifndef ENABLE_EXPLICIT_IO_CAPABILITIES_REPLY #ifndef ENABLE_EXPLICIT_IO_CAPABILITIES_REPLY
if (hci_stack->ssp_io_capability != SSP_IO_CAPABILITY_UNKNOWN){ if (hci_stack->ssp_io_capability != SSP_IO_CAPABILITY_UNKNOWN){
hci_add_connection_flags_for_flipped_bd_addr(&packet[2], SEND_IO_CAPABILITIES_REPLY); hci_add_connection_flags_for_flipped_bd_addr(&packet[2], AUTH_FLAG_SEND_IO_CAPABILITIES_REPLY);
} else { } else {
hci_add_connection_flags_for_flipped_bd_addr(&packet[2], SEND_IO_CAPABILITIES_NEGATIVE_REPLY); hci_add_connection_flags_for_flipped_bd_addr(&packet[2], AUTH_FLAG_SEND_IO_CAPABILITIES_NEGATIVE_REPLY);
} }
#endif #endif
break; break;
@ -2783,14 +2783,14 @@ static void event_handler(uint8_t *packet, uint16_t size){
hci_event_user_confirmation_request_get_bd_addr(packet, addr); hci_event_user_confirmation_request_get_bd_addr(packet, addr);
if (hci_ssp_validate_possible_security_level(addr) == false) break; if (hci_ssp_validate_possible_security_level(addr) == false) break;
if (!hci_stack->ssp_auto_accept) break; if (!hci_stack->ssp_auto_accept) break;
hci_add_connection_flags_for_flipped_bd_addr(&packet[2], SEND_USER_CONFIRM_REPLY); hci_add_connection_flags_for_flipped_bd_addr(&packet[2], AUTH_FLAG_SEND_USER_CONFIRM_REPLY);
break; break;
case HCI_EVENT_USER_PASSKEY_REQUEST: case HCI_EVENT_USER_PASSKEY_REQUEST:
hci_event_user_passkey_request_get_bd_addr(packet, addr); hci_event_user_passkey_request_get_bd_addr(packet, addr);
if (hci_ssp_validate_possible_security_level(addr) == false) break; if (hci_ssp_validate_possible_security_level(addr) == false) break;
if (!hci_stack->ssp_auto_accept) break; if (!hci_stack->ssp_auto_accept) break;
hci_add_connection_flags_for_flipped_bd_addr(&packet[2], SEND_USER_PASSKEY_REPLY); hci_add_connection_flags_for_flipped_bd_addr(&packet[2], AUTH_FLAG_SEND_USER_PASSKEY_REPLY);
break; break;
case HCI_EVENT_MODE_CHANGE: case HCI_EVENT_MODE_CHANGE:
@ -2811,7 +2811,7 @@ static void event_handler(uint8_t *packet, uint16_t size){
if (encryption_enabled){ if (encryption_enabled){
if (hci_is_le_connection(conn)){ if (hci_is_le_connection(conn)){
// For LE, we accept connection as encrypted // For LE, we accept connection as encrypted
conn->authentication_flags |= CONNECTION_ENCRYPTED; conn->authentication_flags |= AUTH_FLAG_CONNECTION_ENCRYPTED;
} }
#ifdef ENABLE_CLASSIC #ifdef ENABLE_CLASSIC
else { else {
@ -2843,7 +2843,7 @@ static void event_handler(uint8_t *packet, uint16_t size){
} }
#endif #endif
} else { } else {
conn->authentication_flags &= ~CONNECTION_ENCRYPTED; conn->authentication_flags &= ~AUTH_FLAG_CONNECTION_ENCRYPTED;
} }
} }
@ -2862,10 +2862,10 @@ static void event_handler(uint8_t *packet, uint16_t size){
// authenticated only if auth status == 0 // authenticated only if auth status == 0
if (hci_event_authentication_complete_get_status(packet) == 0){ if (hci_event_authentication_complete_get_status(packet) == 0){
// authenticated // authenticated
conn->authentication_flags |= CONNECTION_AUTHENTICATED; conn->authentication_flags |= AUTH_FLAG_CONNECTION_AUTHENTICATED;
// If not already encrypted, start encryption // If not already encrypted, start encryption
if ((conn->authentication_flags & CONNECTION_ENCRYPTED) == 0){ if ((conn->authentication_flags & AUTH_FLAG_CONNECTION_ENCRYPTED) == 0){
conn->bonding_flags |= BONDING_SEND_ENCRYPTION_REQUEST; conn->bonding_flags |= BONDING_SEND_ENCRYPTION_REQUEST;
break; break;
} }
@ -4456,24 +4456,24 @@ static bool hci_run_general_pending_commands(void){
// no further commands if connection is about to get shut down // no further commands if connection is about to get shut down
if (connection->state == SENT_DISCONNECT) continue; if (connection->state == SENT_DISCONNECT) continue;
if (connection->authentication_flags & READ_RSSI){ if (connection->authentication_flags & AUTH_FLAG_READ_RSSI){
connectionClearAuthenticationFlags(connection, READ_RSSI); connectionClearAuthenticationFlags(connection, AUTH_FLAG_READ_RSSI);
hci_send_cmd(&hci_read_rssi, connection->con_handle); hci_send_cmd(&hci_read_rssi, connection->con_handle);
return true; return true;
} }
#ifdef ENABLE_CLASSIC #ifdef ENABLE_CLASSIC
if (connection->authentication_flags & WRITE_SUPERVISION_TIMEOUT){ if (connection->authentication_flags & AUTH_FLAG_WRITE_SUPERVISION_TIMEOUT){
connectionClearAuthenticationFlags(connection, WRITE_SUPERVISION_TIMEOUT); connectionClearAuthenticationFlags(connection, AUTH_FLAG_WRITE_SUPERVISION_TIMEOUT);
hci_send_cmd(&hci_write_link_supervision_timeout, connection->con_handle, hci_stack->link_supervision_timeout); hci_send_cmd(&hci_write_link_supervision_timeout, connection->con_handle, hci_stack->link_supervision_timeout);
return true; return true;
} }
// Handling link key request requires remote supported features // Handling link key request requires remote supported features
if ( ((connection->authentication_flags & HANDLE_LINK_KEY_REQUEST) != 0) && ((connection->bonding_flags & BONDING_RECEIVED_REMOTE_FEATURES) != 0)){ if (((connection->authentication_flags & AUTH_FLAG_HANDLE_LINK_KEY_REQUEST) != 0) && ((connection->bonding_flags & BONDING_RECEIVED_REMOTE_FEATURES) != 0)){
log_info("responding to link key request, have link key db: %u", hci_stack->link_key_db != NULL); log_info("responding to link key request, have link key db: %u", hci_stack->link_key_db != NULL);
connectionClearAuthenticationFlags(connection, HANDLE_LINK_KEY_REQUEST); connectionClearAuthenticationFlags(connection, AUTH_FLAG_HANDLE_LINK_KEY_REQUEST);
// lookup link key using cached key first // lookup link key using cached key first
bool have_link_key = connection->link_key_type != INVALID_LINK_KEY; bool have_link_key = connection->link_key_type != INVALID_LINK_KEY;
@ -4500,15 +4500,15 @@ static bool hci_run_general_pending_commands(void){
return true; return true;
} }
if (connection->authentication_flags & DENY_PIN_CODE_REQUEST){ if (connection->authentication_flags & AUTH_FLAG_DENY_PIN_CODE_REQUEST){
log_info("denying to pin request"); log_info("denying to pin request");
connectionClearAuthenticationFlags(connection, DENY_PIN_CODE_REQUEST); connectionClearAuthenticationFlags(connection, AUTH_FLAG_DENY_PIN_CODE_REQUEST);
hci_send_cmd(&hci_pin_code_request_negative_reply, connection->address); hci_send_cmd(&hci_pin_code_request_negative_reply, connection->address);
return true; return true;
} }
if (connection->authentication_flags & SEND_IO_CAPABILITIES_REPLY){ if (connection->authentication_flags & AUTH_FLAG_SEND_IO_CAPABILITIES_REPLY){
connectionClearAuthenticationFlags(connection, SEND_IO_CAPABILITIES_REPLY); connectionClearAuthenticationFlags(connection, AUTH_FLAG_SEND_IO_CAPABILITIES_REPLY);
// set authentication requirements: // set authentication requirements:
// - MITM = ssp_authentication_requirement (USER) | requested_security_level (dynamic) // - MITM = ssp_authentication_requirement (USER) | requested_security_level (dynamic)
// - BONDING MODE: dedicated if requested, bondable otherwise. Drop bondable if not set for remote // - BONDING MODE: dedicated if requested, bondable otherwise. Drop bondable if not set for remote
@ -4517,7 +4517,7 @@ static bool hci_run_general_pending_commands(void){
authreq |= 1; authreq |= 1;
} }
bool bonding = hci_stack->bondable; bool bonding = hci_stack->bondable;
if (connection->authentication_flags & RECV_IO_CAPABILITIES_RESPONSE){ if (connection->authentication_flags & AUTH_FLAG_RECV_IO_CAPABILITIES_RESPONSE){
// if we have received IO Cap Response, we're in responder role // if we have received IO Cap Response, we're in responder role
bool remote_bonding = connection->io_cap_response_auth_req >= SSP_IO_AUTHREQ_MITM_PROTECTION_NOT_REQUIRED_DEDICATED_BONDING; bool remote_bonding = connection->io_cap_response_auth_req >= SSP_IO_AUTHREQ_MITM_PROTECTION_NOT_REQUIRED_DEDICATED_BONDING;
if (bonding && !remote_bonding){ if (bonding && !remote_bonding){
@ -4545,8 +4545,8 @@ static bool hci_run_general_pending_commands(void){
return true; return true;
} }
if (connection->authentication_flags & SEND_IO_CAPABILITIES_NEGATIVE_REPLY) { if (connection->authentication_flags & AUTH_FLAG_SEND_IO_CAPABILITIES_NEGATIVE_REPLY) {
connectionClearAuthenticationFlags(connection, SEND_IO_CAPABILITIES_NEGATIVE_REPLY); connectionClearAuthenticationFlags(connection, AUTH_FLAG_SEND_IO_CAPABILITIES_NEGATIVE_REPLY);
hci_send_cmd(&hci_io_capability_request_negative_reply, &connection->address, ERROR_CODE_PAIRING_NOT_ALLOWED); hci_send_cmd(&hci_io_capability_request_negative_reply, &connection->address, ERROR_CODE_PAIRING_NOT_ALLOWED);
return true; return true;
} }
@ -4585,14 +4585,14 @@ static bool hci_run_general_pending_commands(void){
} }
#endif #endif
if (connection->authentication_flags & SEND_USER_CONFIRM_REPLY){ if (connection->authentication_flags & AUTH_FLAG_SEND_USER_CONFIRM_REPLY){
connectionClearAuthenticationFlags(connection, SEND_USER_CONFIRM_REPLY); connectionClearAuthenticationFlags(connection, AUTH_FLAG_SEND_USER_CONFIRM_REPLY);
hci_send_cmd(&hci_user_confirmation_request_reply, &connection->address); hci_send_cmd(&hci_user_confirmation_request_reply, &connection->address);
return true; return true;
} }
if (connection->authentication_flags & SEND_USER_PASSKEY_REPLY){ if (connection->authentication_flags & AUTH_FLAG_SEND_USER_PASSKEY_REPLY){
connectionClearAuthenticationFlags(connection, SEND_USER_PASSKEY_REPLY); connectionClearAuthenticationFlags(connection, AUTH_FLAG_SEND_USER_PASSKEY_REPLY);
hci_send_cmd(&hci_user_passkey_request_reply, &connection->address, 000000); hci_send_cmd(&hci_user_passkey_request_reply, &connection->address, 000000);
return true; return true;
} }
@ -4970,10 +4970,10 @@ int hci_send_cmd_packet(uint8_t *packet, int size){
(void) memcpy(hci_stack->outgoing_addr, addr, 6); (void) memcpy(hci_stack->outgoing_addr, addr, 6);
break; break;
case HCI_OPCODE_HCI_LINK_KEY_REQUEST_REPLY: case HCI_OPCODE_HCI_LINK_KEY_REQUEST_REPLY:
hci_add_connection_flags_for_flipped_bd_addr(&packet[3], SENT_LINK_KEY_REPLY); hci_add_connection_flags_for_flipped_bd_addr(&packet[3], AUTH_FLAG_SENT_LINK_KEY_REPLY);
break; break;
case HCI_OPCODE_HCI_LINK_KEY_REQUEST_NEGATIVE_REPLY: case HCI_OPCODE_HCI_LINK_KEY_REQUEST_NEGATIVE_REPLY:
hci_add_connection_flags_for_flipped_bd_addr(&packet[3], SENT_LINK_KEY_NEGATIVE_REQUEST); hci_add_connection_flags_for_flipped_bd_addr(&packet[3], AUTH_FLAG_SENT_LINK_KEY_NEGATIVE_REQUEST);
break; break;
case HCI_OPCODE_HCI_DELETE_STORED_LINK_KEY: case HCI_OPCODE_HCI_DELETE_STORED_LINK_KEY:
if (hci_stack->link_key_db) { if (hci_stack->link_key_db) {
@ -5366,9 +5366,9 @@ static void hci_emit_security_level(hci_con_handle_t con_handle, gap_security_le
static gap_security_level_t gap_security_level_for_connection(hci_connection_t * connection){ static gap_security_level_t gap_security_level_for_connection(hci_connection_t * connection){
if (!connection) return LEVEL_0; if (!connection) return LEVEL_0;
if ((connection->authentication_flags & CONNECTION_ENCRYPTED) == 0) return LEVEL_0; if ((connection->authentication_flags & AUTH_FLAG_CONNECTION_ENCRYPTED) == 0) return LEVEL_0;
// BIAS: we only consider Authenticated if the connection is already encrypted, which requires that both sides have link key // BIAS: we only consider Authenticated if the connection is already encrypted, which requires that both sides have link key
if ((connection->authentication_flags & CONNECTION_AUTHENTICATED) == 0) return LEVEL_0; if ((connection->authentication_flags & AUTH_FLAG_CONNECTION_AUTHENTICATED) == 0) return LEVEL_0;
if (connection->encryption_key_size < hci_stack->gap_required_encyrption_key_size) return LEVEL_0; if (connection->encryption_key_size < hci_stack->gap_required_encyrption_key_size) return LEVEL_0;
gap_security_level_t security_level = gap_security_level_for_link_key_type(connection->link_key_type); gap_security_level_t security_level = gap_security_level_for_link_key_type(connection->link_key_type);
// LEVEL 4 always requires 128 bit encrytion key size // LEVEL 4 always requires 128 bit encrytion key size
@ -5858,7 +5858,7 @@ uint8_t gap_disconnect(hci_con_handle_t handle){
int gap_read_rssi(hci_con_handle_t con_handle){ int gap_read_rssi(hci_con_handle_t con_handle){
hci_connection_t * hci_connection = hci_connection_for_handle(con_handle); hci_connection_t * hci_connection = hci_connection_for_handle(con_handle);
if (hci_connection == NULL) return 0; if (hci_connection == NULL) return 0;
connectionSetAuthenticationFlags(hci_connection, READ_RSSI); connectionSetAuthenticationFlags(hci_connection, AUTH_FLAG_READ_RSSI);
hci_run(); hci_run();
return 1; return 1;
} }
@ -6437,7 +6437,7 @@ int gap_encryption_key_size(hci_con_handle_t con_handle){
#endif #endif
} else { } else {
#ifdef ENABLE_CLASSIC #ifdef ENABLE_CLASSIC
if ((hci_connection->authentication_flags & CONNECTION_ENCRYPTED)){ if ((hci_connection->authentication_flags & AUTH_FLAG_CONNECTION_ENCRYPTED)){
return hci_connection->encryption_key_size; return hci_connection->encryption_key_size;
} }
#endif #endif

42
src/hci.h
View File

@ -198,35 +198,35 @@ typedef enum {
// Authentication flags // Authentication flags
typedef enum { typedef enum {
AUTH_FLAGS_NONE = 0x0000, AUTH_FLAG_NONE = 0x0000,
RECV_LINK_KEY_REQUEST = 0x0001, AUTH_FLAG_RECV_LINK_KEY_REQUEST = 0x0001,
HANDLE_LINK_KEY_REQUEST = 0x0002, AUTH_FLAG_HANDLE_LINK_KEY_REQUEST = 0x0002,
SENT_LINK_KEY_REPLY = 0x0004, AUTH_FLAG_SENT_LINK_KEY_REPLY = 0x0004,
SENT_LINK_KEY_NEGATIVE_REQUEST = 0x0008, AUTH_FLAG_SENT_LINK_KEY_NEGATIVE_REQUEST = 0x0008,
RECV_LINK_KEY_NOTIFICATION = 0x0010, AUTH_FLAG_RECV_LINK_KEY_NOTIFICATION = 0x0010,
DENY_PIN_CODE_REQUEST = 0x0040, AUTH_FLAG_DENY_PIN_CODE_REQUEST = 0x0040,
RECV_IO_CAPABILITIES_REQUEST = 0x0080, AUTH_FLAG_RECV_IO_CAPABILITIES_REQUEST = 0x0080,
RECV_IO_CAPABILITIES_RESPONSE = 0x0100, AUTH_FLAG_RECV_IO_CAPABILITIES_RESPONSE = 0x0100,
SEND_IO_CAPABILITIES_REPLY = 0x0200, AUTH_FLAG_SEND_IO_CAPABILITIES_REPLY = 0x0200,
SEND_IO_CAPABILITIES_NEGATIVE_REPLY = 0x0400, AUTH_FLAG_SEND_IO_CAPABILITIES_NEGATIVE_REPLY = 0x0400,
SEND_USER_CONFIRM_REPLY = 0x0800, AUTH_FLAG_SEND_USER_CONFIRM_REPLY = 0x0800,
SEND_USER_PASSKEY_REPLY = 0x1000, AUTH_FLAG_SEND_USER_PASSKEY_REPLY = 0x1000,
// Classic OOB // Classic OOB
SEND_REMOTE_OOB_DATA_REPLY = 0x2000, AUTH_FLAG_SEND_REMOTE_OOB_DATA_REPLY = 0x2000,
// pairing status // pairing status
LEGACY_PAIRING_ACTIVE = 0x4000, AUTH_FLAG_LEGACY_PAIRING_ACTIVE = 0x4000,
SSP_PAIRING_ACTIVE = 0x8000, AUTH_FLAG_SSP_PAIRING_ACTIVE = 0x8000,
PAIRING_ACTIVE_MASK = (LEGACY_PAIRING_ACTIVE | SSP_PAIRING_ACTIVE), AUTH_FLAG_PAIRING_ACTIVE_MASK = (AUTH_FLAG_LEGACY_PAIRING_ACTIVE | AUTH_FLAG_SSP_PAIRING_ACTIVE),
// connection status // connection status
CONNECTION_AUTHENTICATED = 0x10000, AUTH_FLAG_CONNECTION_AUTHENTICATED = 0x10000,
CONNECTION_ENCRYPTED = 0x20000, AUTH_FLAG_CONNECTION_ENCRYPTED = 0x20000,
// errands // errands
READ_RSSI = 0x40000, AUTH_FLAG_READ_RSSI = 0x40000,
WRITE_SUPERVISION_TIMEOUT = 0x80000, AUTH_FLAG_WRITE_SUPERVISION_TIMEOUT = 0x80000,
} hci_authentication_flags_t; } hci_authentication_flags_t;