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extmod/modbluetooth: Allow configuration of pairing/bonding parameters.

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This allows setting the security and MITM-protection requirements.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
This commit is contained in:
Jim Mussared
2020-11-24 23:54:46 +11:00
committed by Damien George
parent 05fef8c6a4
commit a1fcf30121
5 changed files with 109 additions and 6 deletions
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38
extmod/btstack/modbluetooth_btstack.c
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@@ -53,6 +53,11 @@ STATIC const uint16_t BTSTACK_GAP_DEVICE_NAME_HANDLE = 3;
volatile int mp_bluetooth_btstack_state = MP_BLUETOOTH_BTSTACK_STATE_OFF;
// sm_set_authentication_requirements is set-only, so cache current value.
#if MICROPY_PY_BLUETOOTH_ENABLE_PAIRING_BONDING
STATIC uint8_t mp_bluetooth_btstack_sm_auth_req = 0;
#endif
#define ERRNO_BLUETOOTH_NOT_ACTIVE MP_ENODEV
STATIC int btstack_error_to_errno(int err) {
@@ -795,6 +800,39 @@ void mp_bluetooth_set_address_mode(uint8_t addr_mode) {
}
}
#if MICROPY_PY_BLUETOOTH_ENABLE_PAIRING_BONDING
void mp_bluetooth_set_bonding(bool enabled) {
if (enabled) {
mp_bluetooth_btstack_sm_auth_req |= SM_AUTHREQ_BONDING;
} else {
mp_bluetooth_btstack_sm_auth_req &= ~SM_AUTHREQ_BONDING;
}
sm_set_authentication_requirements(mp_bluetooth_btstack_sm_auth_req);
}
void mp_bluetooth_set_mitm_protection(bool enabled) {
if (enabled) {
mp_bluetooth_btstack_sm_auth_req |= SM_AUTHREQ_MITM_PROTECTION;
} else {
mp_bluetooth_btstack_sm_auth_req &= ~SM_AUTHREQ_MITM_PROTECTION;
}
sm_set_authentication_requirements(mp_bluetooth_btstack_sm_auth_req);
}
void mp_bluetooth_set_le_secure(bool enabled) {
if (enabled) {
mp_bluetooth_btstack_sm_auth_req |= SM_AUTHREQ_SECURE_CONNECTION;
} else {
mp_bluetooth_btstack_sm_auth_req &= ~SM_AUTHREQ_SECURE_CONNECTION;
}
sm_set_authentication_requirements(mp_bluetooth_btstack_sm_auth_req);
}
void mp_bluetooth_set_io_capability(uint8_t capability) {
sm_set_io_capabilities(capability);
}
#endif // MICROPY_PY_BLUETOOTH_ENABLE_PAIRING_BONDING
size_t mp_bluetooth_gap_get_device_name(const uint8_t **buf) {
uint8_t *value = NULL;
size_t value_len = 0;