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added callback on encryption request even if lower and restructured for clarity

pull/6188/head
paul-szczepanek-arm 2018-03-01 15:17:36 +00:00
parent e8f29f7327
commit b89f9f2482
1 changed files with 10 additions and 12 deletions
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22
features/FEATURE_BLE/source/generic/GenericSecurityManager.cpp
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@ -375,25 +375,21 @@ ble_error_t GenericSecurityManager::setLinkEncryption(
return BLE_ERROR_OPERATION_NOT_PERMITTED;
}
/* ignore if the link is already at required state*/
if (current_encryption == encryption) {
eventHandler->linkEncryptionResult(connection, current_encryption);
return BLE_ERROR_NONE;
}
if (encryption == link_encryption_t::NOT_ENCRYPTED) {
/* ignore if the link is already at required state*/
return BLE_ERROR_INVALID_STATE;
} else if (encryption == link_encryption_t::NOT_ENCRYPTED) {
/* ignore if we are requesting an open link on an already encrypted link */
} else if (encryption == link_encryption_t::ENCRYPTED) {
/* if already better than encrypted don't bother */
if (current_encryption == link_encryption_t::ENCRYPTED_WITH_MITM) {
eventHandler->linkEncryptionResult(connection, current_encryption);
return BLE_ERROR_NONE;
/* only change if we're not already encrypted with mitm */
if (current_encryption != link_encryption_t::ENCRYPTED_WITH_MITM) {
cb->encryption_requested = true;
return enable_encryption(connection);
}
cb->encryption_requested = true;
return enable_encryption(connection);
} else if (encryption == link_encryption_t::ENCRYPTED_WITH_MITM) {
@ -409,6 +405,8 @@ ble_error_t GenericSecurityManager::setLinkEncryption(
return BLE_ERROR_INVALID_PARAM;
}
eventHandler->linkEncryptionResult(connection, current_encryption);
return BLE_ERROR_NONE;
}