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fix encryption key size lookup

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matthias.ringwald@gmail.com 2014-01-07 10:41:34 +00:00
parent f30cb1ae00
commit 8c0b356c3e
1 changed files with 6 additions and 4 deletions
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10
ble/att.c
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@ -258,19 +258,21 @@ static inline uint16_t setup_error_invalid_offset(uint8_t * response_buffer, uin
}
static uint8_t att_validate_security(att_connection_t * att_connection, att_iterator_t * it){
int required_encryption_size = it->flags >> 12;
printf("att_validate_security. flags 0x%04x - req enc size %u, authorized %u, authenticated %u, encryption_key_size %u\n",
it->flags, required_encryption_size, att_connection->authorized, att_connection->authenticated, att_connection->encryption_key_size);
if ((it->flags & ATT_PROPERTY_AUTHORIZATION_REQUIRED) && att_connection->authorized == 0) {
return ATT_ERROR_INSUFFICIENT_AUTHORIZATION;
}
if ((it->flags & ATT_PROPERTY_AUTHENTICATION_REQUIRED) && att_connection->authenticated == 0) {
return ATT_ERROR_INSUFFICIENT_AUTHENTICATION;
}
int required_encryption_size = it->flags >> 24;
if (required_encryption_size > att_connection->encryption_key_size){
return ATT_ERROR_INSUFFICIENT_ENCRYPTION_KEY_SIZE;
}
if (required_encryption_size > 0 && att_connection->encryption_key_size == 0){
return ATT_ERROR_INSUFFICIENT_ENCRYPTION;
}
if (required_encryption_size > att_connection->encryption_key_size){
return ATT_ERROR_INSUFFICIENT_ENCRYPTION_KEY_SIZE;
}
return 0;
}