btstack/src/gap.h
2014-02-06 12:56:08 +00:00

111 lines
3.6 KiB
C

/*
* Copyright (C) 2011-2012 BlueKitchen GmbH
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holders nor the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* 4. Any redistribution, use, or modification is done solely for
* personal benefit and not for any commercial purpose or for
* monetary gain.
*
* THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Please inquire about commercial licensing options at contact@bluekitchen-gmbh.com
*
*/
#ifndef __GAP_H
#define __GAP_H
#if defined __cplusplus
extern "C" {
#endif
typedef enum {
// MITM protection not required
// No encryption required
// No user interaction required
LEVEL_0 = 0,
// MITM protection not required
// No encryption required
// Minimal user interaction desired
LEVEL_1,
// MITM protection not required
// Encryption required
LEVEL_2,
// MITM protection required
// Encryption required
// User interaction acceptable
LEVEL_3,
// MITM protection required
// Encryption required
// 128-bit equivalent strength for link and encryption keys required (P-192 is not enough)
// User interaction acceptable
LEVEL_4,
} gap_security_level_t;
typedef enum {
GAP_SECURITY_NONE,
GAP_SECUIRTY_ENCRYPTED, // SSP: JUST WORKS
GAP_SECURITY_AUTHENTICATED, // SSP: numeric comparison, passkey, OOB
// GAP_SECURITY_AUTHORIZED
} gap_security_state;
/**
* @bbrief enable/disable bonding. default is enabled
* @praram enabled
*/
void gap_set_bondable_mode(int enabled);
/**
* @brief start dedicated bonding with device. disconnect after bonding
* @param device
* @param request MITM protection
* @returns error, if max num acl connections active
* @result GAP_DEDICATED_BONDING_COMPLETE
*/
int gap_dedicated_bonding(bd_addr_t device, int mitm_protection_required);
gap_security_level_t gap_security_level_for_link_key_type(link_key_type_t link_key_type);
gap_security_level_t gap_security_level(hci_con_handle_t con_handle);
void gap_request_security_level(hci_con_handle_t con_handle, gap_security_level_t level);
int gap_mitm_protection_required_for_security_level(gap_security_level_t level);
/** @brief sets local name
* @note has to be done before stack starts up
* @param name is not copied, make sure memory is accessible during stack startup
*/
void gap_set_local_name(const char * local_name);
#if defined __cplusplus
}
#endif
#endif // __GAP_H