| /* |
| * Copyright (c) 2017 The Linux Foundation. All rights reserved. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #include <wma.h> |
| #include <csrApi.h> |
| #include <limGlobal.h> |
| #include <aniGlobal.h> |
| #include <limSerDesUtils.h> |
| |
| #ifdef WLAN_FEATURE_FILS_SK |
| |
| /** |
| * lim_process_fils_auth_frame2()- This API processes fils data from auth resp |
| * @mac_ctx: mac context |
| * @session: PE session |
| * @rx_auth_frm_body: pointer to auth frame |
| * |
| * Return: true if fils data needs to be processed else false |
| */ |
| bool lim_process_fils_auth_frame2(tpAniSirGlobal mac_ctx, |
| tpPESession pe_session, |
| tSirMacAuthFrameBody * rx_auth_frm_body); |
| |
| /** |
| * lim_add_fils_data_to_auth_frame()- This API adds fils data to auth frame. |
| * Following will be added in this. |
| * 1. RSNIE |
| * 2. SNonce |
| * 3. Session |
| * 4. Wrapped data |
| * @session: PE session |
| * @body: pointer to auth frame where data needs to be added |
| * |
| * Return: None |
| */ |
| void lim_add_fils_data_to_auth_frame(tpPESession session, uint8_t *body); |
| |
| /** |
| * lim_is_valid_fils_auth_frame()- This API checks whether auth frame is a |
| * valid frame. |
| * @mac_ctx: mac context |
| * @pe_session: pe session pointer |
| * @rx_auth_frm_body: pointer to autherntication frame |
| * |
| * Return: true if frame is valid or fils is disable, false otherwise |
| */ |
| bool lim_is_valid_fils_auth_frame(tpAniSirGlobal mac_ctx, |
| tpPESession pe_session, tSirMacAuthFrameBody *rx_auth_frm_body); |
| |
| /** |
| * lim_update_fils_config()- This API updates fils session info to csr config |
| * from join request. |
| * @session: PE session |
| * @sme_join_req: pointer to join request |
| * |
| * Return: None |
| */ |
| void lim_update_fils_config(tpPESession session, tpSirSmeJoinReq sme_join_req); |
| |
| /** |
| * lim_create_fils_auth_data()- This API creates the fils auth data |
| * which needs to be sent in auth req. |
| * @mac_ctx: mac context |
| * @auth_frame: pointer to auth frame |
| * @session: PE session |
| * |
| * Return: length of fils data |
| */ |
| uint32_t lim_create_fils_auth_data(tpAniSirGlobal mac_ctx, |
| tpSirMacAuthFrameBody auth_frame, tpPESession session); |
| |
| /** |
| * lim_increase_fils_sequence_number: this API increases fils sequence number in |
| * the event of resending auth packet |
| * @session_entry: pointer to PE session |
| * |
| * Return: None |
| */ |
| static inline void lim_increase_fils_sequence_number(tpPESession session_entry) |
| { |
| if (session_entry->fils_info->is_fils_connection) |
| session_entry->fils_info->sequence_number++; |
| } |
| |
| /** |
| * populate_fils_connect_params() - Populate FILS connect params to join rsp |
| * @mac_ctx: Mac context |
| * @session: PE session |
| * @sme_join_rsp: SME join rsp |
| * |
| * This API copies the FILS connect params from PE session to SME join rsp |
| * |
| * Return: None |
| */ |
| void populate_fils_connect_params(tpAniSirGlobal mac_ctx, |
| tpPESession session, |
| tpSirSmeJoinRsp sme_join_rsp); |
| |
| /** |
| * aead_encrypt_assoc_req() - Encrypt FILS IE's in assoc request |
| * @mac_ctx: mac context |
| * @pe_session: PE session |
| * @frame: packed frame buffer |
| * @payload: length of @frame |
| * |
| * This API is used to encrypt the all the IE present after FILS session IE |
| * in Association request frame |
| * |
| * Return: VOS_STATUS |
| */ |
| VOS_STATUS aead_encrypt_assoc_req(tpAniSirGlobal mac_ctx, |
| tpPESession pe_session, |
| uint8_t *frame, uint32_t *payload); |
| |
| /** |
| * aead_decrypt_assoc_rsp() - API for AEAD decryption in FILS connection |
| * @mac_ctx: MAC context |
| * @session: PE session |
| * @ar: Assoc response frame structure |
| * @p_frame: frame buffer received |
| * @n_frame: length of @p_frame |
| * |
| * This API is used to decrypt the AEAD encrypted part of FILS assoc response |
| * and populate the decrypted FILS IE's to Assoc response frame structure(ar) |
| * |
| * Return: VOS_STATUS |
| */ |
| VOS_STATUS aead_decrypt_assoc_rsp(tpAniSirGlobal mac_ctx, |
| tpPESession session, |
| tDot11fAssocResponse *ar, |
| uint8_t *p_frame, uint32_t *n_frame); |
| /** |
| * lim_is_fils_connection() - Check if it is FILS connection |
| * @pe_session: PE session |
| * |
| * This API is used to check if current PE session is FILS connection |
| * |
| * Return: True if FILS connection, false if not |
| */ |
| static inline bool lim_is_fils_connection(tpPESession pe_session) |
| { |
| |
| if (!pe_session->fils_info) |
| return false; |
| |
| if (pe_session->fils_info->is_fils_connection) |
| return true; |
| return false; |
| } |
| |
| /** |
| * lim_verify_fils_params_assoc_rsp() - Verify FILS params in assoc rsp |
| * @mac_ctx: Mac context |
| * @session_entry: PE session |
| * @assoc_rsp: Assoc response received |
| * @assoc_cnf: Assoc cnf msg to be sent to MLME |
| * |
| * This API is used to match FILS params received in Assoc response |
| * with Assoc params received/derived at the Authentication stage |
| * |
| * Return: True, if successfully matches. False, otherwise |
| */ |
| bool lim_verify_fils_params_assoc_rsp(tpAniSirGlobal mac_ctx, |
| tpPESession session_entry, |
| tpSirAssocRsp assoc_rsp, |
| tLimMlmAssocCnf *assoc_cnf); |
| #else |
| static inline bool lim_process_fils_auth_frame2(tpAniSirGlobal mac_ctx, |
| tpPESession pe_session, tSirMacAuthFrameBody *rx_auth_frm_body) |
| { |
| return false; |
| } |
| |
| static inline void |
| lim_increase_fils_sequence_number(tpPESession session_entry) |
| { } |
| |
| static inline void |
| lim_add_fils_data_to_auth_frame(tpPESession session, uint8_t *body) |
| { |
| } |
| |
| static inline bool lim_is_valid_fils_auth_frame(tpAniSirGlobal mac_ctx, |
| tpPESession pe_session, tSirMacAuthFrameBody *rx_auth_frm_body) |
| { |
| return true; |
| } |
| |
| static inline void |
| lim_update_fils_config(tpPESession session, tpSirSmeJoinReq sme_join_req) |
| { } |
| |
| static inline uint32_t lim_create_fils_auth_data(tpAniSirGlobal mac_ctx, |
| tpSirMacAuthFrameBody auth_frame, tpPESession session) |
| { |
| return 0; |
| } |
| |
| static inline bool lim_is_fils_connection(tpPESession pe_session) |
| { |
| return false; |
| } |
| |
| static inline void populate_fils_connect_params(tpAniSirGlobal mac_ctx, |
| tpPESession session, |
| tpSirSmeJoinRsp sme_join_rsp) |
| { } |
| |
| static inline VOS_STATUS aead_encrypt_assoc_req(tpAniSirGlobal mac_ctx, |
| tpPESession pe_session, |
| uint8_t *frame, |
| uint32_t *payload) |
| { |
| return VOS_STATUS_SUCCESS; |
| } |
| |
| static inline VOS_STATUS aead_decrypt_assoc_rsp(tpAniSirGlobal mac_ctx, |
| tpPESession session, |
| tDot11fAssocResponse *ar, |
| uint8_t *p_frame, uint32_t *n_frame) |
| { |
| return VOS_STATUS_SUCCESS; |
| } |
| |
| static inline bool lim_verify_fils_params_assoc_rsp(tpAniSirGlobal mac_ctx, |
| tpPESession session_entry, |
| tpSirAssocRsp assoc_rsp, |
| tLimMlmAssocCnf *assoc_cnf) |
| |
| { |
| return true; |
| } |
| #endif |
