mirror of
https://github.com/espressif/esp-idf.git
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supplicant/esp_wifi: move supplicant to idf
Move supplicant to idf and do following refactoring: 1. Make the folder structure consitent with supplicant upstream 2. Remove duplicated header files and minimize the public header files 3. Refactor for WiFi/supplicant interfaces
This commit is contained in:
Deng Xin
1975
components/wpa_supplicant/src/rsn_supp/wpa.c
Normal file
1975
components/wpa_supplicant/src/rsn_supp/wpa.c
Normal file
File diff suppressed because it is too large
Load Diff
125
components/wpa_supplicant/src/rsn_supp/wpa.h
Normal file
125
components/wpa_supplicant/src/rsn_supp/wpa.h
Normal file
@@ -0,0 +1,125 @@
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/*
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* wpa_supplicant - WPA definitions
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* Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*/
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#ifndef WPA_H
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#define WPA_H
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#include "esp32/rom/ets_sys.h"
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#include "utils/common.h"
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#include "common/defs.h"
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#include "common/wpa_common.h"
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#include "esp_wifi_crypto_types.h"
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#include "wpa_i.h"
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#define WPA_SM_STATE(_sm) ((_sm)->wpa_state)
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struct wpa_sm;
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int wpa_sm_rx_eapol(u8 *src_addr, u8 *buf, u32 len);
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bool wpa_sta_in_4way_handshake(void);
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#define WPA_ASSERT assert
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struct l2_ethhdr {
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u8 h_dest[ETH_ALEN];
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u8 h_source[ETH_ALEN];
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be16 h_proto;
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} STRUCT_PACKED;
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/**
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* set_key - Configure encryption key
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* @ifname: Interface name (for multi-SSID/VLAN support)
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* @priv: private driver interface data
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* @alg: encryption algorithm (%WPA_ALG_NONE, %WPA_ALG_WEP,
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* %WPA_ALG_TKIP, %WPA_ALG_CCMP, %WPA_ALG_IGTK, %WPA_ALG_PMK);
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* %WPA_ALG_NONE clears the key.
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* @addr: address of the peer STA or ff:ff:ff:ff:ff:ff for
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* broadcast/default keys
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* @key_idx: key index (0..3), usually 0 for unicast keys; 0..4095 for
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* IGTK
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* @set_tx: configure this key as the default Tx key (only used when
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* driver does not support separate unicast/individual key
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* @seq: sequence number/packet number, seq_len octets, the next
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* packet number to be used for in replay protection; configured
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* for Rx keys (in most cases, this is only used with broadcast
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* keys and set to zero for unicast keys)
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* @seq_len: length of the seq, depends on the algorithm:
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* TKIP: 6 octets, CCMP: 6 octets, IGTK: 6 octets
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* @key: key buffer; TKIP: 16-byte temporal key, 8-byte Tx Mic key,
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* 8-byte Rx Mic Key
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* @key_len: length of the key buffer in octets (WEP: 5 or 13,
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* TKIP: 32, CCMP: 16, IGTK: 16)
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*
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* Returns: 0 on success, -1 on failure
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*
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* Configure the given key for the kernel driver. If the driver
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* supports separate individual keys (4 default keys + 1 individual),
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* addr can be used to determine whether the key is default or
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* individual. If only 4 keys are supported, the default key with key
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* index 0 is used as the individual key. STA must be configured to use
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* it as the default Tx key (set_tx is set) and accept Rx for all the
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* key indexes. In most cases, WPA uses only key indexes 1 and 2 for
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* broadcast keys, so key index 0 is available for this kind of
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* configuration.
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*
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* Please note that TKIP keys include separate TX and RX MIC keys and
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* some drivers may expect them in different order than wpa_supplicant
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* is using. If the TX/RX keys are swapped, all TKIP encrypted packets
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* will tricker Michael MIC errors. This can be fixed by changing the
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* order of MIC keys by swapping te bytes 16..23 and 24..31 of the key
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* in driver_*.c set_key() implementation, see driver_ndis.c for an
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* example on how this can be done.
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*/
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/**
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* send_eapol - Optional function for sending EAPOL packets
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* @priv: private driver interface data
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* @dest: Destination MAC address
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* @proto: Ethertype
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* @data: EAPOL packet starting with IEEE 802.1X header
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* @data_len: Size of the EAPOL packet
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*
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* Returns: 0 on success, -1 on failure
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*
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* This optional function can be used to override l2_packet operations
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* with driver specific functionality. If this function pointer is set,
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* l2_packet module is not used at all and the driver interface code is
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* responsible for receiving and sending all EAPOL packets. The
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* received EAPOL packets are sent to core code with EVENT_EAPOL_RX
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* event. The driver interface is required to implement get_mac_addr()
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* handler if send_eapol() is used.
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*/
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#define KEYENTRY_TABLE_MAP(key_entry_valid) ((key_entry_valid)%5)
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void pp_michael_mic_failure(u16 isunicast);
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void wpa_sm_set_state(enum wpa_states state);
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char * dup_binstr(const void *src, size_t len);
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void wpa_set_pmk(uint8_t *pmk);
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int wpa_hook_init(void);
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bool wpa_hook_deinit(void);
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char * dup_binstr(const void *src, size_t len);
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int wpa_michael_mic_failure(u16 isunicast);
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#endif /* WPA_H */
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165
components/wpa_supplicant/src/rsn_supp/wpa_i.h
Normal file
165
components/wpa_supplicant/src/rsn_supp/wpa_i.h
Normal file
@@ -0,0 +1,165 @@
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/*
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* Internal WPA/RSN supplicant state machine definitions
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* Copyright (c) 2004-2010, Jouni Malinen <j@w1.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
|
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* license.
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*
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* See README and COPYING for more details.
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*/
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#ifndef WPA_I_H
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#define WPA_I_H
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struct install_key {
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int mic_errors_seen; /* Michael MIC errors with the current PTK */
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int keys_cleared;
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enum wpa_alg alg;
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u8 addr[ETH_ALEN];
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int key_idx;
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int set_tx;
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u8 seq[10];
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u8 key[32];
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};
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/**
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* struct wpa_sm - Internal WPA state machine data
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*/
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struct wpa_sm {
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u8 pmk[PMK_LEN];
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size_t pmk_len;
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struct wpa_ptk ptk, tptk;
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int ptk_set, tptk_set;
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u8 snonce[WPA_NONCE_LEN];
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u8 anonce[WPA_NONCE_LEN]; /* ANonce from the last 1/4 msg */
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int renew_snonce;
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u8 rx_replay_counter[WPA_REPLAY_COUNTER_LEN];
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int rx_replay_counter_set;
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u8 request_counter[WPA_REPLAY_COUNTER_LEN];
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unsigned int pairwise_cipher;
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unsigned int group_cipher;
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unsigned int key_mgmt;
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unsigned int mgmt_group_cipher;
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int rsn_enabled; /* Whether RSN is enabled in configuration */
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int countermeasures; /*TKIP countermeasures state flag, 1:in countermeasures state*/
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ETSTimer cm_timer;
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u8 *assoc_wpa_ie; /* Own WPA/RSN IE from (Re)AssocReq */
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size_t assoc_wpa_ie_len;
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u8 eapol_version;
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int wpa_ptk_rekey;
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u8 own_addr[ETH_ALEN];
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u8 bssid[ETH_ALEN];
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unsigned int proto;
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enum wpa_states wpa_state;
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u8 *ap_wpa_ie, *ap_rsn_ie;
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size_t ap_wpa_ie_len, ap_rsn_ie_len;
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bool key_install;
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struct install_key install_ptk;
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struct install_key install_gtk;
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int key_entry_valid; //present current avaliable entry for bssid, for pairkey:0,5,10,15,20, gtk: pairkey_no+i (i:1~4)
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void (* sendto) (void *buffer, uint16_t len);
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void (*config_assoc_ie) (u8 proto, u8 *assoc_buf, u32 assoc_wpa_ie_len);
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void (*install_ppkey) (enum wpa_alg alg, u8 *addr, int key_idx, int set_tx,
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u8 *seq, unsigned int seq_len, u8 *key, unsigned int key_len, int key_entry_valid);
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int (*get_ppkey) (uint8_t *ifx, int *alg, uint8_t *addr, int *key_idx,
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uint8_t *key, size_t key_len, int key_entry_valid);
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void (*wpa_deauthenticate)(u8 reason_code);
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void (*wpa_neg_complete)();
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struct wpa_gtk_data gd; //used for calllback save param
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u16 key_info; //used for txcallback param
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u16 txcb_flags;
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bool ap_notify_completed_rsne;
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};
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/**
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* set_key - Configure encryption key
|
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* @ifname: Interface name (for multi-SSID/VLAN support)
|
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* @priv: private driver interface data
|
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* @alg: encryption algorithm (%WPA_ALG_NONE, %WPA_ALG_WEP,
|
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* %WPA_ALG_TKIP, %WPA_ALG_CCMP, %WPA_ALG_IGTK, %WPA_ALG_PMK);
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* %WPA_ALG_NONE clears the key.
|
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* @addr: address of the peer STA or ff:ff:ff:ff:ff:ff for
|
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* broadcast/default keys
|
||||
* @key_idx: key index (0..3), usually 0 for unicast keys; 0..4095 for
|
||||
* IGTK
|
||||
* @set_tx: configure this key as the default Tx key (only used when
|
||||
* driver does not support separate unicast/individual key
|
||||
* @seq: sequence number/packet number, seq_len octets, the next
|
||||
* packet number to be used for in replay protection; configured
|
||||
* for Rx keys (in most cases, this is only used with broadcast
|
||||
* keys and set to zero for unicast keys)
|
||||
* @seq_len: length of the seq, depends on the algorithm:
|
||||
* TKIP: 6 octets, CCMP: 6 octets, IGTK: 6 octets
|
||||
* @key: key buffer; TKIP: 16-byte temporal key, 8-byte Tx Mic key,
|
||||
* 8-byte Rx Mic Key
|
||||
* @key_len: length of the key buffer in octets (WEP: 5 or 13,
|
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* TKIP: 32, CCMP: 16, IGTK: 16)
|
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*
|
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* Returns: 0 on success, -1 on failure
|
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*
|
||||
* Configure the given key for the kernel driver. If the driver
|
||||
* supports separate individual keys (4 default keys + 1 individual),
|
||||
* addr can be used to determine whether the key is default or
|
||||
* individual. If only 4 keys are supported, the default key with key
|
||||
* index 0 is used as the individual key. STA must be configured to use
|
||||
* it as the default Tx key (set_tx is set) and accept Rx for all the
|
||||
* key indexes. In most cases, WPA uses only key indexes 1 and 2 for
|
||||
* broadcast keys, so key index 0 is available for this kind of
|
||||
* configuration.
|
||||
*
|
||||
* Please note that TKIP keys include separate TX and RX MIC keys and
|
||||
* some drivers may expect them in different order than wpa_supplicant
|
||||
* is using. If the TX/RX keys are swapped, all TKIP encrypted packets
|
||||
* will tricker Michael MIC errors. This can be fixed by changing the
|
||||
* order of MIC keys by swapping te bytes 16..23 and 24..31 of the key
|
||||
* in driver_*.c set_key() implementation, see driver_ndis.c for an
|
||||
* example on how this can be done.
|
||||
*/
|
||||
|
||||
|
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typedef void (* WPA_SEND_FUNC)(void *buffer, u16 len);
|
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|
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typedef void (* WPA_SET_ASSOC_IE)(u8 proto, u8 *assoc_buf, u32 assoc_wpa_ie_len);
|
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|
||||
typedef void (*WPA_INSTALL_KEY) (enum wpa_alg alg, u8 *addr, int key_idx, int set_tx,
|
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u8 *seq, size_t seq_len, u8 *key, size_t key_len, int key_entry_valid);
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typedef int (*WPA_GET_KEY) (u8 *ifx, int *alg, u8 *addt, int *keyidx, u8 *key, size_t key_len, int key_entry_valid);
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typedef void (*WPA_DEAUTH_FUNC)(u8 reason_code);
|
||||
|
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typedef void (*WPA_NEG_COMPLETE)();
|
||||
|
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void wpa_register(char * payload, WPA_SEND_FUNC snd_func, \
|
||||
WPA_SET_ASSOC_IE set_assoc_ie_func, \
|
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WPA_INSTALL_KEY ppinstallkey, \
|
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WPA_GET_KEY ppgetkey, \
|
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WPA_DEAUTH_FUNC wpa_deauth, \
|
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WPA_NEG_COMPLETE wpa_neg_complete);
|
||||
|
||||
void eapol_txcb(void *eb);
|
||||
|
||||
void wpa_set_profile(u32 wpa_proto, u8 auth_mode);
|
||||
|
||||
void wpa_set_bss(char *macddr, char * bssid, u8 pairwise_cipher, u8 group_cipher, char *passphrase, u8 *ssid, size_t ssid_len);
|
||||
|
||||
int wpa_sm_rx_eapol(u8 *src_addr, u8 *buf, u32 len);
|
||||
#endif /* WPA_I_H */
|
||||
|
||||
371
components/wpa_supplicant/src/rsn_supp/wpa_ie.c
Normal file
371
components/wpa_supplicant/src/rsn_supp/wpa_ie.c
Normal file
@@ -0,0 +1,371 @@
|
||||
/*
|
||||
* wpa_supplicant - WPA/RSN IE and KDE processing
|
||||
* Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* Alternatively, this software may be distributed under the terms of BSD
|
||||
* license.
|
||||
*
|
||||
* See README and COPYING for more details.
|
||||
*/
|
||||
#ifdef ESP_SUPPLICANT
|
||||
|
||||
#include "utils/includes.h"
|
||||
|
||||
#include "utils/common.h"
|
||||
#include "rsn_supp/wpa.h"
|
||||
#include "common/ieee802_11_defs.h"
|
||||
#include "rsn_supp/wpa_ie.h"
|
||||
|
||||
/**
|
||||
* wpa_parse_wpa_ie - Parse WPA/RSN IE
|
||||
* @wpa_ie: Pointer to WPA or RSN IE
|
||||
* @wpa_ie_len: Length of the WPA/RSN IE
|
||||
* @data: Pointer to data area for parsing results
|
||||
* Returns: 0 on success, -1 on failure
|
||||
*
|
||||
* Parse the contents of WPA or RSN IE and write the parsed data into data.
|
||||
*/
|
||||
int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
|
||||
struct wpa_ie_data *data)
|
||||
{
|
||||
if (wpa_ie_len >= 1 && wpa_ie[0] == WLAN_EID_RSN)
|
||||
return wpa_parse_wpa_ie_rsn(wpa_ie, wpa_ie_len, data);
|
||||
else
|
||||
return wpa_parse_wpa_ie_wpa(wpa_ie, wpa_ie_len, data);
|
||||
}
|
||||
|
||||
/**
|
||||
* wpa_parse_generic - Parse EAPOL-Key Key Data Generic IEs
|
||||
* @pos: Pointer to the IE header
|
||||
* @end: Pointer to the end of the Key Data buffer
|
||||
* @ie: Pointer to parsed IE data
|
||||
* Returns: 0 on success, 1 if end mark is found, -1 on failure
|
||||
*/
|
||||
static int wpa_parse_generic(const u8 *pos, const u8 *end,
|
||||
struct wpa_eapol_ie_parse *ie)
|
||||
{
|
||||
if (pos[1] == 0)
|
||||
return 1;
|
||||
|
||||
if (pos[1] >= 6 &&
|
||||
RSN_SELECTOR_GET(pos + 2) == WPA_OUI_TYPE &&
|
||||
pos[2 + WPA_SELECTOR_LEN] == 1 &&
|
||||
pos[2 + WPA_SELECTOR_LEN + 1] == 0) {
|
||||
ie->wpa_ie = pos;
|
||||
ie->wpa_ie_len = pos[1] + 2;
|
||||
wpa_hexdump(MSG_DEBUG, "WPA: WPA IE in EAPOL-Key",
|
||||
ie->wpa_ie, ie->wpa_ie_len);
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (pos + 1 + RSN_SELECTOR_LEN < end &&
|
||||
pos[1] >= RSN_SELECTOR_LEN + PMKID_LEN &&
|
||||
RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_PMKID) {
|
||||
ie->pmkid = pos + 2 + RSN_SELECTOR_LEN;
|
||||
wpa_hexdump(MSG_DEBUG, "WPA: PMKID in EAPOL-Key",
|
||||
pos, pos[1] + 2);
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (pos[1] > RSN_SELECTOR_LEN + 2 &&
|
||||
RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_GROUPKEY) {
|
||||
ie->gtk = pos + 2 + RSN_SELECTOR_LEN;
|
||||
ie->gtk_len = pos[1] - RSN_SELECTOR_LEN;
|
||||
wpa_hexdump(MSG_DEBUG, "WPA: GTK in EAPOL-Key",
|
||||
pos, pos[1] + 2);
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (pos[1] > RSN_SELECTOR_LEN + 2 &&
|
||||
RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_MAC_ADDR) {
|
||||
ie->mac_addr = pos + 2 + RSN_SELECTOR_LEN;
|
||||
ie->mac_addr_len = pos[1] - RSN_SELECTOR_LEN;
|
||||
wpa_hexdump(MSG_DEBUG, "WPA: MAC Address in EAPOL-Key",
|
||||
pos, pos[1] + 2);
|
||||
return 0;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* wpa_supplicant_parse_ies - Parse EAPOL-Key Key Data IEs
|
||||
* @buf: Pointer to the Key Data buffer
|
||||
* @len: Key Data Length
|
||||
* @ie: Pointer to parsed IE data
|
||||
* Returns: 0 on success, -1 on failure
|
||||
*/
|
||||
int wpa_supplicant_parse_ies(const u8 *buf, size_t len,
|
||||
struct wpa_eapol_ie_parse *ie)
|
||||
{
|
||||
const u8 *pos, *end;
|
||||
int ret = 0;
|
||||
|
||||
memset(ie, 0, sizeof(*ie));
|
||||
for (pos = buf, end = pos + len; pos + 1 < end; pos += 2 + pos[1]) {
|
||||
if (pos[0] == 0xdd &&
|
||||
((pos == buf + len - 1) || pos[1] == 0)) {
|
||||
/* Ignore padding */
|
||||
break;
|
||||
}
|
||||
if (pos + 2 + pos[1] > end) {
|
||||
#ifdef DEBUG_PRINT
|
||||
wpa_printf(MSG_DEBUG, "WPA: EAPOL-Key Key Data "
|
||||
"underflow (ie=%d len=%d pos=%d)",
|
||||
pos[0], pos[1], (int) (pos - buf));
|
||||
#endif
|
||||
wpa_hexdump(MSG_DEBUG, "WPA: Key Data",
|
||||
buf, len);
|
||||
ret = -1;
|
||||
break;
|
||||
}
|
||||
if (*pos == WLAN_EID_RSN) {
|
||||
ie->rsn_ie = pos;
|
||||
ie->rsn_ie_len = pos[1] + 2;
|
||||
wpa_hexdump(MSG_DEBUG, "WPA: RSN IE in EAPOL-Key",
|
||||
ie->rsn_ie, ie->rsn_ie_len);
|
||||
} else if (*pos == WLAN_EID_VENDOR_SPECIFIC) {
|
||||
ret = wpa_parse_generic(pos, end, ie);
|
||||
if (ret < 0)
|
||||
break;
|
||||
if (ret > 0) {
|
||||
ret = 0;
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
wpa_hexdump(MSG_DEBUG, "WPA: Unrecognized EAPOL-Key "
|
||||
"Key Data IE", pos, 2 + pos[1]);
|
||||
}
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
static int wpa_gen_wpa_ie_wpa(u8 *wpa_ie, size_t wpa_ie_len,
|
||||
int pairwise_cipher, int group_cipher,
|
||||
int key_mgmt)
|
||||
{
|
||||
u8 *pos;
|
||||
struct wpa_ie_hdr *hdr;
|
||||
|
||||
if (wpa_ie_len < sizeof(*hdr) + WPA_SELECTOR_LEN +
|
||||
2 + WPA_SELECTOR_LEN + 2 + WPA_SELECTOR_LEN)
|
||||
return -1;
|
||||
|
||||
hdr = (struct wpa_ie_hdr *) wpa_ie;
|
||||
hdr->elem_id = WLAN_EID_VENDOR_SPECIFIC;
|
||||
RSN_SELECTOR_PUT(hdr->oui, WPA_OUI_TYPE);
|
||||
WPA_PUT_LE16(hdr->version, WPA_VERSION);
|
||||
pos = (u8 *) (hdr + 1);
|
||||
|
||||
if (group_cipher == WPA_CIPHER_CCMP) {
|
||||
RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_CCMP);
|
||||
} else if (group_cipher == WPA_CIPHER_TKIP) {
|
||||
RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_TKIP);
|
||||
} else if (group_cipher == WPA_CIPHER_WEP104) {
|
||||
RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_WEP104);
|
||||
} else if (group_cipher == WPA_CIPHER_WEP40) {
|
||||
RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_WEP40);
|
||||
} else {
|
||||
wpa_printf(MSG_DEBUG, "Invalid group cipher (%d).",
|
||||
group_cipher);
|
||||
return -1;
|
||||
}
|
||||
pos += WPA_SELECTOR_LEN;
|
||||
|
||||
*pos++ = 1;
|
||||
*pos++ = 0;
|
||||
if (pairwise_cipher == WPA_CIPHER_CCMP) {
|
||||
RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_CCMP);
|
||||
} else if (pairwise_cipher == WPA_CIPHER_TKIP) {
|
||||
RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_TKIP);
|
||||
} else if (pairwise_cipher == WPA_CIPHER_NONE) {
|
||||
RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_NONE);
|
||||
} else {
|
||||
wpa_printf(MSG_DEBUG, "Invalid pairwise cipher (%d).",
|
||||
pairwise_cipher);
|
||||
return -1;
|
||||
}
|
||||
pos += WPA_SELECTOR_LEN;
|
||||
|
||||
*pos++ = 1;
|
||||
*pos++ = 0;
|
||||
if (key_mgmt == WPA_KEY_MGMT_IEEE8021X) {
|
||||
RSN_SELECTOR_PUT(pos, WPA_AUTH_KEY_MGMT_UNSPEC_802_1X);
|
||||
} else if (key_mgmt == WPA_KEY_MGMT_PSK) {
|
||||
RSN_SELECTOR_PUT(pos, WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X);
|
||||
} else if (key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
|
||||
RSN_SELECTOR_PUT(pos, WPA_AUTH_KEY_MGMT_NONE);
|
||||
} else {
|
||||
wpa_printf(MSG_DEBUG, "Invalid key management type (%d).",
|
||||
key_mgmt);
|
||||
return -1;
|
||||
}
|
||||
pos += WPA_SELECTOR_LEN;
|
||||
|
||||
/* WPA Capabilities; use defaults, so no need to include it */
|
||||
|
||||
hdr->len = (pos - wpa_ie) - 2;
|
||||
|
||||
WPA_ASSERT((size_t) (pos - wpa_ie) <= wpa_ie_len);
|
||||
|
||||
return pos - wpa_ie;
|
||||
}
|
||||
|
||||
|
||||
static int wpa_gen_wpa_ie_rsn(u8 *rsn_ie, size_t rsn_ie_len,
|
||||
int pairwise_cipher, int group_cipher,
|
||||
int key_mgmt, int mgmt_group_cipher,
|
||||
struct wpa_sm *sm)
|
||||
{
|
||||
#ifndef CONFIG_NO_WPA2
|
||||
u8 *pos;
|
||||
struct rsn_ie_hdr *hdr;
|
||||
u16 capab;
|
||||
u8 min_len = 0;
|
||||
|
||||
|
||||
/* For WPA2-PSK, if the RSNE in AP beacon/probe response doesn't specify the
|
||||
* pairwise cipher or AKM suite, the RSNE IE in association request
|
||||
* should only contain group cihpher suite, otherwise the WPA2 improvements
|
||||
* certification will fail.
|
||||
*/
|
||||
if ( (sm->ap_notify_completed_rsne == true) || (key_mgmt == WPA_KEY_MGMT_IEEE8021X) ) {
|
||||
min_len = sizeof(*hdr) + RSN_SELECTOR_LEN + 2 + RSN_SELECTOR_LEN + 2 + RSN_SELECTOR_LEN + 2;
|
||||
} else {
|
||||
min_len = sizeof(*hdr) + RSN_SELECTOR_LEN;
|
||||
}
|
||||
|
||||
if (rsn_ie_len < min_len) {
|
||||
wpa_printf(MSG_DEBUG, "RSN: Too short IE buffer (%lu bytes)", (unsigned long) rsn_ie_len);
|
||||
}
|
||||
|
||||
hdr = (struct rsn_ie_hdr *) rsn_ie;
|
||||
hdr->elem_id = WLAN_EID_RSN;
|
||||
WPA_PUT_LE16(hdr->version, RSN_VERSION);
|
||||
pos = (u8 *) (hdr + 1);
|
||||
|
||||
if (group_cipher == WPA_CIPHER_CCMP) {
|
||||
RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_CCMP);
|
||||
} else if (group_cipher == WPA_CIPHER_TKIP) {
|
||||
RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_TKIP);
|
||||
} else if (group_cipher == WPA_CIPHER_WEP104) {
|
||||
RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_WEP104);
|
||||
} else if (group_cipher == WPA_CIPHER_WEP40) {
|
||||
RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_WEP40);
|
||||
} else {
|
||||
wpa_printf(MSG_DEBUG, "Invalid group cipher (%d).",
|
||||
group_cipher);
|
||||
return -1;
|
||||
}
|
||||
pos += RSN_SELECTOR_LEN;
|
||||
|
||||
if ( (sm->ap_notify_completed_rsne == false) && (key_mgmt != WPA_KEY_MGMT_IEEE8021X) ) {
|
||||
hdr->len = (pos - rsn_ie) - 2;
|
||||
return (pos - rsn_ie);
|
||||
}
|
||||
|
||||
*pos++ = 1;
|
||||
*pos++ = 0;
|
||||
if (pairwise_cipher == WPA_CIPHER_CCMP) {
|
||||
RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_CCMP);
|
||||
} else if (pairwise_cipher == WPA_CIPHER_TKIP) {
|
||||
RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_TKIP);
|
||||
} else if (pairwise_cipher == WPA_CIPHER_NONE) {
|
||||
RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_NONE);
|
||||
} else {
|
||||
wpa_printf(MSG_DEBUG, "Invalid pairwise cipher (%d).",
|
||||
pairwise_cipher);
|
||||
return -1;
|
||||
}
|
||||
pos += RSN_SELECTOR_LEN;
|
||||
|
||||
*pos++ = 1;
|
||||
*pos++ = 0;
|
||||
if (key_mgmt == WPA_KEY_MGMT_IEEE8021X) {
|
||||
RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_UNSPEC_802_1X);
|
||||
} else if (key_mgmt == WPA_KEY_MGMT_PSK) {
|
||||
RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X);
|
||||
#ifdef CONFIG_IEEE80211R
|
||||
} else if (key_mgmt == WPA_KEY_MGMT_FT_IEEE8021X) {
|
||||
RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_802_1X);
|
||||
} else if (key_mgmt == WPA_KEY_MGMT_FT_PSK) {
|
||||
RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_PSK);
|
||||
#endif /* CONFIG_IEEE80211R */
|
||||
#ifdef CONFIG_IEEE80211W
|
||||
} else if (key_mgmt == WPA_KEY_MGMT_IEEE8021X_SHA256) {
|
||||
RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_802_1X_SHA256);
|
||||
} else if (key_mgmt == WPA_KEY_MGMT_PSK_SHA256) {
|
||||
RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_PSK_SHA256);
|
||||
#endif /* CONFIG_IEEE80211W */
|
||||
} else {
|
||||
wpa_printf(MSG_DEBUG, "Invalid key management type (%d).",
|
||||
key_mgmt);
|
||||
return -1;
|
||||
}
|
||||
pos += RSN_SELECTOR_LEN;
|
||||
|
||||
/* RSN Capabilities */
|
||||
capab = 0;
|
||||
#ifdef CONFIG_IEEE80211W
|
||||
if (sm->mfp)
|
||||
capab |= WPA_CAPABILITY_MFPC;
|
||||
if (sm->mfp == 2)
|
||||
capab |= WPA_CAPABILITY_MFPR;
|
||||
#endif /* CONFIG_IEEE80211W */
|
||||
WPA_PUT_LE16(pos, capab);
|
||||
pos += 2;
|
||||
|
||||
#ifdef CONFIG_IEEE80211W
|
||||
if (mgmt_group_cipher == WPA_CIPHER_AES_128_CMAC) {
|
||||
if (!sm->cur_pmksa) {
|
||||
/* PMKID Count */
|
||||
WPA_PUT_LE16(pos, 0);
|
||||
pos += 2;
|
||||
}
|
||||
|
||||
/* Management Group Cipher Suite */
|
||||
RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_AES_128_CMAC);
|
||||
pos += RSN_SELECTOR_LEN;
|
||||
}
|
||||
#endif /* CONFIG_IEEE80211W */
|
||||
|
||||
hdr->len = (pos - rsn_ie) - 2;
|
||||
|
||||
WPA_ASSERT((size_t) (pos - rsn_ie) <= rsn_ie_len);
|
||||
|
||||
return pos - rsn_ie;
|
||||
#else /* CONFIG_NO_WPA2 */
|
||||
return -1;
|
||||
#endif /* CONFIG_NO_WPA2 */
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* wpa_gen_wpa_ie - Generate WPA/RSN IE based on current security policy
|
||||
* @sm: Pointer to WPA state machine data from wpa_sm_init()
|
||||
* @wpa_ie: Pointer to memory area for the generated WPA/RSN IE
|
||||
* @wpa_ie_len: Maximum length of the generated WPA/RSN IE
|
||||
* Returns: Length of the generated WPA/RSN IE or -1 on failure
|
||||
*/
|
||||
int wpa_gen_wpa_ie(struct wpa_sm *sm, u8 *wpa_ie, size_t wpa_ie_len)
|
||||
{
|
||||
if (sm->proto == WPA_PROTO_RSN)
|
||||
return wpa_gen_wpa_ie_rsn(wpa_ie, wpa_ie_len,
|
||||
sm->pairwise_cipher,
|
||||
sm->group_cipher,
|
||||
sm->key_mgmt, sm->mgmt_group_cipher,
|
||||
sm);
|
||||
else
|
||||
return wpa_gen_wpa_ie_wpa(wpa_ie, wpa_ie_len,
|
||||
sm->pairwise_cipher,
|
||||
sm->group_cipher,
|
||||
sm->key_mgmt);
|
||||
}
|
||||
#endif // ESP_SUPPLICANT
|
||||
|
||||
59
components/wpa_supplicant/src/rsn_supp/wpa_ie.h
Normal file
59
components/wpa_supplicant/src/rsn_supp/wpa_ie.h
Normal file
@@ -0,0 +1,59 @@
|
||||
/*
|
||||
* wpa_supplicant - WPA/RSN IE and KDE definitions
|
||||
* Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* Alternatively, this software may be distributed under the terms of BSD
|
||||
* license.
|
||||
*
|
||||
* See README and COPYING for more details.
|
||||
*/
|
||||
|
||||
#ifndef WPA_IE_H
|
||||
#define WPA_IE_H
|
||||
|
||||
struct wpa_eapol_ie_parse {
|
||||
const u8 *wpa_ie;
|
||||
size_t wpa_ie_len;
|
||||
const u8 *rsn_ie;
|
||||
size_t rsn_ie_len;
|
||||
const u8 *pmkid;
|
||||
const u8 *gtk;
|
||||
size_t gtk_len;
|
||||
const u8 *mac_addr;
|
||||
size_t mac_addr_len;
|
||||
#ifdef CONFIG_PEERKEY
|
||||
const u8 *smk;
|
||||
size_t smk_len;
|
||||
const u8 *nonce;
|
||||
size_t nonce_len;
|
||||
const u8 *lifetime;
|
||||
size_t lifetime_len;
|
||||
const u8 *error;
|
||||
size_t error_len;
|
||||
#endif /* CONFIG_PEERKEY */
|
||||
#ifdef CONFIG_IEEE80211W
|
||||
const u8 *igtk;
|
||||
size_t igtk_len;
|
||||
#endif /* CONFIG_IEEE80211W */
|
||||
#ifdef CONFIG_IEEE80211R
|
||||
const u8 *mdie;
|
||||
size_t mdie_len;
|
||||
const u8 *ftie;
|
||||
size_t ftie_len;
|
||||
const u8 *reassoc_deadline;
|
||||
const u8 *key_lifetime;
|
||||
#endif /* CONFIG_IEEE80211R */
|
||||
};
|
||||
|
||||
int wpa_supplicant_parse_ies(const u8 *buf, size_t len,
|
||||
struct wpa_eapol_ie_parse *ie);
|
||||
int wpa_gen_wpa_ie(struct wpa_sm *sm, u8 *wpa_ie, size_t wpa_ie_len);
|
||||
|
||||
int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
|
||||
struct wpa_ie_data *data);
|
||||
|
||||
#endif /* WPA_IE_H */
|
||||
Reference in New Issue
Block a user