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fragattacks/hostapd/wpa.h

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Re-initialize hostapd/wpa_supplicant git repository based on 0.6.3 release
2008-02-27 20:34:43 -05:00
/*
* hostapd - IEEE 802.11i-2004 / WPA Authenticator
* 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_AUTH_H
#define WPA_AUTH_H
#include "eapol_common.h"
#include "wpa_common.h"
#ifdef _MSC_VER
#pragma pack(push, 1)
#endif /* _MSC_VER */
IEEE Std 802.11r-2008 has been released, so update references
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/* IEEE Std 802.11r-2008, 11A.10.3 - Remote request/response frame definition
*/
Re-initialize hostapd/wpa_supplicant git repository based on 0.6.3 release
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struct ft_rrb_frame {
u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */
u8 packet_type; /* FT_PACKET_REQUEST/FT_PACKET_RESPONSE */
Added endianness annotation for sparse
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le16 action_length; /* little endian length of action_frame */
Re-initialize hostapd/wpa_supplicant git repository based on 0.6.3 release
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u8 ap_address[ETH_ALEN];
/*
* Followed by action_length bytes of FT Action frame (from Category
* field to the end of Action Frame body.
*/
} STRUCT_PACKED;
#define RSN_REMOTE_FRAME_TYPE_FT_RRB 1
#define FT_PACKET_REQUEST 0
#define FT_PACKET_RESPONSE 1
/* Vendor-specific types for R0KH-R1KH protocol; not defined in 802.11r */
#define FT_PACKET_R0KH_R1KH_PULL 200
#define FT_PACKET_R0KH_R1KH_RESP 201
#define FT_PACKET_R0KH_R1KH_PUSH 202
#ifndef ETH_P_RRB
#define ETH_P_RRB 0x890D
#endif /* ETH_P_RRB */
#define FT_R0KH_R1KH_PULL_DATA_LEN 44
#define FT_R0KH_R1KH_RESP_DATA_LEN 76
#define FT_R0KH_R1KH_PUSH_DATA_LEN 80
struct ft_r0kh_r1kh_pull_frame {
u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */
u8 packet_type; /* FT_PACKET_R0KH_R1KH_PULL */
Added endianness annotation for sparse
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le16 data_length; /* little endian length of data (44) */
Re-initialize hostapd/wpa_supplicant git repository based on 0.6.3 release
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u8 ap_address[ETH_ALEN];
u8 nonce[16];
u8 pmk_r0_name[WPA_PMK_NAME_LEN];
u8 r1kh_id[FT_R1KH_ID_LEN];
u8 s1kh_id[ETH_ALEN];
u8 pad[4]; /* 8-octet boundary for AES key wrap */
u8 key_wrap_extra[8];
} STRUCT_PACKED;
struct ft_r0kh_r1kh_resp_frame {
u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */
u8 packet_type; /* FT_PACKET_R0KH_R1KH_RESP */
Added endianness annotation for sparse
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le16 data_length; /* little endian length of data (76) */
Re-initialize hostapd/wpa_supplicant git repository based on 0.6.3 release
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u8 ap_address[ETH_ALEN];
u8 nonce[16]; /* copied from pull */
u8 r1kh_id[FT_R1KH_ID_LEN]; /* copied from pull */
u8 s1kh_id[ETH_ALEN]; /* copied from pull */
u8 pmk_r1[PMK_LEN];
u8 pmk_r1_name[WPA_PMK_NAME_LEN];
u8 pad[4]; /* 8-octet boundary for AES key wrap */
u8 key_wrap_extra[8];
} STRUCT_PACKED;
struct ft_r0kh_r1kh_push_frame {
u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */
u8 packet_type; /* FT_PACKET_R0KH_R1KH_PUSH */
Added endianness annotation for sparse
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le16 data_length; /* little endian length of data (80) */
Re-initialize hostapd/wpa_supplicant git repository based on 0.6.3 release
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u8 ap_address[ETH_ALEN];
/* Encrypted with AES key-wrap */
u8 timestamp[4]; /* current time in seconds since unix epoch, little
* endian */
u8 r1kh_id[FT_R1KH_ID_LEN];
u8 s1kh_id[ETH_ALEN];
u8 pmk_r0_name[WPA_PMK_NAME_LEN];
u8 pmk_r1[PMK_LEN];
u8 pmk_r1_name[WPA_PMK_NAME_LEN];
u8 key_wrap_extra[8];
} STRUCT_PACKED;
#ifdef _MSC_VER
#pragma pack(pop)
#endif /* _MSC_VER */
/* per STA state machine data */
struct wpa_authenticator;
struct wpa_state_machine;
struct rsn_pmksa_cache_entry;
struct eapol_state_machine;
struct ft_remote_r0kh {
struct ft_remote_r0kh *next;
u8 addr[ETH_ALEN];
u8 id[FT_R0KH_ID_MAX_LEN];
size_t id_len;
u8 key[16];
};
struct ft_remote_r1kh {
struct ft_remote_r1kh *next;
u8 addr[ETH_ALEN];
u8 id[FT_R1KH_ID_LEN];
u8 key[16];
};
struct wpa_auth_config {
int wpa;
int wpa_key_mgmt;
int wpa_pairwise;
int wpa_group;
int wpa_group_rekey;
int wpa_strict_rekey;
int wpa_gmk_rekey;
Added support for enforcing frequent PTK rekeying Added a new configuration option, wpa_ptk_rekey, that can be used to enforce frequent PTK rekeying, e.g., to mitigate some attacks against TKIP deficiencies. This can be set either by the Authenticator (to initiate periodic 4-way handshake to rekey PTK) or by the Supplicant (to request Authenticator to rekey PTK). With both wpa_ptk_rekey and wpa_group_rekey (in hostapd) set to 600, TKIP keys will not be used for more than 10 minutes which may make some attacks against TKIP more difficult to implement.
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int wpa_ptk_rekey;
Re-initialize hostapd/wpa_supplicant git repository based on 0.6.3 release
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int rsn_pairwise;
int rsn_preauth;
int eapol_version;
int peerkey;
WMM cleanup (WME -> WMM rename, comments, etc.) This updates the terminogy to match with the final WMM specification. In addition, some of the WMM TSPEC structure fields were in incorrect order and used without byte order swapping. Those are also taken care of this cleanup patch.
2009-03-04 05:33:24 -05:00
int wmm_enabled;
Added support for opportunistic key caching (OKC) This allows hostapd to share the PMKSA caches internally when multiple BSSes or radios are being controlled by the same hostapd process.
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int okc;
Re-initialize hostapd/wpa_supplicant git repository based on 0.6.3 release
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#ifdef CONFIG_IEEE80211W
enum {
WPA_NO_IEEE80211W = 0,
WPA_IEEE80211W_OPTIONAL = 1,
WPA_IEEE80211W_REQUIRED = 2
} ieee80211w;
#endif /* CONFIG_IEEE80211W */
#ifdef CONFIG_IEEE80211R
#define SSID_LEN 32
u8 ssid[SSID_LEN];
size_t ssid_len;
u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
u8 r0_key_holder[FT_R0KH_ID_MAX_LEN];
size_t r0_key_holder_len;
u8 r1_key_holder[FT_R1KH_ID_LEN];
u32 r0_key_lifetime;
u32 reassociation_deadline;
struct ft_remote_r0kh *r0kh_list;
struct ft_remote_r1kh *r1kh_list;
int pmk_r1_push;
#endif /* CONFIG_IEEE80211R */
};
typedef enum {
LOGGER_DEBUG, LOGGER_INFO, LOGGER_WARNING
} logger_level;
typedef enum {
WPA_EAPOL_portEnabled, WPA_EAPOL_portValid, WPA_EAPOL_authorized,
WPA_EAPOL_portControl_Auto, WPA_EAPOL_keyRun, WPA_EAPOL_keyAvailable,
WPA_EAPOL_keyDone, WPA_EAPOL_inc_EapolFramesTx
} wpa_eapol_variable;
struct wpa_auth_callbacks {
void *ctx;
void (*logger)(void *ctx, const u8 *addr, logger_level level,
const char *txt);
void (*disconnect)(void *ctx, const u8 *addr, u16 reason);
void (*mic_failure_report)(void *ctx, const u8 *addr);
void (*set_eapol)(void *ctx, const u8 *addr, wpa_eapol_variable var,
int value);
int (*get_eapol)(void *ctx, const u8 *addr, wpa_eapol_variable var);
const u8 * (*get_psk)(void *ctx, const u8 *addr, const u8 *prev_psk);
int (*get_msk)(void *ctx, const u8 *addr, u8 *msk, size_t *len);
int (*set_key)(void *ctx, int vlan_id, const char *alg, const u8 *addr,
int idx, u8 *key, size_t key_len);
int (*get_seqnum)(void *ctx, const u8 *addr, int idx, u8 *seq);
int (*get_seqnum_igtk)(void *ctx, const u8 *addr, int idx, u8 *seq);
int (*send_eapol)(void *ctx, const u8 *addr, const u8 *data,
size_t data_len, int encrypt);
int (*for_each_sta)(void *ctx, int (*cb)(struct wpa_state_machine *sm,
void *ctx), void *cb_ctx);
Added support for opportunistic key caching (OKC) This allows hostapd to share the PMKSA caches internally when multiple BSSes or radios are being controlled by the same hostapd process.
2008-08-03 13:17:58 -04:00
int (*for_each_auth)(void *ctx, int (*cb)(struct wpa_authenticator *a,
void *ctx), void *cb_ctx);
Re-initialize hostapd/wpa_supplicant git repository based on 0.6.3 release
2008-02-27 20:34:43 -05:00
int (*send_ether)(void *ctx, const u8 *dst, u16 proto, const u8 *data,
size_t data_len);
#ifdef CONFIG_IEEE80211R
struct wpa_state_machine * (*add_sta)(void *ctx, const u8 *sta_addr);
int (*send_ft_action)(void *ctx, const u8 *dst,
const u8 *data, size_t data_len);
#endif /* CONFIG_IEEE80211R */
};
struct wpa_authenticator * wpa_init(const u8 *addr,
struct wpa_auth_config *conf,
struct wpa_auth_callbacks *cb);
void wpa_deinit(struct wpa_authenticator *wpa_auth);
int wpa_reconfig(struct wpa_authenticator *wpa_auth,
struct wpa_auth_config *conf);
enum {
WPA_IE_OK, WPA_INVALID_IE, WPA_INVALID_GROUP, WPA_INVALID_PAIRWISE,
WPA_INVALID_AKMP, WPA_NOT_ENABLED, WPA_ALLOC_FAIL,
WPA_MGMT_FRAME_PROTECTION_VIOLATION, WPA_INVALID_MGMT_GROUP_CIPHER,
Fixed WPA/RSN IE validation to verify the proto (WPA vs. WPA2) is enabled Previous version could have allowed a broken client to complete WPA (or WPA2) authentication even if the selected proto was not enabled in hostapd configuration.
2008-10-14 23:34:39 -04:00
WPA_INVALID_MDIE, WPA_INVALID_PROTO
Re-initialize hostapd/wpa_supplicant git repository based on 0.6.3 release
2008-02-27 20:34:43 -05:00
};
int wpa_validate_wpa_ie(struct wpa_authenticator *wpa_auth,
struct wpa_state_machine *sm,
const u8 *wpa_ie, size_t wpa_ie_len,
const u8 *mdie, size_t mdie_len);
Added WLAN_STA_MFP flag for driver wrappers so that they can configure the driver to enable MFP (IEEE 802.11w) processing for the STA.
2008-06-17 04:21:11 -04:00
int wpa_auth_uses_mfp(struct wpa_state_machine *sm);
Re-initialize hostapd/wpa_supplicant git repository based on 0.6.3 release
2008-02-27 20:34:43 -05:00
struct wpa_state_machine *
wpa_auth_sta_init(struct wpa_authenticator *wpa_auth, const u8 *addr);
void wpa_auth_sta_associated(struct wpa_authenticator *wpa_auth,
struct wpa_state_machine *sm);
Clear various flags on re-association to allow key_mgmt changes If a STA reassociates and changes key_mgmt (e.g., from WPA-PSK to WPS), hostapd needs to reset some of the existing STA and WPA state machine variables to allow correct processing for the new association.
2008-11-30 10:22:51 -05:00
void wpa_auth_sta_no_wpa(struct wpa_state_machine *sm);
Re-initialize hostapd/wpa_supplicant git repository based on 0.6.3 release
2008-02-27 20:34:43 -05:00
void wpa_auth_sta_deinit(struct wpa_state_machine *sm);
void wpa_receive(struct wpa_authenticator *wpa_auth,
struct wpa_state_machine *sm,
u8 *data, size_t data_len);
typedef enum {
WPA_AUTH, WPA_ASSOC, WPA_DISASSOC, WPA_DEAUTH, WPA_REAUTH,
WPA_REAUTH_EAPOL, WPA_ASSOC_FT
} wpa_event;
void wpa_remove_ptk(struct wpa_state_machine *sm);
void wpa_auth_sm_event(struct wpa_state_machine *sm, wpa_event event);
void wpa_auth_sm_notify(struct wpa_state_machine *sm);
void wpa_gtk_rekey(struct wpa_authenticator *wpa_auth);
int wpa_get_mib(struct wpa_authenticator *wpa_auth, char *buf, size_t buflen);
int wpa_get_mib_sta(struct wpa_state_machine *sm, char *buf, size_t buflen);
void wpa_auth_countermeasures_start(struct wpa_authenticator *wpa_auth);
int wpa_auth_pairwise_set(struct wpa_state_machine *sm);
Reject association if HT STA tries to use TKIP as pairwise cipher
2008-12-22 07:05:53 -05:00
int wpa_auth_get_pairwise(struct wpa_state_machine *sm);
Re-initialize hostapd/wpa_supplicant git repository based on 0.6.3 release
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int wpa_auth_sta_key_mgmt(struct wpa_state_machine *sm);
int wpa_auth_sta_wpa_version(struct wpa_state_machine *sm);
int wpa_auth_sta_clear_pmksa(struct wpa_state_machine *sm,
struct rsn_pmksa_cache_entry *entry);
struct rsn_pmksa_cache_entry *
wpa_auth_sta_get_pmksa(struct wpa_state_machine *sm);
void wpa_auth_sta_local_mic_failure_report(struct wpa_state_machine *sm);
const u8 * wpa_auth_get_wpa_ie(struct wpa_authenticator *wpa_auth,
size_t *len);
int wpa_auth_pmksa_add(struct wpa_state_machine *sm, const u8 *pmk,
int session_timeout, struct eapol_state_machine *eapol);
int wpa_auth_pmksa_add_preauth(struct wpa_authenticator *wpa_auth,
const u8 *pmk, size_t len, const u8 *sta_addr,
int session_timeout,
struct eapol_state_machine *eapol);
int wpa_auth_sta_set_vlan(struct wpa_state_machine *sm, int vlan_id);
#ifdef CONFIG_IEEE80211R
u8 * wpa_sm_write_assoc_resp_ies(struct wpa_state_machine *sm, u8 *pos,
FT: Add RIC Request processing and RIC Response generation hostapd will now go through the RIC Request and process each RDIE. Only WMM TSPEC requests are currently supported; all other request descriptors will be declined. RIC Response is written by hostapd and verified by wpa_supplicant (MIC validation). wpa_supplicant does not yet have code to notify the driver about the resource request results.
2009-03-09 16:25:58 -04:00
size_t max_len, int auth_alg,
const u8 *req_ies, size_t req_ies_len);
Re-initialize hostapd/wpa_supplicant git repository based on 0.6.3 release
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void wpa_ft_process_auth(struct wpa_state_machine *sm, const u8 *bssid,
u16 auth_transaction, const u8 *ies, size_t ies_len,
void (*cb)(void *ctx, const u8 *dst, const u8 *bssid,
u16 auth_transaction, u16 resp,
const u8 *ies, size_t ies_len),
void *ctx);
u16 wpa_ft_validate_reassoc(struct wpa_state_machine *sm, const u8 *ies,
size_t ies_len);
int wpa_ft_action_rx(struct wpa_state_machine *sm, const u8 *data, size_t len);
int wpa_ft_rrb_rx(struct wpa_authenticator *wpa_auth, const u8 *src_addr,
const u8 *data, size_t data_len);
void wpa_ft_push_pmk_r1(struct wpa_authenticator *wpa_auth, const u8 *addr);
#endif /* CONFIG_IEEE80211R */
#endif /* WPA_AUTH_H */
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