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wlantest.h
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/*
* wlantest - IEEE 802.11 protocol monitoring and testing tool
* Copyright (c) 2010, Jouni Malinen <[email protected]>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef WLANTEST_H
#define WLANTEST_H
#include "utils/list.h"
#include "common/wpa_common.h"
#include "wlantest_ctrl.h"
struct ieee802_11_elems;
struct radius_msg;
struct ieee80211_hdr;
struct wlantest_bss;
#define MAX_RADIUS_SECRET_LEN 128
struct wlantest_radius_secret {
struct dl_list list;
char secret[MAX_RADIUS_SECRET_LEN];
};
struct wlantest_passphrase {
struct dl_list list;
char passphrase[64];
u8 ssid[32];
size_t ssid_len;
u8 bssid[ETH_ALEN];
};
struct wlantest_pmk {
struct dl_list list;
u8 pmk[32];
};
struct wlantest_wep {
struct dl_list list;
size_t key_len;
u8 key[13];
};
struct wlantest_sta {
struct dl_list list;
struct wlantest_bss *bss;
u8 addr[ETH_ALEN];
enum {
STATE1 /* not authenticated */,
STATE2 /* authenticated */,
STATE3 /* associated */
} state;
u16 aid;
u8 rsnie[257]; /* WPA/RSN IE */
int proto;
int pairwise_cipher;
int group_cipher;
int key_mgmt;
int rsn_capab;
u8 anonce[32]; /* ANonce from the previous EAPOL-Key msg 1/4 or 3/4 */
u8 snonce[32]; /* SNonce from the previous EAPOL-Key msg 2/4 */
struct wpa_ptk ptk; /* Derived PTK */
int ptk_set;
struct wpa_ptk tptk; /* Derived PTK during rekeying */
int tptk_set;
u8 rsc_tods[16 + 1][6];
u8 rsc_fromds[16 + 1][6];
u8 ap_sa_query_tr[2];
u8 sta_sa_query_tr[2];
u32 counters[NUM_WLANTEST_STA_COUNTER];
u16 assocreq_capab_info;
u16 assocreq_listen_int;
u8 *assocreq_ies;
size_t assocreq_ies_len;
/* Last ICMP Echo request information */
u32 icmp_echo_req_src;
u32 icmp_echo_req_dst;
u16 icmp_echo_req_id;
u16 icmp_echo_req_seq;
le16 seq_ctrl_to_sta[17];
le16 seq_ctrl_to_ap[17];
int pwrmgt;
int pspoll;
u8 gtk[32];
size_t gtk_len;
int gtk_idx;
};
struct wlantest_tdls {
struct dl_list list;
struct wlantest_sta *init;
struct wlantest_sta *resp;
struct tpk {
u8 kck[16];
u8 tk[16];
} tpk;
int link_up;
u8 dialog_token;
u8 rsc_init[16 + 1][6];
u8 rsc_resp[16 + 1][6];
u32 counters[NUM_WLANTEST_TDLS_COUNTER];
};
struct wlantest_bss {
struct dl_list list;
u8 bssid[ETH_ALEN];
u16 capab_info;
u16 prev_capab_info;
u8 ssid[32];
size_t ssid_len;
int proberesp_seen;
int parse_error_reported;
u8 wpaie[257];
u8 rsnie[257];
int proto;
int pairwise_cipher;
int group_cipher;
int mgmt_group_cipher;
int key_mgmt;
int rsn_capab;
struct dl_list sta; /* struct wlantest_sta */
struct dl_list pmk; /* struct wlantest_pmk */
u8 gtk[4][32];
size_t gtk_len[4];
int gtk_idx;
u8 rsc[4][6];
u8 igtk[6][16];
int igtk_set[6];
int igtk_idx;
u8 ipn[6][6];
u32 counters[NUM_WLANTEST_BSS_COUNTER];
struct dl_list tdls; /* struct wlantest_tdls */
};
struct wlantest_radius {
struct dl_list list;
u32 srv;
u32 cli;
struct radius_msg *last_req;
};
#define MAX_CTRL_CONNECTIONS 10
struct wlantest {
int monitor_sock;
int monitor_wired;
int ctrl_sock;
int ctrl_socks[MAX_CTRL_CONNECTIONS];
struct dl_list passphrase; /* struct wlantest_passphrase */
struct dl_list bss; /* struct wlantest_bss */
struct dl_list secret; /* struct wlantest_radius_secret */
struct dl_list radius; /* struct wlantest_radius */
struct dl_list pmk; /* struct wlantest_pmk */
struct dl_list wep; /* struct wlantest_wep */
unsigned int rx_mgmt;
unsigned int rx_ctrl;
unsigned int rx_data;
unsigned int fcs_error;
void *write_pcap; /* pcap_t* */
void *write_pcap_dumper; /* pcpa_dumper_t */
struct timeval write_pcap_time;
u8 last_hdr[30];
size_t last_len;
int last_mgmt_valid;
unsigned int assume_fcs:1;
};
int add_wep(struct wlantest *wt, const char *key);
int read_cap_file(struct wlantest *wt, const char *fname);
int read_wired_cap_file(struct wlantest *wt, const char *fname);
int write_pcap_init(struct wlantest *wt, const char *fname);
void write_pcap_deinit(struct wlantest *wt);
void write_pcap_captured(struct wlantest *wt, const u8 *buf, size_t len);
void write_pcap_decrypted(struct wlantest *wt, const u8 *buf1, size_t len1,
const u8 *buf2, size_t len2);
void wlantest_process(struct wlantest *wt, const u8 *data, size_t len);
void wlantest_process_prism(struct wlantest *wt, const u8 *data, size_t len);
void wlantest_process_80211(struct wlantest *wt, const u8 *data, size_t len);
void wlantest_process_wired(struct wlantest *wt, const u8 *data, size_t len);
u32 crc32(const u8 *frame, size_t frame_len);
int monitor_init(struct wlantest *wt, const char *ifname);
int monitor_init_wired(struct wlantest *wt, const char *ifname);
void monitor_deinit(struct wlantest *wt);
void rx_mgmt(struct wlantest *wt, const u8 *data, size_t len);
void rx_mgmt_ack(struct wlantest *wt, const struct ieee80211_hdr *hdr);
void rx_data(struct wlantest *wt, const u8 *data, size_t len);
void rx_data_eapol(struct wlantest *wt, const u8 *dst, const u8 *src,
const u8 *data, size_t len, int prot);
void rx_data_ip(struct wlantest *wt, const u8 *bssid, const u8 *sta_addr,
const u8 *dst, const u8 *src, const u8 *data, size_t len,
const u8 *peer_addr);
void rx_data_80211_encap(struct wlantest *wt, const u8 *bssid,
const u8 *sta_addr, const u8 *dst, const u8 *src,
const u8 *data, size_t len);
struct wlantest_bss * bss_find(struct wlantest *wt, const u8 *bssid);
struct wlantest_bss * bss_get(struct wlantest *wt, const u8 *bssid);
void bss_deinit(struct wlantest_bss *bss);
void bss_update(struct wlantest *wt, struct wlantest_bss *bss,
struct ieee802_11_elems *elems);
void bss_flush(struct wlantest *wt);
int bss_add_pmk_from_passphrase(struct wlantest_bss *bss,
const char *passphrase);
void pmk_deinit(struct wlantest_pmk *pmk);
void tdls_deinit(struct wlantest_tdls *tdls);
struct wlantest_sta * sta_find(struct wlantest_bss *bss, const u8 *addr);
struct wlantest_sta * sta_get(struct wlantest_bss *bss, const u8 *addr);
void sta_deinit(struct wlantest_sta *sta);
void sta_update_assoc(struct wlantest_sta *sta,
struct ieee802_11_elems *elems);
u8 * ccmp_decrypt(const u8 *tk, const struct ieee80211_hdr *hdr,
const u8 *data, size_t data_len, size_t *decrypted_len);
u8 * ccmp_encrypt(const u8 *tk, u8 *frame, size_t len, size_t hdrlen, u8 *qos,
u8 *pn, int keyid, size_t *encrypted_len);
void ccmp_get_pn(u8 *pn, const u8 *data);
u8 * ccmp_256_decrypt(const u8 *tk, const struct ieee80211_hdr *hdr,
const u8 *data, size_t data_len, size_t *decrypted_len);
u8 * ccmp_256_encrypt(const u8 *tk, u8 *frame, size_t len, size_t hdrlen,
u8 *qos, u8 *pn, int keyid, size_t *encrypted_len);
u8 * tkip_decrypt(const u8 *tk, const struct ieee80211_hdr *hdr,
const u8 *data, size_t data_len, size_t *decrypted_len);
u8 * tkip_encrypt(const u8 *tk, u8 *frame, size_t len, size_t hdrlen, u8 *qos,
u8 *pn, int keyid, size_t *encrypted_len);
void tkip_get_pn(u8 *pn, const u8 *data);
u8 * wep_decrypt(struct wlantest *wt, const struct ieee80211_hdr *hdr,
const u8 *data, size_t data_len, size_t *decrypted_len);
u8 * bip_protect(const u8 *igtk, u8 *frame, size_t len, u8 *ipn, int keyid,
size_t *prot_len);
u8 * bip_gmac_protect(const u8 *igtk, size_t igtk_len, u8 *frame, size_t len,
u8 *ipn, int keyid, size_t *prot_len);
u8 * gcmp_decrypt(const u8 *tk, size_t tk_len, const struct ieee80211_hdr *hdr,
const u8 *data, size_t data_len, size_t *decrypted_len);
u8 * gcmp_encrypt(const u8 *tk, size_t tk_len, u8 *frame, size_t len,
size_t hdrlen, u8 *qos,
u8 *pn, int keyid, size_t *encrypted_len);
int ctrl_init(struct wlantest *wt);
void ctrl_deinit(struct wlantest *wt);
int wlantest_inject(struct wlantest *wt, struct wlantest_bss *bss,
struct wlantest_sta *sta, u8 *frame, size_t len,
enum wlantest_inject_protection prot);
#endif /* WLANTEST_H */