289 lines
8.4 KiB
C
289 lines
8.4 KiB
C
/*
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* wlantest - IEEE 802.11 protocol monitoring and testing tool
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* Copyright (c) 2010, Jouni Malinen <j@w1.fi>
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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#ifndef WLANTEST_H
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#define WLANTEST_H
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#include "utils/list.h"
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#include "common/wpa_common.h"
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#include "wlantest_ctrl.h"
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struct ieee802_11_elems;
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struct radius_msg;
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struct ieee80211_hdr;
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struct wlantest_bss;
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#define MAX_RADIUS_SECRET_LEN 128
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struct wlantest_radius_secret {
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struct dl_list list;
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char secret[MAX_RADIUS_SECRET_LEN];
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};
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struct wlantest_passphrase {
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struct dl_list list;
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char passphrase[64];
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u8 ssid[32];
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size_t ssid_len;
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u8 bssid[ETH_ALEN];
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};
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struct wlantest_pmk {
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struct dl_list list;
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u8 pmk[32];
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};
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struct wlantest_wep {
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struct dl_list list;
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size_t key_len;
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u8 key[13];
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};
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struct wlantest_sta {
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struct dl_list list;
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struct wlantest_bss *bss;
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u8 addr[ETH_ALEN];
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enum {
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STATE1 /* not authenticated */,
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STATE2 /* authenticated */,
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STATE3 /* associated */
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} state;
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u16 aid;
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u8 rsnie[257]; /* WPA/RSN IE */
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int proto;
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int pairwise_cipher;
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int group_cipher;
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int key_mgmt;
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int rsn_capab;
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u8 anonce[32]; /* ANonce from the previous EAPOL-Key msg 1/4 or 3/4 */
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u8 snonce[32]; /* SNonce from the previous EAPOL-Key msg 2/4 */
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struct wpa_ptk ptk; /* Derived PTK */
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int ptk_set;
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struct wpa_ptk tptk; /* Derived PTK during rekeying */
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int tptk_set;
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u8 rsc_tods[16 + 1][6];
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u8 rsc_fromds[16 + 1][6];
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u8 ap_sa_query_tr[2];
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u8 sta_sa_query_tr[2];
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u32 counters[NUM_WLANTEST_STA_COUNTER];
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u16 assocreq_capab_info;
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u16 assocreq_listen_int;
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u8 *assocreq_ies;
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size_t assocreq_ies_len;
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/* Last ICMP Echo request information */
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u32 icmp_echo_req_src;
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u32 icmp_echo_req_dst;
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u16 icmp_echo_req_id;
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u16 icmp_echo_req_seq;
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le16 seq_ctrl_to_sta[17];
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le16 seq_ctrl_to_ap[17];
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int pwrmgt;
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int pspoll;
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u8 gtk[32];
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size_t gtk_len;
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int gtk_idx;
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};
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struct wlantest_tdls {
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struct dl_list list;
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struct wlantest_sta *init;
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struct wlantest_sta *resp;
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struct tpk {
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u8 kck[16];
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u8 tk[16];
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} tpk;
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int link_up;
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u8 dialog_token;
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u8 rsc_init[16 + 1][6];
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u8 rsc_resp[16 + 1][6];
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u32 counters[NUM_WLANTEST_TDLS_COUNTER];
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u8 inonce[32];
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u8 rnonce[32];
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};
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struct wlantest_bss {
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struct dl_list list;
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u8 bssid[ETH_ALEN];
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u16 capab_info;
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u16 prev_capab_info;
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u8 ssid[32];
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size_t ssid_len;
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int proberesp_seen;
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int parse_error_reported;
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u8 wpaie[257];
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u8 rsnie[257];
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int proto;
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int pairwise_cipher;
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int group_cipher;
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int mgmt_group_cipher;
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int key_mgmt;
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int rsn_capab;
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struct dl_list sta; /* struct wlantest_sta */
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struct dl_list pmk; /* struct wlantest_pmk */
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u8 gtk[4][32];
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size_t gtk_len[4];
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int gtk_idx;
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u8 rsc[4][6];
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u8 igtk[6][16];
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int igtk_set[6];
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int igtk_idx;
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u8 ipn[6][6];
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u32 counters[NUM_WLANTEST_BSS_COUNTER];
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struct dl_list tdls; /* struct wlantest_tdls */
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};
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struct wlantest_radius {
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struct dl_list list;
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u32 srv;
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u32 cli;
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struct radius_msg *last_req;
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};
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#define MAX_CTRL_CONNECTIONS 10
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#define MAX_NOTES 10
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struct wlantest {
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int monitor_sock;
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int monitor_wired;
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int ctrl_sock;
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int ctrl_socks[MAX_CTRL_CONNECTIONS];
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struct dl_list passphrase; /* struct wlantest_passphrase */
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struct dl_list bss; /* struct wlantest_bss */
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struct dl_list secret; /* struct wlantest_radius_secret */
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struct dl_list radius; /* struct wlantest_radius */
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struct dl_list pmk; /* struct wlantest_pmk */
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struct dl_list wep; /* struct wlantest_wep */
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unsigned int rx_mgmt;
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unsigned int rx_ctrl;
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unsigned int rx_data;
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unsigned int fcs_error;
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void *write_pcap; /* pcap_t* */
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void *write_pcap_dumper; /* pcpa_dumper_t */
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struct timeval write_pcap_time;
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u8 *decrypted;
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size_t decrypted_len;
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FILE *pcapng;
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u32 write_pcapng_time_high;
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u32 write_pcapng_time_low;
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u8 last_hdr[30];
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size_t last_len;
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int last_mgmt_valid;
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unsigned int assume_fcs:1;
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char *notes[MAX_NOTES];
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size_t num_notes;
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};
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void add_note(struct wlantest *wt, int level, const char *fmt, ...)
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PRINTF_FORMAT(3, 4);
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void clear_notes(struct wlantest *wt);
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size_t notes_len(struct wlantest *wt, size_t hdrlen);
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int add_wep(struct wlantest *wt, const char *key);
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int read_cap_file(struct wlantest *wt, const char *fname);
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int read_wired_cap_file(struct wlantest *wt, const char *fname);
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int write_pcap_init(struct wlantest *wt, const char *fname);
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void write_pcap_deinit(struct wlantest *wt);
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void write_pcap_captured(struct wlantest *wt, const u8 *buf, size_t len);
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void write_pcap_decrypted(struct wlantest *wt, const u8 *buf1, size_t len1,
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const u8 *buf2, size_t len2);
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int write_pcapng_init(struct wlantest *wt, const char *fname);
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void write_pcapng_deinit(struct wlantest *wt);
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struct pcap_pkthdr;
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void write_pcapng_write_read(struct wlantest *wt, int dlt,
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struct pcap_pkthdr *hdr, const u8 *data);
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void write_pcapng_captured(struct wlantest *wt, const u8 *buf, size_t len);
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void wlantest_process(struct wlantest *wt, const u8 *data, size_t len);
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void wlantest_process_prism(struct wlantest *wt, const u8 *data, size_t len);
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void wlantest_process_80211(struct wlantest *wt, const u8 *data, size_t len);
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void wlantest_process_wired(struct wlantest *wt, const u8 *data, size_t len);
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u32 crc32(const u8 *frame, size_t frame_len);
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int monitor_init(struct wlantest *wt, const char *ifname);
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int monitor_init_wired(struct wlantest *wt, const char *ifname);
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void monitor_deinit(struct wlantest *wt);
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void rx_mgmt(struct wlantest *wt, const u8 *data, size_t len);
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void rx_mgmt_ack(struct wlantest *wt, const struct ieee80211_hdr *hdr);
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void rx_data(struct wlantest *wt, const u8 *data, size_t len);
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void rx_data_eapol(struct wlantest *wt, const u8 *dst, const u8 *src,
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const u8 *data, size_t len, int prot);
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void rx_data_ip(struct wlantest *wt, const u8 *bssid, const u8 *sta_addr,
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const u8 *dst, const u8 *src, const u8 *data, size_t len,
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const u8 *peer_addr);
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void rx_data_80211_encap(struct wlantest *wt, const u8 *bssid,
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const u8 *sta_addr, const u8 *dst, const u8 *src,
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const u8 *data, size_t len);
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struct wlantest_bss * bss_find(struct wlantest *wt, const u8 *bssid);
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struct wlantest_bss * bss_get(struct wlantest *wt, const u8 *bssid);
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void bss_deinit(struct wlantest_bss *bss);
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void bss_update(struct wlantest *wt, struct wlantest_bss *bss,
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struct ieee802_11_elems *elems);
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void bss_flush(struct wlantest *wt);
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int bss_add_pmk_from_passphrase(struct wlantest_bss *bss,
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const char *passphrase);
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void pmk_deinit(struct wlantest_pmk *pmk);
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void tdls_deinit(struct wlantest_tdls *tdls);
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struct wlantest_sta * sta_find(struct wlantest_bss *bss, const u8 *addr);
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struct wlantest_sta * sta_get(struct wlantest_bss *bss, const u8 *addr);
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void sta_deinit(struct wlantest_sta *sta);
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void sta_update_assoc(struct wlantest_sta *sta,
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struct ieee802_11_elems *elems);
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u8 * ccmp_decrypt(const u8 *tk, const struct ieee80211_hdr *hdr,
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const u8 *data, size_t data_len, size_t *decrypted_len);
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u8 * ccmp_encrypt(const u8 *tk, u8 *frame, size_t len, size_t hdrlen, u8 *qos,
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u8 *pn, int keyid, size_t *encrypted_len);
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void ccmp_get_pn(u8 *pn, const u8 *data);
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u8 * ccmp_256_decrypt(const u8 *tk, const struct ieee80211_hdr *hdr,
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const u8 *data, size_t data_len, size_t *decrypted_len);
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u8 * ccmp_256_encrypt(const u8 *tk, u8 *frame, size_t len, size_t hdrlen,
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u8 *qos, u8 *pn, int keyid, size_t *encrypted_len);
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u8 * tkip_decrypt(const u8 *tk, const struct ieee80211_hdr *hdr,
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const u8 *data, size_t data_len, size_t *decrypted_len);
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u8 * tkip_encrypt(const u8 *tk, u8 *frame, size_t len, size_t hdrlen, u8 *qos,
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u8 *pn, int keyid, size_t *encrypted_len);
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void tkip_get_pn(u8 *pn, const u8 *data);
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u8 * wep_decrypt(struct wlantest *wt, const struct ieee80211_hdr *hdr,
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const u8 *data, size_t data_len, size_t *decrypted_len);
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u8 * bip_protect(const u8 *igtk, u8 *frame, size_t len, u8 *ipn, int keyid,
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size_t *prot_len);
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u8 * bip_gmac_protect(const u8 *igtk, size_t igtk_len, u8 *frame, size_t len,
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u8 *ipn, int keyid, size_t *prot_len);
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u8 * gcmp_decrypt(const u8 *tk, size_t tk_len, const struct ieee80211_hdr *hdr,
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const u8 *data, size_t data_len, size_t *decrypted_len);
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u8 * gcmp_encrypt(const u8 *tk, size_t tk_len, u8 *frame, size_t len,
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size_t hdrlen, u8 *qos,
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u8 *pn, int keyid, size_t *encrypted_len);
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int ctrl_init(struct wlantest *wt);
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void ctrl_deinit(struct wlantest *wt);
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int wlantest_inject(struct wlantest *wt, struct wlantest_bss *bss,
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struct wlantest_sta *sta, u8 *frame, size_t len,
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enum wlantest_inject_protection prot);
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#endif /* WLANTEST_H */
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