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04059ab844
Implement the signature mechanism described in the paper "Passive Taxonomy of Wifi Clients using MLME Frame Contents" published by Denton Gentry and Avery Pennarun. http://research.google.com/pubs/pub45429.html https://arxiv.org/abs/1608.01725 This involves: 1. Add a CONFIG_TAXONOMY compile option. Enabling taxonomy incurs a memory overhead of up to several kilobytes per associated station. 2. If enabled, store the Probe Request and (Re)Associate Request frame in struct sta_info. 3. Implement code to extract the ID of each Information Element, plus selected fields and bitmasks from certain IEs, into a descriptive text string. This is done in a new source file, src/ap/taxonomy.c. 4. Implement a "signature qq:rr:ss:tt:uu:vv" command in hostapd_cli to retrieve the signature. Signatures take the form of a text string. For example, a signature for the Nexus 5X is: wifi4|probe:0,1,127,45,191,htcap:01ef,htagg:03,htmcs:0000ffff,vhtcap:338061b2, vhtrxmcs:030cfffa,vhttxmcs:030cfffa,extcap:00000a0201000040|assoc:0,1,48,45, 221(0050f2,2),191,127,htcap:01ef,htagg:03,htmcs:0000ffff,vhtcap:339071b2, vhtrxmcs:030cfffa,vhttxmcs:030cfffa,extcap:0000000000000040 Signed-off-by: dgentry@google.com (Denton Gentry) Signed-off-by: denny@geekhold.com (Denton Gentry) Signed-off-by: rofrankel@google.com (Richard Frankel) Signed-off-by: richard@frankel.tv (Richard Frankel)
37 lines
1.4 KiB
C
37 lines
1.4 KiB
C
/*
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* Control interface for shared AP commands
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* Copyright (c) 2004-2013, 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 CTRL_IFACE_AP_H
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#define CTRL_IFACE_AP_H
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int hostapd_ctrl_iface_sta_first(struct hostapd_data *hapd,
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char *buf, size_t buflen);
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int hostapd_ctrl_iface_sta(struct hostapd_data *hapd, const char *txtaddr,
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char *buf, size_t buflen);
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int hostapd_ctrl_iface_sta_next(struct hostapd_data *hapd, const char *txtaddr,
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char *buf, size_t buflen);
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int hostapd_ctrl_iface_deauthenticate(struct hostapd_data *hapd,
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const char *txtaddr);
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int hostapd_ctrl_iface_disassociate(struct hostapd_data *hapd,
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const char *txtaddr);
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int hostapd_ctrl_iface_signature(struct hostapd_data *hapd,
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const char *txtaddr,
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char *buf, size_t buflen);
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int hostapd_ctrl_iface_poll_sta(struct hostapd_data *hapd,
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const char *txtaddr);
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int hostapd_ctrl_iface_status(struct hostapd_data *hapd, char *buf,
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size_t buflen);
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int hostapd_parse_csa_settings(const char *pos,
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struct csa_settings *settings);
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int hostapd_ctrl_iface_stop_ap(struct hostapd_data *hapd);
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int hostapd_ctrl_iface_pmksa_list(struct hostapd_data *hapd, char *buf,
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size_t len);
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void hostapd_ctrl_iface_pmksa_flush(struct hostapd_data *hapd);
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#endif /* CTRL_IFACE_AP_H */
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