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Commit | Line | Data |
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6fc6879b JM |
1 | /* |
2 | * hostapd - IEEE 802.11i-2004 / WPA Authenticator | |
bc02843e | 3 | * Copyright (c) 2004-2015, Jouni Malinen <j@w1.fi> |
6fc6879b | 4 | * |
0f3d578e JM |
5 | * This software may be distributed under the terms of the BSD license. |
6 | * See README for more details. | |
6fc6879b JM |
7 | */ |
8 | ||
9 | #ifndef WPA_AUTH_H | |
10 | #define WPA_AUTH_H | |
11 | ||
90973fb2 JM |
12 | #include "common/defs.h" |
13 | #include "common/eapol_common.h" | |
14 | #include "common/wpa_common.h" | |
d6c3067d | 15 | #include "common/ieee802_11_defs.h" |
6fc6879b | 16 | |
bc02843e JM |
17 | #define MAX_OWN_IE_OVERRIDE 256 |
18 | ||
6fc6879b JM |
19 | #ifdef _MSC_VER |
20 | #pragma pack(push, 1) | |
21 | #endif /* _MSC_VER */ | |
22 | ||
c1e033b0 JM |
23 | /* IEEE Std 802.11r-2008, 11A.10.3 - Remote request/response frame definition |
24 | */ | |
6fc6879b JM |
25 | struct ft_rrb_frame { |
26 | u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */ | |
27 | u8 packet_type; /* FT_PACKET_REQUEST/FT_PACKET_RESPONSE */ | |
2eba45c8 | 28 | le16 action_length; /* little endian length of action_frame */ |
6fc6879b JM |
29 | u8 ap_address[ETH_ALEN]; |
30 | /* | |
31 | * Followed by action_length bytes of FT Action frame (from Category | |
32 | * field to the end of Action Frame body. | |
33 | */ | |
34 | } STRUCT_PACKED; | |
35 | ||
36 | #define RSN_REMOTE_FRAME_TYPE_FT_RRB 1 | |
37 | ||
38 | #define FT_PACKET_REQUEST 0 | |
39 | #define FT_PACKET_RESPONSE 1 | |
40 | /* Vendor-specific types for R0KH-R1KH protocol; not defined in 802.11r */ | |
41 | #define FT_PACKET_R0KH_R1KH_PULL 200 | |
42 | #define FT_PACKET_R0KH_R1KH_RESP 201 | |
43 | #define FT_PACKET_R0KH_R1KH_PUSH 202 | |
44 | ||
692ec305 | 45 | #define FT_R0KH_R1KH_PULL_NONCE_LEN 16 |
0270bded MB |
46 | #define FT_R0KH_R1KH_PULL_DATA_LEN (FT_R0KH_R1KH_PULL_NONCE_LEN + \ |
47 | WPA_PMK_NAME_LEN + FT_R1KH_ID_LEN + \ | |
48 | ETH_ALEN) | |
49 | #define FT_R0KH_R1KH_PULL_PAD_LEN ((8 - FT_R0KH_R1KH_PULL_DATA_LEN % 8) % 8) | |
6fc6879b JM |
50 | |
51 | struct ft_r0kh_r1kh_pull_frame { | |
52 | u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */ | |
53 | u8 packet_type; /* FT_PACKET_R0KH_R1KH_PULL */ | |
2eba45c8 | 54 | le16 data_length; /* little endian length of data (44) */ |
6fc6879b JM |
55 | u8 ap_address[ETH_ALEN]; |
56 | ||
692ec305 | 57 | u8 nonce[FT_R0KH_R1KH_PULL_NONCE_LEN]; |
6fc6879b JM |
58 | u8 pmk_r0_name[WPA_PMK_NAME_LEN]; |
59 | u8 r1kh_id[FT_R1KH_ID_LEN]; | |
60 | u8 s1kh_id[ETH_ALEN]; | |
0270bded | 61 | u8 pad[FT_R0KH_R1KH_PULL_PAD_LEN]; /* 8-octet boundary for AES block */ |
6fc6879b JM |
62 | u8 key_wrap_extra[8]; |
63 | } STRUCT_PACKED; | |
64 | ||
0270bded MB |
65 | #define FT_R0KH_R1KH_RESP_DATA_LEN (FT_R0KH_R1KH_PULL_NONCE_LEN + \ |
66 | FT_R1KH_ID_LEN + ETH_ALEN + PMK_LEN + \ | |
67 | WPA_PMK_NAME_LEN + 2) | |
68 | #define FT_R0KH_R1KH_RESP_PAD_LEN ((8 - FT_R0KH_R1KH_RESP_DATA_LEN % 8) % 8) | |
6fc6879b JM |
69 | struct ft_r0kh_r1kh_resp_frame { |
70 | u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */ | |
71 | u8 packet_type; /* FT_PACKET_R0KH_R1KH_RESP */ | |
0270bded | 72 | le16 data_length; /* little endian length of data (78) */ |
6fc6879b JM |
73 | u8 ap_address[ETH_ALEN]; |
74 | ||
692ec305 | 75 | u8 nonce[FT_R0KH_R1KH_PULL_NONCE_LEN]; /* copied from pull */ |
6fc6879b JM |
76 | u8 r1kh_id[FT_R1KH_ID_LEN]; /* copied from pull */ |
77 | u8 s1kh_id[ETH_ALEN]; /* copied from pull */ | |
78 | u8 pmk_r1[PMK_LEN]; | |
79 | u8 pmk_r1_name[WPA_PMK_NAME_LEN]; | |
1b484d60 | 80 | le16 pairwise; |
0270bded | 81 | u8 pad[FT_R0KH_R1KH_RESP_PAD_LEN]; /* 8-octet boundary for AES block */ |
6fc6879b JM |
82 | u8 key_wrap_extra[8]; |
83 | } STRUCT_PACKED; | |
84 | ||
0270bded MB |
85 | #define FT_R0KH_R1KH_PUSH_DATA_LEN (4 + FT_R1KH_ID_LEN + ETH_ALEN + \ |
86 | WPA_PMK_NAME_LEN + PMK_LEN + \ | |
87 | WPA_PMK_NAME_LEN + 2) | |
88 | #define FT_R0KH_R1KH_PUSH_PAD_LEN ((8 - FT_R0KH_R1KH_PUSH_DATA_LEN % 8) % 8) | |
6fc6879b JM |
89 | struct ft_r0kh_r1kh_push_frame { |
90 | u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */ | |
91 | u8 packet_type; /* FT_PACKET_R0KH_R1KH_PUSH */ | |
0270bded | 92 | le16 data_length; /* little endian length of data (82) */ |
6fc6879b JM |
93 | u8 ap_address[ETH_ALEN]; |
94 | ||
95 | /* Encrypted with AES key-wrap */ | |
96 | u8 timestamp[4]; /* current time in seconds since unix epoch, little | |
97 | * endian */ | |
98 | u8 r1kh_id[FT_R1KH_ID_LEN]; | |
99 | u8 s1kh_id[ETH_ALEN]; | |
100 | u8 pmk_r0_name[WPA_PMK_NAME_LEN]; | |
101 | u8 pmk_r1[PMK_LEN]; | |
102 | u8 pmk_r1_name[WPA_PMK_NAME_LEN]; | |
1b484d60 | 103 | le16 pairwise; |
0270bded | 104 | u8 pad[FT_R0KH_R1KH_PUSH_PAD_LEN]; /* 8-octet boundary for AES block */ |
6fc6879b JM |
105 | u8 key_wrap_extra[8]; |
106 | } STRUCT_PACKED; | |
107 | ||
108 | #ifdef _MSC_VER | |
109 | #pragma pack(pop) | |
110 | #endif /* _MSC_VER */ | |
111 | ||
112 | ||
113 | /* per STA state machine data */ | |
114 | ||
115 | struct wpa_authenticator; | |
116 | struct wpa_state_machine; | |
117 | struct rsn_pmksa_cache_entry; | |
118 | struct eapol_state_machine; | |
119 | ||
120 | ||
121 | struct ft_remote_r0kh { | |
122 | struct ft_remote_r0kh *next; | |
123 | u8 addr[ETH_ALEN]; | |
124 | u8 id[FT_R0KH_ID_MAX_LEN]; | |
125 | size_t id_len; | |
126 | u8 key[16]; | |
127 | }; | |
128 | ||
129 | ||
130 | struct ft_remote_r1kh { | |
131 | struct ft_remote_r1kh *next; | |
132 | u8 addr[ETH_ALEN]; | |
133 | u8 id[FT_R1KH_ID_LEN]; | |
134 | u8 key[16]; | |
135 | }; | |
136 | ||
137 | ||
138 | struct wpa_auth_config { | |
139 | int wpa; | |
140 | int wpa_key_mgmt; | |
141 | int wpa_pairwise; | |
142 | int wpa_group; | |
143 | int wpa_group_rekey; | |
144 | int wpa_strict_rekey; | |
145 | int wpa_gmk_rekey; | |
581a8cde | 146 | int wpa_ptk_rekey; |
6fc6879b JM |
147 | int rsn_pairwise; |
148 | int rsn_preauth; | |
149 | int eapol_version; | |
150 | int peerkey; | |
3ae0800c | 151 | int wmm_enabled; |
721abef9 | 152 | int wmm_uapsd; |
cb465555 | 153 | int disable_pmksa_caching; |
bf98f7f3 | 154 | int okc; |
e4bf4db9 | 155 | int tx_status; |
6fc6879b | 156 | #ifdef CONFIG_IEEE80211W |
70f8cc8e | 157 | enum mfp_options ieee80211w; |
8dd9f9cd | 158 | int group_mgmt_cipher; |
6fc6879b JM |
159 | #endif /* CONFIG_IEEE80211W */ |
160 | #ifdef CONFIG_IEEE80211R | |
d6c3067d | 161 | u8 ssid[SSID_MAX_LEN]; |
6fc6879b JM |
162 | size_t ssid_len; |
163 | u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN]; | |
164 | u8 r0_key_holder[FT_R0KH_ID_MAX_LEN]; | |
165 | size_t r0_key_holder_len; | |
166 | u8 r1_key_holder[FT_R1KH_ID_LEN]; | |
167 | u32 r0_key_lifetime; | |
168 | u32 reassociation_deadline; | |
169 | struct ft_remote_r0kh *r0kh_list; | |
170 | struct ft_remote_r1kh *r1kh_list; | |
171 | int pmk_r1_push; | |
d7956add | 172 | int ft_over_ds; |
96590564 | 173 | int ft_psk_generate_local; |
6fc6879b | 174 | #endif /* CONFIG_IEEE80211R */ |
83421850 | 175 | int disable_gtk; |
88b32a99 | 176 | int ap_mlme; |
7af092a0 JB |
177 | #ifdef CONFIG_TESTING_OPTIONS |
178 | double corrupt_gtk_rekey_mic_probability; | |
bc02843e JM |
179 | u8 own_ie_override[MAX_OWN_IE_OVERRIDE]; |
180 | size_t own_ie_override_len; | |
7af092a0 | 181 | #endif /* CONFIG_TESTING_OPTIONS */ |
25ef8529 JM |
182 | #ifdef CONFIG_P2P |
183 | u8 ip_addr_go[4]; | |
184 | u8 ip_addr_mask[4]; | |
185 | u8 ip_addr_start[4]; | |
186 | u8 ip_addr_end[4]; | |
187 | #endif /* CONFIG_P2P */ | |
6fc6879b JM |
188 | }; |
189 | ||
190 | typedef enum { | |
191 | LOGGER_DEBUG, LOGGER_INFO, LOGGER_WARNING | |
192 | } logger_level; | |
193 | ||
194 | typedef enum { | |
195 | WPA_EAPOL_portEnabled, WPA_EAPOL_portValid, WPA_EAPOL_authorized, | |
196 | WPA_EAPOL_portControl_Auto, WPA_EAPOL_keyRun, WPA_EAPOL_keyAvailable, | |
197 | WPA_EAPOL_keyDone, WPA_EAPOL_inc_EapolFramesTx | |
198 | } wpa_eapol_variable; | |
199 | ||
200 | struct wpa_auth_callbacks { | |
201 | void *ctx; | |
202 | void (*logger)(void *ctx, const u8 *addr, logger_level level, | |
203 | const char *txt); | |
204 | void (*disconnect)(void *ctx, const u8 *addr, u16 reason); | |
c772d054 | 205 | int (*mic_failure_report)(void *ctx, const u8 *addr); |
2c502460 | 206 | void (*psk_failure_report)(void *ctx, const u8 *addr); |
6fc6879b JM |
207 | void (*set_eapol)(void *ctx, const u8 *addr, wpa_eapol_variable var, |
208 | int value); | |
209 | int (*get_eapol)(void *ctx, const u8 *addr, wpa_eapol_variable var); | |
759fd76b JM |
210 | const u8 * (*get_psk)(void *ctx, const u8 *addr, const u8 *p2p_dev_addr, |
211 | const u8 *prev_psk); | |
6fc6879b | 212 | int (*get_msk)(void *ctx, const u8 *addr, u8 *msk, size_t *len); |
71934751 JM |
213 | int (*set_key)(void *ctx, int vlan_id, enum wpa_alg alg, |
214 | const u8 *addr, int idx, u8 *key, size_t key_len); | |
6fc6879b | 215 | int (*get_seqnum)(void *ctx, const u8 *addr, int idx, u8 *seq); |
6fc6879b JM |
216 | int (*send_eapol)(void *ctx, const u8 *addr, const u8 *data, |
217 | size_t data_len, int encrypt); | |
218 | int (*for_each_sta)(void *ctx, int (*cb)(struct wpa_state_machine *sm, | |
219 | void *ctx), void *cb_ctx); | |
bf98f7f3 JM |
220 | int (*for_each_auth)(void *ctx, int (*cb)(struct wpa_authenticator *a, |
221 | void *ctx), void *cb_ctx); | |
6fc6879b JM |
222 | int (*send_ether)(void *ctx, const u8 *dst, u16 proto, const u8 *data, |
223 | size_t data_len); | |
224 | #ifdef CONFIG_IEEE80211R | |
225 | struct wpa_state_machine * (*add_sta)(void *ctx, const u8 *sta_addr); | |
226 | int (*send_ft_action)(void *ctx, const u8 *dst, | |
227 | const u8 *data, size_t data_len); | |
88b32a99 | 228 | int (*add_tspec)(void *ctx, const u8 *sta_addr, u8 *tspec_ie, |
006309b5 | 229 | size_t tspec_ielen); |
6fc6879b | 230 | #endif /* CONFIG_IEEE80211R */ |
0f950df0 TP |
231 | #ifdef CONFIG_MESH |
232 | int (*start_ampe)(void *ctx, const u8 *sta_addr); | |
233 | #endif /* CONFIG_MESH */ | |
6fc6879b JM |
234 | }; |
235 | ||
236 | struct wpa_authenticator * wpa_init(const u8 *addr, | |
237 | struct wpa_auth_config *conf, | |
238 | struct wpa_auth_callbacks *cb); | |
bdffdc5d | 239 | int wpa_init_keys(struct wpa_authenticator *wpa_auth); |
6fc6879b JM |
240 | void wpa_deinit(struct wpa_authenticator *wpa_auth); |
241 | int wpa_reconfig(struct wpa_authenticator *wpa_auth, | |
242 | struct wpa_auth_config *conf); | |
243 | ||
244 | enum { | |
245 | WPA_IE_OK, WPA_INVALID_IE, WPA_INVALID_GROUP, WPA_INVALID_PAIRWISE, | |
246 | WPA_INVALID_AKMP, WPA_NOT_ENABLED, WPA_ALLOC_FAIL, | |
247 | WPA_MGMT_FRAME_PROTECTION_VIOLATION, WPA_INVALID_MGMT_GROUP_CIPHER, | |
2100a768 | 248 | WPA_INVALID_MDIE, WPA_INVALID_PROTO |
6fc6879b JM |
249 | }; |
250 | ||
251 | int wpa_validate_wpa_ie(struct wpa_authenticator *wpa_auth, | |
252 | struct wpa_state_machine *sm, | |
253 | const u8 *wpa_ie, size_t wpa_ie_len, | |
254 | const u8 *mdie, size_t mdie_len); | |
a14896e8 JM |
255 | int wpa_validate_osen(struct wpa_authenticator *wpa_auth, |
256 | struct wpa_state_machine *sm, | |
257 | const u8 *osen_ie, size_t osen_ie_len); | |
f3f7540e | 258 | int wpa_auth_uses_mfp(struct wpa_state_machine *sm); |
6fc6879b | 259 | struct wpa_state_machine * |
94ddef3e JM |
260 | wpa_auth_sta_init(struct wpa_authenticator *wpa_auth, const u8 *addr, |
261 | const u8 *p2p_dev_addr); | |
6f9b5d16 JM |
262 | int wpa_auth_sta_associated(struct wpa_authenticator *wpa_auth, |
263 | struct wpa_state_machine *sm); | |
a8d05fca | 264 | void wpa_auth_sta_no_wpa(struct wpa_state_machine *sm); |
6fc6879b JM |
265 | void wpa_auth_sta_deinit(struct wpa_state_machine *sm); |
266 | void wpa_receive(struct wpa_authenticator *wpa_auth, | |
267 | struct wpa_state_machine *sm, | |
268 | u8 *data, size_t data_len); | |
bb119228 | 269 | enum wpa_event { |
6fc6879b JM |
270 | WPA_AUTH, WPA_ASSOC, WPA_DISASSOC, WPA_DEAUTH, WPA_REAUTH, |
271 | WPA_REAUTH_EAPOL, WPA_ASSOC_FT | |
bb119228 | 272 | }; |
6fc6879b | 273 | void wpa_remove_ptk(struct wpa_state_machine *sm); |
bb119228 | 274 | int wpa_auth_sm_event(struct wpa_state_machine *sm, enum wpa_event event); |
6fc6879b JM |
275 | void wpa_auth_sm_notify(struct wpa_state_machine *sm); |
276 | void wpa_gtk_rekey(struct wpa_authenticator *wpa_auth); | |
277 | int wpa_get_mib(struct wpa_authenticator *wpa_auth, char *buf, size_t buflen); | |
278 | int wpa_get_mib_sta(struct wpa_state_machine *sm, char *buf, size_t buflen); | |
279 | void wpa_auth_countermeasures_start(struct wpa_authenticator *wpa_auth); | |
280 | int wpa_auth_pairwise_set(struct wpa_state_machine *sm); | |
ff36ff00 | 281 | int wpa_auth_get_pairwise(struct wpa_state_machine *sm); |
6fc6879b JM |
282 | int wpa_auth_sta_key_mgmt(struct wpa_state_machine *sm); |
283 | int wpa_auth_sta_wpa_version(struct wpa_state_machine *sm); | |
284 | int wpa_auth_sta_clear_pmksa(struct wpa_state_machine *sm, | |
285 | struct rsn_pmksa_cache_entry *entry); | |
286 | struct rsn_pmksa_cache_entry * | |
287 | wpa_auth_sta_get_pmksa(struct wpa_state_machine *sm); | |
288 | void wpa_auth_sta_local_mic_failure_report(struct wpa_state_machine *sm); | |
289 | const u8 * wpa_auth_get_wpa_ie(struct wpa_authenticator *wpa_auth, | |
290 | size_t *len); | |
291 | int wpa_auth_pmksa_add(struct wpa_state_machine *sm, const u8 *pmk, | |
207976f0 | 292 | unsigned int pmk_len, |
6fc6879b JM |
293 | int session_timeout, struct eapol_state_machine *eapol); |
294 | int wpa_auth_pmksa_add_preauth(struct wpa_authenticator *wpa_auth, | |
295 | const u8 *pmk, size_t len, const u8 *sta_addr, | |
296 | int session_timeout, | |
297 | struct eapol_state_machine *eapol); | |
f2991170 | 298 | int wpa_auth_pmksa_add_sae(struct wpa_authenticator *wpa_auth, const u8 *addr, |
70c93963 | 299 | const u8 *pmk, const u8 *pmkid); |
901d1fe1 JM |
300 | void wpa_auth_pmksa_remove(struct wpa_authenticator *wpa_auth, |
301 | const u8 *sta_addr); | |
b8daac18 MH |
302 | int wpa_auth_pmksa_list(struct wpa_authenticator *wpa_auth, char *buf, |
303 | size_t len); | |
4c522c77 | 304 | void wpa_auth_pmksa_flush(struct wpa_authenticator *wpa_auth); |
9f2cf23e MH |
305 | struct rsn_pmksa_cache_entry * |
306 | wpa_auth_pmksa_get(struct wpa_authenticator *wpa_auth, const u8 *sta_addr); | |
307 | void wpa_auth_pmksa_set_to_sm(struct rsn_pmksa_cache_entry *pmksa, | |
308 | struct wpa_state_machine *sm, | |
309 | struct wpa_authenticator *wpa_auth, | |
310 | u8 *pmkid, u8 *pmk); | |
6fc6879b | 311 | int wpa_auth_sta_set_vlan(struct wpa_state_machine *sm, int vlan_id); |
e4bf4db9 JM |
312 | void wpa_auth_eapol_key_tx_status(struct wpa_authenticator *wpa_auth, |
313 | struct wpa_state_machine *sm, int ack); | |
6fc6879b JM |
314 | |
315 | #ifdef CONFIG_IEEE80211R | |
316 | u8 * wpa_sm_write_assoc_resp_ies(struct wpa_state_machine *sm, u8 *pos, | |
f238cf9f JM |
317 | size_t max_len, int auth_alg, |
318 | const u8 *req_ies, size_t req_ies_len); | |
6fc6879b JM |
319 | void wpa_ft_process_auth(struct wpa_state_machine *sm, const u8 *bssid, |
320 | u16 auth_transaction, const u8 *ies, size_t ies_len, | |
321 | void (*cb)(void *ctx, const u8 *dst, const u8 *bssid, | |
322 | u16 auth_transaction, u16 resp, | |
323 | const u8 *ies, size_t ies_len), | |
324 | void *ctx); | |
325 | u16 wpa_ft_validate_reassoc(struct wpa_state_machine *sm, const u8 *ies, | |
326 | size_t ies_len); | |
327 | int wpa_ft_action_rx(struct wpa_state_machine *sm, const u8 *data, size_t len); | |
328 | int wpa_ft_rrb_rx(struct wpa_authenticator *wpa_auth, const u8 *src_addr, | |
329 | const u8 *data, size_t data_len); | |
330 | void wpa_ft_push_pmk_r1(struct wpa_authenticator *wpa_auth, const u8 *addr); | |
331 | #endif /* CONFIG_IEEE80211R */ | |
332 | ||
d32d94db XC |
333 | void wpa_wnmsleep_rekey_gtk(struct wpa_state_machine *sm); |
334 | void wpa_set_wnmsleep(struct wpa_state_machine *sm, int flag); | |
335 | int wpa_wnmsleep_gtk_subelem(struct wpa_state_machine *sm, u8 *pos); | |
d32d94db | 336 | int wpa_wnmsleep_igtk_subelem(struct wpa_state_machine *sm, u8 *pos); |
d32d94db | 337 | |
c10347f2 | 338 | int wpa_auth_uses_sae(struct wpa_state_machine *sm); |
aa189ac9 | 339 | int wpa_auth_uses_ft_sae(struct wpa_state_machine *sm); |
c10347f2 | 340 | |
25ef8529 JM |
341 | int wpa_auth_get_ip_addr(struct wpa_state_machine *sm, u8 *addr); |
342 | ||
cbc210de JM |
343 | struct radius_das_attrs; |
344 | int wpa_auth_radius_das_disconnect_pmksa(struct wpa_authenticator *wpa_auth, | |
345 | struct radius_das_attrs *attr); | |
34782730 | 346 | void wpa_auth_reconfig_group_keys(struct wpa_authenticator *wpa_auth); |
cbc210de | 347 | |
7cebc8e2 MB |
348 | int wpa_auth_ensure_group(struct wpa_authenticator *wpa_auth, int vlan_id); |
349 | int wpa_auth_release_group(struct wpa_authenticator *wpa_auth, int vlan_id); | |
350 | ||
6fc6879b | 351 | #endif /* WPA_AUTH_H */ |