diff options
Diffstat (limited to 'net/mac80211/wpa.c')
-rw-r--r-- | net/mac80211/wpa.c | 80 |
1 files changed, 40 insertions, 40 deletions
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c index b35e51c6ce0c..df0b7341efc8 100644 --- a/net/mac80211/wpa.c +++ b/net/mac80211/wpa.c | |||
@@ -71,7 +71,7 @@ static int ieee80211_get_hdr_info(const struct sk_buff *skb, u8 **sa, u8 **da, | |||
71 | 71 | ||
72 | 72 | ||
73 | ieee80211_tx_result | 73 | ieee80211_tx_result |
74 | ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx) | 74 | ieee80211_tx_h_michael_mic_add(struct ieee80211_tx_data *tx) |
75 | { | 75 | { |
76 | u8 *data, *sa, *da, *key, *mic, qos_tid; | 76 | u8 *data, *sa, *da, *key, *mic, qos_tid; |
77 | size_t data_len; | 77 | size_t data_len; |
@@ -90,7 +90,7 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx) | |||
90 | return TX_DROP; | 90 | return TX_DROP; |
91 | 91 | ||
92 | if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) && | 92 | if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) && |
93 | !(tx->flags & IEEE80211_TXRXD_FRAGMENTED) && | 93 | !(tx->flags & IEEE80211_TX_FRAGMENTED) && |
94 | !(tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) && | 94 | !(tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) && |
95 | !wpa_test) { | 95 | !wpa_test) { |
96 | /* hwaccel - with no need for preallocated room for Michael MIC | 96 | /* hwaccel - with no need for preallocated room for Michael MIC |
@@ -124,7 +124,7 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx) | |||
124 | 124 | ||
125 | 125 | ||
126 | ieee80211_rx_result | 126 | ieee80211_rx_result |
127 | ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx) | 127 | ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx) |
128 | { | 128 | { |
129 | u8 *data, *sa, *da, *key = NULL, qos_tid; | 129 | u8 *data, *sa, *da, *key = NULL, qos_tid; |
130 | size_t data_len; | 130 | size_t data_len; |
@@ -139,7 +139,7 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx) | |||
139 | /* | 139 | /* |
140 | * No way to verify the MIC if the hardware stripped it | 140 | * No way to verify the MIC if the hardware stripped it |
141 | */ | 141 | */ |
142 | if (rx->u.rx.status->flag & RX_FLAG_MMIC_STRIPPED) | 142 | if (rx->status->flag & RX_FLAG_MMIC_STRIPPED) |
143 | return RX_CONTINUE; | 143 | return RX_CONTINUE; |
144 | 144 | ||
145 | if (!rx->key || rx->key->conf.alg != ALG_TKIP || | 145 | if (!rx->key || rx->key->conf.alg != ALG_TKIP || |
@@ -161,7 +161,7 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx) | |||
161 | ALG_TKIP_TEMP_AUTH_TX_MIC_KEY]; | 161 | ALG_TKIP_TEMP_AUTH_TX_MIC_KEY]; |
162 | michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic); | 162 | michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic); |
163 | if (memcmp(mic, data + data_len, MICHAEL_MIC_LEN) != 0 || wpa_test) { | 163 | if (memcmp(mic, data + data_len, MICHAEL_MIC_LEN) != 0 || wpa_test) { |
164 | if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) | 164 | if (!(rx->flags & IEEE80211_RX_RA_MATCH)) |
165 | return RX_DROP_UNUSABLE; | 165 | return RX_DROP_UNUSABLE; |
166 | 166 | ||
167 | printk(KERN_DEBUG "%s: invalid Michael MIC in data frame from " | 167 | printk(KERN_DEBUG "%s: invalid Michael MIC in data frame from " |
@@ -176,14 +176,14 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx) | |||
176 | skb_trim(skb, skb->len - MICHAEL_MIC_LEN); | 176 | skb_trim(skb, skb->len - MICHAEL_MIC_LEN); |
177 | 177 | ||
178 | /* update IV in key information to be able to detect replays */ | 178 | /* update IV in key information to be able to detect replays */ |
179 | rx->key->u.tkip.iv32_rx[rx->u.rx.queue] = rx->u.rx.tkip_iv32; | 179 | rx->key->u.tkip.iv32_rx[rx->queue] = rx->tkip_iv32; |
180 | rx->key->u.tkip.iv16_rx[rx->u.rx.queue] = rx->u.rx.tkip_iv16; | 180 | rx->key->u.tkip.iv16_rx[rx->queue] = rx->tkip_iv16; |
181 | 181 | ||
182 | return RX_CONTINUE; | 182 | return RX_CONTINUE; |
183 | } | 183 | } |
184 | 184 | ||
185 | 185 | ||
186 | static int tkip_encrypt_skb(struct ieee80211_txrx_data *tx, | 186 | static int tkip_encrypt_skb(struct ieee80211_tx_data *tx, |
187 | struct sk_buff *skb, int test) | 187 | struct sk_buff *skb, int test) |
188 | { | 188 | { |
189 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; | 189 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; |
@@ -228,7 +228,7 @@ static int tkip_encrypt_skb(struct ieee80211_txrx_data *tx, | |||
228 | 0x7f), | 228 | 0x7f), |
229 | (u8) key->u.tkip.iv16); | 229 | (u8) key->u.tkip.iv16); |
230 | 230 | ||
231 | tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx; | 231 | tx->control->key_idx = tx->key->conf.hw_key_idx; |
232 | return 0; | 232 | return 0; |
233 | } | 233 | } |
234 | 234 | ||
@@ -243,30 +243,30 @@ static int tkip_encrypt_skb(struct ieee80211_txrx_data *tx, | |||
243 | 243 | ||
244 | 244 | ||
245 | ieee80211_tx_result | 245 | ieee80211_tx_result |
246 | ieee80211_crypto_tkip_encrypt(struct ieee80211_txrx_data *tx) | 246 | ieee80211_crypto_tkip_encrypt(struct ieee80211_tx_data *tx) |
247 | { | 247 | { |
248 | struct sk_buff *skb = tx->skb; | 248 | struct sk_buff *skb = tx->skb; |
249 | int wpa_test = 0, test = 0; | 249 | int wpa_test = 0, test = 0; |
250 | 250 | ||
251 | tx->u.tx.control->icv_len = TKIP_ICV_LEN; | 251 | tx->control->icv_len = TKIP_ICV_LEN; |
252 | tx->u.tx.control->iv_len = TKIP_IV_LEN; | 252 | tx->control->iv_len = TKIP_IV_LEN; |
253 | ieee80211_tx_set_iswep(tx); | 253 | ieee80211_tx_set_protected(tx); |
254 | 254 | ||
255 | if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) && | 255 | if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) && |
256 | !(tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV) && | 256 | !(tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV) && |
257 | !wpa_test) { | 257 | !wpa_test) { |
258 | /* hwaccel - with no need for preallocated room for IV/ICV */ | 258 | /* hwaccel - with no need for preallocated room for IV/ICV */ |
259 | tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx; | 259 | tx->control->key_idx = tx->key->conf.hw_key_idx; |
260 | return TX_CONTINUE; | 260 | return TX_CONTINUE; |
261 | } | 261 | } |
262 | 262 | ||
263 | if (tkip_encrypt_skb(tx, skb, test) < 0) | 263 | if (tkip_encrypt_skb(tx, skb, test) < 0) |
264 | return TX_DROP; | 264 | return TX_DROP; |
265 | 265 | ||
266 | if (tx->u.tx.extra_frag) { | 266 | if (tx->extra_frag) { |
267 | int i; | 267 | int i; |
268 | for (i = 0; i < tx->u.tx.num_extra_frag; i++) { | 268 | for (i = 0; i < tx->num_extra_frag; i++) { |
269 | if (tkip_encrypt_skb(tx, tx->u.tx.extra_frag[i], test) | 269 | if (tkip_encrypt_skb(tx, tx->extra_frag[i], test) |
270 | < 0) | 270 | < 0) |
271 | return TX_DROP; | 271 | return TX_DROP; |
272 | } | 272 | } |
@@ -277,7 +277,7 @@ ieee80211_crypto_tkip_encrypt(struct ieee80211_txrx_data *tx) | |||
277 | 277 | ||
278 | 278 | ||
279 | ieee80211_rx_result | 279 | ieee80211_rx_result |
280 | ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx) | 280 | ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx) |
281 | { | 281 | { |
282 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; | 282 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; |
283 | u16 fc; | 283 | u16 fc; |
@@ -295,8 +295,8 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx) | |||
295 | if (!rx->sta || skb->len - hdrlen < 12) | 295 | if (!rx->sta || skb->len - hdrlen < 12) |
296 | return RX_DROP_UNUSABLE; | 296 | return RX_DROP_UNUSABLE; |
297 | 297 | ||
298 | if (rx->u.rx.status->flag & RX_FLAG_DECRYPTED) { | 298 | if (rx->status->flag & RX_FLAG_DECRYPTED) { |
299 | if (rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED) { | 299 | if (rx->status->flag & RX_FLAG_IV_STRIPPED) { |
300 | /* | 300 | /* |
301 | * Hardware took care of all processing, including | 301 | * Hardware took care of all processing, including |
302 | * replay protection, and stripped the ICV/IV so | 302 | * replay protection, and stripped the ICV/IV so |
@@ -312,9 +312,9 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx) | |||
312 | res = ieee80211_tkip_decrypt_data(rx->local->wep_rx_tfm, | 312 | res = ieee80211_tkip_decrypt_data(rx->local->wep_rx_tfm, |
313 | key, skb->data + hdrlen, | 313 | key, skb->data + hdrlen, |
314 | skb->len - hdrlen, rx->sta->addr, | 314 | skb->len - hdrlen, rx->sta->addr, |
315 | hwaccel, rx->u.rx.queue, | 315 | hwaccel, rx->queue, |
316 | &rx->u.rx.tkip_iv32, | 316 | &rx->tkip_iv32, |
317 | &rx->u.rx.tkip_iv16); | 317 | &rx->tkip_iv16); |
318 | if (res != TKIP_DECRYPT_OK || wpa_test) { | 318 | if (res != TKIP_DECRYPT_OK || wpa_test) { |
319 | #ifdef CONFIG_MAC80211_DEBUG | 319 | #ifdef CONFIG_MAC80211_DEBUG |
320 | if (net_ratelimit()) | 320 | if (net_ratelimit()) |
@@ -429,7 +429,7 @@ static inline int ccmp_hdr2pn(u8 *pn, u8 *hdr) | |||
429 | } | 429 | } |
430 | 430 | ||
431 | 431 | ||
432 | static int ccmp_encrypt_skb(struct ieee80211_txrx_data *tx, | 432 | static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, |
433 | struct sk_buff *skb, int test) | 433 | struct sk_buff *skb, int test) |
434 | { | 434 | { |
435 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; | 435 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; |
@@ -478,7 +478,7 @@ static int ccmp_encrypt_skb(struct ieee80211_txrx_data *tx, | |||
478 | 478 | ||
479 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) { | 479 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) { |
480 | /* hwaccel - with preallocated room for CCMP header */ | 480 | /* hwaccel - with preallocated room for CCMP header */ |
481 | tx->u.tx.control->key_idx = key->conf.hw_key_idx; | 481 | tx->control->key_idx = key->conf.hw_key_idx; |
482 | return 0; | 482 | return 0; |
483 | } | 483 | } |
484 | 484 | ||
@@ -492,30 +492,30 @@ static int ccmp_encrypt_skb(struct ieee80211_txrx_data *tx, | |||
492 | 492 | ||
493 | 493 | ||
494 | ieee80211_tx_result | 494 | ieee80211_tx_result |
495 | ieee80211_crypto_ccmp_encrypt(struct ieee80211_txrx_data *tx) | 495 | ieee80211_crypto_ccmp_encrypt(struct ieee80211_tx_data *tx) |
496 | { | 496 | { |
497 | struct sk_buff *skb = tx->skb; | 497 | struct sk_buff *skb = tx->skb; |
498 | int test = 0; | 498 | int test = 0; |
499 | 499 | ||
500 | tx->u.tx.control->icv_len = CCMP_MIC_LEN; | 500 | tx->control->icv_len = CCMP_MIC_LEN; |
501 | tx->u.tx.control->iv_len = CCMP_HDR_LEN; | 501 | tx->control->iv_len = CCMP_HDR_LEN; |
502 | ieee80211_tx_set_iswep(tx); | 502 | ieee80211_tx_set_protected(tx); |
503 | 503 | ||
504 | if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) && | 504 | if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) && |
505 | !(tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { | 505 | !(tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { |
506 | /* hwaccel - with no need for preallocated room for CCMP " | 506 | /* hwaccel - with no need for preallocated room for CCMP " |
507 | * header or MIC fields */ | 507 | * header or MIC fields */ |
508 | tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx; | 508 | tx->control->key_idx = tx->key->conf.hw_key_idx; |
509 | return TX_CONTINUE; | 509 | return TX_CONTINUE; |
510 | } | 510 | } |
511 | 511 | ||
512 | if (ccmp_encrypt_skb(tx, skb, test) < 0) | 512 | if (ccmp_encrypt_skb(tx, skb, test) < 0) |
513 | return TX_DROP; | 513 | return TX_DROP; |
514 | 514 | ||
515 | if (tx->u.tx.extra_frag) { | 515 | if (tx->extra_frag) { |
516 | int i; | 516 | int i; |
517 | for (i = 0; i < tx->u.tx.num_extra_frag; i++) { | 517 | for (i = 0; i < tx->num_extra_frag; i++) { |
518 | if (ccmp_encrypt_skb(tx, tx->u.tx.extra_frag[i], test) | 518 | if (ccmp_encrypt_skb(tx, tx->extra_frag[i], test) |
519 | < 0) | 519 | < 0) |
520 | return TX_DROP; | 520 | return TX_DROP; |
521 | } | 521 | } |
@@ -526,7 +526,7 @@ ieee80211_crypto_ccmp_encrypt(struct ieee80211_txrx_data *tx) | |||
526 | 526 | ||
527 | 527 | ||
528 | ieee80211_rx_result | 528 | ieee80211_rx_result |
529 | ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx) | 529 | ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx) |
530 | { | 530 | { |
531 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; | 531 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; |
532 | u16 fc; | 532 | u16 fc; |
@@ -547,15 +547,15 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx) | |||
547 | if (!rx->sta || data_len < 0) | 547 | if (!rx->sta || data_len < 0) |
548 | return RX_DROP_UNUSABLE; | 548 | return RX_DROP_UNUSABLE; |
549 | 549 | ||
550 | if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) && | 550 | if ((rx->status->flag & RX_FLAG_DECRYPTED) && |
551 | (rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED)) | 551 | (rx->status->flag & RX_FLAG_IV_STRIPPED)) |
552 | return RX_CONTINUE; | 552 | return RX_CONTINUE; |
553 | 553 | ||
554 | (void) ccmp_hdr2pn(pn, skb->data + hdrlen); | 554 | (void) ccmp_hdr2pn(pn, skb->data + hdrlen); |
555 | 555 | ||
556 | if (memcmp(pn, key->u.ccmp.rx_pn[rx->u.rx.queue], CCMP_PN_LEN) <= 0) { | 556 | if (memcmp(pn, key->u.ccmp.rx_pn[rx->queue], CCMP_PN_LEN) <= 0) { |
557 | #ifdef CONFIG_MAC80211_DEBUG | 557 | #ifdef CONFIG_MAC80211_DEBUG |
558 | u8 *ppn = key->u.ccmp.rx_pn[rx->u.rx.queue]; | 558 | u8 *ppn = key->u.ccmp.rx_pn[rx->queue]; |
559 | 559 | ||
560 | printk(KERN_DEBUG "%s: CCMP replay detected for RX frame from " | 560 | printk(KERN_DEBUG "%s: CCMP replay detected for RX frame from " |
561 | "%s (RX PN %02x%02x%02x%02x%02x%02x <= prev. PN " | 561 | "%s (RX PN %02x%02x%02x%02x%02x%02x <= prev. PN " |
@@ -568,7 +568,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx) | |||
568 | return RX_DROP_UNUSABLE; | 568 | return RX_DROP_UNUSABLE; |
569 | } | 569 | } |
570 | 570 | ||
571 | if (!(rx->u.rx.status->flag & RX_FLAG_DECRYPTED)) { | 571 | if (!(rx->status->flag & RX_FLAG_DECRYPTED)) { |
572 | /* hardware didn't decrypt/verify MIC */ | 572 | /* hardware didn't decrypt/verify MIC */ |
573 | u8 *scratch, *b_0, *aad; | 573 | u8 *scratch, *b_0, *aad; |
574 | 574 | ||
@@ -593,7 +593,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx) | |||
593 | } | 593 | } |
594 | } | 594 | } |
595 | 595 | ||
596 | memcpy(key->u.ccmp.rx_pn[rx->u.rx.queue], pn, CCMP_PN_LEN); | 596 | memcpy(key->u.ccmp.rx_pn[rx->queue], pn, CCMP_PN_LEN); |
597 | 597 | ||
598 | /* Remove CCMP header and MIC */ | 598 | /* Remove CCMP header and MIC */ |
599 | skb_trim(skb, skb->len - CCMP_MIC_LEN); | 599 | skb_trim(skb, skb->len - CCMP_MIC_LEN); |