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https://github.com/vanhoefm/fragattacks.git
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mka: Get rid of struct ieee802_1x_cp_conf
Instead of copying from kay to a temporary struct, and then from the struct to the sm, just copy from kay to cp. Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
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07a6bfe1d2
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@ -184,16 +184,13 @@ SM_STATE(CP, AUTHENTICATED)
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SM_STATE(CP, SECURED)
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{
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struct ieee802_1x_cp_conf conf;
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SM_ENTRY(CP, SECURED);
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sm->chgd_server = FALSE;
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ieee802_1x_kay_cp_conf(sm->kay, &conf);
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sm->protect_frames = conf.protect;
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sm->replay_protect = conf.replay_protect;
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sm->validate_frames = conf.validate;
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sm->protect_frames = sm->kay->macsec_protect;
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sm->replay_protect = sm->kay->macsec_replay_protect;
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sm->validate_frames = sm->kay->macsec_validate;
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/* NOTE: now no other than default cipher suite (AES-GCM-128) */
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sm->current_cipher_suite = sm->cipher_suite;
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@ -426,9 +423,7 @@ SM_STEP(CP)
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/**
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* ieee802_1x_cp_sm_init -
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*/
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struct ieee802_1x_cp_sm * ieee802_1x_cp_sm_init(
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struct ieee802_1x_kay *kay,
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struct ieee802_1x_cp_conf *pcp_conf)
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struct ieee802_1x_cp_sm * ieee802_1x_cp_sm_init(struct ieee802_1x_kay *kay)
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{
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struct ieee802_1x_cp_sm *sm;
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@ -444,10 +439,10 @@ struct ieee802_1x_cp_sm * ieee802_1x_cp_sm_init(
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sm->chgd_server = FALSE;
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sm->protect_frames = pcp_conf->protect;
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sm->validate_frames = pcp_conf->validate;
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sm->replay_protect = pcp_conf->replay_protect;
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sm->replay_window = pcp_conf->replay_window;
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sm->protect_frames = kay->macsec_protect;
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sm->validate_frames = kay->macsec_validate;
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sm->replay_protect = kay->macsec_replay_protect;
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sm->replay_window = kay->macsec_replay_window;
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sm->controlled_port_enabled = FALSE;
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@ -16,17 +16,7 @@ struct ieee802_1x_cp_sm;
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struct ieee802_1x_kay;
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struct ieee802_1x_mka_ki;
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struct ieee802_1x_cp_conf {
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Boolean protect;
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Boolean replay_protect;
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enum validate_frames validate;
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u32 replay_window;
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};
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struct ieee802_1x_cp_sm *
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ieee802_1x_cp_sm_init(struct ieee802_1x_kay *kay,
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struct ieee802_1x_cp_conf *pcp_conf);
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struct ieee802_1x_cp_sm * ieee802_1x_cp_sm_init(struct ieee802_1x_kay *kay);
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void ieee802_1x_cp_sm_deinit(struct ieee802_1x_cp_sm *sm);
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void ieee802_1x_cp_sm_step(void *cp_ctx);
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void ieee802_1x_cp_connect_pending(void *cp_ctx);
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@ -2827,38 +2827,6 @@ int ieee802_1x_kay_enable_new_info(struct ieee802_1x_kay *kay)
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}
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/**
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* ieee802_1x_kay_cp_conf -
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*/
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int ieee802_1x_kay_cp_conf(struct ieee802_1x_kay *kay,
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struct ieee802_1x_cp_conf *pconf)
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{
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pconf->protect = kay->macsec_protect;
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pconf->replay_protect = kay->macsec_replay_protect;
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pconf->validate = kay->macsec_validate;
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return 0;
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}
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/**
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* ieee802_1x_kay_alloc_cp_sm -
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*/
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static struct ieee802_1x_cp_sm *
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ieee802_1x_kay_alloc_cp_sm(struct ieee802_1x_kay *kay)
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{
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struct ieee802_1x_cp_conf conf;
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os_memset(&conf, 0, sizeof(conf));
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conf.protect = kay->macsec_protect;
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conf.replay_protect = kay->macsec_replay_protect;
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conf.validate = kay->macsec_validate;
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conf.replay_window = kay->macsec_replay_window;
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return ieee802_1x_cp_sm_init(kay, &conf);
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}
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/**
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* ieee802_1x_kay_mkpdu_sanity_check -
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* sanity check specified in clause 11.11.2 of IEEE802.1X-2010
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@ -3178,7 +3146,7 @@ ieee802_1x_kay_init(struct ieee802_1x_kay_ctx *ctx, enum macsec_policy policy,
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wpa_printf(MSG_DEBUG, "KaY: secy init macsec done");
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/* init CP */
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kay->cp = ieee802_1x_kay_alloc_cp_sm(kay);
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kay->cp = ieee802_1x_cp_sm_init(kay);
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if (kay->cp == NULL) {
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ieee802_1x_kay_deinit(kay);
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return NULL;
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@ -14,7 +14,6 @@
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#include "common/ieee802_1x_defs.h"
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struct macsec_init_params;
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struct ieee802_1x_cp_conf;
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#define MI_LEN 12
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#define MAX_KEY_LEN 32 /* 32 bytes, 256 bits */
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@ -186,7 +185,5 @@ int ieee802_1x_kay_enable_tx_sas(struct ieee802_1x_kay *kay,
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int ieee802_1x_kay_enable_rx_sas(struct ieee802_1x_kay *kay,
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struct ieee802_1x_mka_ki *lki);
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int ieee802_1x_kay_enable_new_info(struct ieee802_1x_kay *kay);
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int ieee802_1x_kay_cp_conf(struct ieee802_1x_kay *kay,
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struct ieee802_1x_cp_conf *pconf);
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#endif /* IEEE802_1X_KAY_H */
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