diff options
Diffstat (limited to 'net-wireless/hostapd/files/2017-1/rebased-v2.6-0003-Extend-protection-of-GTK-IGTK-reinstallation-of-WNM-.patch')
| -rw-r--r-- | net-wireless/hostapd/files/2017-1/rebased-v2.6-0003-Extend-protection-of-GTK-IGTK-reinstallation-of-WNM-.patch | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/net-wireless/hostapd/files/2017-1/rebased-v2.6-0003-Extend-protection-of-GTK-IGTK-reinstallation-of-WNM-.patch b/net-wireless/hostapd/files/2017-1/rebased-v2.6-0003-Extend-protection-of-GTK-IGTK-reinstallation-of-WNM-.patch deleted file mode 100644 index e2937b851ad5..000000000000 --- a/net-wireless/hostapd/files/2017-1/rebased-v2.6-0003-Extend-protection-of-GTK-IGTK-reinstallation-of-WNM-.patch +++ /dev/null @@ -1,184 +0,0 @@ -From 8280294e74846ea342389a0cd17215050fa5afe8 Mon Sep 17 00:00:00 2001 -From: Jouni Malinen <j@w1.fi> -Date: Sun, 1 Oct 2017 12:12:24 +0300 -Subject: [PATCH 3/8] Extend protection of GTK/IGTK reinstallation of WNM-Sleep - Mode cases - -This extends the protection to track last configured GTK/IGTK value -separately from EAPOL-Key frames and WNM-Sleep Mode frames to cover a -corner case where these two different mechanisms may get used when the -GTK/IGTK has changed and tracking a single value is not sufficient to -detect a possible key reconfiguration. - -Signed-off-by: Jouni Malinen <j@w1.fi> ---- - src/rsn_supp/wpa.c | 53 +++++++++++++++++++++++++++++++++++++--------------- - src/rsn_supp/wpa_i.h | 2 ++ - 2 files changed, 40 insertions(+), 15 deletions(-) - -diff --git a/src/rsn_supp/wpa.c b/src/rsn_supp/wpa.c -index 95bd7be..7a2c68d 100644 ---- a/src/rsn_supp/wpa.c -+++ b/src/rsn_supp/wpa.c -@@ -709,14 +709,17 @@ struct wpa_gtk_data { - - static int wpa_supplicant_install_gtk(struct wpa_sm *sm, - const struct wpa_gtk_data *gd, -- const u8 *key_rsc) -+ const u8 *key_rsc, int wnm_sleep) - { - const u8 *_gtk = gd->gtk; - u8 gtk_buf[32]; - - /* Detect possible key reinstallation */ -- if (sm->gtk.gtk_len == (size_t) gd->gtk_len && -- os_memcmp(sm->gtk.gtk, gd->gtk, sm->gtk.gtk_len) == 0) { -+ if ((sm->gtk.gtk_len == (size_t) gd->gtk_len && -+ os_memcmp(sm->gtk.gtk, gd->gtk, sm->gtk.gtk_len) == 0) || -+ (sm->gtk_wnm_sleep.gtk_len == (size_t) gd->gtk_len && -+ os_memcmp(sm->gtk_wnm_sleep.gtk, gd->gtk, -+ sm->gtk_wnm_sleep.gtk_len) == 0)) { - wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, - "WPA: Not reinstalling already in-use GTK to the driver (keyidx=%d tx=%d len=%d)", - gd->keyidx, gd->tx, gd->gtk_len); -@@ -757,8 +760,14 @@ static int wpa_supplicant_install_gtk(struct wpa_sm *sm, - } - os_memset(gtk_buf, 0, sizeof(gtk_buf)); - -- sm->gtk.gtk_len = gd->gtk_len; -- os_memcpy(sm->gtk.gtk, gd->gtk, sm->gtk.gtk_len); -+ if (wnm_sleep) { -+ sm->gtk_wnm_sleep.gtk_len = gd->gtk_len; -+ os_memcpy(sm->gtk_wnm_sleep.gtk, gd->gtk, -+ sm->gtk_wnm_sleep.gtk_len); -+ } else { -+ sm->gtk.gtk_len = gd->gtk_len; -+ os_memcpy(sm->gtk.gtk, gd->gtk, sm->gtk.gtk_len); -+ } - - return 0; - } -@@ -852,7 +861,7 @@ static int wpa_supplicant_pairwise_gtk(struct wpa_sm *sm, - (wpa_supplicant_check_group_cipher(sm, sm->group_cipher, - gtk_len, gtk_len, - &gd.key_rsc_len, &gd.alg) || -- wpa_supplicant_install_gtk(sm, &gd, key_rsc))) { -+ wpa_supplicant_install_gtk(sm, &gd, key_rsc, 0))) { - wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, - "RSN: Failed to install GTK"); - os_memset(&gd, 0, sizeof(gd)); -@@ -868,14 +877,18 @@ static int wpa_supplicant_pairwise_gtk(struct wpa_sm *sm, - - #ifdef CONFIG_IEEE80211W - static int wpa_supplicant_install_igtk(struct wpa_sm *sm, -- const struct wpa_igtk_kde *igtk) -+ const struct wpa_igtk_kde *igtk, -+ int wnm_sleep) - { - size_t len = wpa_cipher_key_len(sm->mgmt_group_cipher); - u16 keyidx = WPA_GET_LE16(igtk->keyid); - - /* Detect possible key reinstallation */ -- if (sm->igtk.igtk_len == len && -- os_memcmp(sm->igtk.igtk, igtk->igtk, sm->igtk.igtk_len) == 0) { -+ if ((sm->igtk.igtk_len == len && -+ os_memcmp(sm->igtk.igtk, igtk->igtk, sm->igtk.igtk_len) == 0) || -+ (sm->igtk_wnm_sleep.igtk_len == len && -+ os_memcmp(sm->igtk_wnm_sleep.igtk, igtk->igtk, -+ sm->igtk_wnm_sleep.igtk_len) == 0)) { - wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, - "WPA: Not reinstalling already in-use IGTK to the driver (keyidx=%d)", - keyidx); -@@ -900,8 +913,14 @@ static int wpa_supplicant_install_igtk(struct wpa_sm *sm, - return -1; - } - -- sm->igtk.igtk_len = len; -- os_memcpy(sm->igtk.igtk, igtk->igtk, sm->igtk.igtk_len); -+ if (wnm_sleep) { -+ sm->igtk_wnm_sleep.igtk_len = len; -+ os_memcpy(sm->igtk_wnm_sleep.igtk, igtk->igtk, -+ sm->igtk_wnm_sleep.igtk_len); -+ } else { -+ sm->igtk.igtk_len = len; -+ os_memcpy(sm->igtk.igtk, igtk->igtk, sm->igtk.igtk_len); -+ } - - return 0; - } -@@ -924,7 +943,7 @@ static int ieee80211w_set_keys(struct wpa_sm *sm, - return -1; - - igtk = (const struct wpa_igtk_kde *) ie->igtk; -- if (wpa_supplicant_install_igtk(sm, igtk) < 0) -+ if (wpa_supplicant_install_igtk(sm, igtk, 0) < 0) - return -1; - } - -@@ -1574,7 +1593,7 @@ static void wpa_supplicant_process_1_of_2(struct wpa_sm *sm, - if (wpa_supplicant_rsc_relaxation(sm, key->key_rsc)) - key_rsc = null_rsc; - -- if (wpa_supplicant_install_gtk(sm, &gd, key_rsc) || -+ if (wpa_supplicant_install_gtk(sm, &gd, key_rsc, 0) || - wpa_supplicant_send_2_of_2(sm, key, ver, key_info) < 0) - goto failed; - os_memset(&gd, 0, sizeof(gd)); -@@ -2386,8 +2405,10 @@ void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid) - sm->tptk_set = 0; - os_memset(&sm->tptk, 0, sizeof(sm->tptk)); - os_memset(&sm->gtk, 0, sizeof(sm->gtk)); -+ os_memset(&sm->gtk_wnm_sleep, 0, sizeof(sm->gtk_wnm_sleep)); - #ifdef CONFIG_IEEE80211W - os_memset(&sm->igtk, 0, sizeof(sm->igtk)); -+ os_memset(&sm->igtk_wnm_sleep, 0, sizeof(sm->igtk_wnm_sleep)); - #endif /* CONFIG_IEEE80211W */ - } - -@@ -2920,8 +2941,10 @@ void wpa_sm_drop_sa(struct wpa_sm *sm) - os_memset(&sm->ptk, 0, sizeof(sm->ptk)); - os_memset(&sm->tptk, 0, sizeof(sm->tptk)); - os_memset(&sm->gtk, 0, sizeof(sm->gtk)); -+ os_memset(&sm->gtk_wnm_sleep, 0, sizeof(sm->gtk_wnm_sleep)); - #ifdef CONFIG_IEEE80211W - os_memset(&sm->igtk, 0, sizeof(sm->igtk)); -+ os_memset(&sm->igtk_wnm_sleep, 0, sizeof(sm->igtk_wnm_sleep)); - #endif /* CONFIG_IEEE80211W */ - #ifdef CONFIG_IEEE80211R - os_memset(sm->xxkey, 0, sizeof(sm->xxkey)); -@@ -2986,7 +3009,7 @@ int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf) - - wpa_hexdump_key(MSG_DEBUG, "Install GTK (WNM SLEEP)", - gd.gtk, gd.gtk_len); -- if (wpa_supplicant_install_gtk(sm, &gd, key_rsc)) { -+ if (wpa_supplicant_install_gtk(sm, &gd, key_rsc, 1)) { - os_memset(&gd, 0, sizeof(gd)); - wpa_printf(MSG_DEBUG, "Failed to install the GTK in " - "WNM mode"); -@@ -2998,7 +3021,7 @@ int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf) - const struct wpa_igtk_kde *igtk; - - igtk = (const struct wpa_igtk_kde *) (buf + 2); -- if (wpa_supplicant_install_igtk(sm, igtk) < 0) -+ if (wpa_supplicant_install_igtk(sm, igtk, 1) < 0) - return -1; - #endif /* CONFIG_IEEE80211W */ - } else { -diff --git a/src/rsn_supp/wpa_i.h b/src/rsn_supp/wpa_i.h -index afc9e37..9a54631 100644 ---- a/src/rsn_supp/wpa_i.h -+++ b/src/rsn_supp/wpa_i.h -@@ -32,8 +32,10 @@ struct wpa_sm { - int rx_replay_counter_set; - u8 request_counter[WPA_REPLAY_COUNTER_LEN]; - struct wpa_gtk gtk; -+ struct wpa_gtk gtk_wnm_sleep; - #ifdef CONFIG_IEEE80211W - struct wpa_igtk igtk; -+ struct wpa_igtk igtk_wnm_sleep; - #endif /* CONFIG_IEEE80211W */ - - struct eapol_sm *eapol; /* EAPOL state machine from upper level code */ --- -2.7.4 - |