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a/kernel-generic-4.19.13-x86_64-1.txz: Upgraded. a/kernel-huge-4.19.13-x86_64-1.txz: Upgraded. a/kernel-modules-4.19.13-x86_64-1.txz: Upgraded. d/doxygen-1.8.15-x86_64-1.txz: Upgraded. d/kernel-headers-4.19.13-x86-1.txz: Upgraded. k/kernel-source-4.19.13-noarch-1.txz: Upgraded. FRAMEBUFFER_CONSOLE_DEFERRED_TAKEOVER y -> n l/libsecret-0.18.7-x86_64-1.txz: Upgraded. n/wpa_supplicant-2.6-x86_64-6.txz: Upgraded. It seems we're not the only ones with broken WPA2-Enterprise support with wpa_supplicant-2.7, so we'll fix it the same way as everyone else - by reverting to wpa_supplicant-2.6 for now. isolinux/initrd.img: Rebuilt. kernels/*: Upgraded. testing/packages/wpa_supplicant-2.7-x86_64-2.txz: Upgraded. Applied a patch from Gentoo to allow building CONFIG_IEEE80211X=y without the experimental CONFIG_FILS=y option. usb-and-pxe-installers/usbboot.img: Rebuilt.
64 lines
1.9 KiB
Diff
64 lines
1.9 KiB
Diff
From 12fac09b437a1dc8a0f253e265934a8aaf4d2f8b Mon Sep 17 00:00:00 2001
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From: Jouni Malinen <j@w1.fi>
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Date: Sun, 1 Oct 2017 12:32:57 +0300
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Subject: [PATCH 5/8] Fix PTK rekeying to generate a new ANonce
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The Authenticator state machine path for PTK rekeying ended up bypassing
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the AUTHENTICATION2 state where a new ANonce is generated when going
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directly to the PTKSTART state since there is no need to try to
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determine the PMK again in such a case. This is far from ideal since the
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new PTK would depend on a new nonce only from the supplicant.
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Fix this by generating a new ANonce when moving to the PTKSTART state
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for the purpose of starting new 4-way handshake to rekey PTK.
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Signed-off-by: Jouni Malinen <j@w1.fi>
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---
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src/ap/wpa_auth.c | 24 +++++++++++++++++++++---
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1 file changed, 21 insertions(+), 3 deletions(-)
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diff --git a/src/ap/wpa_auth.c b/src/ap/wpa_auth.c
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index 707971d..bf10cc1 100644
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--- a/src/ap/wpa_auth.c
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+++ b/src/ap/wpa_auth.c
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@@ -1901,6 +1901,21 @@ SM_STATE(WPA_PTK, AUTHENTICATION2)
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}
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+static int wpa_auth_sm_ptk_update(struct wpa_state_machine *sm)
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+{
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+ if (random_get_bytes(sm->ANonce, WPA_NONCE_LEN)) {
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+ wpa_printf(MSG_ERROR,
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+ "WPA: Failed to get random data for ANonce");
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+ sm->Disconnect = TRUE;
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+ return -1;
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+ }
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+ wpa_hexdump(MSG_DEBUG, "WPA: Assign new ANonce", sm->ANonce,
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+ WPA_NONCE_LEN);
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+ sm->TimeoutCtr = 0;
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+ return 0;
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+}
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+
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+
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SM_STATE(WPA_PTK, INITPMK)
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{
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u8 msk[2 * PMK_LEN];
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@@ -2458,9 +2473,12 @@ SM_STEP(WPA_PTK)
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SM_ENTER(WPA_PTK, AUTHENTICATION);
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else if (sm->ReAuthenticationRequest)
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SM_ENTER(WPA_PTK, AUTHENTICATION2);
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- else if (sm->PTKRequest)
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- SM_ENTER(WPA_PTK, PTKSTART);
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- else switch (sm->wpa_ptk_state) {
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+ else if (sm->PTKRequest) {
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+ if (wpa_auth_sm_ptk_update(sm) < 0)
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+ SM_ENTER(WPA_PTK, DISCONNECTED);
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+ else
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+ SM_ENTER(WPA_PTK, PTKSTART);
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+ } else switch (sm->wpa_ptk_state) {
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case WPA_PTK_INITIALIZE:
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break;
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case WPA_PTK_DISCONNECT:
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--
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2.7.4
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