From patchwork Wed Dec 20 15:19:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Berg X-Patchwork-Id: 13500240 X-Patchwork-Delegate: johannes@sipsolutions.net Received: from sipsolutions.net (s3.sipsolutions.net [168.119.38.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 760E246533; Wed, 20 Dec 2023 15:20:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sipsolutions.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sipsolutions.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sipsolutions.net header.i=@sipsolutions.net header.b="L+YZvCoQ" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Content-Type:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=+yj8VuP41eiiySVWvgWGyveaqTwxGCtRrmJYyT2kki4=; t=1703085604; x=1704295204; b=L+YZvCoQGMy9r61lQBSa6B3olE1vo7g9DciL+mgZFgRvKD2 FwqoJquMKRUh0Ca8kvhthIKfc1gxoNek6GYKi86kCzojPkeI/iJYDBgYhOpaMZj0ybmClRcxO3aJQ Ys0BsoLUJUrBQ8ox5V2aYfEOuOyHE8yMqDCbxyDpYZw+oY4ufz8ykeltDfFU+50RfMEsxDtQ/uKzk KG4derxx//XjPDxWXUByCd09XGHQDMq1LHZXwt0NfxIagWizPBqNjFqL5LkXUYUIBWL5NFIciXpPt jOZuKHIYZpOzj6OJ91E1e3JexO661crEmzZE0FmbxhXxl4zsE8L7/gmtmF0wBjiw==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.97) (envelope-from ) id 1rFyMb-00000001WFz-3Yhn; Wed, 20 Dec 2023 16:20:02 +0100 From: benjamin@sipsolutions.net To: linux-wireless@vger.kernel.org, linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com Cc: Johannes Berg , Gregory Greenman Subject: [PATCH 5/6] wifi: mac80211: kunit: extend MFP tests Date: Wed, 20 Dec 2023 16:19:51 +0100 Message-ID: <20231220151952.415232-6-benjamin@sipsolutions.net> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231220151952.415232-1-benjamin@sipsolutions.net> References: <20231220151952.415232-1-benjamin@sipsolutions.net> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Johannes Berg Extend the MFP tests to handle the case of deauth/disassoc and robust action frames (that are not protected dual of public action frames). Signed-off-by: Johannes Berg Reviewed-by: Gregory Greenman --- net/mac80211/tests/mfp.c | 74 +++++++++++++++++++++++++++++++++++++--- 1 file changed, 70 insertions(+), 4 deletions(-) diff --git a/net/mac80211/tests/mfp.c b/net/mac80211/tests/mfp.c index 6ec31386c0df..a8dc1601da60 100644 --- a/net/mac80211/tests/mfp.c +++ b/net/mac80211/tests/mfp.c @@ -13,7 +13,7 @@ MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING); static const struct mfp_test_case { const char *desc; - bool sta, mfp, decrypted, unicast; + bool sta, mfp, decrypted, unicast, assoc; u8 category; u8 stype; u8 action; @@ -151,13 +151,67 @@ static const struct mfp_test_case { .mfp = true, .result = RX_CONTINUE, }, + /* deauth/disassoc before keys are set */ + { + .desc = "deauth: accept unicast with MFP but w/o key", + .stype = IEEE80211_STYPE_DEAUTH, + .sta = true, + .mfp = true, + .unicast = true, + .result = RX_CONTINUE, + }, + { + .desc = "disassoc: accept unicast with MFP but w/o key", + .stype = IEEE80211_STYPE_DEAUTH, + .sta = true, + .mfp = true, + .unicast = true, + .result = RX_CONTINUE, + }, + /* non-public robust action frame ... */ + { + .desc = "BA action: drop unicast before assoc", + .stype = IEEE80211_STYPE_ACTION, + .category = WLAN_CATEGORY_BACK, + .unicast = true, + .sta = true, + .result = RX_DROP_U_UNPROT_ROBUST_ACTION, + }, + { + .desc = "BA action: drop unprotected after assoc", + .stype = IEEE80211_STYPE_ACTION, + .category = WLAN_CATEGORY_BACK, + .unicast = true, + .sta = true, + .mfp = true, + .result = RX_DROP_U_UNPROT_UCAST_MGMT, + }, + { + .desc = "BA action: accept unprotected without MFP", + .stype = IEEE80211_STYPE_ACTION, + .category = WLAN_CATEGORY_BACK, + .unicast = true, + .sta = true, + .assoc = true, + .mfp = false, + .result = RX_CONTINUE, + }, + { + .desc = "BA action: drop unprotected with MFP", + .stype = IEEE80211_STYPE_ACTION, + .category = WLAN_CATEGORY_BACK, + .unicast = true, + .sta = true, + .mfp = true, + .result = RX_DROP_U_UNPROT_UCAST_MGMT, + }, }; KUNIT_ARRAY_PARAM_DESC(accept_mfp, accept_mfp_cases, desc); static void accept_mfp(struct kunit *test) { - static struct sta_info sta = {}; + static struct sta_info sta; const struct mfp_test_case *params = test->param_value; struct ieee80211_rx_data rx = { .sta = params->sta ? &sta : NULL, @@ -171,6 +225,8 @@ static void accept_mfp(struct kunit *test) /* A3/BSSID doesn't matter here */ }; + memset(&sta, 0, sizeof(sta)); + if (!params->sta) { KUNIT_ASSERT_FALSE(test, params->mfp); KUNIT_ASSERT_FALSE(test, params->decrypted); @@ -179,6 +235,9 @@ static void accept_mfp(struct kunit *test) if (params->mfp) set_sta_flag(&sta, WLAN_STA_MFP); + if (params->assoc) + set_bit(WLAN_STA_ASSOC, &sta._flags); + rx.skb = kunit_zalloc_skb(test, 128, GFP_KERNEL); KUNIT_ASSERT_NOT_NULL(test, rx.skb); status = IEEE80211_SKB_RXCB(rx.skb); @@ -200,11 +259,18 @@ static void accept_mfp(struct kunit *test) skb_put_u8(rx.skb, params->category); skb_put_u8(rx.skb, params->action); break; + case IEEE80211_STYPE_DEAUTH: + case IEEE80211_STYPE_DISASSOC: { + __le16 reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED); + + skb_put_data(rx.skb, &reason, sizeof(reason)); + } + break; } KUNIT_EXPECT_EQ(test, - ieee80211_drop_unencrypted_mgmt(&rx), - params->result); + (__force u32)ieee80211_drop_unencrypted_mgmt(&rx), + (__force u32)params->result); } static struct kunit_case mfp_test_cases[] = {