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[23.128.96.18]) by mx.google.com with ESMTP id b5si11102962edu.182.2020.05.26.07.04.36; Tue, 26 May 2020 07:05:21 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-bluetooth-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20161025 header.b=EJG0Ttr1; spf=pass (google.com: domain of linux-bluetooth-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-bluetooth-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727926AbgEZNxf (ORCPT + 99 others); Tue, 26 May 2020 09:53:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40984 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726930AbgEZNxe (ORCPT ); Tue, 26 May 2020 09:53:34 -0400 Received: from mail-lj1-x241.google.com (mail-lj1-x241.google.com [IPv6:2a00:1450:4864:20::241]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 92B4DC03E96D for ; Tue, 26 May 2020 06:53:34 -0700 (PDT) Received: by mail-lj1-x241.google.com with SMTP id z13so14923462ljn.7 for ; Tue, 26 May 2020 06:53:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=V6/mS+t8KBNPrOLQOHLnB//9xrE4zPmgkwriRxnSerE=; b=EJG0Ttr1DQJngO5cTdn6kur6heaUn6MVBvBgDUsifrXqNjL09hV8D0jarQTIIItCTx sHaOj27fctgj3Hf4ETUvBWqCs72+qfS6iqRgNgOb7qS4kqyMu9PDaB7WoSjIL9giOGN5 hcElkCEjK15XMzXSquiuqED6efsd4Uq6G2WxBACx+xCBHiWAafXBz7CRV2YM85NiqKp5 yVurjdr6oPJSgsuyesliMmqUAeUOa+e3Exrh8+3n/cZ/JDNGhKNIzVspmxpJR8Qk04g8 tLqal5I96l3Sf+mgbC2Zz+6hb1DMl46XyV3MUW2Wc3bO9UUw5bHS1e7ccJvZqNM84E/H 7V7w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=V6/mS+t8KBNPrOLQOHLnB//9xrE4zPmgkwriRxnSerE=; b=YbZKAInXxdOrqPz4lRbJ0W8F7vsaZOJbsXzfBG92wEJVmUtsqUWGoPtLH5W6tzkGsy A/42OwT8Ot0vfbTRyHNS+9xVhpsqt+G26csuSPQunVdayilBC79Q+5pf6y6GQ3fCA97X iO9QpTP9QPFdrrYCFKpVDdexMMsB+1Lwl5J5NknpjZW6NhIazfofNuD9L6ZYmx/DgC61 DjJWSSwxxV2AaAmlzPapei/9o1YUAbSk/yRtuAnBmL3x+InGKACzcUK47bxt4TSkvNH4 lDLSQpme3rAxHkSXu1nl/aotFONo6tdzv4darYCZkMC3vrfrybkxUO4SCY7/oUzWE8o4 h21g== X-Gm-Message-State: AOAM532AeD3QPE0eTEIFUH1Y6Qwrnghy+09ekVoszAKWDRGRL/FLYta1 Z4c4YX5HutC+RaSL5zgYjy+FgKtsHnMKhehsV++EZ05tgM4= X-Received: by 2002:a2e:8006:: with SMTP id j6mr619347ljg.256.1590501212854; Tue, 26 May 2020 06:53:32 -0700 (PDT) MIME-Version: 1.0 References: <20200519202519.219335-1-luiz.dentz@gmail.com> <20200519202519.219335-2-luiz.dentz@gmail.com> In-Reply-To: From: Alain Michaud Date: Tue, 26 May 2020 09:53:21 -0400 Message-ID: Subject: Re: [PATCH 2/4] Bluetooth: Fix assuming EIR flags can result in SSP authentication To: Marcel Holtmann Cc: Luiz Augusto von Dentz , BlueZ Content-Type: text/plain; charset="UTF-8" Sender: linux-bluetooth-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org Hi Marcel and Luiz, Starting with the 2.1 specification, it is my interpretation that it is not valid to support EIR but not SSP. I understand that SSP may be disabled from BlueZ's point of view, but this doesn't seem to be a legitimate/qualifiable configuration. Should we instead fail the legacy pairing if EIR was received as an invalid condition? Thanks, Alain On Wed, May 20, 2020 at 10:35 AM Marcel Holtmann wrote: > > Hi Luiz, > > > EIR flags should just hint if SSP may be supported but we shall verify > > this with use of the actual features as the SSP bits may be disabled in > > the lower layers which would result in legacy authentication to be > > used. > > > > Signed-off-by: Luiz Augusto von Dentz > > --- > > net/bluetooth/hci_conn.c | 2 -- > > 1 file changed, 2 deletions(-) > > patch has been applied to bluetooth-next tree. > > Regards > > Marcel >