From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm1-x336.google.com (mail-wm1-x336.google.com [IPv6:2a00:1450:4864:20::336]) by sourceware.org (Postfix) with ESMTPS id AC6663858D28 for ; Fri, 12 Aug 2022 12:22:43 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org AC6663858D28 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-wm1-x336.google.com with SMTP id az6-20020a05600c600600b003a530cebbe3so482384wmb.0 for ; Fri, 12 Aug 2022 05:22:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:from:references:to:content-language:subject:user-agent :mime-version:date:message-id:from:to:cc; bh=KHYPVF99DG0DjQhb3xP0Kv3UJZuluuN4hbQdKZUkGpE=; b=U1lu12Fon/eK+x9Ta3I7E9b7VaaA1cHGXSpTa0sQuG36fbKwP9UXKG0/wVFJWNX50S mYfEa1uC/pKOGVWESsm2+VPWNv7MkNUnmFfN0EfRzVPiBctMYo6OBKr3KitOlwpveYXz xNZAkWnwHym5H71g6/64/1MvUGPf4SbgZMbRgrBkpT9vA14DNLxOVNMqewS6fwLw+YlQ 4Lpyzk4fjqFNMclK7P18WAQ+uw1rD76tlnwOvRrDPmYcUPkPtsRo8+RZ9UxjbOubdWU3 ocqL5OPa2r287u5sQCXGgctpT2Uzt/2amZI82060ObOK+YdJ9X8oNimvsAWUN9Jzpkf5 JXuA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:from:references:to:content-language:subject:user-agent :mime-version:date:message-id:x-gm-message-state:from:to:cc; bh=KHYPVF99DG0DjQhb3xP0Kv3UJZuluuN4hbQdKZUkGpE=; b=70VZIWUJ0oYhhAY8KEoiYEu5ASIWypDE7XG4YQvnNp6KRN8141u5Wp7YVyxa+BPUlq mE+aFpwNL1z5GCCiUiptNfUiithVCNy1YkB1grCvgKB6NvgNZFp3UPtGcZ8yGFzjQgbN 2W1phsdtZCkyFdDHZcaAz0oQT3QA8nV4RDYD6mAD4eJePeOgWjNfxthJAu/WNwTKFyd4 cYeV/IiOOtGZLjn1Ek3AfcrIiNqusRAdzNt//IH0g62dfmHzTjF23wEDXjW2dt4RrPli rNGpVeO9qh2jux7OL1RekqwD+EaP6/16GH1Qyg9rBMI4wHNBcgrM29e7N9c0Ogzs6GnT BJfA== X-Gm-Message-State: ACgBeo3BTJZ9+shSU+FMXteTFwhR/7wItGALK6mAZsmDGgHbkzt9vnY6 7OtCrvUm3+4B5MkQoLKW/HAYi5/AtauEaQ== X-Google-Smtp-Source: AA6agR7HNNfUw6+YGKD8sgkT6/0P2VYwsLLfPmOiR91sxYvL+a7FQ0N7+WGM5bebNZFMIwqrIUChQA== X-Received: by 2002:a05:600c:20f:b0:3a5:a785:7f2a with SMTP id 15-20020a05600c020f00b003a5a7857f2amr8662634wmi.94.1660306962469; Fri, 12 Aug 2022 05:22:42 -0700 (PDT) Received: from [192.168.43.124] ([193.207.202.171]) by smtp.gmail.com with ESMTPSA id o9-20020a5d6849000000b0021eb309c97dsm1885845wrw.25.2022.08.12.05.22.41 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 12 Aug 2022 05:22:41 -0700 (PDT) Content-Type: multipart/mixed; boundary="------------m0j5YCJda2zgBqtTxi30OHaU" Message-ID: <1804efbc-25a7-8e31-1a2a-980bbca36510@gmail.com> Date: Fri, 12 Aug 2022 14:22:39 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.12.0 Subject: Re: Failed to get interface list while using ioctl (WSAIoctl) compiled by cygwin Content-Language: it To: cygwin@cygwin.com References: <40af4ac5.6664.18291ee6a7f.Coremail.malongfei1230@163.com> From: Marco Atzeri In-Reply-To: <40af4ac5.6664.18291ee6a7f.Coremail.malongfei1230@163.com> X-Spam-Status: No, score=-1.2 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, NICE_REPLY_A, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: cygwin@cygwin.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Aug 2022 12:22:45 -0000 This is a multi-part message in MIME format. --------------m0j5YCJda2zgBqtTxi30OHaU Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 12.08.2022 14:01, dragon wrote: > Hi, > > Thans for your attention. > > I had a problem doing porting the network part。I want to get a list of network devices that can be implemented on Linux with an ioctl interface. A set of ioctl interfaces is also provided on Windows called WSAIoctl with cmd SIO_GET_INTERFACE_LIST。The WSAIoctl interface is also encapsulated in cygwin and placed in /usr/include/w32api/, libs place in /usr/lib/w32api/ws2_32 . mixing Posix and W32 API is seldom a good idea. The attached code provides the full list of Network interface and some details as internal_name: {E9617ED6-8C03-4C53-AA3F-4FD6DBC596D5} flags: AF_INET6 up multicast address: fe80::9cbb:5d97:6ef:565%22 friendly_name: LAN-Verbindung* 2 feel free to modify it for your purpose Regards Marco --------------m0j5YCJda2zgBqtTxi30OHaU Content-Type: text/plain; charset=UTF-8; name="get-interface.c" Content-Disposition: attachment; filename="get-interface.c" Content-Transfer-Encoding: base64 LyogI2RlZmluZSBfR05VX1NPVVJDRSAgKiBUbyBnZXQgZGVmbnMgb2YgTklfTUFYU0VSViBh bmQgTklfTUFYSE9TVCAqLwojaW5jbHVkZSA8YXJwYS9pbmV0Lmg+CiNpbmNsdWRlIDxzeXMv c29ja2V0Lmg+CiNpbmNsdWRlIDxuZXRkYi5oPgojaW5jbHVkZSA8aWZhZGRycy5oPgojaW5j bHVkZSA8c3RkaW8uaD4KI2luY2x1ZGUgPHN0ZGxpYi5oPgojaW5jbHVkZSA8dW5pc3RkLmg+ CiNpbmNsdWRlIDxzdHJpbmcuaD4KI2luY2x1ZGUgPHN5cy9pb2N0bC5oPgojaW5jbHVkZSA8 bmV0L2lmLmg+CgoKdm9pZCBwcmludF9mbGFncyh1bnNpZ25lZCBpbnQgZmxhZ3MpCnsKICAg ICAgICBjb25zdCBjaGFyKiBzZXAgPSAiIiwgKnNwID0gIiAiOwogICAgICAgIGlmIChmbGFn cyAmIElGRl9VUCkgewogICAgICAgICAgICAgICAgcHJpbnRmKCIlc3VwIiwgc2VwKTsKICAg ICAgICAgICAgICAgIHNlcCA9IHNwOwogICAgICAgIH0KICAgICAgICBpZiAoZmxhZ3MgJiBJ RkZfQlJPQURDQVNUKSB7CiAgICAgICAgICAgICAgICBwcmludGYoIiVzYnJvYWRjYXN0Iiwg c2VwKTsKICAgICAgICAgICAgICAgIHNlcCA9IHNwOwogICAgICAgIH0KICAgICAgICBpZiAo ZmxhZ3MgJiBJRkZfTE9PUEJBQ0spIHsKICAgICAgICAgICAgICAgIHByaW50ZigiJXNsb29w YmFjayIsIHNlcCk7CiAgICAgICAgICAgICAgICBzZXAgPSBzcDsKICAgICAgICB9CiAgICAg ICAgaWYgKGZsYWdzICYgSUZGX05PVFJBSUxFUlMpIHsKICAgICAgICAgICAgICAgIHByaW50 ZigiJXNub3RyYWlsZXJzIiwgc2VwKTsKICAgICAgICAgICAgICAgIHNlcCA9IHNwOwogICAg ICAgIH0KICAgICAgICBpZiAoZmxhZ3MgJiBJRkZfUlVOTklORykgewogICAgICAgICAgICAg ICAgcHJpbnRmKCIlc3J1bm5pbmciLCBzZXApOwogICAgICAgICAgICAgICAgc2VwID0gc3A7 CiAgICAgICAgfQogICAgICAgIGlmIChmbGFncyAmIElGRl9QUk9NSVNDKSB7CiAgICAgICAg ICAgICAgICBwcmludGYoIiVzcHJvbWlzYyIsIHNlcCk7CiAgICAgICAgICAgICAgICBzZXAg PSBzcDsKICAgICAgICB9CiAgICAgICAgaWYgKGZsYWdzICYgSUZGX01VTFRJQ0FTVCkgewog ICAgICAgICAgICAgICAgcHJpbnRmKCIlc211bHRpY2FzdCIsIHNlcCk7CiAgICAgICAgICAg ICAgICBzZXAgPSBzcDsKICAgICAgICB9Cn0KCmludCBtYWluKGludCBhcmdjLCBjaGFyICph cmd2W10pCnsKICAgIHN0cnVjdCBpZmFkZHJzICppZmFkZHIsICppZmE7CiAgICBpbnQgZmFt aWx5LCBzLCBuOwogICAgY2hhciBob3N0W05JX01BWEhPU1RdOwoKICAgIHN0cnVjdCBpZnJl cSBpZnI7CiAgICBzdHJ1Y3QgaWZyZXFfZnJuZGx5bmFtZSBpZmY7CiAgICBzdHJ1Y3QgaWZy ZXFfZnJuZGx5bmFtZSAqIGlmZnA7CiAgICAKICAgIHN0cnVjdCBpZmFkZHJzX2h3ZGF0YSAq IGlmaHdkYXRhOwoKICAgIGlmIChnZXRpZmFkZHJzKCZpZmFkZHIpID09IC0xKSB7CiAgICAg ICAgcGVycm9yKCJnZXRpZmFkZHJzIik7CiAgICAgICAgZXhpdChFWElUX0ZBSUxVUkUpOwog ICAgfQoKICAgIC8qIFdhbGsgdGhyb3VnaCBsaW5rZWQgbGlzdCwgbWFpbnRhaW5pbmcgaGVh ZCBwb2ludGVyIHNvIHdlCiAgICAgICBjYW4gZnJlZSBsaXN0IGxhdGVyICovCgogICAgZm9y IChpZmEgPSBpZmFkZHIsIG4gPSAwOyBpZmEgIT0gTlVMTDsgaWZhID0gaWZhLT5pZmFfbmV4 dCwgbisrKSB7CiAgICAgICAgaWYgKGlmYS0+aWZhX2FkZHIgPT0gTlVMTCkKICAgICAgICAg ICAgY29udGludWU7CgogICAgICAgIGZhbWlseSA9IGlmYS0+aWZhX2FkZHItPnNhX2ZhbWls eTsKCiAgICAgICAgLyogRGlzcGxheSBpbnRlcmZhY2UgbmFtZSBhbmQgZmFtaWx5IChpbmNs dWRpbmcgc3ltYm9saWMKICAgICAgICAgICBmb3JtIG9mIHRoZSBsYXR0ZXIgZm9yIHRoZSBj b21tb24gZmFtaWxpZXMpICovCgogICAgICAgIHByaW50ZigiaW50ZXJuYWxfbmFtZTogXHQl c1xuIixpZmEtPmlmYV9uYW1lKTsKCglwcmludGYoIiBmbGFnczogXHQlcyAiLAogICAgICAg ICAgICAgICAoZmFtaWx5ID09IEFGX0lORVQpID8gIkFGX0lORVQgIiA6CiAgICAgICAgICAg ICAgIChmYW1pbHkgPT0gQUZfSU5FVDYpID8gIkFGX0lORVQ2IiA6ICJ1bmtub3duICIpOwoK ICAgICAgICBwcmludF9mbGFncyhpZmEtPmlmYV9mbGFncyk7CglwcmludGYoIlxuIik7Cgog ICAgICAgIC8qIEZvciBhbiBBRl9JTkVUKiBpbnRlcmZhY2UgYWRkcmVzcywgZGlzcGxheSB0 aGUgYWRkcmVzcyAqLwoKICAgICAgICBpZiAoZmFtaWx5ID09IEFGX0lORVQgfHwgZmFtaWx5 ID09IEFGX0lORVQ2KSB7CiAgICAgICAgICAgIHMgPSBnZXRuYW1laW5mbyhpZmEtPmlmYV9h ZGRyLAogICAgICAgICAgICAgICAgICAgIChmYW1pbHkgPT0gQUZfSU5FVCkgPyBzaXplb2Yo c3RydWN0IHNvY2thZGRyX2luKSA6CiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgIHNpemVvZihzdHJ1Y3Qgc29ja2FkZHJfaW42KSwKICAgICAgICAgICAgICAg ICAgICBob3N0LCBOSV9NQVhIT1NULAogICAgICAgICAgICAgICAgICAgIE5VTEwsIDAsIE5J X05VTUVSSUNIT1NUKTsKICAgICAgICAgICAgaWYgKHMgIT0gMCkgewogICAgICAgICAgICAg ICAgcHJpbnRmKCJnZXRuYW1laW5mbygpIGZhaWxlZDogJXNcbiIsIGdhaV9zdHJlcnJvcihz KSk7CiAgICAgICAgICAgICAgICBleGl0KEVYSVRfRkFJTFVSRSk7CiAgICAgICAgICAgIH0K CiAgICAgICAgICAgIHByaW50ZigiIGFkZHJlc3M6XHQlc1xuIiwgaG9zdCk7CiAgICAgICAg ICAgIGlmaHdkYXRhPWlmYS0+aWZhX2RhdGE7CiAgICAgICAgICAgIGlmZnA9JihpZmh3ZGF0 YS0+aWZhX2ZybmRseW5hbWUpOwogICAgICAgICAgICBwcmludGYoIiBmcmllbmRseV9uYW1l Olx0JXNcblxuIiwgaWZmcC0+aWZyZl9mcmllbmRseW5hbWUpOwoKICAgICAgICB9CiAgICB9 CgogICAgZnJlZWlmYWRkcnMoaWZhZGRyKTsKICAgIGV4aXQoRVhJVF9TVUNDRVNTKTsKfQo= --------------m0j5YCJda2zgBqtTxi30OHaU--