我正在尝试从 SSL 证书中读取信息(在这种情况下,我通过 Chrome 保存了 StackOverflow 的副本)但由于某种原因,当我在 Linux Docker 容器中构建并运行它时,它失败了输出任何东西。
在 Windows 上,输出是我所期望的:
S
*.stackexchange.com
stackexchange.com
stackoverflow.com
*.stackoverflow.com
stackauth.com
sstatic.net
*.sstatic.net
serverfault.com
*.serverfault.com
superuser.com
*.superuser.com
stackapps.com
openid.stackauth.com
*.meta.stackexchange.com
meta.stackexchange.com
mathoverflow.net
*.mathoverflow.net
askubuntu.com
*.askubuntu.com
stacksnippets.net
*.blogoverflow.com
blogoverflow.com
*.meta.stackoverflow.com
*.stackoverflow.email
stackoverflow.email
stackoverflow.blog
E
但是Docker容器上同一个应用的输出如下:
S
E
这是我的代码:
const string ALT_NAME_KEY = "Subject Alternative Name";
string certificateData = "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";
var secretData = Convert.FromBase64String(certificateData);
string[] urls = null;
using (var cert = new X509Certificate2(secretData))
{
urls = cert.Extensions
.OfType<X509Extension>()
.Where(e => e.Oid.FriendlyName == ALT_NAME_KEY)
.Select(e => new AsnEncodedData(e.Oid, e.RawData))
.Append(new AsnEncodedData(cert.SubjectName.Oid, cert.SubjectName.RawData))
.Select(d => d.Format(true))
.SelectMany(d => Regex.Matches(d, "\\b(?:CN|DNS Name)=(?<domain>.*)(?:\\b|$)").OfType<Match>().Where(m => m.Success).Select(m => m.Groups["domain"].Value))
.Distinct()
.ToArray();
}
Console.WriteLine("S");
foreach (var r in urls)
{
Console.WriteLine(r);
}
Console.WriteLine("E");
这是 .NET Core (2.2) 中的错误,还是我需要在 Linux 下以不同方式读取证书?
最佳答案
所以,主要问题似乎是双重的:
window :
Friendly name: "Subject Alternative Name"
Formatted data:
DNS Name=*.stackexchange.com
DNS Name=stackexchange.com
DNS Name=stackoverflow.com
DNS Name=*.stackoverflow.com
DNS Name=stackauth.com
DNS Name=sstatic.net
DNS Name=*.sstatic.net
DNS Name=serverfault.com
DNS Name=*.serverfault.com
DNS Name=superuser.com
DNS Name=*.superuser.com
DNS Name=stackapps.com
DNS Name=openid.stackauth.com
DNS Name=*.meta.stackexchange.com
DNS Name=meta.stackexchange.com
DNS Name=mathoverflow.net
DNS Name=*.mathoverflow.net
DNS Name=askubuntu.com
DNS Name=*.askubuntu.com
DNS Name=stacksnippets.net
DNS Name=*.blogoverflow.com
DNS Name=blogoverflow.com
DNS Name=*.meta.stackoverflow.com
DNS Name=*.stackoverflow.email
DNS Name=stackoverflow.email
DNS Name=stackoverflow.blog
Docker 中的 Linux(显然还有 Mac):
Friendly name: "X509v3 Subject Alternative Name"
Formatted data:
DNS:*.stackexchange.com, DNS:stackexchange.com, DNS:stackoverflow.com, DNS:*.stackoverflow.com, DNS:stackauth.com, DNS:sstatic.net, DNS:*.sstatic.net, DNS:serverfault.com, DNS:*.serverfault.com, DNS:superuser.com, DNS:*.superuser.com, DNS:stackapps.com, DNS:openid.stackauth.com, DNS:*.meta.stackexchange.com, DNS:meta.stackexchange.com, DNS:mathoverflow.net, DNS:*.mathoverflow.net, DNS:askubuntu.com, DNS:*.askubuntu.com, DNS:stacksnippets.net, DNS:*.blogoverflow.com, DNS:blogoverflow.com, DNS:*.meta.stackoverflow.com, DNS:*.stackoverflow.email, DNS:stackoverflow.email, DNS:stackoverflow.blog
为了解决问题 #1,我开始使用 value 而不是友好名称:2.5.29.17
为了解决问题 #2,我不得不稍微更新我的正则表达式。虽然它适用于多行数据 (Windows),但它不适用于 Linux/Mac 逗号分隔的数据。
现在的新表达式是:((DNS:|DNS Name=|CN=)(?<domain>.*?),?(?=\s|$))+
综合起来,我们得到:
const string ALT_NAME_VALUE = "2.5.29.17";
string certificateData = "LS0tLS1CRUdJTiBDRVJUSUZJQ0FURS0tLS0tDQpNSUlJUERDQ0J5U2dBd0lCQWdJUUIyWEdUblRsa2RhQU9jb3FoSFZqOERBTkJna3Foa2lHOXcwQkFRc0ZBREJ3DQpNUXN3Q1FZRFZRUUdFd0pWVXpFVk1CTUdBMVVFQ2hNTVJHbG5hVU5sY25RZ1NXNWpNUmt3RndZRFZRUUxFeEIzDQpkM2N1WkdsbmFXTmxjblF1WTI5dE1TOHdMUVlEVlFRREV5WkVhV2RwUTJWeWRDQlRTRUV5SUVocFoyZ2dRWE56DQpkWEpoYm1ObElGTmxjblpsY2lCRFFUQWVGdzB4T0RFd01EVXdNREF3TURCYUZ3MHhPVEE0TVRReE1qQXdNREJhDQpNR294Q3pBSkJnTlZCQVlUQWxWVE1Rc3dDUVlEVlFRSUV3Sk9XVEVSTUE4R0ExVUVCeE1JVG1WM0lGbHZjbXN4DQpIVEFiQmdOVkJBb1RGRk4wWVdOcklFVjRZMmhoYm1kbExDQkpibU11TVJ3d0dnWURWUVFEREJNcUxuTjBZV05yDQpaWGhqYUdGdVoyVXVZMjl0TUlJQklqQU5CZ2txaGtpRzl3MEJBUUVGQUFPQ0FROEFNSUlCQ2dLQ0FRRUE5S2s2DQpOWFVQMW9jWHQ4OW1UMWNJeGFkQmh6Q0wwWVRxUDAxL0RTb3RVSFJ6VjcwcU9DVDdBZE1UMEsxSmk2ckZ5YXB6DQpSaXFVSWhBa2hFc2VYUnAwTU5yMjFmU1V3NFZvQ2IrSW1PNmduSWx6b2xraHJwSzZJeTM0S3lVM3p5dDhYWUQrDQptWTNpOEdqUFpPeXNSSk5MeTNvdVFCbXp1T21VLzJGb21ubWlFR0YwMm1WZ2IzZXY4UHJjbnQ3ZENpRjdsaUJJDQpzZDN6a1BlWHZUVlljVmNiL01CckZFemM0RnVJdXBoVGlKYm9Oejh3SHY5K1BYQVhVVUg4VEVTclVmRlBDS0pIDQp3ZDlFQW9OWDhqUFUxVEl4aUNvZTZYTjVFMW1QeUdneXZFbmFjSC9IZXJLL2VMYzQ2TDdZV1ZHUnlqSFdhYVRLDQowckpoS2draDU5cXNXQmRuNXdJREFRQUJvNElFMWpDQ0JOSXdId1lEVlIwakJCZ3dGb0FVVVdqL2tLOENCM1U4DQp6TmxsWkdLaUVyaFpjanN3SFFZRFZSME9CQllFRkpxS3dXN0I4azM2MlhzQzFJK3pBNnhxUGNaWU1JSUIvQVlEDQpWUjBSQklJQjh6Q0NBZStDRXlvdWMzUmhZMnRsZUdOb1lXNW5aUzVqYjIyQ0VYTjBZV05yWlhoamFHRnVaMlV1DQpZMjl0Z2hGemRHRmphMjkyWlhKbWJHOTNMbU52YllJVEtpNXpkR0ZqYTI5MlpYSm1iRzkzTG1OdmJZSU5jM1JoDQpZMnRoZFhSb0xtTnZiWUlMYzNOMFlYUnBZeTV1WlhTQ0RTb3VjM04wWVhScFl5NXVaWFNDRDNObGNuWmxjbVpoDQpkV3gwTG1OdmJZSVJLaTV6WlhKMlpYSm1ZWFZzZEM1amIyMkNEWE4xY0dWeWRYTmxjaTVqYjIyQ0R5b3VjM1Z3DQpaWEoxYzJWeUxtTnZiWUlOYzNSaFkydGhjSEJ6TG1OdmJZSVViM0JsYm1sa0xuTjBZV05yWVhWMGFDNWpiMjJDDQpHQ291YldWMFlTNXpkR0ZqYTJWNFkyaGhibWRsTG1OdmJZSVdiV1YwWVM1emRHRmphMlY0WTJoaGJtZGxMbU52DQpiWUlRYldGMGFHOTJaWEptYkc5M0xtNWxkSUlTS2k1dFlYUm9iM1psY21ac2IzY3VibVYwZ2cxaGMydDFZblZ1DQpkSFV1WTI5dGdnOHFMbUZ6YTNWaWRXNTBkUzVqYjIyQ0VYTjBZV05yYzI1cGNIQmxkSE11Ym1WMGdoSXFMbUpzDQpiMmR2ZG1WeVpteHZkeTVqYjIyQ0VHSnNiMmR2ZG1WeVpteHZkeTVqYjIyQ0dDb3ViV1YwWVM1emRHRmphMjkyDQpaWEptYkc5M0xtTnZiWUlWS2k1emRHRmphMjkyWlhKbWJHOTNMbVZ0WVdsc2doTnpkR0ZqYTI5MlpYSm1iRzkzDQpMbVZ0WVdsc2doSnpkR0ZqYTI5MlpYSm1iRzkzTG1Kc2IyY3dEZ1lEVlIwUEFRSC9CQVFEQWdXZ01CMEdBMVVkDQpKUVFXTUJRR0NDc0dBUVVGQndNQkJnZ3JCZ0VGQlFjREFqQjFCZ05WSFI4RWJqQnNNRFNnTXFBd2hpNW9kSFJ3DQpPaTh2WTNKc015NWthV2RwWTJWeWRDNWpiMjB2YzJoaE1pMW9ZUzF6WlhKMlpYSXRaell1WTNKc01EU2dNcUF3DQpoaTVvZEhSd09pOHZZM0pzTkM1a2FXZHBZMlZ5ZEM1amIyMHZjMmhoTWkxb1lTMXpaWEoyWlhJdFp6WXVZM0pzDQpNRXdHQTFVZElBUkZNRU13TndZSllJWklBWWI5YkFFQk1Db3dLQVlJS3dZQkJRVUhBZ0VXSEdoMGRIQnpPaTh2DQpkM2QzTG1ScFoybGpaWEowTG1OdmJTOURVRk13Q0FZR1o0RU1BUUlDTUlHREJnZ3JCZ0VGQlFjQkFRUjNNSFV3DQpKQVlJS3dZQkJRVUhNQUdHR0doMGRIQTZMeTl2WTNOd0xtUnBaMmxqWlhKMExtTnZiVEJOQmdnckJnRUZCUWN3DQpBb1pCYUhSMGNEb3ZMMk5oWTJWeWRITXVaR2xuYVdObGNuUXVZMjl0TDBScFoybERaWEowVTBoQk1raHBaMmhCDQpjM04xY21GdVkyVlRaWEoyWlhKRFFTNWpjblF3REFZRFZSMFRBUUgvQkFJd0FEQ0NBUVlHQ2lzR0FRUUIxbmtDDQpCQUlFZ2ZjRWdmUUE4Z0IzQUtTNUNaQzBHRmdVaDdzVG9zeG5jQW84TlpnRStSdmZ1T04zelE3SURkd1FBQUFCDQpaa0lKK1NNQUFBUURBRWd3UmdJaEFQQ2FkeHY0N2NCNFFPT3ZOOXMvUjIzRWVwRWJTSTQvTXVBZGY1dktlVTc5DQpBaUVBMmdaM084bnp1VVZhblJXOWZnNm1nZnNMMDhObi9aR203M08vRjNJR1gyVUFkd0NIZGIvbldYejRqRU9aDQpYNzN6YnY5V2pVZFdOdjlLdFdEQnRPci9YcUNERHdBQUFXWkNDZm9HQUFBRUF3QklNRVlDSVFEUWpmbVZCcSsvDQp5MmdCSy9lRTl4Nmp6OWhUWjV0SWZoa1N0Uzg1Zk1BeGVnSWhBTUF1Tmt5dU80dDA2RWlFZ01XaWFsSlp1QW5rDQpRdzI5R2NlSUJHOHIxQXAzTUEwR0NTcUdTSWIzRFFFQkN3VUFBNElCQVFBQWs4NzMvKzJRc3dLZkpTUW4raVplDQpaYzh1aUdnOTlwbWQwMDhFMmNtR0VycU56UGNsSzlJTmJQand4bDl6SWdUY1hwRi9VdEJWVlMxWjdYbzgzcWZzDQpHTVBkTXpZdDNGK2hRcFFZTGhsR0YrNUpmMng2WmIxempUL2FNM0dNZEdpKzZPUFYrWUhsL3dnVWU0NU42a1J1DQpEWm5WTDE2NytXM2wybkQrbVNoTy83eHF3SGladXowR0h5QkhScDVpNDNibEgwdmc2N3NKOGd1TjgxcGFwdXBZDQoydjc4RmN2UjhqMEVMZmd5ZWh0V3BqRjN2ektTcS9yWTJzTVhUWXpTUHFNZWtzc2VITmhTTVlVNld3OWg5cHlNDQphVm53OXZhaHFmN25LSEhjQzJWUlRVZ2tRZm45eURtbUJPbzBuUThYZ2ZwZDY1L1BheFZmQm51S2ZFa1hCZnBNDQotLS0tLUVORCBDRVJUSUZJQ0FURS0tLS0tDQo=";
var secretData = Convert.FromBase64String(certificateData);
string[] urls = null;
var tmp = new X509Certificate2Collection();
tmp.Import(secretData);
var cert = tmp.OfType<X509Certificate2>().FirstOrDefault();
urls = cert.Extensions
.OfType<X509Extension>()
.Where(e => e.Oid.Value == ALT_NAME_VALUE)
// I removed the part appending the original subject because I realise the same
// information is available in the SAN object, so it was just duplicating data
// this also allowed me to combine Format with creating the AsnEncodedData object
.Select(e => new AsnEncodedData(e.Oid, e.RawData).Format(true))
.SelectMany(d => Regex.Matches(d, "((DNS:|DNS Name=|CN=)(?<domain>.*?),?(?=\\s|$))+").OfType<Match>().Where(m => m.Success).Select(m => m.Groups["domain"].Value))
.Distinct()
.ToArray();
Console.WriteLine("S");
foreach (var r in urls)
{
Console.WriteLine(r);
}
Console.WriteLine("E");
现在 Windows 和 Linux 上的输出是一样的:
S
*.stackexchange.com
stackexchange.com
stackoverflow.com
*.stackoverflow.com
stackauth.com
sstatic.net
*.sstatic.net
serverfault.com
*.serverfault.com
superuser.com
*.superuser.com
stackapps.com
openid.stackauth.com
*.meta.stackexchange.com
meta.stackexchange.com
mathoverflow.net
*.mathoverflow.net
askubuntu.com
*.askubuntu.com
stacksnippets.net
*.blogoverflow.com
blogoverflow.com
*.meta.stackoverflow.com
*.stackoverflow.email
stackoverflow.email
stackoverflow.blog
E
关于c# - 在 Linux Docker 容器中运行时无法读取证书 - 适用于 Windows,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/54358492/
我需要在客户计算机上运行Ruby应用程序。通常需要几天才能完成(复制大备份文件)。问题是如果启用sleep,它会中断应用程序。否则,计算机将持续运行数周,直到我下次访问为止。有什么方法可以防止执行期间休眠并让Windows在执行后休眠吗?欢迎任何疯狂的想法;-) 最佳答案 Here建议使用SetThreadExecutionStateWinAPI函数,使应用程序能够通知系统它正在使用中,从而防止系统在应用程序运行时进入休眠状态或关闭显示。像这样的东西:require'Win32API'ES_AWAYMODE_REQUIRED=0x0
我在从html页面生成PDF时遇到问题。我正在使用PDFkit。在安装它的过程中,我注意到我需要wkhtmltopdf。所以我也安装了它。我做了PDFkit的文档所说的一切......现在我在尝试加载PDF时遇到了这个错误。这里是错误:commandfailed:"/usr/local/bin/wkhtmltopdf""--margin-right""0.75in""--page-size""Letter""--margin-top""0.75in""--margin-bottom""0.75in""--encoding""UTF-8""--margin-left""0.75in""-
大约一年前,我决定确保每个包含非唯一文本的Flash通知都将从模块中的方法中获取文本。我这样做的最初原因是为了避免一遍又一遍地输入相同的字符串。如果我想更改措辞,我可以在一个地方轻松完成,而且一遍又一遍地重复同一件事而出现拼写错误的可能性也会降低。我最终得到的是这样的:moduleMessagesdefformat_error_messages(errors)errors.map{|attribute,message|"Error:#{attribute.to_s.titleize}#{message}."}enddeferror_message_could_not_find(obje
我正在寻找执行以下操作的正确语法(在Perl、Shell或Ruby中):#variabletoaccessthedatalinesappendedasafileEND_OF_SCRIPT_MARKERrawdatastartshereanditcontinues. 最佳答案 Perl用__DATA__做这个:#!/usr/bin/perlusestrict;usewarnings;while(){print;}__DATA__Texttoprintgoeshere 关于ruby-如何将脚
我对最新版本的Rails有疑问。我创建了一个新应用程序(railsnewMyProject),但我没有脚本/生成,只有脚本/rails,当我输入ruby./script/railsgeneratepluginmy_plugin"Couldnotfindgeneratorplugin.".你知道如何生成插件模板吗?没有这个命令可以创建插件吗?PS:我正在使用Rails3.2.1和ruby1.8.7[universal-darwin11.0] 最佳答案 随着Rails3.2.0的发布,插件生成器已经被移除。查看变更日志here.现在
我尝试运行2.x应用程序。我使用rvm并为此应用程序设置其他版本的ruby:$rvmuseree-1.8.7-head我尝试运行服务器,然后出现很多错误:$script/serverNOTE:Gem.source_indexisdeprecated,useSpecification.Itwillberemovedonorafter2011-11-01.Gem.source_indexcalledfrom/Users/serg/rails_projects_terminal/work_proj/spohelp/config/../vendor/rails/railties/lib/r
我正在尝试在我的centos服务器上安装therubyracer,但遇到了麻烦。$geminstalltherubyracerBuildingnativeextensions.Thiscouldtakeawhile...ERROR:Errorinstallingtherubyracer:ERROR:Failedtobuildgemnativeextension./usr/local/rvm/rubies/ruby-1.9.3-p125/bin/rubyextconf.rbcheckingformain()in-lpthread...yescheckingforv8.h...no***e
好的,所以我的目标是轻松地将一些数据保存到磁盘以备后用。您如何简单地写入然后读取一个对象?所以如果我有一个简单的类classCattr_accessor:a,:bdefinitialize(a,b)@a,@b=a,bendend所以如果我从中非常快地制作一个objobj=C.new("foo","bar")#justgaveitsomerandomvalues然后我可以把它变成一个kindaidstring=obj.to_s#whichreturns""我终于可以将此字符串打印到文件或其他内容中。我的问题是,我该如何再次将这个id变回一个对象?我知道我可以自己挑选信息并制作一个接受该信
我花了三天的时间用头撞墙,试图弄清楚为什么简单的“rake”不能通过我的规范文件。如果您遇到这种情况:任何文件夹路径中都不要有空格!。严重地。事实上,从现在开始,您命名的任何内容都没有空格。这是我的控制台输出:(在/Users/*****/Desktop/LearningRuby/learn_ruby)$rake/Users/*******/Desktop/LearningRuby/learn_ruby/00_hello/hello_spec.rb:116:in`require':cannotloadsuchfile--hello(LoadError) 最佳
我在pry中定义了一个函数:to_s,但我无法调用它。这个方法去哪里了,怎么调用?pry(main)>defto_spry(main)*'hello'pry(main)*endpry(main)>to_s=>"main"我的ruby版本是2.1.2看了一些答案和搜索后,我认为我得到了正确的答案:这个方法用在什么地方?在irb或pry中定义方法时,会转到Object.instance_methods[1]pry(main)>defto_s[1]pry(main)*'hello'[1]pry(main)*end=>:to_s[2]pry(main)>defhello[2]pry(main)