Qt5客户端证书身份验证

时间:2015-06-25 01:12:15

标签: qt ssl client-certificates qnetworkaccessmanager qt5.4

我在Windows 8.1上有Qt 5.4.0,在ArchLinux上有Qt 5.4.2最新版本并获得完全相同的结果。

我的网站需要客户端SSL证书。自执行

以来,服务器似乎已正确配置
openssl s_client -connect myserver:443 -cert client.crt -key client.key

打印

Verify return code: 0 (ok)

此外,

 curl --cert client.pem https://myserver/

工作正常。

服务器证书有效,浏览器接受,等等。客户端证书是自签名的。以防万一,服务器是nginx,这里是相关的配置片段

listen                         *:443 ssl;

server_name                    myserver;

ssl                            on;
ssl_certificate                /etc/nginx/ssl/myserver.crt;
ssl_certificate_key            /etc/nginx/ssl/myserver.key;
ssl_dhparam                    /etc/nginx/ssl/myserver.dh;
ssl_protocols                  TLSv1.1 TLSv1.2;
ssl_ciphers                    "ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES256-GCM-SHA384:AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256:AES256-SHA:AES128-SHA:DES-CBC3-SHA:HIGH:!aNULL:!eNULL:!EXPORT:!DES:!MD5:!PSK:!RC4";
ssl_prefer_server_ciphers      on;
ssl_client_certificate         /etc/nginx/ssl/ca.crt;
ssl_verify_client              on;

但以下最简单的Qt5应用程序

#include <qcoreapplication.h>
#include <qfile.h>
#include <qnetworkaccessmanager.h>
#include <qnetworkconfiguration.h>
#include <qnetworkproxy.h>
#include <qnetworkreply.h>
#include <qnetworkrequest.h>
#include <qsslcertificate.h>
#include <qsslconfiguration.h>
#include <qsslkey.h>

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);

    QNetworkProxyFactory::setUseSystemConfiguration(true);

    QSslConfiguration sslConfiguration;

    QFile privateKeyFile("client.key");
    privateKeyFile.open(QIODevice::ReadOnly);

    QFile certificateFile("client.crt");
    certificateFile.open(QIODevice::ReadOnly);

    QSslKey privateKey(&privateKeyFile, QSsl::Opaque);
    QSslCertificate certificate(&certificateFile);

    qWarning() << QSslSocket::supportsSsl();
    qWarning() << certificate.serialNumber();
    qWarning() << certificate.subjectInfo(QSslCertificate::CommonName);
    qWarning() << certificate.expiryDate();

    sslConfiguration.setPrivateKey(privateKey);
    sslConfiguration.setLocalCertificate(certificate);

    QNetworkRequest networkRequest(QUrl("https://server/"));

    networkRequest.setSslConfiguration(sslConfiguration);

    QNetworkAccessManager networkAccessManager;

    QNetworkReply* networkReply = networkAccessManager.get(networkRequest);

    QEventLoop loop;

    QObject::connect(&networkAccessManager, &QNetworkAccessManager::finished, &loop, &QEventLoop::quit);

    loop.exec();

    qWarning() << networkReply->error();
    qWarning() << networkReply->errorString();

    delete networkReply;

    return a.exec();
}

在Windows上以下控制台输出失败

QSslSocket: cannot resolve TLSv1_1_client_method
QSslSocket: cannot resolve TLSv1_2_client_method
QSslSocket: cannot resolve TLSv1_1_server_method
QSslSocket: cannot resolve TLSv1_2_server_method
QSslSocket: cannot resolve SSL_select_next_proto
QSslSocket: cannot resolve SSL_CTX_set_next_proto_select_cb
QSslSocket: cannot resolve SSL_get0_next_proto_negotiated
true
"01"
("AA-00-00-00")
QDateTime("2035-06-21 21:41:13.000 UTC Qt::UTC")
99
"Unable to init SSL Context: "

以及Linux上的以下控制台输出

true
"01"
("AA-00-00-00")
QDateTime("2035-06-21 21:41:13.000 UTC Qt::UTC")
99
"Unable to init SSL Context: "

如果我删除&#34; networkRequest.setSslConfiguration(sslConfiguration);&#34;我只是从服务器得到400错误,说明我需要发送客户端证书。

添加&#34; sslConfiguration.setPeerVerifyMode(QSslSocket :: VerifyNone);&#34;没有改变。

我很乐意得到任何可能导致Qt5代码失败的建议。

1 个答案:

答案 0 :(得分:1)

Qt在运行时解析OpenSSL函数,这些警告就是它的结果。可能是您的程序根本找不到OpenSSL,或者它找到的版本太旧了。从Qt 5.2开始,需要OpenSSL v1.0.0或更高版本。

来自Qt documentation

  

OpenSSL Toolkit提供对安全套接字层(SSL)通信的支持,必须单独获取。

     

从Qt 5.2版起,OpenSSL的官方支持版本为1.0.0或更高版本。版本&gt; = 0.9.7和&lt; 1.0.0可能有效,但不保证。