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修复�q�程桌面�|�关

muroachanf — Sun, 17 Mar 2013 15:17:00 GMT

�H�然有一天，在iis服务器上上了一个新站点后，�q�程桌面�|�关�q�不上了。找不到原因�Q�于是我把rpc和rpcwithcert两个虚拟目录�l�删了。然后手动配�|?/p>

C:\Windows\System32\inetsrv\config\applicationHost.config文�g�Q�配了多�ơ仍然不行。于是把rpc onver htpp proxy反复安装�Q�rpc和rpccert虚拟目录完全没�Q何变化，无论我是否徏立还是删除�?br />

数日后我灵光一闪，会不会配�|�在注册表里�Q�在�|�上搜到到rpcproxy所在的注册表目录，hklm\software\microsoft\rpc\rpcprox�Q�把此目录删除，再把iis中的虚拟目录删除。然后重装rpc over http proxy�Q�这货终于给我自动徏产了rpc虚拟目录。然后再装远�E�桌面网养I��q�是不行。浏览iis的rpc里的文�g�Q�报500.19错误。上�|�查了下�Q�有��是因为在64位系�l�里启用�?2位的讄��引�v的。于是我才恍然大悟，我上站点那天�Q�新�E�序的功能只能在32位下跑，我把�E�序池改�?2位的了。于是我把程序池�Ҏ��64位的�Q�再用远�E�桌面终端去�q�，�l�于见到久违的登录界面，大功告成�?/p>

muroachanf 2013-03-17 23:17 发表评论

muroachanf — Sun, 17 Mar 2013 15:16:00 GMT

�׃��两个��时解决php��L��配置不对的问题，原因是Microsoft Visual C++ 2008 Redistributable Package没有安装�Q�查��h��q�很费了点工夫。用procmon跟踪一切都觉得很正常，最后无意中发现php-cgi.exe启动��退��Z��。然后手工执行，会报错，怀疑有病毒�Q�然后拷了一个正��的版本�q�去�Q�还是报错。查看日志，发现vc2008�q�行包问题，安装后即正常�?/span>

muroachanf 2013-03-17 23:16 发表评论

全局变量之苦

muroachanf — Wed, 13 Jun 2012 15:11:00 GMT

最�q�弄个项目，�H�然有点偏爱全局变量了，于是乎罔��教�U�书的教�Ԍ��大用特用�Q�一下就遇到了两个问题，兹记于此�Q�以作教训�?br />1、由于搞某种讑֤�的读写，针对每种讑֤�写一个工厂类�Q�然后声明一个设备管理类的全局变量�Q�在构造函数里把工厂类全注册到讑֤��理�c�M��。后来觉得这样不好，每加一�U�设备都要改构造函数的代码�Q�于是我��写了一个注册类�Q�在构造函数里�q�行注册�Q�然后在每个讑֤��cȝ��cpp里声明注册类的全局变量�?br />看�v来很完美�Q�于是我打了个lib�Q�弄到另一个dll工程里编译，�l�果��悲剧了�Q�注册类的构造函数死�z�M��q�行。最后发玎ͼ��~�译器认��个cpp的�Q何symbol都没被引用，�Ҏ��׃��~�译�q�来�Q�最后只好改回去�?br />
2、而后我又在dll工程里声明了一个全局变量�Q�然后在全局变量的构造函数里�Q�调用设备类的全局变量的成员获取设备列表，�l�果发现取出来是�I�的。最后发玎ͼ�讑֤��cȝ��构造函数在取设备列表时�q�没有被调用�Q�把初始化的代码�U�d��MFC的app.InitInstance里调用解决问题�?br />
�ȝ��下：1、在c#、delphi里用得很��的工厂注册�c�，在c++里是会被优化掉的�Q�千万用不得 2、�Q何情况下�Q�不应在全局变量的构造函数里引用其他全局变量�Q�这条应该不限于c++�?img src ="http://www.shnenglu.com/muroachanf/aggbug/178705.html" width = "1" height = "1" />

muroachanf 2012-06-13 23:11 发表评论

openssl加密

muroachanf — Mon, 26 Dec 2011 06:46:00 GMT

最�q�搞了下openssl 的加密，做个mark�Q�csdn�q�破货用不�v�?br />

rsa生成密钥�?

void ConvertToArray(ostream& stream, const string& name, unsigned char* buf, size_t size)
{
    stream << "const unsigned char " << name << "[" << size << "] = {" << endl;
    for (size_t i = 0; i < size; i++)
    {
        if (i != 0)
            stream << ",";
        stream << (int)buf[i];
    }
    stream << endl << "};" << endl << endl;
}
void ConvertToArray(ostream& stream, const string &name, RSA* key, bool isPrivate)
{
    int size = 0;
    if (isPrivate)
        size = i2d_RSAPrivateKey(key, NULL);
    else
        size = i2d_RSAPublicKey(key, NULL);
    if (size < 0)
    {
        cout << "SaveRsKey error" << endl;
        return;
    }
    unsigned char* prkey = new unsigned char[size + 20];
    unsigned char *p = prkey;
    if (isPrivate)
        size = i2d_RSAPrivateKey(key, &p);
    else
        size = i2d_RSAPublicKey(key, &p);
    if (size < 0)
    {
        cout << "SaveRsKey error" << endl;
    }
    else
    {
        ConvertToArray(stream, name, prkey, size);
    }
    delete[] prkey;
}
void SaveRSAKey(const string& fileName, RSA* key, bool isPrivate )
{
    int size = 0;
    if (isPrivate)
        size = i2d_RSAPrivateKey(key, NULL);
    else
        size = i2d_RSAPublicKey(key, NULL);
    if (size < 0)
    {
        cout << "SaveRsKey error" << endl;
        return;
    }
    unsigned char* prkey = new unsigned char[size + 20];
    unsigned char *p = prkey;
    if (isPrivate)
        size = i2d_RSAPrivateKey(key, &p);
    else
        size = i2d_RSAPublicKey(key, &p);
    if (size < 0)
    {
        cout << "SaveRsKey error" << endl;
    }
    else
    {
        ofstream f(fileName.c_str(), ios_base::out | ios_base::binary);
        if (!f)
        {
            cout << "SaveRsKey error" << endl;
        }
        else
        {
            //ConvertToArray()
            f.write((char*)prkey, size);
            f.close();
        }
    }
    delete[] prkey;
}
void GenKeys()
{
    ostringstream keys;
    ofstream fpbtext("f:\\pbkeys.txt", ios_base::out);
    ofstream fprtext("f:\\prkeys.txt", ios_base::out);
    for (int i = 0; i < 10; i++)
    {
        ostringstream ps, ks, pn, kn;
        ps << "f:\\key" << i << ".pbk";
        pn << "pbk" << i;
        ks << "f:\\key" << i << ".prk";
        kn << "prk" << i;
        RSA *key = RSA_generate_key(512, RSA_F4, NULL, NULL);
        //SaveRSAKey(ps.str(), key, false);
        //SaveRSAKey(ks.str(), key, true);
        ConvertToArray(fpbtext, pn.str(), key, false);
        ConvertToArray(fprtext, kn.str(), key, true);
        RSA_free(key);
    }
}

rsa加密和解�?

        unsigned char* prk = &prk0[0];
        key = d2i_RSAPrivateKey(NULL, (const unsigned char**)&prk, sizeof(prk0));
        //key = RSA_generate_key(512, RSA_F4, NULL, NULL);
        plen = sizeof(ptext_ex) - 1;
        num = RSA_private_encrypt(plen, ptext_ex, ctext, key,
            RSA_PKCS1_PADDING);
        if (num != RSA_size(key))   //模数长度
        {
            printf("%d PKCS#1 v1.5 encryption failed:%s!\n", RSA_size(key), ERR_reason_error_string(ERR_get_error()));
            err=1;
            goto next;
        }
        //加密后的数据
        printf("encrypted text: \n");
        for (i = 0; i < num; i++)
        {
            printf("\\x%02x", ctext[i]);
        }
        printf("\n");
        printf("RSA_private_encrypt num: %d\n", num);
        RSA_free(key);
        unsigned char* pbk = &pbk0[0];
        key = d2i_RSAPublicKey(NULL, (const unsigned char**)&pbk, sizeof(pbk0));
        num = RSA_public_decrypt(num, ctext, ptext, key,
            RSA_PKCS1_PADDING);
        if (num != plen || memcmp(ptext, ptext_ex, num) != 0)
        {
            printf("PKCS#1 v1.5 decryption failed!\n");
            err=1;
        }
        else
            printf("PKCS #1 v1.5 encryption/decryption ok\n");
        printf("RSA_public_decrypt num: %d\n", num);
        ptext[num] = '\0';    //字符串结��?nbsp;
        printf("ptext: %s\n", ptext);
        RSA_free(key);

muroachanf 2011-12-26 14:46 发表评论

�q�什么博客，firefox支持�q�么差劲

muroachanf — Tue, 19 Apr 2011 16:23:00 GMT

今儿�H�然惛_��cppblog发篇文章�Q?br>在firefox下写了半天，一提交说内容�ؓ�I�，再一回首�Q�什么都成了虚无�Q�什么意思嘛�Q�郁闗��?

muroachanf 2011-04-20 00:23 发表评论