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RE: connect fails to ftp+ssl for multi_run

From: Vishakha Vaidya <>
Date: Mon, 29 Aug 2011 20:21:51 +0530

> "ssl enabled" then means using OpenSSL I guess. Which OpenSSL version?
Openssl version 0.9.7b

> Does using VERBOSE give any additional clues?
It says "FTP response reading failed"

> What if you rebuild and rerun with the latest libcurl, does it still fail the same way? If so, can you provide us with a small sample application source code that would repeat the problem?
Trying with latest build, but here's the code snippet that I use -

                //test ftps connection
                CURLM *multi_handle = curl_multi_init();

                curl_easy_setopt(curl, CURLOPT_FTP_FILEMETHOD, CURLFTPMETHOD_SINGLECWD);
                curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, getcontentlengthfunc);
                curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, discardfunc);
                curl_easy_setopt(curl, CURLOPT_READFUNCTION, readfunc);

                curl_easy_setopt(curl, CURLOPT_NOSIGNAL, (long)1);

                curl_easy_setopt(curl, CURLOPT_FTP_USE_EPSV, 1);
                curl_easy_setopt(curl, CURLOPT_FTP_USE_EPRT, 1);

                curl_easy_setopt(curl, CURLOPT_DNS_USE_GLOBAL_CACHE, (long)0);
                curl_easy_setopt(curl, CURLOPT_VERBOSE, (long)1);
                curl_easy_setopt(curl, CURLOPT_PORT, (long)25);
                curl_easy_setopt( curl, CURLOPT_USE_SSL, CURLUSESSL_CONTROL);
                curl_easy_setopt( curl, CURLOPT_FTPSSLAUTH, CURLFTPAUTH_DEFAULT );
                curl_easy_setopt( curl, CURLOPT_SSLVERSION, CURL_SSLVERSION_DEFAULT );
                curl_easy_setopt( curl, CURLOPT_FTP_SSL_CCC, CURLFTPSSL_CCC_NONE );
                curl_easy_setopt( curl, CURLOPT_SSL_VERIFYPEER, 0 );
                curl_easy_setopt( curl, CURLOPT_SSL_VERIFYHOST, 0 );
                curl_easy_setopt( curl, CURLOPT_CERTINFO, (long)1 );
        curl_easy_setopt(curl, CURLOPT_URL, "ftp://VAIDYA-PC%5Cftpuser:P%40$$w0rd@vaidya-pc:25/testdelete/");

        curl_easy_setopt(curl, CURLOPT_POSTQUOTE, NULL);
        curl_easy_setopt(curl, CURLOPT_QUOTE, NULL);
        curl_easy_setopt(curl, CURLOPT_PREQUOTE, NULL);

        curl_easy_setopt(curl, CURLOPT_NOBODY, (long)1);

        curl_easy_setopt(curl, CURLOPT_UPLOAD, (long)0);

        curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, NULL);

        curl_easy_setopt(curl, CURLOPT_FILETIME, NULL);

        curl_easy_setopt(curl, CURLOPT_TIMEOUT, (long) 0);

        curl_easy_setopt(curl, CURLOPT_FTPLISTONLY, 0);

        curl_easy_setopt(curl, CURLOPT_TRANSFERTEXT, 1);

        curl_easy_setopt(curl, CURLOPT_FTPPORT, NULL);
        curl_easy_setopt(curl, CURLOPT_NOPROGRESS, (long)0);


        CURLcode ret = Multi_Run(multi_handle,curl) //the select + info read loop

Instead of multi_perform, if I call an easy_perform it works.

>What server software are you using ftp-ssl again, do you know?
IIS 7.0

>Do you use it against multiple softwares/versions and still get the same problems?
Haven't tried this



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Received on 2011-08-29