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CURLOPT_PROXY_SSLCERTTYPE(3)                          Library Functions Manual


NAME

       CURLOPT_PROXY_SSLCERTTYPE - type of the proxy client SSL certificate


SYNOPSIS

       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXY_SSLCERTTYPE, char *type);


DESCRIPTION

       Pass a pointer to a null-terminated string as parameter. The string
       should be the format of your client certificate used when connecting to
       an HTTPS proxy.

       Supported formats are "PEM" and "DER", except with Secure Transport or
       Schannel. OpenSSL (versions 0.9.3 and later), Secure Transport (on iOS
       5 or later, or macOS 10.7 or later) and Schannel support "P12" for
       PKCS#12-encoded files.

       The application does not have to keep the string around after setting
       this option.

       Using this option multiple times makes the last set string override the
       previous ones. Set it to NULL to disable its use again.


DEFAULT

       "PEM"


PROTOCOLS

       This functionality affects all TLS based protocols: HTTPS, FTPS, IMAPS,
       POP3S, SMTPS etc.

       This option works only with the following TLS backends: GnuTLS,
       OpenSSL, Schannel, Secure Transport, mbedTLS and wolfSSL


EXAMPLE

       int main(void)
       {
         CURL *curl = curl_easy_init();
         if(curl) {
           CURLcode res;
           curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
           curl_easy_setopt(curl, CURLOPT_PROXY, "https://proxy");
           curl_easy_setopt(curl, CURLOPT_PROXY_SSLCERT, "client.pem");
           curl_easy_setopt(curl, CURLOPT_PROXY_SSLCERTTYPE, "PEM");
           curl_easy_setopt(curl, CURLOPT_PROXY_SSLKEY, "key.pem");
           curl_easy_setopt(curl, CURLOPT_PROXY_KEYPASSWD, "s3cret");
           res = curl_easy_perform(curl);
           curl_easy_cleanup(curl);
         }
       }


AVAILABILITY

       Added in curl 7.52.0


RETURN VALUE

       curl_easy_setopt(3) returns a CURLcode indicating success or error.

       CURLE_OK (0) means everything was OK, non-zero means an error occurred,
       see libcurl-errors(3).


SEE ALSO

       CURLOPT_PROXY_SSLCERT(3), CURLOPT_PROXY_SSLKEY(3),
       CURLOPT_SSLCERTTYPE(3)

libcurl                           2025-02-08      CURLOPT_PROXY_SSLCERTTYPE(3)

curl 8.12.0 - Generated Tue Feb 18 07:50:29 CST 2025
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