c: Copyright (C) Daniel Stenberg, daniel@haxx.se, et al. SPDX-License-Identifier: curl Title: CURLOPT_PROXY_SSLCERT_BLOB Section: 3 Source: libcurl See-also:

CURLOPT_PROXY_SSLCERT (3)
CURLOPT_PROXY_SSLCERTTYPE (3)
CURLOPT_PROXY_SSLKEY (3)
CURLOPT_SSLCERT_BLOB (3) Protocol:
TLS TLS-backend:
OpenSSL
Schannel
Secure Transport Added-in: 7.71.0 ---

NAME

CURLOPT_PROXY_SSLCERT_BLOB - SSL proxy client certificate from memory blob

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXY_SSLCERT_BLOB,
                          struct curl_blob *blob);

DESCRIPTION

Pass a pointer to a curl_blob structure, which contains information (pointer and size) about a memory block with binary data of the certificate used to connect to the HTTPS proxy. The format must be "P12" on Secure Transport or Schannel. The format must be "P12" or "PEM" on OpenSSL. The string "P12" or "PEM" must be specified with CURLOPT_PROXY_SSLCERTTYPE(3).

If the blob is initialized with the flags member of struct curl_blob set to CURL_BLOB_COPY, the application does not have to keep the buffer around after setting this.

This option is an alternative to CURLOPT_PROXY_SSLCERT(3) which instead expects a filename as input.

DEFAULT

NULL

%PROTOCOLS%

EXAMPLE


extern char *certificateData; /* point to data */
extern size_t filesize; /* size of the data */

int main(void)
{
  CURL *curl = curl_easy_init();
  if(curl) {
    CURLcode res;
    struct curl_blob blob;
    blob.data = certificateData;
    blob.len = filesize;
    blob.flags = CURL_BLOB_COPY;
    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
    curl_easy_setopt(curl, CURLOPT_PROXY, "https://proxy");
    curl_easy_setopt(curl, CURLOPT_PROXY_SSLKEY, "key.pem");
    curl_easy_setopt(curl, CURLOPT_PROXY_KEYPASSWD, "s3cret");
    curl_easy_setopt(curl, CURLOPT_PROXY_SSLCERT_BLOB, &blob);
    res = curl_easy_perform(curl);
    curl_easy_cleanup(curl);
  }
}

%AVAILABILITY%

RETURN VALUE

Returns CURLE_OK if TLS enabled, CURLE_UNKNOWN_OPTION if not, or CURLE_OUT_OF_MEMORY if there was insufficient heap space.

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