GNURLOPT_SSLCERT_BLOB(3)

🎀 NAME 🎀

okay so this is the GNURLOPT_SSLCERT_BLOB(3) page bestie, and it's all about CURLOPT_SSLCERT_BLOB — SSL client certificate from memory blob 💖

✨ SYNOPSIS ✨

#include <gnurl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSLCERT_BLOB, struct
curl_blob *stblob);

🦋 DESCRIPTION 🦋

Pass a pointer to a curl_blob structure, which contains a pointer and a size for a client certificate. That's the whole vibe: certificate data, already in memory, no file path required 💅

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_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. slay, memory management said "you're free" 🫶

This option is an alternative to CURLOPT_SSLCERT(3) which instead expects a file name as input. So like, one is "here's a filename", and this one is "here's the actual certificate bytes in memory" — iykyk 🧚

🍓 DEFAULT 🍓

NULL

🌈 PROTOCOLS 🌈

All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.

💜 EXAMPLE 💜

CURL *curl = curl_easy_init();
if(curl) {
  struct curl_blob stblob;
  stblob.data = certificateData;
  stblob.len = filesize;
  stblob.flags = CURL_BLOB_COPY;
  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
  curl_easy_setopt(curl, CURLOPT_SSLCERT_BLOB, &stblob);
  curl_easy_setopt(curl, CURLOPT_SSLCERTTYPE, "P12");
  curl_easy_setopt(curl, CURLOPT_KEYPASSWD, "s3cret");
  ret = curl_easy_perform(curl);
  curl_easy_cleanup(curl);
}

👑 AVAILABILITY 👑

Added in libcurl 7.71.0. This option is supported by the OpenSSL, Secure Transport and Schannel backends. backend representation, we love to see it ✨

💀 RETURN VALUE 💀

Returns CURLE_OK if TLS enabled, CURLE_UNKNOWN_OPTION if not, or CURLE_OUT_OF_MEMORY if there was insufficient heap space. heap space check, very demure, very mindful 😭

🌸 SEE ALSO 🌸

• CURLOPT_SSLCERTTYPE(3)
• CURLOPT_SSLKEY(3)

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byeee bestie, this was the GNURLOPT_SSLCERT_BLOB(3) page from libcurl 7.71.0, dated 24 Jun 2020 💖🎀🦋