83 lines
2 KiB
Markdown
83 lines
2 KiB
Markdown
---
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c: Copyright (C) Daniel Stenberg, <daniel.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLOPT_SSLCERT_BLOB
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Section: 3
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Source: libcurl
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See-also:
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- CURLOPT_KEYPASSWD (3)
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- CURLOPT_SSLCERTTYPE (3)
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- CURLOPT_SSLKEY (3)
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---
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# NAME
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CURLOPT_SSLCERT_BLOB - SSL client certificate from memory blob
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# SYNOPSIS
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~~~c
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSLCERT_BLOB,
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struct curl_blob *stblob);
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~~~
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# DESCRIPTION
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Pass a pointer to a curl_blob structure, which contains (pointer and size) a
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client certificate. The format must be "P12" on Secure Transport or
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Schannel. The format must be "P12" or "PEM" on OpenSSL. The format must be
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"DER" or "PEM" on mbedTLS. The format must be specified with
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CURLOPT_SSLCERTTYPE(3).
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If the blob is initialized with the flags member of struct curl_blob set to
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CURL_BLOB_COPY, the application does not have to keep the buffer around after
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setting this.
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This option is an alternative to CURLOPT_SSLCERT(3) which instead
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expects a filename as input.
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# DEFAULT
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NULL
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# PROTOCOLS
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All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.
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# EXAMPLE
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~~~c
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extern char *certificateData; /* point to data */
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extern size_t filesize; /* size of data */
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode res;
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struct curl_blob stblob;
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stblob.data = certificateData;
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stblob.len = filesize;
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stblob.flags = CURL_BLOB_COPY;
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
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curl_easy_setopt(curl, CURLOPT_SSLCERT_BLOB, &stblob);
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curl_easy_setopt(curl, CURLOPT_SSLCERTTYPE, "P12");
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curl_easy_setopt(curl, CURLOPT_KEYPASSWD, "s3cret");
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res = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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}
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}
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~~~
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# AVAILABILITY
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Added in 7.71.0. This option is supported by the OpenSSL, Secure Transport,
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Schannel and mbedTLS (since 7.78.0) backends.
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# RETURN VALUE
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Returns CURLE_OK if TLS enabled, CURLE_UNKNOWN_OPTION if not, or
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CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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