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75 lines
2.4 KiB
Groff
75 lines
2.4 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLOPT_PROXY_CAINFO_BLOB.md
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.TH CURLOPT_PROXY_CAINFO_BLOB 3 "2024-06-01" libcurl
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.SH NAME
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CURLOPT_PROXY_CAINFO_BLOB \- proxy Certificate Authority (CA) bundle in PEM format
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXY_CAINFO_BLOB,
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struct curl_blob *stblob);
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.fi
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.SH DESCRIPTION
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This option is for connecting to an HTTPS proxy, not an HTTPS server.
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Pass a pointer to a curl_blob structure, which contains information (pointer
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and size) about a memory block with binary data of PEM encoded content holding
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one or more certificates to verify the HTTPS proxy with.
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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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If \fICURLOPT_PROXY_SSL_VERIFYPEER(3)\fP is zero and you avoid verifying the
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server\(aqs certificate, \fICURLOPT_PROXY_CAINFO_BLOB(3)\fP is not needed.
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This option overrides \fICURLOPT_PROXY_CAINFO(3)\fP.
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.SH DEFAULT
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NULL
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.SH PROTOCOLS
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All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.
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This option works only with the following TLS backends:
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OpenSSL, Schannel, Secure Transport and rustls
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.SH EXAMPLE
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.nf
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#include <string.h> /* for strlen */
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extern char *strpem; /* strpem must point to a PEM string */
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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 blob;
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
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/* using an HTTPS proxy */
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curl_easy_setopt(curl, CURLOPT_PROXY, "https://localhost:443");
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blob.data = strpem;
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blob.len = strlen(strpem);
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blob.flags = CURL_BLOB_COPY;
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curl_easy_setopt(curl, CURLOPT_PROXY_CAINFO_BLOB, &blob);
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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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.fi
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.SH AVAILABILITY
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Added in 7.77.0.
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This option is supported by the rustls (since 7.82.0), OpenSSL, Secure
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Transport and Schannel backends.
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
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CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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.SH SEE ALSO
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.BR CURLOPT_CAINFO (3),
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.BR CURLOPT_CAINFO_BLOB (3),
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.BR CURLOPT_CAPATH (3),
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.BR CURLOPT_PROXY_CAINFO (3),
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.BR CURLOPT_PROXY_CAPATH (3),
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.BR CURLOPT_PROXY_SSL_VERIFYHOST (3),
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.BR CURLOPT_PROXY_SSL_VERIFYPEER (3),
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.BR CURLOPT_SSL_VERIFYHOST (3),
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.BR CURLOPT_SSL_VERIFYPEER (3)
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