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61 lines
1.7 KiB
Groff
61 lines
1.7 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLOPT_CAPATH.md
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.TH CURLOPT_CAPATH 3 "2024-08-02" libcurl
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.SH NAME
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CURLOPT_CAPATH \- directory holding CA certificates
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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_CAPATH, char *capath);
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.fi
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.SH DESCRIPTION
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Pass a char pointer to a null\-terminated string naming a directory holding
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multiple CA certificates to verify the peer with. If libcurl is built against
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OpenSSL, the certificate directory must be prepared using the OpenSSL c_rehash
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utility. This makes sense only when used in combination with the
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\fICURLOPT_SSL_VERIFYPEER(3)\fP option.
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The \fICURLOPT_CAPATH(3)\fP function apparently does not work in Windows due
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to some limitation in OpenSSL.
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The application does not have to keep the string around after setting this
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option.
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The default value for this can be figured out with \fICURLINFO_CAPATH(3)\fP.
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.SH DEFAULT
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A path detected at build time.
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.SH PROTOCOLS
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This functionality affects 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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GnuTLS, OpenSSL, mbedTLS and wolfSSL
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.SH EXAMPLE
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.nf
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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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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
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curl_easy_setopt(curl, CURLOPT_CAPATH, "/etc/cert-dir");
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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 curl 7.9.8
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.SH RETURN VALUE
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CURLE_OK if supported; or an error such as:
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CURLE_NOT_BUILT_IN \- Not supported by the SSL backend
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CURLE_UNKNOWN_OPTION
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CURLE_OUT_OF_MEMORY
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.SH SEE ALSO
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.BR CURLINFO_CAPATH (3),
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.BR CURLOPT_CAINFO (3),
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.BR CURLOPT_DEBUGFUNCTION (3),
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.BR CURLOPT_STDERR (3)
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