1CURLOPT_CAPATH(3) curl_easy_setopt options CURLOPT_CAPATH(3)
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6 CURLOPT_CAPATH - directory holding CA certificates
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9 #include <curl/curl.h>
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11 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CAPATH, char *capath);
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14 Pass a char * to a null-terminated string naming a directory holding
15 multiple CA certificates to verify the peer with. If libcurl is built
16 against OpenSSL, the certificate directory must be prepared using the
17 openssl c_rehash utility. This makes sense only when used in combina‐
18 tion with the CURLOPT_SSL_VERIFYPEER(3) option.
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20 The CURLOPT_CAPATH(3) function apparently does not work in Windows due
21 to some limitation in openssl.
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23 The application does not have to keep the string around after setting
24 this option.
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26 The default value for this can be figured out with CURLINFO_CAPATH(3).
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29 A default path detected at build time.
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32 All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.
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35 CURL *curl = curl_easy_init();
36 if(curl) {
37 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
38 curl_easy_setopt(curl, CURLOPT_CAPATH, "/etc/cert-dir");
39 ret = curl_easy_perform(curl);
40 curl_easy_cleanup(curl);
41 }
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44 This option is supported by the OpenSSL, GnuTLS and mbedTLS (since
45 7.56.0) backends. The NSS backend provides the option only for backward
46 compatibility.
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49 CURLE_OK if supported; or an error such as:
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51 CURLE_NOT_BUILT_IN - Not supported by the SSL backend
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53 CURLE_UNKNOWN_OPTION
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55 CURLE_OUT_OF_MEMORY
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58 CURLOPT_CAINFO(3), CURLOPT_STDERR(3), CURLOPT_DEBUGFUNCTION(3),
59 CURLINFO_CAPATH(3),
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63libcurl 7.85.0 May 17, 2022 CURLOPT_CAPATH(3)