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CURLOPT_PROXY_CAPATH(3)             libcurl            CURLOPT_PROXY_CAPATH(3)

NAME

CURLOPT_PROXY_CAPATH - directory holding HTTPS proxy CA certificates

SYNOPSIS

#include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXY_CAPATH, char *capath);

DESCRIPTION

Pass a char * to a null-terminated string naming a directory holding multiple CA certificates to verify the HTTPS proxy with. If libcurl is built against OpenSSL, the certificate directory must be prepared using the OpenSSL c_rehash utility. This makes sense only when CURLOPT_PROXY_SSL_VERIFYPEER(3) is enabled (which it is by default). The application does not have to keep the string around after setting this option. The default value for this can be figured out with CURLINFO_CAPATH(3).

DEFAULT

NULL

PROTOCOLS

Everything used over an HTTPS proxy

EXAMPLE

CURL *curl = curl_easy_init(); if(curl) { curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/"); /* using an HTTPS proxy */ curl_easy_setopt(curl, CURLOPT_PROXY, "https://localhost:443"); curl_easy_setopt(curl, CURLOPT_PROXY_CAPATH, "/etc/cert-dir"); ret = curl_easy_perform(curl); curl_easy_cleanup(curl); }

AVAILABILITY

Added in 7.52.0 This option is supported by the OpenSSL, GnuTLS, and mbedTLS (since 7.56.0) backends. The NSS backend provides the option only for backward compatibility.

RETURN VALUE

CURLE_OK if supported; or an error such as: CURLE_NOT_BUILT_IN - Not supported by the SSL backend CURLE_UNKNOWN_OPTION CURLE_OUT_OF_MEMORY

SEE ALSO

CURLOPT_PROXY_CAINFO(3), CURLOPT_CAINFO(3), CURLOPT_PROXY_SSL_VERIFYHOST(3), CURLOPT_STDERR(3), CURLOPT_DEBUGFUNCTION(3), ibcurl 8.1.2 April 26, 2023 CURLOPT_PROXY_CAPATH(3)

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