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CURLOPT_DO...RIFYSTATUS(3) Library Functions Manual CURLOPT_DO...RIFYSTATUS(3) NAME CURLOPT_DOH_SSL_VERIFYSTATUS - verify the DoH SSL certificate's status SYNOPSIS #include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DOH_SSL_VERIFYSTATUS, long verify); DESCRIPTION Pass a long as parameter set to 1 to enable or 0 to disable. This option determines whether libcurl verifies the status of the DoH (DNS-over-HTTPS) server cert using the "Certificate Status Request" TLS ex- tension (aka. OCSP stapling). This option is the DoH equivalent of CURLOPT_SSL_VERIFYSTATUS(3) and only affects requests to the DoH server. If this option is enabled and the server does not support the TLS exten- sion, the verification fails. DEFAULT 0 PROTOCOLS This functionality affects all TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc. only This option works only with the following TLS backends: GnuTLS and OpenSSL EXAMPLE int main(void) { CURL *curl = curl_easy_init(); if(curl) { CURLcode result; curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); curl_easy_setopt(curl, CURLOPT_DOH_URL, "https://cloudflare-dns.com/dns-query"); /* Ask for OCSP stapling when verifying the DoH server */ curl_easy_setopt(curl, CURLOPT_DOH_SSL_VERIFYSTATUS, 1L); result = curl_easy_perform(curl); curl_easy_cleanup(curl); } } AVAILABILITY Added in curl 7.76.0 RETURN VALUE curl_easy_setopt(3) returns a CURLcode indicating success or error. CURLE_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors(3). SEE ALSO CURLOPT_DOH_SSL_VERIFYHOST(3), CURLOPT_DOH_SSL_VERIFYPEER(3), CUR- LOPT_SSL_VERIFYSTATUS(3) libcurl 2026-07-30 CURLOPT_DO...RIFYSTATUS(3)
NAME | SYNOPSIS | DESCRIPTION | DEFAULT | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO
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