**************************************************************************
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* Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
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* This software is licensed as described in the file COPYING, which
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**************************************************************************

CURLOPT_GSSAPI_DELEGATION - set allowed GSS-API delegation #include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_GSSAPI_DELEGATION, long level); Set the long parameter level to CURLGSSAPI_DELEGATION_FLAG to allow unconditional GSSAPI credential delegation. The delegation is disabled by default since 7.21.7. Set the parameter to CURLGSSAPI_DELEGATION_POLICY_FLAG to delegate only if the OK-AS-DELEGATE flag is set in the service ticket in case this feature is supported by the GSS-API implementation and the definition of GSS_C_DELEG_POLICY_FLAG was available at compile-time. CURLGSSAPI_DELEGATION_NONE HTTP

CURL *curl = curl_easy_init();
if(curl) {
 CURLcode ret;
 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
 /* delegate if okayed by policy */
 curl_easy_setopt(curl, CURLOPT_GSSAPI_DELEGATION,
 CURLGSSAPI_DELEGATION_POLICY_FLAG);
 ret = curl_easy_perform(curl);
}

Added in 7.22.0 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. CURLOPT_HTTPAUTH "(3), " CURLOPT_PROXYAUTH "(3), "