CURLOPT_SOCKS5_GSSAPI_NEC(3)

1CURLOPT_SOCKS5_GSSAPI_NEC(3)curl_easy_setopt optionsCURLOPT_SOCKS5_GSSAPI_NEC(3)
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NAME

6       CURLOPT_SOCKS5_GSSAPI_NEC - socks proxy gssapi negotiation protection
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SYNOPSIS

9       #include <curl/curl.h>
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11       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SOCKS5_GSSAPI_NEC, long nec);
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DESCRIPTION

14       Pass  a  long set to 1 to enable or 0 to disable. As part of the gssapi
15       negotiation a protection mode is negotiated. The RFC1961 says  in  sec‐
16       tion  4.3/4.4 it should be protected, but the NEC reference implementa‐
17       tion does not.  If enabled, this option allows the unprotected exchange
18       of the protection mode negotiation.
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DEFAULT

21       ?
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PROTOCOLS

24       Most
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EXAMPLE

27       CURL *curl = curl_easy_init();
28       if(curl) {
29         curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
30         curl_easy_setopt(curl, CURLOPT_PROXY, "socks5://proxy");
31         curl_easy_setopt(curl, CURLOPT_SOCKS5_GSSAPI_NEC, 1L);
32         ret = curl_easy_perform(curl);
33         curl_easy_cleanup(curl);
34       }
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AVAILABILITY

37       Added in 7.19.4
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RETURN VALUE

40       Returns  CURLE_OK  if the option is supported, and CURLE_UNKNOWN_OPTION
41       if not.
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