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CURLOPT_PROXYAUTH(3) Library Functions Manual CURLOPT_PROXYAUTH(3) NAME CURLOPT_PROXYAUTH - HTTP proxy authentication methods SYNOPSIS #include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXYAUTH, long bitmask); DESCRIPTION Pass a long as parameter, which is set to a bitmask, to tell libcurl which HTTP authentication method(s) you want it to use for your proxy authentication. If more than one bit is set, libcurl first queries the site to see what authentication methods it supports and then it picks the best one you allow it to use. For some methods, this induces an ex- tra network round-trip. Set the actual name and password with the CUR- LOPT_PROXYUSERPWD(3) option. The bitmask can be constructed by the bits listed and described in the CURLOPT_HTTPAUTH(3) man page. DEFAULT CURLAUTH_BASIC PROTOCOLS This functionality affects all supported protocols EXAMPLE int main(void) { CURL *curl = curl_easy_init(); if(curl) { CURLcode ret; curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/"); /* use this proxy */ curl_easy_setopt(curl, CURLOPT_PROXY, "http://local.example.com:1080"); /* allow whatever auth the proxy speaks */ curl_easy_setopt(curl, CURLOPT_PROXYAUTH, CURLAUTH_ANY); /* set the proxy credentials */ curl_easy_setopt(curl, CURLOPT_PROXYUSERPWD, "james:007"); ret = curl_easy_perform(curl); curl_easy_cleanup(curl); } } AVAILABILITY Added in curl 7.10.7 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_HTTPAUTH(3), CURLOPT_PROXY(3), CURLOPT_PROXYPORT(3), CUR- LOPT_PROXYTYPE(3), CURLOPT_PROXYUSERPWD(3) libcurl 2025-06-03 CURLOPT_PROXYAUTH(3)
NAME | SYNOPSIS | DESCRIPTION | DEFAULT | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO
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