81 lines
1.7 KiB
Markdown
81 lines
1.7 KiB
Markdown
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---
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c: Copyright (C) Daniel Stenberg, <daniel.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLOPT_PROXYHEADER
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Section: 3
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Source: libcurl
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See-also:
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- CURLOPT_HEADEROPT (3)
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- CURLOPT_HTTPHEADER (3)
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---
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# NAME
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CURLOPT_PROXYHEADER - set of HTTP headers to pass to proxy
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# SYNOPSIS
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~~~c
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXYHEADER,
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struct curl_slist *headers);
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~~~
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# DESCRIPTION
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Pass a pointer to a linked list of HTTP headers to pass in your HTTP request
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sent to a proxy. The rules for this list is identical to the
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CURLOPT_HTTPHEADER(3) option's.
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The headers set with this option is only ever used in requests sent to a proxy
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- when there is also a request sent to a host.
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The first line in a request (containing the method, usually a GET or POST) is
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NOT a header and cannot be replaced using this option. Only the lines
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following the request-line are headers. Adding this method line in this list
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of headers causes your request to send an invalid header.
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Pass a NULL to this to reset back to no custom headers.
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# DEFAULT
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NULL
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# PROTOCOLS
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HTTP
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# EXAMPLE
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~~~c
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int main(void)
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{
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CURL *curl = curl_easy_init();
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struct curl_slist *list;
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
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curl_easy_setopt(curl, CURLOPT_PROXY, "http://proxy.example.com:80");
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list = curl_slist_append(NULL, "Shoesize: 10");
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list = curl_slist_append(list, "Accept:");
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curl_easy_setopt(curl, CURLOPT_PROXYHEADER, list);
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curl_easy_perform(curl);
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curl_slist_free_all(list); /* free the list again */
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}
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}
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~~~
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# AVAILABILITY
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Added in 7.37.0
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# RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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