98 lines
2.7 KiB
Markdown
98 lines
2.7 KiB
Markdown
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---
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c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLOPT_COOKIE
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Section: 3
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Source: libcurl
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See-also:
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- CURLINFO_COOKIELIST (3)
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- CURLOPT_COOKIEFILE (3)
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- CURLOPT_COOKIEJAR (3)
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- CURLOPT_COOKIELIST (3)
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- CURLOPT_HTTPHEADER (3)
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---
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# NAME
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CURLOPT_COOKIE - HTTP Cookie header
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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_COOKIE, char *cookie);
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~~~
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# DESCRIPTION
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Pass a pointer to a null-terminated string as parameter. It is used to set one
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or more cookies in the HTTP request. The format of the string should be
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NAME=CONTENTS, where NAME is the cookie name and CONTENTS is what the cookie
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should contain.
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To set multiple cookies, set them all using a single option concatenated like
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this: "name1=content1; name2=content2;" etc.
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This option sets the cookie header explicitly in the outgoing request(s). If
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multiple requests are done due to authentication, followed redirections or
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similar, they all get this cookie passed on.
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The cookies set by this option are separate from the internal cookie storage
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held by the cookie engine and they are not be modified by it. If you enable
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the cookie engine and either you have imported a cookie of the same name
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(e.g. 'foo') or the server has set one, it has no effect on the cookies you
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set here. A request to the server sends both the 'foo' held by the cookie
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engine and the 'foo' held by this option. To set a cookie that is instead held
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by the cookie engine and can be modified by the server use
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CURLOPT_COOKIELIST(3).
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Using this option multiple times makes the last set string override the
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previous ones.
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This option does not enable the cookie engine. Use CURLOPT_COOKIEFILE(3)
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or CURLOPT_COOKIEJAR(3) to enable parsing and sending cookies
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automatically.
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The application does not have to keep the string around after setting this
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option.
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If libcurl is built with PSL (*Public Suffix List*) support, it detects and
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discards cookies that are specified for such suffix domains that should not be
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allowed to have cookies. If libcurl is *not* built with PSL support, it has no
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ability to stop super cookies. PSL support is identified by the
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**CURL_VERSION_PSL** feature bit returned by curl_version_info(3).
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# DEFAULT
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NULL, no cookies
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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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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
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curl_easy_setopt(curl, CURLOPT_COOKIE, "tool=curl; fun=yes;");
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curl_easy_perform(curl);
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}
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}
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~~~
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# AVAILABILITY
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If HTTP is enabled
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# RETURN VALUE
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Returns CURLE_OK if HTTP is enabled, CURLE_UNKNOWN_OPTION if not, or
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CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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