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74 lines
2.7 KiB
Groff
74 lines
2.7 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLOPT_COOKIE.md
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.TH CURLOPT_COOKIE 3 "2024-09-25" libcurl
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.SH NAME
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CURLOPT_COOKIE \- HTTP Cookie header
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.SH SYNOPSIS
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.nf
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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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.fi
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.SH 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. libcurl does not syntax check the
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data but assumes the application gives it what it needs to send.
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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 (e.g.
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\(aqfoo\(aq) or the server has set one, it has no effect on the cookies you set
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here. A request to the server sends both the \(aqfoo\(aq held by the cookie engine
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and the \(aqfoo\(aq held by this option. To set a cookie that is instead held by the
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cookie engine and can be modified by the server use \fICURLOPT_COOKIELIST(3)\fP.
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Since this custom cookie is appended to the Cookie: header in addition to any
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cookies set by the cookie engine, there is a risk that the header ends up too
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long and thereby getting the entire request rejected by the server.
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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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Using this option multiple times makes the last set string override the
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previous ones. Set it to NULL to disable its use again.
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This option does not enable the cookie engine. Use \fICURLOPT_COOKIEFILE(3)\fP or
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\fICURLOPT_COOKIEJAR(3)\fP to enable parsing and sending cookies automatically.
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.SH DEFAULT
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NULL, no cookies
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.SH PROTOCOLS
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This functionality affects http only
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.SH EXAMPLE
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.nf
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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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.fi
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.SH AVAILABILITY
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Added in curl 7.1
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.SH 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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.SH SEE ALSO
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.BR CURLINFO_COOKIELIST (3),
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.BR CURLOPT_COOKIEFILE (3),
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.BR CURLOPT_COOKIEJAR (3),
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.BR CURLOPT_COOKIELIST (3),
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.BR CURLOPT_HTTPHEADER (3)
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