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Man Pages


Manual Reference Pages  -  CURLOPT_COOKIELIST (3)

NAME

CURLOPT_COOKIELIST - add to or manipulate cookies held in memory

CONTENTS

Synopsis
Description
Default
Protocols
Example
Availability
Return Value

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_COOKIELIST, char *cookie);

DESCRIPTION

Pass a char * to a cookie string.

Such a cookie can be either a single line in Netscape / Mozilla format or just regular HTTP-style header (Set-Cookie: ...) format. This will also enable the cookie engine. This adds that single cookie to the internal cookie store.

Exercise caution if you are using this option and multiple transfers may occur. If you use the Set-Cookie format and don’t specify a domain then the cookie is sent for any domain (even after redirects are followed) and cannot be modified by a server-set cookie. If a server sets a cookie of the same name (or maybe you’ve imported one) then both will be sent on a future transfer to that server, likely not what you intended. To address these issues set a domain in Set-Cookie (doing that will include sub-domains) or use the Netscape format as shown in EXAMPLE.

Additionally, there are commands available that perform actions if you pass in these exact strings:
ALL erases all cookies held in memory

SESS erases all session cookies held in memory

FLUSH writes all known cookies to the file specified by CURLOPT_COOKIEJAR(3)

RELOAD loads all cookies from the files specified by CURLOPT_COOKIEFILE(3)

DEFAULT

NULL

PROTOCOLS

HTTP

EXAMPLE

/* This example shows an inline import of a cookie in Netscape format.
You can set the cookie as HttpOnly to prevent XSS attacks by prepending
#HttpOnly_ to the hostname. That may be useful if the cookie will later
be imported by a browser.
*/

#define SEP "\t" /* Tab separates the fields */

char *my_cookie = "example.com" /* Hostname */ SEP "FALSE" /* Include subdomains */ SEP "/" /* Path */ SEP "FALSE" /* Secure */ SEP "0" /* Expiry in epoch time format. 0 == Session */ SEP "foo" /* Name */ SEP "bar"; /* Value */

/* my_cookie is imported immediately via CURLOPT_COOKIELIST. */ curl_easy_setopt(curl, CURLOPT_COOKIELIST, my_cookie);

/* The list of cookies in cookies.txt will not be imported until right before a transfer is performed. Cookies in the list that have the same hostname, path and name as in my_cookie are skipped. That is because libcurl has already imported my_cookie and it’s considered a "live" cookie. A live cookie won’t be replaced by one read from a file. */ curl_easy_setopt(curl, CURLOPT_COOKIEFILE, "cookies.txt"); /* import */

/* Cookies are exported after curl_easy_cleanup is called. The server may have added, deleted or modified cookies by then. The cookies that were skipped on import are not exported. */ curl_easy_setopt(curl, CURLOPT_COOKIEJAR, "cookies.txt"); /* export */

res = curl_easy_perform(curl); /* cookies imported from cookies.txt */

curl_easy_cleanup(curl); /* cookies exported to cookies.txt */

AVAILABILITY

ALL was added in 7.14.1

SESS was added in 7.15.4

FLUSH was added in 7.17.1

RELOAD was added in 7.39.0

RETURN VALUE

Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or CURLE_OUT_OF_MEMORY if there was insufficient heap space.

SEE ALSO

CURLOPT_COOKIEFILE(3), CURLOPT_COOKIEJAR(3), CURLOPT_COOKIE(3), CURLINFO_COOKIELIST(3),
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libcurl 7.37.0 CURLOPT_COOKIELIST (3) 19 Jun 2014

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