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CURLOPT_COOKIELIST(3)

CURLOPT_COOKIELIST(3)      curl_easy_setopt options      CURLOPT_COOKIELIST(3)

NAME
       CURLOPT_COOKIELIST - add to or manipulate cookies held in memory

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 in‐
       ternal cookie store.

       Exercise caution if you are using this option  and  multiple  transfers
       may  occur.   If you use the Set-Cookie format and do not specify a do‐
       main 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 have  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_COOK‐
              IEJAR(3)


       RELOAD loads  all  cookies  from  the  files specified by CURLOPT_COOK‐
              IEFILE(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 will not 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 */

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

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

Cookie file format
       The cookie file format and general cookie  concepts  in  curl  are  de‐
       scribed online here: https://curl.se/docs/http-cookies.html

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),

libcurl 7.86.0                 October 04, 2022          CURLOPT_COOKIELIST(3)
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