curl/docs/examples/cookie_interface.c

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/*****************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* This example shows usage of simple cookie interface.
*/
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <time.h>
#include <curl/curl.h>
static void
print_cookies(CURL *curl)
{
CURLcode res;
struct curl_slist *cookies;
struct curl_slist *nc;
int i;
printf("Cookies, curl knows:\n");
res = curl_easy_getinfo(curl, CURLINFO_COOKIELIST, &cookies);
if (res != CURLE_OK) {
fprintf(stderr, "Curl curl_easy_getinfo failed: %s\n", curl_easy_strerror(res));
exit(1);
}
nc = cookies, i = 1;
while (nc) {
printf("[%d]: %s\n", i, nc->data);
nc = nc->next;
i++;
}
if (i == 1) {
printf("(none)\n");
}
curl_slist_free_all(cookies);
}
int
main(void)
{
CURL *curl;
CURLcode res;
curl_global_init(CURL_GLOBAL_ALL);
curl = curl_easy_init();
if (curl) {
char nline[256];
curl_easy_setopt(curl, CURLOPT_URL, "http://www.google.com/"); /* google.com sets "PREF" cookie */
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
curl_easy_setopt(curl, CURLOPT_COOKIEFILE, ""); /* just to start the cookie engine */
res = curl_easy_perform(curl);
if (res != CURLE_OK) {
fprintf(stderr, "Curl perform failed: %s\n", curl_easy_strerror(res));
return 1;
}
print_cookies(curl);
printf("Erasing curl's knowledge of cookies!\n");
curl_easy_setopt(curl, CURLOPT_COOKIELIST, "ALL");
print_cookies(curl);
printf("-----------------------------------------------\n"
"Setting a cookie \"PREF\" via cookie interface:\n");
#ifdef WIN32
#define snprintf _snprintf
#endif
/* Netscape format cookie */
snprintf(nline, 256, "%s\t%s\t%s\t%s\t%u\t%s\t%s",
".google.com", "TRUE", "/", "FALSE", time(NULL) + 31337, "PREF", "hello google, i like you very much!");
res = curl_easy_setopt(curl, CURLOPT_COOKIELIST, nline);
if (res != CURLE_OK) {
fprintf(stderr, "Curl curl_easy_setopt failed: %s\n", curl_easy_strerror(res));
return 1;
}
/* HTTP-header style cookie */
snprintf(nline, 256,
"Set-Cookie: OLD_PREF=3d141414bf4209321; "
"expires=Sun, 17-Jan-2038 19:14:07 GMT; path=/; domain=.google.com");
res = curl_easy_setopt(curl, CURLOPT_COOKIELIST, nline);
if (res != CURLE_OK) {
fprintf(stderr, "Curl curl_easy_setopt failed: %s\n", curl_easy_strerror(res));
return 1;
}
print_cookies(curl);
res = curl_easy_perform(curl);
if (res != CURLE_OK) {
fprintf(stderr, "Curl perform failed: %s\n", curl_easy_strerror(res));
return 1;
}
}
else {
fprintf(stderr, "Curl init failed!\n");
return 1;
}
curl_global_cleanup();
return 0;
}