Peteris Krumins added CURLOPT_COOKIELIST and CURLINFO_COOKIELIST, which is a

simple interface to extracting and setting cookies in libcurl's internal
"cookie jar". See the new cookie_interface.c example code.

docs/examples/Makefile.am

@@ -10,7 +10,8 @@ EXTRA_DIST = README curlgtk.c sepheaders.c simple.c postit2.c		\
  post-callback.c multi-app.c multi-double.c multi-single.c		\
  multi-post.c fopen.c simplepost.c makefile.dj curlx.c https.c		\
  multi-debugcallback.c fileupload.c getinfo.c ftp3rdparty.c debug.c	\
- anyauthput.c htmltitle.cc htmltidy.c opensslthreadlock.c
+ anyauthput.c htmltitle.cc htmltidy.c opensslthreadlock.c		\
+ cookie_interface.c
 
 all:
 	@echo "done"

docs/examples/cookie_interface.c

@@ -0,0 +1,110 @@
+/*****************************************************************************
+ *                                  _   _ ____  _
+ *  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, NULL);
+
+    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;
+}

docs/examples/makefile.dj

@@ -20,7 +20,8 @@ PROGRAMS  = fopen.exe ftpget.exe ftpgetresp.exe ftpupload.exe \
             multi-double.exe multi-post.exe multi-single.exe \
             persistant.exe post-callback.exe postit2.exe \
             sepheaders.exe simple.exe simplessl.exe https.exe \
-            ftp3rdparty.exe getinfo.exe anyauthput.exe
+            ftp3rdparty.exe getinfo.exe anyauthput.exe \
+            cookie_interface.exe
 
 all: $(PROGRAMS)
 

docs/libcurl/curl_easy_getinfo.3

@@ -134,6 +134,13 @@ counted).  Combined with \fICURLINFO_REDIRECT_COUNT\fP you are able to know
 how many times libcurl successfully reused existing connection(s) or not.  See
 the Connection Options of \fIcurl_easy_setopt(3)\fP to see how libcurl tries
 to make persistent connections to save time.  (Added in 7.12.3)
+.IP CURLINFO_COOKIELIST
+Pass a pointer to a 'struct curl_slist *' to receive a linked-list of all
+cookies cURL knows (expired ones, too). Don't forget to
+\fIcurl_slist_free_all(3)\fP the list after it has been used.
+If there are no cookies (cookies for the handle have not been enabled or
+simply none have been received) 'struct curl_slist *' will be set to
+point to NULL. 
 .SH RETURN VALUE
 If the operation was successful, CURLE_OK is returned. Otherwise an
 appropriate error code will be returned.

docs/libcurl/curl_easy_setopt.3

@@ -654,6 +654,12 @@ cookies" from the previous session. By default, libcurl always stores and
 loads all cookies, independent if they are session cookies are not. Session
 cookies are cookies without expiry date and they are meant to be alive and
 existing for this "session" only.
+.IP CURLOPT_COOKIELIST
+Pass a char * to a cookie string. Cookie can be either in Netscape / Mozilla
+format or just regular HTTP-style header (Set-Cookie: ...) format.  The passed
+string will get modified so make sure it's writable.  If cURL cookie engine
+was not enabled it will enable its cookie engine.  Passing a magic string
+\&"ALL" will erase all cookies known by cURL.
 .IP CURLOPT_HTTPGET
 Pass a long. If the long is non-zero, this forces the HTTP request to get back
 to GET. usable if a POST, HEAD, PUT or a custom request have been used