+/*
+ * Cookie Caching stuff. Adam wrote this, apparently just some
+ * derivatives of n's SNAC work. I cleaned it up, added comments.
+ *
+ * I'm going to rewrite this stuff eventually, honest. -jbm
+ *
+ */
/*
- *
- *
+ * I'm assuming that cookies are type-specific. that is, we can have
+ * "1234578" for type 1 and type 2 concurrently. if i'm wrong, then we
+ * lose some error checking. if we assume cookies are not type-specific and are
+ * wrong, we get quirky behavior when cookies step on each others' toes.
*/
+#define FAIM_INTERNAL
#include <faim/aim.h>
-int aim_cachecookie(struct aim_session_t *sess,
- struct aim_msgcookie_t *cookie)
+/*
+ * aim_cachecookie:
+ * appends a cookie to the cookie list for sess.
+ * - if cookie->cookie for type cookie->type is found, -1 is returned
+ * - copies cookie struct; you need to free() it afterwards;
+ * - cookie->data is not copied, but passed along. don't free it.
+ * - cookie->type is just passed across.
+ *
+ * returns -1 on error, 0 on success.
+ */
+faim_internal int aim_cachecookie(struct aim_session_t *sess,
+ struct aim_msgcookie_t *cookie)
{
- struct aim_msgcookie_t *newcook = NULL, *cur = NULL;
-
- if (!cookie)
+ struct aim_msgcookie_t *newcook;
+
+ if (!sess || !cookie)
return -1;
+ printf("\t\tCC cache %d %s", cookie->type, cookie->cookie);
+ if(cookie->type == AIM_COOKIETYPE_OFTGET) {
+ struct aim_filetransfer_priv *priv;
+ priv = cookie->data;
+ printf("%s\n", priv->sn);
+ } else
+ printf("\n");
+
+ if( (newcook = aim_checkcookie(sess, cookie->cookie, cookie->type)) ) {
+ printf("aim_cachecookie: cookie already cached\n");
+ return -1;
+ }
+
if (!(newcook = malloc(sizeof(struct aim_msgcookie_t))))
return -1;
memcpy(newcook, cookie, sizeof(struct aim_msgcookie_t));
- newcook->addtime = time(NULL);
- newcook->next = NULL;
-
- cur = sess->msgcookies;
- if (cur == NULL) {
- sess->msgcookies = newcook;
- return 0;
- }
- while (cur->next != NULL)
- cur = cur->next;
- cur->next = newcook;
+ newcook->next = sess->msgcookies;
+ sess->msgcookies = newcook;
return 0;
}
-struct aim_msgcookie_t *aim_uncachecookie(struct aim_session_t *sess,
- char *cookie)
+/*
+ * aim_uncachecookie:
+ * takes a cookie string and grabs the cookie struct associated with
+ * it. removes struct from chain. returns the struct if found, or
+ * NULL on not found.
+ */
+faim_internal struct aim_msgcookie_t *aim_uncachecookie(struct aim_session_t *sess, unsigned char *cookie, int type)
{
- struct aim_msgcookie_t *cur;
+ struct aim_msgcookie_t *cur, **prev;
- if (!cookie)
+ if (!cookie || !sess->msgcookies)
return NULL;
- if (!sess->msgcookies)
- return NULL;
+ printf("\t\tCC uncache %d %s\n", type, cookie);
- if (memcmp(sess->msgcookies->cookie, cookie, 8) == 0) {
- cur = sess->msgcookies;
- sess->msgcookies = cur->next;
- return cur;
- }
-
- cur = sess->msgcookies;
- while (cur->next) {
- if (memcmp(cur->next->cookie, cookie, 8) == 0) {
- struct aim_msgcookie_t *tmp;
-
- tmp = cur->next;
- cur->next = cur->next->next;
- return tmp;
+ for (prev = &sess->msgcookies; (cur = *prev); ) {
+ if ((cur->type == type) &&
+ (memcmp(cur->cookie, cookie, 8) == 0)) {
+ *prev = cur->next;
+ return cur;
}
- cur = cur->next;
+ prev = &cur->next;
}
+
return NULL;
}
-/*
- */
-int aim_purgecookies(struct aim_session_t *sess)
+faim_internal struct aim_msgcookie_t *aim_mkcookie(unsigned char *c, int type, void *data)
{
- int maxage = 5*60;
- struct aim_msgcookie_t *cur;
- struct aim_msgcookie_t *remed = NULL;
- time_t curtime;
-
- cur = sess->msgcookies;
+ struct aim_msgcookie_t *cookie;
+
+ if (!c)
+ return NULL;
+
+ if (!(cookie = calloc(1, sizeof(struct aim_msgcookie_t))))
+ return NULL;
- curtime = time(&curtime);
-
- while (cur) {
- if ( (cur) && (((cur->addtime) + maxage) < curtime)) {
-#if DEBUG > 1
- printf("aimmsgcookie: WARNING purged obsolete message cookie %x%x%x%x %x%x%x%x\n",
- cur->cookie[0], cur->cookie[1], cur->cookie[2], cur->cookie[3],
- cur->cookie[4], cur->cookie[5], cur->cookie[6], cur->cookie[7]);
-#endif
- remed = aim_uncachecookie(sess, cur->cookie);
- if (remed) {
- if (remed->data)
- free(remed->data);
- free(remed);
- }
- }
- cur = cur->next;
- }
+ cookie->data = data;
+ cookie->type = type;
+ memcpy(cookie->cookie, c, 8);
- return 0;
+ return cookie;
+}
+
+faim_internal struct aim_msgcookie_t *aim_checkcookie(struct aim_session_t *sess, const unsigned char *cookie, const int type)
+{
+ struct aim_msgcookie_t *cur;
+
+ printf("\t\tCC check %d %s\n", type, cookie);
+
+ for (cur = sess->msgcookies; cur; cur = cur->next) {
+ if ((cur->type == type) &&
+ (memcmp(cur->cookie, cookie, 8) == 0))
+ return cur;
+ }
+
+ return NULL;
}
+faim_internal int aim_freecookie(struct aim_session_t *sess, struct aim_msgcookie_t *cookie) {
+ struct aim_msgcookie_t *cur, **prev;
+
+ if (!sess || !cookie)
+ return -1;
+
+ /*
+ * Make sure its not in the list somewhere still.
+ *
+ * If this actually happens, theres been a major coding failure
+ * on my part. However, that does not reduce its occurance likelyhood.
+ */
+ for (prev = &sess->msgcookies; (cur = *prev); ) {
+ if (cur == cookie) {
+ *prev = cur->next;
+ } else
+ prev = &cur->next;
+ }
+
+ free(cookie);
+
+ return 0;
+}
+
+faim_internal int aim_msgcookie_gettype(int reqclass) {
+ /* XXX: hokey-assed. needs fixed. */
+ switch(reqclass) {
+ case AIM_CAPS_BUDDYICON:
+ return AIM_COOKIETYPE_OFTICON;
+ break;
+ case AIM_CAPS_VOICE:
+ return AIM_COOKIETYPE_OFTVOICE;
+ break;
+ case AIM_CAPS_IMIMAGE:
+ return AIM_COOKIETYPE_OFTIMAGE;
+ break;
+ case AIM_CAPS_CHAT:
+ return AIM_COOKIETYPE_CHAT;
+ break;
+ case AIM_CAPS_GETFILE:
+ return AIM_COOKIETYPE_OFTGET;
+ break;
+ case AIM_CAPS_SENDFILE:
+ return AIM_COOKIETYPE_OFTSEND;
+ break;
+ default:
+ return AIM_COOKIETYPE_UNKNOWN;
+ break;
+ }
+}
andersk / libfaim.git / blobdiff