+/*
+ * Purge external auth assocations for missing users (theoretically this will never delete anything)
+ */
+int PurgeStaleExtAuthAssociations(void) {
+ struct cdbdata *cdboi;
+ struct ctdluser usbuf;
+ HashList *keys = NULL;
+ HashPos *HashPos;
+ char *deleteme = NULL;
+ long len;
+ void *Value;
+ const char *Key;
+ int num_deleted = 0;
+ long usernum = 0L;
+
+ keys = NewHash(1, NULL);
+ if (!keys) return(0);
+
+
+ cdb_rewind(CDB_EXTAUTH);
+ while (cdboi = cdb_next_item(CDB_EXTAUTH), cdboi != NULL) {
+ if (cdboi->len > sizeof(long)) {
+ memcpy(&usernum, cdboi->ptr, sizeof(long));
+ if (CtdlGetUserByNumber(&usbuf, usernum) != 0) {
+ deleteme = strdup(cdboi->ptr + sizeof(long)),
+ Put(keys, deleteme, strlen(deleteme), deleteme, NULL);
+ }
+ }
+ cdb_free(cdboi);
+ }
+
+ /* Go through the hash list, deleting keys we stored in it */
+
+ HashPos = GetNewHashPos(keys, 0);
+ while (GetNextHashPos(keys, HashPos, &len, &Key, &Value)!=0)
+ {
+ syslog(LOG_DEBUG, "Deleting associated external authenticator <%s>", (char*)Value);
+ cdb_delete(CDB_EXTAUTH, Value, strlen(Value));
+ /* note: don't free(Value) -- deleting the hash list will handle this for us */
+ ++num_deleted;
+ }
+ DeleteHashPos(&HashPos);
+ DeleteHash(&keys);
+ return num_deleted;
+}
+
+
+void purge_databases(void)
+{