warn on startup that we don't provide anonymity

make exit dns cache entries last 15 minutes


svn:r807

src/or/dns.c

@@ -130,8 +130,7 @@ int dns_resolve(connection_t *exitconn) {
     resolve = tor_malloc(sizeof(struct cached_resolve));
     memset(resolve, 0, sizeof(struct cached_resolve));
     resolve->state = CACHE_STATE_PENDING;
-    resolve->expire = now + 100; /* XXX for testing. when we're confident, switch it back */
-//    resolve->expire = now + 86400; /* now + 1 day */
+    resolve->expire = now + 15*60; /* 15 minutes */
     strncpy(resolve->question, exitconn->address, MAX_ADDRESSLEN);
 
     /* add us to the pending list */

src/or/main.c

@@ -751,6 +751,7 @@ int tor_main(int argc, char *argv[]) {
 
   /* give it somewhere to log to initially */
   add_stream_log(LOG_INFO, "<stdout>", stdout);
+  log_fn(LOG_WARN,"Tor v%s. This is experimental software. Do not use it if you need anonymity.",VERSION);
 
   if(getconfig(argc,argv,&options)) {
     log_fn(LOG_ERR,"Reading config failed. For usage, try -h.");