From d0a5c4f9848f44c46f001428bd3078673033ef19 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Thu, 24 May 2007 17:12:54 +0000
Subject: [PATCH]  r12915@catbus:  nickm | 2007-05-24 12:12:34 -0400  Do not
 send a warning when somebody uploads an extrainfo that we will reject, if it
 happens to be newer than our current routerdesc.

svn:r10303
---
 src/or/dirserv.c    | 14 ++++++--------
 src/or/routerlist.c | 11 +++++++----
 2 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/src/or/dirserv.c b/src/or/dirserv.c
index 52fde805b7..050570b54d 100644
--- a/src/or/dirserv.c
+++ b/src/or/dirserv.c
@@ -34,11 +34,9 @@ static int the_v2_networkstatus_is_dirty = 1;
 static void directory_remove_invalid(void);
 static cached_dir_t *dirserv_regenerate_directory(void);
 static char *format_versions_list(config_line_t *ln);
-/* Should be static; exposed for testing */
-/* XXXX020 not actually tested. */
 struct authdir_config_t;
-int add_fingerprint_to_dir(const char *nickname, const char *fp,
-                           struct authdir_config_t *list);
+static int add_fingerprint_to_dir(const char *nickname, const char *fp,
+                                  struct authdir_config_t *list);
 static uint32_t dirserv_router_get_status(const routerinfo_t *router,
                                           const char **msg);
 static uint32_t
@@ -75,8 +73,7 @@ typedef struct authdir_config_t {
 } authdir_config_t;
 
 /** Should be static; exposed for testing. */
-/* XXXX020 not actually tested. */
-authdir_config_t *fingerprint_list = NULL;
+static authdir_config_t *fingerprint_list = NULL;
 
 /** Allocate and return a new, empty, authdir_config_t. */
 static authdir_config_t *
@@ -621,6 +618,7 @@ static int
 dirserv_add_extrainfo(extrainfo_t *ei, const char **msg)
 {
   routerinfo_t *ri;
+  int r;
   tor_assert(msg);
   *msg = NULL;
 
@@ -630,9 +628,9 @@ dirserv_add_extrainfo(extrainfo_t *ei, const char **msg)
     extrainfo_free(ei);
     return -1;
   }
-  if (routerinfo_incompatible_with_extrainfo(ri, ei, msg)) {
+  if ((r = routerinfo_incompatible_with_extrainfo(ri, ei, msg))) {
     extrainfo_free(ei);
-    return -1;
+    return r < 0 ? 0 : -1;
   }
   router_add_extrainfo_to_routerlist(ei, msg, 0, 0);
   return 2;
diff --git a/src/or/routerlist.c b/src/or/routerlist.c
index bb06970ff8..c7ecd6a6bb 100644
--- a/src/or/routerlist.c
+++ b/src/or/routerlist.c
@@ -4964,7 +4964,8 @@ router_differences_are_cosmetic(routerinfo_t *r1, routerinfo_t *r2)
   return 1;
 }
 
-/** DOCDOC */
+/** DOCDOC  Returns 1 for "reject with message"; -1 for "reject silently",
+ * 0 for "accept". */
 int
 routerinfo_incompatible_with_extrainfo(routerinfo_t *ri, extrainfo_t *ei,
                                        const char **msg)
@@ -4972,8 +4973,10 @@ routerinfo_incompatible_with_extrainfo(routerinfo_t *ri, extrainfo_t *ei,
   tor_assert(ri);
   tor_assert(ei);
 
-  if (ei->bad_sig)
+  if (ei->bad_sig) {
+    if (msg) *msg = "Extrainfo signature was bad, or signed with wrong key.";
     return 1;
+  }
 
   /* The nickname must match exactly to have been generated at the same time
    * by the same rotuer.  */
@@ -4999,10 +5002,10 @@ routerinfo_incompatible_with_extrainfo(routerinfo_t *ri, extrainfo_t *ei,
     tor_free(ei->pending_sig);
   }
 
-  if (ei->cache_info.published_on < ei->cache_info.published_on) {
+  if (ei->cache_info.published_on < ri->cache_info.published_on) {
     if (msg) *msg = "Extrainfo published time did not match routerdesc";
     return 1;
-  } else if (ei->cache_info.published_on > ei->cache_info.published_on) {
+  } else if (ei->cache_info.published_on > ri->cache_info.published_on) {
     if (msg) *msg = "Extrainfo published time did not match routerdesc";
     return -1;
   }