[tor-commits] [tor/master] Fix relay_command_to_string(); solve 12700.

[nickm@xxxxxxxxxxxxxx]

commit 1196ed7cc4fc202e43ca102a73befe62aa65767d
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Mon Aug 18 13:19:43 2014 -0400

    Fix relay_command_to_string(); solve 12700.
    
    Two bugs here:
      1) We didn't add EXTEND2/EXTENDED2 to relay_command_to_string().
    
      2) relay_command_to_string() didn't log the value of unrecognized
         commands.
    
    Both fixed here.
---
 changes/bug12700 |   10 ++++++++++
 src/or/relay.c   |    8 +++++++-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/changes/bug12700 b/changes/bug12700
new file mode 100644
index 0000000..1d8caeb
--- /dev/null
+++ b/changes/bug12700
@@ -0,0 +1,10 @@
+  o Minor bugfixes:
+    - When logging information about an EXTEND2 or EXTENDED2 cell, log
+      their names correctly. Fixes part of bug 12700; bugfix on
+      0.2.4.8-alpha.
+
+  o Minor bugfixes:
+    - When logging information about a relay cell whose command we
+      don't recognize, log its command as an integer. Fixes part of
+      bug 12700; bugfix on 0.2.1.10-alpha.
+
diff --git a/src/or/relay.c b/src/or/relay.c
index 7f06c6e..fffd45d 100644
--- a/src/or/relay.c
+++ b/src/or/relay.c
@@ -517,6 +517,7 @@ relay_header_unpack(relay_header_t *dest, const uint8_t *src)
 static const char *
 relay_command_to_string(uint8_t command)
 {
+  static char buf[64];
   switch (command) {
     case RELAY_COMMAND_BEGIN: return "BEGIN";
     case RELAY_COMMAND_DATA: return "DATA";
@@ -541,7 +542,12 @@ relay_command_to_string(uint8_t command)
     case RELAY_COMMAND_RENDEZVOUS_ESTABLISHED:
       return "RENDEZVOUS_ESTABLISHED";
     case RELAY_COMMAND_INTRODUCE_ACK: return "INTRODUCE_ACK";
-    default: return "(unrecognized)";
+    case RELAY_COMMAND_EXTEND2: return "EXTEND2";
+    case RELAY_COMMAND_EXTENDED2: return "EXTENDED2";
+    default:
+      tor_snprintf(buf, sizeof(buf), "Unrecognized relay command %u",
+                   (unsigned)command);
+      return buf;
   }
 }
 



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