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  1. diff -Naur a/lib/Net/SNMP.pm b/lib/Net/SNMP.pm
  2. --- a/lib/Net/SNMP.pm	2011-12-24 00:41:27.000000000 +0100
  3. +++ b/lib/Net/SNMP.pm	2012-02-21 13:17:04.000000000 +0100
  4. @@ -2564,7 +2564,7 @@
  5.  
  6.     if ($this->{_security}->discovered()) {
  7.        DEBUG_INFO('discovery complete');
  8. -      return $this->_discovery_complete();
  9. +      $this->_discovery_complete();
  10.     }
  11.  
  12.     # "If authenticated communication is required, then the discovery
  13. @@ -2618,7 +2618,7 @@
  14.     # assume that the synchronization has failed.
  15.  
  16.     if (($this->{_security}->discovered()) &&
  17. -       ($this->{_error} =~ /usmStatsNotInTimeWindows/))
  18. +       ((!$this->{_error}) || ($this->{_error} =~ /usmStatsNotInTimeWindows/)))
  19.     {
  20.        $this->_error_clear();
  21.        DEBUG_INFO('discovery and synchronization complete');
  22. diff -Naur a/lib/Net/SNMP/Security/USM.pm b/lib/Net/SNMP/Security/USM.pm
  23. --- a/lib/Net/SNMP/Security/USM.pm	2011-12-24 00:41:27.000000000 +0100
  24. +++ b/lib/Net/SNMP/Security/USM.pm	2012-02-21 13:20:47.000000000 +0100
  25. @@ -471,6 +471,16 @@
  26.        );
  27.     }
  28.  
  29. +   # Synchronize the time
  30. +   if (!$this->_synchronize($msg_engine_boots, $msg_engine_time)) {
  31. +      return $this->_error();
  32. +   }
  33. +
  34. +   # Check for timeliness
  35. +   if (!defined $this->_timeliness($msg_engine_boots, $msg_engine_time)) {
  36. +      return $this->_error();
  37. +   }
  38. +
  39.     if ($security_level > SECURITY_LEVEL_NOAUTHNOPRIV) {
  40.  
  41.        # Authenticate the message
  42. @@ -478,16 +488,6 @@
  43.           return $this->_error();
  44.        }
  45.  
  46. -      # Synchronize the time
  47. -      if (!$this->_synchronize($msg_engine_boots, $msg_engine_time)) {
  48. -         return $this->_error();
  49. -      }
  50. -
  51. -      # Check for timeliness
  52. -      if (!defined $this->_timeliness($msg_engine_boots, $msg_engine_time)) {
  53. -         return $this->_error();
  54. -      }
  55. -
  56.        if ($security_level > SECURITY_LEVEL_AUTHNOPRIV) {
  57.  
  58.           # Validate the msgPrivacyParameters length.
  59.