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Bug#12873214 WINDOWS AUTHENTICATION PLUGIN PRODUCES EXCESSIVE RECORDS IN SERVER ERROR LOG

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Changed semantics of AUTHENTICATION_WIN_LOG environment variable recognized by client library to accept the following values which are levels of logging done during Windows authentication handshake:
      
  0 - no logging
  1 - log only error messages
  2 - additionally log warnings
  3 - additionally log info notes
  4 - also log debug messages
      
Setting it to 'on', 'yes' or 'true' will request log level 2 and setting it to 'debug' or 'dbug' will request log level 4.
This commit is contained in:
Rafal Somla
2011-09-07 20:02:35 +02:00
parent 0750d88c15
commit cee822ca79
4 changed files with 61 additions and 33 deletions
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50
libmysql/authentication_win/log_client.cc
View File

@ -16,36 +16,32 @@
#include <my_global.h>
#include "common.h"
/**
This option is set in win_auth_handshake_client() function
in handshake_client.cc.
Values:
0 - no logging
1 - log error/warning/info messages
2 - also log debug messages
Note: No error or debug messages are logged in production code
(see logging macros in common.h).
*/
int opt_auth_win_client_log= 0;
// Client-side logging function
void error_log_vprint(error_log_level::type level,
const char *fmt, va_list args)
{
if (0 == opt_auth_win_client_log)
return;
const char *level_string= "";
int log_level= get_log_level();
switch (level)
{
case error_log_level::INFO: level_string= "Note"; break;
case error_log_level::WARNING: level_string= "Warning"; break;
case error_log_level::ERROR: level_string= "ERROR"; break;
case error_log_level::INFO:
if (3 > log_level)
return;
level_string= "Note";
break;
case error_log_level::WARNING:
if (2 > log_level)
return;
level_string= "Warning";
break;
case error_log_level::ERROR:
if (1 > log_level)
return;
level_string= "ERROR";
break;
}
fprintf(stderr, "Windows Authentication Plugin %s: ", level_string);
@ -53,3 +49,17 @@ void error_log_vprint(error_log_level::type level,
fputc('\n', stderr);
fflush(stderr);
}
// Trivial implementation of log-level setting storage.
void set_log_level(unsigned int level)
{
opt_auth_win_log_level= level;
}
unsigned int get_log_level(void)
{
return opt_auth_win_log_level;
}