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mysql-audit
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fixed changing configuration cause crash with MySQL-5.1

pull/18/head
mitans02 2012-11-11 00:07:07 +09:00
parent b9e947fd5f
commit 5864313741
1 changed files with 28 additions and 4 deletions
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32
src/audit_plugin.cc
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@ -532,6 +532,11 @@ static const ThdOffsets thd_offsets_arr[] =
#endif #endif
//See here: http://bugs.mysql.com/bug.php?id=56652
#if (MYSQL_VERSION_ID < 50519) || (50600 <= MYSQL_VERSION_ID && MYSQL_VERSION_ID < 50604)
# define AUDIT_NEED_FREE_STRING_MEMALLOC_PLUGIN_VAR
#endif
static const char * log_prefix = AUDIT_LOG_PREFIX; static const char * log_prefix = AUDIT_LOG_PREFIX;
//possible audit handlers //possible audit handlers
@ -1687,7 +1692,14 @@ static void delay_cmds_string_update(THD *thd,
const void *save) const void *save)
{ {
num_delay_cmds = string_to_array(save, delay_cmds_array, SQLCOM_END + 2, MAX_COMMAND_CHAR_NUMBERS); num_delay_cmds = string_to_array(save, delay_cmds_array, SQLCOM_END + 2, MAX_COMMAND_CHAR_NUMBERS);
delay_cmds_string = *static_cast<char* const *> (save);
#ifdef AUDIT_NEED_FREE_STRING_MEMALLOC_PLUGIN_VAR
my_free(delay_cmds_string, MYF(0));
delay_cmds_string = my_strdup(*static_cast<char*const*>(save), MYF(MY_WME));
#else
delay_cmds_string = *static_cast<char* const *> (save);
#endif
sql_print_information("%s Set num_delay_cmds: %d, delay cmds: %s", log_prefix, num_delay_cmds, delay_cmds_string); sql_print_information("%s Set num_delay_cmds: %d, delay cmds: %s", log_prefix, num_delay_cmds, delay_cmds_string);
} }
@ -1696,7 +1708,14 @@ static void record_cmds_string_update(THD *thd,
const void *save) const void *save)
{ {
num_record_cmds = string_to_array(save, record_cmds_array, SQLCOM_END + 2, MAX_COMMAND_CHAR_NUMBERS); num_record_cmds = string_to_array(save, record_cmds_array, SQLCOM_END + 2, MAX_COMMAND_CHAR_NUMBERS);
record_cmds_string = *static_cast<char* const *> (save);
#ifdef AUDIT_NEED_FREE_STRING_MEMALLOC_PLUGIN_VAR
my_free(record_cmds_string, MYF(0));
record_cmds_string = my_strdup(*static_cast<char*const*>(save), MYF(MY_WME));
#else
record_cmds_string = *static_cast<char* const *> (save);
#endif
sql_print_information("%s Set num_record_cmds: %d record cmds: %s", log_prefix, num_record_cmds, record_cmds_string); sql_print_information("%s Set num_record_cmds: %d record cmds: %s", log_prefix, num_record_cmds, record_cmds_string);
} }
@ -1704,8 +1723,13 @@ static void record_objs_string_update(THD *thd,
struct st_mysql_sys_var *var, void *tgt, struct st_mysql_sys_var *var, void *tgt,
const void *save) const void *save)
{ {
record_objs_string = *static_cast<char* const *> (save); #ifdef AUDIT_NEED_FREE_STRING_MEMALLOC_PLUGIN_VAR
setup_record_objs_array(); my_free(record_objs_string, MYF(0));
record_objs_string = my_strdup(*static_cast<char*const*>(save), MYF(MY_WME));
#else
record_objs_string = *static_cast<char* const *> (save);
#endif
setup_record_objs_array();
} }
//setup sysvars which update directly the relevant plugins //setup sysvars which update directly the relevant plugins