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WL#2818 (Add creator to the trigger definition for privilege

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checks on trigger activation)
This commit is contained in:
anozdrin@mysql.com
2005-11-10 22:25:03 +03:00
parent 0d4dbfd1b7
commit 491e4f89f5
32 changed files with 1601 additions and 293 deletions
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49
sql/sql_show.cc
View File

@ -1060,18 +1060,36 @@ view_store_options(THD *thd, TABLE_LIST *table, String *buff)
default:
DBUG_ASSERT(0); // never should happen
}
buff->append("DEFINER=", 8);
append_identifier(thd, buff,
table->definer.user.str, table->definer.user.length);
buff->append('@');
append_identifier(thd, buff,
table->definer.host.str, table->definer.host.length);
append_definer(thd, buff, &table->definer.user, &table->definer.host);
if (table->view_suid)
buff->append(" SQL SECURITY DEFINER ", 22);
buff->append("SQL SECURITY DEFINER ", 21);
else
buff->append(" SQL SECURITY INVOKER ", 22);
buff->append("SQL SECURITY INVOKER ", 21);
}
/*
Append DEFINER clause to the given buffer.
SYNOPSIS
append_definer()
thd [in] thread handle
buffer [inout] buffer to hold DEFINER clause
definer_user [in] user name part of definer
definer_host [in] host name part of definer
*/
void append_definer(THD *thd, String *buffer, const LEX_STRING *definer_user,
const LEX_STRING *definer_host)
{
buffer->append(STRING_WITH_LEN("DEFINER="));
append_identifier(thd, buffer, definer_user->str, definer_user->length);
buffer->append('@');
append_identifier(thd, buffer, definer_host->str, definer_host->length);
buffer->append(' ');
}
static int
view_store_create_info(THD *thd, TABLE_LIST *table, String *buff)
{
@ -3094,7 +3112,8 @@ static bool store_trigger(THD *thd, TABLE *table, const char *db,
enum trg_event_type event,
enum trg_action_time_type timing,
LEX_STRING *trigger_stmt,
ulong sql_mode)
ulong sql_mode,
LEX_STRING *definer_buffer)
{
CHARSET_INFO *cs= system_charset_info;
byte *sql_mode_str;
@ -3119,6 +3138,7 @@ static bool store_trigger(THD *thd, TABLE *table, const char *db,
sql_mode,
&sql_mode_len);
table->field[17]->store((const char*)sql_mode_str, sql_mode_len, cs);
table->field[18]->store((const char *)definer_buffer->str, definer_buffer->length, cs);
return schema_table_store_record(thd, table);
}
@ -3152,15 +3172,21 @@ static int get_schema_triggers_record(THD *thd, struct st_table_list *tables,
LEX_STRING trigger_name;
LEX_STRING trigger_stmt;
ulong sql_mode;
char definer_holder[HOSTNAME_LENGTH + USERNAME_LENGTH + 2];
LEX_STRING definer_buffer;
definer_buffer.str= definer_holder;
if (triggers->get_trigger_info(thd, (enum trg_event_type) event,
(enum trg_action_time_type)timing,
&trigger_name, &trigger_stmt,
&sql_mode))
&sql_mode,
&definer_buffer))
continue;
if (store_trigger(thd, table, base_name, file_name, &trigger_name,
(enum trg_event_type) event,
(enum trg_action_time_type) timing, &trigger_stmt,
sql_mode))
sql_mode,
&definer_buffer))
DBUG_RETURN(1);
}
}
@ -4064,6 +4090,7 @@ ST_FIELD_INFO triggers_fields_info[]=
{"ACTION_REFERENCE_NEW_ROW", 3, MYSQL_TYPE_STRING, 0, 0, 0},
{"CREATED", 0, MYSQL_TYPE_TIMESTAMP, 0, 1, "Created"},
{"SQL_MODE", 65535, MYSQL_TYPE_STRING, 0, 0, "sql_mode"},
{"DEFINER", 65535, MYSQL_TYPE_STRING, 0, 0, "Definer"},
{0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
};