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禁止普通账号查询mysql.user (hhyo#1202) #1222

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Nov 10, 2021
Merged

禁止普通账号查询mysql.user (hhyo#1202) #1222

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6 changes: 6 additions & 0 deletions sql/engines/mysql.py
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Original file line number Diff line number Diff line change
Expand Up @@ -191,6 +191,12 @@ def query_check(self, db_name=None, sql=''):
if explain_result.error:
result['bad_query'] = True
result['msg'] = explain_result.error
# 不应该查看mysql.user表
if re.match('.*(\\s)+(mysql|`mysql`)(\\s)*\\.(\\s)*(user|`user`)((\\s)*|;).*',sql.lower().replace('\n','')) or\
(db_name=="mysql" and re.match('.*(\\s)+(user|`user`)((\\s)*|;).*',sql.lower().replace('\n',''))):
result['bad_query'] = True
result['msg'] = '您无权查看该表'

return result

def filter_sql(self, sql='', limit_num=0):
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