sql防注入代码(asp)

'将本页用include方法放在头部以让所有页都可以调用,比如include在conn.asp里
'如果有流式上传的页面请把该页加到表page中,以防form冲突

DimN_no,N_noarray,req_Qs,req_F,N_i,N_dbstr,Conn,N_rs,N_userIP,N_thispage
N_userip=Request.ServerVariables("REMOTE_ADDR")
N_thispage=LCase(Request.ServerVariables("URL"))

N_no="'|;|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare"'可以自己修改怀疑是注入操作的字串
N_noarray=split(LCase(N_no),"|")

CallDBopen()
CallN_check_Qs()
CallN_checkPage()
CallDBCLose()

'检测当前页是否是特殊页是就调用N_check_form()
subN_checkPage()

setN_rs=server.CreateObject("ADODB.RecordSet")
N_rs.open"select*frompagewherespcpagelike'%"&N_thispage&"%'",conn,1,1
if(N_rs.eofANDN_rs.Bof)then
CallN_check_form()
endif
N_rs.Close()
setN_rs=nothing

endsub

'检测给定字串
subN_sql(agsql)
'这里是不记录数据库,如果要改请自己修改
N_check"CUS",req_Qs,"OTHER"
endsub

'检测Request.Form
subN_check_form()
IfRequest.Form<>""Then
ForEachreq_FInRequest.Form
N_checkreq_F,Request.Form(req_F),"POST"
Next
endif
endsub

'检测Request.QueryString
subN_check_Qs()
IfRequest.QueryString<>""Then
ForEachreq_QsInRequest.QueryString
N_checkreq_Qs,Request.QueryString(req_Qs),"GET"
Next
endif
endsub

'检测
subN_check(ag,agsql,sqltype)
ForN_i=0ToUbound(N_noarray)
IfInstr(LCase(agsql),N_noarray(N_i))<>0Then
callN_regsql(ag,agsql,sqltype)
Response.Write"MO"
endif
Next
endsub

'记录并停止输出
'ag名称
'agsql内容
'sqltype类型
subN_regsql(ag,agsql,sqltype)
if(sqltype<>"OTHER")then
Conn.Execute("insertintoSqlIn(Sqlin_IP,SqlIn_Web,SqlIn_FS,SqlIn_CS,SqlIn_SJ)values('"&N_userip&"','"&N_thispage&"','"&sqltype&"','"&ag&"','"&agsql&"')")
endif
Response.Write"<ScriptLanguage=JavaScript>alert('请不要在参数中包含非法字符尝试注入！');</Script>"
Response.Write"<spanstyle='font-size:12px'>非法操作！系统做了如下记录↓<br>"
Response.Write"操作ＩＰ："&N_userip&"<br>"
Response.Write"操作时间："&Now&"<br>"
Response.Write"操作页面："&N_thispage&"<br>"
Response.Write"提交方式："&sqltype&"<br>"
Response.Write"提交参数："&ag&"<br>"
Response.Write"提交数据："&agsql&"</span>"

Response.end
endsub

SubDBopen()
N_dbstr="DBQ="+server.mappath("Sql.mdb")+";DefaultDir=;DRIVER={MicrosoftAccessDriver(*.mdb)};"
SetConn=Server.CreateObject("ADODB.CONNECTION")
Conn.openN_dbstr
endSUB

SubDBCLose()
Conn.close
SetConn=Nothing
Endsub
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