防SQL注入程序代码 [复制链接]

一般站点安全首先要考虑到的是SQL注入的防范，下面就是一些通用的 防sql注入代码！ <&B)i\j8=b  
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试试这两种方法: h^cM#L^B  
第一种： {"-uaH>,  
squery=lcase(Request.ServerVariables("QUERY_STRING")) q5Z]Z.%3O  
sURL=lcase(Request.ServerVariables("HTTP_HOST")) K;Fy&p^d  
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SQL_injdata =":|;|>|<|--|sp_|xp_|\|dir|cmd|^|(|)|+|$|'|copy|format|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" t}+P|$[  
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SQL_inj = split(SQL_Injdata,"|") (r.[b  
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For SQL_Data=0 To Ubound(SQL_inj) ca5Ir<mL  
if instr(squery&sURL,Sql_Inj(Sql_DATA))>0 Then [$$i1%c%Z<  
Response.Write "SQL通用防注入系统" Ju# - >]  
Response.end sZ_+6+ :  
end if &iez{[O  
next ~~z}yCl  
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第二种： M/T ll]\|  
SQL_injdata =":|;|>|<|--|sp_|xp_|\|dir|cmd|^|(|)|+|$|'|copy|format|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" eX>x +]l6  
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SQL_inj = split(SQL_Injdata,"|") mqQN*.8*  
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If Request.QueryString<>"" Then h<JV6h:8  
For Each SQL_Get In Request.QueryString wMr*D['" #  
For SQL_Data=0 To Ubound(SQL_inj) O,u$L  
if instr(Request.QueryString(SQL_Get),Sql_Inj(Sql_DATA))>0 Then (/JiOg^cw  
Response.Write "SQL通用防注入系统" O(#DaFJv  
Response.end :A"GOc,  
end if )k$ +T%  
next F@UbUm2o  
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End If |bDUekjR  
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If Request.Form<>"" Then bu$YW'  
For Each Sql_Post In Request.Form OF-$*  
For SQL_Data=0 To Ubound(SQL_inj) h_n`E7&bG  
if instr(Request.Form(Sql_Post),Sql_Inj(Sql_DATA))>0 Then az/
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Response.Write "SQL通用防注入系统" O!#r2Y"?K1  
Response.end D5^wT>3>  
end if @#rF8;  
next {%gMA?b|"  
next {W,&jC  
end if &]tZ6  
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第三种 2M@,g8O+B=  
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'--------定义部份------------------ WS6'R   
Dim Str_Post,Str_Get,Str_In,Str_Inf,Str_Xh,Str_db,Str_dbstr vq=nG]cE)  
'自定义需要过滤的字串,用 "■"分离 Dn~c  
Str_In = "'■;■and■exec■insert■select■delete■update■count■*■%■chr■mid■master■truncate■char■declare" DxoW,GW  
'---------------------------------- 6fY-DqF!  
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<% 7Ji|x{``  
Str_Inf = split(Str_In,"■") +VT/c  
'--------POST部份------------------ ebfT%_N  
If Request.Form<>"" Then wl7G6Y2  
For Each Str_Post In Request.Form ZOw%Fw4B  
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For Str_Xh=0 To Ubound(Str_Inf) P:KS*lOp  
If Instr(LCase(Request.Form(Str_Post)),Str_Inf(Str_Xh))<>0 Then _Oc5g5_{  
'--------写入数据库----------头----- #g=7fu{n:  
Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" 4j_\_:$w<  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") #p$iWY>e~  
Str_db.open Str_dbstr &L`^\B]k|  
Str_db.Execute("insert into SqlIn(Sqlin_IP,SqlIn_Web,SqlIn_FS,SqlIn_CS,SqlIn_SJ) values('"&Request.ServerVariables("REMOTE_ADDR")&"','"&Request.ServerVariables("URL")&"','POST','"&Str_Post&"','"&replace(Request.Form(Str_Post),"'","''")&"')") =S#9\W&6Q  
Str_db.close "RcNy~  
Set Str_db = Nothing j]P'xrWl]8  
'--------写入数据库----------尾----- ~xCv_u^=  
Response.Write "<Script Language=JavaScript>alert('请不要在参数中包含非法字符尝试注入！');</Script>" $\Oc]%  
Response.Write "非法操作！系统做了如下记录:<br>" 3127 4O  
Response.Write "操作IP："&Request.ServerVariables("REMOTE_ADDR")&"<br>" -?z#  
Response.Write "操作时间："&Now&"<br>" zi%Ql|zI~  
Response.Write "操作页面："&Request.ServerVariables("URL")&"<br>" []OmztB  
Response.Write "提交方式：POST<br>" JCFiKt9n  
Response.Write "提交参数："&Str_Post&"<br>" x18(}4  
Response.Write "提交数据："&Request.Form(Str_Post) 3
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Response.End 5v5)vv.kd  
End If *be"$Q  
Next rel_Z..~  
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Next lWPh2k  
End If ;|U !
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'---------------------------------- P_}wjz}9ZX  
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'--------GET部份------------------- tzJ7wXRr  
If Request.QueryString<>"" Then duQ,6  
For Each Str_Get In Request.QueryString ANWfRt iU#  
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For Str_Xh=0 To Ubound(Str_Inf) [ |&#A;{F#  
If Instr(LCase(Request.QueryString(Str_Get)),Str_Inf(Str_Xh))<>0 Then 0#Ae<  
'--------写入数据库----------头----- y~Z7sx0  
Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" g ^I ?u$&E  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") #fy3i+  
Str_db.open Str_dbstr N1iP!m9Q  
Str_db.Execute("insert into SqlIn(Sqlin_IP,SqlIn_Web,SqlIn_FS,SqlIn_CS,SqlIn_SJ) values('"&Request.ServerVariables("REMOTE_ADDR")&"','"&Request.ServerVariables("URL")&"','GET','"&Str_Get&"','"&replace(Request.QueryString(Str_Get),"'","''")&"')") qBF6LhR  
Str_db.close uo9FLm  
Set Str_db = Nothing /L{V3}[j  
'--------写入数据库----------尾----- +9exap27  
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Response.Write "<Script Language=JavaScript>alert('请不要在参数中包含非法字符尝试注入！);</Script>" Ua%;hI)j$  
Response.Write "非法操作！系统做了如下记录:<br>" xB`j* %  
Response.Write "操作IP："&Request.ServerVariables("REMOTE_ADDR")&"<br>" 3FY87R   
Response.Write "操作时间："&Now&"<br>" BD,J4xH;  
Response.Write "操作页面："&Request.ServerVariables("URL")&"<br>" _$+BYK@  
Response.Write "提交方式：GET<br>" WA((>D af]  
Response.Write "提交参数："&Str_Get&"<br>" y=!7PB
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Response.Write "提交数据："&Request.QueryString(Str_Get) 2Y>#FEW/  
Response.End Nnx dO0X  
End If o4U0kiI@  
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Next 8Wba Hw_  
End If |W*#N8IP  
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第3中方法需要你自己建个数据库表