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！ rF/k$_ bFt  
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试试这两种方法: zlUX p0W  
第一种： z1
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squery=lcase(Request.ServerVariables("QUERY_STRING")) W^e
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sURL=lcase(Request.ServerVariables("HTTP_HOST")) 0|RFsJ"  
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SQL_injdata =":|;|>|<|--|sp_|xp_|\|dir|cmd|^|(|)|+|$|'|copy|format|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" Kx-s95t  
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SQL_inj = split(SQL_Injdata,"|") ?)8OC(B8q  
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For SQL_Data=0 To Ubound(SQL_inj) 4iXB `@k  
if instr(squery&sURL,Sql_Inj(Sql_DATA))>0 Then o=&tT,z  
Response.Write "SQL通用防注入系统" _iJ8*v8A  
Response.end Sk~( t  
end if =i`#0i2(  
next 1>KZ1Kf  
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第二种： }JF,:g Lk  
SQL_injdata =":|;|>|<|--|sp_|xp_|\|dir|cmd|^|(|)|+|$|'|copy|format|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" 3NLC~CJ  
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SQL_inj = split(SQL_Injdata,"|") *0*1.>Vg  
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If Request.QueryString<>"" Then ?`,Rkg0fe  
For Each SQL_Get In Request.QueryString da'7* &/  
For SQL_Data=0 To Ubound(SQL_inj) x#-+//  
if instr(Request.QueryString(SQL_Get),Sql_Inj(Sql_DATA))>0 Then l"C)Ia&/  
Response.Write "SQL通用防注入系统" VGHy|5K$  
Response.end <b5J"i&m  
end if 5kRP Sfh  
next _o'3v=5T  
Next 7sC8|+  
End If shn{]Y  
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If Request.Form<>"" Then z_A:MoYfo  
For Each Sql_Post In Request.Form g9rsw7  
For SQL_Data=0 To Ubound(SQL_inj) B%. XWW$  
if instr(Request.Form(Sql_Post),Sql_Inj(Sql_DATA))>0 Then {J?#KHF'|  
Response.Write "SQL通用防注入系统" ggy 7p44  
Response.end B.J_(V+  
end if ~O;'],#Co  
next jkN-(v(T  
next Ykt{ ]#  
end if Fz3QSr7FU  
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第三种 5bfd8C  
<% n#NE.ap$&,  
'--------定义部份------------------ r8k.I4  
Dim Str_Post,Str_Get,Str_In,Str_Inf,Str_Xh,Str_db,Str_dbstr |%i|P)]  
'自定义需要过滤的字串,用 "■"分离 cNd;qO0$  
Str_In = "'■;■and■exec■insert■select■delete■update■count■*■%■chr■mid■master■truncate■char■declare" "!fvEE  
'---------------------------------- , :10  
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<% miq"3  
Str_Inf = split(Str_In,"■") _:ORu Vk  
'--------POST部份------------------ DKvNQ:fI>9  
If Request.Form<>"" Then A3!xYG=+  
For Each Str_Post In Request.Form tW=,o&C=  
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For Str_Xh=0 To Ubound(Str_Inf) XW^Sw;[efZ  
If Instr(LCase(Request.Form(Str_Post)),Str_Inf(Str_Xh))<>0 Then G;'=#c ^  
'--------写入数据库----------头----- W=$cQ(x4Z  
Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" t$*V*gK{  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") {eQ') f  
Str_db.open Str_dbstr dV:vM9+x  
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),"'","''")&"')") DaK 2P;WP  
Str_db.close r N.<S[  
Set Str_db = Nothing G T3wJQ5N  
'--------写入数据库----------尾----- RH"
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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>" >_<J=8|E  
Response.Write "非法操作！系统做了如下记录:<br>" .t7mTpi  
Response.Write "操作IP："&Request.ServerVariables("REMOTE_ADDR")&"<br>" C4
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Response.Write "操作时间："&Now&"<br>" /.[;u1z"^  
Response.Write "操作页面："&Request.ServerVariables("URL")&"<br>" :J'ibb1  
Response.Write "提交方式：POST<br>" xpzQ"'be  
Response.Write "提交参数："&Str_Post&"<br>" ~kkwPs2V  
Response.Write "提交数据："&Request.Form(Str_Post) Z,? T`[4B  
Response.End (I) e-1  
End If [xrM){ItW  
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Next 9T#JlV  
End If ckZZ)lW`*  
'----------------------------------  =Y0>b4  
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'--------GET部份------------------- M[Kk43;QY!  
If Request.QueryString<>"" Then S]P80|!|  
For Each Str_Get In Request.QueryString 4Y=sTXbFt  
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For Str_Xh=0 To Ubound(Str_Inf) ^LO`6,   
If Instr(LCase(Request.QueryString(Str_Get)),Str_Inf(Str_Xh))<>0 Then Rzolue 8  
'--------写入数据库----------头----- rLy<3  
Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" ,z*-93H1  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") z]d^%>Ef  
Str_db.open Str_dbstr HLPnbI-+  
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),"'","''")&"')") E@f2hW2  
Str_db.close 9aE.jpN  
Set Str_db = Nothing 0( s io\  
'--------写入数据库----------尾----- L&i_  
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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>" 5T,In+~Kd  
Response.Write "非法操作！系统做了如下记录:<br>" f\Fk+)e@  
Response.Write "操作IP："&Request.ServerVariables("REMOTE_ADDR")&"<br>" KyqFeR  
Response.Write "操作时间："&Now&"<br>" =36e&z-#  
Response.Write "操作页面："&Request.ServerVariables("URL")&"<br>" upJ|`,G{  
Response.Write "提交方式：GET<br>" `D#3  
Response.Write "提交参数："&Str_Get&"<br>" :=0XT`iY  
Response.Write "提交数据："&Request.QueryString(Str_Get) d+6 by,'  
Response.End vbZGs7%  
End If SiM1Go}#  
Next CQLh;W`Dc  
Next \w]c<gM K  
End If uMB|x,X I  
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第3中方法需要你自己建个数据库表