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！ %> eiAB_b  
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试试这两种方法: Il'fL'3  
第一种： "^-a M  
squery=lcase(Request.ServerVariables("QUERY_STRING")) y%T_pTcU  
sURL=lcase(Request.ServerVariables("HTTP_HOST")) q9_OGd|P  
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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" 4VSU8tK|N]  
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SQL_inj = split(SQL_Injdata,"|") M }D}K\)  
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For SQL_Data=0 To Ubound(SQL_inj) CC
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if instr(squery&sURL,Sql_Inj(Sql_DATA))>0 Then HV|,}Wks6s  
Response.Write "SQL通用防注入系统" oc`H}Wvn  
Response.end 6{b>p+U  
end if b$joY*< 6  
next +\9NDfYIA  
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第二种： CdQ!GS<'y  
SQL_injdata =":|;|>|<|--|sp_|xp_|\|dir|cmd|^|(|)|+|$|'|copy|format|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" 4[eXe$  
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SQL_inj = split(SQL_Injdata,"|") Yq KCeg  
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If Request.QueryString<>"" Then 5;EvNu  
For Each SQL_Get In Request.QueryString 6&x@.1('z  
For SQL_Data=0 To Ubound(SQL_inj) TeM|:o  
if instr(Request.QueryString(SQL_Get),Sql_Inj(Sql_DATA))>0 Then c@7rqHU-0  
Response.Write "SQL通用防注入系统" 25?6gu*Z  
Response.end ~>|ziHx  
end if :F?C)
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next Rm( "=(  
Next C'x&Py/#  
End If &8lZNv8;(p  
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If Request.Form<>"" Then T~e.PP  
For Each Sql_Post In Request.Form L0o\J` :  
For SQL_Data=0 To Ubound(SQL_inj) K0>zxqY  
if instr(Request.Form(Sql_Post),Sql_Inj(Sql_DATA))>0 Then L8B!u9%  
Response.Write "SQL通用防注入系统" #6=  
Response.end MTn{d  
end if f:} x7_Q  
next Gc|idjW4  
next ms]sD3z/W+  
end if 4hj|cCrO  
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第三种 O0.*Pmt  
<% ?@86P|19  
'--------定义部份------------------ hgq;`_;1,  
Dim Str_Post,Str_Get,Str_In,Str_Inf,Str_Xh,Str_db,Str_dbstr 7[)E>XRE  
'自定义需要过滤的字串,用 "■"分离 g7H(PF?  
Str_In = "'■;■and■exec■insert■select■delete■update■count■*■%■chr■mid■master■truncate■char■declare" e^v oW"?%  
'---------------------------------- fJg+Ryo  
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<% <P_-s*b  
Str_Inf = split(Str_In,"■") oEv'dQ9  
'--------POST部份------------------ `c$V$/IT  
If Request.Form<>"" Then AwR=]W;j  
For Each Str_Post In Request.Form 2>%=U~5  
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For Str_Xh=0 To Ubound(Str_Inf) GbI/4<)l}  
If Instr(LCase(Request.Form(Str_Post)),Str_Inf(Str_Xh))<>0 Then a7opCmL  
'--------写入数据库----------头----- Bzf^ivT3L  
Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" %N._w!N<5n  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") [ /r(__.  
Str_db.open Str_dbstr $&c*'3  
Str_db.Execute("insert into SqlIn(Sqlin_IP,SqlIn_Web,SqlIn_FS,SqlIn_CS,SqlIn_SJ) values('"&Request.ServerVariables("REMOTE_ADDR")&"','"&Request.ServerVariables("URL")&"','POST','"&Str_Post&"','"&replace(Request.Form(Str_Post),"'","''")&"')") L4W5EO$  
Str_db.close W>r+h -kR  
Set Str_db = Nothing yG{TH0tq  
'--------写入数据库----------尾----- \FaP|28h  
Response.Write "<Script Language=JavaScript>alert('请不要在参数中包含非法字符尝试注入！');</Script>" RRJ%:5&  
Response.Write "非法操作！系统做了如下记录:<br>" 9(Xn>G'iT  
Response.Write "操作IP："&Request.ServerVariables("REMOTE_ADDR")&"<br>" F== p<lrs  
Response.Write "操作时间："&Now&"<br>" 8s@3hXD&
 
Response.Write "操作页面："&Request.ServerVariables("URL")&"<br>" UN#S;x*  
Response.Write "提交方式：POST<br>" :ws<-Qy  
Response.Write "提交参数："&Str_Post&"<br>" !N^@4*  
Response.Write "提交数据："&Request.Form(Str_Post) f o3}W^0  
Response.End 0y\Z9+G:  
End If 3v-~K)hl?  
Next R;LP:,)  
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Next }GM'.yutX  
End If dZuOrTplA  
'---------------------------------- ;^L(^Hx  
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'--------GET部份------------------- -9?]IIVb  
If Request.QueryString<>"" Then KI.hy2?e  
For Each Str_Get In Request.QueryString HPVEnVn  
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For Str_Xh=0 To Ubound(Str_Inf) A#,ZUOPGH  
If Instr(LCase(Request.QueryString(Str_Get)),Str_Inf(Str_Xh))<>0 Then [- w%/D%@  
'--------写入数据库----------头----- tuX
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Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" X?Q4}Y  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") xE}>,O|'q  
Str_db.open Str_dbstr i|kRK7[6B  
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),"'","''")&"')") u3D)M%e  
Str_db.close ca9X19NG  
Set Str_db = Nothing V;=c
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'--------写入数据库----------尾----- bN.Pex  
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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>" HzJz+ x:  
Response.Write "非法操作！系统做了如下记录:<br>" Y]a@j!  
Response.Write "操作IP："&Request.ServerVariables("REMOTE_ADDR")&"<br>" 2
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Response.Write "操作时间："&Now&"<br>" |.dRily+  
Response.Write "操作页面："&Request.ServerVariables("URL")&"<br>" $~)SCbL^5  
Response.Write "提交方式：GET<br>" dO\"?aiD  
Response.Write "提交参数："&Str_Get&"<br>" 7yQ4*UB  
Response.Write "提交数据："&Request.QueryString(Str_Get) <_+X 88  
Response.End l]SX@zTb  
End If zt%Mx>V@  
Next /-s6<e!  
Next /$m;y[[  
End If rJB}qYD  
%> DmcZta8n]  
第3中方法需要你自己建个数据库表