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！ uI%N?  
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试试这两种方法: -kG3k> by_  
第一种： Zw;$(="  
squery=lcase(Request.ServerVariables("QUERY_STRING")) )L kM,T  
sURL=lcase(Request.ServerVariables("HTTP_HOST")) {c v;w  
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SQL_injdata =":|;|>|<|--|sp_|xp_|\|dir|cmd|^|(|)|+|$|'|copy|format|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" ~/^y.SsWM  
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SQL_inj = split(SQL_Injdata,"|") 3[MdUj1y[  
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For SQL_Data=0 To Ubound(SQL_inj) MZCL:#  
if instr(squery&sURL,Sql_Inj(Sql_DATA))>0 Then VKq0<+M  
Response.Write "SQL通用防注入系统" <MPeh&_3
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Response.end ^-gfib|VGe  
end if 6@"Vqm|HD  
next r5f^WZ$-  
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第二种： @rPI$ia1~  
SQL_injdata =":|;|>|<|--|sp_|xp_|\|dir|cmd|^|(|)|+|$|'|copy|format|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" bin6i2b  
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SQL_inj = split(SQL_Injdata,"|") D3<IuWeM  
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If Request.QueryString<>"" Then k-{yu8*';  
For Each SQL_Get In Request.QueryString MC4284A5  
For SQL_Data=0 To Ubound(SQL_inj) =}~NRmmF  
if instr(Request.QueryString(SQL_Get),Sql_Inj(Sql_DATA))>0 Then R'S c  
Response.Write "SQL通用防注入系统" Jy]FrSm^  
Response.end o `b`*Z  
end if 5Z* b( R  
next kR<xtHW  
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End If pBlRd{#fL  
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If Request.Form<>"" Then ?cqicN.+6  
For Each Sql_Post In Request.Form Ty`-r5  
For SQL_Data=0 To Ubound(SQL_inj) Wr]O  
if instr(Request.Form(Sql_Post),Sql_Inj(Sql_DATA))>0 Then ' oBo|  
Response.Write "SQL通用防注入系统" pwa.q  
Response.end 6P0y-%[Gk  
end if C}n'>],p  
next ^H'hD  
next Vh 2Bz  
end if <\>+~p,  
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第三种 w@87]/4Rq  
<% R ^HohB  
'--------定义部份------------------ Ya~ "R#Uy  
Dim Str_Post,Str_Get,Str_In,Str_Inf,Str_Xh,Str_db,Str_dbstr !nec 7  
'自定义需要过滤的字串,用 "■"分离 /0Z|+L9Jo  
Str_In = "'■;■and■exec■insert■select■delete■update■count■*■%■chr■mid■master■truncate■char■declare" Bs_S.JP<`  
'---------------------------------- IO}+[%ptc*  
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<% *6NO-T; -  
Str_Inf = split(Str_In,"■") BmJkt3j."  
'--------POST部份------------------ `-~`<#E[  
If Request.Form<>"" Then x$~3$E  
For Each Str_Post In Request.Form Z+Kv+Gmq H  
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For Str_Xh=0 To Ubound(Str_Inf) =Nw2;TkB[  
If Instr(LCase(Request.Form(Str_Post)),Str_Inf(Str_Xh))<>0 Then 6,B-:{{e"  
'--------写入数据库----------头----- gdOe)il\  
Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" ksTzXG8  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") $k
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Str_db.open Str_dbstr Xwn3+tSIa  
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),"'","''")&"')") BTOA &Ag  
Str_db.close r])Z9bbi  
Set Str_db = Nothing R78!x*U}  
'--------写入数据库----------尾----- qpoquWZ  
Response.Write "<Script Language=JavaScript>alert('请不要在参数中包含非法字符尝试注入！');</Script>" L_E^}^1!  
Response.Write "非法操作！系统做了如下记录:<br>" \^Ep>Pq`]  
Response.Write "操作IP："&Request.ServerVariables("REMOTE_ADDR")&"<br>" wHA/b.jH  
Response.Write "操作时间："&Now&"<br>" "]v uD  
Response.Write "操作页面："&Request.ServerVariables("URL")&"<br>" 9~=gwP  
Response.Write "提交方式：POST<br>" [.{^"<Z<  
Response.Write "提交参数："&Str_Post&"<br>" OWqrD@  
Response.Write "提交数据："&Request.Form(Str_Post) =.DTR 5(_h  
Response.End U?^OD  
End If (RExV?:  
Next aD+0\I[x  
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Next IDj_l+?c  
End If :lNg:r$4  
'---------------------------------- F|,6N/;!W  
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'--------GET部份------------------- _8 al  
If Request.QueryString<>"" Then T0;u+$  
For Each Str_Get In Request.QueryString }6<)yW}U  
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For Str_Xh=0 To Ubound(Str_Inf) a|U}Ammr  
If Instr(LCase(Request.QueryString(Str_Get)),Str_Inf(Str_Xh))<>0 Then |Mt&p#y  
'--------写入数据库----------头----- :=y0'f V(@  
Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" -<xyC8$^$  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") xsYE=^uv  
Str_db.open Str_dbstr Y=9qJ`q  
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),"'","''")&"')") R_7 6W&  
Str_db.close "<qEXX  
Set Str_db = Nothing mU>&ql?e  
'--------写入数据库----------尾----- mU50pM~/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>" hBjVe?{  
Response.Write "非法操作！系统做了如下记录:<br>" )^&,Dj  
Response.Write "操作IP："&Request.ServerVariables("REMOTE_ADDR")&"<br>" WPtMds4  
Response.Write "操作时间："&Now&"<br>" >o#ERNf  
Response.Write "操作页面："&Request.ServerVariables("URL")&"<br>" wcwQjHwd  
Response.Write "提交方式：GET<br>" ;xhOj<:  
Response.Write "提交参数："&Str_Get&"<br>" "t=UX -3  
Response.Write "提交数据："&Request.QueryString(Str_Get) [ne" T  
Response.End yE}BfU {.  
End If Sobtz}A*  
Next JfbKf~g  
Next "
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End If 0Bolv_e  
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第3中方法需要你自己建个数据库表