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！ xFOBF")  
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试试这两种方法: >b'w'"  
第一种： 
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squery=lcase(Request.ServerVariables("QUERY_STRING")) sN-oEqS  
sURL=lcase(Request.ServerVariables("HTTP_HOST")) Z+0?yQ=%  
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SQL_injdata =":|;|>|<|--|sp_|xp_|\|dir|cmd|^|(|)|+|$|'|copy|format|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" Gi*<~`Gr  
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SQL_inj = split(SQL_Injdata,"|") n<E.Em1  
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For SQL_Data=0 To Ubound(SQL_inj) Te+^J8  
if instr(squery&sURL,Sql_Inj(Sql_DATA))>0 Then [KMS<4t'  
Response.Write "SQL通用防注入系统" =qw&dwIQ  
Response.end JfkTw~'R  
end if \
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next PQ,+hq  
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第二种： &RWM<6JP  
SQL_injdata =":|;|>|<|--|sp_|xp_|\|dir|cmd|^|(|)|+|$|'|copy|format|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" _D-5}a"  
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SQL_inj = split(SQL_Injdata,"|") w$b~x4y%  
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If Request.QueryString<>"" Then @YCv  
For Each SQL_Get In Request.QueryString +I&J7ICV0  
For SQL_Data=0 To Ubound(SQL_inj) 82|q7*M*.  
if instr(Request.QueryString(SQL_Get),Sql_Inj(Sql_DATA))>0 Then BH5w@  
Response.Write "SQL通用防注入系统" )U'yUUi  
Response.end t~ -J %$  
end if $R";  
next f4 Q( 1(C  
Next C,.-Q"juH  
End If u^l*5F%DK  
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If Request.Form<>"" Then _e_4Q)z-a  
For Each Sql_Post In Request.Form >{QdMn  
For SQL_Data=0 To Ubound(SQL_inj) _e*c  
if instr(Request.Form(Sql_Post),Sql_Inj(Sql_DATA))>0 Then wk@yTTnb  
Response.Write "SQL通用防注入系统" AQe!Sqg'  
Response.end qp\BV#E  
end if XoJgs$3B  
next %lV@:"G  
next u%xDsTDP  
end if q@%h^9.  
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第三种 FRgLlp8x  
<% Wk}D]o0^@  
'--------定义部份------------------ M\dO({o  
Dim Str_Post,Str_Get,Str_In,Str_Inf,Str_Xh,Str_db,Str_dbstr & N;pH  
'自定义需要过滤的字串,用 "■"分离 uWTN2jr
 
Str_In = "'■;■and■exec■insert■select■delete■update■count■*■%■chr■mid■master■truncate■char■declare" c# xO<  
'---------------------------------- d5:tSO  
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<% -1CEr_(P^  
Str_Inf = split(Str_In,"■") \dTQQ  
'--------POST部份------------------ ` dO}L  
If Request.Form<>"" Then V}SyD(8~  
For Each Str_Post In Request.Form 8[~~gYl  
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For Str_Xh=0 To Ubound(Str_Inf) n26>>N  
If Instr(LCase(Request.Form(Str_Post)),Str_Inf(Str_Xh))<>0 Then Mb/L~gd"  
'--------写入数据库----------头----- D M}s0O$0  
Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" 7 W{~f?Sh  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") o!utZmk$  
Str_db.open Str_dbstr 7G"7wYc>R  
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),"'","''")&"')") 8)Zk24:])_  
Str_db.close Y9tV%  
Set Str_db = Nothing s@s/'^`  
'--------写入数据库----------尾----- E+z18Lf?  
Response.Write "<Script Language=JavaScript>alert('请不要在参数中包含非法字符尝试注入！');</Script>" T/5"}P`  
Response.Write "非法操作！系统做了如下记录:<br>" q`[K3p   
Response.Write "操作IP："&Request.ServerVariables("REMOTE_ADDR")&"<br>" lBmm(<~Z  
Response.Write "操作时间："&Now&"<br>" /VO^5Dnb  
Response.Write "操作页面："&Request.ServerVariables("URL")&"<br>" Pcdf$a"`  
Response.Write "提交方式：POST<br>" 5DOE3T`^Oc  
Response.Write "提交参数："&Str_Post&"<br>" UWw}!1  
Response.Write "提交数据："&Request.Form(Str_Post) tOM(U-7Z&  
Response.End \yG`Sfu2  
End If "5}%"-#  
Next @zrNN>  
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Next U*qNix  
End If 5%P[^}  
'---------------------------------- J\{$ot  
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'--------GET部份------------------- EE]=f=3  
If Request.QueryString<>"" Then 's.~$  
For Each Str_Get In Request.QueryString +zsZNJ(U  
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For Str_Xh=0 To Ubound(Str_Inf) } L <,eV  
If Instr(LCase(Request.QueryString(Str_Get)),Str_Inf(Str_Xh))<>0 Then Y\p$SN  
'--------写入数据库----------头----- O3Uh+gKQ  
Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" G?/c/rG  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") D%U:!|G  
Str_db.open Str_dbstr 72,"Cj  
Str_db.Execute("insert into SqlIn(Sqlin_IP,SqlIn_Web,SqlIn_FS,SqlIn_CS,SqlIn_SJ) values('"&Request.ServerVariables("REMOTE_ADDR")&"','"&Request.ServerVariables("URL")&"','GET','"&Str_Get&"','"&replace(Request.QueryString(Str_Get),"'","''")&"')") AW/wI6[T  
Str_db.close 3Z1OX]R  
Set Str_db = Nothing B+Z13;}B  
'--------写入数据库----------尾----- jTfi@5aPY  
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Response.Write "<Script Language=JavaScript>alert('请不要在参数中包含非法字符尝试注入！);</Script>" LN^UC$[tk  
Response.Write "非法操作！系统做了如下记录:<br>"
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Response.Write "操作IP："&Request.ServerVariables("REMOTE_ADDR")&"<br>" ej52AK7  
Response.Write "操作时间："&Now&"<br>" 4P%m>[  
Response.Write "操作页面："&Request.ServerVariables("URL")&"<br>" c#QF G1  
Response.Write "提交方式：GET<br>" )* TF"  
Response.Write "提交参数："&Str_Get&"<br>" g~!$i`_b  
Response.Write "提交数据："&Request.QueryString(Str_Get) *,lh:  
Response.End _!!}'fMC  
End If W2eAhz&  
Next {6O0.}q]&  
Next 9cfR)*Q  
End If 7~b!4x|Z  
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第3中方法需要你自己建个数据库表