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！ W_B=}lP@x  
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试试这两种方法: XO]^+'U}p  
第一种： S1$^ _S =  
squery=lcase(Request.ServerVariables("QUERY_STRING")) NQqw|3  
sURL=lcase(Request.ServerVariables("HTTP_HOST")) vgeqH[:  
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SQL_injdata =":|;|>|<|--|sp_|xp_|\|dir|cmd|^|(|)|+|$|'|copy|format|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" j t}Re,  
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SQL_inj = split(SQL_Injdata,"|") +0Q   
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For SQL_Data=0 To Ubound(SQL_inj) ]ogifnwv  
if instr(squery&sURL,Sql_Inj(Sql_DATA))>0 Then m4m-JD|v  
Response.Write "SQL通用防注入系统" Q:q0C  +T  
Response.end SrKitSG  
end if uq3pk3 )W9  
next TKnWhB/J  
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第二种： m]?Z_*1  
SQL_injdata =":|;|>|<|--|sp_|xp_|\|dir|cmd|^|(|)|+|$|'|copy|format|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" cb_C2+%8NA  
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SQL_inj = split(SQL_Injdata,"|") o^epXIrIPi  
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If Request.QueryString<>"" Then ;7\Fx8"s[  
For Each SQL_Get In Request.QueryString ZSu.0|0#  
For SQL_Data=0 To Ubound(SQL_inj) Ovt]3`U9J  
if instr(Request.QueryString(SQL_Get),Sql_Inj(Sql_DATA))>0 Then ^/#+0/Bn  
Response.Write "SQL通用防注入系统" :-{"9cgFR  
Response.end Zbnxs.i!  
end if "=a3"/u  
next 6Rfv3  
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End If 0~U0s3  
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If Request.Form<>"" Then Ke4oLF2
 
For Each Sql_Post In Request.Form /<-PW9X?  
For SQL_Data=0 To Ubound(SQL_inj) i~Tt\UA>  
if instr(Request.Form(Sql_Post),Sql_Inj(Sql_DATA))>0 Then #czInXTTx  
Response.Write "SQL通用防注入系统" Onx6Fy]L  
Response.end "-f]d~P>  
end if _&, A  
next <.)=CK  
next  /!ElAL  
end if SNqSp.>-U"  
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第三种 =>'8<"M5z  
<% e]1=&:eX#d  
'--------定义部份------------------ Lc~m`=B  
Dim Str_Post,Str_Get,Str_In,Str_Inf,Str_Xh,Str_db,Str_dbstr yepRJ%mp  
'自定义需要过滤的字串,用 "■"分离 I<QUvs%e  
Str_In = "'■;■and■exec■insert■select■delete■update■count■*■%■chr■mid■master■truncate■char■declare" \oPe"k=  
'---------------------------------- GXZ="3W |  
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<% %<kfW&_>w  
Str_Inf = split(Str_In,"■") bkJ bnW=  
'--------POST部份------------------ K yh6QA^  
If Request.Form<>"" Then [<=RsD_q~  
For Each Str_Post In Request.Form LGL;3EI  
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For Str_Xh=0 To Ubound(Str_Inf) <4TI;yy6?  
If Instr(LCase(Request.Form(Str_Post)),Str_Inf(Str_Xh))<>0 Then r $S9/  
'--------写入数据库----------头----- ~k34#j:J65  
Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" 1 fcV&qHR  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") q.J6'v lj/  
Str_db.open Str_dbstr g/C 7wc  
Str_db.Execute("insert into SqlIn(Sqlin_IP,SqlIn_Web,SqlIn_FS,SqlIn_CS,SqlIn_SJ) values('"&Request.ServerVariables("REMOTE_ADDR")&"','"&Request.ServerVariables("URL")&"','POST','"&Str_Post&"','"&replace(Request.Form(Str_Post),"'","''")&"')") A'w+Lc.2  
Str_db.close JM;bNW8  
Set Str_db = Nothing "\*)KH`C  
'--------写入数据库----------尾----- j#f/M3  
Response.Write "<Script Language=JavaScript>alert('请不要在参数中包含非法字符尝试注入！');</Script>" b=Nsz$[  
Response.Write "非法操作！系统做了如下记录:<br>" )#AYb   
Response.Write "操作IP："&Request.ServerVariables("REMOTE_ADDR")&"<br>"  Z`*V9  
Response.Write "操作时间："&Now&"<br>" "1s ]74  
Response.Write "操作页面："&Request.ServerVariables("URL")&"<br>" 21OfTV-+3  
Response.Write "提交方式：POST<br>" '`upSJ;e  
Response.Write "提交参数："&Str_Post&"<br>" D:9 ^^uVp  
Response.Write "提交数据："&Request.Form(Str_Post) /6rjGc  
Response.End ])?dqgwa  
End If 7Q/H+)  
Next aX.BaK6I  
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Next r)S:=Is5  
End If !po,Z&  
'---------------------------------- =+X*$'<J  
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'--------GET部份------------------- 2M+RA}dX  
If Request.QueryString<>"" Then #w L(<nE  
For Each Str_Get In Request.QueryString W^elzN(  
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For Str_Xh=0 To Ubound(Str_Inf) W\[E  
If Instr(LCase(Request.QueryString(Str_Get)),Str_Inf(Str_Xh))<>0 Then *{?2M6Z  
'--------写入数据库----------头----- "dCIg{j  
Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" : fmV||Q  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") =-!jm? st*  
Str_db.open Str_dbstr <uIPv Zsx  
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),"'","''")&"')") t'F$/m
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Str_db.close O5du3[2x7a  
Set Str_db = Nothing ^(&2  
'--------写入数据库----------尾----- ScJ:F-@>  
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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>" _,^f,W
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Response.Write "非法操作！系统做了如下记录:<br>" >> cW0I/`  
Response.Write "操作IP："&Request.ServerVariables("REMOTE_ADDR")&"<br>" L^e*_q2d:>  
Response.Write "操作时间："&Now&"<br>" 8TYh&n=r  
Response.Write "操作页面："&Request.ServerVariables("URL")&"<br>" _LF'0s*  
Response.Write "提交方式：GET<br>" _dd_Z40R  
Response.Write "提交参数："&Str_Get&"<br>" .:H'9QJg  
Response.Write "提交数据："&Request.QueryString(Str_Get) 0iSNom}m  
Response.End  fp||<B  
End If d '2JMdbc  
Next =3,<(F5Y[  
Next -rs S_[$2  
End If TJP;!uX  
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第3中方法需要你自己建个数据库表