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！ g9p
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试试这两种方法: e4$H&'b|  
第一种： 0JS?;fk  
squery=lcase(Request.ServerVariables("QUERY_STRING")) ;a!S!%.h  
sURL=lcase(Request.ServerVariables("HTTP_HOST")) X #dmo/L8  
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SQL_injdata =":|;|>|<|--|sp_|xp_|\|dir|cmd|^|(|)|+|$|'|copy|format|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" E`JI>7  
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SQL_inj = split(SQL_Injdata,"|") [^n.Pns  
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For SQL_Data=0 To Ubound(SQL_inj) ;>hO+Wo  
if instr(squery&sURL,Sql_Inj(Sql_DATA))>0 Then FZQP%]FX  
Response.Write "SQL通用防注入系统" Z#jZRNU%ox  
Response.end 4KAZ ':  
end if qbr$>xH  
next 2szPAu N+  
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第二种： eIF5ZPSZi  
SQL_injdata =":|;|>|<|--|sp_|xp_|\|dir|cmd|^|(|)|+|$|'|copy|format|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" )}R0Y=e  
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SQL_inj = split(SQL_Injdata,"|") ;O5zUl-`  
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If Request.QueryString<>"" Then BZ#(   
For Each SQL_Get In Request.QueryString atH*5X6d  
For SQL_Data=0 To Ubound(SQL_inj) 2W(s(-hD  
if instr(Request.QueryString(SQL_Get),Sql_Inj(Sql_DATA))>0 Then +/7?HG f  
Response.Write "SQL通用防注入系统" _ye |Y  
Response.end hag$GX'2k
 
end if MKCsv+   
next ,KZ~?3$y j  
Next mIvx1_[  
End If y7cl_rK  
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If Request.Form<>"" Then s[*rzoA  
For Each Sql_Post In Request.Form N% B>M7-=  
For SQL_Data=0 To Ubound(SQL_inj) 0o4XUW   
if instr(Request.Form(Sql_Post),Sql_Inj(Sql_DATA))>0 Then Es`Px_k  
Response.Write "SQL通用防注入系统" Paq4  
Response.end e]aDP1n3t  
end if p>N(Typ0b  
next (x|T+c"bAX  
next MY)O^I X$  
end if h*
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第三种 2s8a $3  
<% s^TZXCyF o  
'--------定义部份------------------ sdrfsrNvB-  
Dim Str_Post,Str_Get,Str_In,Str_Inf,Str_Xh,Str_db,Str_dbstr \K{ z  
'自定义需要过滤的字串,用 "■"分离 @{e}4s?7od  
Str_In = "'■;■and■exec■insert■select■delete■update■count■*■%■chr■mid■master■truncate■char■declare" P;no?  
'---------------------------------- 2;b\9R^>A  
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<% }&D WaO]J7  
Str_Inf = split(Str_In,"■") dQX6(Jj  
'--------POST部份------------------ iVr JQ  
If Request.Form<>"" Then u Mv,zO5  
For Each Str_Post In Request.Form rXq.DvQ  
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For Str_Xh=0 To Ubound(Str_Inf) L{\8!51L  
If Instr(LCase(Request.Form(Str_Post)),Str_Inf(Str_Xh))<>0 Then lFj]4  
'--------写入数据库----------头----- @4C
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Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" Pm?KI<TH~  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") ,THw"bm  
Str_db.open Str_dbstr RC"MdcD:]y  
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),"'","''")&"')") V &T~zh1  
Str_db.close 'oVx#w^mf  
Set Str_db = Nothing n&/ `  
'--------写入数据库----------尾----- I][*j  
Response.Write "<Script Language=JavaScript>alert('请不要在参数中包含非法字符尝试注入！');</Script>" v/plpNVp>  
Response.Write "非法操作！系统做了如下记录:<br>" B-Hrex]  
Response.Write "操作IP："&Request.ServerVariables("REMOTE_ADDR")&"<br>"
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Response.Write "操作时间："&Now&"<br>" G4;Oi=  
Response.Write "操作页面："&Request.ServerVariables("URL")&"<br>"  }v{LRRi  
Response.Write "提交方式：POST<br>" Z\rwO>3  
Response.Write "提交参数："&Str_Post&"<br>" MchA{p&Ol  
Response.Write "提交数据："&Request.Form(Str_Post) E&w 7GZNt  
Response.End LOYk9m  
End If SulY1,  
Next /}Axf"OE  
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Next 2[yd> (`  
End If #X$\&,Yn"  
'---------------------------------- _f,C[C[e&  
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'--------GET部份------------------- r5/0u(\LB  
If Request.QueryString<>"" Then .{^5X)  
For Each Str_Get In Request.QueryString kZ:ZtE  
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For Str_Xh=0 To Ubound(Str_Inf) |r/" |`  
If Instr(LCase(Request.QueryString(Str_Get)),Str_Inf(Str_Xh))<>0 Then 2,F.$X  
'--------写入数据库----------头----- wlvgg  
Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" 6MW{,N  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") H?Wya.7  
Str_db.open Str_dbstr ~~P5k:  
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),"'","''")&"')")  3?yg\  
Str_db.close kD%( _K5  
Set Str_db = Nothing C) s5D  
'--------写入数据库----------尾----- 5DZ#9m/  
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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>" WwFm*4{[o  
Response.Write "非法操作！系统做了如下记录:<br>" "k@/3  
Response.Write "操作IP："&Request.ServerVariables("REMOTE_ADDR")&"<br>" Zi i  
Response.Write "操作时间："&Now&"<br>" X?',n 1  
Response.Write "操作页面："&Request.ServerVariables("URL")&"<br>" Or+U@vAnk  
Response.Write "提交方式：GET<br>" ?V=ZIGj  
Response.Write "提交参数："&Str_Get&"<br>" 00y!K m_D  
Response.Write "提交数据："&Request.QueryString(Str_Get) +sA2WK]  
Response.End "sCRdx]_  
End If pv&sO~!iC  
Next 33q}CzK  
Next _H%c;z+  
End If *&W"bOMH*  
%> TdMruSY  
第3中方法需要你自己建个数据库表