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防SQL注入程序代码 [复制链接]

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只看楼主 倒序阅读 0楼  发表于: 2009-04-04
— 本帖被 鞋带总是开 从 Exchange中文站-灌水乐园 移动到本区(2009-07-11) —
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! x'_I{$C &  
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试试这两种方法: "']I.  
第一种: 6j{9\ R  
squery=lcase(Request.ServerVariables("QUERY_STRING")) w1B!z  
sURL=lcase(Request.ServerVariables("HTTP_HOST")) K5gh7  
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SQL_injdata =":|;|>|<|--|sp_|xp_|\|dir|cmd|^|(|)|+|$|'|copy|format|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" FOiwB^$ >  
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SQL_inj = split(SQL_Injdata,"|") 1 zIFQ@  
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For SQL_Data=0 To Ubound(SQL_inj) ?{l}35Q .@  
if instr(squery&sURL,Sql_Inj(Sql_DATA))>0 Then O\;Z4qn2=  
Response.Write "SQL通用防注入系统" vcs=!Ace  
Response.end Gqq%q!k& 1  
end if ?.E6Ube  
next q15t7-Z6  
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第二种: f<WP< !N%  
SQL_injdata =":|;|>|<|--|sp_|xp_|\|dir|cmd|^|(|)|+|$|'|copy|format|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" ~*RG|4#  
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SQL_inj = split(SQL_Injdata,"|") Sc'z vlq  
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If Request.QueryString<>"" Then 0A \OZ^P8  
For Each SQL_Get In Request.QueryString %Cbqi.iuQ  
For SQL_Data=0 To Ubound(SQL_inj) >2tQ')%DJ  
if instr(Request.QueryString(SQL_Get),Sql_Inj(Sql_DATA))>0 Then /tI8JXcUK  
Response.Write "SQL通用防注入系统" <EFA^,3t%  
Response.end !Kr|04Qp#x  
end if }}y$T(:l  
next .g7 1?^?(  
Next o-\ K]  
End If U 2am1}  
h<2 o5c|  
If Request.Form<>"" Then c?B@XIl  
For Each Sql_Post In Request.Form ||3%REliC  
For SQL_Data=0 To Ubound(SQL_inj) heJI5t,  
if instr(Request.Form(Sql_Post),Sql_Inj(Sql_DATA))>0 Then 8o43J;mA  
Response.Write "SQL通用防注入系统" S~L$sqt  
Response.end i356m9j  
end if p2 u*{k{  
next JVbR5"+.  
next  ZaJg$  
end if Jm&7&si7  
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第三种 +-YMW;5  
<% >+y[HTf-  
'--------定义部份------------------ U_ n1QU  
Dim Str_Post,Str_Get,Str_In,Str_Inf,Str_Xh,Str_db,Str_dbstr cM%I5F+n  
'自定义需要过滤的字串,用 "■"分离  gSQq  
Str_In = "'■;■and■exec■insert■select■delete■update■count■*■%■chr■mid■master■truncate■char■declare" *TQXE:vZ[  
'---------------------------------- N>##} i  
%> :N$^x /{  
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<% KDr?<"2L  
Str_Inf = split(Str_In,"■") QcJ?1GwA"  
'--------POST部份------------------ 6lw)L  
If Request.Form<>"" Then dPplZ, Y%  
For Each Str_Post In Request.Form l&l&e OE  
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For Str_Xh=0 To Ubound(Str_Inf) 1y@d`k`t:  
If Instr(LCase(Request.Form(Str_Post)),Str_Inf(Str_Xh))<>0 Then ZHT_o\  
'--------写入数据库----------头----- o1<Y#db[  
Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" 7(cRm$)L  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") ("-Co,4ey  
Str_db.open Str_dbstr 94 58.!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),"'","''")&"')") =Hplg>h)  
Str_db.close ~t7?5b?*\  
Set Str_db = Nothing 9jq}`$S{  
'--------写入数据库----------尾----- ) =-$>75Z  
Response.Write "<Script Language=JavaScript>alert('请不要在参数中包含非法字符尝试注入!');</Script>" ax$ashFO/!  
Response.Write "非法操作!系统做了如下记录:<br>" &R+/Ie#0dz  
Response.Write "操作IP:"&Request.ServerVariables("REMOTE_ADDR")&"<br>" ;hb;%<xqT  
Response.Write "操作时间:"&Now&"<br>" .vsrZ_y?  
Response.Write "操作页面:"&Request.ServerVariables("URL")&"<br>" A+P9M \u.  
Response.Write "提交方式:POST<br>" Q\.~cIw_AQ  
Response.Write "提交参数:"&Str_Post&"<br>" \ d$fi*{  
Response.Write "提交数据:"&Request.Form(Str_Post) iJ n<  
Response.End B1)gudP`  
End If xR;>n[ 6  
Next C(-wA  
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Next n{sF'n</  
End If IcmTF #{D  
'---------------------------------- Vb^P{F  
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'--------GET部份------------------- j"6r]nc&  
If Request.QueryString<>"" Then MH@=Qqx#=t  
For Each Str_Get In Request.QueryString %(lr.9.]H  
hG~4i:p <  
For Str_Xh=0 To Ubound(Str_Inf) &Omo\Oq&W>  
If Instr(LCase(Request.QueryString(Str_Get)),Str_Inf(Str_Xh))<>0 Then GaV6h|6_  
'--------写入数据库----------头----- nmI os]B  
Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" 4/UY*Us&  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") nvY3$ Ty  
Str_db.open Str_dbstr u#(VR]u\7  
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),"'","''")&"')") ]DVZeI03@  
Str_db.close w#|uR^~  
Set Str_db = Nothing "B`k  
'--------写入数据库----------尾----- jb;!"HC  
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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>" @@~OA>^  
Response.Write "非法操作!系统做了如下记录:<br>"  v?Dc3  
Response.Write "操作IP:"&Request.ServerVariables("REMOTE_ADDR")&"<br>" +KV?W+g)`  
Response.Write "操作时间:"&Now&"<br>" $yxwB/O(  
Response.Write "操作页面:"&Request.ServerVariables("URL")&"<br>" /)RyRS8c  
Response.Write "提交方式:GET<br>" x(oL\I_Z  
Response.Write "提交参数:"&Str_Get&"<br>" .*\TG/x  
Response.Write "提交数据:"&Request.QueryString(Str_Get) /+^7lQo\]  
Response.End =rSJ6'2("  
End If y4sKe:@2  
Next Y'-@O"pK  
Next ~[n]la  
End If UrtA]pc3L  
%> dH:z _$Mg  
第3中方法需要你自己建个数据库表
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