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！ _m],(J=,z  
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试试这两种方法: /BM1AV{s6  
第一种： hZ<btN.y5  
squery=lcase(Request.ServerVariables("QUERY_STRING")) FRFAWK<  
sURL=lcase(Request.ServerVariables("HTTP_HOST")) "!tw ,Gp  
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SQL_injdata =":|;|>|<|--|sp_|xp_|\|dir|cmd|^|(|)|+|$|'|copy|format|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" xV#a(>-4  
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SQL_inj = split(SQL_Injdata,"|") J\3} il N  
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For SQL_Data=0 To Ubound(SQL_inj) GYC&P]  
if instr(squery&sURL,Sql_Inj(Sql_DATA))>0 Then s.`d<(X?  
Response.Write "SQL通用防注入系统" ,: 4DN&<  
Response.end jJZsBOW[8  
end if vo(NB !x$  
next pFTlhj)1  
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第二种： lGUV(D  
SQL_injdata =":|;|>|<|--|sp_|xp_|\|dir|cmd|^|(|)|+|$|'|copy|format|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" Jwd&[ O  
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SQL_inj = split(SQL_Injdata,"|") 5lnSa+_/f  
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If Request.QueryString<>"" Then .dT;T%3fO  
For Each SQL_Get In Request.QueryString ^,lZ58 2  
For SQL_Data=0 To Ubound(SQL_inj) R:<@+z^A[  
if instr(Request.QueryString(SQL_Get),Sql_Inj(Sql_DATA))>0 Then hw$c@:pW;  
Response.Write "SQL通用防注入系统" {~fCqP.2  
Response.end T[-c|  
end if 
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next _I_?k+#WFe  
Next W@,p9=425  
End If pYl{:uIPN8  
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If Request.Form<>"" Then ]^9* t,{9  
For Each Sql_Post In Request.Form *Ca)RgM  
For SQL_Data=0 To Ubound(SQL_inj) TE% #$q  
if instr(Request.Form(Sql_Post),Sql_Inj(Sql_DATA))>0 Then cmhN(==  
Response.Write "SQL通用防注入系统" ]"Y%M'  
Response.end UZP6x2:=  
end if k%}89glm  
next (YHvGGr  
next S9R]Zl7{-  
end if [!@oRK
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第三种 >}b6
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<% M
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'--------定义部份------------------ 9xn23*Fo  
Dim Str_Post,Str_Get,Str_In,Str_Inf,Str_Xh,Str_db,Str_dbstr }b +QYSt  
'自定义需要过滤的字串,用 "■"分离 3g[j%`k  
Str_In = "'■;■and■exec■insert■select■delete■update■count■*■%■chr■mid■master■truncate■char■declare" >:E*7
 
'---------------------------------- 
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}  
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<% d-;9L56{P  
Str_Inf = split(Str_In,"■") ~59`S#ax/l  
'--------POST部份------------------ 3 ;MjO*-  
If Request.Form<>"" Then x XM!E 8  
For Each Str_Post In Request.Form P5>5ps"iU  
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For Str_Xh=0 To Ubound(Str_Inf) tIb21c q  
If Instr(LCase(Request.Form(Str_Post)),Str_Inf(Str_Xh))<>0 Then ]A72)1  
'--------写入数据库----------头----- ^YR|WKY  
Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" o L Vtu5  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") yv)nW::D(  
Str_db.open Str_dbstr /;&+< }
 
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),"'","''")&"')") R pI<]1
  
Str_db.close BwJ^_:(p~  
Set Str_db = Nothing {Mr~%y4  
'--------写入数据库----------尾----- RP,:[}mPl  
Response.Write "<Script Language=JavaScript>alert('请不要在参数中包含非法字符尝试注入！');</Script>" E0eQ9BXh  
Response.Write "非法操作！系统做了如下记录:<br>" 6WN(22Io  
Response.Write "操作IP："&Request.ServerVariables("REMOTE_ADDR")&"<br>" s S5fd)x  
Response.Write "操作时间："&Now&"<br>" 030U7VT1  
Response.Write "操作页面："&Request.ServerVariables("URL")&"<br>" HCG@#W<wc  
Response.Write "提交方式：POST<br>"
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Response.Write "提交参数："&Str_Post&"<br>" x8?x/xE  
Response.Write "提交数据："&Request.Form(Str_Post) j;20JA/b  
Response.End $tCcjBK\  
End If wD],{y  
Next pzq;vMr  
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Next y168K[p  
End If Ah>gC!F^  
'---------------------------------- ) wY!/
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'--------GET部份------------------- (X(1kj3  
If Request.QueryString<>"" Then KO"Jg-6r|  
For Each Str_Get In Request.QueryString 7q!yCU  
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For Str_Xh=0 To Ubound(Str_Inf) 8b:clvh  
If Instr(LCase(Request.QueryString(Str_Get)),Str_Inf(Str_Xh))<>0 Then g[s\~MF@s  
'--------写入数据库----------头----- N3gNOq&  
Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" 58&{5YpS  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") P$18Xno{  
Str_db.open Str_dbstr j\'+wVyo  
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),"'","''")&"')") 
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Str_db.close AL]h|)6QpC  
Set Str_db = Nothing NdsX*o@a  
'--------写入数据库----------尾----- +K;Y+ K&;2  
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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>" n<?SZ^X{,/  
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>" J4G> E.8  
Response.Write "操作时间："&Now&"<br>" E-sSRt  
Response.Write "操作页面："&Request.ServerVariables("URL")&"<br>" dGsS<@G  
Response.Write "提交方式：GET<br>" 3gG+`{<  
Response.Write "提交参数："&Str_Get&"<br>" 8nIM ZV  
Response.Write "提交数据："&Request.QueryString(Str_Get) 4e@&QOo`Cu  
Response.End TTZ['HP oI  
End If I{
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Next SgpZ;\_  
Next C NfJ:e2  
End If M_h8#7{G  
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第3中方法需要你自己建个数据库表