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！ rrz^LD  
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试试这两种方法: 2Kwr
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第一种： @^R6}qJ  
squery=lcase(Request.ServerVariables("QUERY_STRING")) /#TtAkH  
sURL=lcase(Request.ServerVariables("HTTP_HOST")) E&G]R!  
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SQL_injdata =":|;|>|<|--|sp_|xp_|\|dir|cmd|^|(|)|+|$|'|copy|format|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" t.X8 c/,;g  
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SQL_inj = split(SQL_Injdata,"|") XN|[8+#U<@  
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For SQL_Data=0 To Ubound(SQL_inj) =/kwUjC?  
if instr(squery&sURL,Sql_Inj(Sql_DATA))>0 Then &uP,w#  
Response.Write "SQL通用防注入系统" eU(cn8/}  
Response.end pd^"MG  
end if efN5(9*9R  
next Dqu?mg;L  
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第二种： ?hBjq  
SQL_injdata =":|;|>|<|--|sp_|xp_|\|dir|cmd|^|(|)|+|$|'|copy|format|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" c'md)nD2M  
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SQL_inj = split(SQL_Injdata,"|") Tji*\<?  
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If Request.QueryString<>"" Then D4Z7j\3a
 
For Each SQL_Get In Request.QueryString (! a;}V<7  
For SQL_Data=0 To Ubound(SQL_inj) R/EpfYOX  
if instr(Request.QueryString(SQL_Get),Sql_Inj(Sql_DATA))>0 Then <]Btx;}  
Response.Write "SQL通用防注入系统" 6v?tZ&, G  
Response.end kltorlH  
end if BK]5g[   
next #n_t5 O[  
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End If <5O:jd  
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If Request.Form<>"" Then Fe1^9ja  
For Each Sql_Post In Request.Form }y>/#]X  
For SQL_Data=0 To Ubound(SQL_inj) 'IQ;;[Q  
if instr(Request.Form(Sql_Post),Sql_Inj(Sql_DATA))>0 Then k5gvo  
Response.Write "SQL通用防注入系统" &0x;60b  
Response.end  | \FJ  
end if ech1{v\B|  
next 4 D)M_O  
next F]GX;<`  
end if U+G8Hs/y  
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第三种 EG!Nsb^,  
<% E>c*A40=.n  
'--------定义部份------------------ O[+\` 63F=  
Dim Str_Post,Str_Get,Str_In,Str_Inf,Str_Xh,Str_db,Str_dbstr 3w&Z:<  
'自定义需要过滤的字串,用 "■"分离 m^$KDrkD  
Str_In = "'■;■and■exec■insert■select■delete■update■count■*■%■chr■mid■master■truncate■char■declare" Ug#EAV<m  
'---------------------------------- w&eq *q
 
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<% `3^%ft~l  
Str_Inf = split(Str_In,"■") ~Dbu;cqR@  
'--------POST部份------------------ 1VA%xOURh  
If Request.Form<>"" Then
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For Each Str_Post In Request.Form Bo4iX,zu  
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For Str_Xh=0 To Ubound(Str_Inf) efK WR  
If Instr(LCase(Request.Form(Str_Post)),Str_Inf(Str_Xh))<>0 Then 3ih:t'N-  
'--------写入数据库----------头----- &[t} /+)  
Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" @NYlVk2  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") .h-k*F0Ga)  
Str_db.open Str_dbstr )uO 3v  
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),"'","''")&"')") 3Vk<hBw2  
Str_db.close J\?d+}hynX  
Set Str_db = Nothing \7WZFh%:  
'--------写入数据库----------尾----- zB8J|uG  
Response.Write "<Script Language=JavaScript>alert('请不要在参数中包含非法字符尝试注入！');</Script>" ts&sr  
Response.Write "非法操作！系统做了如下记录:<br>" 9w <k1j  
Response.Write "操作IP："&Request.ServerVariables("REMOTE_ADDR")&"<br>" PNpH)'C|
 
Response.Write "操作时间："&Now&"<br>" ~p{ fl?  
Response.Write "操作页面："&Request.ServerVariables("URL")&"<br>" %GigRA@no  
Response.Write "提交方式：POST<br>" 2,rjy|R`  
Response.Write "提交参数："&Str_Post&"<br>" `svOPB4C'  
Response.Write "提交数据："&Request.Form(Str_Post) V^kl_!@  
Response.End YK V"bI  
End If MZt&HbD-  
Next [Qn=y/._r  
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Next ejpSbVJ  
End If ~>uu1[/  
'---------------------------------- DfZ)gqp/Av  

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'--------GET部份------------------- E9Hyd #
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If Request.QueryString<>"" Then K7},X01^  
For Each Str_Get In Request.QueryString FTh /1" a  
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For Str_Xh=0 To Ubound(Str_Inf) K 5AA rI  
If Instr(LCase(Request.QueryString(Str_Get)),Str_Inf(Str_Xh))<>0 Then uDMyO<\  
'--------写入数据库----------头----- w1)SuMFK_  
Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" G3D!ifho.#  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") *40Z}1ng  
Str_db.open Str_dbstr J5zu}U?  
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),"'","''")&"')") cJ#%OU3p  
Str_db.close }-PV%MNud  
Set Str_db = Nothing "uU[I,h  
'--------写入数据库----------尾----- TnLblkX  
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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>" ++CL0S$e  
Response.Write "非法操作！系统做了如下记录:<br>" 9=G dj!L  
Response.Write "操作IP："&Request.ServerVariables("REMOTE_ADDR")&"<br>" -hKtd3WbT  
Response.Write "操作时间："&Now&"<br>" r'J3\7N!u  
Response.Write "操作页面："&Request.ServerVariables("URL")&"<br>" Cgn@@ P5ZC  
Response.Write "提交方式：GET<br>" CW@G(R  
Response.Write "提交参数："&Str_Get&"<br>" @,SN8K0T  
Response.Write "提交数据："&Request.QueryString(Str_Get) h
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Response.End EK}QjY[i  
End If i; 3qMBVY~  
Next Ffr6P }I  
Next @v=A)L  
End If -
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第3中方法需要你自己建个数据库表