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！ P<Bx1H-z-  
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试试这两种方法: pt"9zkPj  
第一种： k L6s49  
squery=lcase(Request.ServerVariables("QUERY_STRING")) "~r)_Ko  
sURL=lcase(Request.ServerVariables("HTTP_HOST")) MG=8`J-`  
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SQL_injdata =":|;|>|<|--|sp_|xp_|\|dir|cmd|^|(|)|+|$|'|copy|format|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" ms5?^kS2O  
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SQL_inj = split(SQL_Injdata,"|") x5MS#c!7  
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For SQL_Data=0 To Ubound(SQL_inj) deaB_cjdI  
if instr(squery&sURL,Sql_Inj(Sql_DATA))>0 Then ^CLQs;zXE  
Response.Write "SQL通用防注入系统" M1WD^?tKQ.  
Response.end J)n_u),  
end if 
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第二种： o/7u7BQl2  
SQL_injdata =":|;|>|<|--|sp_|xp_|\|dir|cmd|^|(|)|+|$|'|copy|format|and|exec|insert|select|delete|update|count|*|%|chr|mid|master|truncate|char|declare" nl 'MWP  
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SQL_inj = split(SQL_Injdata,"|") @:Zk,  
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If Request.QueryString<>"" Then 2`riI*fQ  
For Each SQL_Get In Request.QueryString (o IGp  
For SQL_Data=0 To Ubound(SQL_inj) 5\z<xpJ  
if instr(Request.QueryString(SQL_Get),Sql_Inj(Sql_DATA))>0 Then Dh8'og)7  
Response.Write "SQL通用防注入系统" v]{UH{6  
Response.end -O\i^?lD;
 
end if 3%?t
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End If -c]AS[(  
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If Request.Form<>"" Then t?G6|3
  
For Each Sql_Post In Request.Form 9}9VZ r?  
For SQL_Data=0 To Ubound(SQL_inj)
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if instr(Request.Form(Sql_Post),Sql_Inj(Sql_DATA))>0 Then R]X 0D.  
Response.Write "SQL通用防注入系统" i:aW .QZ.  
Response.end tjFX(;^[  
end if 0)Ephsw  
next )%Fwfb  
next _

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end if YS^!'IyG/B  
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第三种 ,9bnR;f\  
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'--------定义部份------------------ h*l
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Dim Str_Post,Str_Get,Str_In,Str_Inf,Str_Xh,Str_db,Str_dbstr ?MRY*[$  
'自定义需要过滤的字串,用 "■"分离 ]7Vg9&1`  
Str_In = "'■;■and■exec■insert■select■delete■update■count■*■%■chr■mid■master■truncate■char■declare" *p $0(bz  
'---------------------------------- cw!,.o%cD  
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<% PX|@D_%Y=  
Str_Inf = split(Str_In,"■") ?yS1|CF%&y  
'--------POST部份------------------ GA gTy  
If Request.Form<>"" Then K#Ck,Y "  
For Each Str_Post In Request.Form IANSpWea?  
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For Str_Xh=0 To Ubound(Str_Inf) fYUV[Gm  
If Instr(LCase(Request.Form(Str_Post)),Str_Inf(Str_Xh))<>0 Then l{Df{1b.  
'--------写入数据库----------头----- vO1; ;  
Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" 6`CRT TJ 7  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") `RnWh
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Str_db.open Str_dbstr  .
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Str_db.Execute("insert into SqlIn(Sqlin_IP,SqlIn_Web,SqlIn_FS,SqlIn_CS,SqlIn_SJ) values('"&Request.ServerVariables("REMOTE_ADDR")&"','"&Request.ServerVariables("URL")&"','POST','"&Str_Post&"','"&replace(Request.Form(Str_Post),"'","''")&"')") uTR
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Str_db.close QnVr)4"  
Set Str_db = Nothing p@G7}'|eyA  
'--------写入数据库----------尾----- nU_O|l9  
Response.Write "<Script Language=JavaScript>alert('请不要在参数中包含非法字符尝试注入！');</Script>" -Ty~lZ)TDT  
Response.Write "非法操作！系统做了如下记录:<br>" v,ssv{gU  
Response.Write "操作IP："&Request.ServerVariables("REMOTE_ADDR")&"<br>" ^MvuFA,C  
Response.Write "操作时间："&Now&"<br>" V_SH90@)+  
Response.Write "操作页面："&Request.ServerVariables("URL")&"<br>" :_R:>n9 p  
Response.Write "提交方式：POST<br>" e7U\gtZ.  
Response.Write "提交参数："&Str_Post&"<br>" Bx#i?=*W  
Response.Write "提交数据："&Request.Form(Str_Post) oa:YAqT  
Response.End J|q(HpB  
End If *z0d~j*W;  
Next TsTc3  
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Next d5m-f/  
End If Zl5'%b$&  
'---------------------------------- ]X>yZec  
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'--------GET部份------------------- ls@]%pz.1d  
If Request.QueryString<>"" Then KRa
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For Each Str_Get In Request.QueryString q;'f3Y  
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For Str_Xh=0 To Ubound(Str_Inf) _!',%+  
If Instr(LCase(Request.QueryString(Str_Get)),Str_Inf(Str_Xh))<>0 Then R_PF*q2 '  
'--------写入数据库----------头----- lxhb)]c ^>  
Str_dbstr="DBQ="+server.mappath("SqlIn.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" Z4VFfGCTL  
Set Str_db=Server.CreateObject("ADODB.CONNECTION") jn2=)KBa_  
Str_db.open Str_dbstr *1dDs^D#|  
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),"'","''")&"')") KG'i#(u[  
Str_db.close y"JR kJ
 
Set Str_db = Nothing y"q a
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'--------写入数据库----------尾----- Ha@;Sz<R  
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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>" {6'Xz  
Response.Write "非法操作！系统做了如下记录:<br>" 7{|QkTgC  
Response.Write "操作IP："&Request.ServerVariables("REMOTE_ADDR")&"<br>" /}?7Eni  
Response.Write "操作时间："&Now&"<br>" CFaY=Cy  
Response.Write "操作页面："&Request.ServerVariables("URL")&"<br>" 5WQl?yMP  
Response.Write "提交方式：GET<br>" 9"P|Csj  
Response.Write "提交参数："&Str_Get&"<br>" /5ZX6YkeH  
Response.Write "提交数据："&Request.QueryString(Str_Get) n"(!v7YNp  
Response.End ShB]U5b:k  
End If s6bsV
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Next C%XO|
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Next s*izhjjX  
End If R+M&\5  
%> c2npma]DZ  
第3中方法需要你自己建个数据库表