1.txt

ASP防注入过滤涵数

Function Checkstr(Str) 
If Isnull(Str) Then 
CheckStr = "" 
Exit Function 
End If 
Str = Replace(Str,Chr(0),"", 1, -1, 1) 
'Str = Replace(Str, """", """, 1, -1, 1)
Str = Replace(Str,"<","<", 1, -1, 1) 
Str = Replace(Str,">",">", 1, -1, 1) 
Str = Replace(Str, "script", "script", 1, -1, 0) 
Str = Replace(Str, "SCRIPT", "SCRIPT", 1, -1, 0) 
Str = Replace(Str, "Script", "Script", 1, -1, 0) 
Str = Replace(Str, "script", "Script", 1, -1, 1) 
Str = Replace(Str, "object", "object", 1, -1, 0) 
Str = Replace(Str, "OBJECT", "OBJECT", 1, -1, 0) 
Str = Replace(Str, "Object", "Object", 1, -1, 0) 
Str = Replace(Str, "object", "Object", 1, -1, 1) 
Str = Replace(Str, "applet", "applet", 1, -1, 0) 
Str = Replace(Str, "APPLET", "APPLET", 1, -1, 0) 
Str = Replace(Str, "Applet", "Applet", 1, -1, 0) 
Str = Replace(Str, "applet", "Applet", 1, -1, 1) 
Str = Replace(Str, "[", "[") 
Str = Replace(Str, "]", "]") 
Str = Replace(Str, """", "", 1, -1, 1) 
Str = Replace(Str, "=", "=", 1, -1, 1) 
Str = Replace(Str, "'", "''", 1, -1, 1) 
Str = Replace(Str, "select", "select", 1, -1, 1) 
Str = Replace(Str, "execute", "execute", 1, -1, 1) 
Str = Replace(Str, "exec", "exec", 1, -1, 1) 
Str = Replace(Str, "join", "join", 1, -1, 1) 
Str = Replace(Str, "union", "union", 1, -1, 1) 
Str = Replace(Str, "where", "where", 1, -1, 1) 
Str = Replace(Str, "insert", "insert", 1, -1, 1) 
Str = Replace(Str, "delete", "delete", 1, -1, 1) 
Str = Replace(Str, "update", "update", 1, -1, 1) 
Str = Replace(Str, "like", "like", 1, -1, 1) 
Str = Replace(Str, "drop", "drop", 1, -1, 1) 
Str = Replace(Str, "create", "create", 1, -1, 1) 
Str = Replace(Str, "rename", "rename", 1, -1, 1) 
Str = Replace(Str, "count", "count", 1, -1, 1) 
Str = Replace(Str, "chr", "chr", 1, -1, 1) 
Str = Replace(Str, "mid", "mid", 1, -1, 1) 
Str = Replace(Str, "truncate", "truncate", 1, -1, 1) 
Str = Replace(Str, "nchar", "nchar", 1, -1, 1) 
Str = Replace(Str, "char", "char", 1, -1, 1) 
Str = Replace(Str, "alter", "alter", 1, -1, 1) 
Str = Replace(Str, "cast", "cast", 1, -1, 1) 
Str = Replace(Str, "exists", "exists", 1, -1, 1) 
Str = Replace(Str,Chr(10),"<br>", 1, -1, 1) 
Str = Replace(Str,Chr(13),"<br>", 1, -1, 1) 
CheckStr = Replace(Str,"'","''", 1, -1, 1) 
End Function