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ASP最新SQL防注入过滤涵数

2008-07-07 07:04:37  編輯來源:互聯網  简体版  手機版  評論  字體: ||
 
 
  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(13),"<;br>;", 1, -1, 1)

  checkstr = replace(str,"’","’’", 1, -1, 1)

  end function
 
 
 
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(13),"<;br>;", 1, -1, 1) checkstr = replace(str,"’","’’", 1, -1, 1) end function
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