ASP最新SQL防注入过滤涵数

2019-11-17 04:30:52

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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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