[ciapug] Browser Strings

[Barry Von Ahsen]

On Thu, Oct 14, 2004 at 12:03:39PM -0500, Barry Von Ahsen wrote:
> You can check for XP SP2 also by searching for SV1 (I'm not sure which
> array element it would be in).  Useful for dealing with some of the
> "enhancements" they've made (like file downloads)
> 

here's my XP SP2 user agent:
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR
1.1.4322)

At work I have to develop for NN4, so forcing a "modern" browser doesn't
seem too cruel to me :)

-barry



> See the very bottom of:
> http://msdn.microsoft.com/security/default.aspx?pull=/library/en-us/dnwxp/html/xpsp2web.asp
> 
> -barry
> 
> 
> On Thu, Oct 14, 2004 at 09:19:44AM -0500, Dave J. Hala Jr. wrote:
> > So, I've been fooling around trying to identify the web browser, the os
> > and if $MS the patch level. I've tried on with Mozilla on RHEL WS 3.x,
> > windows 95/98 win2k and XP... 
> > 
> > It's a crude function that gets the basics:
> > 
> > 
> > function parse_id($browser_id)
> > {
> > #
> > # Almost always the good stuff starts at the right paren. Convert it
> > # into a semi-colon to make it easier to explode the string into an
> > array
> > $new_id = str_replace("(", ";", $browser_id);
> > # sometimes MS doesn't use the right paren in the id string, and they
> > add extra stuff,
> > # remember embrace and extend?
> > # convert the right paran to a semi colon if it exits
> > $new_id = str_replace(")", ";", $new_id);
> > #echo "New id: $new_id <BR>";
> > # explode the values into an array
> > $info = explode(";", $new_id);
> > $cnt = count($info);
> > # cleanup the elements
> > for ($i=0;$i<$cnt;$i++){ $info[$i] = ltrim(rtrim($info[$i]));}
> > # element # 2 in the array is the browser identity string.
> > # however, mozilla and firefox put a U in there.Firefox
> > # identifiers end up in the elements 4 and 5, mozilla in 4,5,6
> > if($info[2] == 'U'){ $info[2] = "$info[4] $info[5] $info[6]";}
> > # windows 95/98 are reported as Windows 95 or Windows 98
> > # However 2000/Xp are reported as NT 5.0 or NT 5.1
> > # so clean it up
> > if($info[3]== "Windows NT 5.0"){ $info[3] = "Windows 2000";}
> > if($info[3]== "Windows NT 5.1"){ $info[3] = "Windows XP";}
> > # print out the results
> > for ($i=0;$i<$cnt;$i++){ echo "$i: $info[$i] <BR> ";}
> > 
> > return($info);
> > 
> > }
> > 
> > If anyone has any comments or ideas, I'd appreciate some feedback.
> > 
> > Also here's an interesting link:
> > http://www.hyperborea.org/journal/archives/2004/06/19/whats-in-a-user-agent-string/
> > 
> > :) Dave
> > -- 
> > 
> > Open Source Information Systems (OSIS)
> > Dave J. Hala Jr. <dave@osis.us>
> > 641.485.1606
> > 
> > _______________________________________________
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> > ciapug@cialug.org
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> 
> -- 
> ==================
> Barry Von Ahsen
> barry@vonahsen.com
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-- 
==================
Barry Von Ahsen
barry@vonahsen.com