Ethereal-dev: RE: [Ethereal-dev] Patch (PDML fields less than one byte)
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From: <vasanth.manickam@xxxxxx>
Date: Wed, 25 May 2005 16:35:23 +0100
Sorry for spamming again.. I am unable to format the patch in the mail.. Attaching the file now... -----Original Message----- From: ethereal-dev-bounces@xxxxxxxxxxxx [mailto:ethereal-dev-bounces@xxxxxxxxxxxx] On Behalf Of vasanth.manickam@xxxxxx Sent: 25 May 2005 16:31 To: ethereal-dev@xxxxxxxxxxxx; gram@xxxxxxxxxxxxxxx Subject: RE: [Ethereal-dev] Patch (PDML fields less than one byte) Oops in the previous mail the patch seems to be formatted all wrong... --- print1.c 2005-05-25 13:13:53.000000000 +0100 +++ print.c 2005-05-25 16:09:25.301581248 +0100 @@ -346,6 +346,13 @@ } if (fi->length > 0) { fputs("\" value=\"", pdata->fh); + + if(fi->hfinfo->bitmask!=0){ + fprintf(pdata->fh,"%X",fvalue_get_integer(&fi->value)); + fputs("\" unmaskedvalue=\"",pdata->fh); + write_pdml_field_hex_value(pdata,fi); + } + else write_pdml_field_hex_value(pdata,fi); } } -----Original Message----- From: ethereal-dev-bounces@xxxxxxxxxxxx [mailto:ethereal-dev-bounces@xxxxxxxxxxxx] On Behalf Of vasanth.manickam@xxxxxx Sent: 25 May 2005 16:21 To: gram@xxxxxxxxxxxxxxx; ethereal-dev@xxxxxxxxxxxx Subject: RE: [Ethereal-dev] Patch (PDML fields less than one byte) Ok I have fixed the patch to accommodate "unmaskedvalue" and also corrected a small error which applied the changes to some fields which were not necessarily subfields. I am new to contributing code to open source projects... Please guide me on how I can get this patch verified and make it into the main build... Vasanth Manickam --- print.c 2005-05-25 13:13:53.000000000 +0100 +++ print1.c 2005-05-25 16:09:25.301581248 +0100 @@ -346,6 +346,13 @@ } if (fi->length > 0) { fputs("\" value=\"", pdata->fh); + + if(fi->hfinfo->bitmask!=0){ + fprintf(pdata->fh, "%X", fvalue_get_integer(&fi->value)); + fputs("\" unmaskedvalue=\"", pdata->fh); + write_pdml_field_hex_value(pdata, fi); + } + else write_pdml_field_hex_value(pdata, fi); } } -----Original Message----- From: ethereal-dev-bounces@xxxxxxxxxxxx [mailto:ethereal-dev-bounces@xxxxxxxxxxxx] On Behalf Of Gilbert Ramirez Sent: 24 May 2005 15:38 To: Ethereal development Subject: Re: [Ethereal-dev] Patch (PDML fields less than one byte) Upon further reading of the PDML specification at: http://analyzer.polito.it/30alpha/docs/dissectors/PDMLSpec.htm I see that you're right, but if we're going to show bit values in hex in the "value" attribute, then we need to also add the "unmaskedvalue" attribute for those fields. The "unmaskedvalue" attribute will show the hex value of the entire byte or bytes. --gilbert On 5/24/05, vasanth.manickam@xxxxxx <vasanth.manickam@xxxxxx> wrote: > > The export PDML features creates an xml file where the value of the > subfields less than 1 byte have the wrong value. Instead of just the > bit or part of the byte the value field contains the entire byte. > > Example:- > > <field name="tcp.flags.cwr" showname="0... .... = Congestion Window > Reduced > (CWR): Not set" size="1" pos="47" show="0" value="18" /> > > > The value field is supposed to represent only the 1st bit but the > entire byte is represented as value 18. This caused a lot of problem > in applications which process the xml file for further use. > > The below patch seems to solve this problem by modifying the value > field that is written to the xml file > > > ------------------------------------------------- > > --- print.c 2005-05-24 12:52:55.000000000 +0100 > +++ print_new.c 2005-05-24 13:08:56.593591576 +0100 > @@ -346,6 +346,10 @@ > } > if (fi->length > 0) { > fputs("\" value=\"", pdata->fh); > + if (!fi->rep) > + print_escaped_xml(pdata->fh, &dfilter_string[chop_len]); > + else > write_pdml_field_hex_value(pdata, fi); > } > } > _______________________________________________ > Ethereal-dev mailing list > Ethereal-dev@xxxxxxxxxxxx > http://www.ethereal.com/mailman/listinfo/ethereal-dev > > > _______________________________________________ Ethereal-dev mailing list Ethereal-dev@xxxxxxxxxxxx http://www.ethereal.com/mailman/listinfo/ethereal-dev _______________________________________________ Ethereal-dev mailing list Ethereal-dev@xxxxxxxxxxxx http://www.ethereal.com/mailman/listinfo/ethereal-dev _______________________________________________ Ethereal-dev mailing list Ethereal-dev@xxxxxxxxxxxx http://www.ethereal.com/mailman/listinfo/ethereal-dev
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