Hi Mark, Thank you very much for clearing the confusion and descriptive reply.
Just wanted to know one more thing, will this rfc3501-errata be sometime reflected at http://www.ietf.org/rfc/rfc3501.txt Thanks -Amit --- Mark Crispin <[EMAIL PROTECTED]> wrote: > Thank you for asking. > > The implementation in c-client is correct, and your IMAP server is > incorrect. I understand how this happened, and to some extent it > is my > fault. > > However, the problem is that the author of your IMAP server did not > obey > explicit instructions in RFC 3501. Specifically, he did not > implement > using the formal syntax, but instead relied upon the descriptive > text. > This is a bad idea, since it causes precisely this type of problem. > RFC > 3501 section 1.1 states that the Formal Syntax is normative and > text in > section 6 and 7 is descriptive. > > The text in section 7.4.2 that says "string list" for the body > location > is, indeed, an error in the descriptive text. This erro has been > noted in > the RFC 3501 errata on the rfc-editor.org web site for some time. > There > is also a copy of the errata on the UW site: > ftp://ftp.cac.washington.edu/mail/imap.rfcs/rfc3501-errata > > The Formal Syntax for body-fld-loc in RFC 3501 is correct: > > body-fld-loc = nstring > > and, as noted above, overrides the incorrect "string list" text in > the > descriptive text in 7.4.2. > > At the rest of saying "I told you so", this is why I resisted > including > that level of detail in the descriptive text. The IMAP > specification is a > very large and complex document written and maintained by fallible > human > beings; and in spite of best efforts such errors have (and WILL) > occur. > Whenever there is more than one place that seems to document > something, > invariably there will be people who choose the wrong place as the > normative document. Usually this is alright, as the "other place" > matches > the normative statement; but there is always the exception such as > this. > > In summary: the Formal Syntax in RFC 3501 section 9, and ONLY the > Formal > Syntax in RFC 3501 section 9, is normative for the IMAP protocol. > Any > text found elsewhere, includes text in RFC 3501 section 6 or 7, > that > conflicts with the Formal Syntax is in error. > > On Tue, 23 Oct 2007, Amit Srivastava wrote: > > > Hello All, > > > > I have a query regarding the support of "location" member of the > BODY > > structure. > > > > In mail.h its datatype is char* > > > > BODY > > { > > ....... > > char *location; /* body content URI */ > > .... > > } > > > > But the RFC3501 says its a *stringlist*. > > << > > body location > > A *string list* giving the body content URI as defined > in > > [LOCATION]. > >>> > > > > Hence the problem is seen when following code is executed in > > imap4r1.c > > > > body->location = imap_parse_string > > (stream,txtptr,reply,NIL,NIL,LONGT); > > > > I am facing this issue against an imap server with RFC3501 > > implementing "content-location" as stringlist. > > e.g. > > > > C: fetch bodystructure > > S: * 1 FETCH (BODYSTRUCTURE (("TEXT" "PLAIN" ("CHARSET" > "us-ascii") > > <SPACE>NIL NIL "7BIT" 323 14 NIL NIL NIL NIL)("TEXT" > > "HTML"<SPACE> > > ("CHARSET" "iso-8859-1") NIL NIL "QUOTED-PRINTABLE" > > 50578<SPACE> > > 1111 NIL NIL NIL > ("http://home.netscape.com/"))<SPACE> > > "MIXED" ("BOUNDARY" > > "------------8FC7BFAA529B4689FD642892")<SPACE> > > NIL NIL NIL)) > > > > > > Note the parentheses in ("http://home.netscape.com/") above > response. > > > > UW IMAP does not handle '(' and ')' when looking for char*, but > it > > does handle this for STRINGLIST datatype. > > Its impact is very high - not able to see attachment. > > > > Am I missing something here or is it a bug in c-client library. > > > > > > Thanks, > > -Amit > > > > __________________________________________________ > > Do You Yahoo!? > > Tired of spam? Yahoo! Mail has the best spam protection around > > http://mail.yahoo.com > > _______________________________________________ > > Imap-uw mailing list > > [email protected] > > https://mailman1.u.washington.edu/mailman/listinfo/imap-uw > > > > -- Mark -- > > http://staff.washington.edu/mrc > Science does not emerge from voting, party politics, or public > debate. > Si vis pacem, para bellum. > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com _______________________________________________ Imap-uw mailing list [email protected] https://mailman1.u.washington.edu/mailman/listinfo/imap-uw
