Dear Pekka, all
I noticed some strange behavior in extract_first of msg_parser.c. It
seems that a request line that begins with LWS, or ends after CRLF is a valid
request line.
The followings are all valid according sofia-sip parser (double quote excluded).
" INVITE sip:a...@b.c SIP/2.0"
"INVITE sip:a...@b.c SIP/2.0
"
I also noticed that you have tests for that (test1.txt and test1a.txt).
According to RFC3261, request line is
Request-Line = Method SP Request-URI SP SIP-Version CRLF
and Method cannot begin with SP. Also Request-Line ends with CRLF.
Headers have HCOLON that could span multiple line (but always begin at the
start of the line), but not Request-Line.
Also I noticed that in RFC 4475 (SIP Torture Test Messages), the 3.1.1.1
message (that recalls test1.txt very much) has not spaces before the To header.
What do you think ?
Is there any reason for that implementation ?
Thanks in advance,
Filippo
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