On Sat, Mar 05, 2016 at 01:47:04PM +0200, Julian Anastasov wrote: > > Hello, > > On Sat, 5 Mar 2016, Marco Angaroni wrote: > > > The IPVS SIP persistence engine is not able to parse the SIP header > > "Call-ID" when such header is inserted in the first positions of > > the SIP message. > > > > When IPVS is configured with "--pe sip" option, like for example: > > ipvsadm -A -u 1.2.3.4:5060 -s rr --pe sip -p 120 -o > > some particular messages (see below for details) do not create entries > > in the connection template table, which can be listed with: > > ipvsadm -Lcn --persistent-conn > > > > Problematic SIP messages are SIP responses having "Call-ID" header > > positioned just after message first line: > > SIP/2.0 200 OK > > [Call-ID header here] > > [rest of the headers] > > > > When "Call-ID" header is positioned down (after a few other headers) > > it is correctly recognized. > > > > This is due to the data offset used in get_callid function call inside > > ip_vs_pe_sip.c file: since dptr already points to the start of the > > SIP message, the value of dataoff should be initially 0. > > Otherwise the header is searched starting from some bytes after the > > first character of the SIP message. > > > > Fixes: 758ff0338722 ("IPVS: sip persistence engine") > > Signed-off-by: Marco Angaroni <marcoangaroni@xxxxxxxxx> > > Looks good to me. Simon, please apply. > > Acked-by: Julian Anastasov <ja@xxxxxx> Thanks, I have tentatively queued this up as a fix for v4.5. -- To unsubscribe from this list: send the line "unsubscribe lvs-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html