29 Feb
2016
29 Feb
'16
3:07 a.m.
Hello,
```
kamailio -v
version: kamailio 4.4.0-pre0 (i386/linux) f39d14-dirty
flags: STATS: Off, EXTRA_DEBUG, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS,
DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC,
TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE,
USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024,
BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: f39d14 -dirty
compiled on 17:01:22 Feb 12 2016 with gcc 4.9.3
```
If I read well the RFC 3261 section 20.19
[https://tools.ietf.org/html/rfc3261#section-20.19] a SUBSCRIBE or a PUBLISH may have an
Expires value of 2**32-1 = (4294967295).
But it appears to me that this value is not supported in Kamailio even if I allow it as a
max_expires option in configuration (modparam("presence",
"max_expires", 4294967295)).
Kamailio answers with the following:
```
2016/02/29 09:02:59.343750 192.168.100.1:5060 -> 192.168.2.2:5062
SIP/2.0 423 Interval Too Brief
via: SIP/2.0/UDP 192.168.2.2:5062;branch=z9hG4bK-11535-1-9;rport=5062
From: "User1" <sip:user1@example.com>;tag=11535-1
To: "User1"
<sip:user1@example.com>;tag=dfba6eee28f067076993264b7e466d4e.151a
Call-ID: 1-11545(a)192.168.1.1-user1
CSeq: 3 PUBLISH
Expires: -2147483648
SIP-ETag: a.1456732971.11285.1.0
Server: kamailio (4.4.0-pre0 (i386/linux))
Content-Length: 0
```
Which is not compliant with the RFC, the Expires value should not be signed.
---
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https://github.com/kamailio/kamailio/issues/521
3 Mar
3 Mar
10:19 a.m.
I pushed some changes to presence module in master branch to use unsigned int for expires.
Can you test and report the results?
---
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10:45 a.m.
Hi Daniel,
```
version: kamailio 4.4.0-pre1 (i386/linux) c5289e-dirty
flags: STATS: Off, EXTRA_DEBUG, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS,
DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC,
TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE,
USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024,
BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: c5289e -dirty
compiled on 16:23:17 Mar 3 2016 with gcc 4.9.3
```
I don't see negative values anymore, so this is better.
But if I use Expires: 4294967295 in my subscribe (and presence max_expires fixed to
4294967295) here is what I get:
```
2016/03/03 16:36:39.625775 192.168.2.2:5062 -> 192.168.100.1:5060
SUBSCRIBE sip:user1@example.com SIP/2.0
via: SIP/2.0/UDP 192.168.2.2:5062;branch=z9hG4bK-9586-1-5
From: "user1" <sip:user1@example.com>;tag=9586-1
To: "user1" <sip:user1@example.com>
Call-ID: 1-9596(a)192.168.1.1-user1
CSeq: 2 SUBSCRIBE
Contact: <sip:user1@192.168.2.2:5062>
Max-Forwards: 70
Expires: 4294967295
Event: presence
User-Agent: TESTING
Content-Length: 0
```
```
2016/03/03 16:36:39.630956 192.168.100.1:5060 -> 192.168.2.2:5062
SIP/2.0 202 OK
via: SIP/2.0/UDP 192.168.2.2:5062;branch=z9hG4bK-9586-1-5;rport=5062
From: "user1" <sip:user1@example.com>;tag=9586-1
To: "user1"
<sip:user1@example.com>;tag=cf07c8ffb98dc22e80bb9fddf106b1f6-ca34
Call-ID: 1-9596(a)192.168.1.1-user1
CSeq: 2 SUBSCRIBE
Expires: 2147483647
Contact: <sip:presence@example.com>
Server: kamailio (4.4.0-pre1 (i386/linux))
Content-Length: 0
```
```
2016/03/03 16:36:39.631069 192.168.100.1:5060 -> 192.168.2.2:5062
NOTIFY sip:user1@192.168.2.2:5062 SIP/2.0
Via: SIP/2.0/UDP 192.168.100.1;branch=z9hG4bKdb1e.fa29e892000000000000000000000000.0
To: <sip:user1@example.com>;tag=9586-1
From: <sip:user1@example.com>;tag=cf07c8ffb98dc22e80bb9fddf106b1f6-ca34
CSeq: 2 NOTIFY
Call-ID: 1-9596(a)192.168.1.1-user1
Content-Length: 0
User-Agent: kamailio (4.4.0-pre1 (i386/linux))
Max-Forwards: 70
Event: presence
Contact: <sip:presence@example.com>
Subscription-State: active;expires=2147483647
```
Looks like the Expires value is divided by 2 or one bit is disappearing.
---
Reply to this email directly or view it on GitHub:
https://github.com/kamailio/kamailio/issues/521#issuecomment-191820572
15 Sep
15 Sep
5:19 a.m.
New subject: [kamailio/kamailio] Presence module should support a 32bit unsigned expire value (#521)
Seems that this issue was forgotten for quite some time. I just did a review of the code
and the expires value should be printed as unsigned int in the reply. Anyhow, I did a bit
of cleanup in the master branch to the code related to it. Can you test with master branch
having debug=3 and attach/send the log messages for processing the SUBSCRIBE?
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10 Oct
10 Oct
8:28 a.m.
New subject: [kamailio/kamailio] Presence module should support a 32bit unsigned expire value (#521)
Re-open if the master is exposing the issue, attaching the log as in the above comment.
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8:28 a.m.
New subject: [kamailio/kamailio] Presence module should support a 32bit unsigned expire value (#521)
Closed #521.
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Daniel-Constantin Mierla -
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