4 Aug
2017
4 Aug
'17
12:02 p.m.
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### Description
Im using the path module on loadbalancer, the update to the path module, seems to break
the default behavior.
<!--
Explain what you did, what you expected to happen, and what actually happened.
-->
### Troubleshooting
#### Reproduction
```
/* ----- rr params --------------------------------------------------------- */
/** add value to ;lr param (helps with some UAs) */
modparam("rr", "enable_full_lr", 1)
modparam("rr", "append_fromtag", 1)
/* ----- maxfwd params ----------------------------------------------------- */
modparam("maxfwd", "max_limit", 70)
/* ----- path params ------------------------------------------------------- */
modparam("path", "use_received", 1)
```
#### Debugging Data
#### Log Messages
<!--
Check the syslog file and if there are relevant log messages printed by Kamailio, add them
next, or attach to issue, or provide a link to download them (e.g., to a pastebin site).
-->
```
2(71369) DEBUG: rr [loose.c:85]: is_preloaded(): is_preloaded: Yes
2(71369) DEBUG: <core> [core/socket_info.c:564]: grep_sock_info(): checking if
host==us: 12==12 && [x.x.x.126] == [x.x.x.126]
2(71369) DEBUG: <core> [core/socket_info.c:567]: grep_sock_info(): checking if port
5060 (advertise 0) matches port 5060
2(71369) DEBUG: rr [loose.c:788]: after_loose(): Topmost route URI:
'sip:x.x.x.126;lr;received=sip:y.y.y.y:47056%3Btransport%3Dtls' is me
2(71369) DEBUG: <core> [core/parser/msg_parser.c:89]: get_hdr_field(): found end of
header
2(71369) DEBUG: rr [loose.c:180]: find_next_route(): No next Route HF found
2(71369) DEBUG: rr [loose.c:813]: after_loose(): No next URI found
2(71369) DEBUG: rr [rr_cb.c:95]: run_rr_callbacks(): callback id 0 entered with
<lr;received=sip:y.y.y.y:47056%3Btransport%3Dtls>
2(71369) DEBUG: <core> [core/strutils.c:214]: unescape_user(): unescaped string is
<sip:y.y.y.y:47056;transport=tls>
2(71369) DEBUG: path [path.c:424]: path_rr_callback(): setting dst uri:
sip:sip:y.y.y.y:47056%3Btranspo
2(71369) DEBUG: pv [pv_core.c:951]: pv_get_useragent(): no User-Agent header
2(71369) DEBUG: rr [loose.c:1068]: check_route_param(): route params checking against
[;lr;received=sip:y.y.y.y:47056%3Btransport%3Dtls] (orig:
[lr;received=sip:y.y.y.y:47056%3Btransport%3Dtls])
2(71369) DEBUG: rr [loose.c:1073]: check_route_param(): params are
<;lr;received=sip:y.y.y.y:47056%3Btransport%3Dtls>
2(71369) DEBUG: tm [t_lookup.c:1302]: t_newtran(): msg id=4 , global msg id=4 , T on
entrance=0x0
2(71369) DEBUG: tm [t_lookup.c:459]: t_lookup_request(): start searching: hash=16463,
isACK=0
2(71369) DEBUG: tm [t_lookup.c:417]: matching_3261(): RFC3261 transaction matching failed
2(71369) DEBUG: tm [t_lookup.c:641]: t_lookup_request(): no transaction found
2(71369) DEBUG: <core> [core/md5utils.c:67]: MD5StringArray(): MD5 calculated:
076837eff630cf1e80bed191da066432
2(71369) DEBUG: <core> [core/parser/parse_uri.c:1262]: parse_uri(): parse_uri: bad
char ':' in state 3 parsed: <sip:sip:y.y.y.y> (21) /
<sip:sip:y.y.y.y:47056%3Btranspo> (37)
2(71369) ERROR: tm [./ut.h:245]: uri2dst2(): bad_uri: [sip:sip:y.y.y.y:47056%3Btranspo]
2(71369) ERROR: tm [t_fwd.c:1735]: t_forward_nonack(): failure to add branches
2(71369) DEBUG: tm [t_funcs.c:330]: t_relay_to(): t_forward_nonack returned error -478
(-478)
2(71369) DEBUG: tm [t_funcs.c:348]: t_relay_to(): -478 error reply generation delayed
2(71369) DEBUG: <core> [core/msg_translator.c:159]: check_via_address(): (x.x.x.124,
x.x.x.124, 0)
2(71369) ERROR: sl [sl_funcs.c:362]: sl_reply_error(): stateless error reply used:
Unresolvable destination (478/SL)
2(71369) DEBUG: <core> [core/receive.c:283]: receive_msg(): request-route executed
in: 2594 usec
2(71369) DEBUG: tm [t_lookup.c:1458]: t_unref(): delayed error reply generation(-478)
2(71369) DEBUG: <core> [core/msg_translator.c:159]: check_via_address(): (x.x.x.124,
x.x.x.124, 0)
2(71369) DEBUG: tm [t_reply.c:1631]: cleanup_uac_timers(): RETR/FR timers reset
2(71369) DEBUG: tm [t_reply.c:598]: _reply_light(): reply sent out. buf=0x8018e77b0:
SIP/2.0 478 Unresolv..., shmem=0x8086bbc30: SIP/2.0 478 Unresolv
2(71369) DEBUG: tm [t_reply.c:608]: _reply_light(): finished
```
#### SIP Traffic
<!--
If the issue is exposed by processing specific SIP messages, grab them with ngrep or save
in a pcap file, then add them next, or attach to issue, or provide a link to download them
(e.g., to a pastebin site).
-->
```
2017/08/04 10:27:55.690224 x.x.x.124:5060 -> x.x.x.126:5060
OPTIONS sip:user@y.y.y.y:43098;transport=TLS SIP/2.0
Via: SIP/2.0/UDP x.x.x.124:5060;branch=z9hG4bK2840489
Route: <sip:x.x.x.126;lr;received=sip:y.y.y.y:43098%3Btransport%3Dtls>
From: sip:pinger@hostname-xxx;tag=uloc-7c-5982da6d-4c09-11-0-7d68
To: sip:user@y.y.y.y:43098;transport=TLS
Call-ID: 1e57ca12-c3d5f614-8b5c49(a)5.159.56.124
CSeq: 1 OPTIONS
Content-Length: 0
```
### Possible Solutions
<!--
If you found a solution or workaround for the issue, describe it. Ideally, provide a pull
request with a fix.
-->
### Additional Information
* **Kamailio Version** - output of `kamailio -v`
```
# kamailio -v
version: kamailio 5.1.0-dev5 (x86_64/freebsd)
flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, DISABLE_NAGLE, USE_MCAST,
DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC,
DBG_SR_MEMORY, 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, select, kqueue.
id: unknown
compiled on 23:35:16 Aug 3 2017 with clang 3.8
```
* **Operating System**:
<!--
Details about the operating system, the type: Linux (e.g.,: Debian 8.4, Ubuntu 16.04,
CentOS 7.1, ...), MacOS, xBSD, Solaris, ...;
Kernel details (output of `uname -a`)
-->
```
# uname -a
FreeBSD hostname-xxx 11.0-RELEASE-p9 FreeBSD 11.0-RELEASE-p9 #0: Tue Apr 11 08:48:40 UTC
2017 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64
```
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7 Aug
7 Aug
1:25 p.m.
New subject: [kamailio/kamailio] path: rr_callback wrong dst uri (#1205)
I pushed a fix for it, can you test again with latest master?
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8 Aug
8 Aug
9:40 p.m.
New subject: [kamailio/kamailio] path: rr_callback wrong dst uri (#1205)
Seems to work fine with
```
/* ----- path params ------------------------------------------------------- */
modparam("path", "use_received", 1)
```
and
```
/* ----- path params ------------------------------------------------------- */
modparam("path", "use_received", 1)
modparam("path", "enable_r2", 1)
modparam("path", "received_format", 0)
```
How does `modparam("path", "received_format", 0)` suppose to work? Is
manual parsing required?
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9:50 p.m.
New subject: [kamailio/kamailio] path: rr_callback wrong dst uri (#1205)
I don't get the question, you say it works with `modparam("path",
"received_format", 0)` in your second example above, then you ask how it works?
Or is something phrased wrong?
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10:09 p.m.
New subject: [kamailio/kamailio] path: rr_callback wrong dst uri (#1205)
Sorry that was a typo what I would like to ask how to use it the following way:
```
/* ----- path params ------------------------------------------------------- */
modparam("path", "use_received", 1)
modparam("path", "enable_r2", 1)
modparam("path", "received_format", 1)
```
```
2017/08/08 20:55:38.008534 x.x.x.124:5060 -> x.x.x.126:5060
OPTIONS sip:user@y.y.y.y:45561;transport=TLS SIP/2.0
Via: SIP/2.0/UDP x.x.x.124:5060;branch=z9hG4bK3722567
Route:
<sip:x.x.x.126;lr;received=y.y.y.y~45561~3;r2=on>,<sip:x.x.x.126:5061;transport=tls;lr;received=y.y.y.y~45561~3;r2=on>
From: sip:pinger@hostname-xxx;tag=uloc-7c-59888812-afc4-a-0-7e38
To: sip:user@y.y.y.y:45561;transport=TLS
Call-ID: 1e57ca12-c4a5f614-32f8a83(a)x.x.x.124
CSeq: 1 OPTIONS
Content-Length: 0
```
But this happens:
```
2(21696) DEBUG: rr [loose.c:85]: is_preloaded(): is_preloaded: Yes
2(21696) DEBUG: <core> [core/socket_info.c:564]: grep_sock_info(): checking if
host==us: 12==12 && x.x.x.126] == [x.x.x.126]
2(21696) DEBUG: <core> [core/socket_info.c:567]: grep_sock_info(): checking if port
5060 (advertise 0) matches port 5060
2(21696) DEBUG: rr [loose.c:788]: after_loose(): Topmost route URI:
'sip:x.x.x.126;lr;received=y.y.y.y~46217~3;r2=on' is me
2(21696) DEBUG: <core> [core/socket_info.c:564]: grep_sock_info(): checking if
host==us: 12==12 && [x.x.x.126] == [x.x.x.126]
2(21696) DEBUG: <core> [core/socket_info.c:567]: grep_sock_info(): checking if port
5061 (advertise 0) matches port 5061
2(21696) DEBUG: <core> [core/parser/msg_parser.c:89]: get_hdr_field(): found end of
header
2(21696) DEBUG: rr [loose.c:180]: find_next_route(): No next Route HF found
2(21696) DEBUG: rr [loose.c:859]: after_loose(): no next URI found
2(21696) DEBUG: rr [rr_cb.c:95]: run_rr_callbacks(): callback id 0 entered with
<lr;received=y.y.y.y~46217~3;r2=on>
2(21696) DEBUG: path [path.c:431]: path_rr_callback(): setting dst uri: sip:y.y.y.y:462
2(21696) DEBUG: pv [pv_core.c:951]: pv_get_useragent(): no User-Agent header
2(21696) ERROR: <script>: sip:y.y.y.y:462 2(21696) DEBUG: rr [loose.c:1068]:
check_route_param(): route params checking against [;lr;received=y.y.y.y~46217~3;r2=on]
(orig: [lr;received=y.y.y.y~46217~3;r2=on])
2(21696) DEBUG: rr [loose.c:1073]: check_route_param(): params are
<;lr;received=y.y.y.y~46217~3;r2=on>
2(21696) DEBUG: tm [t_lookup.c:1302]: t_newtran(): msg id=4 , global msg id=4 , T on
entrance=0x0
2(21696) DEBUG: tm [t_lookup.c:459]: t_lookup_request(): start searching: hash=21511,
isACK=0
2(21696) DEBUG: tm [t_lookup.c:417]: matching_3261(): RFC3261 transaction matching
failed
2(21696) DEBUG: tm [t_lookup.c:641]: t_lookup_request(): no transaction found
2(21696) DEBUG: <core> [core/md5utils.c:67]: MD5StringArray(): MD5 calculated:
e3f2c69cf650b364b8e177fe1e7a7c61
2(21696) DEBUG: <core> [core/parser/parse_uri.c:1273]: parse_uri(): bad port in uri
(error at char in state 3) parsed: <sip:y.y.y.y:462>(1024) /<sip:y.y.y.y:462>
(1024)
2(21696) ERROR: tm [./ut.h:245]: uri2dst2(): bad_uri: [sip:y.y.y.y:462]
2(21696) ERROR: tm [t_fwd.c:1735]: t_forward_nonack(): failure to add branches
2(21696) DEBUG: tm [t_funcs.c:330]: t_relay_to(): t_forward_nonack returned error -478
(-478)
2(21696) DEBUG: tm [t_funcs.c:348]: t_relay_to(): -478 error reply generation delayed
```
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10:37 p.m.
New subject: [kamailio/kamailio] path: rr_callback wrong dst uri (#1205)
There was a bug truncating the received URI, can you fetch latest master and try again?
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10:46 p.m.
New subject: [kamailio/kamailio] path: rr_callback wrong dst uri (#1205)
Works!
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10:46 p.m.
New subject: [kamailio/kamailio] path: rr_callback wrong dst uri (#1205)
Thanks for fixing it.
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9 Aug
9 Aug
9:57 a.m.
New subject: [kamailio/kamailio] path: rr_callback wrong dst uri (#1205)
Thanks for troubleshooting!
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9:57 a.m.
New subject: [kamailio/kamailio] path: rr_callback wrong dst uri (#1205)
Closed #1205.
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2664
days inactive
2669
days old
9 comments
2 participants
participants (2)
-
Daniel-Constantin Mierla -
Rick