Description

module: tm
kemi proto relay functions fails on TLS:

• ki_t_relay_to_proto
• ki_t_relay_to_proto_addr

Troubleshooting

Reproduction

Debugging Data

Log Messages

13(19) ERROR: {1 1 REGISTER 184193281845942-18001879945554@192.168.1.135} tm [tm.c:2934]: ki_t_relay_to_proto(): bad protocol specified <TLS>
13(19) ERROR: {1 1 REGISTER 184193281845942-18001879945554@192.168.1.135} sl [sl_funcs.c:414]: sl_reply_error(): stateless error reply used: I'm terribly sorry, server error occurred (1/SL)

SIP Traffic

(paste your sip traffic here)

Possible Solutions

It's missing an equal zero (== 0) on TLS test.
Code: tm.c

   if (strncasecmp(sproto->s, "UDP", 3) == 0) { 
        proto = PROTO_UDP;
    } else if (strncasecmp(sproto->s, "TCP", 3) == 0) { 
        proto = PROTO_TCP;
    } else if (strncasecmp(sproto->s, "TLS", 3)) {
        proto = PROTO_TLS;
    } else {
        LM_ERR("bad protocol specified <%s>\n", sproto->s);
        return E_UNSPEC;
    }

Fix:

   if (strncasecmp(sproto->s, "UDP", 3) == 0) { 
        proto = PROTO_UDP;
    } else if (strncasecmp(sproto->s, "TCP", 3) == 0) { 
        proto = PROTO_TCP;
    } else if (strncasecmp(sproto->s, "TLS", 3) == 0) {
        proto = PROTO_TLS;
    } else {
        LM_ERR("bad protocol specified <%s>\n", sproto->s);
        return E_UNSPEC;
    }

Additional Information

• Kamailio Version - output of kamailio -v

version: kamailio 5.5.0 (x86_64/linux) 
flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, 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_BLOCKLIST, HAVE_RESOLV_RES
ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: unknown 
compiled with gcc 4.9.2

• Operating System:

No LSB modules are available.
Distributor ID:	Debian
Description:	Debian GNU/Linux 8.11 (jessie)
Release:	8.11
Codename:	jessie

Linux routersip 4.18.0-348.el8.0.2.x86_64 #1 SMP Sun Nov 14 00:51:12 UTC 2021 x86_64 GNU/Linux

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