Description

due the behaviour of the variable "alias" the other that use dots inside are misinterpreted: seems ambiguity in the grammar with alias and listen respect other vars that have "dots" in values.

Both alias and listen can have an unquoted host list as value. An unquoted host is a list of
IDs separated by ‘.’. Since EOL is not taken into account, then alias=foo.bar followed by myvar.msg=2.3.4.5 is interpreted as: alias=foo.bar myvar.msg

bug of course in issue #1773 nobody check that right?

Troubleshooting

kamailio seems does not reconoce it the global variable in kamailio.cfg file if no double quoted the value itselft! but if are not global variables, alias variable can be unquoted!

prevousli done in isues:

• #1773 closed by a comment that does not make sense due i configured in right way
• after furter investigation seems due the alias variable that implies a "dot" inside the value

seems the "dots" are misinterperted due the presence of the aliases variable that already are present! and that generated a very very older problem!

Reproduction

download, configure and make build of kamailio
use the main config file
in that file put only one change, presicelly and adition:
kamailio.bindip=10.101.10.10

bur using doble coutes seems there no problem this are not documented and seems its and ancient bug

Log Messages

 0(1542) DEBUG: <core> [core/modparam.c:83]: set_mod_param_regex(): 'debugger' matches module 'debugger'
 0(1542) DEBUG: <core> [core/sr_module.c:811]: find_param_export(): found <log_level_name> in module debugger [/usr/lib/x86_64-linux-gnu/kamailio/modules/debugger.so]
 0(1542) DEBUG: <core> [core/modparam.c:99]: set_mod_param_regex(): found <log_level_name> in module debugger [/usr/lib/x86_64-linux-gnu/kamailio/modules/debugger.so]
 0(1542) CRITICAL: <core> [core/cfg.y:3450]: yyerror_at(): parse error in config file kamailio.cfg, line 9, column 6: syntax error
 0(1542) CRITICAL: <core> [core/cfg.y:3450]: yyerror_at(): parse error in config file kamailio.cfg, line 9, column 6: unknown config variable
 0(1542) CRITICAL: <core> [core/cfg.y:3447]: yyerror_at(): parse error in config file kamailio.cfg, line 9, column 7-8: 
ERROR: bad config file (3 errors)
 0(1542) WARNING: <core> [core/ppcfg.c:221]: pp_ifdef_level_check(): different number of preprocessor directives: N(#!IF[N]DEF) - N(#!ENDIF) = 1

Additional Information

• Kamailio Version - output of kamailio -v

version: kamailio 5.1.6 (x86_64/linux) 
flags: STATS: Off, 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_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:

Linux ip-10-101-2-78 3.16.0-4-amd64 #1 SMP Debian 3.16.39-1 (2016-12-30) x86_64 GNU/Linux

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