15 May
2019
15 May
'19
3:50 a.m.
### Description
dialplan ``dp_match()`` fails with a substitution error when subst_exp doesn't match
the string. I was expecting to only match the rule to get the attrs no matter what is
defined in ``subst_exp/repl_exp``
### Troubleshooting
#### Reproduction
```
=> select * from dialplan where id = 24;
─[ RECORD 1 ]──────────────────────────────────────
id │ 24
dpid │ 101000
pr │ 1
match_op │ 1
match_exp │ ^00([1-9][0-35-9]|[1-35-9][0-9])[0-9]+$
match_len │ 0
subst_exp │ ^([1-9][0-9]{8})$
repl_exp │ +34\1
attrs │ cli=+34654205682;action=0
```
```
route[SET_DST] {
if($var(dpid_team)==0){
xdbg("SET_DST no $$var(dpid_team) - ci='$ci'");
return;
}
xinfo("SET_DST trying to get dialplan from dpid:$var(dpid_team) -
ci'$ci'");
if(dp_translate("$(var(dpid_team){s.int})", "$rU/$var(dst)")){
if($rU != $var(dst)){
xinfo("SET_DST change from $$rU:'$rU' to '$var(dst)' -
ci='$ci'");
$rU = $var(dst);
}
} else {
xinfo("SET_DST no valid subst_exp for '$rU' trying to match -
ci='$ci'");
dp_match("$(var(dpid_team){s.int})", "$rU");
}
if($var(dp_attrs)!=0) {
xdbg("SET_DST $$var(dp_attrs):$var(dp_attrs) "
"action:$(var(dp_attrs){param.value,action}) - ci='$ci'");
$var(action) = $(var(dp_attrs){param.value,action});
if($var(action)=='1'){
xalert("Dialing rule group for '$rU' set to 'deny' -
ci='$ci'");
route(ERROR_DEST_DENY);
}
}
return;
}
```
```
INFO: <script>: SET_DST trying to get dialplan from dpid:101000 -
ci'57f955434e6ca1e57727367e4abcff1f(a)PBX-2797.xpbx.foehn.co.uk'
ERROR: dialplan [dp_repl.c:439]: rule_translate(): the string 0034654205681 matched the
match_exp ^00([1-9][0-35-9]|[1-35-9][0-9])[0-9]+$ but not the subst_exp
^([1-9][0-9]{8})$!
ERROR: dialplan [dp_repl.c:727]: dp_translate_helper(): could not build the output
INFO: <script>: SET_DST no valid subst_exp for '0034654205681' trying to
match - ci='57f955434e6ca1e57727367e4abcff1f(a)PBX-2797.xpbx.foehn.co.uk'
ERROR: dialplan [dp_repl.c:439]: rule_translate(): the string 0034654205681 matched the
match_exp ^00([1-9][0-35-9]|[1-35-9][0-9])[0-9]+$ but not the subst_exp
^([1-9][0-9]{8})$!
ERROR: dialplan [dp_repl.c:727]: dp_translate_helper(): could not build the output
```
### Additional Information
* **Kamailio Version** - output of `kamailio -v`
```
version: kamailio 5.2.2 (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 4.8.4
```
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