[SR-Users] Strange avp_check behavior

[Klaus Darilion]

Hi!

Kamailio 4.1.4. When using avp_check with fnmatch and AVP the result is
always TRUE if it is true for 1 time. It only happens with $avp(), but
not with $var().

Is this a bug or some special behavior of AVPs?


xlog("L_ERR", "======= with $$avp(...)================");

$avp(rpid) = "+499539110";

$avp(pattern) = "+499539[2-5]"; # NO MATCH
if (avp_check("$avp(rpid)", "fm/$avp(pattern)/g")) {
   xlog("L_ERR", "$avp(rpid) matches $avp(pattern): YES");
} else {
   xlog("L_ERR", "$avp(rpid) matches $avp(pattern): NO");
}

$avp(pattern) = "+499539*"; # MATCH
if (avp_check("$avp(rpid)", "fm/$avp(pattern)/g")) {
   xlog("L_ERR", "$avp(rpid) matches $avp(pattern): YES");
} else {
   xlog("L_ERR", "$avp(rpid) matches $avp(pattern): NO");
}

$avp(pattern) = "+499539[2-5]"; # NO MATCH
if (avp_check("$avp(rpid)", "fm/$avp(pattern)/g")) {
   xlog("L_ERR", "$avp(rpid) matches $avp(pattern): YES");
} else {
   xlog("L_ERR", "$avp(rpid) matches $avp(pattern): NO");
}


xlog("L_ERR", "======= with $$var(...)================");

$var(rpid) = "+499539110";

$var(pattern) = "+499539[2-5]"; # NO MATCH
if (avp_check("$var(rpid)", "fm/$var(pattern)/g")) {
   xlog("L_ERR", "$var(rpid) matches $var(pattern): YES");
} else {
   xlog("L_ERR", "$var(rpid) matches $var(pattern): NO");
}

$var(pattern) = "+499539*"; # MATCH
if (avp_check("$var(rpid)", "fm/$var(pattern)/g")) {
   xlog("L_ERR", "$var(rpid) matches $var(pattern): YES");
} else {
   xlog("L_ERR", "$var(rpid) matches $var(pattern): NO");
}

$var(pattern) = "+499539[2-5]"; # NO MATCH
if (avp_check("$var(rpid)", "fm/$var(pattern)/g")) {
   xlog("L_ERR", "$var(rpid) matches $var(pattern): YES");
} else {
   xlog("L_ERR", "$var(rpid) matches $var(pattern): NO");
}



--> The result is:


<script>: ======= with $avp(...)================
<script>: +499539110 matches +499539[2-5]: NO
<script>: +499539110 matches +499539*: YES
<script>: +499539110 matches +499539[2-5]: YES
<script>: ======= with $var(...)================
<script>: +499539110 matches +499539[2-5]: NO
<script>: +499539110 matches +499539*: YES
<script>: +499539110 matches +499539[2-5]: NO



Thanks
Klaus