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The isup user part is now accepting a received MSU after checking if it must handle it. Check the circuit before parsing the received MSU. 

git-svn-id: http://voip.null.ro/svn/yate@3514 acf43c95-373e-0410-b603-e72c3f656dc1
This commit is contained in:
marian 2010-08-26 06:57:51 +00:00
parent 707c15606a
commit e456d9bda7
1 changed files with 10 additions and 3 deletions
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13
libs/ysig/isup.cpp
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@ -3892,12 +3892,19 @@ bool SS7ISUP::receivedMSU(const SS7MSU& msu, const SS7Label& label, SS7Layer3* n
return false;
// we should have at least 2 bytes CIC and 1 byte message type
const unsigned char* s = msu.getData(label.length()+1,3);
if (!s)
return false;
if (!s) {
Debug(this,DebugNote,"Got short MSU");
return true;
}
unsigned int len = msu.length()-label.length()-1;
unsigned int cic = s[0] | (s[1] << 8);
SS7MsgISUP::Type type = (SS7MsgISUP::Type)s[2];
const char* name = SS7MsgISUP::lookup(type);
if (!(circuits() && circuits()->find(cic))) {
Debug(this,DebugMild,"Received ISUP type 0x%02x (%s) for unknown cic=%u",
type,name,cic);
return true;
}
if (name) {
bool ok = processMSU(type,cic,s+3,len-3,label,network,sls);
if (!ok && debugAt(DebugMild)) {
@ -3912,7 +3919,7 @@ bool SS7ISUP::receivedMSU(const SS7MSU& msu, const SS7Label& label, SS7Layer3* n
tmp.hexify((void*)s,len,' ');
Debug(this,DebugMild,"Received unknown ISUP type 0x%02x, cic=%u, length %u: %s",
type,cic,len,tmp.c_str());
return false;
return true;
}
bool SS7ISUP::processMSU(SS7MsgISUP::Type type, unsigned int cic,