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Fix IPv6 address scope bug

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Signed-off-by: Ciupis, Jedrzej <jedrzej.ciupis@nordicsemi.no>
This commit is contained in:
Ciupis, Jedrzej
2017-08-10 14:32:00 +02:00
parent 7099531e0e
commit 9c20f2f18d
1 changed files with 24 additions and 5 deletions
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29
MQTTSNGateway/src/linux/udp6/SensorNetwork.cpp
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@@ -328,12 +328,15 @@ int UDPPort6::unicast(const uint8_t* buf, uint32_t length, SensorNetAddress* add
hints.ai_family = AF_INET6; // use IPv6
hints.ai_socktype = SOCK_DGRAM;
int port = 0;
string portStr;
if(addr->getPortNo() != 0)
{
portStr = to_string(addr->getPortNo());
port = htons(addr->getPortNo());
portStr = to_string(port);
} else {
portStr = to_string(_uniPortNo);
port = _uniPortNo;
portStr = to_string(port);
}
if(strlen(_interfaceName) != 0)
@@ -341,8 +344,16 @@ int UDPPort6::unicast(const uint8_t* buf, uint32_t length, SensorNetAddress* add
strcpy(destStr, addr->getAddress());
strcat(destStr,"%");
strcat(destStr,_interfaceName);
getaddrinfo(destStr, portStr.c_str(), &hints, &res);
if(IN6_IS_ADDR_LINKLOCAL(addr->getAddress()))
{
getaddrinfo(destStr, portStr.c_str(), &hints, &res);
}
else
{
getaddrinfo(addr->getAddress(), portStr.c_str(), &hints, &res);
}
} else {
strcpy(destStr, addr->getAddress());
getaddrinfo(addr->getAddress(), portStr.c_str(), &hints, &res);
}
@@ -353,7 +364,7 @@ int UDPPort6::unicast(const uint8_t* buf, uint32_t length, SensorNetAddress* add
WRITELOG("errno in UDPPort::unicast(sendto): %d, %s\n",status,strerror(status));
}
WRITELOG("unicast sendto %s, port: %d length = %d\n", destStr,portStr.c_str(),status);
WRITELOG("unicast sendto %s, port: %d length = %d\n", destStr,port,status);
return status;
}
@@ -376,7 +387,15 @@ int UDPPort6::broadcast(const uint8_t* buf, uint32_t length)
strcpy(destStr, _grpAddr.getAddress());
strcat(destStr,"%");
strcat(destStr,_interfaceName);
err = getaddrinfo(destStr, std::to_string(_uniPortNo).c_str(), &hint, &info );
if(IN6_IS_ADDR_MC_NODELOCAL(_grpAddr.getAddress()) ||
IN6_IS_ADDR_MC_LINKLOCAL(_grpAddr.getAddress()))
{
err = getaddrinfo(destStr, std::to_string(_uniPortNo).c_str(), &hint, &info );
}
else
{
err = getaddrinfo(_grpAddr.getAddress(), std::to_string(_uniPortNo).c_str(), &hint, &info );
}
} else {
err = getaddrinfo(_grpAddr.getAddress(), std::to_string(_uniPortNo).c_str(), &hint, &info );
}