int Socket::Connect(const std::string& addr, const std::string& port)
{
int rc;
char str[INET6_ADDRSTRLEN];
bool success = false;
struct addrinfo *AddrInfo, *AI;
AddrInfo = toAddrinfo( addr, port, false );
for ( AI = AddrInfo; AI != NULL; AI = AI->ai_next )
{
struct sockaddr_in6 connectAddr;
toIpv6( AI, &connectAddr );
if ( ( IN6_IS_ADDR_LINKLOCAL((struct in6_addr *) &connectAddr.sin6_addr) ) &&
( connectAddr.sin6_scope_id == 0) )
{
log(LOG_WARN) << "IPv6 link local addresses should specify a scope ID!";
}
inet_ntop( AF_INET6, &connectAddr.sin6_addr, str, sizeof(str));
log(LOG_NOTICE) << "attempting connect to \"" << addr << "\" -> ip " << str << " port " << ntohs(connectAddr.sin6_port);
rc = connect( socket_->fd, (struct sockaddr*) &connectAddr, sizeof(connectAddr) );
if (rc < 0 && errno != EINPROGRESS)
{
log(LOG_EMERG) << "connect attempt failed with error " << strerror(errno);
}
else
{
success = true;
break;
}
}
if ( AddrInfo )
freeaddrinfo( AddrInfo );
return success ? WaitForConnect() : -1;
}
int Socket::BindToAddr(const std::string& addr, const std::string& port)
{
char str[INET6_ADDRSTRLEN];
bool success = false;
struct addrinfo *AddrInfo, *AI;
AddrInfo = toAddrinfo( addr, port, true );
for ( AI = AddrInfo; AI != NULL; AI = AI->ai_next )
{
struct sockaddr_in6 bindAddr;
toIpv6( AI, &bindAddr );
if ( ( IN6_IS_ADDR_LINKLOCAL((struct in6_addr *) &bindAddr.sin6_addr) ) &&
( bindAddr.sin6_scope_id == 0) )
{
log(LOG_WARN) << "IPv6 link local addresses should specify a scope ID!";
}
inet_ntop( AF_INET6, &bindAddr.sin6_addr, str, sizeof(str));
log(LOG_NOTICE) << "attempting bind to \"" << addr << "\" -> ip " << str << " port " << ntohs(bindAddr.sin6_port);
if ( bind( socket_->fd, (struct sockaddr*) &bindAddr, sizeof(bindAddr) ) < 0 )
{
log(LOG_EMERG) << "bind attempt failed with error " << strerror(errno);
}
else
{
success = true;
break;
}
}
if ( AddrInfo )
freeaddrinfo( AddrInfo );
return success ? 0 : -1;
}
char *ICMPv6::restHeader(){
char *pcat = new char[450];
char p1[75],p2[75],p3[75],p4[75],p5[75],p6[75];
switch(tipo){
case DESTINATION_UNREACHABLE6:
sprintf(p1,"MTU: %d",sizeof(payload));
sprintf(pcat,"%s\n",p1);
return pcat;
case ECHO_REQUEST6:
case ECHO_REPLY6:
unsigned int identifier,sequenceNumber;
memcpy(&identifier,&(payload[0]),4);
memcpy(&sequenceNumber,&(payload[4]),4);
sprintf(p1,"Identifier: %d",identifier);
sprintf(p2,"Sequence Number: %d",sequenceNumber);
sprintf(p3,"Carga: %d",sizeof(payload) - 8);
sprintf(pcat,"%s%s%s\n",p1,p2,p3);
return pcat;
case ROUTER_SOLICITATION:
unsigned char curHopLimit,MOReserved;
unsigned int routerLifetime[2];
unsigned char reachableTime[4];
unsigned char retransTimer[4];
sprintf(p1,"Cur Hop Limit: %d\n",(int) curHopLimit);
if(MOReserved & 128){
sprintf(p1,"M (bit) activado\n");
}else{
sprintf(p1,"M (bit) desactivado\n");
}
if(MOReserved & 64){
sprintf(p2,"O (bit) activado\n");
}else{
sprintf(p2,"O (bit) desactivado\n");
}
sprintf(p3,"Router life time: %d\n",routerLifetime);
sprintf(p4,"Reachable time: %d\n",reachableTime);
sprintf(p5,"Retransfer timer: %d\n",retransTimer);
sprintf(pcat,"%s%s%s%s%s\n",p1,p2,p3,p4,p5);
return pcat;
case ROUTER_ADVERTISEMENT:
case NEIGHBOR_SOLICITATION:
unsigned char targetSolicitacion[16];
memcpy(targetSolicitacion,&(payload[8]),16);
toIpv6(targetSolicitacion);
payload = &(payload[24]);
sprintf(p1,"Carga util: %d\n",strlen(payload));
sprintf(pcat,"%s",p1);
return pcat;
case NEIGHBOR_ADVERTISEMENT:
//unsigned char targetSolicitacion[16];
unsigned char rso;
rso = (unsigned char) payload[0];
//unsigned char rso = (unsigned char) payload[0];
if(rso & 128){
sprintf(p1,"Bit R: activadp\n");
}else{
sprintf(p1,"Bit R: desactivado\n");
}
if(rso & 64){
sprintf(p2,"Bit S: activadp\n");
}else{
sprintf(p2,"Bit S: desactivado\n");
}
if(rso & 32){
sprintf(p3,"Bit O: activadp\n");
}else{
sprintf(p3,"Bit O: desactivado\n");
}
memcpy(targetSolicitacion,&(payload[8]),16);
payload = &(payload[24]);
sprintf(p5,"Target solicitation: ");
toIpv6(targetSolicitacion);
sprintf(p6,"Carga util: %d\n",sizeof(payload));
sprintf(pcat,"%s%s%s%s%s%s\n",p1,p2,p3,p4,p5,p6);
return pcat;
case REDIRECT6:
unsigned char targetAddress[16];
unsigned char destinationAdress[16];
memcpy(targetAddress,&(payload[8]),16);
memcpy(destinationAdress,&(payload[24]),16);
toIpv6(targetSolicitacion);
toIpv6(destinationAdress);
payload = &(payload[40]);
return pcat;
default:
sprintf(p1,"No tiene rest header\n");
sprintf(pcat,"%s",p1);
return pcat;
}
}