int nr_praddr_to_transport_addr(const PRNetAddr *praddr,
nr_transport_addr *addr, int protocol,
int keep)
{
int _status;
int r;
struct sockaddr_in ip4;
switch(praddr->raw.family) {
case PR_AF_INET:
ip4.sin_family = PF_INET;
ip4.sin_addr.s_addr = praddr->inet.ip;
ip4.sin_port = praddr->inet.port;
if ((r = nr_sockaddr_to_transport_addr((sockaddr *)&ip4,
sizeof(ip4),
protocol, keep,
addr)))
ABORT(r);
break;
case PR_AF_INET6:
#if 0
r = nr_sockaddr_to_transport_addr((sockaddr *)&praddr->raw,
sizeof(struct sockaddr_in6),IPPROTO_UDP,keep,addr);
break;
#endif
ABORT(R_BAD_ARGS);
default:
MOZ_ASSERT(false);
ABORT(R_BAD_ARGS);
}
_status=0;
abort:
return(_status);
}
static int
stun_get_win32_addrs(nr_local_addr addrs[], int maxaddrs, int *count)
{
int r,_status;
PIP_ADAPTER_ADDRESSES AdapterAddresses = NULL, tmpAddress = NULL;
ULONG buflen;
char munged_ifname[IFNAMSIZ];
int n = 0;
*count = 0;
if (maxaddrs <= 0)
ABORT(R_INTERNAL);
/* Call GetAdaptersAddresses() twice. First, just to get the buf length */
buflen = 0;
r = GetAdaptersAddresses(AF_UNSPEC, 0, NULL, AdapterAddresses, &buflen);
if (r != ERROR_BUFFER_OVERFLOW) {
r_log(NR_LOG_STUN, LOG_ERR, "Error getting buf len from GetAdaptersAddresses()");
ABORT(R_INTERNAL);
}
AdapterAddresses = (PIP_ADAPTER_ADDRESSES) RMALLOC(buflen);
if (AdapterAddresses == NULL) {
r_log(NR_LOG_STUN, LOG_ERR, "Error allocating buf for GetAdaptersAddresses()");
ABORT(R_NO_MEMORY);
}
/* for real, this time */
r = GetAdaptersAddresses(AF_UNSPEC, 0, NULL, AdapterAddresses, &buflen);
if (r != NO_ERROR) {
r_log(NR_LOG_STUN, LOG_ERR, "Error getting addresses from GetAdaptersAddresses()");
ABORT(R_INTERNAL);
}
/* Loop through the adapters */
for (tmpAddress = AdapterAddresses; tmpAddress != NULL; tmpAddress = tmpAddress->Next) {
char *c;
if (tmpAddress->OperStatus != IfOperStatusUp)
continue;
snprintf(munged_ifname, IFNAMSIZ, "%S%c", tmpAddress->FriendlyName, 0);
/* replace spaces with underscores */
c = strchr(munged_ifname, ' ');
while (c != NULL) {
*c = '_';
c = strchr(munged_ifname, ' ');
}
c = strchr(munged_ifname, '.');
while (c != NULL) {
*c = '+';
c = strchr(munged_ifname, '.');
}
if ((tmpAddress->IfIndex != 0) || (tmpAddress->Ipv6IfIndex != 0)) {
IP_ADAPTER_UNICAST_ADDRESS *u = 0;
for (u = tmpAddress->FirstUnicastAddress; u != 0; u = u->Next) {
SOCKET_ADDRESS *sa_addr = &u->Address;
if ((sa_addr->lpSockaddr->sa_family == AF_INET) ||
(sa_addr->lpSockaddr->sa_family == AF_INET6)) {
if ((r=nr_sockaddr_to_transport_addr((struct sockaddr*)sa_addr->lpSockaddr, IPPROTO_UDP, 0, &(addrs[n].addr))))
ABORT(r);
}
else {
r_log(NR_LOG_STUN, LOG_DEBUG, "Unrecognized sa_family for adapteraddress %s",munged_ifname);
continue;
}
strlcpy(addrs[n].addr.ifname, munged_ifname, sizeof(addrs[n].addr.ifname));
/* TODO: (Bug 895793) Getting interface properties for Windows */
addrs[n].interface.type = NR_INTERFACE_TYPE_UNKNOWN;
addrs[n].interface.estimated_speed = 0;
if (++n >= maxaddrs)
goto done;
}
}
}
done:
*count = n;
_status = 0;
abort:
RFREE(AdapterAddresses);
return _status;
}
static int
stun_getifaddrs(nr_local_addr addrs[], int maxaddrs, int *count)
{
int r,_status;
struct ifaddrs* if_addrs_head=NULL;
struct ifaddrs* if_addr;
*count=0;
if (getifaddrs(&if_addrs_head) == -1) {
r_log(NR_LOG_STUN, LOG_ERR, "getifaddrs error e = %d", errno);
ABORT(R_INTERNAL);
}
if_addr = if_addrs_head;
while (if_addr && *count < maxaddrs) {
/* This can be null */
if (if_addr->ifa_addr) {
switch (if_addr->ifa_addr->sa_family) {
case AF_INET:
case AF_INET6:
if (r=nr_sockaddr_to_transport_addr(if_addr->ifa_addr, IPPROTO_UDP, 0, &(addrs[*count].addr))) {
r_log(NR_LOG_STUN, LOG_ERR, "nr_sockaddr_to_transport_addr error r = %d", r);
} else {
#if defined(LINUX) && !defined(ANDROID)
struct ethtool_cmd ecmd;
struct ifreq ifr;
struct iwreq wrq;
int e;
int s = socket(AF_INET, SOCK_DGRAM, 0);
strncpy(ifr.ifr_name, if_addr->ifa_name, sizeof(ifr.ifr_name));
/* TODO (Bug 896851): interface property for Android */
/* Getting ethtool for ethernet information. */
ecmd.cmd = ETHTOOL_GSET;
/* In/out param */
ifr.ifr_data = (void*)&ecmd;
e = ioctl(s, SIOCETHTOOL, &ifr);
if (e == 0)
{
/* For wireless network, we won't get ethtool, it's a wired
* connection */
addrs[*count].interface.type = NR_INTERFACE_TYPE_WIRED;
#ifdef DONT_HAVE_ETHTOOL_SPEED_HI
addrs[*count].interface.estimated_speed = ecmd.speed;
#else
addrs[*count].interface.estimated_speed = ((ecmd.speed_hi << 16) | ecmd.speed) * 1000;
#endif
}
strncpy(wrq.ifr_name, if_addr->ifa_name, sizeof(wrq.ifr_name));
e = ioctl(s, SIOCGIWRATE, &wrq);
if (e == 0)
{
addrs[*count].interface.type = NR_INTERFACE_TYPE_WIFI;
addrs[*count].interface.estimated_speed = wrq.u.bitrate.value / 1000;
}
close(s);
if (if_addr->ifa_flags & IFF_POINTOPOINT)
{
addrs[*count].interface.type = NR_INTERFACE_TYPE_UNKNOWN | NR_INTERFACE_TYPE_VPN;
/* TODO (Bug 896913): find backend network type of this VPN */
}
#else
addrs[*count].interface.type = NR_INTERFACE_TYPE_UNKNOWN;
addrs[*count].interface.estimated_speed = 0;
#endif
strlcpy(addrs[*count].addr.ifname, if_addr->ifa_name, sizeof(addrs[*count].addr.ifname));
++(*count);
}
break;
default:
;
}
}
if_addr = if_addr->ifa_next;
}
_status=0;
abort:
if (if_addrs_head) {
freeifaddrs(if_addrs_head);
}
return(_status);
}
static int
stun_get_win32_addrs(nr_local_addr addrs[], int maxaddrs, int *count)
{
int r, _status;
PIP_ADAPTER_ADDRESSES AdapterAddresses = NULL, tmpAddress = NULL;
// recomended per https://msdn.microsoft.com/en-us/library/windows/desktop/aa365915(v=vs.85).aspx
static const ULONG initialBufLen = 15000;
ULONG buflen = initialBufLen;
char bin_hashed_ifname[NR_MD5_HASH_LENGTH];
char hex_hashed_ifname[MAXIFNAME];
int n = 0;
*count = 0;
if (maxaddrs <= 0)
ABORT(R_BAD_ARGS);
/* According to MSDN (see above) we have try GetAdapterAddresses() multiple times */
for (n = 0; n < 5; n++) {
AdapterAddresses = (PIP_ADAPTER_ADDRESSES) RMALLOC(buflen);
if (AdapterAddresses == NULL) {
r_log(NR_LOG_STUN, LOG_ERR, "Error allocating buf for GetAdaptersAddresses()");
ABORT(R_NO_MEMORY);
}
r = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_SKIP_MULTICAST | GAA_FLAG_SKIP_DNS_SERVER, NULL, AdapterAddresses, &buflen);
if (r == NO_ERROR) {
break;
}
r_log(NR_LOG_STUN, LOG_ERR, "GetAdaptersAddresses() returned error (%d)", r);
RFREE(AdapterAddresses);
}
if (n >= 5) {
r_log(NR_LOG_STUN, LOG_ERR, "5 failures calling GetAdaptersAddresses()");
ABORT(R_INTERNAL);
}
n = 0;
/* Loop through the adapters */
for (tmpAddress = AdapterAddresses; tmpAddress != NULL; tmpAddress = tmpAddress->Next) {
if (tmpAddress->OperStatus != IfOperStatusUp)
continue;
if ((tmpAddress->IfIndex != 0) || (tmpAddress->Ipv6IfIndex != 0)) {
IP_ADAPTER_UNICAST_ADDRESS *u = 0;
if(r=nr_crypto_md5((UCHAR *)tmpAddress->FriendlyName,
wcslen(tmpAddress->FriendlyName) * sizeof(wchar_t),
bin_hashed_ifname))
ABORT(r);
if(r=nr_bin2hex(bin_hashed_ifname, sizeof(bin_hashed_ifname),
hex_hashed_ifname))
ABORT(r);
for (u = tmpAddress->FirstUnicastAddress; u != 0; u = u->Next) {
SOCKET_ADDRESS *sa_addr = &u->Address;
if ((sa_addr->lpSockaddr->sa_family == AF_INET) ||
(sa_addr->lpSockaddr->sa_family == AF_INET6)) {
if ((r=nr_sockaddr_to_transport_addr((struct sockaddr*)sa_addr->lpSockaddr, IPPROTO_UDP, 0, &(addrs[n].addr))))
ABORT(r);
}
else {
r_log(NR_LOG_STUN, LOG_DEBUG, "Unrecognized sa_family for address on adapter %lu", tmpAddress->IfIndex);
continue;
}
strlcpy(addrs[n].addr.ifname, hex_hashed_ifname, sizeof(addrs[n].addr.ifname));
if (tmpAddress->IfType == IF_TYPE_ETHERNET_CSMACD) {
addrs[n].interface.type = NR_INTERFACE_TYPE_WIRED;
} else if (tmpAddress->IfType == IF_TYPE_IEEE80211) {
/* Note: this only works for >= Win Vista */
addrs[n].interface.type = NR_INTERFACE_TYPE_WIFI;
} else {
addrs[n].interface.type = NR_INTERFACE_TYPE_UNKNOWN;
}
#if (_WIN32_WINNT >= 0x0600)
/* Note: only >= Vista provide link speed information */
addrs[n].interface.estimated_speed = tmpAddress->TransmitLinkSpeed / 1000;
#else
addrs[n].interface.estimated_speed = 0;
#endif
if (++n >= maxaddrs)
goto done;
}
}
}
done:
*count = n;
_status = 0;
abort:
RFREE(AdapterAddresses);
return _status;
}
