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-rw-r--r--dom/media/webrtc/transport/third_party/nICEr/src/stun/addrs-win32.c210
1 files changed, 210 insertions, 0 deletions
diff --git a/dom/media/webrtc/transport/third_party/nICEr/src/stun/addrs-win32.c b/dom/media/webrtc/transport/third_party/nICEr/src/stun/addrs-win32.c
new file mode 100644
index 0000000000..4fdf5e5d44
--- /dev/null
+++ b/dom/media/webrtc/transport/third_party/nICEr/src/stun/addrs-win32.c
@@ -0,0 +1,210 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifdef WIN32
+
+#include "addrs-win32.h"
+#include <csi_platform.h>
+#include <assert.h>
+#include <string.h>
+#include "util.h"
+#include "stun_util.h"
+#include "util.h"
+#include <r_macros.h>
+#include "nr_crypto.h"
+
+#include <winsock2.h>
+#include <iphlpapi.h>
+#include <tchar.h>
+
+#define WIN32_MAX_NUM_INTERFACES 20
+
+#define NR_MD5_HASH_LENGTH 16
+
+#define _NR_MAX_KEY_LENGTH 256
+#define _NR_MAX_NAME_LENGTH 512
+
+#define _ADAPTERS_BASE_REG "SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}"
+
+static int nr_win32_get_adapter_friendly_name(char *adapter_GUID, char **friendly_name)
+{
+ int r,_status;
+ HKEY adapter_reg;
+ TCHAR adapter_key[_NR_MAX_KEY_LENGTH];
+ TCHAR keyval_buf[_NR_MAX_KEY_LENGTH];
+ TCHAR adapter_GUID_tchar[_NR_MAX_NAME_LENGTH];
+ DWORD keyval_len, key_type;
+ size_t converted_chars, newlen;
+ char *my_fn = 0;
+
+#ifdef _UNICODE
+ mbstowcs_s(&converted_chars, adapter_GUID_tchar, strlen(adapter_GUID)+1,
+ adapter_GUID, _TRUNCATE);
+#else
+ strlcpy(adapter_GUID_tchar, adapter_GUID, _NR_MAX_NAME_LENGTH);
+#endif
+
+ _tcscpy_s(adapter_key, _NR_MAX_KEY_LENGTH, TEXT(_ADAPTERS_BASE_REG));
+ _tcscat_s(adapter_key, _NR_MAX_KEY_LENGTH, TEXT("\\"));
+ _tcscat_s(adapter_key, _NR_MAX_KEY_LENGTH, adapter_GUID_tchar);
+ _tcscat_s(adapter_key, _NR_MAX_KEY_LENGTH, TEXT("\\Connection"));
+
+ r = RegOpenKeyEx(HKEY_LOCAL_MACHINE, adapter_key, 0, KEY_READ, &adapter_reg);
+
+ if (r != ERROR_SUCCESS) {
+ r_log(NR_LOG_STUN, LOG_ERR, "Got error %d opening adapter reg key\n", r);
+ ABORT(R_INTERNAL);
+ }
+
+ keyval_len = sizeof(keyval_buf);
+ r = RegQueryValueEx(adapter_reg, TEXT("Name"), NULL, &key_type,
+ (BYTE *)keyval_buf, &keyval_len);
+
+ RegCloseKey(adapter_reg);
+
+#ifdef UNICODE
+ newlen = wcslen(keyval_buf)+1;
+ my_fn = (char *) RCALLOC(newlen);
+ if (!my_fn) {
+ ABORT(R_NO_MEMORY);
+ }
+ wcstombs_s(&converted_chars, my_fn, newlen, keyval_buf, _TRUNCATE);
+#else
+ my_fn = r_strdup(keyval_buf);
+#endif
+
+ *friendly_name = my_fn;
+ _status=0;
+
+abort:
+ if (_status) {
+ if (my_fn) free(my_fn);
+ }
+ return(_status);
+}
+
+static int stun_win32_address_disallowed(IP_ADAPTER_UNICAST_ADDRESS *addr)
+{
+ return (addr->DadState != NldsPreferred) &&
+ (addr->DadState != IpDadStatePreferred);
+}
+
+static int stun_win32_address_temp_v6(IP_ADAPTER_UNICAST_ADDRESS *addr)
+{
+ return (addr->Address.lpSockaddr->sa_family == AF_INET6) &&
+ (addr->SuffixOrigin == IpSuffixOriginRandom);
+}
+
+int
+stun_getaddrs_filtered(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);
+ AdapterAddresses = NULL;
+ }
+
+ 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)) {
+ r_log(NR_LOG_STUN, LOG_DEBUG, "Unrecognized sa_family for address on adapter %lu", tmpAddress->IfIndex);
+ continue;
+ }
+
+ if (stun_win32_address_disallowed(u)) {
+ continue;
+ }
+
+ if ((r=nr_sockaddr_to_transport_addr((struct sockaddr*)sa_addr->lpSockaddr, IPPROTO_UDP, 0, &(addrs[n].addr)))) {
+ ABORT(r);
+ }
+
+ 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 (stun_win32_address_temp_v6(u)) {
+ addrs[n].flags |= NR_ADDR_FLAG_TEMPORARY;
+ }
+
+ if (++n >= maxaddrs)
+ goto done;
+ }
+ }
+ }
+
+ done:
+ *count = n;
+ _status = 0;
+
+ abort:
+ RFREE(AdapterAddresses);
+ return _status;
+}
+
+#endif //WIN32
+
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