namespace {
+using extensions::api::DeviceId;
+
// Compute HMAC-SHA256(|key|, |text|) as a string.
bool ComputeHmacSha256(const std::string& key,
const std::string& text,
bool result = hmac.Init(key) &&
hmac.Sign(text, &digest[0], digest.size());
if (result) {
- *signature_return = StringToLowerASCII(base::HexEncode(digest.data(),
- digest.size()));
+ *signature_return = base::StringToLowerASCII(
+ base::HexEncode(digest.data(), digest.size()));
}
return result;
}
-void GetMachineIdCallback(const std::string& extension_id,
- const extensions::api::DeviceId::IdCallback& callback,
- const std::string& machine_id) {
- DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+void GetRawDeviceIdCallback(const std::string& extension_id,
+ const DeviceId::IdCallback& callback,
+ const std::string& raw_device_id) {
+ DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
- if (machine_id.empty()) {
+ if (raw_device_id.empty()) {
callback.Run("");
+ return;
}
std::string device_id;
- if (!ComputeHmacSha256(machine_id, extension_id, &device_id)) {
+ if (!ComputeHmacSha256(raw_device_id, extension_id, &device_id)) {
DLOG(ERROR) << "Error while computing HMAC-SHA256 of device id.";
callback.Run("");
+ return;
}
callback.Run(device_id);
}
+bool IsValidMacAddressImpl(const void* bytes, size_t size) {
+ const size_t MAC_LENGTH = 6;
+ const size_t OUI_LENGTH = 3;
+ struct InvalidMacEntry {
+ size_t size;
+ unsigned char address[MAC_LENGTH];
+ };
+
+ // VPN, virtualization, tethering, bluetooth, etc.
+ static InvalidMacEntry invalidAddresses[] = {
+ // Empty address
+ {MAC_LENGTH, {0, 0, 0, 0, 0, 0}},
+ // VMware
+ {OUI_LENGTH, {0x00, 0x50, 0x56}},
+ {OUI_LENGTH, {0x00, 0x05, 0x69}},
+ {OUI_LENGTH, {0x00, 0x0c, 0x29}},
+ {OUI_LENGTH, {0x00, 0x1c, 0x14}},
+ // VirtualBox
+ {OUI_LENGTH, {0x08, 0x00, 0x27}},
+ // PdaNet
+ {MAC_LENGTH, {0x00, 0x26, 0x37, 0xbd, 0x39, 0x42}},
+ // Cisco AnyConnect VPN
+ {MAC_LENGTH, {0x00, 0x05, 0x9a, 0x3c, 0x7a, 0x00}},
+ // Marvell sometimes uses this as a dummy address
+ {MAC_LENGTH, {0x00, 0x11, 0x22, 0x33, 0x44, 0x55}},
+ // Apple uses this across machines for Bluetooth ethernet adapters.
+ {MAC_LENGTH-1, {0x65, 0x90, 0x07, 0x42, 0xf1}},
+ // Juniper uses this for their Virtual Adapter, the other 4 bytes are
+ // reassigned at every boot. 00-ff-xx is not assigned to anyone.
+ {2, {0x00, 0xff}},
+ // T-Mobile Wireless Ethernet
+ {MAC_LENGTH, {0x00, 0xa0, 0xc6, 0x00, 0x00, 0x00}},
+ // Generic Bluetooth device
+ {MAC_LENGTH, {0x00, 0x15, 0x83, 0x3d, 0x0a, 0x57}},
+ // RAS Async Adapter
+ {MAC_LENGTH, {0x20, 0x41, 0x53, 0x59, 0x4e, 0xff}},
+ // Qualcomm USB ethernet adapter
+ {MAC_LENGTH, {0x00, 0xa0, 0xc6, 0x00, 0x00, 0x00}},
+ // Windows VPN
+ {MAC_LENGTH, {0x00, 0x53, 0x45, 0x00, 0x00, 0x00}},
+ // Bluetooth
+ {MAC_LENGTH, {0x00, 0x1f, 0x81, 0x00, 0x08, 0x30}},
+ {MAC_LENGTH, {0x00, 0x1b, 0x10, 0x00, 0x2a, 0xec}},
+ {MAC_LENGTH, {0x00, 0x15, 0x83, 0x15, 0xa3, 0x10}},
+ {MAC_LENGTH, {0x00, 0x15, 0x83, 0x07, 0xC6, 0x5A}},
+ {MAC_LENGTH, {0x00, 0x1f, 0x81, 0x00, 0x02, 0x00}},
+ {MAC_LENGTH, {0x00, 0x1f, 0x81, 0x00, 0x02, 0xdd}},
+ // Ceton TV tuner
+ {MAC_LENGTH, {0x00, 0x22, 0x2c, 0xff, 0xff, 0xff}},
+ // Check Point VPN
+ {MAC_LENGTH, {0x54, 0x55, 0x43, 0x44, 0x52, 0x09}},
+ {MAC_LENGTH, {0x54, 0xEF, 0x14, 0x71, 0xE4, 0x0E}},
+ {MAC_LENGTH, {0x54, 0xBA, 0xC6, 0xFF, 0x74, 0x10}},
+ // Cisco VPN
+ {MAC_LENGTH, {0x00, 0x05, 0x9a, 0x3c, 0x7a, 0x00}},
+ // Cisco VPN
+ {MAC_LENGTH, {0x00, 0x05, 0x9a, 0x3c, 0x78, 0x00}},
+ // Intel USB cell modem
+ {MAC_LENGTH, {0x00, 0x1e, 0x10, 0x1f, 0x00, 0x01}},
+ // Microsoft tethering
+ {MAC_LENGTH, {0x80, 0x00, 0x60, 0x0f, 0xe8, 0x00}},
+ // Nortel VPN
+ {MAC_LENGTH, {0x44, 0x45, 0x53, 0x54, 0x42, 0x00}},
+ // AEP VPN
+ {MAC_LENGTH, {0x00, 0x30, 0x70, 0x00, 0x00, 0x01}},
+ // Positive VPN
+ {MAC_LENGTH, {0x00, 0x02, 0x03, 0x04, 0x05, 0x06}},
+ // Bluetooth
+ {MAC_LENGTH, {0x00, 0x15, 0x83, 0x0B, 0x13, 0xC0}},
+ // Kerio Virtual Network Adapter
+ {MAC_LENGTH, {0x44, 0x45, 0x53, 0x54, 0x4f, 0x53}},
+ // Sierra Wireless cell modems.
+ {OUI_LENGTH, {0x00, 0xA0, 0xD5}},
+ // FRITZ!web DSL
+ {MAC_LENGTH, {0x00, 0x04, 0x0E, 0xFF, 0xFF, 0xFF}},
+ // VirtualPC
+ {MAC_LENGTH, {0x00, 0x00, 0x00, 0x00, 0x00, 0x01}},
+ // Bluetooth
+ {MAC_LENGTH, {0x00, 0x1F, 0x81, 0x00, 0x01, 0x00}},
+ {MAC_LENGTH, {0x00, 0x30, 0x91, 0x10, 0x00, 0x26}},
+ {MAC_LENGTH, {0x00, 0x25, 0x00, 0x5A, 0xC3, 0xD0}},
+ {MAC_LENGTH, {0x00, 0x15, 0x83, 0x0C, 0xBF, 0xEB}},
+ // Huawei cell modem
+ {MAC_LENGTH, {0x58, 0x2C, 0x80, 0x13, 0x92, 0x63}},
+ // Fortinet VPN
+ {OUI_LENGTH, {0x00, 0x09, 0x0F}},
+ // Realtek
+ {MAC_LENGTH, {0x00, 0x00, 0x00, 0x00, 0x00, 0x30}},
+ // Other rare dupes.
+ {MAC_LENGTH, {0x00, 0x11, 0xf5, 0x0d, 0x8a, 0xe8}}, // Atheros
+ {MAC_LENGTH, {0x00, 0x20, 0x07, 0x01, 0x16, 0x06}}, // Atheros
+ {MAC_LENGTH, {0x0d, 0x0b, 0x00, 0x00, 0xe0, 0x00}}, // Atheros
+ {MAC_LENGTH, {0x90, 0x4c, 0xe5, 0x0b, 0xc8, 0x8e}}, // Atheros
+ {MAC_LENGTH, {0x00, 0x1c, 0x23, 0x38, 0x49, 0xa4}}, // Broadcom
+ {MAC_LENGTH, {0x00, 0x12, 0x3f, 0x82, 0x7c, 0x32}}, // Broadcom
+ {MAC_LENGTH, {0x00, 0x11, 0x11, 0x32, 0xc3, 0x77}}, // Broadcom
+ {MAC_LENGTH, {0x00, 0x24, 0xd6, 0xae, 0x3e, 0x39}}, // Microsoft
+ {MAC_LENGTH, {0x00, 0x0f, 0xb0, 0x3a, 0xb4, 0x80}}, // Realtek
+ {MAC_LENGTH, {0x08, 0x10, 0x74, 0xa1, 0xda, 0x1b}}, // Realtek
+ {MAC_LENGTH, {0x00, 0x21, 0x9b, 0x2a, 0x0a, 0x9c}}, // Realtek
+ };
+
+ if (size != MAC_LENGTH) {
+ return false;
+ }
+
+ if (static_cast<const unsigned char *>(bytes)[0] & 0x02) {
+ // Locally administered.
+ return false;
+ }
+
+ // Note: Use ARRAYSIZE_UNSAFE() instead of arraysize() because InvalidMacEntry
+ // is declared inside this function.
+ for (size_t i = 0; i < ARRAYSIZE_UNSAFE(invalidAddresses); ++i) {
+ size_t count = invalidAddresses[i].size;
+ if (memcmp(invalidAddresses[i].address, bytes, count) == 0) {
+ return false;
+ }
+ }
+ return true;
}
+} // namespace
+
namespace extensions {
namespace api {
-/* static */
+// static
void DeviceId::GetDeviceId(const std::string& extension_id,
const IdCallback& callback) {
- DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+ DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
CHECK(!extension_id.empty());
// Forward call to platform specific implementation, then compute the HMAC
// in the callback.
- GetMachineId(base::Bind(&GetMachineIdCallback, extension_id, callback));
+ GetRawDeviceId(base::Bind(&GetRawDeviceIdCallback, extension_id, callback));
+}
+
+// static
+bool DeviceId::IsValidMacAddress(const void* bytes, size_t size) {
+ return IsValidMacAddressImpl(bytes, size);
}
} // namespace api
projects / platform / framework / web / crosswalk.git / blobdiff