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Julian Dehm
briar
Commits
cd5d922b
Commit
cd5d922b
authored
12 years ago
by
akwizgran
Browse files
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Cleaned up Android Bluetooth reflection code and added logging.
parent
a02ca4b3
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1 changed file
briar-core/src/net/sf/briar/plugins/droidtooth/InsecureBluetooth.java
+29
-20
29 additions, 20 deletions
...rc/net/sf/briar/plugins/droidtooth/InsecureBluetooth.java
with
29 additions
and
20 deletions
briar-core/src/net/sf/briar/plugins/droidtooth/InsecureBluetooth.java
+
29
−
20
View file @
cd5d922b
package
net.sf.briar.plugins.droidtooth
;
package
net.sf.briar.plugins.droidtooth
;
import
static
java
.
util
.
logging
.
Level
.
INFO
;
import
java.io.IOException
;
import
java.io.IOException
;
import
java.lang.reflect.Constructor
;
import
java.lang.reflect.Constructor
;
import
java.lang.reflect.Field
;
import
java.lang.reflect.Field
;
import
java.lang.reflect.InvocationTargetException
;
import
java.lang.reflect.InvocationTargetException
;
import
java.lang.reflect.Method
;
import
java.lang.reflect.Method
;
import
java.util.UUID
;
import
java.util.UUID
;
import
java.util.logging.Logger
;
import
android.annotation.SuppressLint
;
import
android.annotation.SuppressLint
;
import
android.bluetooth.BluetoothAdapter
;
import
android.bluetooth.BluetoothAdapter
;
...
@@ -21,16 +24,22 @@ import android.os.ParcelUuid;
...
@@ -21,16 +24,22 @@ import android.os.ParcelUuid;
// Based on http://stanford.edu/~tpurtell/InsecureBluetooth.java by T.J. Purtell
// Based on http://stanford.edu/~tpurtell/InsecureBluetooth.java by T.J. Purtell
class
InsecureBluetooth
{
class
InsecureBluetooth
{
private
static
final
Logger
LOG
=
Logger
.
getLogger
(
InsecureBluetooth
.
class
.
getName
());
private
static
final
int
TYPE_RFCOMM
=
1
;
private
static
final
int
TYPE_RFCOMM
=
1
;
@SuppressLint
(
"NewApi"
)
@SuppressLint
(
"NewApi"
)
static
BluetoothServerSocket
listen
(
BluetoothAdapter
adapter
,
String
name
,
static
BluetoothServerSocket
listen
(
BluetoothAdapter
adapter
,
String
name
,
UUID
uuid
)
throws
IOException
{
UUID
uuid
)
throws
IOException
{
if
(
Build
.
VERSION
.
SDK_INT
>=
10
)
{
if
(
Build
.
VERSION
.
SDK_INT
>=
10
)
{
if
(
LOG
.
isLoggable
(
INFO
))
LOG
.
info
(
"Listening with new API"
);
return
adapter
.
listenUsingInsecureRfcommWithServiceRecord
(
name
,
return
adapter
.
listenUsingInsecureRfcommWithServiceRecord
(
name
,
uuid
);
uuid
);
}
}
try
{
try
{
if
(
LOG
.
isLoggable
(
INFO
))
LOG
.
info
(
"Listening via reflection"
);
// Find an available channel
String
className
=
BluetoothAdapter
.
class
.
getName
()
String
className
=
BluetoothAdapter
.
class
.
getName
()
+
".RfcommChannelPicker"
;
+
".RfcommChannelPicker"
;
Class
<?>
channelPickerClass
=
null
;
Class
<?>
channelPickerClass
=
null
;
...
@@ -48,15 +57,15 @@ class InsecureBluetooth {
...
@@ -48,15 +57,15 @@ class InsecureBluetooth {
if
(
constructor
==
null
)
if
(
constructor
==
null
)
throw
new
IOException
(
"Can't find channel picker constructor"
);
throw
new
IOException
(
"Can't find channel picker constructor"
);
Object
channelPicker
=
constructor
.
newInstance
(
uuid
);
Object
channelPicker
=
constructor
.
newInstance
(
uuid
);
Method
nextChannel
=
channelPickerClass
.
getDeclaredMethod
(
Method
nextChannel
=
"nextChannel"
,
new
Class
[
0
]
);
channelPickerClass
.
getDeclaredMethod
(
"nextChannel"
);
nextChannel
.
setAccessible
(
true
);
nextChannel
.
setAccessible
(
true
);
BluetoothServerSocket
socket
=
null
;
int
channel
=
(
Integer
)
nextChannel
.
invoke
(
channelPicker
);
int
channel
=
(
Integer
)
nextChannel
.
invoke
(
channelPicker
,
new
Object
[
0
]);
if
(
channel
==
-
1
)
throw
new
IOException
(
"No available channels"
);
if
(
channel
==
-
1
)
throw
new
IOException
(
"No available channels"
);
socket
=
listen
(
channel
);
// Listen on the channel
Field
f
=
adapter
.
getClass
().
getDeclaredField
(
"mService"
);
BluetoothServerSocket
socket
=
listen
(
channel
);
// Add a service record
Field
f
=
BluetoothAdapter
.
class
.
getDeclaredField
(
"mService"
);
f
.
setAccessible
(
true
);
f
.
setAccessible
(
true
);
Object
mService
=
f
.
get
(
adapter
);
Object
mService
=
f
.
get
(
adapter
);
Method
addRfcommServiceRecord
=
Method
addRfcommServiceRecord
=
...
@@ -70,7 +79,7 @@ class InsecureBluetooth {
...
@@ -70,7 +79,7 @@ class InsecureBluetooth {
socket
.
close
();
socket
.
close
();
throw
new
IOException
(
"Can't register SDP record for "
+
name
);
throw
new
IOException
(
"Can't register SDP record for "
+
name
);
}
}
Field
f1
=
a
dapter
.
getC
lass
()
.
getDeclaredField
(
"mHandler"
);
Field
f1
=
BluetoothA
dapter
.
c
lass
.
getDeclaredField
(
"mHandler"
);
f1
.
setAccessible
(
true
);
f1
.
setAccessible
(
true
);
Object
mHandler
=
f1
.
get
(
adapter
);
Object
mHandler
=
f1
.
get
(
adapter
);
Method
setCloseHandler
=
socket
.
getClass
().
getDeclaredMethod
(
Method
setCloseHandler
=
socket
.
getClass
().
getDeclaredMethod
(
...
@@ -96,7 +105,6 @@ class InsecureBluetooth {
...
@@ -96,7 +105,6 @@ class InsecureBluetooth {
}
}
private
static
BluetoothServerSocket
listen
(
int
port
)
throws
IOException
{
private
static
BluetoothServerSocket
listen
(
int
port
)
throws
IOException
{
BluetoothServerSocket
socket
=
null
;
try
{
try
{
Constructor
<
BluetoothServerSocket
>
constructor
=
Constructor
<
BluetoothServerSocket
>
constructor
=
BluetoothServerSocket
.
class
.
getDeclaredConstructor
(
BluetoothServerSocket
.
class
.
getDeclaredConstructor
(
...
@@ -104,15 +112,15 @@ class InsecureBluetooth {
...
@@ -104,15 +112,15 @@ class InsecureBluetooth {
if
(
constructor
==
null
)
if
(
constructor
==
null
)
throw
new
IOException
(
"Can't find server socket constructor"
);
throw
new
IOException
(
"Can't find server socket constructor"
);
constructor
.
setAccessible
(
true
);
constructor
.
setAccessible
(
true
);
socket
=
constructor
.
newInstance
(
TYPE_RFCOMM
,
false
,
false
,
port
);
BluetoothServerSocket
socket
=
constructor
.
newInstance
(
TYPE_RFCOMM
,
Field
f
=
socket
.
getClass
().
getDeclaredField
(
"mSocket"
);
false
,
false
,
port
);
Field
f
=
BluetoothServerSocket
.
class
.
getDeclaredField
(
"mSocket"
);
f
.
setAccessible
(
true
);
f
.
setAccessible
(
true
);
Object
mSocket
=
f
.
get
(
socket
);
Object
mSocket
=
f
.
get
(
socket
);
Method
bindListen
=
mSocket
.
getClass
().
getDeclaredMethod
(
Method
bindListen
=
"bindListen"
,
new
Class
[
0
]
);
mSocket
.
getClass
().
getDeclaredMethod
(
"bindListen"
);
bindListen
.
setAccessible
(
true
);
bindListen
.
setAccessible
(
true
);
Object
result
=
bindListen
.
invoke
(
mSocket
,
new
Object
[
0
]);
int
errno
=
(
Integer
)
bindListen
.
invoke
(
mSocket
);
int
errno
=
(
Integer
)
result
;
if
(
errno
!=
0
)
{
if
(
errno
!=
0
)
{
socket
.
close
();
socket
.
close
();
throw
new
IOException
(
"Can't bind: errno "
+
errno
);
throw
new
IOException
(
"Can't bind: errno "
+
errno
);
...
@@ -138,10 +146,12 @@ class InsecureBluetooth {
...
@@ -138,10 +146,12 @@ class InsecureBluetooth {
@SuppressLint
(
"NewApi"
)
@SuppressLint
(
"NewApi"
)
static
BluetoothSocket
createSocket
(
BluetoothDevice
device
,
UUID
uuid
)
static
BluetoothSocket
createSocket
(
BluetoothDevice
device
,
UUID
uuid
)
throws
IOException
{
throws
IOException
{
if
(
Build
.
VERSION
.
SDK_INT
>=
10
)
if
(
Build
.
VERSION
.
SDK_INT
>=
10
)
{
if
(
LOG
.
isLoggable
(
INFO
))
LOG
.
info
(
"Creating socket with new API"
);
return
device
.
createInsecureRfcommSocketToServiceRecord
(
uuid
);
return
device
.
createInsecureRfcommSocketToServiceRecord
(
uuid
);
}
try
{
try
{
BluetoothSocket
socket
=
null
;
if
(
LOG
.
isLoggable
(
INFO
))
LOG
.
info
(
"Creating socket via reflection"
)
;
Constructor
<
BluetoothSocket
>
constructor
=
Constructor
<
BluetoothSocket
>
constructor
=
BluetoothSocket
.
class
.
getDeclaredConstructor
(
int
.
class
,
BluetoothSocket
.
class
.
getDeclaredConstructor
(
int
.
class
,
int
.
class
,
boolean
.
class
,
boolean
.
class
,
int
.
class
,
boolean
.
class
,
boolean
.
class
,
...
@@ -149,9 +159,8 @@ class InsecureBluetooth {
...
@@ -149,9 +159,8 @@ class InsecureBluetooth {
if
(
constructor
==
null
)
if
(
constructor
==
null
)
throw
new
IOException
(
"Can't find socket constructor"
);
throw
new
IOException
(
"Can't find socket constructor"
);
constructor
.
setAccessible
(
true
);
constructor
.
setAccessible
(
true
);
socket
=
constructor
.
newInstance
(
TYPE_RFCOMM
,
-
1
,
false
,
true
,
return
constructor
.
newInstance
(
TYPE_RFCOMM
,
-
1
,
false
,
true
,
device
,
device
,
-
1
,
uuid
!=
null
?
new
ParcelUuid
(
uuid
)
:
null
);
-
1
,
new
ParcelUuid
(
uuid
));
return
socket
;
}
catch
(
NoSuchMethodException
e
)
{
}
catch
(
NoSuchMethodException
e
)
{
throw
new
IOException
(
e
.
toString
());
throw
new
IOException
(
e
.
toString
());
}
catch
(
IllegalAccessException
e
)
{
}
catch
(
IllegalAccessException
e
)
{
...
...
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