/usr/share/pyshared/bluetooth/btcommon.py is in python-bluez 0.18-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import struct
import binascii
L2CAP=0
RFCOMM=3
PORT_ANY=0
# Service Class IDs
SDP_SERVER_CLASS = "1000"
BROWSE_GRP_DESC_CLASS = "1001"
PUBLIC_BROWSE_GROUP = "1002"
SERIAL_PORT_CLASS = "1101"
LAN_ACCESS_CLASS = "1102"
DIALUP_NET_CLASS = "1103"
IRMC_SYNC_CLASS = "1104"
OBEX_OBJPUSH_CLASS = "1105"
OBEX_FILETRANS_CLASS = "1106"
IRMC_SYNC_CMD_CLASS = "1107"
HEADSET_CLASS = "1108"
CORDLESS_TELEPHONY_CLASS = "1109"
AUDIO_SOURCE_CLASS = "110a"
AUDIO_SINK_CLASS = "110b"
AV_REMOTE_TARGET_CLASS = "110c"
ADVANCED_AUDIO_CLASS = "110d"
AV_REMOTE_CLASS = "110e"
VIDEO_CONF_CLASS = "110f"
INTERCOM_CLASS = "1110"
FAX_CLASS = "1111"
HEADSET_AGW_CLASS = "1112"
WAP_CLASS = "1113"
WAP_CLIENT_CLASS = "1114"
PANU_CLASS = "1115"
NAP_CLASS = "1116"
GN_CLASS = "1117"
DIRECT_PRINTING_CLASS = "1118"
REFERENCE_PRINTING_CLASS = "1119"
IMAGING_CLASS = "111a"
IMAGING_RESPONDER_CLASS = "111b"
IMAGING_ARCHIVE_CLASS = "111c"
IMAGING_REFOBJS_CLASS = "111d"
HANDSFREE_CLASS = "111e"
HANDSFREE_AGW_CLASS = "111f"
DIRECT_PRT_REFOBJS_CLASS = "1120"
REFLECTED_UI_CLASS = "1121"
BASIC_PRINTING_CLASS = "1122"
PRINTING_STATUS_CLASS = "1123"
HID_CLASS = "1124"
HCR_CLASS = "1125"
HCR_PRINT_CLASS = "1126"
HCR_SCAN_CLASS = "1127"
CIP_CLASS = "1128"
VIDEO_CONF_GW_CLASS = "1129"
UDI_MT_CLASS = "112a"
UDI_TA_CLASS = "112b"
AV_CLASS = "112c"
SAP_CLASS = "112d"
PNP_INFO_CLASS = "1200"
GENERIC_NETWORKING_CLASS = "1201"
GENERIC_FILETRANS_CLASS = "1202"
GENERIC_AUDIO_CLASS = "1203"
GENERIC_TELEPHONY_CLASS = "1204"
UPNP_CLASS = "1205"
UPNP_IP_CLASS = "1206"
UPNP_PAN_CLASS = "1300"
UPNP_LAP_CLASS = "1301"
UPNP_L2CAP_CLASS = "1302"
VIDEO_SOURCE_CLASS = "1303"
VIDEO_SINK_CLASS = "1304"
# Bluetooth Profile Descriptors
SDP_SERVER_PROFILE = ( SDP_SERVER_CLASS, 0x0100)
BROWSE_GRP_DESC_PROFILE = ( BROWSE_GRP_DESC_CLASS, 0x0100)
SERIAL_PORT_PROFILE = ( SERIAL_PORT_CLASS, 0x0100)
LAN_ACCESS_PROFILE = ( LAN_ACCESS_CLASS, 0x0100)
DIALUP_NET_PROFILE = ( DIALUP_NET_CLASS, 0x0100)
IRMC_SYNC_PROFILE = ( IRMC_SYNC_CLASS, 0x0100)
OBEX_OBJPUSH_PROFILE = ( OBEX_OBJPUSH_CLASS, 0x0100)
OBEX_FILETRANS_PROFILE = ( OBEX_FILETRANS_CLASS, 0x0100)
IRMC_SYNC_CMD_PROFILE = ( IRMC_SYNC_CMD_CLASS, 0x0100)
HEADSET_PROFILE = ( HEADSET_CLASS, 0x0100)
CORDLESS_TELEPHONY_PROFILE = ( CORDLESS_TELEPHONY_CLASS, 0x0100)
AUDIO_SOURCE_PROFILE = ( AUDIO_SOURCE_CLASS, 0x0100)
AUDIO_SINK_PROFILE = ( AUDIO_SINK_CLASS, 0x0100)
AV_REMOTE_TARGET_PROFILE = ( AV_REMOTE_TARGET_CLASS, 0x0100)
ADVANCED_AUDIO_PROFILE = ( ADVANCED_AUDIO_CLASS, 0x0100)
AV_REMOTE_PROFILE = ( AV_REMOTE_CLASS, 0x0100)
VIDEO_CONF_PROFILE = ( VIDEO_CONF_CLASS, 0x0100)
INTERCOM_PROFILE = ( INTERCOM_CLASS, 0x0100)
FAX_PROFILE = ( FAX_CLASS, 0x0100)
HEADSET_AGW_PROFILE = ( HEADSET_AGW_CLASS, 0x0100)
WAP_PROFILE = ( WAP_CLASS, 0x0100)
WAP_CLIENT_PROFILE = ( WAP_CLIENT_CLASS, 0x0100)
PANU_PROFILE = ( PANU_CLASS, 0x0100)
NAP_PROFILE = ( NAP_CLASS, 0x0100)
GN_PROFILE = ( GN_CLASS, 0x0100)
DIRECT_PRINTING_PROFILE = ( DIRECT_PRINTING_CLASS, 0x0100)
REFERENCE_PRINTING_PROFILE = ( REFERENCE_PRINTING_CLASS, 0x0100)
IMAGING_PROFILE = ( IMAGING_CLASS, 0x0100)
IMAGING_RESPONDER_PROFILE = ( IMAGING_RESPONDER_CLASS, 0x0100)
IMAGING_ARCHIVE_PROFILE = ( IMAGING_ARCHIVE_CLASS, 0x0100)
IMAGING_REFOBJS_PROFILE = ( IMAGING_REFOBJS_CLASS, 0x0100)
HANDSFREE_PROFILE = ( HANDSFREE_CLASS, 0x0100)
HANDSFREE_AGW_PROFILE = ( HANDSFREE_AGW_CLASS, 0x0100)
DIRECT_PRT_REFOBJS_PROFILE = ( DIRECT_PRT_REFOBJS_CLASS, 0x0100)
REFLECTED_UI_PROFILE = ( REFLECTED_UI_CLASS, 0x0100)
BASIC_PRINTING_PROFILE = ( BASIC_PRINTING_CLASS, 0x0100)
PRINTING_STATUS_PROFILE = ( PRINTING_STATUS_CLASS, 0x0100)
HID_PROFILE = ( HID_CLASS, 0x0100)
HCR_PROFILE = ( HCR_SCAN_CLASS, 0x0100)
HCR_PRINT_PROFILE = ( HCR_PRINT_CLASS, 0x0100)
HCR_SCAN_PROFILE = ( HCR_SCAN_CLASS, 0x0100)
CIP_PROFILE = ( CIP_CLASS, 0x0100)
VIDEO_CONF_GW_PROFILE = ( VIDEO_CONF_GW_CLASS, 0x0100)
UDI_MT_PROFILE = ( UDI_MT_CLASS, 0x0100)
UDI_TA_PROFILE = ( UDI_TA_CLASS, 0x0100)
AV_PROFILE = ( AV_CLASS, 0x0100)
SAP_PROFILE = ( SAP_CLASS, 0x0100)
PNP_INFO_PROFILE = ( PNP_INFO_CLASS, 0x0100)
GENERIC_NETWORKING_PROFILE = ( GENERIC_NETWORKING_CLASS, 0x0100)
GENERIC_FILETRANS_PROFILE = ( GENERIC_FILETRANS_CLASS, 0x0100)
GENERIC_AUDIO_PROFILE = ( GENERIC_AUDIO_CLASS, 0x0100)
GENERIC_TELEPHONY_PROFILE = ( GENERIC_TELEPHONY_CLASS, 0x0100)
UPNP_PROFILE = ( UPNP_CLASS, 0x0100)
UPNP_IP_PROFILE = ( UPNP_IP_CLASS, 0x0100)
UPNP_PAN_PROFILE = ( UPNP_PAN_CLASS, 0x0100)
UPNP_LAP_PROFILE = ( UPNP_LAP_CLASS, 0x0100)
UPNP_L2CAP_PROFILE = ( UPNP_L2CAP_CLASS, 0x0100)
VIDEO_SOURCE_PROFILE = ( VIDEO_SOURCE_CLASS, 0x0100)
VIDEO_SINK_PROFILE = ( VIDEO_SINK_CLASS, 0x0100)
# Universal Service Attribute IDs
SERVICE_RECORD_HANDLE_ATTRID = 0x0000
SERVICE_CLASS_ID_LIST_ATTRID = 0x0001
SERVICE_RECORD_STATE_ATTRID = 0x0002
SERVICE_ID_ATTRID = 0x0003
PROTOCOL_DESCRIPTOR_LIST_ATTRID = 0x0004
BROWSE_GROUP_LIST_ATTRID = 0x0005
LANGUAGE_BASE_ATTRID_LIST_ATTRID = 0x0006
SERVICE_INFO_TIME_TO_LIVE_ATTRID = 0x0007
SERVICE_AVAILABILITY_ATTRID = 0x0008
BLUETOOTH_PROFILE_DESCRIPTOR_LIST_ATTRID = 0x0009
DOCUMENTATION_URL_ATTRID = 0x000a
CLIENT_EXECUTABLE_URL_ATTRID = 0x000b
ICON_URL_ATTRID = 0x000c
SERVICE_NAME_ATTRID = 0x0100
SERVICE_DESCRIPTION_ATTRID = 0x0101
PROVIDER_NAME_ATTRID = 0x0102
# Protocol UUIDs
SDP_UUID = "0001"
UDP_UUID = "0002"
RFCOMM_UUID = "0003"
TCP_UUID = "0004"
TCS_BIN_UUID = "0005"
TCS_AT_UUID = "0006"
OBEX_UUID = "0008"
IP_UUID = "0009"
FTP_UUID = "000a"
HTTP_UUID = "000c"
WSP_UUID = "000e"
BNEP_UUID = "000f"
UPNP_UUID = "0010"
HIDP_UUID = "0011"
HCRP_CTRL_UUID = "0012"
HCRP_DATA_UUID = "0014"
HCRP_NOTE_UUID = "0016"
AVCTP_UUID = "0017"
AVDTP_UUID = "0019"
CMTP_UUID = "001b"
UDI_UUID = "001d"
L2CAP_UUID = "0100"
class BluetoothError (IOError):
pass
def is_valid_address (s):
"""
returns True if address is a valid Bluetooth address
valid address are always strings of the form XX:XX:XX:XX:XX:XX
where X is a hexadecimal character. For example,
01:23:45:67:89:AB is a valid address, but
IN:VA:LI:DA:DD:RE is not
"""
try:
pairs = s.split (":")
if len (pairs) != 6: return False
for b in pairs: int (b, 16)
except:
return False
return True
def is_valid_uuid (uuid):
"""
is_valid_uuid (uuid) -> bool
returns True if uuid is a valid 128-bit UUID.
valid UUIDs are always strings taking one of the following forms:
XXXX
XXXXXXXX
XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
where each X is a hexadecimal digit (case insensitive)
"""
try:
if len (uuid) == 4:
if int (uuid, 16) < 0: return False
elif len (uuid) == 8:
if int (uuid, 16) < 0: return False
elif len (uuid) == 36:
pieces = uuid.split ("-")
if len (pieces) != 5 or \
len (pieces[0]) != 8 or \
len (pieces[1]) != 4 or \
len (pieces[2]) != 4 or \
len (pieces[3]) != 4 or \
len (pieces[4]) != 12:
return False
[ int (p, 16) for p in pieces ]
else:
return False
except ValueError:
return False
except TypeError:
return False
return True
def to_full_uuid (uuid):
"""
converts a short 16-bit or 32-bit reserved UUID to a full 128-bit Bluetooth
UUID.
"""
if not is_valid_uuid (uuid): raise ValueError ("invalid UUID")
if len (uuid) == 4:
return "0000%s-0000-1000-8000-00805F9B34FB" % uuid
elif len (uuid) == 8:
return "%s-0000-1000-8000-00805F9B34FB" % uuid
else:
return uuid
# =============== parsing and constructing raw SDP records ============
def sdp_parse_size_desc (data):
dts = struct.unpack ("B", data[0])[0]
dtype, dsizedesc = dts >> 3, dts & 0x7
dstart = 1
if dtype == 0: dsize = 0
elif dsizedesc == 0: dsize = 1
elif dsizedesc == 1: dsize = 2
elif dsizedesc == 2: dsize = 4
elif dsizedesc == 3: dsize = 8
elif dsizedesc == 4: dsize = 16
elif dsizedesc == 5:
dsize = struct.unpack ("B", data[1])[0]
dstart += 1
elif dsizedesc == 6:
dsize = struct.unpack ("!H", data[1:3])[0]
dstart += 2
elif dsizedesc == 7:
dsize == struct.unpack ("!I", data[1:5])[0]
dstart += 4
if dtype > 8:
raise ValueError ("Invalid TypeSizeDescriptor byte %s %d, %d" \
% (binascii.hexlify (data[0]), dtype, dsizedesc))
return dtype, dsize, dstart
def sdp_parse_uuid (data, size):
if size == 2:
return binascii.hexlify (data)
elif size == 4:
return binascii.hexlify (data)
elif size == 16:
return "%08X-%04X-%04X-%04X-%04X%08X" % struct.unpack ("!IHHHHI", data)
else: return ValueError ("invalid UUID size")
def sdp_parse_int (data, size, signed):
fmts = { 1 : "!b" , 2 : "!h" , 4 : "!i" , 8 : "!q" , 16 : "!qq" }
fmt = fmts[size]
if not signed: fmt = fmt.upper ()
if fmt in [ "!qq", "!QQ" ]:
upp, low = struct.unpack ("!QQ", data)
result = ( upp << 64) | low
if signed:
result=- ((~ (result-1))&0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFL)
return result
else:
return struct.unpack (fmt, data)[0]
def sdp_parse_data_elementSequence (data):
result = []
pos = 0
datalen = len (data)
while pos < datalen:
rtype, rval, consumed = sdp_parse_data_element (data[pos:])
pos += consumed
result.append ( (rtype, rval))
return result
def sdp_parse_data_element (data):
dtype, dsize, dstart = sdp_parse_size_desc (data)
elem = data[dstart:dstart+dsize]
if dtype == 0:
rtype, rval = "Nil", None
elif dtype == 1:
rtype, rval = "UInt%d"% (dsize*8), sdp_parse_int (elem, dsize, False)
elif dtype == 2:
rtype, rval = "SInt%d"% (dsize*8), sdp_parse_int (elem, dsize, True)
elif dtype == 3:
rtype, rval = "UUID", sdp_parse_uuid (elem, dsize)
elif dtype == 4:
rtype, rval = "String", elem
elif dtype == 5:
rtype, rval = "Bool", (struct.unpack ("B", elem)[0] != 0)
elif dtype == 6:
rtype, rval = "ElemSeq", sdp_parse_data_elementSequence (elem)
elif dtype == 7:
rtype, rval = "AltElemSeq", sdp_parse_data_elementSequence (elem)
elif dtype == 8:
rtype, rval = "URL", elem
return rtype, rval, dstart+dsize
def sdp_parse_raw_record (data):
dtype, dsize, dstart = sdp_parse_size_desc (data)
assert dtype == 6
pos = dstart
datalen = len (data)
record = {}
while pos < datalen:
type, attrid, consumed = sdp_parse_data_element (data[pos:])
assert type == "UInt16"
pos += consumed
type, attrval, consumed = sdp_parse_data_element (data[pos:])
pos += consumed
record[attrid] = attrval
return record
def sdp_make_data_element (type, value):
def maketsd (tdesc, sdesc):
return struct.pack ("B", (tdesc << 3) | sdesc)
def maketsdl (tdesc, size):
if size < (1<<8): return struct.pack ("!BB", tdesc << 3 | 5, size)
elif size < (1<<16): return struct.pack ("!BH", tdesc << 3 | 6, size)
else: return struct.pack ("!BI", tdesc << 3 | 7, size)
easyinttypes = { "UInt8" : (1, 0, "!B"), "UInt16" : (1, 1, "!H"),
"UInt32" : (1, 2, "!I"), "UInt64" : (1, 3, "!Q"),
"SInt8" : (2, 0, "!b"), "SInt16" : (2, 1, "!h"),
"SInt32" : (2, 2, "!i"), "SInt64" : (2, 3, "!q"),
}
if type == "Nil":
return maketsd (0, 0)
elif type in easyinttypes:
tdesc, sdesc, fmt = easyinttypes[type]
return maketsd (tdesc, sdesc) + struct.pack (fmt, value)
elif type == "UInt128":
ts = maketsd (1, 4)
upper = ts >> 64
lower = (ts & 0xFFFFFFFFFFFFFFFFL)
return ts + struct.pack ("!QQ", upper, lower)
elif type == "SInt128":
ts = maketsd (2, 4)
# FIXME
raise NotImplementedException ("128-bit signed int NYI!")
elif type == "UUID":
if len (value) == 4:
return maketsd (3, 1) + binascii.unhexlify (value)
elif len (value) == 8:
return maketsd (3, 2) + binascii.unhexlify (value)
elif len (value) == 36:
return maketsd (3, 4) + binascii.unhexlify (value.replace ("-",""))
elif type == "String":
return maketsdl (4, len (value)) + value
elif type == "Bool":
return maketsd (5,0) + (value and "\x01" or "\x00")
elif type == "ElemSeq":
packedseq = ""
for subtype, subval in value:
nextelem = sdp_make_data_element (subtype, subval)
packedseq = packedseq + nextelem
return maketsdl (6, len (packedseq)) + packedseq
elif type == "AltElemSeq":
packedseq = ""
for subtype, subval in value:
packedseq = packedseq + sdp_make_data_element (subtype, subval)
return maketsdl (7, len (packedseq)) + packedseq
elif type == "URL":
return maketsdl (8, len (value)) + value
else:
raise ValueError ("invalid type %s" % type)
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