diff options
Diffstat (limited to 'Lib/uuid.py')
| -rw-r--r-- | Lib/uuid.py | 69 |
1 files changed, 50 insertions, 19 deletions
diff --git a/Lib/uuid.py b/Lib/uuid.py index 90f36ab..8321013 100644 --- a/Lib/uuid.py +++ b/Lib/uuid.py @@ -311,7 +311,7 @@ class UUID(object): if self.variant == RFC_4122: return int((self.int >> 76) & 0xf) -def _find_mac(command, args, hw_identifiers, get_index): +def _popen(command, args): import os, shutil executable = shutil.which(command) if executable is None: @@ -319,20 +319,27 @@ def _find_mac(command, args, hw_identifiers, get_index): executable = shutil.which(command, path=path) if executable is None: return None + # LC_ALL to ensure English output, 2>/dev/null to prevent output on + # stderr (Note: we don't have an example where the words we search for + # are actually localized, but in theory some system could do so.) + cmd = 'LC_ALL=C %s %s 2>/dev/null' % (executable, args) + return os.popen(cmd) +def _find_mac(command, args, hw_identifiers, get_index): try: - # LC_ALL to ensure English output, 2>/dev/null to prevent output on - # stderr (Note: we don't have an example where the words we search for - # are actually localized, but in theory some system could do so.) - cmd = 'LC_ALL=C %s %s 2>/dev/null' % (executable, args) - with os.popen(cmd) as pipe: + pipe = _popen(command, args) + if not pipe: + return + with pipe: for line in pipe: - words = line.lower().split() + words = line.lower().rstrip().split() for i in range(len(words)): if words[i] in hw_identifiers: try: - return int( - words[get_index(i)].replace(':', ''), 16) + word = words[get_index(i)] + mac = int(word.replace(':', ''), 16) + if mac: + return mac except (ValueError, IndexError): # Virtual interfaces, such as those provided by # VPNs, do not have a colon-delimited MAC address @@ -345,27 +352,50 @@ def _find_mac(command, args, hw_identifiers, get_index): def _ifconfig_getnode(): """Get the hardware address on Unix by running ifconfig.""" - # This works on Linux ('' or '-a'), Tru64 ('-av'), but not all Unixes. for args in ('', '-a', '-av'): mac = _find_mac('ifconfig', args, ['hwaddr', 'ether'], lambda i: i+1) if mac: return mac - import socket +def _arp_getnode(): + """Get the hardware address on Unix by running arp.""" + import os, socket ip_addr = socket.gethostbyname(socket.gethostname()) # Try getting the MAC addr from arp based on our IP address (Solaris). - mac = _find_mac('arp', '-an', [ip_addr], lambda i: -1) - if mac: - return mac + return _find_mac('arp', '-an', [ip_addr], lambda i: -1) +def _lanscan_getnode(): + """Get the hardware address on Unix by running lanscan.""" # This might work on HP-UX. - mac = _find_mac('lanscan', '-ai', ['lan0'], lambda i: 0) - if mac: - return mac + return _find_mac('lanscan', '-ai', ['lan0'], lambda i: 0) - return None +def _netstat_getnode(): + """Get the hardware address on Unix by running netstat.""" + # This might work on AIX, Tru64 UNIX and presumably on IRIX. + try: + pipe = _popen('netstat', '-ia') + if not pipe: + return + with pipe: + words = pipe.readline().rstrip().split() + try: + i = words.index('Address') + except ValueError: + return + for line in pipe: + try: + words = line.rstrip().split() + word = words[i] + if len(word) == 17 and word.count(':') == 5: + mac = int(word.replace(':', ''), 16) + if mac: + return mac + except (ValueError, IndexError): + pass + except OSError: + pass def _ipconfig_getnode(): """Get the hardware address on Windows by running ipconfig.exe.""" @@ -506,7 +536,8 @@ def getnode(): if sys.platform == 'win32': getters = [_windll_getnode, _netbios_getnode, _ipconfig_getnode] else: - getters = [_unixdll_getnode, _ifconfig_getnode] + getters = [_unixdll_getnode, _ifconfig_getnode, _arp_getnode, + _lanscan_getnode, _netstat_getnode] for getter in getters + [_random_getnode]: try: |