/usr/share/pyshared/utmp.py is in python-utmp 0.8+nmu1ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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from UTMPCONST import *
import types
class UtmpEntry:
def __init__(self, *arg, **dictarg):
self.clear()
if len(arg)==1:
arg = arg[0]
if (type(arg)==tuple or type(arg)==list) and arg:
self.ut_type, self.ut_pid, self.ut_line, \
self.ut_id, self.ut_user, self.ut_host, \
self.ut_exit, self.ut_session, self.ut_tv, \
self.ut_addr_v6 = arg
elif type(arg)==dict:
for i in arg.keys():
self[i] = arg[i]
elif type(arg)==types.InstanceType:
self.ut_type, self.ut_pid, self.ut_line, \
self.ut_id, self.ut_user, self.ut_host, \
self.ut_exit, self.ut_session, self.ut_tv, \
self.ut_addr_v6 = arg.ut_type, arg.ut_pid, arg.ut_line, \
arg.ut_id, arg.ut_user, arg.ut_host, \
arg.ut_exit, arg.ut_session, arg.ut_tv, \
arg.ut_addr_v6
for i in dictarg.keys():
self[i] = dictarg[i]
def clear(self):
self.ut_type = EMPTY
self.ut_pid = 0
self.ut_line = ''
self.ut_id = ''
self.ut_user = ''
self.ut_host = ''
self.ut_exit = (0, 0)
self.ut_session = 0
self.ut_tv = (0, 0)
self.ut_addr_v6 = (0, 0, 0, 0)
def _as_tuple(self):
return (self.ut_type, self.ut_pid, self.ut_line, \
self.ut_id, self.ut_user, self.ut_host, \
self.ut_exit, self.ut_session, self.ut_tv, \
self.ut_addr_v6)
def __getitem__(self, item):
if item=='ut_type' or item==0:
return self.ut_type
elif item=='ut_pid' or item==1:
return self.ut_pid
elif item=='ut_line' or item==2:
return self.ut_line
elif item=='ut_id' or item==3:
return self.ut_id
elif item=='ut_user' or item==4:
return self.ut_user
elif item=='ut_host' or item==5:
return self.ut_host
elif item=='ut_exit' or item==6:
return self.ut_exit
elif item=='ut_session' or item==7:
return self.ut_session
elif item=='ut_tv' or item==8:
return self.ut_tv
elif item=='ut_addr_v6' or item==9:
return self.ut_addr_v6
else:
raise IndexError("Bad key used to access UtmpEntry: "+repr(item))
def __setitem__(self, item, val):
if item=='ut_type' or item==0:
self.ut_type=val
elif item=='ut_pid' or item==1:
self.ut_pid=val
elif item=='ut_line' or item==2:
self.ut_line=val
elif item=='ut_id' or item==3:
self.ut_id=val
elif item=='ut_user' or item==4:
self.ut_user=val
elif item=='ut_host' or item==5:
self.ut_host=val
elif item=='ut_exit' or item==6:
self.ut_exit=val
elif item=='ut_session' or item==7:
self.ut_session=val
elif item=='ut_tv' or item==8:
self.ut_tv=val
elif item=='ut_addr_v6' or item==9:
self.ut_addr_v6=val
else:
raise IndexError("Bad key used to access UtmpEntry: "+repr(item))
def __repr__(self):
fs = []
for key in 'ut_type', 'ut_pid', 'ut_line', \
'ut_id', 'ut_user', 'ut_host', \
'ut_exit', 'ut_session', 'ut_tv', \
'ut_addr_v6':
fs.append( key+'='+repr(self[key]) )
fs = ', '.join(fs)
r = fs
r = 'utmp.UtmpEntry( %s )' % fs
return r
class UtmpRecord:
def __init__(self, fname=None):
if fname:
utmpaccess.utmpname(fname)
self.fname = fname
self.setutent()
def _makeclass(self, a):
if not a:
return None
return UtmpEntry(a)
def setutent(self):
"rewinds the file pointer to the beginning of the utmp file."
utmpaccess.setutent()
def endutent(self):
"closes the utmp file."
utmpaccess.endutent()
def getutent(self):
"""reads a line from the current file position in the utmp file. It returns an
UtmpEntry instance corresponding to a given line."""
return self._makeclass(utmpaccess.getutent())
def __iter__(self):
return self
def __next__(self):
r = self.getutent()
if not r:
raise StopIteration
return r
next = __next__
def pututline(self, *ut, **dictut):
"""writes the UtmpEntry provided as parameter into the utmp file. It uses getutid() to search
for the proper place in the file to insert the new entry. If it cannot find an
appropriate slot for ut, pututline() will append the new entry to the end of the file."""
if len(ut) == 1: # one tuple passed as argument
u=ut[0]
else:
u = ut
u = UtmpEntry(u, **dictut)
utmpaccess.pututline(*u._as_tuple())
def getutid(self, ut_type, ut_id=''):
"""searches forward from the current file position in the utmp
file based upon ut_type. If ut_type is RUN_LVL, BOOT_TIME,
NEW_TIME, or OLD_TIME, getutid() will find the first entry whose
ut_type field matches ut_type argument. If ut_type is one of
INIT_PROCESS, LOGIN_PROCESS, USER_PROCESS, or DEAD_PROCESS,
getutid() will find the first entry whose ut_id field matches
ut_id argument."""
return self._makeclass(utmpaccess.getutid(ut_type, ut_id))
def getutline(self, ut_line):
"""searches forward from the current file position in the
utmp file. It scans entries whose ut_type is USER_PROCESS or
LOGIN_PROCESS and returns the first one whose ut_line field matches
ut_lie argument."""
return self._makeclass(utmpaccess.getutline(ut_line))
getutent_dict = getutent
pututline_dict = pututline
getutid_dict = getutid
getutline_dict = getutline
def __del__(self):
self.endutent()
def __repr__(self):
if not self.fname:
fname = ''
return 'utmp.UtmpRecord(%s)' % fname
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