Script started on Fri Jan 12 12:27:10 2018
$ python exec_test.py 
('environ = ', {'SSH_CLIENT': '192.168.0.62 60230 22', 'LOGNAME': 'db', 'USER': 'db', 'PATH': '/sbin:/bin:/usr/sbin:/usr/bin:/usr/games:/usr/local/sbin:/usr/local/bin:/usr/local/kde4/bin:/home/db//bin', 'HOME': '/home/db/', 'DISPLAY': 'localhost:10.0', 'TERM': 'screen', 'SHELL': '/bin/sh', 'SCRIPT': 'showbug.txt', 'SHLVL': '2', 'BLOCKSIZE': 'K', 'EDITOR': 'vi', 'TMUX': '/tmp/tmux-1000/default,922,0', 'ENV': '/home/db//.shrc', '_': '/usr/bin/script', 'SSH_TTY': '/dev/pts/0', 'OLDPWD': '/usr/local/lib/python3.6/site-packages/numpy/distutils', 'PWD': '/home/db/python', 'MAIL': '/var/mail/db', 'SSH_CONNECTION': '192.168.0.62 60230 192.168.0.240 22', 'PAGER': 'more', 'TMUX_PANE': '%0'})
('getuid = ', 1000)
('geteuid = ', 1000)
('ZZZ exec_command called command = ', 'ls -lta')
('ZZZ use_shell ', None)
('ZZZ use_tee ', None)
('ZZZ os.name = ', 'posix')
('ZZZ get SHELL= ', '/bin/sh')
('ZZZ get SHELL /bin/sh= ', '/bin/sh')
('ZZZ now command = ', ['/bin/sh', '-c', 'ls -lta'])
('ZZZ exec_command() env= ', None)
('proc= ', '<subprocess.Popen object at 0x8023b0f10>')
total 93
-rw-r--r--   1 db  wheel    43 Jan 12 12:27 showbug.txt
drwxr-xr-x   2 db  wheel     6 Jan 12 12:27 .
-rw-r--r--   1 db  wheel  2087 Jan 12 12:10 exec_test.py
drwxr-xr-x  94 db  wheel   691 Jan 12 09:52 ..
-rw-r--r--   1 db  wheel    62 Jan 11 19:23 test.c
-rw-r--r--   1 db  wheel   512 Jan  9 18:27 test.py
('t = ', 0)
('err = ', 'total 93\n-rw-r--r--   1 db  wheel    43 Jan 12 12:27 showbug.txt\ndrwxr-xr-x   2 db  wheel     6 Jan 12 12:27 .\n-rw-r--r--   1 db  wheel  2087 Jan 12 12:10 exec_test.py\ndrwxr-xr-x  94 db  wheel   691 Jan 12 09:52 ..\n-rw-r--r--   1 db  wheel    62 Jan 11 19:23 test.c\n-rw-r--r--   1 db  wheel   512 Jan  9 18:27 test.py')
$ sudo -u db python exec_test
python: can't open file 'exec_test': [Errno 2] No such file or directory
$ sudo -u db python exec_test.py
('environ = ', {'USERNAME': 'db', 'SUDO_COMMAND': '/usr/local/bin/python exec_test.py', 'TERM': 'screen', 'SHELL': '/bin/sh', 'SUDO_UID': '1000', 'SUDO_GID': '1000', 'LOGNAME': 'db', 'USER': 'db', 'MAIL': '/var/mail/db', 'PATH': '/sbin:/bin:/usr/sbin:/usr/bin:/usr/games:/usr/local/sbin:/usr/local/bin:/usr/local/kde4/bin:/home/db//bin', 'SUDO_USER': 'db', 'HOME': '/home/db/', 'DISPLAY': 'localhost:10.0'})
('getuid = ', 1000)
('geteuid = ', 1000)
('ZZZ exec_command called command = ', 'ls -lta')
('ZZZ use_shell ', None)
('ZZZ use_tee ', None)
('ZZZ os.name = ', 'posix')
('ZZZ get SHELL= ', '/bin/sh')
('ZZZ get SHELL /bin/sh= ', '/bin/sh')
('ZZZ now command = ', ['/bin/sh', '-c', 'ls -lta'])
('ZZZ exec_command() env= ', None)
('proc= ', '<subprocess.Popen object at 0x8023b0ed0>')
total 185
-rw-r--r--   1 db  wheel    43 Jan 12 12:27 showbug.txt
drwxr-xr-x   2 db  wheel     6 Jan 12 12:27 .
-rw-r--r--   1 db  wheel  2087 Jan 12 12:10 exec_test.py
drwxr-xr-x  94 db  wheel   691 Jan 12 09:52 ..
-rw-r--r--   1 db  wheel    62 Jan 11 19:23 test.c
-rw-r--r--   1 db  wheel   512 Jan  9 18:27 test.py
('t = ', 0)
('err = ', 'total 185\n-rw-r--r--   1 db  wheel    43 Jan 12 12:27 showbug.txt\ndrwxr-xr-x   2 db  wheel     6 Jan 12 12:27 .\n-rw-r--r--   1 db  wheel  2087 Jan 12 12:10 exec_test.py\ndrwxr-xr-x  94 db  wheel   691 Jan 12 09:52 ..\n-rw-r--r--   1 db  wheel    62 Jan 11 19:23 test.c\n-rw-r--r--   1 db  wheel   512 Jan  9 18:27 test.py')
$ sudo -u db python exec_test.pysudo -u b [1@n [1@o [1@b [1@o [1@d [1@y 
('environ = ', {'USERNAME': 'nobody', 'SUDO_COMMAND': '/usr/local/bin/python exec_test.py', 'TERM': 'screen', 'SHELL': '/usr/sbin/nologin', 'SUDO_UID': '1000', 'SUDO_GID': '1000', 'LOGNAME': 'nobody', 'USER': 'nobody', 'MAIL': '/var/mail/nobody', 'PATH': '/sbin:/bin:/usr/sbin:/usr/bin:/usr/games:/usr/local/sbin:/usr/local/bin:/usr/local/kde4/bin:/home/db//bin', 'SUDO_USER': 'db', 'HOME': '/nonexistent', 'DISPLAY': 'localhost:10.0'})
('getuid = ', 65534)
('geteuid = ', 65534)
('ZZZ exec_command called command = ', 'ls -lta')
('ZZZ use_shell ', None)
('ZZZ use_tee ', None)
('ZZZ os.name = ', 'posix')
('ZZZ get SHELL= ', '/usr/sbin/nologin')
('ZZZ get SHELL /bin/sh= ', '/usr/sbin/nologin')
('ZZZ now command = ', ['/usr/sbin/nologin', '-c', 'ls -lta'])
('ZZZ exec_command() env= ', None)
('proc= ', '<subprocess.Popen object at 0x8023b0ed0>')
This account is currently not available.
('t = ', 1)
('err = ', 'This account is currently not available.')
$ exit

Script done on Fri Jan 12 12:27:42 2018