class Unix(OSBase):
"""OS class for Unix"""
sensitive_userdata = [
+ '.history',
'.bash_history',
'.gnupg',
'.ssh',
def __init__(self, rootdev, ghandler, output):
super(Unix, self).__init__(rootdev, ghandler, output)
- self.meta["USERS"] = " ".join(self._get_passworded_users())
- # Delete the USERS metadata if empty
- if not len(self.meta['USERS']):
- self.out.warn("No passworded users found!")
- del self.meta['USERS']
-
- def _get_passworded_users(self):
- users = []
- regexp = re.compile('(\S+):((?:!\S+)|(?:[^!*]\S+)|):(?:\S*:){6}')
-
- for line in self.g.cat('/etc/shadow').splitlines():
- match = regexp.match(line)
- if not match:
- continue
-
- user, passwd = match.groups()
- if len(passwd) > 0 and passwd[0] == '!':
- self.out.warn("Ignoring locked %s account." % user)
- else:
- users.append(user)
-
- return users
-
- @sysprep(enabled=False)
- def remove_user_accounts(self, print_header=True):
- """Remove all user accounts with id greater than 1000"""
-
- if print_header:
- self.out.output("Removing all user accounts with id greater than "
- "1000")
-
- if 'USERS' not in self.meta:
- return
-
- # Remove users from /etc/passwd
- passwd = []
- removed_users = {}
- metadata_users = self.meta['USERS'].split()
- for line in self.g.cat('/etc/passwd').splitlines():
- fields = line.split(':')
- if int(fields[2]) > 1000:
- removed_users[fields[0]] = fields
- # remove it from the USERS metadata too
- if fields[0] in metadata_users:
- metadata_users.remove(fields[0])
- else:
- passwd.append(':'.join(fields))
-
- self.meta['USERS'] = " ".join(metadata_users)
-
- # Delete the USERS metadata if empty
- if not len(self.meta['USERS']):
- del self.meta['USERS']
-
- self.g.write('/etc/passwd', '\n'.join(passwd) + '\n')
-
- # Remove the corresponding /etc/shadow entries
- shadow = []
- for line in self.g.cat('/etc/shadow').splitlines():
- fields = line.split(':')
- if fields[0] not in removed_users:
- shadow.append(':'.join(fields))
-
- self.g.write('/etc/shadow', "\n".join(shadow) + '\n')
-
- # Remove the corresponding /etc/group entries
- group = []
- for line in self.g.cat('/etc/group').splitlines():
- fields = line.split(':')
- # Remove groups tha have the same name as the removed users
- if fields[0] not in removed_users:
- group.append(':'.join(fields))
-
- self.g.write('/etc/group', '\n'.join(group) + '\n')
-
- # Remove home directories
- for home in [field[5] for field in removed_users.values()]:
- if self.g.is_dir(home) and home.startswith('/home/'):
- self.g.rm_rf(home)
-
- @sysprep()
- def cleanup_passwords(self, print_header=True):
- """Remove all passwords and lock all user accounts"""
-
- if print_header:
- self.out.output("Cleaning up passwords & locking all user "
- "accounts")
-
- shadow = []
-
- for line in self.g.cat('/etc/shadow').splitlines():
- fields = line.split(':')
- if fields[1] not in ('*', '!'):
- fields[1] = '!'
-
- shadow.append(":".join(fields))
-
- self.g.write('/etc/shadow', "\n".join(shadow) + '\n')
-
@sysprep()
def cleanup_cache(self, print_header=True):
"""Remove all regular files under /var/cache"""