def edit_hosts_file(path, new_hostname):
try:
hosts = read_file_contents(path)
hosts += '\n' + hosts_mod_comment + '\n'
hosts += '127.0.0.1\t{}\n'.format(new_hostname)
write_file_contents(path, hosts)
except:
logger.error("exception while changing change {}".format(path))
def _ensure_netifnames(self):
"""Add the kernel option ``net.ifnames=0`` to preserve old network
naming convention"""
data = read_file_contents(CMDLINE_TXT_PATH)
if 'net.ifnames=' not in data:
data = data + ' net.ifnames=0'
write_file_contents(CMDLINE_TXT_PATH, data)
def _ensure_netifnames(self):
"""Add the kernel option ``net.ifnames=0`` to preserve old network
naming convention"""
data = read_file_contents(CMDLINE_TXT_PATH)
if 'net.ifnames=' not in data:
data = data + ' net.ifnames=0'
write_file_contents(CMDLINE_TXT_PATH, data)
def create_empty_hosts():
import platform
hostname = platform.node()
new_hosts = '127.0.0.1 localhost\n127.0.1.1 {}\n'.format(hostname)
logger.debug("writing new hosts file")
write_file_contents(hosts_file, new_hosts)
logger.debug("restoring original hosts permission")
os.chmod(hosts_file, 0644)
def set_parental_enabled(setting, _password):
logger.debug('set_parental_enabled: {}'.format(setting))
# turning on
if setting:
logger.debug('enabling')
logger.debug('setting password')
write_file_contents(password_file, encrypt_password(_password))
logger.debug('making the file root read-only')
os.chmod(password_file, 0400)
logger.debug('enabling parental controls')
set_parental_level(get_parental_level())
msg = N_("Parental lock enabled!")
logger.debug(msg)
return True, _(msg)
# turning off
else:
# password matches
if read_file_contents(password_file) == encrypt_password(_password):
logger.debug('password accepted, disabling')
logger.debug('clearing password')
os.remove(password_file)
logger.debug('disabling parental controls')
set_parental_level(-1)
msg = N_("Parental lock disabled!")
logger.debug(msg)
return True, _(msg)
# password doesn't match
else:
msg = N_("Password doesn't match\nleaving parental lock enabled!")
logger.debug(msg)
return False, _(msg)
def set_hostname(new_hostname):
if os.environ['LOGNAME'] != 'root':
logger.error("Error: Settings must be executed with root privileges")
# Check username chars
new_hostname = re.sub('[^a-zA-Z0-9]', '', new_hostname).lower()
if new_hostname == '':
logger.error("no letters left in username after removing illegal ones")
return
if new_hostname == 'kano':
logger.info(
" not tryng to set hostname as it is the same as the default")
return
# check for missing hosts file
if not os.path.exists(hosts_file):
create_empty_hosts()
# check if already done
curr_hosts = read_file_contents_as_lines(hosts_file)
if hosts_mod_comment in curr_hosts:
logger.warn("/etc/hosts already modified, not changing")
return
# actually edit the hosts file
edit_hosts_file(hosts_file, new_hostname)
# edit the backup file.
if os.path.exists(hosts_file_backup):
edit_hosts_file(hosts_file_backup, new_hostname)
try:
write_file_contents('/etc/hostname', new_hostname + '\n')
except:
logger.error("exception while changing change /etc/hostname")
def beta_111_to_beta_120(self, dummy_progress):
purge("kano-unlocker")
repo_url = "deb http://mirrordirector.raspbian.org/raspbian/ wheezy main contrib non-free rpi"
write_file_contents('/etc/apt/sources.list', repo_url + '\n')
run_cmd_log('apt-get -y clean')
run_cmd_log('apt-get -y update')
def beta_111_to_beta_120(self, dummy_progress):
purge("kano-unlocker")
repo_url = "deb http://mirrordirector.raspbian.org/raspbian/ wheezy main contrib non-free rpi"
write_file_contents('/etc/apt/sources.list', repo_url + '\n')
run_cmd_log('apt-get -y clean')
run_cmd_log('apt-get -y update')
def write_blacklisted_sites(blacklist):
write_file_contents(blacklist_file, '\n'.join(blacklist))
def write_whitelisted_sites(whitelist):
write_file_contents(whitelist_file, '\n'.join(whitelist))