diff options
Diffstat (limited to 'src/etc/dhcp/dhclient-exit-hooks.d/ipsec-dhclient-hook')
| -rwxr-xr-x | src/etc/dhcp/dhclient-exit-hooks.d/ipsec-dhclient-hook | 46 |
1 files changed, 22 insertions, 24 deletions
diff --git a/src/etc/dhcp/dhclient-exit-hooks.d/ipsec-dhclient-hook b/src/etc/dhcp/dhclient-exit-hooks.d/ipsec-dhclient-hook index a7a9a2ce6..61a89e62a 100755 --- a/src/etc/dhcp/dhclient-exit-hooks.d/ipsec-dhclient-hook +++ b/src/etc/dhcp/dhclient-exit-hooks.d/ipsec-dhclient-hook @@ -35,19 +35,14 @@ fi python3 - <<PYEND import os import re + from vyos.util import call from vyos.util import cmd +from vyos.util import read_file +from vyos.util import write_file SWANCTL_CONF="/etc/swanctl/swanctl.conf" -def getlines(file): - with open(file, 'r') as f: - return f.readlines() - -def writelines(file, lines): - with open(file, 'w') as f: - f.writelines(lines) - def ipsec_down(ip_address): # This prevents the need to restart ipsec and kill all active connections, only the stale connection is closed status = cmd('sudo ipsec statusall') @@ -66,23 +61,26 @@ if __name__ == '__main__': new_ip = os.getenv('new_ip_address') old_ip = os.getenv('old_ip_address') - conf_lines = getlines(SWANCTL_CONF) - found = False - to_match = f'# dhcp:{interface}' + if os.path.exists(SWANCTL_CONF): + conf_lines = read_file(SWANCTL_CONF) + found = False + to_match = f'# dhcp:{interface}' + + for i, line in enumerate(conf_lines): + if line.find(to_match) > 0: + conf_lines[i] = line.replace(old_ip, new_ip) + found = True - for i, line in enumerate(conf_lines): - if line.find(to_match) > 0: - conf_lines[i] = line.replace(old_ip, new_ip) - found = True + for i, line in enumerate(secrets_lines): + if line.find(to_match) > 0: + secrets_lines[i] = line.replace(old_ip, new_ip) - for i, line in enumerate(secrets_lines): - if line.find(to_match) > 0: - secrets_lines[i] = line.replace(old_ip, new_ip) + if found: + write_file(SWANCTL_CONF, conf_lines) + ipsec_down(old_ip) + call('sudo ipsec rereadall') + call('sudo ipsec reload') + call('sudo swanctl -q') - if found: - writelines(SWANCTL_CONF, conf_lines) - ipsec_down(old_ip) - call('sudo ipsec rereadall') - call('sudo ipsec reload') - call('sudo swanctl -q') + exit(0) PYEND
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