This MR enables FreedomBox to connect as a "client" to a WireGuard
"server" using IPv6.
- Validate IPv4/6 with ip_interface
- Created helper functions to build NM settings for IPv4/6
- Modify get_settings to include settings for either IP version 4 or 6
- Created helper function to get NM address info
- Modify get_nm_info to work with IPv4 and IPv6
- Modified tests to use validate_ip_address_with_network
- Added IPv6 valid and invalid patterns to tests
Tested:
- IPv4 works unchanged
- IPv6 parsing + NM settings generation works
- IPv6 display in Show Server UI
Not tested:
- Needs IPv6 WireGuard server for full connectivity test
Closes: #1762
Signed-off-by: Frederico Gomes <fredericojfgomes@gmail.com>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
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