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89 Commits

Author SHA1 Message Date
Quentin McGaw 4a78989d9d chore: do not use sentinel errors when unneeded 
- main reason being it's a burden to always define sentinel errors at global scope, wrap them with `%w` instead of using a string directly
- only use sentinel errors when it has to be checked using `errors.Is`
- replace all usage of these sentinel errors in `fmt.Errorf` with direct strings that were in the sentinel error
- exclude the sentinel error definition requirement from .golangci.yml
- update unit tests to use ContainersError instead of ErrorIs so it stays as a "not a change detector test" without requiring a sentinel error
 2026-05-02 03:29:46 +00:00
Quentin McGaw 1d29f1f517 hotfix(pmtud): only set MSS on non-local VPN routes 2026-03-10 11:51:59 +00:00
Quentin McGaw 069cde8a85 hotfix(pmtud): set mss on all VPN routes 
- fix behavior for OpenVPN splitting default route in multiple routes
- fix behavior for Wireguard if user specifies AllowedIPs
 2026-03-08 23:27:04 +00:00
Quentin McGaw be92aa2ac4 Path MTU discovery fixes and improvements (#3109) 
- Existing option `WIREGUARD_MTU` , if set, disables PMTUD and is used
- New option `PMTUD_ICMP_ADDRESSES=1.1.1.1,8.8.8.8` and `PMTUD_TCP_ADDRESSES=1.1.1.1:443,8.8.8.8:443`
- ICMP PMTUD now targets external-by-default IP addresses
- New TCP PMTUD (binary search only) as a second MTU confirmation and fallback mechanism.
- Force set TCP MSS to MTU - IP header - TCP base header - "magic 20 bytes" 🎆
- Fix #3108
 2026-02-14 19:40:34 -05:00
Quentin McGaw facc6df3be chore(all): replace netlink library for more flexibility (#3107) 2026-01-27 01:11:39 -08:00
Quentin McGaw fe3d4a94d4 chore(all): make code compilable for other platforms than Linux 2026-01-24 17:56:10 +00:00
Quentin McGaw fba60af772 fix(wireguard): fix detection of kernelspace wireguard 2026-01-20 21:39:30 +00:00
Quentin McGaw 842b9004da chore(routing): remove redundant rule ip rule in error messages 2024-11-07 20:19:24 +00:00
Quentin McGaw 3dfb43e117 chore(netlink): debug log ip rule commands in netlink instead of routing package 2024-10-19 12:43:26 +00:00
Quentin McGaw 76a4bb5dc3 chore: use gofumpt for code formatting 2024-10-11 19:27:29 +00:00
Quentin McGaw abe9dcbe33 chore(lint): add new linters and update codebase 
- add canonicalheader
- add copyloopvar
- add fatcontext
- add intrange
 2024-10-11 18:28:00 +00:00
Quentin McGaw 01fa9934bc hotfix(routing): detect vpn local gateway with new routes listing 2024-08-25 07:01:33 +00:00
Quentin McGaw 540acc915d chore(deps): upgrade vishvananda/netlink from v1.2.1-beta.2 to v1.2.1 2024-08-23 13:46:09 +00:00
Quentin McGaw 7bc2972b27 feat(perfectprivacy): port forwarding support (#2378) 2024-07-30 22:00:26 +02:00
Quentin McGaw 39ae57f49d fix(routing): add outbound subnets routes only for matching ip families 2023-07-28 07:24:26 +00:00
Quentin McGaw 76a92b90e3 fix(routing): VPNLocalGatewayIP Wireguard support 2023-06-28 14:23:34 +00:00
Quentin McGaw ea1991496e hotfix(routing): remove debug prints 2023-06-08 22:44:08 +00:00
Quentin McGaw 4675572328 hotfix(routing): change main table from 0 to 254 2023-06-08 20:03:07 +00:00
Quentin McGaw 412921fc1f hotfix(routing): ignore non-main table for routes 
- When searching for default routes
- When searching for local networks
 2023-06-08 19:50:42 +00:00
Quentin McGaw 9b39a301a8 chore(routing): remove unused VPNDestinationIP 2023-06-08 09:17:27 +00:00
Quentin McGaw cade2b99bf chore(routing): unexport IPIsPrivate as ipIsPrivate 2023-06-08 09:14:17 +00:00
Quentin McGaw 40cdb4f662 fix(netlink): RouteList list routes from all tables 
- Do not filter by link anymore
- IPv6 detection simplified
 2023-06-08 09:12:46 +00:00
Quentin McGaw 38ddcfa756 chore(netlink): define own types with minimal fields 
- Allow to swap `github.com/vishvananda/netlink`
- Allow to add build tags for each platform
- One step closer to development on non-Linux platforms
 2023-05-29 06:44:58 +00:00
Quentin McGaw 9d1a0b60a2 fix(netlink): use AddrReplace instead of AddrAdd 2023-05-28 10:22:51 +00:00
Quentin McGaw 3100cc1e5e hotfix(routing): unmap ipv4-in-ipv6 when converting 2023-05-22 08:03:52 +00:00
Quentin McGaw eed62fdc6d fix(routing): ip family match function 
- ipv4-in-ipv6 should match ipv6
 2023-05-22 06:01:52 +00:00
Quentin McGaw d2b8dbcb10 chore(routing): remove old assigned ip debug log 2023-05-22 06:01:07 +00:00
Quentin McGaw 90d43856ef fix(routing): net.IPNet to netip.Prefix conversion 2023-05-22 06:00:24 +00:00
Quentin McGaw 0a29337c3b chore(all): replace net.IP with netip.Addr 2023-05-20 20:06:12 +00:00
Quentin McGaw d21a943779 chore(all): use netip.Prefix for ip networks 
- remove usage of `net.IPNet`
- remove usage of `netaddr.IPPrefix`
 2023-04-27 13:42:50 +00:00
Quentin McGaw 801a7fd6fe chore(routing): simplify default routes for loop 2023-04-27 10:41:18 +00:00
Quentin McGaw 80053f6b7d feat(routing): log default route family as string 2023-04-27 10:41:03 +00:00
Kyle Manna fc8a2abb8f fix(routing): add policy rules for each destination local networks (#1493) 2023-04-11 09:03:07 -07:00
Quentin McGaw 4ba159e483 chore(all): review error wrappings 
- remove repetitive `cannot` and `failed` prefixes
- rename `unmarshaling` to `decoding`
 2023-04-01 16:57:18 +00:00
EkilDeew 875690ab18 feat(network): enable ipv6 connection and tunneling (#1114) 
Co-authored-by: Quentin McGaw <quentin.mcgaw@gmail.com>
 2022-09-13 17:18:10 -07:00
Quentin McGaw aa53436e56 chore(lint): upgrade golangci-lint to v1.49.0 
- Add linter `interfacebloat` and fix code issues
- Add linter `reassign`
- Remove deprecated linter `nosnakecase`
 2022-08-24 21:48:24 +00:00
Quentin McGaw 6826b05d58 chore(all): remove all package comments 2022-07-02 20:58:43 +00:00
Quentin McGaw 578ef768ab chore(all): return concrete types, accept interfaces 
- Remove exported interfaces unused locally
- Define interfaces to accept arguments
- Return concrete types, not interfaces
 2022-06-11 01:34:30 +00:00
Quentin McGaw e2ba2f82c0 feat(routing): add IPv6 inbound routing 2022-03-13 19:36:45 +00:00
Quentin McGaw ace5e97e68 fix(routing): only set routes for IPv4 default routes 2022-03-13 14:40:17 +00:00
Quentin McGaw 82d42297e8 chore(routing): remove unused LocalSubnetGetter 2022-03-13 13:32:19 +00:00
Quentin McGaw f99d5e8656 feat(firewall): use all default routes 
- Accept output traffic from all default routes through VPN interface
- Accept output from all default routes to outbound subnets
- Accept all input traffic on ports for all default routes
- Add IP rules for all default routes
 2022-03-13 13:26:33 +00:00
Quentin McGaw 920ad8b54b chore(errors): review all errors in codebase 2022-02-20 02:58:16 +00:00
Quentin McGaw cfa3bb3b64 feat(internal/wireguard): opportunistic kernelspace 
- Auto detect if kernelspace implementation is available
- Fallback to Go userspace implementation if kernel is not available
 2021-12-14 11:03:36 +00:00
Quentin McGaw (desktop) cf95692b93 Maint: package local narrow Logger interfaces 2021-09-23 17:06:09 +00:00
Quentin McGaw (desktop) 87f4b9e422 Docs: update maintenance document 2021-09-11 15:29:29 +00:00
Quentin McGaw (desktop) 501ae2741b Fix: FIREWALL_OUTBOUND_SUBNETS ip rules 2021-08-26 15:46:19 +00:00
Quentin McGaw (desktop) 5b75635386 Maint: fix rules equality check for nil networks 2021-08-26 14:33:51 +00:00
Quentin McGaw (desktop) 2901db3cf3 Maint: internal/routing IP rules functions 
- Take in `src` as `*net.IPNet` instead of `net.IP`
- Take `dst` IP network
- Debug logged `ip rule` dynamically built
- Add unit tests for all IP rules functions
 2021-08-26 13:59:43 +00:00
Quentin McGaw (desktop) 6c2a3e36b5 Maint: rename outboundsubnets.go to outbound.go 2021-08-25 19:09:42 +00:00