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ba5a7cd3fc3adb79f114cab7c01a950eec28d128
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5 Commits

Author SHA1 Message Date
Red Bear OS ba5a7cd3fc sysctl: add /scheme/netcfg/sysctl tree with ip_forward toggle 
Router gains Rc<Cell<bool>> ip_forward flag (default: true).
When false, forward_packets() returns immediately — no packets forwarded
between interfaces. Security best practice for non-router hosts.

netcfg scheme gains sysctl subtree:
  /scheme/netcfg/sysctl/net/ipv4/ip_forward  (rw: 0 or 1)

Read:  echo /scheme/netcfg/sysctl/net/ipv4/ip_forward  →  1
Write: echo 0 > /scheme/netcfg/sysctl/net/ipv4/ip_forward  (disable)
Restore: echo 1 > /scheme/netcfg/sysctl/net/ipv4/ip_forward

Mirrors Linux /proc/sys/net/ipv4/ip_forward.
Shared via Rc<Cell<bool>> between Router and NetCfgScheme.
 2026-07-08 15:20:21 +03:00
Red Bear OS 2b278390ee tun: wire TUN scheme into event loop + SLAAC RS/RA protocol 
TUN integration:
- Smolnetd gains tun_scheme: TunScheme field and tun_file parameter
- on_tun_scheme_event() handler added (scheme event → poll)
- main.rs: EventSource::TunScheme, subscription, dispatch
- TUN devices can now receive and transmit packets through the netstack

SLAAC (RFC 4862):
- build_router_solicitation(): ICMPv6 Type 133 with source LL address option
- parse_router_advertisement(): ICMPv6 Type 134 with Prefix Information
  option extraction (on-link, autonomous, lifetimes)
- Slacd state machine: Idle → Solicited → Configured
  tick() drives RS retransmit (3 retries, 5s timeout)
  process_ra() extracts autonomous /64 prefixes
- ParsedRa, RaPrefix public structs for integration with IPv6 stack

Reference: Linux 7.1 ndisc_send_rs() / ndisc_router_discovery() /
addrconf_prefix_rcv()
 2026-07-08 13:47:04 +03:00
Red Bear OS bb3e36e4e0 restore: networking stack files from reflog (Phases 1-6) 
Recovered from reflog commits 1c80937e and d0ecc067 after force-push data loss.
Includes: filter/, icmp_error.rs, slaac.rs, bond.rs, bridge.rs, gre.rs, ipip.rs,
qdisc.rs, tun.rs, vlan.rs, vxlan.rs, netfilter.rs, tun.rs, conntrack.rs, nat.rs,
rule.rs, table.rs, redbear-ufw/, dhcpv6d/, netdiag/ — 39 files total.
 2026-07-08 13:27:49 +03:00
Red Bear OS cb1c326645 netcfg: add sockets/list node for active connection count 2026-07-08 09:42:03 +03:00
Red Bear OS dd08b76a39 Red Bear OS base baseline from 0.1.0 pre-patched archive 2026-06-27 09:21:43 +03:00