getifaddrs() can return entries where ifa_addr is NULL. Check for this
before accessing anything in ifa_addr.
ok claudio@

Add missing $OpenBSD$ tags.

Trivial changes from the upstream(IIJ).
- fix styles, compile errors in some ifdef condition and compiler warnings.
- delete rtev* that was to work around routing socket overflows.
- delete is_ctr

Trivial changes from the upstream(IIJ).
- fix styles, compile errors in some ifdef condition and compiler warnings.
- delete rtev* that was to work around routing socket overflows.
- delete is_ctrl argument from l2tp_ctrl_send_packet(). It's not used.
- tweak returning the exit status.
- use IPV6_IPSEC_POLICY for IPv6 socket.
(though npppd cannot set up a ipsec policy to the socket yet.)

ok mcbride henning

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Fix comments and styles. Delete unused variables and labels.
No binary changes.

ok mcbride henning

Translate Japanese comments or labels into English. Translation was
done by IIJ people (MATSUI Yoshihiro, SAITOH Masanobu, Tomoyuki Sahara),
yuo@ and myself.

This diff also includes
- delete part

Translate Japanese comments or labels into English. Translation was
done by IIJ people (MATSUI Yoshihiro, SAITOH Masanobu, Tomoyuki Sahara),
yuo@ and myself.

This diff also includes
- delete part of useless comments, correct spelling.
- add man page of npppdctl.

There is no functional change.

show more ...

Initial import npppd(8). npppd is a new PPP daemon that handles many
ppp sessions as a server. It supports L2TP, PPTP and PPPoE as
tunneling.

ok mcbride@ dlg@ deraadt@ reyk@.