from Paul B. Henson, ok phessler@

- Nothing seems to free the result of host_dns(), so add host_dns_free() and
call after each query.
- If imsg_add() fails, it frees buf. Avoid subsequently dereferencing the
freed buf in imsg_close().
ok millert@ deraadt@

ok tedu@ deraadt@

floppy. A few drivers are missing, but the world has moved on (the drivers
included are always a work in progress)
Speeds up make release substantially, of course.

nor are they the same size.

generations don't try to change any of the values and break the code.
ok deraadt

unbreak config file address parsing

Match what parse.y expects it to return.
ok millert@

peanuts -- but all work has to start somewhere.

I mirrored from smtpd a little too literally.

(sorry, my other changes were accidentally premature)

Reduces the number of log.c snowflakes by a little, and gives ntpd a
variadic fatal() function to be used later.
ok deraadt@

ok deraadt@

remember to set EACCES in bcrypt_checkpass for hash differences.
the higher level crypt_checkpass function will reset errno to EACCES in
all cases, which is probably the right behavior, but this change gives code
working with the lower level functions the correct errno if they care.

patch from Kinichiro Inoguchi, tested on HP-UX 11.31
ok deraadt@

what's going on.

guenther suggested using thread time, which actually may improve accuracy
if somebody puts this in a threaded program.

suggested by deraadt@ re: more general MIN/MAX cleanups

This avoids a namespace conflict with Solaris build environments.
discussed with deraadt@ and kettenis@

Switch to local definitions where MAX is needed.
discussed with deraadt@

Nothing is done with the return value from ntp_dns, and it already calls
fatal() on failure.
ok deraadt@

ok deraadt@ phessler@

ok jsing@ phessler@ naddy@

ok robert@

discussed with schwarze@

ok aja@

OK jasper

ok deraadt miod

ok miod@

egress group only works if you have a default route; this confused
some people.

from this case where we have a static buffer and cant realloc.
ok phessler, claudio, reyk

use global data. The simplest fix is to only check blowfish passwords,
and implicitly lock out DES passwords.
crypt_checkpass is currently only used in one place, passwd, to verify
the local user's password, so this is probably acceptable.
Gives people a little more time to migrate away from DES before introduing
checkpass into more places.