Move ibuf API from imsg_init.3 to ibuf_add.3

Document all new functions added and adjust examples in imsg_init.3
to follow the new way of handling messages.
OK tb@

The ber_* namespace is used by liblber since time immemorial,
so move our BER API to the unused ober_* prefix to avoid some
breakage in ports.

Problem diagnosed by jmatthew with ber_free() in samba,

The ber_* namespace is used by liblber since time immemorial,
so move our BER API to the unused ober_* prefix to avoid some
breakage in ports.

Problem diagnosed by jmatthew with ber_free() in samba, but
there are many others as pointed out by sthen.

tests & ok rob
ok sthen (who had an almost identical diff for libutil)
"go head hit it" deraadt

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uucplock(3) is incorrectly named in some places, it is actually uu_lock(3)
(more unclear is if anything in ports uses this, as our base no longer does)

Split ber.3 into logical parts. Further tweaking will be done in tree.

Discussed with and ok jmc@, schwarze@, claudio@

The BER API is currently used by ldap, ldapd, ldapctl, ypldap, snmpd, and
snmpctl. Separate copies of ber.[ch] have existed and been maintained in sync
in ldap, ldapd, ypldap and snmpd.

This commit

The BER API is currently used by ldap, ldapd, ldapctl, ypldap, snmpd, and
snmpctl. Separate copies of ber.[ch] have existed and been maintained in sync
in ldap, ldapd, ypldap and snmpd.

This commit moves the BER API into /usr/lib/libutil. All current consumers
already link libutil. ldapd and snmpd regress passes, and release builds.

With help from tb@ and guenther@.

ok deraadt@, tb@

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Make a few internal symbols static and add a Symbols.map version script
to control which symbols are exported from the shared library.

ok guenther@, deraadt@, jca@

for some time now mandoc has not required MLINKS to function
correctly - logically complete that now by removing MLINKS from base;

authors need only to ensure there is an entry in NAME for any funct

for some time now mandoc has not required MLINKS to function
correctly - logically complete that now by removing MLINKS from base;

authors need only to ensure there is an entry in NAME for any function/
util being added. MLINKS will still work, and remain for perl to ease
upgrades;

ok nicm (curses) bcook (ssl)
ok schwarze, who provided a lot of feedback and assistance
ok tb natano jung

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merge ohash into 1 source file, then we can revisit next roadmap items.
ok espie

move the ohash functions into libutil by popular demand.
It's not a standard interface, so it doesn't belong in libc.
I hate duplicating the code in client programs, so do beck@, kettenis@,
schwarze@

move the ohash functions into libutil by popular demand.
It's not a standard interface, so it doesn't belong in libc.
I hate duplicating the code in client programs, so do beck@, kettenis@,
schwarze@, millert@, miod@... and they agree with libutil.

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Add bcrypt_pbkdf, a password based key derivation function using bcrypt.
Technically, it's a slight variant of bcrypt better suited for use as a
pluggable hash with PKCS #5 PBKDF2.
ok djm
(also tweak

Add bcrypt_pbkdf, a password based key derivation function using bcrypt.
Technically, it's a slight variant of bcrypt better suited for use as a
pluggable hash with PKCS #5 PBKDF2.
ok djm
(also tweak pkcs5_pbkdf2() prototype to have consistent types.)

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move pkcs5_pbkdf5 function to libutil so everybody can play with it
ok deraadt jsing matthew

remove leftover NOLINT, WANTLINT, LINTFLAGS, LOBJ vars and lint targets.

ok guenther@

Document isduid(3).

Tweaks from jmc@

ok jmc@ krw@

Factor out DUID identification code so that it can easily be reused.

ok krw@

Move imsg into libutil and add a man page.

Minor bump for libutil.

Previous versions of this diff and man page looked at by various people.

"you should just commit" deraadt

Do not need -DLIBC_SCCS anymore

use WANTLINT= (on all architectures)

passwd.conf has been deprecated since login.conf was imported.
Today it finally dies. Based on a diff from Gabriel Kihlman.

move junk (bad code, terrible APIs) to the only program that uses it;
millert ok

New: fmt_scaled() and scan_scaled() convert to and from "human readable"
or scaled numbers. fmt_scaled, and the format, based on Ken Stailey's
code for "df -h"; scan_scaled is new. Significantly comm

New: fmt_scaled() and scan_scaled() convert to and from "human readable"
or scaled numbers. fmt_scaled, and the format, based on Ken Stailey's
code for "df -h"; scan_scaled is new. Significantly commented on
and reworked by pjanzen@; other comments from millert@. OK pjanzen@.

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re-enable pidfile(3). ok millert@

jakob did not even do a make build, sigh

add pidfile(3) - write a daemon pid file. ok deraadt@, millert@.

MLINK check_expire.3 -> login_check_expire.3

first cut at a man page for login_check_expire()