libcaps-ng http://http://people.redhat.com/sgrubb/libcap-ng/
Capabilities functionality is optional.
No extra dependencies.

refs #1556

Threads now drop all privileges.

refs #1556

refs #1556

Children inherit nothing.

refs #1556

fixes #1572

refs #1540

Receive shares activity timeout, when the timeout
is reached and no new data is recevied,
connection is terminated.

refs #1540

refs #1540

TODO:
* watchdog timers for XFR connections
* prevent sweeping connections transferred to XFR
  such a connection should be removed from TCP fdset and enqueued in XFR fdset

refs #1540

refs #1540

Watchdog may be set with fdset_set_watchdog() and inactive connections
may be sweeped with fdset_sweep() and custom handler.
fdset_set_watchdog() should be used after connection activity as it
updates time stamp.

refs #1540

refs #1350, #1539

- Fixed wrong wc checks.
- Added transtive wc checking, some code might be useless (wc pointing to itself)

refs #1457

refs #1560

- Added check for NULL chopped dname.

Fixes #1563

refs #1551

- Added check for CNAME wildcards pointing to themselves.
- CNAME/DNAME checks not optional now.
- DNAME node must not have children + removed unnecassary check.

Refs #1557 @5h

TODO:
* OpenBSD posix_memalign() is broken, Slab allocator is disabled.

refs #1551

- String is now not NULL terminated.
- Separate length is used.

refs #1547

refs #1547

Config example: "nsid 0xdeadbeef;"
Ends with '\0' so length can be told from strlen().

refs #1547

- the length of RDATA was being read in wrong endian.

- Added nsid to config
- Addind of NSID to nameserver structure each time conf reloads
- Adding of NSID options to response OPT RR
- according changes in tests

refs #1547

refs #1464

 - Left chop of root returns NULL
 - If the node inserted to zone is owned by root, no chain up to the origin
   is made.

Closes #1548

 - required by pseudo-random generator.

fixes #1464

Also, it takes place after binding to sockets and before zonedb loading.
Journals are created under the specified user.

refs #1464

TODO: May be a problem with newly created journals under privileged user.

refs #1464, fixes #1352

refs #1464

- Was causing errors when string was 1 byte long.