To allow us to get rid of /etc/networks, make getnetby*(3)
wrappers around gethostby*_async(3). If you had anything of
importance in /etc/networks, specify it in /etc/hosts instead.
Feedback and OK

To allow us to get rid of /etc/networks, make getnetby*(3)
wrappers around gethostby*_async(3). If you had anything of
importance in /etc/networks, specify it in /etc/hosts instead.
Feedback and OK eric@, OK deraadt@

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Put a common subq pointer in the query struct, rather than one in each
element of the union.

ok gilles@ millert@ krw@

missing breaks

ok jca@ krw@ gilles@

remove bogus includes of err.h

Wrap <asr.h> so internal calls go direct and all the symbols are weak

Hide all unnecessary asr / resolver related API with _ prefixes.
direction & ok guenther

fix a possible off-by-one when reading /etc/hosts if it doesn't end
with a newline.

ok jca@

Fix a NULL deref when getting an actual result for an invalid hostname
in gethostbyname(). Similar fix for getnetbyname().

ok deraadt@ daniel@ jca@

When fopen()ing internal to libc (the API doesn't support the use
of the resulting FILE *), then pass fopen() the 'e' mode letter to
mark it close-on-exec.

ok miod@

Use _PATH_NETWORKS for "/etc/networks"

ok miod@

Make queries using the search list for hostname lookups fail with
NO_DATA/EAI_NODATA when the hostname param is an empty string.
So far, they were using the entries in the search list with no
additio

Make queries using the search list for hostname lookups fail with
NO_DATA/EAI_NODATA when the hostname param is an empty string.
So far, they were using the entries in the search list with no
additional component, which is not really expected.

reported by jsing@ and a few others

ok deraadt@, "makes sense" jsing@

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skip incomplete entries in /etc/hosts and /etc/networks
fix null deref spotted by Seth Hanford, pinpointed by dtucker@

ok florian@

Make the asr API public. Install asr.h to /usr/include.h and manpages.
Include tweaks suggested by mpi@

ok deraadt@

Cleanup and simplify the API to be exposed. Use better names for
structures, functions and defines.

discussed with and ok deraadt@ guenther@

prefix structure names to avoid ambiguity and possible collisions when
the API gets public.

ok deraadt@

Do not restrict chars in dname during label expansion, but validate resulting
hostnames before returning them to the caller.

ok deraadt@

Make some symbols static and prefix all visible symbols with asr_
to prevent collisions with third-party programs.

suggested by sthen@, ok theo@

Do not take external buffers for storing DNS responses in the internal
async API. That is actually useless and it makes the code more
complicated. The required buffers are always allocated when nee

Do not take external buffers for storing DNS responses in the internal
async API. That is actually useless and it makes the code more
complicated. The required buffers are always allocated when needed.

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space cleanup; ok eric

Saner implementation for self-contained hostent and netent, and also
a couple of fixes.

knf

make separate structures for pack and unpack

unused variables

When building dynamic hostent and netent, allocate a single linear buffer to
hold both the structure and the data. The freehostent() and freenetent() API
functions are not needed anymore. While ther

When building dynamic hostent and netent, allocate a single linear buffer to
hold both the structure and the data. The freehostent() and freenetent() API
functions are not needed anymore. While there, ensure that the constructed
addr and alias lists are really NULL terminated.

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same code update and fix as for gethostnamadr_async