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dev/gg/adns-1.0.lha

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Short:Resolver library for C (and C++) programs
Author:Ian Jackson, Tony Finch, & Diego Casorran
Uploader:dcr8520 amiga org
Type:dev/gg
Version:1.0
Requires:gcc
Architecture:m68k-amigaos
Date:2002-09-15
Download:http://aminet.net/dev/gg/adns-1.0.lha - View contents
Readme:http://aminet.net/dev/gg/adns-1.0.readme
Downloads:1788
----------------------------------------------------------------------------

        This  package  comes  from      http://Amiga.SourceForge.net

----------------------------------------------------------------------------

                                   GNU adns
                                       
   Advanced, easy to use, asynchronous-capable DNS client library and
   utilities.
   
   adns is a resolver library for C (and C++) programs, and a collection
   of useful DNS resolver utilities.
   
C library

   In contrast with the standard interfaces, gethostbyname et al and
   libresolv, it has the following features:
     * It is reasonably easy to use for simple programs which just want
       to translate names to addresses, look up MX records, etc.
     * It can be used in an asynchronous, non-blocking, manner. Many
       queries can be handled simultaneously.
     * Responses are decoded automatically into a natural representation
       for a C program - there is no need to deal with DNS packet
       formats.
     * Sanity checking (eg, name syntax checking, reverse/forward
       correspondence, CNAME pointing to CNAME) is performed
       automatically.
     * Time-to-live, CNAME and other similar information is returned in
       an easy-to-use form, without getting in the way.
     * There is no global state in the library; resolver state is an
       opaque data structure which the client creates explicitly. A
       program can have several instances of the resolver.
     * Errors are reported to the application in a way that distinguishes
       the various causes of failure properly.
     * Understands conventional resolv.conf, but this can overridden by
       environment variables.
     * Flexibility. For example, the application can tell adns to: ignore
       environment variables (for setuid programs), disable hostname
       syntax sanity checks to return arbitrary data, override or ignore
       resolv.conf in favour of supplied configuration, etc.
     * Believed to be correct ! For example, will correctly back off to
       TCP in case of long replies or queries, or to other nameservers if
       several are available. It has sensible handling of bad responses
       etc.
       
DNS utility programs

   adns also comes with a number of utility programs for use from the
   command line and in scripts:
     * adnslogres is a much faster version of Apache's logresolv program.
     * adnsresfilter is a filter which copies its input to its output,
       replacing IP addresses by the corresponding names, without unduly
       delaying the output. For example, you can usefully pipe the output
       of netstat -n, tcpdump -ln, and the like, into it.
     * adnshost is a general-purpose DNS lookup utility which can be used
       easily in from the command line and from shell scripts to do
       simple lookups. In a more advanced mode it can be used as a
       general-purpose DNS helper program for scripting languages which
       can invoke and communicate with subprocesses. See the [1]adnshost
       usage message for a summary of its capabilities.
       
Documentation

   I'm afraid there is no manual yet. However, competent C programmers
   should be able to use the library based on the [2]commented adns.h
   header file, and the usage messages for the programs should be
   sufficient.
   
Feedback

   I'd be pleased if you would let me know if you're using my library in
   your project, and what you think of it.
   
   If you are subscribed to adns-discuss please send feedback, including
   bug reports, there; otherwise send mail to
   adns-bugreports at chiark.greenend.org.uk. If you'd prefer that your
   message wasn't forwarded to the adns-bugreports list, send it to
   adns-maint at chiark.greenend.org.uk.
   
Mailinglists

   I have set up mailinglists adns-announce and adns-discuss. The
   announcements list is moderated and will contain only announcements of
   important bugs, new versions, etc. The bug reports address mentioned
   above is also a mailing list; feel free to subscribe to it.
   
   There are [3]archives and subscription web pages, or you can subscribe
   by sending mail containing the word `subscribe' to
   adns-announce-REQUEST at chiark.greenend.org.uk or
   adns-discuss-REQUEST at chiark.greenend.org.uk.
   
Download

   Available for download from [4]chiark.greenend.org.uk are:
     * The [5]current release as a gzipped tarfile.
     * [6]adns.h API header file with comments, and [7]usage message for
       adnshost (currently there is no manual, sorry).
     * All versions released so far are also available via [8]anonymous
       FTP and [9]HTTP,
     * A mirror of my CVS repository is available via rsync from
       rsync.chiark.greenend.org.uk::ftp/users/ian/cvs-pub/adns (use FTP
       first to find your way around), or via [10]cvsweb.
       
   adns is also available from the [11]GNU Project FTP servers and their
   [12]mirrors.
   
Technical note

   adns requires a real nameserver like [13]BIND or [14]Dents running on
   the same system or a nearby one, which must be willing to provide
   `recursive service'. I.e., adns is a `stub resolver'. All properly
   configured UN*X and GNU systems will already have such nameserver(s);
   they are usually listed in /etc/resolv.conf.
   
Copyright and licensing

   adns is Copyright 1997-2000 Ian Jackson, Copyright 1999-2000 Tony
   Finch, and Copyright (C) 1991 Massachusetts Institute of Technology.
   
   adns is free software; you can redistribute it and/or modify it under
   the terms of the GNU General Public License as published by the Free
   Software Foundation; either version 2 of the License, or (at your
   option) any later version.
   
   This program and documentation is distributed in the hope that it will
   be useful, but without any warranty; without even the implied warranty
   of merchantability or fitness for a particular purpose. See the
   [15]GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with adns, or one should be available above; if not, write to
   the [16]Free Software Foundation, 59 Temple Place - Suite 330, Boston,
   MA 02111-1307, USA, or email adns-maint at chiark.greenend.org.uk.
     _________________________________________________________________
   
   [17]Ian Jackson / [18]adns-maint at chiark.greenend.org.uk; more [19]free
   software by me.
   
   [20]GNU home page; [21]chiark home page; [22]site or mirror home page
   
   This web page is Copyright (C)1996-2000 Ian Jackson. See the
   [23]Copyright/acknowledgements.
   
   Use any browser - [24]Campaign for a non-browser-specific WWW

References

   1. http://www.chiark.greenend.org.uk/~ian/adns/adnshost.txt
   2. http://www.chiark.greenend.org.uk/~ian/adns/adns.h.txt
   3. http://www.chiark.greenend.org.uk/mailman/listinfo
   4. http://www.chiark.greenend.org.uk/~ian/adns/
   5. http://www.chiark.greenend.org.uk/~ian/adns/adns.tar.gz
   6. http://www.chiark.greenend.org.uk/~ian/adns/adns.h.txt
   7. http://www.chiark.greenend.org.uk/~ian/adns/adnshost.txt
   8. ftp://ftp.chiark.greenend.org.uk/users/ian/adns/
   9. http://www.chiark.greenend.org.uk/~ian/adns/ftp/
  10. http://www.chiark.greenend.org.uk/ucgi/~ijackson/cvsweb/adns/
  11. http://www.gnu.org/
  12. http://www.gnu.org/order/ftp.html
  13. http://www.isc.org/view.cgi?/products/BIND/index.phtml
  14. http://www.dents.org/
  15. http://www.chiark.greenend.org.uk/~ian/COPYING.txt
  16. http://www.fsf.org/
  17. http://www.chiark.greenend.org.uk/
  18. mailto:adns-maint at chiark.greenend.org.uk
  19. http://www.chiark.greenend.org.uk/~ian/software/
  20. http://www.gnu.org/
  21. http://www.chiark.greenend.org.uk/
  22. file://localhost/
  23. http://www.chiark.greenend.org.uk/~ian/sw-www-copy.html
  24. http://www.anybrowser.org/campaign/



·············································A·r·c·h·i·v·e··C·o·n·t·e·n·t·s··
LhA Freeware Version 2.2
Copyright © 1991-94 by Stefan Boberg.
Copyright © 1998-2000 by Jim Cooper and David Tritscher.

Listing of archive 'adns-1.0.lha':
Original  Packed Ratio    Date     Time    Name
-------- ------- ----- --------- --------  -------------
  296960  121974 58.9% 29-Jun-02 11:16:04  !-to-gg.tar
   13021    5558 57.3% 17-Sep-00 14:16:22  changelog
   18007    7009 61.0% 09-May-99 15:25:10  COPYING
    5648    2382 57.8% 17-Sep-00 00:45:54  GPL-vs-LGPL
    7685    3120 59.4% 17-Sep-00 14:09:22  README
    8361    3383 59.5% 17-Sep-00 14:09:22  README.html
      69      63  8.6% 31-Dec-02 23:59:58  source
     432     276 36.1% 17-Sep-00 00:24:24  TODO
-------- ------- ----- --------- --------
  350183  143765 58.9% Operation successful.




_____________________________
.Readme created with:  MRea  \


Contents of dev/gg/adns-1.0.lha
 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]               121974  296960  41.1% -lh5- 937f Jun 29  2002 !-to-gg.tar
[generic]                 5558   13021  42.7% -lh5- b166 Sep 17  2000 changelog
[generic]                 7009   18007  38.9% -lh5- fa00 May  9  1999 copying
[generic]                 2382    5648  42.2% -lh5- 35de Sep 17  2000 GPL-vs-LGPL
[generic]                 3120    7685  40.6% -lh5- 9354 Sep 17  2000 readme
[generic]                 3383    8361  40.5% -lh5- a090 Sep 17  2000 README.html
[generic]                   63      69  91.3% -lh5- 4a8f Dec 31  2002 source
[generic]                  276     432  63.9% -lh5- e16c Sep 17  2000 todo
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         8 files  143765  350183  41.1%            Sep 15  2002

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