[Bug network/16469] getaddrinfo incorrectly accepts two trailing dots

["cvs-commit at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=16469

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The branch, lxoliva/getaddrinfo has been created
        at  d4139de660d1f25ad34ab023b13ec3cad78986d2 (commit)

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d4139de660d1f25ad34ab023b13ec3cad78986d2

commit d4139de660d1f25ad34ab023b13ec3cad78986d2
Author: Alexandre Oliva <aoliva@redhat.com>
Date:   Sun Jun 1 16:51:57 2014 -0300

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=91bbe1798129768e77cffecf324400fa4d31ad10

commit 91bbe1798129768e77cffecf324400fa4d31ad10
Author: Alexandre Oliva <aoliva@redhat.com>
Date:   Sun Jun 1 16:51:44 2014 -0300

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bc3ac8b1779e8b180762841048601b90f469d6e5

commit bc3ac8b1779e8b180762841048601b90f469d6e5
Author: Alexandre Oliva <aoliva@redhat.com>
Date:   Sun Jun 1 16:48:15 2014 -0300

    for  ChangeLog

        PR network/9981
        * sysdeps/posix/getaddrinfo.c (getaddrinfo): Do not sort
        AI_PASSIVE addresses.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7875573cbe52eabe78f1cab91c8a046d0bd5ed5a

commit 7875573cbe52eabe78f1cab91c8a046d0bd5ed5a
Author: Alexandre Oliva <aoliva@redhat.com>
Date:   Sat Sep 27 07:13:20 2014 -0300

    drop address family conversions from /etc/hosts parser

    for ChangeLog

        * nss/nss_files/files-hosts.c (LINE_PARSER): Drop all address
        family conversions.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=393207b6a74aeed6227d88174b8b37e4ee095260

commit 393207b6a74aeed6227d88174b8b37e4ee095260
Author: Alexandre Oliva <aoliva@redhat.com>
Date:   Sat Sep 27 07:13:20 2014 -0300

    drop v4-to-v6 conversions of loopback addresses from /etc/hosts

    for ChangeLog

        * nss/nss_files/files-hosts.c (LINE_PARSER): Drop family
        conversion of loopback addresses from IPv4 to IPv6.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2e8a3341f470d8fa0dce69b8cf83e346a0017ada

commit 2e8a3341f470d8fa0dce69b8cf83e346a0017ada
Author: Alexandre Oliva <aoliva@redhat.com>
Date:   Sat Sep 27 07:13:18 2014 -0300

    drop v6-to-v4 conversions of loopback addresses from /etc/hosts

    for ChangeLog

        * nss/nss_files/files-hosts.c (LINE_PARSER): Drop family
        conversion of loopback addresses from IPv6 to IPv4.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=901aad32edcbd1cfd57ee904ada6dcc56a53b385

commit 901aad32edcbd1cfd57ee904ada6dcc56a53b385
Author: Alexandre Oliva <aoliva@redhat.com>
Date:   Sat Sep 27 07:23:39 2014 -0300

    resolv: skip leading dot in domain to search

    This should only happen if the domain to search is the root,
    represented as . rather than by an empty string.  Skipping it here
    prevents libc_res_nquerydomain from duplicating the trailing dot,
    which would cause the domain name compression to fail.

    for  ChangeLog

        PR 16469
        * resolv/res_query.c (__libc_res_nsearch): Skip leading dot in
        search domain names.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ba878d017e6b65f5d2880ac8262bc68224ee3a53

commit ba878d017e6b65f5d2880ac8262bc68224ee3a53
Author: Alexandre Oliva <aoliva@redhat.com>
Date:   Wed Oct 15 03:52:43 2014 -0300

    don't drop trailing dot in res_nquerydomain(..., name, NULL, ...)

    If we drop it here, we will fail to detect a duplicate trailing dot
    later on.  Retaining, OTOH, has no ill effects whatsoever, and it even
    saves us the trouble of copying the domain name minus the trailing
    dot, like we used to do.

    for ChangeLog

        PR 16469
        * resolv/res_query.c (__libc_res_nquerydomain): Retain
            trailing dot.
        * NEWS: Fixes 16469.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ff9a1b7dce77c43235e11cda103698078cf44a45

commit ff9a1b7dce77c43235e11cda103698078cf44a45
Author: Alexandre Oliva <aoliva@redhat.com>
Date:   Mon Nov 3 18:51:40 2014 -0200

    Do not continue in nss_db_getservbyname

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6286965b02069369beeb893833c34f01dc919ffb

commit 6286965b02069369beeb893833c34f01dc919ffb
Author: Alexandre Oliva <aoliva@redhat.com>
Date:   Mon Nov 3 18:51:40 2014 -0200

    create all sockets with SOCK_CLOEXEC

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c83b8a87170cda275a5c591fe2a1d3657d2a6711

commit c83b8a87170cda275a5c591fe2a1d3657d2a6711
Author: Alexandre Oliva <aoliva@redhat.com>
Date:   Mon Nov 3 18:51:39 2014 -0200

    introduce internal function to ease poll retry with timeout

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