[Bug libc/17363] New: getnetgrent returns a truncated list if one of the netgroups in its tree is empty

[Bug libc/17363] New: getnetgrent returns a truncated list if one of the netgroups in its tree is empty

[siddhesh at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=17363

            Bug ID: 17363
           Summary: getnetgrent returns a truncated list if one of the
                    netgroups in its tree is empty
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
          Assignee: siddhesh at redhat dot com
          Reporter: siddhesh at redhat dot com
                CC: drepper.fsp at gmail dot com

getnetgrent does not return the complete list of entries if one of the
netgroups in its definition tree is empty.

How Reproducible:

Always.

Steps to Reproduce:

Put the following in /etc/netgroup:

netgr gr1 gr2 gr3
gr1 (,u1,)
gr2 (,u2,)
gr3 gr5 gr6
gr5
gr6 (,u3,)

$ getent netgroup netgr

Actual Results:

netgr                 ( ,u3,)

Expected Result:

netgr                 ( ,u1,) ( ,u2,) ( ,u3,)

Additional information:

This works correctly with nscd enabled.

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[Bug libc/17363] getnetgrent returns a truncated list if one of the netgroups in its tree is empty

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=17363

--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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The branch, master has been updated
       via  58b930ae216bfa98cd60212b954b07b9963d6d04 (commit)
      from  71ae86478edc7b21872464f43fb29ff650c1681a (commit)

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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58b930ae216bfa98cd60212b954b07b9963d6d04

commit 58b930ae216bfa98cd60212b954b07b9963d6d04
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date:   Wed Sep 10 21:51:50 2014 +0530

    Return failure in getnetgrent only when all netgroups have been searched
(#17363)

    The netgroups lookup code fails when one of the groups in the search
    tree is empty.  In such a case it only returns the leaves of the tree
    after the blank netgroup.  This is because the line parser returns a
    NOTFOUND status when the netgroup exists but is empty.  The
    __getnetgrent_internal implementation needs to be fixed to try
    remaining groups if the current group is entry.  This patch implements
    this fix.  Tested on x86_64.

        [BZ #17363]
        * inet/getnetgrent_r.c (__internal_getnetgrent_r): Try next
        group if the current group is empty.

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

Summary of changes:
 ChangeLog            |    6 ++++++
 NEWS                 |    6 ++++++
 inet/getnetgrent_r.c |    5 ++++-
 3 files changed, 16 insertions(+), 1 deletions(-)

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[Bug libc/17363] getnetgrent returns a truncated list if one of the netgroups in its tree is empty

[siddhesh at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=17363

Siddhesh Poyarekar <siddhesh at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #2 from Siddhesh Poyarekar <siddhesh at redhat dot com> ---
Fixed in master.

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