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* [Bug libc/10851] New: no fallback to nameserver 0.0.0.0 if /etc/resolv.conf is missing
@ 2009-10-26 17:38 aurelien at aurel32 dot net
2009-10-26 17:39 ` [Bug libc/10851] " aurelien at aurel32 dot net
` (6 more replies)
0 siblings, 7 replies; 11+ messages in thread
From: aurelien at aurel32 dot net @ 2009-10-26 17:38 UTC (permalink / raw)
To: glibc-bugs
Starting with glibc 2.10, there is no fallback to nameserver 0.0.0.0 anymore if
/etc/resolv.conf is missing. This is due to this change:
2008-12-02 Ulrich Drepper <drepper@redhat.com>
* resolv/res_init.c (__res_vinit): Initialize nscount to zero.
This value should be set back to 1 so that the following code is actually useful:
#ifdef USELOOPBACK
statp->nsaddr.sin_addr = inet_makeaddr(IN_LOOPBACKNET, 1);
#else
statp->nsaddr.sin_addr.s_addr = INADDR_ANY;
#endif
statp->nsaddr.sin_family = AF_INET;
statp->nsaddr.sin_port = htons(NAMESERVER_PORT);
--
Summary: no fallback to nameserver 0.0.0.0 if /etc/resolv.conf is
missing
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: libc
AssignedTo: drepper at redhat dot com
ReportedBy: aurelien at aurel32 dot net
CC: glibc-bugs at sources dot redhat dot com
GCC build triplet: x86_64-unknown-linux-gnu
GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu
http://sourceware.org/bugzilla/show_bug.cgi?id=10851
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* [Bug libc/10851] no fallback to nameserver 0.0.0.0 if /etc/resolv.conf is missing
2009-10-26 17:38 [Bug libc/10851] New: no fallback to nameserver 0.0.0.0 if /etc/resolv.conf is missing aurelien at aurel32 dot net
@ 2009-10-26 17:39 ` aurelien at aurel32 dot net
2009-11-08 18:41 ` aurelien at aurel32 dot net
` (5 subsequent siblings)
6 siblings, 0 replies; 11+ messages in thread
From: aurelien at aurel32 dot net @ 2009-10-26 17:39 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From aurelien at aurel32 dot net 2009-10-26 17:38 -------
Created an attachment (id=4322)
--> (http://sourceware.org/bugzilla/attachment.cgi?id=4322&action=view)
Patch to fix the problem
--
http://sourceware.org/bugzilla/show_bug.cgi?id=10851
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* [Bug libc/10851] no fallback to nameserver 0.0.0.0 if /etc/resolv.conf is missing
2009-10-26 17:38 [Bug libc/10851] New: no fallback to nameserver 0.0.0.0 if /etc/resolv.conf is missing aurelien at aurel32 dot net
2009-10-26 17:39 ` [Bug libc/10851] " aurelien at aurel32 dot net
@ 2009-11-08 18:41 ` aurelien at aurel32 dot net
2009-11-09 16:38 ` pasky at suse dot cz
` (4 subsequent siblings)
6 siblings, 0 replies; 11+ messages in thread
From: aurelien at aurel32 dot net @ 2009-11-08 18:41 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From aurelien at aurel32 dot net 2009-11-08 18:41 -------
Created an attachment (id=4369)
--> (http://sourceware.org/bugzilla/attachment.cgi?id=4369&action=view)
New patch
The previous patch does not work in case /etc/resolv.conf exists, but does not
contain a nameserver entry. This new patch also takes that into account.
--
What |Removed |Added
----------------------------------------------------------------------------
Attachment #4322 is|0 |1
obsolete| |
http://sourceware.org/bugzilla/show_bug.cgi?id=10851
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* [Bug libc/10851] no fallback to nameserver 0.0.0.0 if /etc/resolv.conf is missing
2009-10-26 17:38 [Bug libc/10851] New: no fallback to nameserver 0.0.0.0 if /etc/resolv.conf is missing aurelien at aurel32 dot net
2009-10-26 17:39 ` [Bug libc/10851] " aurelien at aurel32 dot net
2009-11-08 18:41 ` aurelien at aurel32 dot net
@ 2009-11-09 16:38 ` pasky at suse dot cz
2009-11-20 8:28 ` pasky at suse dot cz
` (3 subsequent siblings)
6 siblings, 0 replies; 11+ messages in thread
From: pasky at suse dot cz @ 2009-11-09 16:38 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From pasky at suse dot cz 2009-11-09 16:38 -------
See also http://sourceware.org/ml/libc-alpha/2009-02/msg00028.html :(
--
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* [Bug libc/10851] no fallback to nameserver 0.0.0.0 if /etc/resolv.conf is missing
2009-10-26 17:38 [Bug libc/10851] New: no fallback to nameserver 0.0.0.0 if /etc/resolv.conf is missing aurelien at aurel32 dot net
` (2 preceding siblings ...)
2009-11-09 16:38 ` pasky at suse dot cz
@ 2009-11-20 8:28 ` pasky at suse dot cz
2010-08-25 14:48 ` drepper at redhat dot com
` (2 subsequent siblings)
6 siblings, 0 replies; 11+ messages in thread
From: pasky at suse dot cz @ 2009-11-20 8:28 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From pasky at suse dot cz 2009-11-20 08:28 -------
Created an attachment (id=4402)
--> (http://sourceware.org/bugzilla/attachment.cgi?id=4402&action=view)
alternative patch
Oops, I haven't noticed you already implemented a fix; anyway, here's what I've
done independently, somewhat simpler patch. YMMV.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=10851
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* [Bug libc/10851] no fallback to nameserver 0.0.0.0 if /etc/resolv.conf is missing
2009-10-26 17:38 [Bug libc/10851] New: no fallback to nameserver 0.0.0.0 if /etc/resolv.conf is missing aurelien at aurel32 dot net
` (3 preceding siblings ...)
2009-11-20 8:28 ` pasky at suse dot cz
@ 2010-08-25 14:48 ` drepper at redhat dot com
2010-09-02 17:55 ` aurelien at aurel32 dot net
2010-09-14 17:04 ` pasky at suse dot cz
6 siblings, 0 replies; 11+ messages in thread
From: drepper at redhat dot com @ 2010-08-25 14:48 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From drepper at redhat dot com 2010-08-25 14:48 -------
I checked in a different patch.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
http://sourceware.org/bugzilla/show_bug.cgi?id=10851
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* [Bug libc/10851] no fallback to nameserver 0.0.0.0 if /etc/resolv.conf is missing
2009-10-26 17:38 [Bug libc/10851] New: no fallback to nameserver 0.0.0.0 if /etc/resolv.conf is missing aurelien at aurel32 dot net
` (4 preceding siblings ...)
2010-08-25 14:48 ` drepper at redhat dot com
@ 2010-09-02 17:55 ` aurelien at aurel32 dot net
2010-09-14 17:04 ` pasky at suse dot cz
6 siblings, 0 replies; 11+ messages in thread
From: aurelien at aurel32 dot net @ 2010-09-02 17:55 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From aurelien at aurel32 dot net 2010-09-02 17:55 -------
(In reply to comment #5)
> I checked in a different patch.
... but broken what. You forget to set statp->nscount to 1, so it doesn't work.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|FIXED |
http://sourceware.org/bugzilla/show_bug.cgi?id=10851
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* [Bug libc/10851] no fallback to nameserver 0.0.0.0 if /etc/resolv.conf is missing
2009-10-26 17:38 [Bug libc/10851] New: no fallback to nameserver 0.0.0.0 if /etc/resolv.conf is missing aurelien at aurel32 dot net
` (5 preceding siblings ...)
2010-09-02 17:55 ` aurelien at aurel32 dot net
@ 2010-09-14 17:04 ` pasky at suse dot cz
6 siblings, 0 replies; 11+ messages in thread
From: pasky at suse dot cz @ 2010-09-14 17:04 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From pasky at suse dot cz 2010-09-14 17:04 -------
Fixed in Git now for good, hopefully.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution| |FIXED
http://sourceware.org/bugzilla/show_bug.cgi?id=10851
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[parent not found: <bug-10851-131@http.sourceware.org/bugzilla/>]
end of thread, other threads:[~2014-07-01 5:33 UTC | newest]
Thread overview: 11+ messages (download: mbox.gz / follow: Atom feed)
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2009-10-26 17:38 [Bug libc/10851] New: no fallback to nameserver 0.0.0.0 if /etc/resolv.conf is missing aurelien at aurel32 dot net
2009-10-26 17:39 ` [Bug libc/10851] " aurelien at aurel32 dot net
2009-11-08 18:41 ` aurelien at aurel32 dot net
2009-11-09 16:38 ` pasky at suse dot cz
2009-11-20 8:28 ` pasky at suse dot cz
2010-08-25 14:48 ` drepper at redhat dot com
2010-09-02 17:55 ` aurelien at aurel32 dot net
2010-09-14 17:04 ` pasky at suse dot cz
[not found] <bug-10851-131@http.sourceware.org/bugzilla/>
2014-02-16 19:42 ` jackie.rosen at hushmail dot com
2014-05-28 19:42 ` schwab at sourceware dot org
2014-07-01 5:33 ` fweimer at redhat dot com
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