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From: Florian Weimer via Libc-alpha <libc-alpha@sourceware.org>
To: libc-alpha@sourceware.org
Subject: [PATCH 17/30] resolv: Remove unnecessary res_isourserver_p call from send_dg
Date: Thu, 08 Jul 2021 17:04:06 +0200	[thread overview]
Message-ID: <0166a598b85d22bb17ae3cda350cf93795f0f8fe.1625755446.git.fweimer@redhat.com> (raw)
In-Reply-To: <cover.1625755445.git.fweimer@redhat.com>

As the comment indicates, the check is unnecessary due to the way the
UDP socket is set up.
---
 resolv/res_send.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/resolv/res_send.c b/resolv/res_send.c
index 77d6835e1a..b6139c7d62 100644
--- a/resolv/res_send.c
+++ b/resolv/res_send.c
@@ -1343,12 +1343,6 @@ send_dg(res_state statp,
 			return close_and_return_error (statp, resplen2);
 		}
 
-		/* Paranoia check.  Due to the connected UDP socket,
-		   the kernel has already filtered invalid addresses
-		   for us.  */
-		if (!res_ourserver_p(statp, &from))
-		  goto wait;
-
 		/* Check for the correct header layout and a matching
 		   question.  */
 		int matching_query = 0; /* Default to no matching query.  */
-- 
2.31.1



  parent reply	other threads:[~2021-07-08 15:16 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-08 14:59 [PATCH v2 00/30] nss_dns move into libc Florian Weimer via Libc-alpha
2021-07-08 14:59 ` [PATCH 01/30] socket: Add hidden prototype for setsockopt Florian Weimer via Libc-alpha
2021-07-08 18:02   ` Adhemerval Zanella via Libc-alpha
2021-07-15  4:59   ` Carlos O'Donell via Libc-alpha
2021-07-08 14:59 ` [PATCH 02/30] resolv: Deprecate legacy interfaces in <resolv.h> Florian Weimer via Libc-alpha
2021-07-08 18:32   ` Adhemerval Zanella via Libc-alpha
2021-07-15  4:59   ` Carlos O'Donell via Libc-alpha
2021-07-08 14:59 ` [PATCH 03/30] resolv: Sort Makefile routines and Versions lexicographically Florian Weimer via Libc-alpha
2021-07-08 18:33   ` Adhemerval Zanella via Libc-alpha
2021-07-15  4:59   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:00 ` [PATCH 04/30] nss_dns: Do not use deprecated packet parsing functions Florian Weimer via Libc-alpha
2021-07-15  5:00   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:00 ` [PATCH 05/30] resolv: Move ns_name_ntop to its own file and into libc Florian Weimer via Libc-alpha
2021-07-15  5:00   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:00 ` [PATCH 06/30] resolv: Move ns_name_unpack " Florian Weimer via Libc-alpha
2021-07-15  5:00   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:00 ` [PATCH 07/30] resolv: Move ns_name_skip " Florian Weimer via Libc-alpha
2021-07-15  5:00   ` Carlos O'Donell via Libc-alpha
2021-07-15  6:53     ` Florian Weimer via Libc-alpha
2021-07-08 15:00 ` [PATCH 08/30] resolv: Move ns_name_uncompress into " Florian Weimer via Libc-alpha
2021-07-15  5:00   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:01 ` [PATCH 09/30] resolv: Move ns_name_pton " Florian Weimer via Libc-alpha
2021-07-15  5:00   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:01 ` [PATCH 10/30] resolv: Move ns_name_pack " Florian Weimer via Libc-alpha
2021-07-15  5:00   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:01 ` [PATCH 11/30] resolv: Move ns_name_compress " Florian Weimer via Libc-alpha
2021-07-15  5:01   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:02 ` [PATCH 12/30] resolv: Move dn_expand to " Florian Weimer via Libc-alpha
2021-07-15  5:01   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:02 ` [PATCH 13/30] resolv: Move _getlong, _getshort, __putlong, __putshort to res-putget Florian Weimer via Libc-alpha
2021-07-15  5:01   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:03 ` [PATCH 14/30] resolv: Move dn_comp to its own file and into libc Florian Weimer via Libc-alpha
2021-07-15  5:01   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:03 ` [PATCH 15/30] resolv: Move dn_skipname " Florian Weimer via Libc-alpha
2021-07-15  5:01   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:03 ` [PATCH 16/30] resolv: Rename res_comp.c to res-name-checking.c and move " Florian Weimer via Libc-alpha
2021-07-15  5:01   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:04 ` Florian Weimer via Libc-alpha [this message]
2021-07-15  5:01   ` [PATCH 17/30] resolv: Remove unnecessary res_isourserver_p call from send_dg Carlos O'Donell via Libc-alpha
2021-07-08 15:04 ` [PATCH 18/30] resolv: Move __res_get_nsaddr to its own file and into libc Florian Weimer via Libc-alpha
2021-07-15  5:01   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:05 ` [PATCH 19/30] resolv: Move res_isourserver to its own file and reformat to GNU style Florian Weimer via Libc-alpha
2021-07-15  5:01   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:05 ` [PATCH 20/30] resolv: Move ns_makecanon into its own file, and into libc Florian Weimer via Libc-alpha
2021-07-15  5:01   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:05 ` [PATCH 21/30] resolv: Move ns_samename " Florian Weimer via Libc-alpha
2021-07-15  5:01   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:05 ` [PATCH 22/30] resolv: Move res_nameinquery to its own file " Florian Weimer via Libc-alpha
2021-07-15  5:01   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:06 ` [PATCH 23/30] resolv: Move res_queriesmatch " Florian Weimer via Libc-alpha
2021-07-15  5:02   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:06 ` [PATCH 24/30] resolv: Move __res_context_hostalias into " Florian Weimer via Libc-alpha
2021-07-15  5:02   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:06 ` [PATCH 25/30] resolv: Move res_hostalias into its own file, along with hostalias Florian Weimer via Libc-alpha
2021-07-15  5:02   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:06 ` [PATCH 26/30] resolv: Move res_send, res_nsend into libc Florian Weimer via Libc-alpha
2021-07-15  5:02   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:06 ` [PATCH 27/30] resolv: Move res_mkquery, res_nmkquery " Florian Weimer via Libc-alpha
2021-07-15  5:02   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:07 ` [PATCH 28/30] resolv: Move res_query functions " Florian Weimer via Libc-alpha
2021-07-15  5:02   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:07 ` [PATCH 29/30] resolv: Move nss_dns " Florian Weimer via Libc-alpha
2021-07-15  5:02   ` Carlos O'Donell via Libc-alpha
2021-07-08 15:07 ` [PATCH 30/30] nss: Directly load nss_dns, without going through dlsym/dlopen Florian Weimer via Libc-alpha
2021-07-08 15:42   ` Florian Weimer via Libc-alpha
2021-07-15  5:02   ` Carlos O'Donell via Libc-alpha
2021-07-15  7:09     ` Florian Weimer via Libc-alpha
2021-07-15 12:21       ` Carlos O'Donell via Libc-alpha
2021-07-15  4:58 ` [PATCH v2 00/30] nss_dns move into libc Carlos O'Donell via Libc-alpha
  -- strict thread matches above, loose matches on Subject: below --
2021-07-02 18:47 [PATCH 00/30] Move nss_dns " Florian Weimer via Libc-alpha
2021-07-02 18:49 ` [PATCH 17/30] resolv: Remove unnecessary res_isourserver_p call from send_dg Florian Weimer via Libc-alpha

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