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fc31-systemd-243.9
0998-resolved-create-etc-resolv.conf-symlink-at...
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File 0998-resolved-create-etc-resolv.conf-symlink-at-runtime.patch of Package fc31-systemd-243.9
From 0c670fec00f3d5c103d9b7415d4e0510c61ad006 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl> Date: Fri, 11 Mar 2016 17:06:17 -0500 Subject: [PATCH] resolved: create /etc/resolv.conf symlink at runtime If the symlink doesn't exists, and we are being started, let's create it to provie name resolution. If it exists, do nothing. In particular, if it is a broken symlink, we cannot really know if the administator configured it to point to a location used by some service that hasn't started yet, so we don't touch it in that case either. https://bugzilla.redhat.com/show_bug.cgi?id=1313085 --- src/resolve/resolved.c | 4 ++++ tmpfiles.d/etc.conf.m4 | 3 --- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/src/resolve/resolved.c b/src/resolve/resolved.c index 2ca9fbdc72..3c8a9ff12a 100644 --- a/src/resolve/resolved.c +++ b/src/resolve/resolved.c @@ -49,6 +49,10 @@ static int run(int argc, char *argv[]) { /* Drop privileges, but only if we have been started as root. If we are not running as root we assume most * privileges are already dropped. */ if (getuid() == 0) { + r = symlink("../run/systemd/resolve/resolv.conf", "/etc/resolv.conf"); + if (r < 0 && errno != EEXIST) + log_warning_errno(errno, + "Could not create /etc/resolv.conf symlink: %m"); /* Drop privileges, but keep three caps. Note that we drop those too, later on (see below) */ r = drop_privileges(uid, gid, diff --git a/tmpfiles.d/etc.conf.m4 b/tmpfiles.d/etc.conf.m4 index f82e0b82ce..66a777bdb2 100644 --- a/tmpfiles.d/etc.conf.m4 +++ b/tmpfiles.d/etc.conf.m4 @@ -12,9 +12,6 @@ L+ /etc/mtab - - - - ../proc/self/mounts m4_ifdef(`HAVE_SMACK_RUN_LABEL', t /etc/mtab - - - - security.SMACK64=_ )m4_dnl -m4_ifdef(`ENABLE_RESOLVE', -L! /etc/resolv.conf - - - - ../run/systemd/resolve/stub-resolv.conf -)m4_dnl C! /etc/nsswitch.conf - - - - m4_ifdef(`HAVE_PAM', C! /etc/pam.d - - - -
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