48 lines
1.9 KiB
Diff
48 lines
1.9 KiB
Diff
From d77095927682f5a6921d3825256743eb8f5e6e1b Mon Sep 17 00:00:00 2001
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From: Jan Synacek <jsynacek@redhat.com>
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Date: Tue, 15 May 2018 09:24:20 +0200
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Subject: [PATCH] Avoid /tmp being mounted as tmpfs without the user's will
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Ensure PrivateTmp doesn't require tmpfs through tmp.mount, but rather
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adds an After relationship.
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RHEL-only
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Resolves: #1959826
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(cherry picked from commit f58c5ced373c2532b5cc44ba2e0c3a28b41472f2)
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---
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src/core/unit.c | 7 +------
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units/basic.target | 3 ++-
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2 files changed, 3 insertions(+), 7 deletions(-)
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diff --git a/src/core/unit.c b/src/core/unit.c
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index 30afd5a776..d9cd0c229a 100644
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--- a/src/core/unit.c
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+++ b/src/core/unit.c
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@@ -1266,12 +1266,7 @@ int unit_add_exec_dependencies(Unit *u, ExecContext *c) {
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}
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if (c->private_tmp) {
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-
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- /* FIXME: for now we make a special case for /tmp and add a weak dependency on
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- * tmp.mount so /tmp being masked is supported. However there's no reason to treat
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- * /tmp specifically and masking other mount units should be handled more
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- * gracefully too, see PR#16894. */
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- r = unit_add_two_dependencies_by_name(u, UNIT_AFTER, UNIT_WANTS, "tmp.mount", true, UNIT_DEPENDENCY_FILE);
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+ r = unit_add_dependency_by_name(u, UNIT_AFTER, "tmp.mount", true, UNIT_DEPENDENCY_FILE);
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if (r < 0)
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return r;
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diff --git a/units/basic.target b/units/basic.target
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index d8cdd5ac14..9eae0782a2 100644
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--- a/units/basic.target
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+++ b/units/basic.target
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@@ -19,4 +19,5 @@ After=sysinit.target sockets.target paths.target slices.target tmp.mount
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# require /var and /var/tmp, but only add a Wants= type dependency on /tmp, as
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# we support that unit being masked, and this should not be considered an error.
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RequiresMountsFor=/var /var/tmp
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-Wants=tmp.mount
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+# RHEL-only: Disable /tmp on tmpfs.
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+#Wants=tmp.mount
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