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systemd/0003-namespace-make-sure-tmp-var-tmp-and-dev-are-writable.patch

35 lines
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Based on 664064d60c36e1f62c7e9177e4c7498035467e07 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 3 Jul 2014 16:27:57 +0200
Subject: [PATCH] namespace: make sure /tmp, /var/tmp and /dev are writable in
namespaces we set up
---
src/core/namespace.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
--- src/core/namespace.c
+++ src/core/namespace.c 2014-07-04 09:55:21.582234949 +0000
@@ -263,14 +263,17 @@ static int make_read_only(BindMount *m)
assert(m);
- if (m->mode != INACCESSIBLE && m->mode != READONLY)
- return 0;
+ if (IN_SET(m->mode, INACCESSIBLE, READONLY))
+ r = mount(NULL, m->path, NULL, MS_BIND|MS_REMOUNT|MS_RDONLY|MS_REC, NULL);
+ else if (IN_SET(m->mode, READWRITE, PRIVATE_TMP, PRIVATE_VAR_TMP, PRIVATE_DEV))
+ r = mount(NULL, m->path, NULL, MS_BIND|MS_REMOUNT|MS_REC, NULL);
+ else
+ r = 0;
- r = mount(NULL, m->path, NULL, MS_BIND|MS_REMOUNT|MS_RDONLY|MS_REC, NULL);
if (r < 0 && !(m->ignore && errno == ENOENT))
return -errno;
- return 0;
+ return r;
}
int setup_namespace(