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authorTopi Miettinen <toiwoton@gmail.com>2019-05-10 22:11:40 +0300
committerTomáš Mráz <t8m@users.noreply.github.com>2020-02-18 13:18:16 +0100
commit59812d1cf1127a1af65b530addff76be767092b1 (patch)
treec05252f35d58f485d13af5988cd340a80b3e1121 /modules/pam_namespace/pam_namespace.service.in
parentc7a66c8ca510e12f43355ac7cc893834964235b7 (diff)
pam_namespace: secure tmp-inst directories
When using polyinstantiation for /tmp and/or /var/tmp, pam_namespace creates subdirectories with fixed name tmp-inst. These paths should be secured as early as possible to avoid that somehow these directories could created and controlled by for example a malicious user or service. Ship a systemd service, which creates the directories early in boot sequence with correct permissions and ownership. Closes #111. Signed-off-by: Topi Miettinen <toiwoton@gmail.com>
Diffstat (limited to 'modules/pam_namespace/pam_namespace.service.in')
-rw-r--r--modules/pam_namespace/pam_namespace.service.in11
1 files changed, 11 insertions, 0 deletions
diff --git a/modules/pam_namespace/pam_namespace.service.in b/modules/pam_namespace/pam_namespace.service.in
new file mode 100644
index 00000000..e2311917
--- /dev/null
+++ b/modules/pam_namespace/pam_namespace.service.in
@@ -0,0 +1,11 @@
+[Unit]
+After=local-fs.target
+Before=multi-user.target shutdown.target
+Conflicts=shutdown.target
+DefaultDependencies=no
+Description=Make sure parent directories configured in @SCONFIGDIR@/namespace.conf for polyinstantiation exist
+Documentation=man:pam_namespace(8)
+
+[Service]
+ExecStart=@sbindir@/pam_namespace_helper
+Type=oneshot