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authorDaniel Golle <daniel@makrotopia.org>2020-10-19 21:22:30 +0100
committerDaniel Golle <daniel@makrotopia.org>2020-10-25 13:01:35 +0000
commit2d34355e16b442fcf51e93786401716dae3c4ea2 (patch)
tree1fe6e9c20153a6f76d5baf7a48480c93a0537b06 /package/utils/busybox/files
parentccb283c71cce2248eea3afd42624f626cdc3a4f2 (diff)
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busybox: allow ntpd to run as non-root ntpd user
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Diffstat (limited to 'package/utils/busybox/files')
-rw-r--r--package/utils/busybox/files/ntpd.capabilities22
-rwxr-xr-xpackage/utils/busybox/files/sysntpd7
2 files changed, 29 insertions, 0 deletions
diff --git a/package/utils/busybox/files/ntpd.capabilities b/package/utils/busybox/files/ntpd.capabilities
new file mode 100644
index 0000000000..8a05dba4bc
--- /dev/null
+++ b/package/utils/busybox/files/ntpd.capabilities
@@ -0,0 +1,22 @@
+{
+ "bounding": [
+ "CAP_NET_BIND_SERVICE",
+ "CAP_SYS_TIME"
+ ],
+ "effective": [
+ "CAP_NET_BIND_SERVICE",
+ "CAP_SYS_TIME"
+ ],
+ "ambient": [
+ "CAP_NET_BIND_SERVICE",
+ "CAP_SYS_TIME"
+ ],
+ "permitted": [
+ "CAP_NET_BIND_SERVICE",
+ "CAP_SYS_TIME"
+ ],
+ "inheritable": [
+ "CAP_NET_BIND_SERVICE",
+ "CAP_SYS_TIME"
+ ]
+}
diff --git a/package/utils/busybox/files/sysntpd b/package/utils/busybox/files/sysntpd
index 52866ba32a..cbc760a48e 100755
--- a/package/utils/busybox/files/sysntpd
+++ b/package/utils/busybox/files/sysntpd
@@ -55,6 +55,13 @@ start_ntpd_instance() {
procd_append_param command -p $peer
done
procd_set_param respawn
+ [ -x /sbin/ujail ] && {
+ procd_add_jail ntpd
+ procd_set_param capabilities /etc/capabilities/ntpd.json
+ procd_set_param user ntpd
+ procd_set_param group ntpd
+ procd_set_param no_new_privs 1
+ }
procd_close_instance
}