Don't allow write to /dev/rtc0, and remove sys_time.
Thanks, Christoph.
v2: drop sys_time, sys_module, mac_admin and mac_override in
all templates.
Reported-by: Christoph Mitasch <cmita...@thomas-krenn.com>
Signed-off-by: Serge Hallyn <serge.hal...@ubuntu.com>
---
templates/lxc-alpine.in | 3 ++-
templates/lxc-altlinux.in | 1 +
templates/lxc-archlinux.in | 2 +-
templates/lxc-busybox.in | 1 +
templates/lxc-debian.in | 3 ++-
templates/lxc-fedora.in | 3 ++-
templates/lxc-opensuse.in | 4 ++--
templates/lxc-sshd.in | 1 +
templates/lxc-ubuntu-cloud.in | 4 ++--
templates/lxc-ubuntu.in | 4 ++--
10 files changed, 16 insertions(+), 10 deletions(-)
diff --git a/templates/lxc-alpine.in b/templates/lxc-alpine.in
index 962d274..98347ed 100644
--- a/templates/lxc-alpine.in
+++ b/templates/lxc-alpine.in
@@ -109,6 +109,7 @@ EOF
lxc.tty = 4
lxc.pts = 1024
lxc.utsname = $hostname
+lxc.cap.drop = sys_module mac_admin mac_override sys_time
# When using LXC with apparmor, uncomment the next line to run unconfined:
#lxc.aa_profile = unconfined
@@ -129,7 +130,7 @@ lxc.cgroup.devices.allow = c 1:8 rwm
lxc.cgroup.devices.allow = c 136:* rwm
lxc.cgroup.devices.allow = c 5:2 rwm
# rtc
-lxc.cgroup.devices.allow = c 254:0 rwm
+lxc.cgroup.devices.allow = c 254:0 rm
# mounts point
lxc.mount.entry=proc proc proc nodev,noexec,nosuid 0 0
diff --git a/templates/lxc-altlinux.in b/templates/lxc-altlinux.in
index da66ae7..cce214c 100644
--- a/templates/lxc-altlinux.in
+++ b/templates/lxc-altlinux.in
@@ -243,6 +243,7 @@ lxc.utsname = $name
lxc.tty = 4
lxc.pts = 1024
lxc.mount = $config_path/fstab
+lxc.cap.drop = sys_module mac_admin mac_override sys_time
# When using LXC with apparmor, uncomment the next line to run unconfined:
#lxc.aa_profile = unconfined
diff --git a/templates/lxc-archlinux.in b/templates/lxc-archlinux.in
index ed5fb46..98d5424 100644
--- a/templates/lxc-archlinux.in
+++ b/templates/lxc-archlinux.in
@@ -127,7 +127,7 @@ lxc.tty=1
lxc.pts=1024
lxc.rootfs=${rootfs_path}
lxc.mount=${config_path}/fstab
-lxc.cap.drop=mknod sys_module mac_admin mac_override
+lxc.cap.drop=mknod sys_module mac_admin mac_override sys_time
lxc.kmsg=0
lxc.stopsignal=SIGRTMIN+4
#networking
diff --git a/templates/lxc-busybox.in b/templates/lxc-busybox.in
index 2ca2bfd..81e9566 100644
--- a/templates/lxc-busybox.in
+++ b/templates/lxc-busybox.in
@@ -261,6 +261,7 @@ cat <<EOF >> $path/config
lxc.utsname = $name
lxc.tty = 1
lxc.pts = 1
+lxc.cap.drop = sys_module mac_admin mac_override sys_time
# When using LXC with apparmor, uncomment the next line to run unconfined:
#lxc.aa_profile = unconfined
diff --git a/templates/lxc-debian.in b/templates/lxc-debian.in
index 568bc2c..d4ea3de 100644
--- a/templates/lxc-debian.in
+++ b/templates/lxc-debian.in
@@ -218,6 +218,7 @@ copy_configuration()
lxc.tty = 4
lxc.pts = 1024
lxc.utsname = $hostname
+lxc.cap.drop = sys_module mac_admin mac_override sys_time
# When using LXC with apparmor, uncomment the next line to run unconfined:
#lxc.aa_profile = unconfined
@@ -237,7 +238,7 @@ lxc.cgroup.devices.allow = c 1:8 rwm
lxc.cgroup.devices.allow = c 136:* rwm
lxc.cgroup.devices.allow = c 5:2 rwm
# rtc
-lxc.cgroup.devices.allow = c 254:0 rwm
+lxc.cgroup.devices.allow = c 254:0 rm
# mounts point
lxc.mount.entry = proc proc proc nodev,noexec,nosuid 0 0
diff --git a/templates/lxc-fedora.in b/templates/lxc-fedora.in
index 6f31e99..59f453b 100644
--- a/templates/lxc-fedora.in
+++ b/templates/lxc-fedora.in
@@ -252,6 +252,7 @@ lxc.utsname = $name
lxc.tty = 4
lxc.pts = 1024
lxc.mount = $config_path/fstab
+lxc.cap.drop = sys_module mac_admin mac_override sys_time
# When using LXC with apparmor, uncomment the next line to run unconfined:
#lxc.aa_profile = unconfined
@@ -272,7 +273,7 @@ lxc.cgroup.devices.allow = c 1:8 rwm
lxc.cgroup.devices.allow = c 136:* rwm
lxc.cgroup.devices.allow = c 5:2 rwm
# rtc
-lxc.cgroup.devices.allow = c 254:0 rwm
+lxc.cgroup.devices.allow = c 254:0 rm
EOF
cat <<EOF > $config_path/fstab
diff --git a/templates/lxc-opensuse.in b/templates/lxc-opensuse.in
index af92cf5..7d3dd1c 100644
--- a/templates/lxc-opensuse.in
+++ b/templates/lxc-opensuse.in
@@ -275,7 +275,7 @@ lxc.autodev=1
lxc.tty = 4
lxc.pts = 1024
lxc.mount = $path/fstab
-lxc.cap.drop = sys_module mac_admin mac_override mknod
+lxc.cap.drop = sys_module mac_admin mac_override mknod sys_time
# When using LXC with apparmor, uncomment the next line to run unconfined:
#lxc.aa_profile = unconfined
@@ -295,7 +295,7 @@ lxc.cgroup.devices.allow = c 1:8 rwm
lxc.cgroup.devices.allow = c 136:* rwm
lxc.cgroup.devices.allow = c 5:2 rwm
# rtc
-lxc.cgroup.devices.allow = c 254:0 rwm
+lxc.cgroup.devices.allow = c 254:0 rm
EOF
cat <<EOF > $path/fstab
diff --git a/templates/lxc-sshd.in b/templates/lxc-sshd.in
index b704723..2927c92 100644
--- a/templates/lxc-sshd.in
+++ b/templates/lxc-sshd.in
@@ -112,6 +112,7 @@ copy_configuration()
cat <<EOF >> $path/config
lxc.utsname = $name
lxc.pts = 1024
+lxc.cap.drop = sys_module mac_admin mac_override sys_time
# When using LXC with apparmor, uncomment the next line to run unconfined:
#lxc.aa_profile = unconfined
diff --git a/templates/lxc-ubuntu-cloud.in b/templates/lxc-ubuntu-cloud.in
index d60f2c7..9f5cf19 100644
--- a/templates/lxc-ubuntu-cloud.in
+++ b/templates/lxc-ubuntu-cloud.in
@@ -55,7 +55,7 @@ lxc.pts = 1024
lxc.utsname = $name
lxc.arch = $arch
-lxc.cap.drop = sys_module mac_admin mac_override
+lxc.cap.drop = sys_module mac_admin mac_override sys_time
# When using LXC with apparmor, uncomment the next line to run unconfined:
#lxc.aa_profile = unconfined
@@ -76,7 +76,7 @@ lxc.cgroup.devices.allow = c 1:8 rwm
lxc.cgroup.devices.allow = c 136:* rwm
lxc.cgroup.devices.allow = c 5:2 rwm
# rtc
-lxc.cgroup.devices.allow = c 254:0 rwm
+lxc.cgroup.devices.allow = c 254:0 rm
# fuse
lxc.cgroup.devices.allow = c 10:229 rwm
# tun
diff --git a/templates/lxc-ubuntu.in b/templates/lxc-ubuntu.in
index 7100acc..37a1b9c 100644
--- a/templates/lxc-ubuntu.in
+++ b/templates/lxc-ubuntu.in
@@ -378,7 +378,7 @@ lxc.pts = 1024
lxc.utsname = $name
lxc.arch = $arch
-lxc.cap.drop = sys_module mac_admin mac_override
+lxc.cap.drop = sys_module mac_admin mac_override sys_time
# When using LXC with apparmor, uncomment the next line to run unconfined:
#lxc.aa_profile = unconfined
@@ -399,7 +399,7 @@ lxc.cgroup.devices.allow = c 1:8 rwm
lxc.cgroup.devices.allow = c 136:* rwm
lxc.cgroup.devices.allow = c 5:2 rwm
# rtc
-lxc.cgroup.devices.allow = c 254:0 rwm
+lxc.cgroup.devices.allow = c 254:0 rm
# fuse
lxc.cgroup.devices.allow = c 10:229 rwm
# tun
--
1.8.1.2
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