container/ops: mount dev readonly

There is usually no good reason to write to /dev. This however doesn't work in internal/app because FilesystemConfig supplied by ContainerConfig might add entries to /dev, so internal/app follows DevWritable with Remount instead.

Signed-off-by: Ophestra <cat@gensokyo.uk>

5 files changed, 5 insertions, 5 deletions

diff --git a/test/sandbox/case/mapuid.nix b/test/sandbox/case/mapuid.nix
index 945cfb49..fe5dad88 100644
--- a/test/sandbox/case/mapuid.nix
+++ b/test/sandbox/case/mapuid.nix
@@ -229,7 +229,7 @@ in
       (ent "/sysroot" "/" "ro,nosuid,nodev,relatime" "tmpfs" "rootfs" "rw,uid=1000003,gid=1000003")
       (ent "/" "/proc" "rw,nosuid,nodev,noexec,relatime" "proc" "proc" "rw")
       (ent "/" "/.hakurei" "rw,nosuid,nodev,relatime" "tmpfs" "ephemeral" "rw,size=4k,mode=755,uid=1000003,gid=1000003")
-      (ent "/" "/dev" "rw,nosuid,nodev,relatime" "tmpfs" "devtmpfs" "rw,mode=755,uid=1000003,gid=1000003")
+      (ent "/" "/dev" "ro,nosuid,nodev,relatime" "tmpfs" "devtmpfs" "rw,mode=755,uid=1000003,gid=1000003")
       (ent "/null" "/dev/null" "rw,nosuid" "devtmpfs" "devtmpfs" ignore)
       (ent "/zero" "/dev/zero" "rw,nosuid" "devtmpfs" "devtmpfs" ignore)
       (ent "/full" "/dev/full" "rw,nosuid" "devtmpfs" "devtmpfs" ignore)
diff --git a/test/sandbox/case/pd.nix b/test/sandbox/case/pd.nix
index 2b87290c..79400f53 100644
--- a/test/sandbox/case/pd.nix
+++ b/test/sandbox/case/pd.nix
@@ -170,7 +170,7 @@
       (ent "/var" "/var" "rw,nosuid,nodev,relatime" "ext4" "/dev/disk/by-label/nixos" "rw")
       (ent "/" "/proc" "rw,nosuid,nodev,noexec,relatime" "proc" "proc" "rw")
       (ent "/" "/.hakurei" "rw,nosuid,nodev,relatime" "tmpfs" "ephemeral" "rw,size=4k,mode=755,uid=1000000,gid=1000000")
-      (ent "/" "/dev" "rw,nosuid,nodev,relatime" "tmpfs" "devtmpfs" "rw,mode=755,uid=1000000,gid=1000000")
+      (ent "/" "/dev" "ro,nosuid,nodev,relatime" "tmpfs" "devtmpfs" "rw,mode=755,uid=1000000,gid=1000000")
       (ent "/null" "/dev/null" "rw,nosuid" "devtmpfs" "devtmpfs" ignore)
       (ent "/zero" "/dev/zero" "rw,nosuid" "devtmpfs" "devtmpfs" ignore)
       (ent "/full" "/dev/full" "rw,nosuid" "devtmpfs" "devtmpfs" ignore)
diff --git a/test/sandbox/case/pdlike.nix b/test/sandbox/case/pdlike.nix
index febf1d39..4f0e71c4 100644
--- a/test/sandbox/case/pdlike.nix
+++ b/test/sandbox/case/pdlike.nix
@@ -229,7 +229,7 @@ in
       (ent "/sysroot" "/" "ro,nosuid,nodev,relatime" "tmpfs" "rootfs" "rw,uid=1000005,gid=1000005")
       (ent "/" "/proc" "rw,nosuid,nodev,noexec,relatime" "proc" "proc" "rw")
       (ent "/" "/.hakurei" "rw,nosuid,nodev,relatime" "tmpfs" "ephemeral" "rw,size=4k,mode=755,uid=1000005,gid=1000005")
-      (ent "/" "/dev" "rw,nosuid,nodev,relatime" "tmpfs" "devtmpfs" "rw,mode=755,uid=1000005,gid=1000005")
+      (ent "/" "/dev" "ro,nosuid,nodev,relatime" "tmpfs" "devtmpfs" "rw,mode=755,uid=1000005,gid=1000005")
       (ent "/null" "/dev/null" "rw,nosuid" "devtmpfs" "devtmpfs" ignore)
       (ent "/zero" "/dev/zero" "rw,nosuid" "devtmpfs" "devtmpfs" ignore)
       (ent "/full" "/dev/full" "rw,nosuid" "devtmpfs" "devtmpfs" ignore)
diff --git a/test/sandbox/case/preset.nix b/test/sandbox/case/preset.nix
index ecab2da0..60257ad0 100644
--- a/test/sandbox/case/preset.nix
+++ b/test/sandbox/case/preset.nix
@@ -228,7 +228,7 @@ in
       (ent "/sysroot" "/" "ro,nosuid,nodev,relatime" "tmpfs" "rootfs" "rw,uid=1000001,gid=1000001")
       (ent "/" "/proc" "rw,nosuid,nodev,noexec,relatime" "proc" "proc" "rw")
       (ent "/" "/.hakurei" "rw,nosuid,nodev,relatime" "tmpfs" "ephemeral" "rw,size=4k,mode=755,uid=1000001,gid=1000001")
-      (ent "/" "/dev" "rw,nosuid,nodev,relatime" "tmpfs" "devtmpfs" "rw,mode=755,uid=1000001,gid=1000001")
+      (ent "/" "/dev" "ro,nosuid,nodev,relatime" "tmpfs" "devtmpfs" "rw,mode=755,uid=1000001,gid=1000001")
       (ent "/null" "/dev/null" "rw,nosuid" "devtmpfs" "devtmpfs" ignore)
       (ent "/zero" "/dev/zero" "rw,nosuid" "devtmpfs" "devtmpfs" ignore)
       (ent "/full" "/dev/full" "rw,nosuid" "devtmpfs" "devtmpfs" ignore)
diff --git a/test/sandbox/case/tty.nix b/test/sandbox/case/tty.nix
index 689101fc..af2bfe98 100644
--- a/test/sandbox/case/tty.nix
+++ b/test/sandbox/case/tty.nix
@@ -230,7 +230,7 @@ in
       (ent "/sysroot" "/" "ro,nosuid,nodev,relatime" "tmpfs" "rootfs" "rw,uid=1000002,gid=1000002")
       (ent "/" "/proc" "rw,nosuid,nodev,noexec,relatime" "proc" "proc" "rw")
       (ent "/" "/.hakurei" "rw,nosuid,nodev,relatime" "tmpfs" "ephemeral" "rw,size=4k,mode=755,uid=1000002,gid=1000002")
-      (ent "/" "/dev" "rw,nosuid,nodev,relatime" "tmpfs" "devtmpfs" "rw,mode=755,uid=1000002,gid=1000002")
+      (ent "/" "/dev" "ro,nosuid,nodev,relatime" "tmpfs" "devtmpfs" "rw,mode=755,uid=1000002,gid=1000002")
       (ent "/null" "/dev/null" "rw,nosuid" "devtmpfs" "devtmpfs" ignore)
       (ent "/zero" "/dev/zero" "rw,nosuid" "devtmpfs" "devtmpfs" ignore)
       (ent "/full" "/dev/full" "rw,nosuid" "devtmpfs" "devtmpfs" ignore)