RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 22:27:35 +00:00
Code Issues Activity Actions

Base: Add "tty" group and make /dev/tty* be root:tty mode 610

Browse source 
This fixes an issue where anyone could snoop on the virtual consoles.
This commit is contained in:
Andreas Kling 2020-01-04 12:40:12 +01:00
parent 4f4dc47ec3
commit 20ac4e44d1
2 changed files with 5 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

4
Kernel/build-root-filesystem.sh
View file

@ -34,6 +34,10 @@ mknod mnt/dev/ttyS0 c 4 64
mknod mnt/dev/ttyS1 c 4 65
mknod mnt/dev/ttyS2 c 4 66
mknod mnt/dev/ttyS3 c 4 67
for tty in 0 1 2 3 S0 S1 S2 S3; do
chmod 620 mnt/dev/tty$tty
chown 0:2 mnt/dev/tty$tty
done
mknod mnt/dev/random c 1 8
mknod mnt/dev/null c 1 3
mknod mnt/dev/zero c 1 5