nexoniarz/SchOS
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Users and permissions: accounts, login, enforced file permissions, setuid, su, passwd, doas

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The kernel now checks owner/group/other on open, create, unlink, rename, exec
and path search; honours set-user-id and set-group-id; restricts kill, mount,
reboot and mknod; keeps supplementary groups; and implements chown. devtmpfs
nodes carry owners and modes that chmod/chown keep. Terminals run login, the
image has root and schos, X starts as the ordinary user.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EVRhxi9zpdW2uDUN4FVcao
This commit is contained in:
Nexoniarz 2026-10-26 13:16:07 +01:00
commit 020aa6113c
34 changed files with 1342 additions and 120 deletions
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include/fs/file.h
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@ -134,6 +134,9 @@ struct inode {
// that does not, in which case stat makes some up from the type. Bit 18 set
// alone means a mode of 0000, which chmod can ask for.
uint mode;
// Owner. Whatever the filesystem keeps: SchFS has stored them all along,
// FAT and the synthetic filesystems report root.
uint uid, gid;
uint supermode;
uint showmode;
uint atime;