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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4
kernel/fs/schfs/vfs.c
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@ -101,6 +101,8 @@ schfs_vfs_iload(struct inode *ip)
ip->size = in.size;
ip->rwmode = RW;
ip->mode = in.mode & 07777; // 0 on disk: never recorded
ip->uid = in.uid;
ip->gid = in.gid;
ip->supermode = 0;
ip->showmode = 1;
ip->atime = (uint)in.atime;
@ -137,6 +139,8 @@ schfs_vfs_istore(struct inode *ip)
if (ip->mode)
in.mode = ip->mode & 07777;
in.uid = ip->uid;
in.gid = ip->gid;
in.type = type_from_vfs(ip->type);
in.rdev_major = (uint16_t)ip->major;
in.rdev_minor = (uint16_t)ip->minor;