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5 Commits
Author SHA1 Message Date
Liav A 1b04726c85 Kernel: Move all tasks-related code to the Tasks subdirectory 2023-06-04 21:32:34 +02:00
sin-ack fa692e13f9 Kernel: Use real UID/GID when checking for file access 
This aligns the rest of the system with POSIX, who says that access(2)
must check against the real UID and GID, not effective ones.
 2022-12-11 19:55:37 -07:00
Andreas Kling c3351d4b9f Kernel: Make VirtualFileSystem functions take credentials as input 
Instead of getting credentials from Process::current(), we now require
that they be provided as input to the various VFS functions.

This ensures that an atomic set of credentials is used throughout an
entire VFS operation.
 2022-08-21 16:02:24 +02:00
Andreas Kling 122d7d9533 Kernel: Add Credentials to hold a set of user and group IDs 
This patch adds a new object to hold a Process's user credentials:

- UID, EUID, SUID
- GID, EGID, SGID, extra GIDs

Credentials are immutable and child processes initially inherit the
Credentials object from their parent.

Whenever a process changes one or more of its user/group IDs, a new
Credentials object is constructed.

Any code that wants to inspect and act on a set of credentials can now
do so without worrying about data races.
 2022-08-20 18:32:50 +02:00
Andreas Kling bec314611d Kernel: Move InodeMetadata methods out of line 2022-08-20 17:20:44 +02:00