system/serenity
system/serenity
1
0
Fork 0
mirror of https://github.com/SerenityOS/serenity synced 2024-07-22 10:36:24 +00:00
Code Issues Actions 5 Packages Projects Releases Wiki Activity

Kernel: Allow to remove files from sticky directory if user owns it

Browse source 
It's what the Linux chmod(1) manpage says (in the 'Restricted Deletion
Flag or Sticky Bit' section), and it just makes sense to me. :^)
This commit is contained in:
Karol Kosek 2022-09-01 14:16:32 +02:00 committed by Linus Groh
parent 798154fbbc
commit 8cfd445c23
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
Kernel/FileSystem/VirtualFileSystem.cpp
View file

@ -645,7 +645,7 @@ ErrorOr<void> VirtualFileSystem::rename(Credentials const& credentials, Custody&
return EACCES;
if (old_parent_inode.metadata().is_sticky()) {
if (!credentials.is_superuser() && old_inode.metadata().uid != credentials.euid())
if (!credentials.is_superuser() && old_parent_inode.metadata().uid != credentials.euid() && old_inode.metadata().uid != credentials.euid())
return EACCES;
}
@ -807,7 +807,7 @@ ErrorOr<void> VirtualFileSystem::unlink(Credentials const& credentials, StringVi
return EACCES;
if (parent_inode.metadata().is_sticky()) {
if (!credentials.is_superuser() && inode.metadata().uid != credentials.euid())
if (!credentials.is_superuser() && parent_inode.metadata().uid != credentials.euid() && inode.metadata().uid != credentials.euid())
return EACCES;
}