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Kernel: Strongly typed user & group ID's

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Prior to this change, both uid_t and gid_t were typedef'ed to `u32`.
This made it easy to use them interchangeably. Let's not allow that.

This patch adds UserID and GroupID using the AK::DistinctNumeric
mechanism we've already been employing for pid_t/ProcessID.
This commit is contained in:
Andreas Kling 2021-08-28 22:11:16 +02:00
parent 59335bd8ea
commit ae197deb6b
Notes: sideshowbarker 2024-07-18 05:07:12 +09:00
44 changed files with 172 additions and 169 deletions
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16
Kernel/FileSystem/Ext2FileSystem.cpp
View file

@ -1176,7 +1176,7 @@ KResult Ext2FSInode::write_directory(Vector<Ext2FSDirectoryEntry>& entries)
return KSuccess;
}
KResultOr<NonnullRefPtr<Inode>> Ext2FSInode::create_child(StringView name, mode_t mode, dev_t dev, uid_t uid, gid_t gid)
KResultOr<NonnullRefPtr<Inode>> Ext2FSInode::create_child(StringView name, mode_t mode, dev_t dev, UserID uid, GroupID gid)
{
if (::is_directory(mode))
return fs().create_directory(*this, name, mode, uid, gid);
@ -1539,7 +1539,7 @@ KResult Ext2FS::set_block_allocation_state(BlockIndex block_index, bool new_stat
return update_bitmap_block(bgd.bg_block_bitmap, bit_index, new_state, m_super_block.s_free_blocks_count, bgd.bg_free_blocks_count);
}
KResult Ext2FS::create_directory(Ext2FSInode& parent_inode, const String& name, mode_t mode, uid_t uid, gid_t gid)
KResult Ext2FS::create_directory(Ext2FSInode& parent_inode, const String& name, mode_t mode, UserID uid, GroupID gid)
{
MutexLocker locker(m_lock);
VERIFY(is_directory(mode));
@ -1569,7 +1569,7 @@ KResult Ext2FS::create_directory(Ext2FSInode& parent_inode, const String& name,
return KSuccess;
}
KResultOr<NonnullRefPtr<Inode>> Ext2FS::create_inode(Ext2FSInode& parent_inode, const String& name, mode_t mode, dev_t dev, uid_t uid, gid_t gid)
KResultOr<NonnullRefPtr<Inode>> Ext2FS::create_inode(Ext2FSInode& parent_inode, const String& name, mode_t mode, dev_t dev, UserID uid, GroupID gid)
{
if (name.length() > EXT2_NAME_LEN)
return ENAMETOOLONG;
@ -1580,8 +1580,8 @@ KResultOr<NonnullRefPtr<Inode>> Ext2FS::create_inode(Ext2FSInode& parent_inode,
ext2_inode e2inode {};
auto now = kgettimeofday().to_truncated_seconds();
e2inode.i_mode = mode;
e2inode.i_uid = uid;
e2inode.i_gid = gid;
e2inode.i_uid = uid.value();
e2inode.i_gid = gid.value();
e2inode.i_size = 0;
e2inode.i_atime = now;
e2inode.i_ctime = now;
@ -1740,13 +1740,13 @@ KResult Ext2FSInode::chmod(mode_t mode)
return KSuccess;
}
KResult Ext2FSInode::chown(uid_t uid, gid_t gid)
KResult Ext2FSInode::chown(UserID uid, GroupID gid)
{
MutexLocker locker(m_inode_lock);
if (m_raw_inode.i_uid == uid && m_raw_inode.i_gid == gid)
return KSuccess;
m_raw_inode.i_uid = uid;
m_raw_inode.i_gid = gid;
m_raw_inode.i_uid = uid.value();
m_raw_inode.i_gid = gid.value();
set_metadata_dirty(true);
return KSuccess;
}