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Kernel/LibC: implement chmod syscall + libc wrapper

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Bananymous
2023-10-25 02:35:37 +03:00
parent 657f95d3f0
commit 627b8cc140
11 changed files with 59 additions and 2 deletions
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10
kernel/kernel/FS/Ext2/Inode.cpp
View File

@@ -242,6 +242,16 @@ namespace Kernel
return {};
}
BAN::ErrorOr<void> Ext2Inode::chmod_impl(mode_t mode)
{
ASSERT((mode & Inode::Mode::TYPE_MASK) == 0);
if (m_inode.mode == mode)
return {};
m_inode.mode = (m_inode.mode & Inode::Mode::TYPE_MASK) | mode;
TRY(sync());
return {};
}
BAN::ErrorOr<void> Ext2Inode::list_next_inodes_impl(off_t offset, DirectoryEntryList* list, size_t list_size)
{
ASSERT(mode().ifdir());

8
kernel/kernel/FS/Inode.cpp
View File

@@ -129,6 +129,14 @@ namespace Kernel
return truncate_impl(size);
}
BAN::ErrorOr<void> Inode::chmod(mode_t mode)
{
ASSERT((mode & Inode::Mode::TYPE_MASK) == 0);
LockGuard _(m_lock);
Thread::TerminateBlocker blocker(Thread::current());
return chmod_impl(mode);
}
bool Inode::has_data() const
{
LockGuard _(m_lock);

12
kernel/kernel/FS/RamFS/Inode.cpp
View File

@@ -26,6 +26,14 @@ namespace Kernel
this->rdev = 0;
}
BAN::ErrorOr<void> RamInode::chmod_impl(mode_t mode)
{
ASSERT((mode & Inode::Mode::TYPE_MASK) == 0);
m_inode_info.mode = (m_inode_info.mode & Inode::Mode::TYPE_MASK) | mode;
return {};
}
/*
RAM FILE INODE
@@ -193,9 +201,9 @@ namespace Kernel
{
BAN::RefPtr<RamInode> inode;
if (Mode(mode).ifreg())
inode = TRY(RamFileInode::create(m_fs, mode, uid, gid));
inode = TRY(RamFileInode::create(m_fs, mode & ~Inode::Mode::TYPE_MASK, uid, gid));
else if (Mode(mode).ifdir())
inode = TRY(RamDirectoryInode::create(m_fs, ino(), mode, uid, gid));
inode = TRY(RamDirectoryInode::create(m_fs, ino(), mode & ~Inode::Mode::TYPE_MASK, uid, gid));
else
ASSERT_NOT_REACHED();