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Kernel: Allow fchmod() and fchown() on pre-bind() local sockets

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In order to ensure a specific owner and mode when the local socket
filesystem endpoint is instantiated, we need to be able to call
fchmod() and fchown() on a socket fd between socket() and bind().

This is because until we call bind(), there is no filesystem inode
for the socket yet.
This commit is contained in:
Andreas Kling 2020-01-03 20:14:56 +01:00
parent 4abbedb6e4
commit d84299c7be
8 changed files with 57 additions and 13 deletions
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16
Kernel/FileSystem/FileDescription.cpp
View file

@ -64,13 +64,6 @@ KResult FileDescription::fstat(stat& buffer)
return metadata().stat(buffer);
}
KResult FileDescription::fchmod(mode_t mode)
{
if (!m_inode)
return KResult(-EBADF);
return VFS::the().chmod(*m_inode, mode);
}
off_t FileDescription::seek(off_t offset, int whence)
{
if (!m_file->is_seekable())
@ -282,9 +275,12 @@ void FileDescription::set_file_flags(u32 flags)
m_file_flags = flags;
}
KResult FileDescription::chmod(mode_t mode)
{
return m_file->chmod(mode);
}
KResult FileDescription::chown(uid_t uid, gid_t gid)
{
if (!m_inode)
return KResult(-EINVAL);
return VFS::the().chown(*m_inode, uid, gid);
return m_file->chown(uid, gid);
}