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Kernel: Pass a parameter struct to mknod()

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This commit is contained in:
Andreas Kling 2020-01-11 10:27:37 +01:00
parent 6536a80aa9
commit c97bfbd609
Notes: sideshowbarker 2024-07-19 10:12:38 +09:00
5 changed files with 35 additions and 11 deletions
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19
Kernel/Process.cpp
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@ -3667,17 +3667,18 @@ void Process::FileDescriptionAndFlags::set(NonnullRefPtr<FileDescription>&& d, u
flags = f;
}
int Process::sys$mknod(const char* pathname, mode_t mode, dev_t dev)
int Process::sys$mknod(const Syscall::SC_mknod_params* user_params)
{
if (!validate_read_str(pathname))
if (!validate_read_typed(user_params))
return -EFAULT;
if (!is_superuser()) {
if (!is_regular_file(mode) && !is_fifo(mode) && !is_socket(mode))
return -EPERM;
}
return VFS::the().mknod(StringView(pathname), mode & ~umask(), dev, current_directory());
Syscall::SC_mknod_params params;
copy_from_user(&params, user_params);
if (!is_superuser() && !is_regular_file(params.mode) && !is_fifo(params.mode) && !is_socket(params.mode))
return -EPERM;
auto path = get_syscall_path_argument(params.path.characters, params.path.length);
if (path.is_error())
return path.error();
return VFS::the().mknod(path.value(), params.mode & ~umask(), params.dev, current_directory());
}
int Process::sys$dump_backtrace()