diff options
Diffstat (limited to 'sys/compat/linux/linux_socket.c')
| -rw-r--r-- | sys/compat/linux/linux_socket.c | 37 |
1 files changed, 35 insertions, 2 deletions
diff --git a/sys/compat/linux/linux_socket.c b/sys/compat/linux/linux_socket.c index e9f4c43..e757fc1 100644 --- a/sys/compat/linux/linux_socket.c +++ b/sys/compat/linux/linux_socket.c @@ -25,7 +25,7 @@ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * - * $Id: linux_socket.c,v 1.13 1998/03/28 10:33:04 bde Exp $ + * $Id: linux_socket.c,v 1.14 1998/12/30 21:20:00 sos Exp $ */ /* XXX we use functions that might not exist. */ @@ -811,7 +811,40 @@ linux_socketcall(struct proc *p, struct linux_socketcall_args *args) case LINUX_GETSOCKOPT: return linux_getsockopt(p, args->args); case LINUX_SENDMSG: - return sendmsg(p, args->args); + do { + int error; + int level; + caddr_t control; + struct { + int s; + const struct msghdr *msg; + int flags; + } *uap = args->args; + + error = copyin(&uap->msg->msg_control, + &control, sizeof(caddr_t)); + if (error) + return error; + if (control == NULL) + goto done; + error = copyin(&((struct cmsghdr *)control)->cmsg_level, + &level, sizeof(int)); + if (error) + return error; + if (level == 1) { + /* + * Linux thinks that SOL_SOCKET is 1; we know that it's really + * 0xffff, of course. + */ + level = SOL_SOCKET; + error = copyout(&level, &((struct cmsghdr *)control)-> + cmsg_level, sizeof(int)); + if (error) + return error; + } + done: + return sendmsg(p, args->args); + } while (0); case LINUX_RECVMSG: return recvmsg(p, args->args); |
