| ng_socket.c (89066) | ng_socket.c (89306) |
|---|---|
| 1 2/* 3 * ng_socket.c 4 * 5 * Copyright (c) 1996-1999 Whistle Communications, Inc. 6 * All rights reserved. 7 * 8 * Subject to the following obligations and disclaimer of warranty, use and --- 22 unchanged lines hidden (view full) --- 31 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY 32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 34 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY 35 * OF SUCH DAMAGE. 36 * 37 * Author: Julian Elischer <julian@freebsd.org> 38 * | 1 2/* 3 * ng_socket.c 4 * 5 * Copyright (c) 1996-1999 Whistle Communications, Inc. 6 * All rights reserved. 7 * 8 * Subject to the following obligations and disclaimer of warranty, use and --- 22 unchanged lines hidden (view full) --- 31 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY 32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 34 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY 35 * OF SUCH DAMAGE. 36 * 37 * Author: Julian Elischer <julian@freebsd.org> 38 * |
| 39 * $FreeBSD: head/sys/netgraph/ng_socket.c 89066 2002-01-08 10:30:34Z msmith $ | 39 * $FreeBSD: head/sys/netgraph/ng_socket.c 89306 2002-01-13 11:58:06Z alfred $ |
| 40 * $Whistle: ng_socket.c,v 1.28 1999/11/01 09:24:52 julian Exp $ 41 */ 42 43/* 44 * Netgraph socket nodes 45 * 46 * There are two types of netgraph sockets, control and data. 47 * Control sockets have a netgraph node, but data sockets are --- 516 unchanged lines hidden (view full) --- 564 * Note, that file descriptors cannot be passed OUT. 565 * Only character device descriptors are accepted. 566 * Character devices are useful to connect a graph to a device, 567 * which after all is the purpose of this whole system. 568 */ 569static int 570ng_internalize(struct mbuf *control, struct thread *td) 571{ | 40 * $Whistle: ng_socket.c,v 1.28 1999/11/01 09:24:52 julian Exp $ 41 */ 42 43/* 44 * Netgraph socket nodes 45 * 46 * There are two types of netgraph sockets, control and data. 47 * Control sockets have a netgraph node, but data sockets are --- 516 unchanged lines hidden (view full) --- 564 * Note, that file descriptors cannot be passed OUT. 565 * Only character device descriptors are accepted. 566 * Character devices are useful to connect a graph to a device, 567 * which after all is the purpose of this whole system. 568 */ 569static int 570ng_internalize(struct mbuf *control, struct thread *td) 571{ |
| 572 struct filedesc *fdp = td->td_proc->p_fd; | |
| 573 struct cmsghdr *cm = mtod(control, struct cmsghdr *); 574 struct file *fp; 575 struct vnode *vn; 576 int oldfds; 577 int fd; 578 579 if (cm->cmsg_type != SCM_RIGHTS || cm->cmsg_level != SOL_SOCKET || 580 cm->cmsg_len != control->m_len) { --- 6 unchanged lines hidden (view full) --- 587 if (oldfds != 1) { 588 TRAP_ERROR; 589 return (EINVAL); 590 } 591 592 /* Check that the FD given is legit. and change it to a pointer to a 593 * struct file. */ 594 fd = CMSG_DATA(cm); | 572 struct cmsghdr *cm = mtod(control, struct cmsghdr *); 573 struct file *fp; 574 struct vnode *vn; 575 int oldfds; 576 int fd; 577 578 if (cm->cmsg_type != SCM_RIGHTS || cm->cmsg_level != SOL_SOCKET || 579 cm->cmsg_len != control->m_len) { --- 6 unchanged lines hidden (view full) --- 586 if (oldfds != 1) { 587 TRAP_ERROR; 588 return (EINVAL); 589 } 590 591 /* Check that the FD given is legit. and change it to a pointer to a 592 * struct file. */ 593 fd = CMSG_DATA(cm); |
| 595 if ((unsigned) fd >= fdp->fd_nfiles 596 || (fp = fdp->fd_ofiles[fd]) == NULL) { | 594 fp = ffind_hold(td, fd); 595 if (fp == NULL) |
| 597 return (EBADF); | 596 return (EBADF); |
| 598 } | |
| 599 600 /* Depending on what kind of resource it is, act differently. For 601 * devices, we treat it as a file. For a AF_NETGRAPH socket, 602 * shortcut straight to the node. */ 603 switch (fp->f_type) { 604 case DTYPE_VNODE: 605 vn = (struct vnode *) fp->f_data; 606 if (vn && (vn->v_type == VCHR)) { 607 /* for a VCHR, actually reference the FILE */ 608 fp->f_count++; 609 /* XXX then what :) */ 610 /* how to pass on to other modules? */ 611 } else { | 597 598 /* Depending on what kind of resource it is, act differently. For 599 * devices, we treat it as a file. For a AF_NETGRAPH socket, 600 * shortcut straight to the node. */ 601 switch (fp->f_type) { 602 case DTYPE_VNODE: 603 vn = (struct vnode *) fp->f_data; 604 if (vn && (vn->v_type == VCHR)) { 605 /* for a VCHR, actually reference the FILE */ 606 fp->f_count++; 607 /* XXX then what :) */ 608 /* how to pass on to other modules? */ 609 } else { |
| 610 fdrop(fp, td); |
|
| 612 TRAP_ERROR; 613 return (EINVAL); 614 } 615 break; 616 default: | 611 TRAP_ERROR; 612 return (EINVAL); 613 } 614 break; 615 default: |
| 616 fdrop(fp, td); |
|
| 617 TRAP_ERROR; 618 return (EINVAL); 619 } | 617 TRAP_ERROR; 618 return (EINVAL); 619 } |
| 620 fdrop(fp, td); |
|
| 620 return (0); 621} 622#endif /* NOTYET */ 623 624/* 625 * Connect the data socket to a named control socket node. 626 */ 627static int --- 465 unchanged lines hidden --- | 621 return (0); 622} 623#endif /* NOTYET */ 624 625/* 626 * Connect the data socket to a named control socket node. 627 */ 628static int --- 465 unchanged lines hidden --- |