1 2 /* 3 * connect.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 9 * redistribution of this software, in source or object code forms, with or 10 * without modifications are expressly permitted by Whistle Communications; 11 * provided, however, that: 12 * 1. Any and all reproductions of the source or object code must include the 13 * copyright notice above and the following disclaimer of warranties; and 14 * 2. No rights are granted, in any manner or form, to use Whistle 15 * Communications, Inc. trademarks, including the mark "WHISTLE 16 * COMMUNICATIONS" on advertising, endorsements, or otherwise except as 17 * such appears in the above copyright notice or in the software. 18 * 19 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND 20 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO 21 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE, 22 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF 23 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. 24 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY 25 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS 26 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE. 27 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES 28 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING 29 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 30 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR 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 * $FreeBSD$ 38 */ 39 40 #include <err.h> 41 #include <netgraph.h> 42 #include <stdio.h> 43 44 #include "ngctl.h" 45 46 static int ConnectCmd(int ac, char **av); 47 48 const struct ngcmd connect_cmd = { 49 ConnectCmd, 50 "connect [path] <relpath> <hook> <peerhook>", 51 "Connects hook <peerhook> of the node at <relpath> to <hook>", 52 "The connect command creates a link between the two nodes at" 53 " \"path\" and \"relpath\" using hooks \"hook\" and \"peerhook\"," 54 " respectively. The \"relpath\", if not absolute, is specified" 55 " relative to the node at \"path\"." 56 " If \"path\" is omitted then \".\" is assumed.", 57 { "join" } 58 }; 59 60 static int 61 ConnectCmd(int ac, char **av) 62 { 63 struct ngm_connect con; 64 const char *path = "."; 65 66 /* Get arguments */ 67 switch (ac) { 68 case 5: 69 path = av[1]; 70 ac--; 71 av++; 72 /* FALLTHROUGH */ 73 case 4: 74 snprintf(con.path, sizeof(con.path), "%s", av[1]); 75 snprintf(con.ourhook, sizeof(con.ourhook), "%s", av[2]); 76 snprintf(con.peerhook, sizeof(con.peerhook), "%s", av[3]); 77 break; 78 default: 79 return (CMDRTN_USAGE); 80 } 81 82 /* Send message */ 83 if (NgSendMsg(csock, path, NGM_GENERIC_COOKIE, 84 NGM_CONNECT, &con, sizeof(con)) < 0) { 85 warn("send msg"); 86 return (CMDRTN_ERROR); 87 } 88 return (CMDRTN_OK); 89 } 90 91