1 /* 2 * connect.c 3 * 4 * Copyright (c) 1996-1999 Whistle Communications, Inc. 5 * All rights reserved. 6 * 7 * Subject to the following obligations and disclaimer of warranty, use and 8 * redistribution of this software, in source or object code forms, with or 9 * without modifications are expressly permitted by Whistle Communications; 10 * provided, however, that: 11 * 1. Any and all reproductions of the source or object code must include the 12 * copyright notice above and the following disclaimer of warranties; and 13 * 2. No rights are granted, in any manner or form, to use Whistle 14 * Communications, Inc. trademarks, including the mark "WHISTLE 15 * COMMUNICATIONS" on advertising, endorsements, or otherwise except as 16 * such appears in the above copyright notice or in the software. 17 * 18 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND 19 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO 20 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE, 21 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF 22 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. 23 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY 24 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS 25 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE. 26 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES 27 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING 28 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 29 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR 30 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 33 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY 34 * OF SUCH DAMAGE. 35 */ 36 37 #include <err.h> 38 #include <netgraph.h> 39 #include <stdio.h> 40 41 #include "ngctl.h" 42 43 static int ConnectCmd(int ac, char **av); 44 45 const struct ngcmd connect_cmd = { 46 ConnectCmd, 47 "connect [path] <relpath> <hook> <peerhook>", 48 "Connects hook <peerhook> of the node at <relpath> to <hook>", 49 "The connect command creates a link between the two nodes at" 50 " \"path\" and \"relpath\" using hooks \"hook\" and \"peerhook\"," 51 " respectively. The \"relpath\", if not absolute, is specified" 52 " relative to the node at \"path\"." 53 " If \"path\" is omitted then \".\" is assumed.", 54 { "join" } 55 }; 56 57 static int 58 ConnectCmd(int ac, char **av) 59 { 60 struct ngm_connect con; 61 const char *path = "."; 62 63 /* Get arguments */ 64 switch (ac) { 65 case 5: 66 path = av[1]; 67 ac--; 68 av++; 69 /* FALLTHROUGH */ 70 case 4: 71 snprintf(con.path, sizeof(con.path), "%s", av[1]); 72 snprintf(con.ourhook, sizeof(con.ourhook), "%s", av[2]); 73 snprintf(con.peerhook, sizeof(con.peerhook), "%s", av[3]); 74 break; 75 default: 76 return (CMDRTN_USAGE); 77 } 78 79 /* Send message */ 80 if (NgSendMsg(csock, path, NGM_GENERIC_COOKIE, 81 NGM_CONNECT, &con, sizeof(con)) < 0) { 82 warn("send msg"); 83 return (CMDRTN_ERROR); 84 } 85 return (CMDRTN_OK); 86 } 87