1 /* 2 * show.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 * $FreeBSD: src/usr.sbin/ngctl/show.c,v 1.2 1999/11/30 02:45:31 archie Exp $ 37 * $DragonFly: src/usr.sbin/ngctl/show.c,v 1.5 2008/07/10 18:29:52 swildner Exp $ 38 */ 39 40 #include "ngctl.h" 41 42 #define FMT " %-15s %-15s %-12s %-15s %-15s\n" 43 #define UNNAMED "<unnamed>" 44 #define NOSTATUS "<no status>" 45 46 static int ShowCmd(int ac, const char **av); 47 48 const struct ngcmd show_cmd = { 49 ShowCmd, 50 "show [-n] <path>", 51 "Show information about the node at <path>", 52 "If the -n flag is given, hooks are not listed.", 53 { "inquire", "info" } 54 }; 55 56 static int 57 ShowCmd(int ac, const char **av) 58 { 59 const char *path; 60 u_char rbuf[16 * 1024]; 61 struct ng_mesg *const resp = (struct ng_mesg *) rbuf; 62 struct hooklist *const hlist = (struct hooklist *) resp->data; 63 struct nodeinfo *const ninfo = &hlist->nodeinfo; 64 int ch, no_hooks = 0; 65 66 /* Get options */ 67 optind = 1; 68 while ((ch = getopt(ac, __DECONST(char **, av), "n")) != -1) { 69 switch (ch) { 70 case 'n': 71 no_hooks = 1; 72 break; 73 case '?': 74 default: 75 return(CMDRTN_USAGE); 76 break; 77 } 78 } 79 ac -= optind; 80 av += optind; 81 82 /* Get arguments */ 83 switch (ac) { 84 case 1: 85 path = av[0]; 86 break; 87 default: 88 return(CMDRTN_USAGE); 89 } 90 91 /* Get node info and hook list */ 92 if (NgSendMsg(csock, path, NGM_GENERIC_COOKIE, 93 NGM_LISTHOOKS, NULL, 0) < 0) { 94 warn("send msg"); 95 return(CMDRTN_ERROR); 96 } 97 if (NgRecvMsg(csock, resp, sizeof(rbuf), NULL) < 0) { 98 warn("recv msg"); 99 return(CMDRTN_ERROR); 100 } 101 102 /* Show node information */ 103 if (!*ninfo->name) 104 snprintf(ninfo->name, sizeof(ninfo->name), "%s", UNNAMED); 105 printf(" Name: %-15s Type: %-15s ID: %08x Num hooks: %d\n", 106 ninfo->name, ninfo->type, ninfo->id, ninfo->hooks); 107 if (!no_hooks && ninfo->hooks > 0) { 108 uint32_t k; 109 110 printf(FMT, "Local hook", "Peer name", 111 "Peer type", "Peer ID", "Peer hook"); 112 printf(FMT, "----------", "---------", 113 "---------", "-------", "---------"); 114 for (k = 0; k < ninfo->hooks; k++) { 115 struct linkinfo *const sc_link = &hlist->link[k]; 116 struct nodeinfo *const peer = &hlist->link[k].nodeinfo; 117 char idbuf[20]; 118 119 if (!*peer->name) { 120 snprintf(peer->name, sizeof(peer->name), 121 "%s", UNNAMED); 122 } 123 snprintf(idbuf, sizeof(idbuf), "%08x", peer->id); 124 printf(FMT, sc_link->ourhook, peer->name, 125 peer->type, idbuf, sc_link->peerhook); 126 } 127 } 128 return(CMDRTN_OK); 129 } 130