1 /*- 2 * Copyright (c) 2016 Yandex LLC 3 * Copyright (c) 2016 Andrey V. Elsukov <ae@FreeBSD.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include <sys/param.h> 29 #include <sys/ioctl.h> 30 #include <sys/socket.h> 31 #include <sys/sockio.h> 32 #include <sys/stdint.h> 33 34 #include <stdlib.h> 35 #include <unistd.h> 36 37 #include <net/ethernet.h> 38 #include <net/if.h> 39 #include <net/if_ipsec.h> 40 #include <net/route.h> 41 42 #include <ctype.h> 43 #include <stdio.h> 44 #include <string.h> 45 #include <err.h> 46 #include <errno.h> 47 48 #include "ifconfig.h" 49 50 static void ipsec_status(if_ctx * ctx)51 ipsec_status(if_ctx *ctx) 52 { 53 uint32_t reqid; 54 struct ifreq ifr = { .ifr_data = (caddr_t)&reqid }; 55 56 if (ioctl_ctx_ifr(ctx, IPSECGREQID, &ifr) == -1) 57 return; 58 printf("\treqid: %u\n", reqid); 59 } 60 61 static void setreqid(if_ctx * ctx,const char * val,int dummy __unused)62 setreqid(if_ctx *ctx, const char *val, int dummy __unused) 63 { 64 char *ep; 65 uint32_t v; 66 struct ifreq ifr = { .ifr_data = (caddr_t)&v }; 67 68 v = strtoul(val, &ep, 0); 69 if (*ep != '\0') { 70 warn("Invalid reqid value %s", val); 71 return; 72 } 73 if (ioctl_ctx_ifr(ctx, IPSECSREQID, &ifr) == -1) { 74 warn("ioctl(IPSECSREQID)"); 75 return; 76 } 77 } 78 79 static struct cmd ipsec_cmds[] = { 80 DEF_CMD_ARG("reqid", setreqid), 81 }; 82 83 static struct afswtch af_ipsec = { 84 .af_name = "af_ipsec", 85 .af_af = AF_UNSPEC, 86 .af_other_status = ipsec_status, 87 }; 88 89 static __constructor void ipsec_ctor(void)90 ipsec_ctor(void) 91 { 92 size_t i; 93 94 for (i = 0; i < nitems(ipsec_cmds); i++) 95 cmd_register(&ipsec_cmds[i]); 96 af_register(&af_ipsec); 97 #undef N 98 } 99