232 lines
5.9 KiB
C
232 lines
5.9 KiB
C
/* $NetBSD: netconfig.c,v 1.9 2017/01/13 21:30:42 christos Exp $ */
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/*-
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* Copyright (c) 2010 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
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* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: netconfig.c,v 1.9 2017/01/13 21:30:42 christos Exp $");
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <arpa/inet.h>
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#include <net/route.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <netinet/ip_icmp.h>
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#include <atf-c.h>
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#include <err.h>
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#include <errno.h>
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#include <string.h>
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#include <rump/rump.h>
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#include <rump/rump_syscalls.h>
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#include "h_macros.h"
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int noatf;
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static void __unused
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netcfg_rump_makeshmif(const char *busname, char *ifname)
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{
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int rv, ifnum;
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if ((rv = rump_pub_shmif_create(busname, &ifnum)) != 0) {
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if (noatf)
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err(1, "makeshmif: rump_pub_shmif_create %d", rv);
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else
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atf_tc_fail("makeshmif: rump_pub_shmif_create %d", rv);
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}
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sprintf(ifname, "shmif%d", ifnum);
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}
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static void __unused
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netcfg_rump_if(const char *ifname, const char *addr, const char *mask)
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{
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struct ifaliasreq ia;
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struct sockaddr_in *sin;
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in_addr_t inaddr, inmask;
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int s, rv;
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s = -1;
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if ((s = rump_sys_socket(PF_INET, SOCK_DGRAM, 0)) < 0) {
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if (noatf)
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err(1, "if config socket");
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else
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atf_tc_fail_errno("if config socket");
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}
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inaddr = inet_addr(addr);
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inmask = inet_addr(mask);
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/* Address */
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memset(&ia, 0, sizeof(ia));
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strcpy(ia.ifra_name, ifname);
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sin = (struct sockaddr_in *)&ia.ifra_addr;
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sin->sin_family = AF_INET;
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sin->sin_len = sizeof(struct sockaddr_in);
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sin->sin_addr.s_addr = inaddr;
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/* Netmask */
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sin = (struct sockaddr_in *)&ia.ifra_mask;
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sin->sin_family = AF_INET;
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sin->sin_len = sizeof(struct sockaddr_in);
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sin->sin_addr.s_addr = inmask;
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/* Broadcast address */
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sin = (struct sockaddr_in *)&ia.ifra_broadaddr;
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sin->sin_family = AF_INET;
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sin->sin_len = sizeof(struct sockaddr_in);
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sin->sin_addr.s_addr = inaddr | ~inmask;
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rv = rump_sys_ioctl(s, SIOCAIFADDR, &ia);
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if (rv == -1) {
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if (noatf)
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err(1, "SIOCAIFADDR");
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else
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atf_tc_fail_errno("SIOCAIFADDR");
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}
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rump_sys_close(s);
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}
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static void __unused
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netcfg_rump_route(const char *dst, const char *mask, const char *gw)
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{
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size_t len;
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struct {
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struct rt_msghdr m_rtm;
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uint8_t m_space[512];
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} m_rtmsg;
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#define rtm m_rtmsg.m_rtm
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uint8_t *bp = m_rtmsg.m_space;
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struct sockaddr_in sinstore;
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int s, rv;
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s = rump_sys_socket(PF_ROUTE, SOCK_RAW, 0);
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if (s == -1) {
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if (noatf)
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err(1, "routing socket");
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else
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atf_tc_fail_errno("routing socket");
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}
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memset(&m_rtmsg, 0, sizeof(m_rtmsg));
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rtm.rtm_type = RTM_ADD;
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rtm.rtm_flags = RTF_UP | RTF_GATEWAY | RTF_STATIC;
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rtm.rtm_version = RTM_VERSION;
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rtm.rtm_seq = 2;
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rtm.rtm_addrs = RTA_DST | RTA_GATEWAY | RTA_NETMASK;
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/* dst */
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memset(&sinstore, 0, sizeof(sinstore));
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sinstore.sin_family = AF_INET;
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sinstore.sin_len = sizeof(sinstore);
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sinstore.sin_addr.s_addr = inet_addr(dst);
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memcpy(bp, &sinstore, sizeof(sinstore));
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bp += sizeof(sinstore);
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/* gw */
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memset(&sinstore, 0, sizeof(sinstore));
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sinstore.sin_family = AF_INET;
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sinstore.sin_len = sizeof(sinstore);
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sinstore.sin_addr.s_addr = inet_addr(gw);
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memcpy(bp, &sinstore, sizeof(sinstore));
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bp += sizeof(sinstore);
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/* netmask */
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memset(&sinstore, 0, sizeof(sinstore));
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sinstore.sin_family = AF_INET;
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sinstore.sin_len = sizeof(sinstore);
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sinstore.sin_addr.s_addr = inet_addr(mask);
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memcpy(bp, &sinstore, sizeof(sinstore));
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bp += sizeof(sinstore);
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len = bp - (uint8_t *)&m_rtmsg;
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rtm.rtm_msglen = len;
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rv = rump_sys_write(s, &m_rtmsg, len);
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if (rv != (int)len) {
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if (noatf)
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err(1, "write routing message");
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else
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atf_tc_fail_errno("write routing message");
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}
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rump_sys_close(s);
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}
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static bool __unused
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netcfg_rump_pingtest(const char *dst, int ms_timo)
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{
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struct timeval tv;
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struct sockaddr_in sin;
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struct icmp icmp;
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socklen_t slen;
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int s;
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bool rv = false;
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s = rump_sys_socket(PF_INET, SOCK_RAW, IPPROTO_ICMP);
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if (s == -1)
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return false;
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tv.tv_sec = ms_timo / 1000;
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tv.tv_usec = 1000 * (ms_timo % 1000);
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if (rump_sys_setsockopt(s, SOL_SOCKET, SO_RCVTIMEO,
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&tv, sizeof(tv)) == -1)
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goto out;
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memset(&sin, 0, sizeof(sin));
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sin.sin_len = sizeof(sin);
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sin.sin_family = AF_INET;
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sin.sin_addr.s_addr = inet_addr(dst);
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memset(&icmp, 0, sizeof(icmp));
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icmp.icmp_type = ICMP_ECHO;
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icmp.icmp_id = htons(37);
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icmp.icmp_cksum = htons(0xf7da); /* precalc */
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slen = sizeof(sin);
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if (rump_sys_sendto(s, &icmp, sizeof(icmp), 0,
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(struct sockaddr *)&sin, slen) == -1) {
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goto out;
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}
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if (rump_sys_recvfrom(s, &icmp, sizeof(icmp), 0,
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(struct sockaddr *)&sin, &slen) == -1)
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goto out;
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rv = true;
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out:
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rump_sys_close(s);
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return rv;
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}
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