2017-11-27 15:37:16 +00:00
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/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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2005-02-22 13:04:05 +00:00
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* Copyright (c) 2003 Ryan McBride. All rights reserved.
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* Copyright (c) 2004 Max Laier. 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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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2015-09-27 07:51:18 +00:00
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#include <sys/param.h>
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2022-11-09 11:40:43 +00:00
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#include <sys/errno.h>
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2005-02-22 13:04:05 +00:00
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#include <sys/ioctl.h>
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2022-11-09 11:40:43 +00:00
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#include <sys/nv.h>
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2005-02-22 13:04:05 +00:00
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#include <sys/socket.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <net/pfvar.h>
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#include <net/if_pfsync.h>
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#include <net/route.h>
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2005-05-03 16:59:14 +00:00
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#include <arpa/inet.h>
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2005-02-22 13:04:05 +00:00
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#include <err.h>
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2005-05-03 16:59:14 +00:00
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#include <netdb.h>
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2005-02-22 13:04:05 +00:00
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "ifconfig.h"
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2005-05-03 16:59:14 +00:00
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void setpfsync_syncdev(const char *, int, int, const struct afswtch *);
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void unsetpfsync_syncdev(const char *, int, int, const struct afswtch *);
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void setpfsync_syncpeer(const char *, int, int, const struct afswtch *);
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void unsetpfsync_syncpeer(const char *, int, int, const struct afswtch *);
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void setpfsync_syncpeer(const char *, int, int, const struct afswtch *);
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void setpfsync_maxupd(const char *, int, int, const struct afswtch *);
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2012-04-03 18:10:48 +00:00
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void setpfsync_defer(const char *, int, int, const struct afswtch *);
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2005-02-22 14:07:47 +00:00
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void pfsync_status(int);
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2005-02-22 13:04:05 +00:00
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2022-11-09 11:40:43 +00:00
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static int
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pfsync_do_ioctl(int s, uint cmd, nvlist_t **nvl)
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{
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void *data;
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size_t nvlen;
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data = nvlist_pack(*nvl, &nvlen);
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ifr.ifr_cap_nv.buffer = malloc(IFR_CAP_NV_MAXBUFSIZE);
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memcpy(ifr.ifr_cap_nv.buffer, data, nvlen);
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ifr.ifr_cap_nv.buf_length = IFR_CAP_NV_MAXBUFSIZE;
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ifr.ifr_cap_nv.length = nvlen;
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free(data);
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if (ioctl(s, cmd, (caddr_t)&ifr) == -1) {
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free(ifr.ifr_cap_nv.buffer);
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return -1;
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}
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nvlist_destroy(*nvl);
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*nvl = NULL;
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*nvl = nvlist_unpack(ifr.ifr_cap_nv.buffer, ifr.ifr_cap_nv.length, 0);
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if (*nvl == NULL) {
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free(ifr.ifr_cap_nv.buffer);
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return (EIO);
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}
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free(ifr.ifr_cap_nv.buffer);
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return (errno);
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}
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static nvlist_t *
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pfsync_sockaddr_to_syncpeer_nvlist(struct sockaddr_storage *sa)
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{
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nvlist_t *nvl;
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nvl = nvlist_create(0);
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if (nvl == NULL) {
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return (nvl);
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}
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switch (sa->ss_family) {
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#ifdef INET
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case AF_INET: {
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struct sockaddr_in *in = (struct sockaddr_in *)sa;
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nvlist_add_number(nvl, "af", in->sin_family);
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nvlist_add_binary(nvl, "address", in, sizeof(*in));
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break;
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}
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#endif
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#ifdef INET6
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case AF_INET6: {
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struct sockaddr_in6 *in6 = (struct sockaddr_in6 *)sa;
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nvlist_add_number(nvl, "af", in6->sin6_family);
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nvlist_add_binary(nvl, "address", in6, sizeof(*in6));
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break;
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}
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#endif
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default:
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nvlist_add_number(nvl, "af", AF_UNSPEC);
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nvlist_add_binary(nvl, "address", sa, sizeof(*sa));
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break;
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}
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return (nvl);
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}
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static int
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pfsync_syncpeer_nvlist_to_sockaddr(const nvlist_t *nvl,
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struct sockaddr_storage *sa)
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{
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int af;
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if (!nvlist_exists_number(nvl, "af"))
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return (EINVAL);
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if (!nvlist_exists_binary(nvl, "address"))
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return (EINVAL);
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af = nvlist_get_number(nvl, "af");
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switch (af) {
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#ifdef INET
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case AF_INET: {
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struct sockaddr_in *in = (struct sockaddr_in *)sa;
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size_t len;
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const void *addr = nvlist_get_binary(nvl, "address", &len);
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in->sin_family = af;
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if (len != sizeof(*in))
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return (EINVAL);
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memcpy(in, addr, sizeof(*in));
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break;
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}
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#endif
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#ifdef INET6
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case AF_INET6: {
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struct sockaddr_in6 *in6 = (struct sockaddr_in6 *)sa;
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size_t len;
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const void *addr = nvlist_get_binary(nvl, "address", &len);
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if (len != sizeof(*in6))
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return (EINVAL);
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memcpy(in6, addr, sizeof(*in6));
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break;
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}
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#endif
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default:
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return (EINVAL);
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}
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return (0);
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}
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2005-02-22 13:04:05 +00:00
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void
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2005-05-03 16:59:14 +00:00
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setpfsync_syncdev(const char *val, int d, int s, const struct afswtch *rafp)
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2005-02-22 13:04:05 +00:00
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{
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2022-11-09 11:40:43 +00:00
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nvlist_t *nvl = nvlist_create(0);
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if (strlen(val) > IFNAMSIZ)
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errx(1, "interface name %s is too long", val);
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2005-02-22 13:04:05 +00:00
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2022-11-09 11:40:43 +00:00
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if (pfsync_do_ioctl(s, SIOCGETPFSYNCNV, &nvl) == -1)
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err(1, "SIOCGETPFSYNCNV");
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2005-02-22 13:04:05 +00:00
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2022-11-09 11:40:43 +00:00
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if (nvlist_exists_string(nvl, "syncdev"))
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nvlist_free_string(nvl, "syncdev");
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2005-02-22 13:04:05 +00:00
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2022-11-09 11:40:43 +00:00
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nvlist_add_string(nvl, "syncdev", val);
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2005-02-22 13:04:05 +00:00
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2022-11-09 11:40:43 +00:00
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if (pfsync_do_ioctl(s, SIOCSETPFSYNCNV, &nvl) == -1)
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err(1, "SIOCSETPFSYNCNV");
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2005-02-22 13:04:05 +00:00
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}
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2005-05-03 16:59:14 +00:00
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/* ARGSUSED */
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2005-02-22 13:04:05 +00:00
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void
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2005-05-03 16:59:14 +00:00
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unsetpfsync_syncdev(const char *val, int d, int s, const struct afswtch *rafp)
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2005-02-22 13:04:05 +00:00
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{
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2022-11-09 11:40:43 +00:00
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nvlist_t *nvl = nvlist_create(0);
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2005-02-22 13:04:05 +00:00
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2022-11-09 11:40:43 +00:00
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if (pfsync_do_ioctl(s, SIOCGETPFSYNCNV, &nvl) == -1)
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err(1, "SIOCGETPFSYNCNV");
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2005-02-22 13:04:05 +00:00
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2022-11-09 11:40:43 +00:00
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if (nvlist_exists_string(nvl, "syncdev"))
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nvlist_free_string(nvl, "syncdev");
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2005-02-22 13:04:05 +00:00
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2022-11-09 11:40:43 +00:00
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nvlist_add_string(nvl, "syncdev", "");
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2005-02-22 13:04:05 +00:00
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2022-11-09 11:40:43 +00:00
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if (pfsync_do_ioctl(s, SIOCSETPFSYNCNV, &nvl) == -1)
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err(1, "SIOCSETPFSYNCNV");
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2005-02-22 13:04:05 +00:00
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}
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2005-05-03 16:59:14 +00:00
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/* ARGSUSED */
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void
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setpfsync_syncpeer(const char *val, int d, int s, const struct afswtch *rafp)
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{
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2022-11-09 11:40:43 +00:00
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struct addrinfo *peerres;
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struct sockaddr_storage addr;
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2005-05-03 16:59:14 +00:00
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int ecode;
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2022-11-09 11:40:43 +00:00
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nvlist_t *nvl = nvlist_create(0);
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2005-05-03 16:59:14 +00:00
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2022-11-09 11:40:43 +00:00
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if (pfsync_do_ioctl(s, SIOCGETPFSYNCNV, &nvl) == -1)
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err(1, "SIOCGETPFSYNCNV");
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2005-05-03 16:59:14 +00:00
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2022-11-09 11:40:43 +00:00
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if ((ecode = getaddrinfo(val, NULL, NULL, &peerres)) != 0)
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2005-05-03 16:59:14 +00:00
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errx(1, "error in parsing address string: %s",
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gai_strerror(ecode));
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2022-11-09 11:40:43 +00:00
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switch (peerres->ai_family) {
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#ifdef INET
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case AF_INET: {
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struct sockaddr_in *sin = (struct sockaddr_in *)
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peerres->ai_addr;
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if (IN_MULTICAST(ntohl(sin->sin_addr.s_addr)))
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errx(1, "syncpeer address cannot be multicast");
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memcpy(&addr, sin, sizeof(*sin));
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break;
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}
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#endif
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default:
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errx(1, "syncpeer address %s not supported", val);
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}
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if (nvlist_exists_nvlist(nvl, "syncpeer"))
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nvlist_free_nvlist(nvl, "syncpeer");
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nvlist_add_nvlist(nvl, "syncpeer",
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pfsync_sockaddr_to_syncpeer_nvlist(&addr));
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2005-05-03 16:59:14 +00:00
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2022-11-09 11:40:43 +00:00
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if (pfsync_do_ioctl(s, SIOCSETPFSYNCNV, &nvl) == -1)
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err(1, "SIOCSETPFSYNCNV");
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2005-05-03 16:59:14 +00:00
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2022-11-09 11:40:43 +00:00
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nvlist_destroy(nvl);
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Various Coverity fixes in ifconfig(8)
* Exit early if kldload(2) fails (1011259). This is the only change that
affects ifconfig's behavior.
* Close memory and resource leaks (1305624, 1305205, 1007100)
* Mark usage() as _Noreturn (1305806, 1305750)
* Fix some dereference after null checks (1011474, 270774)
Reported by: Coverity
CID: 1305624, 1305205, 1007100, 1305806, 1305750, 1011474,
CID: 270774, 1011259
Reviewed by: cem
MFC after: 3 weeks
Sponsored by: Spectra Logic Corp
Differential Revision: https://reviews.freebsd.org/D10587
2017-05-03 17:21:01 +00:00
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freeaddrinfo(peerres);
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2005-05-03 16:59:14 +00:00
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}
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/* ARGSUSED */
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void
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unsetpfsync_syncpeer(const char *val, int d, int s, const struct afswtch *rafp)
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{
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2022-11-09 11:40:43 +00:00
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struct sockaddr_storage addr;
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memset(&addr, 0, sizeof(addr));
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2005-05-03 16:59:14 +00:00
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2022-11-09 11:40:43 +00:00
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nvlist_t *nvl = nvlist_create(0);
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2005-05-03 16:59:14 +00:00
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2022-11-09 11:40:43 +00:00
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if (pfsync_do_ioctl(s, SIOCGETPFSYNCNV, &nvl) == -1)
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err(1, "SIOCGETPFSYNCNV");
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2005-05-03 16:59:14 +00:00
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2022-11-09 11:40:43 +00:00
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if (nvlist_exists_nvlist(nvl, "syncpeer"))
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nvlist_free_nvlist(nvl, "syncpeer");
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2005-05-03 16:59:14 +00:00
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2022-11-09 11:40:43 +00:00
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nvlist_add_nvlist(nvl, "syncpeer",
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pfsync_sockaddr_to_syncpeer_nvlist(&addr));
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if (pfsync_do_ioctl(s, SIOCSETPFSYNCNV, &nvl) == -1)
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err(1, "SIOCSETPFSYNCNV");
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nvlist_destroy(nvl);
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2005-05-03 16:59:14 +00:00
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}
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/* ARGSUSED */
|
2005-02-22 13:04:05 +00:00
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void
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setpfsync_maxupd(const char *val, int d, int s, const struct afswtch *rafp)
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{
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2005-05-03 16:59:14 +00:00
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int maxupdates;
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2022-11-09 11:40:43 +00:00
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nvlist_t *nvl = nvlist_create(0);
|
2005-02-22 13:04:05 +00:00
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maxupdates = atoi(val);
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2005-05-03 16:59:14 +00:00
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if ((maxupdates < 0) || (maxupdates > 255))
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errx(1, "maxupd %s: out of range", val);
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2005-02-22 13:04:05 +00:00
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2022-11-09 11:40:43 +00:00
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if (pfsync_do_ioctl(s, SIOCGETPFSYNCNV, &nvl) == -1)
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err(1, "SIOCGETPFSYNCNV");
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2005-02-22 13:04:05 +00:00
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2022-11-09 11:40:43 +00:00
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|
|
nvlist_free_number(nvl, "maxupdates");
|
|
|
|
nvlist_add_number(nvl, "maxupdates", maxupdates);
|
2005-02-22 13:04:05 +00:00
|
|
|
|
2022-11-09 11:40:43 +00:00
|
|
|
if (pfsync_do_ioctl(s, SIOCSETPFSYNCNV, &nvl) == -1)
|
|
|
|
err(1, "SIOCSETPFSYNCNV");
|
2005-02-22 13:04:05 +00:00
|
|
|
|
2022-11-09 11:40:43 +00:00
|
|
|
nvlist_destroy(nvl);
|
2005-02-22 13:04:05 +00:00
|
|
|
}
|
|
|
|
|
2012-04-03 18:10:48 +00:00
|
|
|
/* ARGSUSED */
|
|
|
|
void
|
|
|
|
setpfsync_defer(const char *val, int d, int s, const struct afswtch *rafp)
|
|
|
|
{
|
2022-11-09 11:40:43 +00:00
|
|
|
nvlist_t *nvl = nvlist_create(0);
|
|
|
|
|
|
|
|
if (pfsync_do_ioctl(s, SIOCGETPFSYNCNV, &nvl) == -1)
|
|
|
|
err(1, "SIOCGETPFSYNCNV");
|
2012-04-03 18:10:48 +00:00
|
|
|
|
2022-11-09 11:40:43 +00:00
|
|
|
nvlist_free_number(nvl, "flags");
|
|
|
|
nvlist_add_number(nvl, "flags", d ? PFSYNCF_DEFER : 0);
|
2012-04-03 18:10:48 +00:00
|
|
|
|
2022-11-09 11:40:43 +00:00
|
|
|
if (pfsync_do_ioctl(s, SIOCSETPFSYNCNV, &nvl) == -1)
|
|
|
|
err(1, "SIOCSETPFSYNCNV");
|
2012-04-03 18:10:48 +00:00
|
|
|
|
2022-11-09 11:40:43 +00:00
|
|
|
nvlist_destroy(nvl);
|
2012-04-03 18:10:48 +00:00
|
|
|
}
|
|
|
|
|
2005-02-22 13:04:05 +00:00
|
|
|
void
|
2005-02-22 14:07:47 +00:00
|
|
|
pfsync_status(int s)
|
2005-02-22 13:04:05 +00:00
|
|
|
{
|
2022-11-09 11:40:43 +00:00
|
|
|
nvlist_t *nvl;
|
|
|
|
char syncdev[IFNAMSIZ];
|
|
|
|
char syncpeer_str[NI_MAXHOST];
|
|
|
|
struct sockaddr_storage syncpeer;
|
|
|
|
int maxupdates;
|
|
|
|
int flags;
|
|
|
|
int error;
|
2005-02-22 13:04:05 +00:00
|
|
|
|
2022-11-09 11:40:43 +00:00
|
|
|
nvl = nvlist_create(0);
|
2005-02-22 13:04:05 +00:00
|
|
|
|
2022-11-09 11:40:43 +00:00
|
|
|
if (pfsync_do_ioctl(s, SIOCGETPFSYNCNV, &nvl) == -1) {
|
|
|
|
nvlist_destroy(nvl);
|
2005-02-22 13:04:05 +00:00
|
|
|
return;
|
2022-11-09 11:40:43 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
memset((char *)&syncdev, 0, IFNAMSIZ);
|
|
|
|
if (nvlist_exists_string(nvl, "syncdev"))
|
|
|
|
strlcpy(syncdev, nvlist_get_string(nvl, "syncdev"),
|
|
|
|
IFNAMSIZ);
|
|
|
|
if (nvlist_exists_number(nvl, "maxupdates"))
|
|
|
|
maxupdates = nvlist_get_number(nvl, "maxupdates");
|
|
|
|
if (nvlist_exists_number(nvl, "flags"))
|
|
|
|
flags = nvlist_get_number(nvl, "flags");
|
|
|
|
if (nvlist_exists_nvlist(nvl, "syncpeer")) {
|
|
|
|
pfsync_syncpeer_nvlist_to_sockaddr(nvlist_get_nvlist(nvl,
|
|
|
|
"syncpeer"),
|
|
|
|
&syncpeer);
|
|
|
|
}
|
|
|
|
|
|
|
|
nvlist_destroy(nvl);
|
|
|
|
|
|
|
|
if (syncdev[0] != '\0' || syncpeer.ss_family != AF_UNSPEC)
|
|
|
|
printf("\t");
|
2005-02-22 13:04:05 +00:00
|
|
|
|
2022-11-09 11:40:43 +00:00
|
|
|
if (syncdev[0] != '\0')
|
|
|
|
printf("syncdev: %s ", syncdev);
|
|
|
|
|
|
|
|
if (syncpeer.ss_family == AF_INET &&
|
|
|
|
((struct sockaddr_in *)&syncpeer)->sin_addr.s_addr !=
|
|
|
|
htonl(INADDR_PFSYNC_GROUP)) {
|
|
|
|
|
|
|
|
struct sockaddr *syncpeer_sa =
|
|
|
|
(struct sockaddr *)&syncpeer;
|
|
|
|
if ((error = getnameinfo(syncpeer_sa, syncpeer_sa->sa_len,
|
|
|
|
syncpeer_str, sizeof(syncpeer_str), NULL, 0,
|
|
|
|
NI_NUMERICHOST)) != 0)
|
|
|
|
errx(1, "getnameinfo: %s", gai_strerror(error));
|
|
|
|
printf("syncpeer: %s ", syncpeer_str);
|
2012-04-03 18:10:48 +00:00
|
|
|
}
|
2022-11-09 11:40:43 +00:00
|
|
|
|
|
|
|
printf("maxupd: %d ", maxupdates);
|
|
|
|
printf("defer: %s\n", (flags & PFSYNCF_DEFER) ? "on" : "off");
|
|
|
|
printf("\tsyncok: %d\n", (flags & PFSYNCF_OK) ? 1 : 0);
|
2005-02-22 13:04:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static struct cmd pfsync_cmds[] = {
|
2005-05-03 16:59:14 +00:00
|
|
|
DEF_CMD_ARG("syncdev", setpfsync_syncdev),
|
|
|
|
DEF_CMD("-syncdev", 1, unsetpfsync_syncdev),
|
|
|
|
DEF_CMD_ARG("syncif", setpfsync_syncdev),
|
|
|
|
DEF_CMD("-syncif", 1, unsetpfsync_syncdev),
|
|
|
|
DEF_CMD_ARG("syncpeer", setpfsync_syncpeer),
|
|
|
|
DEF_CMD("-syncpeer", 1, unsetpfsync_syncpeer),
|
2012-04-03 18:10:48 +00:00
|
|
|
DEF_CMD_ARG("maxupd", setpfsync_maxupd),
|
|
|
|
DEF_CMD("defer", 1, setpfsync_defer),
|
|
|
|
DEF_CMD("-defer", 0, setpfsync_defer),
|
2005-02-22 13:04:05 +00:00
|
|
|
};
|
|
|
|
static struct afswtch af_pfsync = {
|
|
|
|
.af_name = "af_pfsync",
|
|
|
|
.af_af = AF_UNSPEC,
|
2005-02-22 14:07:47 +00:00
|
|
|
.af_other_status = pfsync_status,
|
2005-02-22 13:04:05 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static __constructor void
|
|
|
|
pfsync_ctor(void)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
2015-09-27 07:51:18 +00:00
|
|
|
for (i = 0; i < nitems(pfsync_cmds); i++)
|
2005-02-22 13:04:05 +00:00
|
|
|
cmd_register(&pfsync_cmds[i]);
|
|
|
|
af_register(&af_pfsync);
|
|
|
|
}
|