diff options
Diffstat (limited to 'network_cmds/ifconfig.tproj/ifbridge.c')
| -rw-r--r-- | network_cmds/ifconfig.tproj/ifbridge.c | 952 |
1 files changed, 952 insertions, 0 deletions
diff --git a/network_cmds/ifconfig.tproj/ifbridge.c b/network_cmds/ifconfig.tproj/ifbridge.c new file mode 100644 index 0000000..951c56b --- /dev/null +++ b/network_cmds/ifconfig.tproj/ifbridge.c @@ -0,0 +1,952 @@ +/* + * Copyright (c) 2009-2019 Apple Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ + */ + +/*- + * Copyright 2001 Wasabi Systems, Inc. + * All rights reserved. + * + * Written by Jason R. Thorpe for Wasabi Systems, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the NetBSD Project by + * Wasabi Systems, Inc. + * 4. The name of Wasabi Systems, Inc. may not be used to endorse + * or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/param.h> +#include <sys/ioctl.h> +#include <sys/socket.h> +#include <sys/sockio.h> + +#include <stdlib.h> +#include <unistd.h> + +#include <net/ethernet.h> +#include <net/if.h> +#include <net/if_bridgevar.h> +#include <net/route.h> + +#include <ctype.h> +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <unistd.h> +#include <err.h> +#include <errno.h> + +#include <arpa/inet.h> + +#include "ifconfig.h" + +#define PV2ID(pv, epri, eaddr) do { \ + epri = pv >> 48; \ + eaddr[0] = pv >> 40; \ + eaddr[1] = pv >> 32; \ + eaddr[2] = pv >> 24; \ + eaddr[3] = pv >> 16; \ + eaddr[4] = pv >> 8; \ + eaddr[5] = pv >> 0; \ +} while (0) + +static const char *stpstates[] = { + "disabled", + "listening", + "learning", + "forwarding", + "blocking", + "discarding" +}; +static const char *stpproto[] = { + "stp", + "-", + "rstp" +}; +static const char *stproles[] = { + "disabled", + "root", + "designated", + "alternate", + "backup" +}; + +static int +get_val(const char *cp, u_long *valp) +{ + char *endptr; + u_long val; + + errno = 0; + val = strtoul(cp, &endptr, 0); + if (cp[0] == '\0' || endptr[0] != '\0' || errno == ERANGE) + return (-1); + + *valp = val; + return (0); +} + +static int +do_cmd(int sock, u_long op, void *arg, size_t argsize, int set) +{ + struct ifdrv ifd; + + memset(&ifd, 0, sizeof(ifd)); + + strlcpy(ifd.ifd_name, ifr.ifr_name, sizeof(ifd.ifd_name)); + ifd.ifd_cmd = op; + ifd.ifd_len = argsize; + ifd.ifd_data = arg; + + return (ioctl(sock, set ? SIOCSDRVSPEC : SIOCGDRVSPEC, &ifd)); +} + +static void +do_bridgeflag(int sock, const char *ifs, int flag, int set) +{ + struct ifbreq req; + + strlcpy(req.ifbr_ifsname, ifs, sizeof(req.ifbr_ifsname)); + + if (do_cmd(sock, BRDGGIFFLGS, &req, sizeof(req), 0) < 0) + err(1, "unable to get bridge flags"); + + if (set) + req.ifbr_ifsflags |= flag; + else + req.ifbr_ifsflags &= ~flag; + + if (do_cmd(sock, BRDGSIFFLGS, &req, sizeof(req), 1) < 0) + err(1, "unable to set bridge flags"); +} + +static void +bridge_interfaces(int s, const char *prefix) +{ + struct ifbifconf bifc; + struct ifbreq *req; + char *inbuf = NULL, *ninbuf; + char *p, *pad; + int i, len = 8192; + + pad = strdup(prefix); + if (pad == NULL) + err(1, "strdup"); + /* replace the prefix with whitespace */ + for (p = pad; *p != '\0'; p++) { + if(isprint(*p)) + *p = ' '; + } + + for (;;) { + ninbuf = realloc(inbuf, len); + if (ninbuf == NULL) + err(1, "unable to allocate interface buffer"); + bifc.ifbic_len = len; + bifc.ifbic_buf = inbuf = ninbuf; + if (do_cmd(s, BRDGGIFS, &bifc, sizeof(bifc), 0) < 0) + err(1, "unable to get interface list"); + if ((bifc.ifbic_len + sizeof(*req)) < len) + break; + len *= 2; + } + + for (i = 0; i < bifc.ifbic_len / sizeof(*req); i++) { + req = bifc.ifbic_req + i; + printf("%s%s ", prefix, req->ifbr_ifsname); + printb("flags", req->ifbr_ifsflags, IFBIFBITS); + printf("\n"); + + printf("%s", pad); + printf("ifmaxaddr %u", req->ifbr_addrmax); + printf(" port %u priority %u", req->ifbr_portno, + req->ifbr_priority); + printf(" path cost %u", req->ifbr_path_cost); + + if (req->ifbr_ifsflags & IFBIF_STP) { + if (req->ifbr_proto < + sizeof(stpproto) / sizeof(stpproto[0])) + printf(" proto %s", stpproto[req->ifbr_proto]); + else + printf(" <unknown proto %d>", + req->ifbr_proto); + + printf("\n%s", pad); + if (req->ifbr_role < + sizeof(stproles) / sizeof(stproles[0])) + printf("role %s", stproles[req->ifbr_role]); + else + printf("<unknown role %d>", + req->ifbr_role); + if (req->ifbr_state < + sizeof(stpstates) / sizeof(stpstates[0])) + printf(" state %s", stpstates[req->ifbr_state]); + else + printf(" <unknown state %d>", + req->ifbr_state); + } + printf("\n"); + + if (verbose) { + struct ifbrhostfilter ifbrfh; + struct in_addr in; + struct ether_addr ea; + + bzero(&ifbrfh, sizeof(struct ifbrhostfilter)); + strlcpy(ifbrfh.ifbrhf_ifsname, req->ifbr_ifsname, sizeof(ifbrfh.ifbrhf_ifsname)); + if (do_cmd(s, BRDGGHOSTFILTER, &ifbrfh, sizeof(ifbrfh), 0) < 0) + err(1, "unable to get host filter settings for %s", + ifbrfh.ifbrhf_ifsname); + + if (ifbrfh.ifbrhf_flags & IFBRHF_ENABLED) { + in.s_addr = ifbrfh.ifbrhf_ipsrc; + bcopy(ifbrfh.ifbrhf_hwsrca, ea.octet, ETHER_ADDR_LEN); + } else { + in.s_addr = INADDR_ANY; + bzero(ea.octet, ETHER_ADDR_LEN); + } + printf("%s", pad); + printf("hostfilter %d hw: %s ip: %s", + ifbrfh.ifbrhf_flags & IFBRHF_ENABLED ? 1 : 0, + ether_ntoa(&ea), inet_ntoa(in)); + + printf("\n"); + } + } + + free(inbuf); + free(pad); +} + +static void +bridge_addresses(int s, const char *prefix) +{ + struct ifbaconf ifbac; + struct ifbareq *ifba; + char *inbuf = NULL, *ninbuf; + int i, len = 8192; + struct ether_addr ea; + + for (;;) { + ninbuf = realloc(inbuf, len); + if (ninbuf == NULL) + err(1, "unable to allocate address buffer"); + ifbac.ifbac_len = len; + ifbac.ifbac_buf = inbuf = ninbuf; + if (do_cmd(s, BRDGRTS, &ifbac, sizeof(ifbac), 0) < 0) + err(1, "unable to get address cache"); + if ((ifbac.ifbac_len + sizeof(*ifba)) < len) + break; + len *= 2; + } + + for (i = 0; i < ifbac.ifbac_len / sizeof(*ifba); i++) { + ifba = ifbac.ifbac_req + i; + memcpy(ea.octet, ifba->ifba_dst, + sizeof(ea.octet)); + printf("%s%s Vlan%d %s %lu ", prefix, ether_ntoa(&ea), + ifba->ifba_vlan, ifba->ifba_ifsname, ifba->ifba_expire); + printb("flags", ifba->ifba_flags, IFBAFBITS); + printf("\n"); + } + + free(inbuf); +} + +#define MAX_IPv6_STR_LEN INET6_ADDRSTRLEN +static void +bridge_mac_nat(int s, const char *prefix) +{ + char *buf; + unsigned int count; + struct ether_addr ea; + unsigned int i; + struct ifbrmnelist mnl; + char *scan; + + bzero(&mnl, sizeof(mnl)); + if (do_cmd(s, BRDGGMACNATLIST, &mnl, sizeof(mnl), 0) < 0) { + /* err(1, "unable to get mac nat list"); */ + return; + } + if (mnl.ifbml_len == 0) { + return; + } + printf("\tMAC NAT list:\n"); + if (mnl.ifbml_elsize == 0) { + err(1, "kernel reported zero length element size"); + } + if (mnl.ifbml_elsize < sizeof(struct ifbrmne)) { + err(1, "struct element size too small, kernel mismatch"); + } + buf = malloc(mnl.ifbml_len); + if (buf == NULL) { + err(1, "unable to allocate mac nat list buffer"); + } + mnl.ifbml_buf = buf; + if (do_cmd(s, BRDGGMACNATLIST, &mnl, sizeof(mnl), 0) < 0) { + err(1, "unable to get mac nat list"); + } + count = mnl.ifbml_len / mnl.ifbml_elsize; + for (i = 0, scan = buf; i < count; i++, scan += mnl.ifbml_elsize) { + struct ifbrmne *ifbmne = (struct ifbrmne *)scan; + char ntopbuf[INET6_ADDRSTRLEN]; + + memcpy(ea.octet, ifbmne->ifbmne_mac, + sizeof(ea.octet)); + inet_ntop(ifbmne->ifbmne_af, &ifbmne->ifbmne_ip, + ntopbuf, sizeof(ntopbuf)); + printf("%s%s %s %s %lu\n", + prefix, ifbmne->ifbmne_ifname, ntopbuf, ether_ntoa(&ea), + (unsigned long)ifbmne->ifbmne_expire); + } + free(buf); +} + +static void +bridge_status(int s) +{ + struct ifbropreq ifbp; + struct ifbrparam param; + u_int16_t pri; + u_int8_t ht, fd, ma, hc, pro; + u_int8_t lladdr[ETHER_ADDR_LEN]; + u_int16_t bprio; + u_int32_t csize, ctime; + u_int32_t ipfflags; + + if (do_cmd(s, BRDGGCACHE, ¶m, sizeof(param), 0) < 0) + return; + csize = param.ifbrp_csize; + if (do_cmd(s, BRDGGTO, ¶m, sizeof(param), 0) < 0) + return; + ctime = param.ifbrp_ctime; + if (do_cmd(s, BRDGGFILT, ¶m, sizeof(param), 0) < 0) + return; + ipfflags = param.ifbrp_filter; + if (do_cmd(s, BRDGPARAM, &ifbp, sizeof(ifbp), 0) < 0) + return; + pri = ifbp.ifbop_priority; + pro = ifbp.ifbop_protocol; + ht = ifbp.ifbop_hellotime; + fd = ifbp.ifbop_fwddelay; + hc = ifbp.ifbop_holdcount; + ma = ifbp.ifbop_maxage; + + printf("\tConfiguration:\n"); + PV2ID(ifbp.ifbop_bridgeid, bprio, lladdr); + printf("\t\tid %s priority %u hellotime %u fwddelay %u\n", + ether_ntoa((struct ether_addr *)lladdr), pri, ht, fd); + printf("\t\tmaxage %u holdcnt %u proto %s maxaddr %u timeout %u\n", + ma, hc, stpproto[pro], csize, ctime); + + PV2ID(ifbp.ifbop_designated_root, bprio, lladdr); + printf("\t\troot id %s priority %d ifcost %u port %u\n", + ether_ntoa((struct ether_addr *)lladdr), bprio, + ifbp.ifbop_root_path_cost, ifbp.ifbop_root_port & 0xfff); + + printf("\t\tipfilter %s flags 0x%x\n", + (ipfflags & IFBF_FILT_USEIPF) ? "enabled" : "disabled", ipfflags); + + bridge_interfaces(s, "\tmember: "); + + if (!all || verbose > 1) { + printf("\tAddress cache:\n"); + bridge_addresses(s, "\t\t"); + bridge_mac_nat(s, "\t\t"); + } + return; + +} + +static void +setbridge_add(const char *val, int d, int s, const struct afswtch *afp) +{ + struct ifbreq req; + + memset(&req, 0, sizeof(req)); + strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname)); + if (do_cmd(s, BRDGADD, &req, sizeof(req), 1) < 0) + err(1, "BRDGADD %s", val); +} + +static void +setbridge_delete(const char *val, int d, int s, const struct afswtch *afp) +{ + struct ifbreq req; + + memset(&req, 0, sizeof(req)); + strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname)); + if (do_cmd(s, BRDGDEL, &req, sizeof(req), 1) < 0) + err(1, "BRDGDEL %s", val); +} + +static void +setbridge_discover(const char *val, int d, int s, const struct afswtch *afp) +{ + + do_bridgeflag(s, val, IFBIF_DISCOVER, 1); +} + +static void +unsetbridge_discover(const char *val, int d, int s, const struct afswtch *afp) +{ + + do_bridgeflag(s, val, IFBIF_DISCOVER, 0); +} + +static void +setbridge_learn(const char *val, int d, int s, const struct afswtch *afp) +{ + + do_bridgeflag(s, val, IFBIF_LEARNING, 1); +} + +static void +unsetbridge_learn(const char *val, int d, int s, const struct afswtch *afp) +{ + + do_bridgeflag(s, val, IFBIF_LEARNING, 0); +} + +#ifdef notdef +static void +setbridge_sticky(const char *val, int d, int s, const struct afswtch *afp) +{ + + do_bridgeflag(s, val, IFBIF_STICKY, 1); +} + +static void +unsetbridge_sticky(const char *val, int d, int s, const struct afswtch *afp) +{ + + do_bridgeflag(s, val, IFBIF_STICKY, 0); +} + +static void +setbridge_span(const char *val, int d, int s, const struct afswtch *afp) +{ + struct ifbreq req; + + memset(&req, 0, sizeof(req)); + strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname)); + if (do_cmd(s, BRDGADDS, &req, sizeof(req), 1) < 0) + err(1, "BRDGADDS %s", val); +} + +static void +unsetbridge_span(const char *val, int d, int s, const struct afswtch *afp) +{ + struct ifbreq req; + + memset(&req, 0, sizeof(req)); + strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname)); + if (do_cmd(s, BRDGDELS, &req, sizeof(req), 1) < 0) + err(1, "BRDGDELS %s", val); +} +#endif + +static void +setbridge_stp(const char *val, int d, int s, const struct afswtch *afp) +{ + + do_bridgeflag(s, val, IFBIF_STP, 1); +} + +static void +unsetbridge_stp(const char *val, int d, int s, const struct afswtch *afp) +{ + + do_bridgeflag(s, val, IFBIF_STP, 0); +} + +#ifdef notdef +static void +setbridge_edge(const char *val, int d, int s, const struct afswtch *afp) +{ + do_bridgeflag(s, val, IFBIF_BSTP_EDGE, 1); +} + +static void +unsetbridge_edge(const char *val, int d, int s, const struct afswtch *afp) +{ + do_bridgeflag(s, val, IFBIF_BSTP_EDGE, 0); +} + +static void +setbridge_autoedge(const char *val, int d, int s, const struct afswtch *afp) +{ + do_bridgeflag(s, val, IFBIF_BSTP_AUTOEDGE, 1); +} + +static void +unsetbridge_autoedge(const char *val, int d, int s, const struct afswtch *afp) +{ + do_bridgeflag(s, val, IFBIF_BSTP_AUTOEDGE, 0); +} + +static void +setbridge_ptp(const char *val, int d, int s, const struct afswtch *afp) +{ + do_bridgeflag(s, val, IFBIF_BSTP_PTP, 1); +} + +static void +unsetbridge_ptp(const char *val, int d, int s, const struct afswtch *afp) +{ + do_bridgeflag(s, val, IFBIF_BSTP_PTP, 0); +} + +static void +setbridge_autoptp(const char *val, int d, int s, const struct afswtch *afp) +{ + do_bridgeflag(s, val, IFBIF_BSTP_AUTOPTP, 1); +} + +static void +unsetbridge_autoptp(const char *val, int d, int s, const struct afswtch *afp) +{ + do_bridgeflag(s, val, IFBIF_BSTP_AUTOPTP, 0); +} +#endif + +static void +setbridge_flush(const char *val, int d, int s, const struct afswtch *afp) +{ + struct ifbreq req; + + memset(&req, 0, sizeof(req)); + req.ifbr_ifsflags = IFBF_FLUSHDYN; + if (do_cmd(s, BRDGFLUSH, &req, sizeof(req), 1) < 0) + err(1, "BRDGFLUSH"); +} + +static void +setbridge_flushall(const char *val, int d, int s, const struct afswtch *afp) +{ + struct ifbreq req; + + memset(&req, 0, sizeof(req)); + req.ifbr_ifsflags = IFBF_FLUSHALL; + if (do_cmd(s, BRDGFLUSH, &req, sizeof(req), 1) < 0) + err(1, "BRDGFLUSH"); +} + +static void +setbridge_static(const char *val, const char *mac, int s, + const struct afswtch *afp) +{ + struct ifbareq req; + struct ether_addr *ea; + + memset(&req, 0, sizeof(req)); + strlcpy(req.ifba_ifsname, val, sizeof(req.ifba_ifsname)); + + ea = ether_aton(mac); + if (ea == NULL) + errx(1, "%s: invalid address: %s", val, mac); + + memcpy(req.ifba_dst, ea->octet, sizeof(req.ifba_dst)); + req.ifba_flags = IFBAF_STATIC; + req.ifba_vlan = 1; /* XXX allow user to specify */ + + if (do_cmd(s, BRDGSADDR, &req, sizeof(req), 1) < 0) + err(1, "BRDGSADDR %s", val); +} + +static void +setbridge_deladdr(const char *val, int d, int s, const struct afswtch *afp) +{ + struct ifbareq req; + struct ether_addr *ea; + + memset(&req, 0, sizeof(req)); + + ea = ether_aton(val); + if (ea == NULL) + errx(1, "invalid address: %s", val); + + memcpy(req.ifba_dst, ea->octet, sizeof(req.ifba_dst)); + + if (do_cmd(s, BRDGDADDR, &req, sizeof(req), 1) < 0) + err(1, "BRDGDADDR %s", val); +} + +static void +setbridge_addr(const char *val, int d, int s, const struct afswtch *afp) +{ + + bridge_addresses(s, ""); +} + +static void +setbridge_maxaddr(const char *arg, int d, int s, const struct afswtch *afp) +{ + struct ifbrparam param; + u_long val; + + if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0) + errx(1, "invalid value: %s", arg); + + param.ifbrp_csize = val & 0xffffffff; + + if (do_cmd(s, BRDGSCACHE, ¶m, sizeof(param), 1) < 0) + err(1, "BRDGSCACHE %s", arg); +} + +static void +setbridge_hellotime(const char *arg, int d, int s, const struct afswtch *afp) +{ + struct ifbrparam param; + u_long val; + + if (get_val(arg, &val) < 0 || (val & ~0xff) != 0) + errx(1, "invalid value: %s", arg); + + param.ifbrp_hellotime = val & 0xff; + + if (do_cmd(s, BRDGSHT, ¶m, sizeof(param), 1) < 0) + err(1, "BRDGSHT %s", arg); +} + +static void +setbridge_fwddelay(const char *arg, int d, int s, const struct afswtch *afp) +{ + struct ifbrparam param; + u_long val; + + if (get_val(arg, &val) < 0 || (val & ~0xff) != 0) + errx(1, "invalid value: %s", arg); + + param.ifbrp_fwddelay = val & 0xff; + + if (do_cmd(s, BRDGSFD, ¶m, sizeof(param), 1) < 0) + err(1, "BRDGSFD %s", arg); +} + +static void +setbridge_maxage(const char *arg, int d, int s, const struct afswtch *afp) +{ + struct ifbrparam param; + u_long val; + + if (get_val(arg, &val) < 0 || (val & ~0xff) != 0) + errx(1, "invalid value: %s", arg); + + param.ifbrp_maxage = val & 0xff; + + if (do_cmd(s, BRDGSMA, ¶m, sizeof(param), 1) < 0) + err(1, "BRDGSMA %s", arg); +} + +static void +setbridge_priority(const char *arg, int d, int s, const struct afswtch *afp) +{ + struct ifbrparam param; + u_long val; + + if (get_val(arg, &val) < 0 || (val & ~0xffff) != 0) + errx(1, "invalid value: %s", arg); + + param.ifbrp_prio = val & 0xffff; + + if (do_cmd(s, BRDGSPRI, ¶m, sizeof(param), 1) < 0) + err(1, "BRDGSPRI %s", arg); +} + +#ifdef notdef +static void +setbridge_protocol(const char *arg, int d, int s, const struct afswtch *afp) +{ + struct ifbrparam param; + + if (strcasecmp(arg, "stp") == 0) { + param.ifbrp_proto = 0; + } else if (strcasecmp(arg, "rstp") == 0) { + param.ifbrp_proto = 2; + } else { + errx(1, "unknown stp protocol"); + } + + if (do_cmd(s, BRDGSPROTO, ¶m, sizeof(param), 1) < 0) + err(1, "BRDGSPROTO %s", arg); +} + +static void +setbridge_holdcount(const char *arg, int d, int s, const struct afswtch *afp) +{ + struct ifbrparam param; + u_long val; + + if (get_val(arg, &val) < 0 || (val & ~0xff) != 0) + errx(1, "invalid value: %s", arg); + + param.ifbrp_txhc = val & 0xff; + + if (do_cmd(s, BRDGSTXHC, ¶m, sizeof(param), 1) < 0) + err(1, "BRDGSTXHC %s", arg); +} +#endif + +static void +setbridge_ifpriority(const char *ifn, const char *pri, int s, + const struct afswtch *afp) +{ + struct ifbreq req; + u_long val; + + memset(&req, 0, sizeof(req)); + + if (get_val(pri, &val) < 0 || (val & ~0xff) != 0) + errx(1, "invalid value: %s", pri); + + strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname)); + req.ifbr_priority = val & 0xff; + + if (do_cmd(s, BRDGSIFPRIO, &req, sizeof(req), 1) < 0) + err(1, "BRDGSIFPRIO %s", pri); +} + +static void +setbridge_ifpathcost(const char *ifn, const char *cost, int s, + const struct afswtch *afp) +{ + struct ifbreq req; + u_long val; + + memset(&req, 0, sizeof(req)); + + if (get_val(cost, &val) < 0) + errx(1, "invalid value: %s", cost); + + strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname)); + req.ifbr_path_cost = val; + + if (do_cmd(s, BRDGSIFCOST, &req, sizeof(req), 1) < 0) + err(1, "BRDGSIFCOST %s", cost); +} + +#ifdef notdef +static void +setbridge_ifmaxaddr(const char *ifn, const char *arg, int s, + const struct afswtch *afp) +{ + struct ifbreq req; + u_long val; + + memset(&req, 0, sizeof(req)); + + if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0) + errx(1, "invalid value: %s", arg); + + strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname)); + req.ifbr_addrmax = val & 0xffffffff; + + if (do_cmd(s, BRDGSIFAMAX, &req, sizeof(req), 1) < 0) + err(1, "BRDGSIFAMAX %s", arg); +} +#endif + +static void +setbridge_timeout(const char *arg, int d, int s, const struct afswtch *afp) +{ + struct ifbrparam param; + u_long val; + + if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0) + errx(1, "invalid value: %s", arg); + + param.ifbrp_ctime = val & 0xffffffff; + + if (do_cmd(s, BRDGSTO, ¶m, sizeof(param), 1) < 0) + err(1, "BRDGSTO %s", arg); +} + +#ifdef notdef +static void +setbridge_private(const char *val, int d, int s, const struct afswtch *afp) +{ + + do_bridgeflag(s, val, IFBIF_PRIVATE, 1); +} + +static void +unsetbridge_private(const char *val, int d, int s, const struct afswtch *afp) +{ + + do_bridgeflag(s, val, IFBIF_PRIVATE, 0); +} +#endif + + +static void +setbridge_hostfilter(const char *ifn, const char *addr, int s, + const struct afswtch *afp) +{ + struct ifbrhostfilter req; + struct ether_addr *ea; + struct in_addr in; + + memset(&req, 0, sizeof(req)); + req.ifbrhf_flags = IFBRHF_ENABLED; + + strlcpy(req.ifbrhf_ifsname, ifn, sizeof(req.ifbrhf_ifsname)); + + ea = ether_aton(addr); + if (ea != NULL) { + req.ifbrhf_flags |= IFBRHF_HWSRC; + bcopy(ea, req.ifbrhf_hwsrca, sizeof(req.ifbrhf_hwsrca)); + } else if (inet_aton(addr, &in) != 0) { + req.ifbrhf_flags |= IFBRHF_IPSRC; + req.ifbrhf_ipsrc = in.s_addr; + } else + errx(1, "invalid address: %s", addr); + + if (do_cmd(s, BRDGSHOSTFILTER, &req, sizeof(req), 1) < 0) + err(1, "BRDGSHOSTFILTER %s %s", ifn, addr); +} + +static void +unsetbridge_hostfilter(const char *ifn, int d, int s, const struct afswtch *afp) +{ + struct ifbrhostfilter req; + + memset(&req, 0, sizeof(req)); + strlcpy(req.ifbrhf_ifsname, ifn, sizeof(req.ifbrhf_ifsname)); + + if (do_cmd(s, BRDGSHOSTFILTER, &req, sizeof(req), 1) < 0) + err(1, "BRDGSHOSTFILTER"); +} + +static void +setbridge_macnat(const char *val, int d, int s, const struct afswtch *afp) +{ + + do_bridgeflag(s, val, IFBIF_MAC_NAT, 1); +} + +static void +unsetbridge_macnat(const char *val, int d, int s, const struct afswtch *afp) +{ + + do_bridgeflag(s, val, IFBIF_MAC_NAT, 0); +} + +static struct cmd bridge_cmds[] = { + DEF_CMD_ARG("addm", setbridge_add), + DEF_CMD_ARG("deletem", setbridge_delete), + DEF_CMD_ARG("discover", setbridge_discover), + DEF_CMD_ARG("-discover", unsetbridge_discover), + DEF_CMD_ARG("learn", setbridge_learn), + DEF_CMD_ARG("-learn", unsetbridge_learn), +#ifdef notdef + DEF_CMD_ARG("sticky", setbridge_sticky), + DEF_CMD_ARG("-sticky", unsetbridge_sticky), + DEF_CMD_ARG("span", setbridge_span), + DEF_CMD_ARG("-span", unsetbridge_span), +#endif + DEF_CMD_ARG("stp", setbridge_stp), + DEF_CMD_ARG("-stp", unsetbridge_stp), +#ifdef notdef + DEF_CMD_ARG("edge", setbridge_edge), + DEF_CMD_ARG("-edge", unsetbridge_edge), + DEF_CMD_ARG("autoedge", setbridge_autoedge), + DEF_CMD_ARG("-autoedge", unsetbridge_autoedge), + DEF_CMD_ARG("ptp", setbridge_ptp), + DEF_CMD_ARG("-ptp", unsetbridge_ptp), + DEF_CMD_ARG("autoptp", setbridge_autoptp), + DEF_CMD_ARG("-autoptp", unsetbridge_autoptp), +#endif + DEF_CMD("flush", 0, setbridge_flush), + DEF_CMD("flushall", 0, setbridge_flushall), + DEF_CMD_ARG2("static", setbridge_static), + DEF_CMD_ARG("deladdr", setbridge_deladdr), + DEF_CMD("addr", 1, setbridge_addr), + DEF_CMD_ARG("maxaddr", setbridge_maxaddr), + DEF_CMD_ARG("hellotime", setbridge_hellotime), + DEF_CMD_ARG("fwddelay", setbridge_fwddelay), + DEF_CMD_ARG("maxage", setbridge_maxage), + DEF_CMD_ARG("priority", setbridge_priority), +#ifdef notdef + DEF_CMD_ARG("proto", setbridge_protocol), + DEF_CMD_ARG("holdcnt", setbridge_holdcount), +#endif + DEF_CMD_ARG2("ifpriority", setbridge_ifpriority), + DEF_CMD_ARG2("ifpathcost", setbridge_ifpathcost), +#ifdef notdef + DEF_CMD_ARG2("ifmaxaddr", setbridge_ifmaxaddr), +#endif + DEF_CMD_ARG("timeout", setbridge_timeout), +#ifdef notdef + DEF_CMD_ARG("private", setbridge_private), + DEF_CMD_ARG("-private", unsetbridge_private), +#endif + DEF_CMD_ARG2("hostfilter", setbridge_hostfilter), + DEF_CMD_ARG("-hostfilter", unsetbridge_hostfilter), + DEF_CMD_ARG("macnat", setbridge_macnat), + DEF_CMD_ARG("-macnat", unsetbridge_macnat), +}; +static struct afswtch af_bridge = { + .af_name = "af_bridge", + .af_af = AF_UNSPEC, + .af_other_status = bridge_status, +}; + +static __constructor void +bridge_ctor(void) +{ +#define N(a) (sizeof(a) / sizeof(a[0])) + int i; + + for (i = 0; i < N(bridge_cmds); i++) + cmd_register(&bridge_cmds[i]); + af_register(&af_bridge); +#undef N +} |