diff options
Diffstat (limited to 'sbin/ifconfig/af_atalk.c')
| -rw-r--r-- | sbin/ifconfig/af_atalk.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/sbin/ifconfig/af_atalk.c b/sbin/ifconfig/af_atalk.c new file mode 100644 index 0000000..0ceb8b9 --- /dev/null +++ b/sbin/ifconfig/af_atalk.c @@ -0,0 +1,184 @@ +/* + * Copyright (c) 1983, 1993 + * The Regents of the University of California. All rights reserved. + * + * 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. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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. + */ + +#ifndef lint +static const char rcsid[] = + "$FreeBSD$"; +#endif /* not lint */ + +#include <sys/types.h> +#include <sys/ioctl.h> +#include <sys/socket.h> +#include <net/if.h> +#include <net/route.h> /* for RTX_IFA */ + +#include <netatalk/at.h> + +#include <err.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include <arpa/inet.h> + +#include "ifconfig.h" + +static struct netrange at_nr; /* AppleTalk net range */ +static struct ifaliasreq at_addreq; + +/* XXX FIXME -- should use strtoul for better parsing. */ +static void +setatrange(const char *range, int dummy __unused, int s, + const struct afswtch *afp) +{ + u_int first = 123, last = 123; + + if (sscanf(range, "%u-%u", &first, &last) != 2 + || first == 0 || first > 0xffff + || last == 0 || last > 0xffff || first > last) + errx(1, "%s: illegal net range: %u-%u", range, first, last); + at_nr.nr_firstnet = htons(first); + at_nr.nr_lastnet = htons(last); +} + +static void +setatphase(const char *phase, int dummy __unused, int s, + const struct afswtch *afp) +{ + if (!strcmp(phase, "1")) + at_nr.nr_phase = 1; + else if (!strcmp(phase, "2")) + at_nr.nr_phase = 2; + else + errx(1, "%s: illegal phase", phase); +} + +static void +at_status(int s __unused, const struct rt_addrinfo * info) +{ + struct sockaddr_at *sat, null_sat; + struct netrange *nr; + + memset(&null_sat, 0, sizeof(null_sat)); + + sat = (struct sockaddr_at *)info->rti_info[RTAX_IFA]; + if (sat == NULL) + return; + nr = &sat->sat_range.r_netrange; + printf("\tatalk %d.%d range %d-%d phase %d", + ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, + ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); + if (flags & IFF_POINTOPOINT) { + /* note RTAX_BRD overlap with IFF_BROADCAST */ + sat = (struct sockaddr_at *)info->rti_info[RTAX_BRD]; + if (!sat) + sat = &null_sat; + printf("--> %d.%d", + ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); + } + if (flags & IFF_BROADCAST) { + /* note RTAX_BRD overlap with IFF_POINTOPOINT */ + sat = (struct sockaddr_at *)info->rti_info[RTAX_BRD]; + if (sat) + printf(" broadcast %d.%d", + ntohs(sat->sat_addr.s_net), + sat->sat_addr.s_node); + } + + putchar('\n'); +} + +static void +at_getaddr(const char *addr, int which) +{ + struct sockaddr_at *sat = (struct sockaddr_at *) &at_addreq.ifra_addr; + u_int net, node; + + sat->sat_family = AF_APPLETALK; + sat->sat_len = sizeof(*sat); + if (which == MASK) + errx(1, "AppleTalk does not use netmasks"); + if (sscanf(addr, "%u.%u", &net, &node) != 2 + || net > 0xffff || node > 0xfe) + errx(1, "%s: illegal address", addr); + sat->sat_addr.s_net = htons(net); + sat->sat_addr.s_node = node; +} + +static void +at_postproc(int s, const struct afswtch *afp) +{ + struct sockaddr_at *sat = (struct sockaddr_at *) &at_addreq.ifra_addr; + + if (at_nr.nr_phase == 0) + at_nr.nr_phase = 2; /* Default phase 2 */ + if (at_nr.nr_firstnet == 0) + at_nr.nr_firstnet = /* Default range of one */ + at_nr.nr_lastnet = sat->sat_addr.s_net; + printf("\tatalk %d.%d range %d-%d phase %d\n", + ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, + ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), + at_nr.nr_phase); + if ((u_short) ntohs(at_nr.nr_firstnet) > + (u_short) ntohs(sat->sat_addr.s_net) + || (u_short) ntohs(at_nr.nr_lastnet) < + (u_short) ntohs(sat->sat_addr.s_net)) + errx(1, "AppleTalk address is not in range"); + sat->sat_range.r_netrange = at_nr; +} + +static struct cmd atalk_cmds[] = { + DEF_CMD_ARG("range", setatrange), + DEF_CMD_ARG("phase", setatphase), +}; + +static struct afswtch af_atalk = { + .af_name = "atalk", + .af_af = AF_APPLETALK, + .af_status = at_status, + .af_getaddr = at_getaddr, + .af_postproc = at_postproc, + .af_difaddr = SIOCDIFADDR, + .af_aifaddr = SIOCAIFADDR, + .af_ridreq = &at_addreq, + .af_addreq = &at_addreq, +}; + +static __constructor void +atalk_ctor(void) +{ +#define N(a) (sizeof(a) / sizeof(a[0])) + int i; + + for (i = 0; i < N(atalk_cmds); i++) + cmd_register(&atalk_cmds[i]); + af_register(&af_atalk); +#undef N +} |
