diff options
Diffstat (limited to 'network_cmds/ifconfig.tproj/af_link.c')
| -rw-r--r-- | network_cmds/ifconfig.tproj/af_link.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/network_cmds/ifconfig.tproj/af_link.c b/network_cmds/ifconfig.tproj/af_link.c new file mode 100644 index 0000000..ca9444c --- /dev/null +++ b/network_cmds/ifconfig.tproj/af_link.c @@ -0,0 +1,164 @@ +/* + * Copyright (c) 2009 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 (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. + */ + +#include <sys/types.h> +#include <sys/ioctl.h> +#include <sys/socket.h> +#include <net/if.h> + +#include <err.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ifaddrs.h> + +#include <net/if_dl.h> +#include <net/if_types.h> +#include <net/ethernet.h> + +#include "ifconfig.h" + +static struct ifreq link_ridreq; + +static void +link_status(int s __unused, const struct ifaddrs *ifa) +{ + /* XXX no const 'cuz LLADDR is defined wrong */ + struct sockaddr_dl *sdl = (struct sockaddr_dl *) ifa->ifa_addr; + + if (sdl != NULL && sdl->sdl_alen > 0) { +#ifdef notyet + if (sdl->sdl_type == IFT_ETHER && + sdl->sdl_alen == ETHER_ADDR_LEN) + printf("\tether %s\n", + ether_ntoa((struct ether_addr *)LLADDR(sdl))); + else { + int n = sdl->sdl_nlen > 0 ? sdl->sdl_nlen + 1 : 0; + + printf("\tlladdr %s\n", link_ntoa(sdl) + n); + } +#else + char *cp = (char *)LLADDR(sdl); + int n = sdl->sdl_alen; + + if (sdl->sdl_type == IFT_ETHER) + printf ("\tether "); + else + printf ("\tlladdr "); + while (--n >= 0) + printf("%02x%c",*cp++ & 0xff, n>0? ':' : ' '); + putchar('\n'); +#endif + } +} + +static void +link_getaddr(const char *addr, int which) +{ + char *temp; + struct sockaddr_dl sdl; + struct sockaddr *sa = &link_ridreq.ifr_addr; + size_t slen = strlen(addr); + + if (which != ADDR) + errx(1, "can't set link-level netmask or broadcast"); + if ((temp = malloc(slen + 2)) == NULL) + errx(1, "malloc failed"); + temp[0] = ':'; + strlcpy(temp + 1, addr, slen + 1); + sdl.sdl_len = sizeof(sdl); + link_addr(temp, &sdl); + free(temp); + if (sdl.sdl_alen > sizeof(sa->sa_data)) + errx(1, "malformed link-level address"); + sa->sa_family = AF_LINK; + sa->sa_len = sdl.sdl_alen; + bcopy(LLADDR(&sdl), sa->sa_data, sdl.sdl_alen); +} + +static struct afswtch af_link = { + .af_name = "link", + .af_af = AF_LINK, + .af_status = link_status, + .af_getaddr = link_getaddr, + .af_aifaddr = SIOCSIFLLADDR, + .af_addreq = &link_ridreq, +}; +static struct afswtch af_ether = { + .af_name = "ether", + .af_af = AF_LINK, + .af_status = link_status, + .af_getaddr = link_getaddr, + .af_aifaddr = SIOCSIFLLADDR, + .af_addreq = &link_ridreq, +}; +static struct afswtch af_lladdr = { + .af_name = "lladdr", + .af_af = AF_LINK, + .af_status = link_status, + .af_getaddr = link_getaddr, + .af_aifaddr = SIOCSIFLLADDR, + .af_addreq = &link_ridreq, +}; + +static __constructor void +link_ctor(void) +{ + af_register(&af_link); + af_register(&af_ether); + af_register(&af_lladdr); +} |