version 1.1.2.1, 2009/12/18 14:12:24
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version 1.4, 2013/01/18 12:58:14
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/************************************************************************* |
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* (C) 2010 AITNET - Sofia/Bulgaria - <office@aitbg.com> |
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* by Michael Pounov <misho@aitbg.com> |
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* |
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* $Author$ |
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* $Id$ |
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* |
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************************************************************************* |
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The ELWIX and AITNET software is distributed under the following |
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terms: |
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All of the documentation and software included in the ELWIX and AITNET |
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Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
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Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
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by Michael Pounov <misho@elwix.org>. All rights reserved. |
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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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3. All advertising materials mentioning features or use of this software |
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must display the following acknowledgement: |
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This product includes software developed by Michael Pounov <misho@elwix.org> |
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ELWIX - Embedded LightWeight unIX and its contributors. |
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4. Neither the name of AITNET nor the names of its contributors |
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may be used to endorse or promote products derived from this software |
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without specific prior written permission. |
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THIS SOFTWARE IS PROVIDED BY AITNET 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 REGENTS 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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*/ |
#include "global.h" |
#include "global.h" |
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#include "get1steth.h" |
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int main() | char szIface[STRSIZ]; |
| int Verbose; |
| extern char compiled[], compiledby[], compilehost[]; |
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| static void Usage() |
{ |
{ |
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printf("-= GET_FIRST_ETHERNET =- Get First Ethernet Interface tool\n" |
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"=== %s === %s@%s ===\n\n" |
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"Syntax: get1steth [option] [custom_first_interface]\n\n" |
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"\t-v\t\tVerbose (more -v more verbosity)\n" |
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"\t-g\t\tOnly get first interface, print and exit ...\n" |
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"\n", compiled, compiledby, compilehost); |
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} |
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#ifdef HAVE_KLDNEXT |
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static int kldLoad() |
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{ |
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struct module_stat mstat; |
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register int i, j; |
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u_char flg = 0; |
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memset(&mstat, 0, sizeof mstat); |
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mstat.version = sizeof mstat; |
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for (i = kldnext(0); i > 0; i = kldnext(i)) |
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for (j = kldfirstmod(i); j > 0; j = modfnext(j)) { |
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if (modstat(j, &mstat) == -1) |
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continue; |
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if (!strncmp(MODVLAN, mstat.name, sizeof MODVLAN)) { |
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flg = 1; |
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break; |
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} |
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} |
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if (flg) |
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return 0; |
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if (kldload(MODVLAN) == -1) |
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return -1; |
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return 1; |
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} |
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#endif |
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// ------------------------------- |
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int main(int argc, char **argv) |
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{ |
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char ch, GetOnly = 0; |
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struct ifaddrs *ifa, *ifp; |
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struct sockaddr_dl *sdl; |
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struct sockaddr_in *sin; |
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struct ifreq ifr; |
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struct vlanreq vlr; |
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struct ifaliasreq ifra; |
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struct ifmediareq ifmr; |
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int s; |
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while ((ch = getopt(argc, argv, "hvg")) != -1) |
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switch (ch) { |
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case 'g': |
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GetOnly = 1; |
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break; |
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case 'v': |
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Verbose++; |
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break; |
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case 'h': |
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default: |
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Usage(); |
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return 1; |
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} |
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argc -= optind; |
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argv += optind; |
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openlog("get1steth", LOG_CONS | LOG_PERROR, LOG_USER); |
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if (argc) { |
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strlcpy(szIface, *argv, sizeof szIface); |
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VERB(1) syslog(LOG_NOTICE, "Info:: Get CUSTOM first interface %s\n", szIface); |
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} else { |
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s = socket(PF_INET, SOCK_DGRAM, 0); |
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if (-1 == s) { |
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syslog(LOG_ERR, "Error:: socket(INET) #%d - %s\n", errno, strerror(errno)); |
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closelog(); |
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return 1; |
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} |
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getifaddrs(&ifa); |
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for (ifp = ifa; ifp; ifp = ifp->ifa_next) { |
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if (PF_LINK == ifp->ifa_addr->sa_family && |
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IFT_ETHER == ((struct sockaddr_dl*) ifp->ifa_addr)->sdl_type) { |
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memset(&ifmr, 0, sizeof ifmr); |
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strlcpy(ifmr.ifm_name, ifp->ifa_name, IFNAMSIZ); |
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if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { |
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syslog(LOG_ERR, "Error:: media interface=%s ioctl(SIOCGIFMEDIA) #%d - %s\n", |
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ifmr.ifm_name, errno, strerror(errno)); |
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close(s); |
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closelog(); |
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return 1; |
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} |
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if (IFM_ETHER == IFM_TYPE(ifmr.ifm_current)) { |
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strlcpy(szIface, ifp->ifa_name, sizeof szIface); |
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sdl = (struct sockaddr_dl*) ifp->ifa_addr; |
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VERB(2) syslog(LOG_NOTICE, "Info:: Get first interface=%s MAC=%s\n", szIface, |
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ether_ntoa((struct ether_addr*) LLADDR(sdl))); |
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break; |
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} |
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} |
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} |
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freeifaddrs(ifa); |
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close(s); |
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} |
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if (!*szIface) { |
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syslog(LOG_NOTICE, "Info:: Ethernet interface not found!!!\n"); |
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closelog(); |
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return 1; |
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} |
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if (GetOnly) { |
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printf("%s\n", szIface); |
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closelog(); |
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return 0; |
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} |
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#ifdef HAVE_KLDNEXT |
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s = kldLoad(); |
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if (s == -1) { |
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syslog(LOG_ERR, "Error:: kldload(if_vlan) Can`t operate with vlans ...\n"); |
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return 1; |
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} else |
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VERB(3) syslog(LOG_NOTICE, "VLAN module ... %s\n", s ? "Loaded" : "Already loaded"); |
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#endif |
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// create vlan |
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memset(&ifr, 0, sizeof ifr); |
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strlcpy(vlr.vlr_parent, szIface, IFNAMSIZ); |
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vlr.vlr_tag = MGMT_VTAG; |
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strlcpy(ifr.ifr_name, MGMT_IFACE, IFNAMSIZ); |
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ifr.ifr_data = (void *) &vlr; |
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s = socket(PF_INET, SOCK_DGRAM, 0); |
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if (-1 == s) { |
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syslog(LOG_ERR, "Error:: socket(INET) #%d - %s\n", errno, strerror(errno)); |
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closelog(); |
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return 2; |
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} |
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#ifdef SIOCIFCREATE2 |
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if (ioctl(s, SIOCIFCREATE2, &ifr) == -1 && errno != EEXIST) { |
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#else |
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if (ioctl(s, SIOCIFCREATE, &ifr) == -1 && errno != EEXIST) { |
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#endif |
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syslog(LOG_ERR, "Error:: Create interface=%s ioctl(SIOCIFCREATE2) #%d - %s\n", |
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MGMT_IFACE, errno, strerror(errno)); |
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close(s); |
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return 2; |
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} |
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memset(&ifra, 0, sizeof ifra); |
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#if defined(__FreeBSD__) |
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// rename iface |
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VERB(2) syslog(LOG_NOTICE, "Info:: Created interface=%s\n", MGMT_IFACE); |
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ifr.ifr_data = MGMT_NAME; |
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if (errno != EEXIST && ioctl(s, SIOCSIFNAME, &ifr) == -1) { |
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syslog(LOG_ERR, "Error:: Managment interface=%s ioctl(SIOCSIFNAME) #%d - %s\n", |
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MGMT_NAME, errno, strerror(errno)); |
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close(s); |
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return 2; |
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} else |
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VERB(2) syslog(LOG_NOTICE, "Info:: Managment interface=%s\n", MGMT_NAME); |
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strlcpy(ifra.ifra_name, MGMT_NAME, IFNAMSIZ); |
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#else |
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strlcpy(ifra.ifra_name, MGMT_IFACE, IFNAMSIZ); |
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#endif |
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// assign address & up |
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sin = (struct sockaddr_in*) &ifra.ifra_addr; |
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sin->sin_len = sizeof ifra.ifra_addr; |
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sin->sin_family = AF_INET; |
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sin->sin_addr.s_addr = inet_addr(MGMT_ADDR); |
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sin = (struct sockaddr_in*) &ifra.ifra_mask; |
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sin->sin_len = sizeof ifra.ifra_mask; |
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sin->sin_family = AF_INET; |
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sin->sin_addr.s_addr = inet_addr(MGMT_MASK); |
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if (ioctl(s, SIOCAIFADDR, &ifra) == -1) { |
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syslog(LOG_ERR, "Error:: IP %s ioctl(SIOCAIFADDR) #%d - %s\n", |
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MGMT_ADDR, errno, strerror(errno)); |
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close(s); |
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return 2; |
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} else |
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VERB(2) syslog(LOG_NOTICE, "Info:: IP %s\n", MGMT_ADDR); |
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close(s); |
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closelog(); |
return 0; |
return 0; |
} |
} |