/* * This file is part of the Sofia-SIP package * * Copyright (C) 2005 Nokia Corporation. * * Contact: Pekka Pessi <pekka.pessi@nokia.com> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA * */ /**@page localinfo list local network addresses * * @section synopsis Synopsis * * <tt>localinfo [-imdn46gslh] [domainname]</tt> * * @section description Description * * The @em localinfo utility will obtain the local network addresses * and print them. * * @section options Options * * The @e localinfo utility accepts following command line options: * <dl> * <dt>-i</dt> * <dd>include interface name.</dd> * <dt>-m</dt> * <dd>map IPv4 addresses.</dd> * <dt>-d</dt> * <dd>require a reverse DNS entry.</dd> * <dt>-n</dt> * <dd>use numeric host names.</dd> * <dt>-4</dt> * <dd>IPv4 only.</dd> * <dt>-6</dt> * <dd>IPv6 only (but including mapped IPv4 addresses).</dd> * <dt>-g</dt> * <dd>Global addresses.</dd> * <dt>-s</dt> * <dd>Site-level addresses.</dd> * <dt>-l</dt> * <dd>Link-level addresses.</dd> * <dt>-h</dt> * <dd>Host-internal addresses.</dd> * </dl> * * @section examples Examples * * You want to find out local IPv6 addresses: * @code * $ localinfo -6 * @endcode * You want to find out to link-local addresses * @code * $ localinfo -l -n * @endcode * * @section bugs Reporting Bugs * Report bugs to <sofia-sip-devel@lists.sourceforge.net>. * * @section author Author * Written by Pekka Pessi <pekka -dot pessi -at- nokia -dot- com> * * @section copyright Copyright * Copyright (C) 2005 Nokia Corporation. * * This program is free software; see the source for copying conditions. * There is @b NO warranty; not even for @b MERCHANTABILITY or <b>FITNESS * FOR A PARTICULAR PURPOSE</b>. */ #include "config.h" #include <stdio.h> #include <string.h> #include <stdlib.h> #include "sofia-sip/su.h" #include "sofia-sip/su_localinfo.h" #include "su_module_debug.h" char const help[] = "usage: localinfo [-imdn46gslh] [domainname]\n" "\t-i include interface name\n" "\t-m map IPv4 addresses\n" "\t-d require DNS entry\n" "\t-n use numeric host names\n" "\t-4 IPv4 only\n" "\t-6 IPv6 only (but including mapped IPv4 addresses)\n" "\t-g Global addresses\n" "\t-s Site-level addresses\n" "\t-l Link-level addresses\n" "\t-h Host-internal addresses\n"; int getopt(int argc, char * const argv[], char const *opstring); extern int optind; static void usage(int returncode) { fputs(help, stderr); exit(returncode); } int main(int argc, char *argv[]) { char buffer[SU_ADDRSIZE]; su_localinfo_t hints[1] = {{ LI_CANONNAME }}; su_localinfo_t *li, *res = NULL; int error; int ifindex = 0; if (argv[1] && strcmp(argv[1], "--help") == 0) usage(0); for (;;) { switch(getopt(argc, argv, "iImdn46gslh")) { case 'I': ifindex = 1; break; case 'i': hints->li_flags |= LI_IFNAME; ifindex = 1; break; case 'm': hints->li_flags |= LI_V4MAPPED; break; case '4': hints->li_family = AF_INET; break; #if SU_HAVE_IN6 case '6': hints->li_family = AF_INET6; break; #endif case 'd': hints->li_flags |= LI_NAMEREQD; break; case 'n': hints->li_flags |= LI_NUMERIC; break; case 'g': hints->li_scope |= LI_SCOPE_GLOBAL; break; case 's': hints->li_scope |= LI_SCOPE_SITE; break; case 'l': hints->li_scope |= LI_SCOPE_LINK; break; case 'h': hints->li_scope |= LI_SCOPE_HOST; break; case -1: goto main; default: usage(1); } } main: if (optind < argc) hints->li_canonname = argv[optind++]; if (optind < argc) usage(1); su_init(); if ((error = su_getlocalinfo(hints, &res)) == 0) { for (li = res; li; li = li->li_next) { if (li->li_flags & LI_NUMERIC) { fputs(li->li_canonname, stdout); } else { su_inet_ntop(li->li_family, SU_ADDR(li->li_addr), buffer, sizeof(buffer)); printf("%s maddr=[%s]", li->li_canonname, buffer); } if (li->li_scope & LI_SCOPE_GLOBAL) fputs(" scope=global", stdout); else if (li->li_scope & LI_SCOPE_SITE) fputs(" scope=site", stdout); else if (li->li_scope & LI_SCOPE_LINK) fputs(" scope=link", stdout); else if (li->li_scope & LI_SCOPE_HOST) fputs(" scope=host", stdout); if (ifindex) { if (li->li_ifname) printf(" if[%d]=%s", li->li_index, li->li_ifname); else printf(" if[%d]", li->li_index); } puts(""); } su_freelocalinfo(res); } else { fprintf(stderr, "localinfo: %s\n", su_gli_strerror(error)); error = 1; } su_deinit(); return error; }