de1a25778c
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@14611 ec53bebd-3082-4978-b11e-865c3cabbd6b
145 lines
3.9 KiB
C
145 lines
3.9 KiB
C
/*
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* Copyright (c) 1999 - 2000 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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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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*
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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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*
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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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*
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* 3. Neither the name of the Institute 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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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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RCSID("$Id$");
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#endif
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#include "roken.h"
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#include "getarg.h"
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static int flags;
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static int family;
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static int socktype;
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static int version_flag;
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static int help_flag;
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static struct getargs args[] = {
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{"flags", 0, arg_integer, &flags, "flags", NULL},
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{"family", 0, arg_integer, &family, "family", NULL},
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{"socktype",0, arg_integer, &socktype, "socktype", NULL},
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{"version", 0, arg_flag, &version_flag, "print version",NULL},
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{"help", 0, arg_flag, &help_flag, NULL, NULL}
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};
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static void
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usage(int ret)
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{
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arg_printusage (args,
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sizeof(args) / sizeof(args[0]),
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NULL,
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"[nodename servname...]");
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exit (ret);
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}
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static void
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doit (const char *nodename, const char *servname)
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{
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struct addrinfo hints;
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struct addrinfo *res, *r;
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int ret;
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printf ("(%s,%s)... ", nodename ? nodename : "null", servname);
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memset (&hints, 0, sizeof(hints));
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hints.ai_flags = flags;
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hints.ai_family = family;
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hints.ai_socktype = socktype;
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ret = getaddrinfo (nodename, servname, &hints, &res);
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if (ret) {
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printf ("error: %s\n", gai_strerror(ret));
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return;
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}
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printf ("\n");
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for (r = res; r != NULL; r = r->ai_next) {
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char addrstr[256];
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if (inet_ntop (r->ai_family,
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socket_get_address (r->ai_addr),
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addrstr, sizeof(addrstr)) == NULL) {
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printf ("\tbad address?\n");
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continue;
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}
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printf ("\tfamily = %d, socktype = %d, protocol = %d, "
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"address = \"%s\", port = %d",
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r->ai_family, r->ai_socktype, r->ai_protocol,
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addrstr,
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ntohs(socket_get_port (r->ai_addr)));
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if (r->ai_canonname)
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printf (", canonname = \"%s\"", r->ai_canonname);
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printf ("\n");
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}
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freeaddrinfo (res);
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}
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int
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main(int argc, char **argv)
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{
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int optind = 0;
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int i;
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setprogname (argv[0]);
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if (getarg (args, sizeof(args) / sizeof(args[0]), argc, argv,
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&optind))
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usage (1);
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if (help_flag)
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usage (0);
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if (version_flag) {
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fprintf (stderr, "%s from %s-%s)\n", getprogname(), PACKAGE, VERSION);
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return 0;
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}
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argc -= optind;
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argv += optind;
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if (argc % 2 != 0)
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usage (1);
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for (i = 0; i < argc; i += 2) {
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const char *nodename = argv[i];
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if (strcmp (nodename, "null") == 0)
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nodename = NULL;
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doit (nodename, argv[i+1]);
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}
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return 0;
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}
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