+++ /dev/null
-/***
- This file is part of avahi.
-
- avahi 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.
-
- avahi 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 avahi; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- USA.
-***/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <getopt.h>
-#include <assert.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <net/if.h>
-#include <locale.h>
-
-#include <avahi-common/simple-watch.h>
-#include <avahi-common/error.h>
-#include <avahi-common/malloc.h>
-#include <avahi-common/domain.h>
-#include <avahi-common/llist.h>
-#include <avahi-common/i18n.h>
-#include <avahi-client/client.h>
-#include <avahi-client/lookup.h>
-
-#include "sigint.h"
-
-typedef enum {
- COMMAND_UNSPEC,
- COMMAND_HELP,
- COMMAND_VERSION,
- COMMAND_RESOLVE_HOST_NAME,
- COMMAND_RESOLVE_ADDRESS
-} Command;
-
-typedef struct Config {
- int verbose;
- Command command;
- AvahiProtocol proto;
-} Config;
-
-static AvahiSimplePoll *simple_poll = NULL;
-static AvahiClient *client = NULL;
-
-static int n_resolving = 0;
-
-static void host_name_resolver_callback(
- AvahiHostNameResolver *r,
- AVAHI_GCC_UNUSED AvahiIfIndex interface,
- AVAHI_GCC_UNUSED AvahiProtocol protocol,
- AvahiResolverEvent event,
- const char *name,
- const AvahiAddress *a,
- AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
- AVAHI_GCC_UNUSED void *userdata) {
-
- assert(r);
-
- switch (event) {
- case AVAHI_RESOLVER_FOUND: {
- char address[AVAHI_ADDRESS_STR_MAX];
-
- avahi_address_snprint(address, sizeof(address), a);
-
- printf("%s\t%s\n", name, address);
-
- break;
- }
-
- case AVAHI_RESOLVER_FAILURE:
-
- fprintf(stderr, _("Failed to resolve host name '%s': %s\n"), name, avahi_strerror(avahi_client_errno(client)));
- break;
- }
-
-
- avahi_host_name_resolver_free(r);
-
- assert(n_resolving > 0);
- n_resolving--;
-
- if (n_resolving <= 0)
- avahi_simple_poll_quit(simple_poll);
-}
-
-static void address_resolver_callback(
- AvahiAddressResolver *r,
- AVAHI_GCC_UNUSED AvahiIfIndex interface,
- AVAHI_GCC_UNUSED AvahiProtocol protocol,
- AvahiResolverEvent event,
- const AvahiAddress *a,
- const char *name,
- AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
- AVAHI_GCC_UNUSED void *userdata) {
-
- char address[AVAHI_ADDRESS_STR_MAX];
- assert(r);
-
- avahi_address_snprint(address, sizeof(address), a);
-
- switch (event) {
- case AVAHI_RESOLVER_FOUND:
-
- printf("%s\t%s\n", address, name);
- break;
-
- case AVAHI_RESOLVER_FAILURE:
-
- fprintf(stderr, _("Failed to resolve address '%s': %s\n"), address, avahi_strerror(avahi_client_errno(client)));
- break;
- }
-
-
- avahi_address_resolver_free(r);
-
- assert(n_resolving > 0);
- n_resolving--;
-
- if (n_resolving <= 0)
- avahi_simple_poll_quit(simple_poll);
-}
-
-static void client_callback(AvahiClient *c, AvahiClientState state, AVAHI_GCC_UNUSED void * userdata) {
- switch (state) {
- case AVAHI_CLIENT_FAILURE:
- fprintf(stderr, _("Client failure, exiting: %s\n"), avahi_strerror(avahi_client_errno(c)));
- avahi_simple_poll_quit(simple_poll);
- break;
-
- case AVAHI_CLIENT_S_REGISTERING:
- case AVAHI_CLIENT_S_RUNNING:
- case AVAHI_CLIENT_S_COLLISION:
- case AVAHI_CLIENT_CONNECTING:
- ;
- }
-}
-
-static void help(FILE *f, const char *argv0) {
- fprintf(f,
- _("%s [options] %s <host name ...>\n"
- "%s [options] %s <address ... >\n\n"
- " -h --help Show this help\n"
- " -V --version Show version\n"
- " -n --name Resolve host name\n"
- " -a --address Resolve address\n"
- " -v --verbose Enable verbose mode\n"
- " -6 Lookup IPv6 address\n"
- " -4 Lookup IPv4 address\n"),
- argv0, strstr(argv0, "host-name") ? "[-n]" : "-n",
- argv0, strstr(argv0, "address") ? "[-a]" : "-a");
-}
-
-static int parse_command_line(Config *c, const char *argv0, int argc, char *argv[]) {
- int o;
-
- static const struct option long_options[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, 'V' },
- { "name", no_argument, NULL, 'n' },
- { "address", no_argument, NULL, 'a' },
- { "verbose", no_argument, NULL, 'v' },
- { NULL, 0, NULL, 0 }
- };
-
- assert(c);
-
- c->command = strstr(argv0, "address") ? COMMAND_RESOLVE_ADDRESS : (strstr(argv0, "host-name") ? COMMAND_RESOLVE_HOST_NAME : COMMAND_UNSPEC);
- c->proto = AVAHI_PROTO_UNSPEC;
- c->verbose = 0;
-
- while ((o = getopt_long(argc, argv, "hVnav46", long_options, NULL)) >= 0) {
-
- switch(o) {
- case 'h':
- c->command = COMMAND_HELP;
- break;
- case 'V':
- c->command = COMMAND_VERSION;
- break;
- case 'n':
- c->command = COMMAND_RESOLVE_HOST_NAME;
- break;
- case 'a':
- c->command = COMMAND_RESOLVE_ADDRESS;
- break;
- case 'v':
- c->verbose = 1;
- break;
- case '4':
- c->proto = AVAHI_PROTO_INET;
- break;
- case '6':
- c->proto = AVAHI_PROTO_INET6;
- break;
- default:
- return -1;
- }
- }
-
- if (c->command == COMMAND_RESOLVE_ADDRESS || c->command == COMMAND_RESOLVE_HOST_NAME) {
- if (optind >= argc) {
- fprintf(stderr, _("Too few arguments\n"));
- return -1;
- }
- }
-
- return 0;
-}
-
-int main(int argc, char *argv[]) {
- int ret = 1, error;
- Config config;
- const char *argv0;
-
- avahi_init_i18n();
- setlocale(LC_ALL, "");
-
- if ((argv0 = strrchr(argv[0], '/')))
- argv0++;
- else
- argv0 = argv[0];
-
- if (parse_command_line(&config, argv0, argc, argv) < 0)
- goto fail;
-
- switch (config.command) {
- case COMMAND_UNSPEC:
- ret = 1;
- fprintf(stderr, _("No command specified.\n"));
- break;
-
- case COMMAND_HELP:
- help(stdout, argv0);
- ret = 0;
- break;
-
- case COMMAND_VERSION:
- printf("%s "PACKAGE_VERSION"\n", argv0);
- ret = 0;
- break;
-
- case COMMAND_RESOLVE_HOST_NAME:
- case COMMAND_RESOLVE_ADDRESS: {
- int i;
-
- if (!(simple_poll = avahi_simple_poll_new())) {
- fprintf(stderr, _("Failed to create simple poll object.\n"));
- goto fail;
- }
-
- if (sigint_install(simple_poll) < 0)
- goto fail;
-
- if (!(client = avahi_client_new(avahi_simple_poll_get(simple_poll), 0, client_callback, NULL, &error))) {
- fprintf(stderr, _("Failed to create client object: %s\n"), avahi_strerror(error));
- goto fail;
- }
-
- if (config.verbose) {
- const char *version, *hn;
-
- if (!(version = avahi_client_get_version_string(client))) {
- fprintf(stderr, _("Failed to query version string: %s\n"), avahi_strerror(avahi_client_errno(client)));
- goto fail;
- }
-
- if (!(hn = avahi_client_get_host_name_fqdn(client))) {
- fprintf(stderr, _("Failed to query host name: %s\n"), avahi_strerror(avahi_client_errno(client)));
- goto fail;
- }
-
- fprintf(stderr, _("Server version: %s; Host name: %s\n"), version, hn);
- }
-
- n_resolving = 0;
-
- for (i = optind; i < argc; i++) {
-
- if (config.command == COMMAND_RESOLVE_HOST_NAME) {
-
- if (!(avahi_host_name_resolver_new(client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, argv[i], config.proto, 0, host_name_resolver_callback, NULL))) {
- fprintf(stderr, _("Failed to create host name resolver: %s\n"), avahi_strerror(avahi_client_errno(client)));
- goto fail;
- }
-
- } else {
- AvahiAddress a;
-
- assert(config.command == COMMAND_RESOLVE_ADDRESS);
-
- if (!avahi_address_parse(argv[i], AVAHI_PROTO_UNSPEC, &a)) {
- fprintf(stderr, _("Failed to parse address '%s'\n"), argv[i]);
- goto fail;
- }
-
- if (!(avahi_address_resolver_new(client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, &a, 0, address_resolver_callback, NULL))) {
- fprintf(stderr, _("Failed to create address resolver: %s\n"), avahi_strerror(avahi_client_errno(client)));
- goto fail;
- }
- }
-
- n_resolving++;
- }
-
- avahi_simple_poll_loop(simple_poll);
- ret = 0;
- break;
- }
- }
-
-fail:
-
- if (client)
- avahi_client_free(client);
-
- sigint_uninstall();
-
- if (simple_poll)
- avahi_simple_poll_free(simple_poll);
-
- return ret;
-}
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