static int start(Config *config) {
assert(!browsing);
if (config->verbose && !config->parsable) {
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)));
return -1;
}
if (!(hn = avahi_client_get_host_name_fqdn(client))) {
fprintf(stderr, ("Failed to query host name: %s\n"), avahi_strerror(avahi_client_errno(client)));
return -1;
}
fprintf(stderr, ("Server version: %s; Host name: %s\n"), version, hn);
if (config->command == COMMAND_BROWSE_DOMAINS) {
/* Translators: This is a column heading with abbreviations for
* Event (+/-), Network Interface, Protocol (IPv4/v6), Domain */
fprintf(stderr, ("E Ifce Prot Domain\n"));
} else {
/* Translators: This is a column heading with abbreviations for
* Event (+/-), Network Interface, Protocol (IPv4/v6), Domain */
fprintf(stderr, ("E Ifce Prot %-*s %-20s Domain\n"), n_columns-35, ("Name"), ("Type"));
}
}
if (config->command == COMMAND_BROWSE_SERVICES)
browse_service_type(config, config->stype, config->domain);
else if (config->command == COMMAND_BROWSE_ALL_SERVICES)
browse_all(config);
else {
assert(config->command == COMMAND_BROWSE_DOMAINS);
browse_domains(config);
}
browsing = 1;
return 0;
}
static void
dnssdUpdateDNSSDName(int from_callback) /* I - Called from callback? */
{
char webif[1024]; /* Web interface share name */
# ifdef __APPLE__
SCDynamicStoreRef sc; /* Context for dynamic store */
CFDictionaryRef btmm; /* Back-to-My-Mac domains */
CFStringEncoding nameEncoding; /* Encoding of computer name */
CFStringRef nameRef; /* Host name CFString */
char nameBuffer[1024]; /* C-string buffer */
# endif /* __APPLE__ */
/*
* Only share the web interface and printers when non-local listening is
* enabled...
*/
if (!DNSSDPort)
{
/*
* Get the port we use for registrations. If we are not listening on any
* non-local ports, there is no sense sharing local printers via Bonjour...
*/
cupsd_listener_t *lis; /* Current listening socket */
for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners);
lis;
lis = (cupsd_listener_t *)cupsArrayNext(Listeners))
{
if (httpAddrLocalhost(&(lis->address)))
continue;
DNSSDPort = httpAddrPort(&(lis->address));
break;
}
}
if (!DNSSDPort)
return;
/*
* Get the computer name as a c-string...
*/
# ifdef __APPLE__
sc = SCDynamicStoreCreate(kCFAllocatorDefault, CFSTR("cupsd"), NULL, NULL);
if (sc)
{
/*
* Get the computer name from the dynamic store...
*/
cupsdClearString(&DNSSDComputerName);
if ((nameRef = SCDynamicStoreCopyComputerName(sc, &nameEncoding)) != NULL)
{
if (CFStringGetCString(nameRef, nameBuffer, sizeof(nameBuffer),
kCFStringEncodingUTF8))
{
cupsdLogMessage(CUPSD_LOG_DEBUG,
"Dynamic store computer name is \"%s\".", nameBuffer);
cupsdSetString(&DNSSDComputerName, nameBuffer);
}
CFRelease(nameRef);
}
if (!DNSSDComputerName)
{
/*
* Use the ServerName instead...
*/
cupsdLogMessage(CUPSD_LOG_DEBUG,
"Using ServerName \"%s\" as computer name.", ServerName);
cupsdSetString(&DNSSDComputerName, ServerName);
}
/*
* Get the local hostname from the dynamic store...
*/
cupsdClearString(&DNSSDHostName);
if ((nameRef = SCDynamicStoreCopyLocalHostName(sc)) != NULL)
{
if (CFStringGetCString(nameRef, nameBuffer, sizeof(nameBuffer),
kCFStringEncodingUTF8))
{
cupsdLogMessage(CUPSD_LOG_DEBUG,
"Dynamic store host name is \"%s\".", nameBuffer);
cupsdSetString(&DNSSDHostName, nameBuffer);
}
CFRelease(nameRef);
}
if (!DNSSDHostName)
{
/*
* Use the ServerName instead...
*/
cupsdLogMessage(CUPSD_LOG_DEBUG,
"Using ServerName \"%s\" as host name.", ServerName);
cupsdSetString(&DNSSDHostName, ServerName);
}
/*
* Get any Back-to-My-Mac domains and add them as aliases...
*/
cupsdFreeAliases(DNSSDAlias);
DNSSDAlias = NULL;
btmm = SCDynamicStoreCopyValue(sc, CFSTR("Setup:/Network/BackToMyMac"));
if (btmm && CFGetTypeID(btmm) == CFDictionaryGetTypeID())
{
cupsdLogMessage(CUPSD_LOG_DEBUG, "%d Back to My Mac aliases to add.",
(int)CFDictionaryGetCount(btmm));
CFDictionaryApplyFunction(btmm, dnssdAddAlias, NULL);
}
else if (btmm)
cupsdLogMessage(CUPSD_LOG_ERROR,
"Bad Back to My Mac data in dynamic store!");
else
cupsdLogMessage(CUPSD_LOG_DEBUG, "No Back to My Mac aliases to add.");
if (btmm)
CFRelease(btmm);
CFRelease(sc);
}
else
# endif /* __APPLE__ */
# ifdef HAVE_AVAHI
if (DNSSDClient)
{
const char *host_name = avahi_client_get_host_name(DNSSDClient);
const char *host_fqdn = avahi_client_get_host_name_fqdn(DNSSDClient);
cupsdSetString(&DNSSDComputerName, host_name ? host_name : ServerName);
if (host_fqdn)
cupsdSetString(&DNSSDHostName, host_fqdn);
else if (strchr(ServerName, '.'))
cupsdSetString(&DNSSDHostName, ServerName);
else
cupsdSetStringf(&DNSSDHostName, "%s.local", ServerName);
}
else
# endif /* HAVE_AVAHI */
{
cupsdSetString(&DNSSDComputerName, ServerName);
if (strchr(ServerName, '.'))
cupsdSetString(&DNSSDHostName, ServerName);
else
cupsdSetStringf(&DNSSDHostName, "%s.local", ServerName);
}
/*
* Then (re)register the web interface if enabled...
*/
if (BrowseWebIF)
{
if (DNSSDComputerName)
snprintf(webif, sizeof(webif), "CUPS @ %s", DNSSDComputerName);
else
strlcpy(webif, "CUPS", sizeof(webif));
dnssdDeregisterInstance(&WebIFSrv, from_callback);
dnssdRegisterInstance(&WebIFSrv, NULL, webif, "_http._tcp", "_printer", DNSSDPort, NULL, 1, from_callback);
}
}
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;
}
int main(int argc, char *argv[]) {
int ret = 1, error;
Config config;
const char *argv0;
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_PUBLISH_SERVICE:
case COMMAND_PUBLISH_ADDRESS:
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), config.no_fail ? AVAHI_CLIENT_NO_FAIL : 0, client_callback, &config, &error))) {
fprintf(stderr, "Failed to create client object: %s\n", avahi_strerror(error));
goto fail;
}
if (avahi_client_get_state(client) != AVAHI_CLIENT_CONNECTING && 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);
}
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);
avahi_free(config.host);
avahi_free(config.name);
avahi_free(config.stype);
avahi_free(config.domain);
avahi_string_list_free(config.subtypes);
avahi_string_list_free(config.txt);
return ret;
}
