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Diffstat (limited to 'data/libresolv/dnsinfo_private.c')
| -rw-r--r-- | data/libresolv/dnsinfo_private.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/data/libresolv/dnsinfo_private.c b/data/libresolv/dnsinfo_private.c new file mode 100644 index 000000000..96663693a --- /dev/null +++ b/data/libresolv/dnsinfo_private.c @@ -0,0 +1,76 @@ +/* + * Copyright (c) 2004, 2005 Apple Computer, Inc. All rights reserved. + * + * @APPLE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this + * file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_LICENSE_HEADER_END@ + */ + +/* + * Modification History + * + * March 9, 2004 Allan Nathanson <ajn@apple.com> + * - initial revision + */ + +#include <stdlib.h> +#include <mach/mach.h> +#include <mach/mach_error.h> +#include <servers/bootstrap.h> + +#include "dnsinfo_private.h" +#include "shared_dns_info_types.h" + + +__private_extern__ +const char * +_dns_configuration_notify_key() +{ + return "com.apple.system.SystemConfiguration.dns_configuration"; +} + + +__private_extern__ +mach_port_t +_dns_configuration_server_port() +{ + mach_port_t server = MACH_PORT_NULL; + char *server_name; + kern_return_t status; + + server_name = getenv("DNS_SERVER"); + if (!server_name) { + server_name = DNS_SERVER; + } + + status = bootstrap_look_up(bootstrap_port, server_name, &server); + switch (status) { + case BOOTSTRAP_SUCCESS : + /* service currently registered, "a good thing" (tm) */ + break; + case BOOTSTRAP_UNKNOWN_SERVICE : + /* service not currently registered, try again later */ + return MACH_PORT_NULL; + default : + mach_error("could not lookup DNS configuration info service:", status); + return MACH_PORT_NULL; + } + + return server; +} + |