2 * Copyright (C) 2004 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 2002 Internet Software Consortium.
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
18 #if defined(LIBC_SCCS) && !defined(lint)
20 "$Id: netscope.c,v 1.5.142.7 2004/03/12 10:31:26 marka Exp $";
21 #endif /* LIBC_SCCS and not lint */
23 #include <isc/string.h>
25 #include <isc/netscope.h>
26 #include <isc/result.h>
29 isc_netscope_pton(int af, char *scopename, void *addr, isc_uint32_t *zoneid) {
31 #ifdef ISC_PLATFORM_HAVEIFNAMETOINDEX
38 /* at this moment, we only support AF_INET6 */
40 return (ISC_R_FAILURE);
42 in6 = (struct in6_addr *)addr;
45 * Basically, "names" are more stable than numeric IDs in terms of
46 * renumbering, and are more preferred. However, since there is no
47 * standard naming convention and APIs to deal with the names. Thus,
48 * we only handle the case of link-local addresses, for which we use
49 * interface names as link names, assuming one to one mapping between
50 * interfaces and links.
52 #ifdef ISC_PLATFORM_HAVEIFNAMETOINDEX
53 if (IN6_IS_ADDR_LINKLOCAL(in6) &&
54 (ifid = if_nametoindex((const char *)scopename)) != 0)
55 zone = (isc_uint32_t)ifid;
58 llz = isc_string_touint64(scopename, &ep, 10);
60 return (ISC_R_FAILURE);
63 zone = (isc_uint32_t)(llz & 0xffffffffUL);
65 return (ISC_R_FAILURE);
66 #ifdef ISC_PLATFORM_HAVEIFNAMETOINDEX
71 return (ISC_R_SUCCESS);