diff options
Diffstat (limited to 'usr.sbin/ypserv/yp_access_inet6.c')
| -rw-r--r-- | usr.sbin/ypserv/yp_access_inet6.c | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/usr.sbin/ypserv/yp_access_inet6.c b/usr.sbin/ypserv/yp_access_inet6.c deleted file mode 100644 index a45de20..0000000 --- a/usr.sbin/ypserv/yp_access_inet6.c +++ /dev/null @@ -1,141 +0,0 @@ -/* - * Copyright (c) 2010-2011 Hiroki Sato. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/socket.h> -#include <sys/types.h> -#include <arpa/inet.h> -#include <netinet/in.h> -#include <stdlib.h> -#include <string.h> - -#include "yp_extern.h" - -int -yp_mask2prefixlen_in6(const struct sockaddr *sap, int *prefixlen) -{ - int x, y = 0; - const u_char *p; - const struct in6_addr *addr; - const struct sockaddr_in6 *sain6p; - - sain6p = (const struct sockaddr_in6 *)sap; - addr = &(sain6p->sin6_addr); - for (x = 0; x < (int)sizeof(addr->s6_addr); x++) - if (addr->s6_addr[x] != 0xff) - break; - if (x < (int)sizeof(addr->s6_addr)) - for (y = 0; y < 8; y++) - if ((addr->s6_addr[x] & (0x80 >> y)) == 0) - break; - if (x < (int)sizeof(addr->s6_addr)) { - if (y != 0 && (addr->s6_addr[x] & (0x00ff >> y)) != 0) - return (-1); - p = (const u_char *)&addr->s6_addr[x + 1]; - for (; p < addr->s6_addr + sizeof(addr->s6_addr); p++) - if (*p != 0) - return (-1); - } - *prefixlen = x * 8 + y; - return (0); -} - -int -yp_prefixlen2mask_in6(struct sockaddr *sap, const int *prefixlen) -{ - int i; - int len; - int bytelen, bitlen; - u_char maskarray[8] = {0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff}; - struct in6_addr *addr; - struct sockaddr_in6 *sain6p; - - len = *prefixlen; - if (0 > len || len > 128) - return (-1); - - sain6p = (struct sockaddr_in6 *)sap; - memset(&sain6p->sin6_addr, 0, sizeof(sain6p->sin6_addr)); - addr = &(sain6p->sin6_addr); - bytelen = len / 8; - bitlen = len % 8; - for (i = 0; i < bytelen; i++) - addr->s6_addr[i] = 0xff; - if (bitlen) - addr->s6_addr[bytelen] = maskarray[bitlen - 1]; - return (0); -} - -struct sockaddr * -yp_mask_in6(const struct sockaddr *addr, const struct sockaddr *mask) -{ - int i; - const u_char *p, *q; - u_char *r; - const struct sockaddr_in6 *in6_addr; - const struct sockaddr_in6 *in6_mask; - struct sockaddr_in6 *in6_res; - - in6_addr = (const struct sockaddr_in6 *)addr; - in6_mask = (const struct sockaddr_in6 *)mask; - - if ((in6_res = malloc(sizeof(*in6_res))) == NULL) - return NULL; - memcpy(in6_res, in6_addr, sizeof(*in6_res)); - p = (const u_char *)&(in6_addr->sin6_addr.s6_addr); - q = (const u_char *)&(in6_mask->sin6_addr.s6_addr); - r = (u_char *)&(in6_res->sin6_addr.s6_addr); - for (i = 0; i < (int)sizeof(in6_addr->sin6_addr.s6_addr); i++) - r[i] = p[i] & q[i]; - - return ((struct sockaddr *)in6_res); -} - -int -yp_compare_subnet_in6(const struct sockaddr *a1, const struct sockaddr *a2) -{ - const struct sockaddr_in6 *in6_a1 = (const struct sockaddr_in6 *)a1; - const struct sockaddr_in6 *in6_a2 = (const struct sockaddr_in6 *)a2; - - if (debug) { - yp_error("yp_subnet_cmp_in6(): a1"); - yp_debug_sa(a1); - yp_error("yp_subnet_cmp_in6(): a2"); - yp_debug_sa(a2); - yp_error("yp_subnet_cmp_in6(): scope: %d - %d", - in6_a1->sin6_scope_id, in6_a2->sin6_scope_id); - } - - if (in6_a1->sin6_scope_id != in6_a2->sin6_scope_id) - return (-1); - - return (memcmp(in6_a1->sin6_addr.s6_addr, - in6_a2->sin6_addr.s6_addr, - sizeof(in6_a1->sin6_addr.s6_addr))); -} |
