1 files changed, 0 insertions, 349 deletions
diff --git a/usr.sbin/faithd/prefix.c b/usr.sbin/faithd/prefix.c
deleted file mode 100644
index 6a3f66b..0000000
--- a/usr.sbin/faithd/prefix.c
+++ /dev/null
@@ -1,349 +0,0 @@
-/*	$KAME: prefix.c,v 1.13 2003/09/02 22:50:17 itojun Exp $	*/
-/*	$FreeBSD$	*/
-
-/*
- * Copyright (C) 2000 WIDE Project.
- * 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.
- * 3. Neither the name of the project nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 THE PROJECT 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/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <stdio.h>
-#include <netdb.h>
-#include <string.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include <limits.h>
-
-#ifndef offsetof
-#define	offsetof(type, member)	((size_t)(u_long)(&((type *)0)->member))
-#endif
-
-#include "faithd.h"
-#include "prefix.h"
-
-static int prefix_set(const char *, struct prefix *, int);
-static struct config *config_load1(const char *);
-#if 0
-static void config_show1(const struct config *);
-static void config_show(void);
-#endif
-
-struct config *config_list = NULL;
-const int niflags = NI_NUMERICHOST;
-
-static int
-prefix_set(const char *s, struct prefix *prefix, int slash)
-{
-	char *p = NULL, *q, *r;
-	struct addrinfo hints, *res = NULL;
-	int max;
-	char *a;
-
-	p = strdup(s);
-	if (!p)
-		goto fail;
-	q = strchr(p, '/');
-	if (q) {
-		if (!slash)
-			goto fail;
-		*q++ = '\0';
-	}
-
-	memset(&hints, 0, sizeof(hints));
-	hints.ai_family = PF_UNSPEC;
-	hints.ai_socktype = SOCK_DGRAM;	/*dummy*/
-	hints.ai_flags = AI_NUMERICHOST;
-	if (getaddrinfo(p, "0", &hints, &res))
-		goto fail;
-	if (res->ai_next || res->ai_addrlen > sizeof(prefix->a))
-		goto fail;
-	memcpy(&prefix->a, res->ai_addr, res->ai_addrlen);
-
-	switch (prefix->a.ss_family) {
-	case AF_INET:
-		max = 32;
-		a = (char *)&((struct sockaddr_in *)&prefix->a)->sin_addr;
-		break;
-	case AF_INET6:
-		max = 128;
-		a = (char *)&((struct sockaddr_in6 *)&prefix->a)->sin6_addr;
-		break;
-	default:
-		a = NULL;
-		max = -1;
-		break;
-	}
-
-	if (q) {
-		r = NULL;
-		prefix->l = (int)strtoul(q, &r, 10);
-		if (!*q || *r)
-			goto fail;
-		if (prefix->l < 0 || prefix->l > max)
-			goto fail;
-	} else
-		prefix->l = max;
-
-	if (p)
-		free(p);
-	if (res)
-		freeaddrinfo(res);
-	return 0;
-
-fail:
-	if (p)
-		free(p);
-	if (res)
-		freeaddrinfo(res);
-	return -1;
-}
-
-const char *
-prefix_string(const struct prefix *prefix)
-{
-	static char buf[NI_MAXHOST + 20];
-	char hbuf[NI_MAXHOST];
-
-	if (getnameinfo((const struct sockaddr *)&prefix->a, prefix->a.ss_len,
-	    hbuf, sizeof(hbuf), NULL, 0, niflags))
-		return NULL;
-	snprintf(buf, sizeof(buf), "%s/%d", hbuf, prefix->l);
-	return buf;
-}
-
-int
-prefix_match(const struct prefix *prefix, const struct sockaddr *sa)
-{
-	struct sockaddr_storage a, b;
-	char *pa, *pb;
-	int off, l;
-
-	if (prefix->a.ss_family != sa->sa_family ||
-	    prefix->a.ss_len != sa->sa_len)
-		return 0;
-
-	if (prefix->a.ss_len > sizeof(a) || sa->sa_len > sizeof(b))
-		return 0;
-
-	switch (prefix->a.ss_family) {
-	case AF_INET:
-		off = offsetof(struct sockaddr_in, sin_addr);
-		break;
-	case AF_INET6:
-		off = offsetof(struct sockaddr_in6, sin6_addr);
-		break;
-	default:
-		if (memcmp(&prefix->a, sa, prefix->a.ss_len) != 0)
-			return 0;
-		else
-			return 1;
-	}
-
-	memcpy(&a, &prefix->a, prefix->a.ss_len);
-	memcpy(&b, sa, sa->sa_len);
-	l = prefix->l / 8 + (prefix->l % 8 ? 1 : 0);
-
-	/* overrun check */
-	if (off + l > a.ss_len)
-		return 0;
-
-	pa = ((char *)&a) + off;
-	pb = ((char *)&b) + off;
-	if (prefix->l % 8) {
-		pa[prefix->l / 8] &= 0xff00 >> (prefix->l % 8);
-		pb[prefix->l / 8] &= 0xff00 >> (prefix->l % 8);
-	}
-	if (memcmp(pa, pb, l) != 0)
-		return 0;
-	else
-		return 1;
-}
-
-/*
- * prefix/prefixlen permit/deny prefix/prefixlen [srcaddr]
- * 3ffe::/16 permit 10.0.0.0/8 10.1.1.1
- */
-static struct config *
-config_load1(const char *line)
-{
-	struct config *conf;
-	char buf[BUFSIZ];
-	char *p;
-	char *token[4];
-	int i;
-
-	if (strlen(line) + 1 > sizeof(buf))
-		return NULL;
-	strlcpy(buf, line, sizeof(buf));
-
-	p = strchr(buf, '\n');
-	if (!p)
-		return NULL;
-	*p = '\0';
-	p = strchr(buf, '#');
-	if (p)
-		*p = '\0';
-	if (strlen(buf) == 0)
-		return NULL;
-
-	p = buf;
-	memset(token, 0, sizeof(token));
-	for (i = 0; i < sizeof(token) / sizeof(token[0]); i++) {
-		token[i] = strtok(p, "\t ");
-		p = NULL;
-		if (token[i] == NULL)
-			break;
-	}
-	/* extra tokens? */
-	if (strtok(p, "\t ") != NULL)
-		return NULL;
-	/* insufficient tokens */
-	switch (i) {
-	case 3:
-	case 4:
-		break;
-	default:
-		return NULL;
-	}
-
-	conf = (struct config *)malloc(sizeof(*conf));
-	if (conf == NULL)
-		return NULL;
-	memset(conf, 0, sizeof(*conf));
-
-	if (strcasecmp(token[1], "permit") == 0)
-		conf->permit = 1;
-	else if (strcasecmp(token[1], "deny") == 0)
-		conf->permit = 0;
-	else {
-		/* invalid keyword is considered as "deny" */
-		conf->permit = 0;
-	}
-
-	if (prefix_set(token[0], &conf->match, 1) < 0)
-		goto fail;
-	if (prefix_set(token[2], &conf->dest, 1) < 0)
-		goto fail;
-	if (token[3]) {
-		if (prefix_set(token[3], &conf->src, 0) < 0)
-			goto fail;
-	}
-
-	return conf;
-
-fail:
-	free(conf);
-	return NULL;
-}
-
-int
-config_load(const char *configfile)
-{
-	FILE *fp;
-	char buf[BUFSIZ];
-	struct config *conf, *p;
-	struct config sentinel;
-
-	config_list = NULL;
-
-	if (!configfile)
-		configfile = _PATH_PREFIX_CONF;
-	fp = fopen(configfile, "r");
-	if (fp == NULL)
-		return -1;
-
-	p = &sentinel;
-	sentinel.next = NULL;
-	while (fgets(buf, sizeof(buf), fp) != NULL) {
-		conf = config_load1(buf);
-		if (conf) {
-			p->next = conf;
-			p = p->next;
-		}
-	}
-	config_list = sentinel.next;
-
-	fclose(fp);
-	return 0;
-}
-
-#if 0
-static void
-config_show1(const struct config *conf)
-{
-	const char *p;
-
-	p = prefix_string(&conf->match);
-	printf("%s", p ? p : "?");
-
-	if (conf->permit)
-		printf(" permit");
-	else
-		printf(" deny");
-
-	p = prefix_string(&conf->dest);
-	printf(" %s", p ? p : "?");
-
-	printf("\n");
-}
-
-static void
-config_show()
-{
-	struct config *conf;
-
-	for (conf = config_list; conf; conf = conf->next)
-		config_show1(conf);
-}
-#endif
-
-const struct config *
-config_match(struct sockaddr *sa1, struct sockaddr *sa2)
-{
-	static struct config conf;
-	const struct config *p;
-
-	if (sa1->sa_len > sizeof(conf.match.a) ||
-	    sa2->sa_len > sizeof(conf.dest.a))
-		return NULL;
-
-	memset(&conf, 0, sizeof(conf));
-	if (!config_list) {
-		conf.permit = 1;
-		memcpy(&conf.match.a, sa1, sa1->sa_len);
-		memcpy(&conf.dest.a, sa2, sa2->sa_len);
-		return &conf;
-	}
-
-	for (p = config_list; p; p = p->next)
-		if (prefix_match(&p->match, sa1) && prefix_match(&p->dest, sa2))
-			return p;
-
-	return NULL;
-}