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-rw-r--r--usr.sbin/prefix/prefix.c590
1 files changed, 0 insertions, 590 deletions
diff --git a/usr.sbin/prefix/prefix.c b/usr.sbin/prefix/prefix.c
deleted file mode 100644
index 84fbf26..0000000
--- a/usr.sbin/prefix/prefix.c
+++ /dev/null
@@ -1,590 +0,0 @@
-/*
- * Copyright (C) 1995, 1996, 1997, and 1998 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.
- *
- * $FreeBSD$
- */
-
-#include <sys/param.h>
-#include <sys/ioctl.h>
-#include <sys/socket.h>
-#include <sys/sysctl.h>
-#include <sys/time.h>
-
-#include <net/if.h>
-#if defined(__FreeBSD__) && __FreeBSD__ >= 3
-#include <net/if_var.h>
-#endif /* __FreeBSD__ >= 3 */
-#include <net/if_dl.h>
-#include <net/if_types.h>
-#include <net/route.h>
-
-#include <netinet/in.h>
-#include <netinet/in_var.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-
-#include <ctype.h>
-#include <err.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#define DEF_ADVVALIDLIFETIME 2592000
-#define DEF_ADVPREFERREDLIFETIME 604800
-struct in6_prefixreq prereq = {{NULL}, /* interface name */
- PR_ORIG_STATIC,
- 64, /* default plen */
- 2592000, /* vltime=30days */
- 604800, /* pltime=7days */
- /* ra onlink=1 autonomous=1 */
- {{1,1,0}},
- {NULL}}; /* prefix */
-struct in6_rrenumreq rrreq = {{NULL}, /* interface name */
- PR_ORIG_STATIC, /* default origin */
- 64, /* default match len */
- 0, /* default min match len */
- 128, /* default max match len */
- 0, /* default uselen */
- 0, /* default keeplen */
- {1,1,0}, /* default raflag mask */
- 2592000, /* vltime=30days */
- 604800, /* pltime=7days */
- /* ra onlink=1 autonomous=1 */
- {{1,1,0}},
- {NULL}, /* match prefix */
- {NULL} /* use prefix */
- };
-
-#define C(x) ((caddr_t) &x)
-
-struct prefix_cmds {
- const char *errmsg;
- int cmd;
- caddr_t req;
-} prcmds[] = {
- {"SIOCSIFPREFIX_IN6 failed", SIOCSIFPREFIX_IN6, C(prereq)},
- {"SIOCDIFPREFIX_IN6 failed", SIOCDIFPREFIX_IN6, C(prereq)},
- {"SIOCAIFPREFIX_IN6 failed", SIOCAIFPREFIX_IN6, C(rrreq)},
- {"SIOCCIFPREFIX_IN6 failed", SIOCCIFPREFIX_IN6, C(rrreq)},
- {"SIOCSGIFPREFIX_IN6 failed", SIOCSGIFPREFIX_IN6, C(rrreq)}
-};
-
-#define PREF_CMD_SET 0
-#define PREF_CMD_DELETE 1
-#define PREF_CMD_ADD 2
-#define PREF_CMD_CHANGE 3
-#define PREF_CMD_SETGLOBAL 4
-#define PREF_CMD_MAX 5
-
-u_int prcmd = PREF_CMD_SET; /* default command */
-
-char name[32];
-int flags;
-
-int newprefix_setdel, newprefix_match, newprefix_use, newprefix_uselen,
- newprefix_keeplen;
-
-void Perror __P((const char *cmd));
-int prefix __P((int argc, char *const *argv));
-void usage __P((void));
-void setlifetime __P((const char *atime, u_int32_t *btime));
-int all, explicit_prefix = 0;
-
-typedef void c_func __P((const char *cmd, int arg));
-c_func set_vltime, set_pltime, set_raf_onlink,
- set_raf_auto, set_rrf_decrvalid, set_rrf_decrprefd,
- get_setdelprefix, get_matchprefix, get_useprefix, set_matchlen,
- set_match_minlen, set_match_maxlen,
- set_use_uselen, set_use_keeplen, set_prefix_cmd;
-
-void getprefixlen __P((const char *, int));
-void getprefix __P((const char *, int));
-
-#define NEXTARG 0xffffff
-
-const
-struct cmd {
- const char *c_name;
- int c_parameter; /* NEXTARG means next argv */
- void (*c_func) __P((const char *, int));
-} cmds[] = {
- { "set", PREF_CMD_SET, set_prefix_cmd },
- { "delete", PREF_CMD_DELETE, set_prefix_cmd },
- { "prefixlen", NEXTARG, getprefixlen },
- { "add", PREF_CMD_ADD, set_prefix_cmd },
- { "change", PREF_CMD_CHANGE, set_prefix_cmd },
- { "setglobal", PREF_CMD_SETGLOBAL, set_prefix_cmd },
- { "matchpr", NEXTARG, get_matchprefix },
- { "usepr", NEXTARG, get_useprefix },
- { "mp_len", NEXTARG, set_matchlen },
- { "mp_minlen", NEXTARG, set_match_minlen },
- { "mp_maxlen", NEXTARG, set_match_maxlen },
- { "up_uselen", NEXTARG, set_use_uselen },
- { "up_keeplen", NEXTARG, set_use_keeplen },
- { "vltime", NEXTARG, set_vltime },
- { "pltime", NEXTARG, set_pltime },
- { "raf_onlink", 1, set_raf_onlink },
- { "-raf_onlink", 0, set_raf_onlink },
- { "raf_auto", 1, set_raf_auto },
- { "-raf_auto", 0, set_raf_auto },
- { "rrf_decrvalid", 1, set_rrf_decrvalid },
- { "-rrf_decrvalid", 0, set_rrf_decrvalid },
- { "rrf_decrprefd", 1, set_rrf_decrprefd },
- { "-rrf_decrprefd", 0, set_rrf_decrprefd },
- { 0, 0, get_setdelprefix },
- { 0, 0, 0 },
-};
-
-
-void
-usage()
-{
- fprintf(stderr, "%s",
- "usage: prefix interface prefix_value [parameters] [set|delete]\n"
- " prefix interface\n"
- " matchpr matchpr_value mp_len mp_len_value\n"
- " usepr usepr_value up_uselen up_uselen_value\n"
- " [parameters] [add|change|setglobal]\n"
- " prefix -a [-d] [-u]\n"
- " matchpr matchpr_value mp_len mp_len_value\n"
- " usepr usepr_value up_uselen up_uselen_value\n"
- " [parameters] [add|change|setglobal]\n");
- exit(1);
-}
-
-int
-main(argc, argv)
- int argc;
- char *const *argv;
-{
- int c;
- int downonly, uponly;
- int foundit = 0;
- int addrcount;
- struct if_msghdr *ifm, *nextifm;
- struct ifa_msghdr *ifam;
- struct sockaddr_dl *sdl;
- char *buf, *lim, *next;
-
-
- size_t needed;
- int mib[6];
-
- /* Parse leading line options */
- all = downonly = uponly = 0;
- while ((c = getopt(argc, argv, "adu")) != -1) {
- switch (c) {
- case 'a': /* scan all interfaces */
- all++;
- break;
- case 'd': /* restrict scan to "down" interfaces */
- downonly++;
- break;
- case 'u': /* restrict scan to "up" interfaces */
- uponly++;
- break;
- default:
- usage();
- break;
- }
- }
- argc -= optind;
- argv += optind;
-
- /* nonsense.. */
- if (uponly && downonly)
- usage();
-
- if (!all) {
- /* not listing, need an argument */
- if (argc < 1)
- usage();
-
- strncpy(name, *argv, sizeof(name));
- argc--, argv++;
- }
-
- mib[0] = CTL_NET;
- mib[1] = PF_ROUTE;
- mib[2] = 0;
- mib[3] = AF_INET6; /* address family */
- mib[4] = NET_RT_IFLIST;
- mib[5] = 0;
-
- if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0)
- errx(1, "iflist-sysctl-estimate");
- if ((buf = malloc(needed)) == NULL)
- errx(1, "malloc");
- if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0)
- errx(1, "actual retrieval of interface table");
- lim = buf + needed;
-
- next = buf;
- while (next < lim) {
-
- ifm = (struct if_msghdr *)next;
-
- if (ifm->ifm_type == RTM_IFINFO) {
- sdl = (struct sockaddr_dl *)(ifm + 1);
- flags = ifm->ifm_flags;
- } else {
- fprintf(stderr, "out of sync parsing NET_RT_IFLIST\n");
- fprintf(stderr, "expected %d, got %d\n", RTM_IFINFO,
- ifm->ifm_type);
- fprintf(stderr, "msglen = %d\n", ifm->ifm_msglen);
- fprintf(stderr, "buf:%p, next:%p, lim:%p\n", buf, next,
- lim);
- exit (1);
- }
-
- next += ifm->ifm_msglen;
- ifam = NULL;
- addrcount = 0;
- while (next < lim) {
-
- nextifm = (struct if_msghdr *)next;
-
- if (nextifm->ifm_type != RTM_NEWADDR)
- break;
-
- if (ifam == NULL)
- ifam = (struct ifa_msghdr *)nextifm;
-
- addrcount++;
- next += nextifm->ifm_msglen;
- }
-
- if (all) {
- if (uponly)
- if ((flags & IFF_UP) == 0)
- continue; /* not up */
- if (downonly)
- if (flags & IFF_UP)
- continue; /* not down */
- strncpy(name, sdl->sdl_data, sdl->sdl_nlen);
- name[sdl->sdl_nlen] = '\0';
- } else {
- if (strlen(name) != sdl->sdl_nlen)
- continue; /* not same len */
- if (strncmp(name, sdl->sdl_data, sdl->sdl_nlen) != 0)
- continue; /* not same name */
- }
-
- if (argc > 0)
- prefix(argc, argv);
-#if 0
- else {
- /* TODO: print prefix status by sysctl */
- }
-#endif
-
- if (all == 0) {
- foundit++; /* flag it as 'done' */
- break;
- }
- }
- free(buf);
-
- if (all == 0 && foundit == 0)
- errx(1, "interface %s does not exist", name);
-
-
- exit (0);
-}
-
-
-int
-prefix(int argc, char *const *argv)
-{
- int s;
-
- if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
- err(1, "socket");
-
- while (argc > 0) {
- register const struct cmd *p;
-
- for (p = cmds; p->c_name; p++)
- if (strcmp(*argv, p->c_name) == 0)
- break;
- if (p->c_func) {
- if (p->c_parameter == NEXTARG) {
- if (argv[1] == NULL)
- errx(1, "'%s' requires argument",
- p->c_name);
- (*p->c_func)(argv[1], 0);
- argc--, argv++;
- } else
- (*p->c_func)(*argv, p->c_parameter);
- }
- argc--, argv++;
- }
- if (prcmd > PREF_CMD_MAX) {
- Perror("ioctl: unknown prefix cmd");
- goto end;
- }
- if (prcmd == PREF_CMD_SET || prcmd == PREF_CMD_DELETE) {
- if (!newprefix_setdel)
- usage();
- } else { /* ADD|CHANGE|SETGLOBAL */
- if (!newprefix_match)
- usage();
- }
- if (!newprefix_use)
- rrreq.irr_u_uselen = 0; /* make clear that no use_prefix */
- else if (newprefix_keeplen == NULL && rrreq.irr_u_uselen < 64)
- /* init keeplen to make uselen + keeplen equal 64 */
- rrreq.irr_u_keeplen = 64 - rrreq.irr_u_uselen;
- if (explicit_prefix == 0) {
- /* Aggregatable address architecture defines all prefixes
- are 64. So, it is convenient to set prefixlen to 64 if
- it is not specified. */
- getprefixlen("64", 0);
- }
- strncpy(prcmds[prcmd].req, name, IFNAMSIZ);
- if (ioctl(s, prcmds[prcmd].cmd, prcmds[prcmd].req) < 0) {
- if (all && errno == EADDRNOTAVAIL)
- goto end;
- Perror(prcmds[prcmd].errmsg);
- }
- end:
- close(s);
- return(0);
-}
-#define PREFIX 0
-#define MPREFIX 1
-#define UPREFIX 2
-
-void
-Perror(cmd)
- const char *cmd;
-{
- switch (errno) {
-
- case ENXIO:
- errx(1, "%s: no such interface", cmd);
- break;
-
- case EPERM:
- errx(1, "%s: permission denied", cmd);
- break;
-
- default:
- err(1, "%s", cmd);
- }
-}
-
-#define SIN6(x) ((struct sockaddr_in6 *) &(x))
-struct sockaddr_in6 *sin6tab[] = {
-SIN6(prereq.ipr_prefix), SIN6(rrreq.irr_matchprefix),
-SIN6(rrreq.irr_useprefix)};
-
-void
-getprefixlen(const char *plen, int unused)
-{
- int len = atoi(plen);
-
- if ((len < 0) || (len > 128))
- errx(1, "%s: bad value", plen);
-
- /* set plen for prereq */
- prereq.ipr_plen = len;
- explicit_prefix = 1;
-}
-
-void
-getprefix(const char *prefix, int which)
-{
- register struct sockaddr_in6 *sin = sin6tab[which];
-
- /*
- * Delay the ioctl to set the interface prefix until flags are all set.
- * The prefix interpretation may depend on the flags,
- * and the flags may change when the prefix is set.
- */
-
- sin->sin6_len = sizeof(*sin);
- sin->sin6_family = AF_INET6;
-
- if (inet_pton(AF_INET6, prefix, &sin->sin6_addr) != 1)
- errx(1, "%s: bad value", prefix);
-}
-
-void
-get_setdelprefix(const char *prefix, int unused)
-{
- newprefix_setdel++;
- getprefix(prefix, PREFIX);
-}
-
-void
-get_matchprefix(const char *prefix, int unused)
-{
- newprefix_match++;
- prcmd = (prcmd == PREF_CMD_SET) ? PREF_CMD_ADD : prcmd;
- getprefix(prefix, MPREFIX);
-}
-
-void
-get_useprefix(const char *prefix, int unused)
-{
- newprefix_use++;
- if (newprefix_uselen == 0)
- rrreq.irr_u_uselen = 64;
- getprefix(prefix, UPREFIX);
-}
-
-static int
-get_plen(const char *plen)
-{
- int len;
-
- len = atoi(plen);
- if ((len < 0) || (len > 128))
- errx(1, "%s: bad value", plen);
- return len;
-}
-
-void
-set_matchlen(const char *plen, int unused)
-{
- rrreq.irr_m_len = get_plen(plen);
-}
-
-void
-set_match_minlen(const char *plen, int unused)
-{
- rrreq.irr_m_minlen = get_plen(plen);
-}
-
-void
-set_match_maxlen(const char *plen, int unused)
-{
- rrreq.irr_m_maxlen = get_plen(plen);
-}
-
-void
-set_use_uselen(const char *plen, int unused)
-{
- newprefix_uselen++;
- rrreq.irr_u_uselen = get_plen(plen);
-}
-
-void
-set_use_keeplen(const char *plen, int unused)
-{
- newprefix_keeplen++;
- rrreq.irr_u_keeplen = get_plen(plen);
-}
-
-void
-set_vltime(const char *ltime, int unused)
-{
- setlifetime(ltime, &prereq.ipr_vltime);
- rrreq.irr_vltime = prereq.ipr_vltime;
-}
-
-void
-set_pltime(const char *ltime, int unused)
-{
- setlifetime(ltime, &prereq.ipr_pltime);
- rrreq.irr_pltime = prereq.ipr_pltime;
-}
-
-void
-set_raf_onlink(const char *unused, int value)
-{
- /* raflagmask is only meaningful when newprefix_rrenum */
- rrreq.irr_raflagmask.onlink = 1;
- prereq.ipr_flags.prf_ra.onlink =
- rrreq.irr_flags.prf_ra.onlink = value ? 1 : 0;
-}
-
-void
-set_raf_auto(const char *unused, int value)
-{
- /* only meaningful when newprefix_rrenum */
- rrreq.irr_raflagmask.autonomous = 1;
- prereq.ipr_flags.prf_ra.autonomous =
- rrreq.irr_flags.prf_ra.autonomous = value ? 1 : 0;
-}
-
-void
-set_rrf_decrvalid(const char *unused, int value)
-{
- prereq.ipr_flags.prf_rr.decrvalid =
- rrreq.irr_flags.prf_rr.decrvalid = value ? 1 : 0;
-}
-
-void
-set_rrf_decrprefd(const char *unused, int value)
-{
- prereq.ipr_flags.prf_rr.decrprefd =
- rrreq.irr_flags.prf_rr.decrprefd = value ? 1 : 0;
-}
-
-void
-set_prefix_cmd(const char *unused, int cmd)
-{
- prcmd = cmd;
-}
-
-void
-setlifetime(const char *atime, u_int32_t *btime)
-{
- int days = 0, hours = 0, minutes = 0, seconds = 0;
- u_int32_t ttime;
- char *check;
-
- if (strcmp(atime, "infinity") == 0) {
- *btime = 0xffffffff;
- return;
- }
- ttime = strtoul(atime, &check ,10) & 0xffffffff;
- if (*check == '\0') {
- *btime = ttime;
- return;
- }
- if (sscanf(atime, "d%2dh%2dm%2ds%2d", &days, &hours, &minutes,
- &seconds) < 0) {
- Perror("wrong time format: valid is d00h00m00s00, \n"
- "where 00 can be any octal number, \n"
- "\'d\' is for days, \'h\' is for hours, \n"
- "\'m\' is for minutes, and \'s\' is for seconds \n");
- return;
- }
- *btime = 0;
- *btime += seconds;
- *btime += minutes * 60;
- *btime += hours * 3600;
- *btime += days * 86400;
- return;
-}
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