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NetBSD/crypto/dist/kame/racoon/kmpstat.c

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/* $KAME: kmpstat.c,v 1.29 2001/08/02 12:16:05 itojun Exp $ */
/*
* 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.
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <netinet/in.h>
#include <net/pfkeyv2.h>
#include <netkey/keydb.h>
#include <netkey/key_var.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#include <netdb.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <err.h>
#include "libpfkey.h"
#include "var.h"
#include "misc.h"
#include "vmbuf.h"
#include "plog.h"
#include "debug.h"
#include "schedule.h"
#include "isakmp_var.h"
#include "isakmp.h"
#include "oakley.h"
#include "handler.h"
#include "pfkey.h"
#include "admin.h"
#include "admin_var.h"
static void usage __P((void));
static void com_init __P((void));
static int com_send __P((vchar_t *));
static vchar_t *com_recv __P((void));
static vchar_t *get_combuf __P((int, char **));
static vchar_t *f_reload __P((int, char **));
static vchar_t *f_getsched __P((int, char **));
static vchar_t *f_getsa __P((int, char **));
static vchar_t *f_flushsa __P((int, char **));
static vchar_t *f_deletesa __P((int, char **));
static vchar_t *f_exchangesa __P((int, char **));
struct cmd_tag {
vchar_t *(*func) __P((int, char **));
int cmd;
char *str;
} cmdtab[] = {
{ f_reload, ADMIN_RELOAD_CONF, "reload-config" },
{ f_reload, ADMIN_RELOAD_CONF, "rc" },
{ f_getsched, ADMIN_SHOW_SCHED, "show-schedule" },
{ f_getsched, ADMIN_SHOW_SCHED, "sc" },
{ f_getsa, ADMIN_SHOW_SA, "show-sa" },
{ f_getsa, ADMIN_SHOW_SA, "ss" },
{ f_flushsa, ADMIN_FLUSH_SA, "flush-sa" },
{ f_flushsa, ADMIN_FLUSH_SA, "fs" },
{ f_deletesa, ADMIN_DELETE_SA, "delete-sa" },
{ f_deletesa, ADMIN_DELETE_SA, "ds" },
{ f_exchangesa, ADMIN_ESTABLISH_SA, "establish-sa" },
{ f_exchangesa, ADMIN_ESTABLISH_SA, "es" },
{ NULL, 0, NULL },
};
static int get_proto __P((char *));
static vchar_t *get_index __P((int, char **));
static int get_family __P((char *));
static vchar_t *get_comindexes __P((int, int, char **));
static int get_comindex __P((char *, char **, char **, char **));
static struct sockaddr *get_sockaddr __P((int, char *, char *));
static int get_ulproto __P((char *));
struct proto_tag {
int proto;
char *str;
} prototab[] = {
{ ADMIN_PROTO_ISAKMP, "isakmp" },
{ ADMIN_PROTO_IPSEC, "ipsec" },
{ ADMIN_PROTO_AH, "ah" },
{ ADMIN_PROTO_ESP, "esp" },
{ ADMIN_PROTO_INTERNAL, "internal" },
{ 0, NULL },
};
struct ulproto_tag {
int ul_proto;
char *str;
} ulprototab[] = {
{ 0, "any" },
{ IPPROTO_ICMP, "icmp" },
{ IPPROTO_TCP, "tcp" },
{ IPPROTO_UDP, "udp" },
{ 0, NULL },
};
int so;
static char _addr1_[NI_MAXHOST], _addr2_[NI_MAXHOST];
char *pname;
int long_format = 0;
u_int32_t loglevel = 4;
void dump_isakmp_sa __P((char *, int));
void dump_internal __P((char *, int));
char *pindex_isakmp __P((isakmp_index *));
void print_schedule __P((caddr_t, int));
char * fixed_addr __P((char *, char *, int));
static void
usage()
{
printf(
"Usage:\n"
" %s reload-config\n"
" %s [-l [-l]] show-sa [protocol]\n"
" %s flush-sa [protocol]\n"
" %s delete-sa <saopts>\n"
" %s establish-sa <saopts>\n"
"\n"
" <protocol>: \"isakmp\", \"esp\" or \"ah\".\n"
" In the case of \"show-sa\" or \"flush-sa\", you can use \"ipsec\".\n"
"\n"
" <saopts>: \"isakmp\" <family> <src> <dst>\n"
" : {\"esp\",\"ah\"} <family> <src/prefixlen/port> <dst/prefixlen/port>\n"
" <ul_proto>\n"
" <family>: \"inet\" or \"inet6\"\n"
" <ul_proto>: \"icmp\", \"tcp\", \"udp\" or \"any\"\n",
pname, pname, pname, pname, pname);
}
int
main(ac, av)
int ac;
char **av;
{
extern char *optarg;
extern int optind;
vchar_t *combuf;
int c;
pname = *av;
while ((c = getopt(ac, av, "ld")) != -1) {
switch(c) {
case 'l':
long_format++;
break;
case 'd':
loglevel++;
break;
default:
usage();
exit(0);
}
}
ac -= optind;
av += optind;
combuf = get_combuf(ac, av);
if (!combuf)
err(1, "kmpstat");
if (loglevel)
hexdump(combuf, ((struct admin_com *)combuf)->ac_len);
com_init();
if (com_send(combuf) < 0)
goto bad;
vfree(combuf);
combuf = com_recv();
if (!combuf)
goto bad;
exit(0);
bad:
exit(1);
}
static void
com_init()
{
struct sockaddr_un name;
memset(&name, 0, sizeof(name));
name.sun_family = AF_UNIX;
snprintf(name.sun_path, sizeof(name.sun_path),
"%s", PORT_ADMIN);
so = socket(AF_UNIX, SOCK_STREAM, 0);
if (so < 0)
err(1, "socket");
if (connect(so, (struct sockaddr *)&name, sizeof(name)) < 0) {
(void)close(so);
err(1, "connect");
}
}
static int
com_send(combuf)
vchar_t *combuf;
{
int len;
if ((len = send(so, combuf->v, combuf->l, 0)) < 0){
perror("send");
(void)close(so);
return -1;
}
return len;
}
static vchar_t *
com_recv()
{
vchar_t *combuf = NULL;
struct admin_com h, *com;
caddr_t buf;
int len;
/* receive by PEEK */
len = recv(so, &h, sizeof(h), MSG_PEEK);
if (len == -1)
goto bad;
/* sanity check */
if (len < sizeof(h))
return NULL;
if (len == 0)
goto bad;
/* error ? */
if (h.ac_errno) {
errno = h.ac_errno;
goto bad;
}
/* allocate buffer */
combuf = vmalloc(h.ac_len);
if (combuf == NULL)
goto bad;
/* read real message */
{
int l = 0;
caddr_t p = combuf->v;
while (l < combuf->l) {
if ((len = recv(so, p, h.ac_len, 0)) < 0) {
perror("recv");
goto bad;
}
l += len;
p += len;
}
}
com = (struct admin_com *)combuf->v;
len = com->ac_len - sizeof(*com);
buf = combuf->v + sizeof(*com);
switch (com->ac_cmd) {
case ADMIN_SHOW_SCHED:
print_schedule(buf, len);
break;
case ADMIN_SHOW_SA:
{
switch (com->ac_proto) {
case ADMIN_PROTO_ISAKMP:
dump_isakmp_sa(buf, len);
break;
case ADMIN_PROTO_IPSEC:
case ADMIN_PROTO_AH:
case ADMIN_PROTO_ESP:
{
struct sadb_msg *msg = (struct sadb_msg *)buf;
switch (msg->sadb_msg_errno) {
case ENOENT:
switch (msg->sadb_msg_type) {
case SADB_DELETE:
case SADB_GET:
printf("No entry.\n");
break;
case SADB_DUMP:
printf("No SAD entries.\n");
break;
}
break;
case 0:
while (1) {
pfkey_sadump(msg);
if (msg->sadb_msg_seq == 0)
break;
msg = (struct sadb_msg *)((caddr_t)msg +
PFKEY_UNUNIT64(msg->sadb_msg_len));
}
break;
default:
printf("%s.\n", strerror(msg->sadb_msg_errno));
}
}
break;
case ADMIN_PROTO_INTERNAL:
dump_internal(buf, len);
break;
default:
printf("Invalid proto [%d]\n", com->ac_proto);
}
}
break;
default:
/* IGNORE */
}
(void)close(so);
return combuf;
bad:
(void)close(so);
return NULL;
}
/* %%% */
/*
* return command buffer.
*/
static vchar_t *
get_combuf(ac, av)
int ac;
char **av;
{
struct cmd_tag *cp;
if (ac == 0) {
usage();
exit(0);
}
/* checking the string of command. */
for (cp = &cmdtab[0]; cp->str; cp++) {
if (strcmp(*av, cp->str) == 0) {
break;
}
}
if (!cp->str) {
printf("Invalid command [%s]\n", *av);
errno = EINVAL;
return NULL;
}
ac--;
av++;
return (cp->func)(ac, av);
}
static vchar_t *
f_reload(ac, av)
int ac;
char **av;
{
vchar_t *buf;
struct admin_com *head;
buf = vmalloc(sizeof(*head));
if (buf == NULL)
errx(1, "not enough core");
head = (struct admin_com *)buf->v;
head->ac_len = buf->l;
head->ac_cmd = ADMIN_RELOAD_CONF;
head->ac_errno = 0;
head->ac_proto = 0;
return buf;
}
static vchar_t *
f_getsched(ac, av)
int ac;
char **av;
{
vchar_t *buf;
struct admin_com *head;
buf = vmalloc(sizeof(*head));
if (buf == NULL)
errx(1, "not enough core");
head = (struct admin_com *)buf->v;
head->ac_len = buf->l;
head->ac_cmd = ADMIN_SHOW_SCHED;
head->ac_errno = 0;
head->ac_proto = 0;
return buf;
}
static vchar_t *
f_getsa(ac, av)
int ac;
char **av;
{
vchar_t *buf;
struct admin_com *head;
int proto;
/* need protocol */
if (ac != 1)
errx(1, "insufficient arguments");
proto = get_proto(*av);
if (proto == -1)
errx(1, "unknown protocol %s", *av);
buf = vmalloc(sizeof(*head));
if (buf == NULL)
errx(1, "not enough core");
head = (struct admin_com *)buf->v;
head->ac_len = buf->l;
head->ac_cmd = ADMIN_SHOW_SA;
head->ac_errno = 0;
head->ac_proto = proto;
return buf;
}
static vchar_t *
f_flushsa(ac, av)
int ac;
char **av;
{
vchar_t *buf;
struct admin_com *head;
int proto;
/* need protocol */
if (ac != 1)
errx(1, "insufficient arguments");
proto = get_proto(*av);
if (proto == -1)
errx(1, "unknown protocol %s", *av);
buf = vmalloc(sizeof(*head));
if (buf == NULL)
errx(1, "not enough core");
head = (struct admin_com *)buf->v;
head->ac_len = buf->l;
head->ac_cmd = ADMIN_FLUSH_SA;
head->ac_errno = 0;
head->ac_proto = proto;
return buf;
}
static vchar_t *
f_deletesa(ac, av)
int ac;
char **av;
{
vchar_t *buf, *index;
struct admin_com *head;
int proto;
/* need protocol */
if (ac < 1)
errx(1, "insufficient arguments");
proto = get_proto(*av);
if (proto == -1)
errx(1, "unknown protocol %s", *av);
/* get index(es) */
av++;
ac--;
switch (proto) {
case ADMIN_PROTO_ISAKMP:
index = get_index(ac, av);
if (index == NULL)
return NULL;
break;
case ADMIN_PROTO_AH:
case ADMIN_PROTO_ESP:
index = get_index(ac, av);
if (index == NULL)
return NULL;
break;
default:
errno = EPROTONOSUPPORT;
return NULL;
}
buf = vmalloc(sizeof(*head) + index->l);
if (buf == NULL)
return NULL;
head = (struct admin_com *)buf->v;
head->ac_len = buf->l + index->l;
head->ac_cmd = ADMIN_DELETE_SA;
head->ac_errno = 0;
head->ac_proto = proto;
return buf;
}
static vchar_t *
f_exchangesa(ac, av)
int ac;
char **av;
{
vchar_t *buf, *index;
struct admin_com *head;
int proto;
/* need protocol */
if (ac < 1)
errx(1, "insufficient arguments");
if ((proto = get_proto(*av)) == -1)
errx(1, "unknown protocol %s", *av);
/* get index(es) */
av++;
ac--;
switch (proto) {
case ADMIN_PROTO_ISAKMP:
index = get_index(ac, av);
if (index == NULL)
return NULL;
break;
case ADMIN_PROTO_AH:
case ADMIN_PROTO_ESP:
index = get_index(ac, av);
if (index == NULL)
return NULL;
break;
default:
errno = EPROTONOSUPPORT;
return NULL;
}
buf = vmalloc(sizeof(*head) + index->l);
if (buf == NULL)
return NULL;
head = (struct admin_com *)buf->v;
head->ac_len = buf->l + index->l;
head->ac_cmd = ADMIN_DELETE_SA;
head->ac_errno = 0;
head->ac_proto = proto;
return buf;
}
static int
get_proto(str)
char *str;
{
struct proto_tag *cp;
if (str == NULL) {
errno = EINVAL;
return -1;
}
/* checking the string of command. */
for (cp = &prototab[0]; cp->str; cp++) {
if (strcmp(str, cp->str) == 0)
return cp->proto;
}
errno = EINVAL;
return -1;
}
static vchar_t *
get_index(ac, av)
int ac;
char **av;
{
int family;
if (ac != 3) {
errno = EINVAL;
return NULL;
}
/* checking the string of family */
family = get_family(*av);
if (family == -1)
return NULL;
av++;
return get_comindexes(family, ac, av);
}
static int
get_family(str)
char *str;
{
if (strcmp("inet", str) == 0)
return AF_INET;
#ifdef INET6
else if (strcmp("inet6", str) == 0)
return AF_INET6;
#endif
errno = EAFNOSUPPORT;
return -1;
}
static vchar_t *
get_comindexes(family, ac, av)
int family;
int ac;
char **av;
{
vchar_t *buf;
struct admin_com_indexes *ci;
char *p_name = NULL, *p_port = NULL;
char *p_prefs = NULL, *p_prefd = NULL;
struct sockaddr *src = NULL, *dst = NULL;
int ulproto;
if (ac != 2) {
errno = EINVAL;
return NULL;
}
if (get_comindex(*av, &p_name, &p_port, &p_prefs) == -1)
goto bad;
src = get_sockaddr(family, p_name, p_port);
if (p_name) {
racoon_free(p_name);
p_name = NULL;
}
if (p_port) {
racoon_free(p_port);
p_port = NULL;
}
if (src == NULL)
goto bad;
av++;
if (get_comindex(*av, &p_name, &p_port, &p_prefd) == -1)
goto bad;
dst = get_sockaddr(family, p_name, p_port);
if (dst == NULL)
goto bad;
buf = vmalloc(sizeof(*ci));
if (buf == NULL)
goto bad;
av++;
ulproto = get_ulproto(*av);
if (ulproto == -1)
goto bad;
ci = (struct admin_com_indexes *)buf;
ci->prefs = (u_int8_t)atoi(p_prefs); /* XXX should be handled error. */
ci->prefd = (u_int8_t)atoi(p_prefd); /* XXX should be handled error. */
ci->ul_proto = ulproto;
memcpy(&ci->src, src, src->sa_len);
memcpy(&ci->dst, dst, dst->sa_len);
if (p_name)
return buf;
bad:
if (p_name)
racoon_free(p_name);
if (p_port)
racoon_free(p_port);
if (p_prefs);
racoon_free(p_prefs);
if (p_prefd);
racoon_free(p_prefd);
return NULL;
}
static int
get_comindex(str, name, port, pref)
char *str, **name, **port, **pref;
{
char *p;
*name = *port = *pref = NULL;
*name = strdup(str);
p = strpbrk(*name, "/[");
if (p != NULL) {
if (*(p + 1) == '\0')
goto bad;
if (*p == '/') {
*p = '\0';
*pref = strdup(p + 1);
p = strchr(*pref, '[');
if (p != NULL) {
if (*(p + 1) == '\0')
goto bad;
*p = '\0';
*port = strdup(p + 1);
p = strchr(*pref, ']');
if (p == NULL)
goto bad;
*p = '\0';
}
} else if (*p == '[') {
*p = '\0';
*port = strdup(p + 1);
p = strchr(*pref, ']');
if (p == NULL)
goto bad;
*p = '\0';
} else {
/* XXX */
}
}
return 0;
bad:
if (*name)
racoon_free(*name);
if (*port)
racoon_free(*port);
if (*pref)
racoon_free(*pref);
*name = *port = *pref = NULL;
return -1;
}
static struct sockaddr *
get_sockaddr(family, name, port)
int family;
char *name, *port;
{
struct addrinfo hint, *ai;
int error;
memset(&hint, 0, sizeof(hint));
hint.ai_family = PF_UNSPEC;
hint.ai_socktype = SOCK_STREAM;
error = getaddrinfo(name, port, &hint, &ai);
if (error != 0) {
printf("%s: %s/%s\n", gai_strerror(error), name, port);
return NULL;
}
return ai->ai_addr;
}
static int
get_ulproto(str)
char *str;
{
struct ulproto_tag *cp;
/* checking the string of upper layer protocol. */
for (cp = &ulprototab[0]; cp->str; cp++) {
if (strcmp(str, cp->str) == 0)
return cp->ul_proto;
}
errno = EINVAL;
return -1;
}
/* %%% */
void
dump_isakmp_sa(buf, len)
char *buf;
int len;
{
struct ph1dump *pd;
struct tm *tm;
char tbuf[56];
caddr_t p = NULL;
/* isakmp status header */
/* short header;
1234567890123456789012 0000000000000000:0000000000000000 000000000000
*/
char *header1 =
"Destination Cookies Created";
/* semi long header;
1234567890123456789012 0000000000000000:0000000000000000 00 X 00 X 0000-00-00 00:00:00 000000
*/
char *header2 =
"Destination Cookies ST S V E Created Phase2";
/* long header;
0000:0000:0000:0000:0000:0000:0000:0000.00000 0000:0000:0000:0000:0000:0000:0000:0000.00000 0000000000000000:0000000000000000 00 X 00 X 0000-00-00 00:00:00 000000
*/
char *header3 =
"Source Destination Cookies ST S V E Created Phase2";
/* phase status header */
/* short format;
side stats source address destination address
xxx xxxxx 1234567890123456789012 1234567890123456789012
*/
static char *estr[] = { "", "B", "M", "U", "A", "I", };
switch (long_format) {
case 0:
printf("%s\n", header1);
break;
case 1:
printf("%s\n", header2);
break;
case 2:
default:
printf("%s\n", header3);
break;
}
if (len % sizeof(*pd))
printf("invalid length %d\n", len);
len /= sizeof(*pd);
pd = (struct ph1dump *)buf;
while (len-- > 0) {
/* source address */
if (long_format >= 2) {
GETNAMEINFO((struct sockaddr *)&pd->local, _addr1_, _addr2_);
switch (long_format) {
case 0:
break;
case 1:
p = fixed_addr(_addr1_, _addr2_, 22);
break;
case 2:
default:
p = fixed_addr(_addr1_, _addr2_, 45);
break;
}
printf("%s ", p);
}
/* destination address */
GETNAMEINFO((struct sockaddr *)&pd->remote, _addr1_, _addr2_);
switch (long_format) {
case 0:
case 1:
p = fixed_addr(_addr1_, _addr2_, 22);
break;
case 2:
default:
p = fixed_addr(_addr1_, _addr2_, 45);
break;
}
printf("%s ", p);
printf("%s ", pindex_isakmp(&pd->index));
/* statuc, side and version */
if (long_format >= 1) {
printf("%2d %c %2x ",
pd->status,
pd->side == INITIATOR ? 'I' : 'R',
pd->version);
if (ARRAYLEN(estr) > pd->etype)
printf("%s ", estr[pd->etype]);
}
/* created date */
if (pd->created) {
tm = localtime(&pd->created);
strftime(tbuf, sizeof(tbuf), "%Y-%m-%d %T", tm);
} else
snprintf(tbuf, sizeof(tbuf), " ");
printf("%s ", tbuf);
/* counter of phase 2 */
if (long_format >= 1)
printf("%6d ", pd->ph2cnt);
printf("\n");
pd++;
}
return;
}
/* %%% */
void
dump_internal(buf, tlen)
char *buf;
int tlen;
{
struct ph2handle *iph2;
struct sockaddr *addr;
/*
short header;
source address destination address
1234567890123456789012 1234567890123456789012
*/
char *short_h1 =
"Source Destination ";
/*
long header;
source address destination address
123456789012345678901234567890123456789012345 123456789012345678901234567890123456789012345
0000:0000:0000:0000:0000:0000:0000:0000.00000 0000:0000:0000:0000:0000:0000:0000:0000.00000 0000:0000:0000:0000:0000:0000:0000:0000.00000
*/
char *long_h1 =
"Source Destination ";
printf("%s\n", long_format ? long_h1 : short_h1);
while (tlen > 0) {
iph2 = (struct ph2handle *)buf;
addr = (struct sockaddr *)(++iph2);
GETNAMEINFO(addr, _addr1_, _addr2_);
printf("%s ", long_format ?
fixed_addr(_addr1_, _addr2_, 45)
: fixed_addr(_addr1_, _addr2_, 22));
addr++;
tlen -= addr->sa_len;
GETNAMEINFO(addr, _addr1_, _addr2_);
printf("%s ", long_format ?
fixed_addr(_addr1_, _addr2_, 45)
: fixed_addr(_addr1_, _addr2_, 22));
addr++;
tlen -= addr->sa_len;
printf("\n");
}
return;
}
/* %%% */
char *
pindex_isakmp(index)
isakmp_index *index;
{
static char buf[64];
u_char *p;
int i, j;
memset(buf, 0, sizeof(buf));
/* copy index */
p = (u_char *)index;
for (j = 0, i = 0; i < sizeof(isakmp_index); i++) {
snprintf((char *)&buf[j], sizeof(buf) - j, "%02x", p[i]);
j += 2;
switch (i) {
case 7:
#if 0
case 15:
#endif
buf[j++] = ':';
}
}
return buf;
}
/* print schedule */
char *str_sched_stat[] = {
"off",
"on",
"dead",
};
char *str_sched_id[] = {
"PH1resend",
"PH1lifetime",
"PH2resend",
"PSTacquire",
"PSTlifetime",
};
void
print_schedule(buf, len)
caddr_t buf;
int len;
{
struct scheddump *sc = (struct scheddump *)buf;
struct tm *tm;
char tbuf[56];
if (len % sizeof(*sc))
printf("invalid length %d\n", len);
len /= sizeof(*sc);
/* 00000000 00000000 00000000 xxx........*/
printf("index tick xtime created\n");
while (len-- > 0) {
tm = localtime(&sc->created);
strftime(tbuf, sizeof(tbuf), "%Y-%m-%d %T", tm);
printf("%-8ld %-8ld %-8ld %s\n",
sc->id,
(long)sc->tick,
(long)sc->xtime,
tbuf);
sc++;
}
return;
}
char *
fixed_addr(addr, port, len)
char *addr, *port;
int len;
{
static char _addr_buf_[BUFSIZ];
char *p;
int plen, i;
/* initialize */
memset(_addr_buf_, ' ', sizeof(_addr_buf_));
plen = strlen(port);
if (len < plen + 1)
return NULL;
p = _addr_buf_;
for (i = 0; i < len - plen - 1 && addr[i] != '\0'; /*noting*/)
*p++ = addr[i++];
*p++ = '.';
for (i = 0; i < plen && port[i] != '\0'; /*noting*/)
*p++ = port[i++];
_addr_buf_[len] = '\0';
return _addr_buf_;
}
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