#include <sys/cdefs.h>
#ifndef lint
static const char rcsid[] =
"$FreeBSD: src/usr.bin/netstat/ipsec.c,v 1.1.2.3 2001/08/10 09:07:09 ru Exp $";
#endif
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <netinet/in.h>
#ifdef IPSEC
#include <netinet6/ipsec.h>
#include <netkey/keysock.h>
#endif
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "netstat.h"
#if defined(__APPLE__) && !defined(__unused)
#define __unused
#endif
#define LLU "%llu"
#define CAST unsigned long long
#ifdef IPSEC
struct val2str {
int val;
const char *str;
};
static struct val2str ipsec_ahnames[] = {
{ SADB_AALG_NONE, "none", },
{ SADB_AALG_MD5HMAC, "hmac-md5", },
{ SADB_AALG_SHA1HMAC, "hmac-sha1", },
{ SADB_X_AALG_MD5, "md5", },
{ SADB_X_AALG_SHA, "sha", },
{ SADB_X_AALG_NULL, "null", },
#ifdef SADB_X_AALG_SHA2_256
{ SADB_X_AALG_SHA2_256, "hmac-sha2-256", },
#endif
#ifdef SADB_X_AALG_SHA2_384
{ SADB_X_AALG_SHA2_384, "hmac-sha2-384", },
#endif
#ifdef SADB_X_AALG_SHA2_512
{ SADB_X_AALG_SHA2_512, "hmac-sha2-512", },
#endif
{ -1, NULL },
};
static struct val2str ipsec_espnames[] = {
{ SADB_EALG_NONE, "none", },
{ SADB_EALG_DESCBC, "des-cbc", },
{ SADB_EALG_3DESCBC, "3des-cbc", },
{ SADB_EALG_NULL, "null", },
#ifdef SADB_X_EALG_RC5CBC
{ SADB_X_EALG_RC5CBC, "rc5-cbc", },
#endif
{ SADB_X_EALG_CAST128CBC, "cast128-cbc", },
{ SADB_X_EALG_BLOWFISHCBC, "blowfish-cbc", },
#ifdef SADB_X_EALG_RIJNDAELCBC
{ SADB_X_EALG_RIJNDAELCBC, "rijndael-cbc", },
#endif
{ -1, NULL },
};
static struct val2str ipsec_compnames[] = {
{ SADB_X_CALG_NONE, "none", },
{ SADB_X_CALG_OUI, "oui", },
{ SADB_X_CALG_DEFLATE, "deflate", },
{ SADB_X_CALG_LZS, "lzs", },
{ -1, NULL },
};
static const char *pfkey_msgtypenames[] = {
"reserved", "getspi", "update", "add", "delete",
"get", "acquire", "register", "expire", "flush",
"dump", "x_promisc", "x_pchange", "x_spdupdate", "x_spdadd",
"x_spddelete", "x_spdget", "x_spdacquire", "x_spddump", "x_spdflush",
"x_spdsetidx", "x_spdexpire", "x_spddelete2"
};
static struct ipsecstat pipsecstat;
static struct ipsecstat ipsecstat;
static void print_ipsecstats (void);
static const char *pfkey_msgtype_names (int);
static void ipsec_hist (const u_quad_t *, const u_quad_t *, size_t,
const struct val2str *, const char *);
static void
ipsec_hist(const u_quad_t *hist,
const u_quad_t *phist,
size_t histmax,
const struct val2str *name,
const char *title)
{
int first;
size_t proto;
const struct val2str *p;
first = 1;
for (proto = 0; proto < histmax; proto++) {
if ((hist[proto] - phist[proto]) <= 0)
continue;
if (first) {
printf("\t%s histogram:\n", title);
first = 0;
}
for (p = name; p && p->str; p++) {
if (p->val == (int)proto)
break;
}
if (p && p->str) {
printf("\t\t%s: " LLU "\n", p->str,
(CAST)hist[proto] - (CAST)phist[proto]);
} else {
printf("\t\t#%ld: " LLU "\n", (long)proto,
(CAST)hist[proto] - (CAST)phist[proto]);
}
}
}
static void
print_ipsecstats(void)
{
#define IPSECDIFF(f) (ipsecstat.f - pipsecstat.f)
#define p(f, m) if (IPSECDIFF(f) || sflag <= 1) \
printf(m, (CAST)IPSECDIFF(f), plural(IPSECDIFF(f)))
#define hist(f, n, t) \
ipsec_hist(ipsecstat.f, pipsecstat.f, \
sizeof(ipsecstat.f)/sizeof(ipsecstat.f[0]), (n), (t));
p(in_success, "\t" LLU " inbound packet%s processed successfully\n");
p(in_polvio, "\t" LLU " inbound packet%s violated process security "
"policy\n");
p(in_nosa, "\t" LLU " inbound packet%s with no SA available\n");
p(in_inval, "\t" LLU " invalid inbound packet%s\n");
p(in_nomem, "\t" LLU " inbound packet%s failed due to insufficient memory\n");
p(in_badspi, "\t" LLU " inbound packet%s failed getting SPI\n");
p(in_ahreplay, "\t" LLU " inbound packet%s failed on AH replay check\n");
p(in_espreplay, "\t" LLU " inbound packet%s failed on ESP replay check\n");
p(in_ahauthsucc, "\t" LLU " inbound packet%s considered authentic\n");
p(in_ahauthfail, "\t" LLU " inbound packet%s failed on authentication\n");
hist(in_ahhist, ipsec_ahnames, "AH input");
hist(in_esphist, ipsec_espnames, "ESP input");
hist(in_comphist, ipsec_compnames, "IPComp input");
p(out_success, "\t" LLU " outbound packet%s processed successfully\n");
p(out_polvio, "\t" LLU " outbound packet%s violated process security "
"policy\n");
p(out_nosa, "\t" LLU " outbound packet%s with no SA available\n");
p(out_inval, "\t" LLU " invalid outbound packet%s\n");
p(out_nomem, "\t" LLU " outbound packet%s failed due to insufficient memory\n");
p(out_noroute, "\t" LLU " outbound packet%s with no route\n");
hist(out_ahhist, ipsec_ahnames, "AH output");
hist(out_esphist, ipsec_espnames, "ESP output");
hist(out_comphist, ipsec_compnames, "IPComp output");
#undef IPSECDIFF
#undef p
#undef hist
}
void
ipsec_stats(uint32_t off __unused, char *name, int af __unused)
{
size_t len;
len = sizeof(struct ipsecstat);
if (strcmp(name, "ipsec") == 0) {
if (sysctlbyname("net.inet.ipsec.stats", &ipsecstat, &len, 0, 0) == -1)
return;
} else if (strcmp(name, "ipsec6") == 0) {
if (sysctlbyname("net.inet6.ipsec6.stats", &ipsecstat, &len, 0, 0) == -1)
return;
} else
return;
printf ("%s:\n", name);
print_ipsecstats();
if (interval > 0)
bcopy(&ipsecstat, &pipsecstat, len);
}
static const char *
pfkey_msgtype_names(int x)
{
const int max =
sizeof(pfkey_msgtypenames)/sizeof(pfkey_msgtypenames[0]);
static char buf[10];
if (x < max && pfkey_msgtypenames[x])
return pfkey_msgtypenames[x];
snprintf(buf, sizeof(buf), "#%d", x);
return buf;
}
void
pfkey_stats(uint32_t off __unused, char *name, int af __unused)
{
static struct pfkeystat ppfkeystat;
struct pfkeystat pfkeystat;
unsigned first, type;
size_t len;
len = sizeof(struct pfkeystat);
if (sysctlbyname("net.key.pfkeystat", &pfkeystat, &len, 0, 0) == -1)
return;
printf ("%s:\n", name);
#define PFKEYDIFF(f) (pfkeystat.f - ppfkeystat.f)
#define p(f, m) if (PFKEYDIFF(f) || sflag <= 1) \
printf(m, (CAST)PFKEYDIFF(f), plural(PFKEYDIFF(f)))
p(out_total, "\t" LLU " request%s sent to userland\n");
p(out_bytes, "\t" LLU " byte%s sent to userland\n");
for (first = 1, type = 0;
type < sizeof(pfkeystat.out_msgtype)/sizeof(pfkeystat.out_msgtype[0]);
type++) {
if (PFKEYDIFF(out_msgtype[type]) <= 0)
continue;
if (first) {
printf("\thistogram by message type:\n");
first = 0;
}
printf("\t\t%s: " LLU "\n", pfkey_msgtype_names(type),
(CAST)PFKEYDIFF(out_msgtype[type]));
}
p(out_invlen, "\t" LLU " message%s with invalid length field\n");
p(out_invver, "\t" LLU " message%s with invalid version field\n");
p(out_invmsgtype, "\t" LLU " message%s with invalid message type field\n");
p(out_tooshort, "\t" LLU " message%s too short\n");
p(out_nomem, "\t" LLU " message%s with memory allocation failure\n");
p(out_dupext, "\t" LLU " message%s with duplicate extension\n");
p(out_invexttype, "\t" LLU " message%s with invalid extension type\n");
p(out_invsatype, "\t" LLU " message%s with invalid sa type\n");
p(out_invaddr, "\t" LLU " message%s with invalid address extension\n");
p(in_total, "\t" LLU " request%s sent from userland\n");
p(in_bytes, "\t" LLU " byte%s sent from userland\n");
for (first = 1, type = 0;
type < sizeof(pfkeystat.in_msgtype)/sizeof(pfkeystat.in_msgtype[0]);
type++) {
if (PFKEYDIFF(in_msgtype[type]) <= 0)
continue;
if (first) {
printf("\thistogram by message type:\n");
first = 0;
}
printf("\t\t%s: " LLU "\n", pfkey_msgtype_names(type),
(CAST)PFKEYDIFF(in_msgtype[type]));
}
p(in_msgtarget[KEY_SENDUP_ONE],
"\t" LLU " message%s toward single socket\n");
p(in_msgtarget[KEY_SENDUP_ALL],
"\t" LLU " message%s toward all sockets\n");
p(in_msgtarget[KEY_SENDUP_REGISTERED],
"\t" LLU " message%s toward registered sockets\n");
p(in_nomem, "\t" LLU " message%s with memory allocation failure\n");
if (interval > 0)
bcopy(&pfkeystat, &ppfkeystat, len);
#undef PFKEYDIFF
#undef p
}
#endif