blob: 5c318017d0e115eeb377cb7fbdc00e729776035e [file] [log] [blame]
/* $USAGI: $ */
/*
* Copyright (C)2004 USAGI/WIDE Project
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* based on ip.c, iproute.c
*/
/*
* Authors:
* Masahide NAKAMURA @USAGI
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <time.h>
#include <netdb.h>
#include <net/if.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/xfrm.h>
#include "utils.h"
#include "xfrm.h"
struct xfrm_filter filter;
static void usage(void) __attribute__((noreturn));
static void usage(void)
{
fprintf(stderr,
"Usage: ip xfrm XFRM_OBJECT { COMMAND | help }\n"
"where XFRM_OBJECT := { state | policy }\n");
exit(-1);
}
/* This is based on utils.c(inet_addr_match) */
int xfrm_addr_match(xfrm_address_t *x1, xfrm_address_t *x2, int bits)
{
__u32 *a1 = (__u32 *)x1;
__u32 *a2 = (__u32 *)x2;
int words = bits >> 0x05;
bits &= 0x1f;
if (words)
if (memcmp(a1, a2, words << 2))
return -1;
if (bits) {
__u32 w1, w2;
__u32 mask;
w1 = a1[words];
w2 = a2[words];
mask = htonl((0xffffffff) << (0x20 - bits));
if ((w1 ^ w2) & mask)
return 1;
}
return 0;
}
struct typeent {
const char *t_name;
int t_type;
};
static const struct typeent xfrmproto_types[]= {
{ "esp", IPPROTO_ESP }, { "ah", IPPROTO_AH }, { "comp", IPPROTO_COMP },
{ NULL, -1 }
};
int xfrm_xfrmproto_getbyname(char *name)
{
int i;
for (i = 0; ; i++) {
const struct typeent *t = &xfrmproto_types[i];
if (!t->t_name || t->t_type == -1)
break;
if (strcmp(t->t_name, name) == 0)
return t->t_type;
}
return -1;
}
const char *strxf_xfrmproto(__u8 proto)
{
int i;
for (i = 0; ; i++) {
const struct typeent *t = &xfrmproto_types[i];
if (!t->t_name || t->t_type == -1)
break;
if (t->t_type == proto)
return t->t_name;
}
return NULL;
}
static const struct typeent algo_types[]= {
{ "enc", XFRMA_ALG_CRYPT }, { "auth", XFRMA_ALG_AUTH },
{ "comp", XFRMA_ALG_COMP }, { NULL, -1 }
};
int xfrm_algotype_getbyname(char *name)
{
int i;
for (i = 0; ; i++) {
const struct typeent *t = &algo_types[i];
if (!t->t_name || t->t_type == -1)
break;
if (strcmp(t->t_name, name) == 0)
return t->t_type;
}
return -1;
}
const char *strxf_algotype(int type)
{
int i;
for (i = 0; ; i++) {
const struct typeent *t = &algo_types[i];
if (!t->t_name || t->t_type == -1)
break;
if (t->t_type == type)
return t->t_name;
}
return NULL;
}
const char *strxf_mask8(__u8 mask)
{
static char str[16];
const int sn = sizeof(mask) * 8 - 1;
__u8 b;
int i = 0;
for (b = (1 << sn); b > 0; b >>= 1)
str[i++] = ((b & mask) ? '1' : '0');
str[i] = '\0';
return str;
}
const char *strxf_mask32(__u32 mask)
{
static char str[16];
sprintf(str, "%.8x", mask);
return str;
}
const char *strxf_share(__u8 share)
{
static char str[32];
switch (share) {
case XFRM_SHARE_ANY:
strcpy(str, "any");
break;
case XFRM_SHARE_SESSION:
strcpy(str, "session");
break;
case XFRM_SHARE_USER:
strcpy(str, "user");
break;
case XFRM_SHARE_UNIQUE:
strcpy(str, "unique");
break;
default:
sprintf(str, "%u", share);
break;
}
return str;
}
const char *strxf_proto(__u8 proto)
{
static char buf[32];
struct protoent *pp;
const char *p;
pp = getprotobynumber(proto);
if (pp)
p = pp->p_name;
else {
sprintf(buf, "%u", proto);
p = buf;
}
return p;
}
void xfrm_id_info_print(xfrm_address_t *saddr, struct xfrm_id *id,
__u8 mode, __u32 reqid, __u16 family, int force_spi,
FILE *fp, const char *prefix)
{
char abuf[256];
if (prefix)
fprintf(fp, prefix);
memset(abuf, '\0', sizeof(abuf));
fprintf(fp, "src %s ", rt_addr_n2a(family, sizeof(*saddr),
saddr, abuf, sizeof(abuf)));
memset(abuf, '\0', sizeof(abuf));
fprintf(fp, "dst %s", rt_addr_n2a(family, sizeof(id->daddr),
&id->daddr, abuf, sizeof(abuf)));
fprintf(fp, "%s", _SL_);
if (prefix)
fprintf(fp, prefix);
fprintf(fp, "\t");
fprintf(fp, "proto %s ", strxf_xfrmproto(id->proto));
if (show_stats > 0 || force_spi || id->spi) {
__u32 spi = ntohl(id->spi);
fprintf(fp, "spi 0x%08x", spi);
if (show_stats > 0)
fprintf(fp, "(%u)", spi);
fprintf(fp, " ");
}
fprintf(fp, "reqid %u", reqid);
if (show_stats > 0)
fprintf(fp, "(0x%08x)", reqid);
fprintf(fp, " ");
fprintf(fp, "mode ");
switch (mode) {
case 0:
fprintf(fp, "transport");
break;
case 1:
fprintf(fp, "tunnel");
break;
default:
fprintf(fp, "%u", mode);
break;
}
fprintf(fp, "%s", _SL_);
}
static const char *strxf_limit(__u64 limit)
{
static char str[32];
if (limit == XFRM_INF)
strcpy(str, "(INF)");
else
sprintf(str, "%llu", (unsigned long long) limit);
return str;
}
void xfrm_stats_print(struct xfrm_stats *s, FILE *fp, const char *prefix)
{
if (prefix)
fprintf(fp, prefix);
fprintf(fp, "stats:");
fprintf(fp, "%s", _SL_);
if (prefix)
fprintf(fp, prefix);
fprintf(fp, " ");
fprintf(fp, "replay-window %u ", s->replay_window);
fprintf(fp, "replay %u ", s->replay);
fprintf(fp, "failed %u", s->integrity_failed);
fprintf(fp, "%s", _SL_);
}
static const char *strxf_time(__u64 time)
{
static char str[32];
if (time == 0)
strcpy(str, "-");
else {
time_t t;
struct tm *tp;
/* XXX: treat time in the same manner of kernel's
* net/xfrm/xfrm_{user,state}.c
*/
t = (long)time;
tp = localtime(&t);
strftime(str, sizeof(str), "%Y-%m-%d %T", tp);
}
return str;
}
void xfrm_lifetime_print(struct xfrm_lifetime_cfg *cfg,
struct xfrm_lifetime_cur *cur,
FILE *fp, const char *prefix)
{
if (cfg) {
if (prefix)
fprintf(fp, prefix);
fprintf(fp, "lifetime config:");
fprintf(fp, "%s", _SL_);
if (prefix)
fprintf(fp, prefix);
fprintf(fp, " ");
fprintf(fp, "limit: ");
fprintf(fp, "soft ");
fprintf(fp, strxf_limit(cfg->soft_byte_limit));
fprintf(fp, "(bytes), hard ");
fprintf(fp, strxf_limit(cfg->hard_byte_limit));
fprintf(fp, "(bytes)");
fprintf(fp, "%s", _SL_);
if (prefix)
fprintf(fp, prefix);
fprintf(fp, " ");
fprintf(fp, "limit: ");
fprintf(fp, "soft ");
fprintf(fp, strxf_limit(cfg->soft_packet_limit));
fprintf(fp, "(packets), hard ");
fprintf(fp, strxf_limit(cfg->hard_packet_limit));
fprintf(fp, "(packets)");
fprintf(fp, "%s", _SL_);
if (prefix)
fprintf(fp, prefix);
fprintf(fp, " ");
fprintf(fp, "expire add: ");
fprintf(fp, "soft ");
fprintf(fp, "%llu", (unsigned long long) cfg->soft_add_expires_seconds);
fprintf(fp, "(sec), hard ");
fprintf(fp, "%llu", (unsigned long long) cfg->hard_add_expires_seconds);
fprintf(fp, "(sec)");
fprintf(fp, "%s", _SL_);
if (prefix)
fprintf(fp, prefix);
fprintf(fp, " ");
fprintf(fp, "expire use: ");
fprintf(fp, "soft ");
fprintf(fp, "%llu", (unsigned long long) cfg->soft_use_expires_seconds);
fprintf(fp, "(sec), hard ");
fprintf(fp, "%llu", (unsigned long long) cfg->hard_use_expires_seconds);
fprintf(fp, "(sec)");
fprintf(fp, "%s", _SL_);
}
if (cur) {
if (prefix)
fprintf(fp, prefix);
fprintf(fp, "lifetime current:");
fprintf(fp, "%s", _SL_);
if (prefix)
fprintf(fp, prefix);
fprintf(fp, " ");
fprintf(fp, "%llu(bytes), ", (unsigned long long) cur->bytes);
fprintf(fp, "%llu(packets)", (unsigned long long) cur->packets);
fprintf(fp, "%s", _SL_);
if (prefix)
fprintf(fp, prefix);
fprintf(fp, " ");
fprintf(fp, "add %s ", strxf_time(cur->add_time));
fprintf(fp, "use %s", strxf_time(cur->use_time));
fprintf(fp, "%s", _SL_);
}
}
void xfrm_selector_print(struct xfrm_selector *sel, __u16 family,
FILE *fp, const char *prefix)
{
char abuf[256];
__u16 f;
f = sel->family;
if (f == AF_UNSPEC)
f = family;
if (f == AF_UNSPEC)
f = preferred_family;
if (prefix)
fprintf(fp, prefix);
memset(abuf, '\0', sizeof(abuf));
fprintf(fp, "src %s/%u ", rt_addr_n2a(f, sizeof(sel->saddr),
&sel->saddr, abuf, sizeof(abuf)),
sel->prefixlen_s);
memset(abuf, '\0', sizeof(abuf));
fprintf(fp, "dst %s/%u ", rt_addr_n2a(f, sizeof(sel->daddr),
&sel->daddr, abuf, sizeof(abuf)),
sel->prefixlen_d);
if (sel->proto)
fprintf(fp, "proto %s ", strxf_proto(sel->proto));
switch (sel->proto) {
case IPPROTO_TCP:
case IPPROTO_UDP:
case IPPROTO_SCTP:
default: /* XXX */
if (sel->sport_mask)
fprintf(fp, "sport %u ", ntohs(sel->sport));
if (sel->dport_mask)
fprintf(fp, "dport %u ", ntohs(sel->dport));
break;
case IPPROTO_ICMP:
case IPPROTO_ICMPV6:
/* type/code is stored at sport/dport in selector */
if (sel->sport_mask)
fprintf(fp, "type %u ", ntohs(sel->sport));
if (sel->dport_mask)
fprintf(fp, "code %u ", ntohs(sel->dport));
break;
}
if (sel->ifindex > 0) {
char buf[IFNAMSIZ];
memset(buf, '\0', sizeof(buf));
if_indextoname(sel->ifindex, buf);
fprintf(fp, "dev %s ", buf);
}
if (show_stats > 0)
fprintf(fp, "uid %u", sel->user);
fprintf(fp, "%s", _SL_);
}
static void xfrm_algo_print(struct xfrm_algo *algo, int type, int len,
FILE *fp, const char *prefix)
{
int keylen;
int i;
if (prefix)
fprintf(fp, prefix);
fprintf(fp, "%s ", strxf_algotype(type));
if (len < sizeof(*algo)) {
fprintf(fp, "(ERROR truncated)");
goto fin;
}
len -= sizeof(*algo);
fprintf(fp, "%s ", algo->alg_name);
keylen = algo->alg_key_len / 8;
if (len < keylen) {
fprintf(fp, "(ERROR truncated)");
goto fin;
}
fprintf(fp, "0x");
for (i = 0; i < keylen; i ++)
fprintf(fp, "%.2x", (unsigned char)algo->alg_key[i]);
if (show_stats > 0)
fprintf(fp, " (%d bits)", algo->alg_key_len);
fin:
fprintf(fp, "%s", _SL_);
}
static void xfrm_tmpl_print(struct xfrm_user_tmpl *tmpls, int len,
__u16 family, FILE *fp, const char *prefix)
{
int ntmpls = len / sizeof(struct xfrm_user_tmpl);
int i;
if (ntmpls <= 0) {
if (prefix)
fprintf(fp, prefix);
fprintf(fp, "(ERROR \"tmpl\" truncated)");
fprintf(fp, "%s", _SL_);
return;
}
for (i = 0; i < ntmpls; i++) {
struct xfrm_user_tmpl *tmpl = &tmpls[i];
if (prefix)
fprintf(fp, prefix);
fprintf(fp, "tmpl");
xfrm_id_info_print(&tmpl->saddr, &tmpl->id, tmpl->mode,
tmpl->reqid, family, 0, fp, prefix);
if (show_stats > 0 || tmpl->optional) {
if (prefix)
fprintf(fp, prefix);
fprintf(fp, "\t");
switch (tmpl->optional) {
case 0:
if (show_stats > 0)
fprintf(fp, "level required ");
break;
case 1:
fprintf(fp, "level use ");
break;
default:
fprintf(fp, "level %u ", tmpl->optional);
break;
}
if (show_stats > 0)
fprintf(fp, "share %s ", strxf_share(tmpl->share));
fprintf(fp, "%s", _SL_);
}
if (show_stats > 0) {
if (prefix)
fprintf(fp, prefix);
fprintf(fp, "\t");
fprintf(fp, "%s-mask %s ",
strxf_algotype(XFRMA_ALG_CRYPT),
strxf_mask32(tmpl->ealgos));
fprintf(fp, "%s-mask %s ",
strxf_algotype(XFRMA_ALG_AUTH),
strxf_mask32(tmpl->aalgos));
fprintf(fp, "%s-mask %s",
strxf_algotype(XFRMA_ALG_COMP),
strxf_mask32(tmpl->calgos));
fprintf(fp, "%s", _SL_);
}
}
}
void xfrm_xfrma_print(struct rtattr *tb[], int ntb, __u16 family,
FILE *fp, const char *prefix)
{
int i;
for (i = 0; i < ntb; i++) {
__u16 type = tb[i]->rta_type;
int len = RTA_PAYLOAD(tb[i]);
void *data = RTA_DATA(tb[i]);
switch (type) {
case XFRMA_ALG_CRYPT:
case XFRMA_ALG_AUTH:
case XFRMA_ALG_COMP:
xfrm_algo_print((struct xfrm_algo *)data, type, len,
fp, prefix);
break;
case XFRMA_ENCAP:
{
struct xfrm_encap_tmpl *e;
char abuf[256];
if (prefix)
fprintf(fp, prefix);
fprintf(fp, "encap ");
if (len < sizeof(*e)) {
fprintf(fp, "(ERROR truncated)");
fprintf(fp, "%s", _SL_);
break;
}
e = (struct xfrm_encap_tmpl *)data;
fprintf(fp, "type %u ", e->encap_type);
fprintf(fp, "sport %u ", ntohs(e->encap_sport));
fprintf(fp, "dport %u ", ntohs(e->encap_dport));
memset(abuf, '\0', sizeof(abuf));
fprintf(fp, "addr %s",
rt_addr_n2a(family, sizeof(e->encap_oa),
&e->encap_oa, abuf, sizeof(abuf)));
fprintf(fp, "%s", _SL_);
break;
}
case XFRMA_TMPL:
xfrm_tmpl_print((struct xfrm_user_tmpl *)data,
len, family, fp, prefix);
break;
default:
if (prefix)
fprintf(fp, prefix);
fprintf(fp, "%u (unknown rta_type)", type);
fprintf(fp, "%s", _SL_);
break;
}
}
}
int xfrm_id_parse(xfrm_address_t *saddr, struct xfrm_id *id, __u16 *family,
int loose, int *argcp, char ***argvp)
{
int argc = *argcp;
char **argv = *argvp;
inet_prefix dst;
inet_prefix src;
memset(&dst, 0, sizeof(dst));
memset(&src, 0, sizeof(src));
while (1) {
if (strcmp(*argv, "src") == 0) {
NEXT_ARG();
get_prefix(&src, *argv, preferred_family);
if (src.family == AF_UNSPEC)
invarg("\"src\" address family is AF_UNSPEC", *argv);
if (family)
*family = src.family;
memcpy(saddr, &src.data, sizeof(*saddr));
filter.id_src_mask = src.bitlen;
} else if (strcmp(*argv, "dst") == 0) {
NEXT_ARG();
get_prefix(&dst, *argv, preferred_family);
if (dst.family == AF_UNSPEC)
invarg("\"dst\" address family is AF_UNSPEC", *argv);
if (family)
*family = dst.family;
memcpy(&id->daddr, &dst.data, sizeof(id->daddr));
filter.id_dst_mask = dst.bitlen;
} else if (strcmp(*argv, "proto") == 0) {
int ret;
NEXT_ARG();
ret = xfrm_xfrmproto_getbyname(*argv);
if (ret < 0)
invarg("\"XFRM_PROTO\" is invalid", *argv);
id->proto = (__u8)ret;
filter.id_proto_mask = XFRM_FILTER_MASK_FULL;
} else if (strcmp(*argv, "spi") == 0) {
__u32 spi;
NEXT_ARG();
if (get_u32(&spi, *argv, 0))
invarg("\"SPI\" is invalid", *argv);
spi = htonl(spi);
id->spi = spi;
filter.id_spi_mask = XFRM_FILTER_MASK_FULL;
} else {
PREV_ARG(); /* back track */
break;
}
if (!NEXT_ARG_OK())
break;
NEXT_ARG();
}
if (src.family && dst.family && (src.family != dst.family))
invarg("the same address family is required between \"src\" and \"dst\"", *argv);
if (loose == 0 && id->proto == 0)
missarg("XFRM_PROTO");
if (argc == *argcp)
missarg("ID");
*argcp = argc;
*argvp = argv;
return 0;
}
int xfrm_mode_parse(__u8 *mode, int *argcp, char ***argvp)
{
int argc = *argcp;
char **argv = *argvp;
if (matches(*argv, "transport") == 0)
*mode = 0;
else if (matches(*argv, "tunnel") == 0)
*mode = 1;
else
invarg("\"MODE\" is invalid", *argv);
*argcp = argc;
*argvp = argv;
return 0;
}
/* NOTE: reqid is used by host-byte order */
int xfrm_reqid_parse(__u32 *reqid, int *argcp, char ***argvp)
{
int argc = *argcp;
char **argv = *argvp;
if (get_u32(reqid, *argv, 0))
invarg("\"REQID\" is invalid", *argv);
*argcp = argc;
*argvp = argv;
return 0;
}
static int xfrm_selector_upspec_parse(struct xfrm_selector *sel,
int *argcp, char ***argvp)
{
int argc = *argcp;
char **argv = *argvp;
char *sportp = NULL;
char *dportp = NULL;
char *typep = NULL;
char *codep = NULL;
while (1) {
if (strcmp(*argv, "proto") == 0) {
__u8 upspec;
NEXT_ARG();
if (strcmp(*argv, "any") == 0)
upspec = 0;
else {
struct protoent *pp;
pp = getprotobyname(*argv);
if (pp)
upspec = pp->p_proto;
else {
if (get_u8(&upspec, *argv, 0))
invarg("\"PROTO\" is invalid", *argv);
}
}
sel->proto = upspec;
filter.upspec_proto_mask = XFRM_FILTER_MASK_FULL;
} else if (strcmp(*argv, "sport") == 0) {
sportp = *argv;
NEXT_ARG();
if (get_u16(&sel->sport, *argv, 0))
invarg("\"PORT\" is invalid", *argv);
sel->sport = htons(sel->sport);
if (sel->sport)
sel->sport_mask = ~((__u16)0);
filter.upspec_sport_mask = XFRM_FILTER_MASK_FULL;
} else if (strcmp(*argv, "dport") == 0) {
dportp = *argv;
NEXT_ARG();
if (get_u16(&sel->dport, *argv, 0))
invarg("\"PORT\" is invalid", *argv);
sel->dport = htons(sel->dport);
if (sel->dport)
sel->dport_mask = ~((__u16)0);
filter.upspec_dport_mask = XFRM_FILTER_MASK_FULL;
} else if (strcmp(*argv, "type") == 0) {
typep = *argv;
NEXT_ARG();
if (get_u16(&sel->sport, *argv, 0) ||
(sel->sport & ~((__u16)0xff)))
invarg("\"type\" value is invalid", *argv);
sel->sport = htons(sel->sport);
sel->sport_mask = ~((__u16)0);
filter.upspec_sport_mask = XFRM_FILTER_MASK_FULL;
} else if (strcmp(*argv, "code") == 0) {
codep = *argv;
NEXT_ARG();
if (get_u16(&sel->dport, *argv, 0) ||
(sel->dport & ~((__u16)0xff)))
invarg("\"code\" value is invalid", *argv);
sel->dport = htons(sel->dport);
sel->dport_mask = ~((__u16)0);
filter.upspec_dport_mask = XFRM_FILTER_MASK_FULL;
} else {
PREV_ARG(); /* back track */
break;
}
if (!NEXT_ARG_OK())
break;
NEXT_ARG();
}
if (argc == *argcp)
missarg("UPSPEC");
if (sportp || dportp) {
switch (sel->proto) {
case IPPROTO_TCP:
case IPPROTO_UDP:
case IPPROTO_SCTP:
break;
default:
fprintf(stderr, "\"sport\" and \"dport\" are invalid with proto=%s\n", strxf_proto(sel->proto));
exit(1);
}
}
if (typep || codep) {
switch (sel->proto) {
case IPPROTO_ICMP:
case IPPROTO_ICMPV6:
break;
default:
fprintf(stderr, "\"type\" and \"code\" are invalid with proto=%s\n", strxf_proto(sel->proto));
exit(1);
}
}
*argcp = argc;
*argvp = argv;
return 0;
}
int xfrm_selector_parse(struct xfrm_selector *sel, int *argcp, char ***argvp)
{
int argc = *argcp;
char **argv = *argvp;
inet_prefix dst;
inet_prefix src;
char *upspecp = NULL;
memset(&dst, 0, sizeof(dst));
memset(&src, 0, sizeof(src));
while (1) {
if (strcmp(*argv, "src") == 0) {
NEXT_ARG();
get_prefix(&src, *argv, preferred_family);
if (src.family == AF_UNSPEC)
invarg("\"src\" address family is AF_UNSPEC", *argv);
sel->family = src.family;
memcpy(&sel->saddr, &src.data, sizeof(sel->saddr));
sel->prefixlen_s = src.bitlen;
filter.sel_src_mask = src.bitlen;
} else if (strcmp(*argv, "dst") == 0) {
NEXT_ARG();
get_prefix(&dst, *argv, preferred_family);
if (dst.family == AF_UNSPEC)
invarg("\"dst\" address family is AF_UNSPEC", *argv);
sel->family = dst.family;
memcpy(&sel->daddr, &dst.data, sizeof(sel->daddr));
sel->prefixlen_d = dst.bitlen;
filter.sel_dst_mask = dst.bitlen;
} else if (strcmp(*argv, "dev") == 0) {
int ifindex;
NEXT_ARG();
if (strcmp(*argv, "none") == 0)
ifindex = 0;
else {
ifindex = if_nametoindex(*argv);
if (ifindex <= 0)
invarg("\"DEV\" is invalid", *argv);
}
sel->ifindex = ifindex;
filter.sel_dev_mask = XFRM_FILTER_MASK_FULL;
} else {
if (upspecp) {
PREV_ARG(); /* back track */
break;
} else {
upspecp = *argv;
xfrm_selector_upspec_parse(sel, &argc, &argv);
}
}
if (!NEXT_ARG_OK())
break;
NEXT_ARG();
}
if (src.family && dst.family && (src.family != dst.family))
invarg("the same address family is required between \"src\" and \"dst\"", *argv);
if (argc == *argcp)
missarg("SELECTOR");
*argcp = argc;
*argvp = argv;
return 0;
}
int xfrm_lifetime_cfg_parse(struct xfrm_lifetime_cfg *lft,
int *argcp, char ***argvp)
{
int argc = *argcp;
char **argv = *argvp;
int ret;
if (strcmp(*argv, "time-soft") == 0) {
NEXT_ARG();
ret = get_u64(&lft->soft_add_expires_seconds, *argv, 0);
if (ret)
invarg("\"time-soft\" value is invalid", *argv);
} else if (strcmp(*argv, "time-hard") == 0) {
NEXT_ARG();
ret = get_u64(&lft->hard_add_expires_seconds, *argv, 0);
if (ret)
invarg("\"time-hard\" value is invalid", *argv);
} else if (strcmp(*argv, "time-use-soft") == 0) {
NEXT_ARG();
ret = get_u64(&lft->soft_use_expires_seconds, *argv, 0);
if (ret)
invarg("\"time-use-soft\" value is invalid", *argv);
} else if (strcmp(*argv, "time-use-hard") == 0) {
NEXT_ARG();
ret = get_u64(&lft->hard_use_expires_seconds, *argv, 0);
if (ret)
invarg("\"time-use-hard\" value is invalid", *argv);
} else if (strcmp(*argv, "byte-soft") == 0) {
NEXT_ARG();
ret = get_u64(&lft->soft_byte_limit, *argv, 0);
if (ret)
invarg("\"byte-soft\" value is invalid", *argv);
} else if (strcmp(*argv, "byte-hard") == 0) {
NEXT_ARG();
ret = get_u64(&lft->hard_byte_limit, *argv, 0);
if (ret)
invarg("\"byte-hard\" value is invalid", *argv);
} else if (strcmp(*argv, "packet-soft") == 0) {
NEXT_ARG();
ret = get_u64(&lft->soft_packet_limit, *argv, 0);
if (ret)
invarg("\"packet-soft\" value is invalid", *argv);
} else if (strcmp(*argv, "packet-hard") == 0) {
NEXT_ARG();
ret = get_u64(&lft->hard_packet_limit, *argv, 0);
if (ret)
invarg("\"packet-hard\" value is invalid", *argv);
} else
invarg("\"LIMIT\" is invalid", *argv);
*argcp = argc;
*argvp = argv;
return 0;
}
int do_xfrm(int argc, char **argv)
{
memset(&filter, 0, sizeof(filter));
if (argc < 1)
usage();
if (matches(*argv, "state") == 0 ||
matches(*argv, "sa") == 0) {
return do_xfrm_state(argc-1, argv+1);
} else if (matches(*argv, "policy") == 0)
return do_xfrm_policy(argc-1, argv+1);
else if (matches(*argv, "help") == 0) {
usage();
fprintf(stderr, "xfrm Object \"%s\" is unknown.\n", *argv);
exit(-1);
}
usage();
}