+++ /dev/null
-/* $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"
-
-#define STRBUF_SIZE (128)
-#define STRBUF_CAT(buf, str) \
- do { \
- int rest = sizeof(buf) - 1 - strlen(buf); \
- if (rest > 0) { \
- int len = strlen(str); \
- if (len > rest) \
- len = rest; \
- strncat(buf, str, len); \
- buf[sizeof(buf) - 1] = '\0'; \
- } \
- } while(0);
-
-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 | monitor }\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, const char *title)
-{
- char abuf[256];
-
- if (title)
- fprintf(fp, title);
-
- 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:
- case IPPROTO_DCCP:
- 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);
-
- xfrm_id_info_print(&tmpl->saddr, &tmpl->id, tmpl->mode,
- tmpl->reqid, family, 0, fp, prefix, "tmpl ");
-
- 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[], __u16 family,
- FILE *fp, const char *prefix)
-{
- if (tb[XFRMA_ALG_AUTH]) {
- struct rtattr *rta = tb[XFRMA_ALG_AUTH];
- xfrm_algo_print((struct xfrm_algo *) RTA_DATA(rta),
- XFRMA_ALG_AUTH, RTA_PAYLOAD(rta), fp, prefix);
- }
-
- if (tb[XFRMA_ALG_CRYPT]) {
- struct rtattr *rta = tb[XFRMA_ALG_CRYPT];
- xfrm_algo_print((struct xfrm_algo *) RTA_DATA(rta),
- XFRMA_ALG_CRYPT, RTA_PAYLOAD(rta), fp, prefix);
- }
-
- if (tb[XFRMA_ALG_COMP]) {
- struct rtattr *rta = tb[XFRMA_ALG_COMP];
- xfrm_algo_print((struct xfrm_algo *) RTA_DATA(rta),
- XFRMA_ALG_COMP, RTA_PAYLOAD(rta), fp, prefix);
- }
-
- if (tb[XFRMA_ENCAP]) {
- struct xfrm_encap_tmpl *e;
- char abuf[256];
-
- if (prefix)
- fprintf(fp, prefix);
- fprintf(fp, "encap ");
-
- if (RTA_PAYLOAD(tb[XFRMA_ENCAP]) < sizeof(*e)) {
- fprintf(fp, "(ERROR truncated)");
- fprintf(fp, "%s", _SL_);
- return;
- }
- e = (struct xfrm_encap_tmpl *) RTA_DATA(tb[XFRMA_ENCAP]);
-
- fprintf(fp, "type ");
- switch (e->encap_type) {
- case 1:
- fprintf(fp, "espinudp-nonike ");
- break;
- case 2:
- fprintf(fp, "espinudp ");
- break;
- default:
- fprintf(fp, "%u ", e->encap_type);
- break;
- }
- 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_);
- }
-
- if (tb[XFRMA_TMPL]) {
- struct rtattr *rta = tb[XFRMA_TMPL];
- xfrm_tmpl_print((struct xfrm_user_tmpl *) RTA_DATA(rta),
- RTA_PAYLOAD(rta), family, fp, prefix);
- }
-}
-
-static int xfrm_selector_iszero(struct xfrm_selector *s)
-{
- struct xfrm_selector s0;
-
- memset(&s0, 0, sizeof(s0));
-
- return (memcmp(&s0, s, sizeof(s0)) == 0);
-}
-
-void xfrm_state_info_print(struct xfrm_usersa_info *xsinfo,
- struct rtattr *tb[], FILE *fp, const char *prefix,
- const char *title)
-{
- char buf[STRBUF_SIZE];
-
- memset(buf, '\0', sizeof(buf));
-
- xfrm_id_info_print(&xsinfo->saddr, &xsinfo->id, xsinfo->mode,
- xsinfo->reqid, xsinfo->family, 1, fp, prefix,
- title);
-
- if (prefix)
- STRBUF_CAT(buf, prefix);
- STRBUF_CAT(buf, "\t");
-
- fprintf(fp, buf);
- fprintf(fp, "replay-window %u ", xsinfo->replay_window);
- if (show_stats > 0)
- fprintf(fp, "seq 0x%08u ", xsinfo->seq);
- if (show_stats > 0 || xsinfo->flags) {
- __u8 flags = xsinfo->flags;
-
- fprintf(fp, "flag ");
- XFRM_FLAG_PRINT(fp, flags, XFRM_STATE_NOECN, "noecn");
- XFRM_FLAG_PRINT(fp, flags, XFRM_STATE_DECAP_DSCP, "decap-dscp");
- if (flags)
- fprintf(fp, "%x", flags);
- if (show_stats > 0)
- fprintf(fp, " (0x%s)", strxf_mask8(flags));
- }
- fprintf(fp, "%s", _SL_);
-
- xfrm_xfrma_print(tb, xsinfo->family, fp, buf);
-
- if (!xfrm_selector_iszero(&xsinfo->sel)) {
- char sbuf[STRBUF_SIZE];
-
- memcpy(sbuf, buf, sizeof(sbuf));
- STRBUF_CAT(sbuf, "sel ");
-
- xfrm_selector_print(&xsinfo->sel, xsinfo->family, fp, sbuf);
- }
-
- if (show_stats > 0) {
- xfrm_lifetime_print(&xsinfo->lft, &xsinfo->curlft, fp, buf);
- xfrm_stats_print(&xsinfo->stats, fp, buf);
- }
-}
-
-void xfrm_policy_info_print(struct xfrm_userpolicy_info *xpinfo,
- struct rtattr *tb[], FILE *fp, const char *prefix,
- const char *title)
-{
- char buf[STRBUF_SIZE];
-
- memset(buf, '\0', sizeof(buf));
-
- xfrm_selector_print(&xpinfo->sel, preferred_family, fp, title);
-
- if (prefix)
- STRBUF_CAT(buf, prefix);
- STRBUF_CAT(buf, "\t");
-
- fprintf(fp, buf);
- fprintf(fp, "dir ");
- switch (xpinfo->dir) {
- case XFRM_POLICY_IN:
- fprintf(fp, "in");
- break;
- case XFRM_POLICY_OUT:
- fprintf(fp, "out");
- break;
- case XFRM_POLICY_FWD:
- fprintf(fp, "fwd");
- break;
- default:
- fprintf(fp, "%u", xpinfo->dir);
- break;
- }
- fprintf(fp, " ");
-
- switch (xpinfo->action) {
- case XFRM_POLICY_ALLOW:
- if (show_stats > 0)
- fprintf(fp, "action allow ");
- break;
- case XFRM_POLICY_BLOCK:
- fprintf(fp, "action block ");
- break;
- default:
- fprintf(fp, "action %u ", xpinfo->action);
- break;
- }
-
- if (show_stats)
- fprintf(fp, "index %u ", xpinfo->index);
- fprintf(fp, "priority %u ", xpinfo->priority);
- if (show_stats > 0) {
- fprintf(fp, "share %s ", strxf_share(xpinfo->share));
- fprintf(fp, "flag 0x%s", strxf_mask8(xpinfo->flags));
- }
- fprintf(fp, "%s", _SL_);
-
- if (show_stats > 0)
- xfrm_lifetime_print(&xpinfo->lft, &xpinfo->curlft, fp, buf);
-
- xfrm_xfrma_print(tb, xpinfo->sel.family, fp, buf);
-}
-
-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;
-}
-
-int xfrm_encap_type_parse(__u16 *type, int *argcp, char ***argvp)
-{
- int argc = *argcp;
- char **argv = *argvp;
-
- if (strcmp(*argv, "espinudp-nonike") == 0)
- *type = 1;
- else if (strcmp(*argv, "espinudp") == 0)
- *type = 2;
- else
- invarg("\"ENCAP-TYPE\" 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:
- case IPPROTO_DCCP:
- 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, "monitor") == 0)
- return do_xfrm_monitor(argc-1, argv+1);
- else if (matches(*argv, "help") == 0) {
- usage();
- fprintf(stderr, "xfrm Object \"%s\" is unknown.\n", *argv);
- exit(-1);
- }
- usage();
-}
git://git.onelab.eu / iproute2.git / blobdiff