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ip: xfrm: report nat-t/encapsulation portmapping updates

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Signed-off-by: Florian Westphal <fw@strlen.de>
This commit is contained in:
Florian Westphal 2012-03-13 12:35:25 +00:00 committed by Stephen Hemminger
parent c23abafbdc
commit 598a42c091
1 changed files with 49 additions and 7 deletions
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56
ip/xfrm_monitor.c
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@ -221,6 +221,20 @@ void xfrm_ae_flags_print(__u32 flags, void *arg)
}
static void xfrm_usersa_print(const struct xfrm_usersa_id *sa_id, __u32 reqid, FILE *fp)
{
char buf[256];
buf[0] = 0;
fprintf(fp, "dst %s ", rt_addr_n2a(sa_id->family,
sizeof(sa_id->daddr), &sa_id->daddr, buf, sizeof(buf)));
fprintf(fp, " reqid 0x%x", reqid);
fprintf(fp, " protocol %s ", strxf_proto(sa_id->proto));
fprintf(fp, " SPI 0x%x", ntohl(sa_id->spi));
}
static int xfrm_ae_print(const struct sockaddr_nl *who,
struct nlmsghdr *n, void *arg)
{
@ -235,13 +249,8 @@ static int xfrm_ae_print(const struct sockaddr_nl *who,
fprintf(fp, "src %s ", rt_addr_n2a(id->sa_id.family,
sizeof(id->saddr), &id->saddr,
abuf, sizeof(abuf)));
memset(abuf, '\0', sizeof(abuf));
fprintf(fp, "dst %s ", rt_addr_n2a(id->sa_id.family,
sizeof(id->sa_id.daddr), &id->sa_id.daddr,
abuf, sizeof(abuf)));
fprintf(fp, " reqid 0x%x", id->reqid);
fprintf(fp, " protocol %s ", strxf_proto(id->sa_id.proto));
fprintf(fp, " SPI 0x%x", ntohl(id->sa_id.spi));
xfrm_usersa_print(&id->sa_id, id->reqid, fp);
fprintf(fp, "\n");
fflush(fp);
@ -249,6 +258,36 @@ static int xfrm_ae_print(const struct sockaddr_nl *who,
return 0;
}
static void xfrm_print_addr(FILE *fp, int family, xfrm_address_t *a, size_t s)
{
char buf[256];
buf[0] = 0;
fprintf(fp, "%s", rt_addr_n2a(family, s, a, buf, sizeof(buf)));
}
static int xfrm_mapping_print(const struct sockaddr_nl *who,
struct nlmsghdr *n, void *arg)
{
FILE *fp = (FILE*)arg;
struct xfrm_user_mapping *map = NLMSG_DATA(n);
fprintf(fp, "Mapping change ");
xfrm_print_addr(fp, map->id.family, &map->old_saddr,
sizeof(map->old_saddr));
fprintf(fp, ":%d -> ", ntohs(map->old_sport));
xfrm_print_addr(fp, map->id.family, &map->new_saddr,
sizeof(map->new_saddr));
fprintf(fp, ":%d\n\t", ntohs(map->new_sport));
xfrm_usersa_print(&map->id, map->reqid, fp);
fprintf(fp, "\n");
fflush(fp);
return 0;
}
static int xfrm_accept_msg(const struct sockaddr_nl *who,
struct nlmsghdr *n, void *arg)
{
@ -285,6 +324,9 @@ static int xfrm_accept_msg(const struct sockaddr_nl *who,
case XFRM_MSG_NEWAE:
xfrm_ae_print(who, n, arg);
return 0;
case XFRM_MSG_MAPPING:
xfrm_mapping_print(who, n, arg);
return 0;
default:
break;
}