From 598a42c09153a1b6cfe03efa3f7e68773eec912d Mon Sep 17 00:00:00 2001 From: Florian Westphal Date: Tue, 13 Mar 2012 12:35:25 +0000 Subject: ip: xfrm: report nat-t/encapsulation portmapping updates Signed-off-by: Florian Westphal --- ip/xfrm_monitor.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++------- 1 file changed, 49 insertions(+), 7 deletions(-) diff --git a/ip/xfrm_monitor.c b/ip/xfrm_monitor.c index 6a5b331..ea17987 100644 --- a/ip/xfrm_monitor.c +++ b/ip/xfrm_monitor.c @@ -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; } -- cgit v1.2.3