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| author | Luiz Otavio O Souza <loos@FreeBSD.org> | 2021-07-12 17:15:15 +0000 |
|---|---|---|
| committer | Kristof Provost <kp@FreeBSD.org> | 2021-07-13 11:29:52 +0000 |
| commit | 3f240bdf3652ea823af34b0f399e2c8be5a6320a (patch) | |
| tree | 76883f4e8d1c590205b0ca5555ead49347dce7ca | |
| parent | 3eaf271d3c0e4fa18b74971a71c950fd43fa4189 (diff) | |
| download | src-3f240bdf3652ea823af34b0f399e2c8be5a6320a.tar.gz src-3f240bdf3652ea823af34b0f399e2c8be5a6320a.zip | |
tcpdump: decode packets on pfsync interfaces
Reviewed by: kp, scottl
Obtained from: pfsense
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D31153
| -rw-r--r-- | contrib/tcpdump/netdissect.h | 1 | ||||
| -rw-r--r-- | contrib/tcpdump/print-pfsync.c | 15 | ||||
| -rw-r--r-- | contrib/tcpdump/print.c | 3 |
3 files changed, 11 insertions, 8 deletions
diff --git a/contrib/tcpdump/netdissect.h b/contrib/tcpdump/netdissect.h index 20b5ef63668c..8612e11c3c7e 100644 --- a/contrib/tcpdump/netdissect.h +++ b/contrib/tcpdump/netdissect.h @@ -571,6 +571,7 @@ extern int ospf_print_grace_lsa(netdissect_options *, const uint8_t *, u_int); extern int ospf_print_te_lsa(netdissect_options *, const uint8_t *, u_int); extern void otv_print(netdissect_options *, const u_char *, u_int); extern void pfsync_ip_print(netdissect_options *, const u_char *, u_int); +extern u_int pfsync_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *); extern void pgm_print(netdissect_options *, const u_char *, u_int, const u_char *); extern void pim_print(netdissect_options *, const u_char *, u_int, const u_char *); extern void pimv1_print(netdissect_options *, const u_char *, u_int); diff --git a/contrib/tcpdump/print-pfsync.c b/contrib/tcpdump/print-pfsync.c index 62913337e527..dc1cd039f5b0 100644 --- a/contrib/tcpdump/print-pfsync.c +++ b/contrib/tcpdump/print-pfsync.c @@ -57,30 +57,29 @@ static void print_src_dst(netdissect_options *, const struct pfsync_state_peer *, uint8_t); static void print_state(netdissect_options *, struct pfsync_state *); -#ifdef notyet -void -pfsync_if_print(u_char *user, const struct pcap_pkthdr *h, +u_int +pfsync_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, register const u_char *p) { u_int caplen = h->caplen; - ts_print(&h->ts); + ts_print(ndo, &h->ts); if (caplen < PFSYNC_HDRLEN) { ND_PRINT((ndo, "[|pfsync]")); goto out; } - pfsync_print((struct pfsync_header *)p, + pfsync_print(ndo, (struct pfsync_header *)p, p + sizeof(struct pfsync_header), caplen - sizeof(struct pfsync_header)); out: - if (xflag) { - default_print((const u_char *)p, caplen); + if (ndo->ndo_xflag) { + hex_print(ndo, "\n\t", p, caplen); } safeputchar(ndo, '\n'); + return (caplen); } -#endif /* notyet */ void pfsync_ip_print(netdissect_options *ndo , const u_char *bp, u_int len) diff --git a/contrib/tcpdump/print.c b/contrib/tcpdump/print.c index c76f34411778..e5436f4d738f 100644 --- a/contrib/tcpdump/print.c +++ b/contrib/tcpdump/print.c @@ -122,6 +122,9 @@ static const struct printer printers[] = { #if defined(DLT_PFLOG) && defined(HAVE_NET_IF_PFLOG_H) { pflog_if_print, DLT_PFLOG }, #endif +#if defined(DLT_PFSYNC) && defined(HAVE_NET_PFVAR_H) + { pfsync_if_print, DLT_PFSYNC}, +#endif { token_if_print, DLT_IEEE802 }, { fddi_if_print, DLT_FDDI }, #ifdef DLT_LINUX_SLL |