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-rw-r--r--wiretap/erf.c40
1 files changed, 39 insertions, 1 deletions
diff --git a/wiretap/erf.c b/wiretap/erf.c
index 4f608c6988..b3769643c5 100644
--- a/wiretap/erf.c
+++ b/wiretap/erf.c
@@ -56,6 +56,7 @@
#include "wtap-int.h"
#include "file_wrappers.h"
#include "buffer.h"
+#include "pcap-encap.h"
#include "atm.h"
#include "erf.h"
@@ -104,6 +105,7 @@ extern int erf_open(wtap *wth, int *err, gchar **err_info)
guint8 type;
size_t r;
gchar * buffer;
+ wtapng_if_descr_t int_data;
memset(&prevts, 0, sizeof(prevts));
@@ -275,6 +277,41 @@ extern int erf_open(wtap *wth, int *err, gchar **err_info)
wth->subtype_seek_read = erf_seek_read;
wth->tsprecision = WTAP_FILE_TSPREC_NSEC;
+ /* Preemptively create interface entries for 4 interfaces, since this is the max number in ERF */
+ wth->interface_data = g_array_new(FALSE, FALSE, sizeof(wtapng_if_descr_t));
+
+ memset(&int_data, 0, sizeof(int_data)); /* Zero all fields */
+
+ int_data.wtap_encap = WTAP_ENCAP_ERF;
+ int_data.time_units_per_second = (1LL<<32); /* ERF format resolution is 2^-32, capture resolution is unknown */
+ int_data.link_type = wtap_wtap_encap_to_pcap_encap(WTAP_ENCAP_ERF);
+ int_data.snap_len = 65535; /* ERF max length */
+ int_data.opt_comment = NULL;
+ /* XXX: if_IPv4addr opt 4 Interface network address and netmask.*/
+ /* XXX: if_IPv6addr opt 5 Interface network address and prefix length (stored in the last byte).*/
+ /* XXX: if_MACaddr opt 6 Interface Hardware MAC address (48 bits).*/
+ /* XXX: if_EUIaddr opt 7 Interface Hardware EUI address (64 bits)*/
+ int_data.if_speed = 0; /* Unknown */
+ int_data.if_tsresol = 0xa0; /* ERF format resolution is 2^-32 = 0xa0, capture resolution is unknown */
+ /* XXX: if_tzone 10 Time zone for GMT support (TODO: specify better). */
+ int_data.if_filter_str = NULL;
+ int_data.bpf_filter_len = 0;
+ int_data.if_filter_bpf_bytes = NULL;
+ int_data.if_os = NULL;
+ int_data.if_fcslen = 0; /* unknown! */
+ /* XXX if_tsoffset; opt 14 A 64 bits integer value that specifies an offset (in seconds)...*/
+ /* Interface statistics */
+ int_data.num_stat_entries = 0;
+ int_data.interface_statistics = NULL;
+
+ for (i=0; i<4; i++) {
+ int_data.if_name = g_strdup_printf("Port %c", 'A'+i);
+ int_data.if_description = g_strdup_printf("ERF Interface Id %d (Port %c)", i, 'A'+i);
+
+ g_array_append_val(wth->interface_data, int_data);
+ wth->number_of_interfaces++;
+ }
+
return 1;
}
@@ -376,7 +413,7 @@ static int erf_read_header(FILE_T fh,
if (phdr != NULL) {
guint64 ts = pletohll(&erf_header->ts);
- phdr->presence_flags = WTAP_HAS_TS|WTAP_HAS_CAP_LEN;
+ phdr->presence_flags = WTAP_HAS_TS|WTAP_HAS_CAP_LEN|WTAP_HAS_INTERFACE_ID;
phdr->ts.secs = (long) (ts >> 32);
ts = ((ts & 0xffffffff) * 1000 * 1000 * 1000);
ts += (ts & 0x80000000) << 1; /* rounding */
@@ -385,6 +422,7 @@ static int erf_read_header(FILE_T fh,
phdr->ts.nsecs -= 1000000000;
phdr->ts.secs += 1;
}
+ phdr->interface_id = (erf_header->flags & 0x03);
}
/* Copy the ERF pseudo header */