/* lanalyzer.c
*
- * $Id: lanalyzer.c,v 1.28 2001/04/16 22:06:34 guy Exp $
+ * $Id: lanalyzer.c,v 1.41 2003/12/11 21:23:37 ulfl Exp $
*
* Wiretap Library
- * Copyright (c) 1998 by Gilbert Ramirez <gram@xiexie.org>
- *
+ * Copyright (c) 1998 by Gilbert Ramirez <gram@alumni.rice.edu>
+ *
* 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.
- *
*/
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
/* The LANalyzer format is documented (at least in part) in Novell document
TID022037, which can be found at, among other places:
- http://www.hackzone.ru/nsp/info/nw/lan/trace.txt
+ http://secinf.net/info/nw/lan/trace.txt
*/
-/* Record types. */
-#define REC_TRACE_HEADER 0x1001
-#define REC_CYCLIC_TRACE_HEADER 0x1007
-#define REC_TRACE_SUMMARY 0x1002
-#define REC_TRACE_PACKET_DATA 0x1005
-
/* LANalyzer board types (which indicate the type of network on which
the capture was done). */
#define BOARD_325 226 /* LANalyzer 325 (Ethernet) */
#define BOARD_325TR 227 /* LANalyzer 325TR (Token-ring) */
-static gboolean lanalyzer_read(wtap *wth, int *err, int *data_offset);
-static void lanalyzer_close(wtap *wth);
+
+static const gint8 LA_HeaderRegularFake[] = {
+0x01,0x10,0x4c,0x00,0x01,0x05,0x54,0x72,0x61,0x63,0x65,0x20,0x44,0x69,0x73,0x70,
+0x6c,0x61,0x79,0x20,0x54,0x72,0x61,0x63,0x65,0x20,0x46,0x69,0x6c,0x65,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
+ };
+
+static const gint8 LA_RxChannelNameFake[] = {
+0x06,0x10,0x80,0x00,0x43,0x68,0x61,0x6e ,0x6e,0x65,0x6c,0x31,0x00,0x43,0x68,0x61,
+0x6e,0x6e,0x65,0x6c,0x32,0x00,0x43,0x68 ,0x61,0x6e,0x6e,0x65,0x6c,0x33,0x00,0x43,
+0x68,0x61,0x6e,0x6e,0x65,0x6c,0x34,0x00 ,0x43,0x68,0x61,0x6e,0x6e,0x65,0x6c,0x35,
+0x00,0x43,0x68,0x61,0x6e,0x6e,0x65,0x6c ,0x36,0x00,0x43,0x68,0x61,0x6e,0x6e,0x65,
+0x6c,0x37,0x00,0x43,0x68,0x61,0x6e,0x6e ,0x65,0x6c,0x38,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00
+ };
+
+static const gint8 LA_TxChannelNameFake[] = {
+ 0x0b,0x10,0x36,0x00 ,0x54,0x72,0x61,0x6e,0x73,0x31,0x00,0x00,
+0x00,0x54,0x72,0x61,0x6e,0x73,0x32,0x00 ,0x00,0x00,0x54,0x72,0x61,0x6e,0x73,0x33,
+0x00,0x00,0x00,0x54,0x72,0x61,0x6e,0x73 ,0x34,0x00,0x00,0x00,0x54,0x72,0x61,0x6e,
+0x73,0x35,0x00,0x00,0x00,0x54,0x72,0x61 ,0x6e,0x73,0x36,0x00,0x00,0x00
+ };
+
+static const gint8 LA_RxTemplateNameFake[] = {
+ 0x35,0x10,
+0x90,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00
+ };
+
+static const gint8 LA_TxTemplateNameFake[] = {
+ 0x36,0x10,0x36,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00
+ };
+
+static const gint8 LA_DisplayOptionsFake[] = {
+ 0x0a,0x10,0x0a,0x01,
+0x00,0x00,0x01,0x00,0x01,0x02,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00
+ };
+
+static const gint8 LA_CyclicInformationFake[] = {
+ 0x09,0x10,0x1a,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
+ };
+
+static gboolean lanalyzer_read(wtap *wth, int *err, long *data_offset);
+static gboolean lanalyzer_seek_read(wtap *wth, long seek_off,
+ union wtap_pseudo_header *pseudo_header, guchar *pd, int length, int *err);
+static void lanalyzer_close(wtap *wth);
+static gboolean lanalyzer_dump_close(wtap_dumper *wdh, int *err);
int lanalyzer_open(wtap *wth, int *err)
{
record_type = pletohs(LE_record_type);
record_length = pletohs(LE_record_length); /* make sure to do this for while() loop */
- if (record_type != REC_TRACE_HEADER && record_type != REC_CYCLIC_TRACE_HEADER) {
+ if (record_type != RT_HeaderRegular && record_type != RT_HeaderCyclic) {
return 0;
}
wth->file_type = WTAP_FILE_LANALYZER;
wth->capture.lanalyzer = g_malloc(sizeof(lanalyzer_t));
wth->subtype_read = lanalyzer_read;
- wth->subtype_seek_read = wtap_def_seek_read;
+ wth->subtype_seek_read = lanalyzer_seek_read;
wth->subtype_close = lanalyzer_close;
wth->snapshot_length = 0;
/* Read records until we find the start of packets */
while (1) {
- file_seek(wth->fh, record_length, SEEK_CUR);
+ if (file_seek(wth->fh, record_length, SEEK_CUR, err) == -1) {
+ g_free(wth->capture.lanalyzer);
+ return -1;
+ }
wth->data_offset += record_length;
errno = WTAP_ERR_CANT_READ;
bytes_read = file_read(LE_record_type, 1, 2, wth->fh);
/*g_message("Record 0x%04X Length %d", record_type, record_length);*/
switch (record_type) {
/* Trace Summary Record */
- case REC_TRACE_SUMMARY:
+ case RT_Summary:
errno = WTAP_ERR_CANT_READ;
bytes_read = file_read(summary, 1, sizeof summary,
wth->fh);
break;
/* Trace Packet Data Record */
- case REC_TRACE_PACKET_DATA:
+ case RT_PacketData:
/* Go back header number ob ytes so that lanalyzer_read
* can read this header */
- file_seek(wth->fh, -bytes_read, SEEK_CUR);
+ if (file_seek(wth->fh, -bytes_read, SEEK_CUR, err) == -1) {
+ g_free(wth->capture.lanalyzer);
+ return -1;
+ }
wth->data_offset -= bytes_read;
return 1;
default:
; /* no action */
}
- }
+ }
}
#define DESCRIPTOR_LEN 32
/* Read the next packet */
-static gboolean lanalyzer_read(wtap *wth, int *err, int *data_offset)
+static gboolean lanalyzer_read(wtap *wth, int *err, long *data_offset)
{
int packet_size = 0;
int bytes_read;
/* Only Trace Packet Data Records should occur now that we're in
* the middle of reading packets. If any other record type exists
* after a Trace Packet Data Record, mark it as an error. */
- if (record_type != REC_TRACE_PACKET_DATA) {
+ if (record_type != RT_PacketData) {
g_message("lanalyzer: record type %u seen after trace summary record",
record_type);
*err = WTAP_ERR_BAD_RECORD;
wth->data_offset += packet_size;
true_size = pletohs(&descriptor[4]);
+ packet_size = pletohs(&descriptor[6]);
time_low = pletohs(&descriptor[8]);
time_med = pletohs(&descriptor[10]);
time_high = pletohs(&descriptor[12]);
+ /*
+ * OK, is the frame data size greater than than what's left of the
+ * record?
+ */
+ if (packet_size > record_length - DESCRIPTOR_LEN) {
+ /*
+ * Yes - treat this as an error.
+ */
+ g_message("lanalyzer: Record length is less than packet size");
+ *err = WTAP_ERR_BAD_RECORD;
+ return FALSE;
+ }
+
t = (double)time_low+(double)(time_med)*65536.0 +
(double)time_high*4294967296.0;
t = t/1000000.0 * 0.5; /* t = # of secs */
wth->phdr.ts.tv_usec = (unsigned long)((t-(double)(wth->phdr.ts.tv_sec))
*1.0e6);
- wth->phdr.len = true_size - 4;
+ if (true_size - 4 >= packet_size) {
+ /*
+ * It appears that the "true size" includes the FCS;
+ * make it reflect the non-FCS size (the "packet size"
+ * appears never to include the FCS, even if no slicing
+ * is done).
+ */
+ true_size -= 4;
+ }
+ wth->phdr.len = true_size;
wth->phdr.caplen = packet_size;
wth->phdr.pkt_encap = wth->file_encap;
+ switch (wth->file_encap) {
+
+ case WTAP_ENCAP_ETHERNET:
+ /* We assume there's no FCS in this frame. */
+ wth->pseudo_header.eth.fcs_len = 0;
+ break;
+ }
+
+ return TRUE;
+}
+
+static gboolean lanalyzer_seek_read(wtap *wth, long seek_off,
+ union wtap_pseudo_header *pseudo_header, guchar *pd, int length, int *err)
+{
+ int bytes_read;
+
+ if (file_seek(wth->random_fh, seek_off, SEEK_SET, err) == -1)
+ return FALSE;
+
+ /*
+ * Read the packet data.
+ */
+ bytes_read = file_read(pd, sizeof(guint8), length, wth->random_fh);
+ if (bytes_read != length) {
+ *err = file_error(wth->random_fh);
+ if (*err == 0)
+ *err = WTAP_ERR_SHORT_READ;
+ return FALSE;
+ }
+
+ switch (wth->file_encap) {
+
+ case WTAP_ENCAP_ETHERNET:
+ /* We assume there's no FCS in this frame. */
+ pseudo_header->eth.fcs_len = 0;
+ break;
+ }
+
return TRUE;
}
{
g_free(wth->capture.lanalyzer);
}
+
+/*---------------------------------------------------
+ * Returns 0 or error
+ * Write one block with error control
+ *---------------------------------------------------*/
+static int swrite(const void* what, guint size, FILE *hd)
+{
+ size_t nwritten;
+
+ nwritten = fwrite(what, 1, size, hd);
+ if (nwritten != size) {
+ if (nwritten == 0 && ferror(hd))
+ return errno;
+ else
+ return WTAP_ERR_SHORT_WRITE;
+ }
+ return 0; /* ok */
+}
+
+/*---------------------------------------------------
+ * Returns 0 or error
+ * Write one block with error control
+ *---------------------------------------------------*/
+static int s0write(guint cnt, FILE *hd)
+{
+ static gint8 z64[64];
+ size_t nwritten;
+ size_t snack;
+
+ while (cnt) {
+ snack = cnt > 64 ? 64 : cnt;
+ nwritten = fwrite(z64, 1, snack, hd);
+ if (nwritten != snack) {
+ if (nwritten == 0 && ferror(hd))
+ return errno;
+ else
+ return WTAP_ERR_SHORT_WRITE;
+ }
+ cnt -= snack;
+ }
+ return 0; /* ok */
+}
+
+/*---------------------------------------------------
+ * Returns 0 or error
+ * Write one block with error control
+ *---------------------------------------------------*/
+static int s8write(const guint8 s8, FILE *hd)
+{
+ size_t nwritten;
+
+ nwritten = fwrite(&s8, 1, 1, hd);
+ if (nwritten != 1) {
+ if (nwritten == 0 && ferror(hd))
+ return errno;
+ else
+ return WTAP_ERR_SHORT_WRITE;
+ }
+ return 0; /* ok */
+}
+/*---------------------------------------------------
+ * Returns 0 or error
+ * Write one block with error control
+ *---------------------------------------------------*/
+static int s16write(const guint16 s16, FILE *hd)
+{
+ size_t nwritten;
+
+ nwritten = fwrite(&s16, 1, 2, hd);
+ if (nwritten != 2) {
+ if (nwritten == 0 && ferror(hd))
+ return errno;
+ else
+ return WTAP_ERR_SHORT_WRITE;
+ }
+ return 0; /* ok */
+}
+/*---------------------------------------------------
+ * Returns 0 or error
+ * Write one block with error control
+ *---------------------------------------------------*/
+static int s32write(const guint32 s32, FILE *hd)
+{
+ size_t nwritten;
+
+ nwritten = fwrite(&s32, 1, 4, hd);
+ if (nwritten != 4) {
+ if (nwritten == 0 && ferror(hd))
+ return errno;
+ else
+ return WTAP_ERR_SHORT_WRITE;
+ }
+ return 0; /* ok */
+}
+/*---------------------------------------------------
+ *
+ * calculates C.c = A.a - B.b
+ *---------------------------------------------------*/
+static void my_timersub(const struct timeval *a,
+ const struct timeval *b,
+ struct timeval *c)
+{
+ gint32 usec = a->tv_usec;
+
+ c->tv_sec = a->tv_sec - b->tv_sec;
+ if (b->tv_usec > usec) {
+ c->tv_sec--;
+ usec += 1000000;
+ }
+ c->tv_usec = usec - b->tv_usec;
+}
+/*---------------------------------------------------
+ * Write a record for a packet to a dump file.
+ * Returns TRUE on success, FALSE on failure.
+ *---------------------------------------------------*/
+static gboolean lanalyzer_dump(wtap_dumper *wdh,
+ const struct wtap_pkthdr *phdr,
+ const union wtap_pseudo_header *pseudo_header _U_,
+ const guchar *pd, int *err)
+{
+ double x;
+ int i;
+ int len;
+
+ LA_TmpInfo *itmp = (LA_TmpInfo*)(wdh->dump.opaque);
+ struct timeval td;
+ int thisSize = phdr->caplen + LA_PacketRecordSize + LA_RecordHeaderSize;
+
+ if (wdh->bytes_dumped + thisSize > LA_ProFileLimit) {
+ /* printf(" LA_ProFileLimit reached\n"); */
+ *err = EFBIG;
+ return FALSE; /* and don't forget the header */
+ }
+
+ len = phdr->caplen + (phdr->caplen ? LA_PacketRecordSize : 0);
+
+ *err = s16write(htoles(0x1005), wdh->fh);
+ if (*err)
+ return FALSE;
+ *err = s16write(htoles(len), wdh->fh);
+ if (*err)
+ return FALSE;
+
+
+ if (!itmp->init) {
+ /* collect some information for the
+ * finally written header
+ */
+ itmp->start = phdr->ts;
+ itmp->pkts = 0;
+ itmp->init = TRUE;
+ itmp->encap = wdh->encap;
+ itmp->lastlen = 0;
+ }
+
+ my_timersub(&(phdr->ts),&(itmp->start),&td);
+
+ x = (double) td.tv_usec;
+ x += (double) td.tv_sec * 1000000;
+ x *= 2;
+
+ *err = s16write(htoles(0x0001), wdh->fh); /* pr.rx_channels */
+ if (*err)
+ return FALSE;
+ *err = s16write(htoles(0x0008), wdh->fh); /* pr.rx_errors */
+ if (*err)
+ return FALSE;
+ *err = s16write(htoles(phdr->len + 4), wdh->fh); /* pr.rx_frm_len */
+ if (*err)
+ return FALSE;
+ *err = s16write(htoles(phdr->caplen), wdh->fh); /* pr.rx_frm_sln */
+ if (*err)
+ return FALSE;
+
+ for (i = 0; i < 3; i++) {
+ *err = s16write(htoles((guint16) x), wdh->fh);/* pr.rx_time[i] */
+ if (*err)
+ return FALSE;
+ x /= 0xffff;
+ }
+
+ *err = s32write(htolel(++itmp->pkts), wdh->fh); /* pr.pktno */
+ if (*err)
+ return FALSE;
+ *err = s16write(htoles(itmp->lastlen), wdh->fh); /* pr.prlen */
+ if (*err)
+ return FALSE;
+ itmp->lastlen = len;
+
+ *err = s0write(12, wdh->fh);
+ if (*err)
+ return FALSE;
+
+ *err = swrite(pd , phdr->caplen , wdh->fh);
+ if (*err)
+ return FALSE;
+
+ wdh->bytes_dumped += thisSize;
+
+ return TRUE;
+}
+
+/*---------------------------------------------------
+ * Returns 0 if we could write the specified encapsulation type,
+ * an error indication otherwise.
+ *---------------------------------------------------*/
+int lanalyzer_dump_can_write_encap(int encap)
+{
+ /* Per-packet encapsulations aren't supported. */
+ if (encap == WTAP_ENCAP_PER_PACKET)
+ return WTAP_ERR_ENCAP_PER_PACKET_UNSUPPORTED;
+
+ if ( encap != WTAP_ENCAP_ETHERNET
+ && encap != WTAP_ENCAP_TOKEN_RING )
+ return WTAP_ERR_UNSUPPORTED_ENCAP;
+ /*
+ * printf("lanalyzer_dump_can_write_encap(%d)\n",encap);
+ */
+ return 0;
+}
+
+/*---------------------------------------------------
+ * Returns TRUE on success, FALSE on failure; sets "*err" to an
+ * error code on failure
+ *---------------------------------------------------*/
+gboolean lanalyzer_dump_open(wtap_dumper *wdh, gboolean cant_seek, int *err)
+{
+ int jump;
+ void *tmp;
+
+ /* This is a LANalyzer file. We can't fill in some fields in the
+ header until all the packets have been written, so we can't
+ write to a pipe. */
+ if (cant_seek) {
+ *err = WTAP_ERR_CANT_WRITE_TO_PIPE;
+ return FALSE;
+ }
+
+ tmp = g_malloc(sizeof(LA_TmpInfo));
+ if (!tmp) {
+ *err = errno;
+ return FALSE;
+ }
+
+ ((LA_TmpInfo*)tmp)->init = FALSE;
+ wdh->dump.opaque = tmp;
+ wdh->subtype_write = lanalyzer_dump;
+ wdh->subtype_close = lanalyzer_dump_close;
+
+ /* Some of the fields in the file header aren't known yet so
+ just skip over it for now. It will be created after all
+ of the packets have been written. */
+
+ jump = sizeof (LA_HeaderRegularFake)
+ + sizeof (LA_RxChannelNameFake)
+ + sizeof (LA_TxChannelNameFake)
+ + sizeof (LA_RxTemplateNameFake)
+ + sizeof (LA_TxTemplateNameFake)
+ + sizeof (LA_DisplayOptionsFake)
+ + LA_SummaryRecordSize
+ + LA_SubfileSummaryRecordSize
+ + sizeof (LA_CyclicInformationFake)
+ + LA_IndexRecordSize;
+
+ if (fseek(wdh->fh, jump, SEEK_SET) == -1) {
+ *err = errno;
+ return FALSE;
+ }
+ wdh->bytes_dumped = jump;
+ return TRUE;
+}
+
+/*---------------------------------------------------
+ *
+ *---------------------------------------------------*/
+static gboolean lanalyzer_dump_header(wtap_dumper *wdh, int *err)
+{
+ LA_TmpInfo *itmp = (LA_TmpInfo*)(wdh->dump.opaque);
+ struct tm *fT = localtime(&(itmp->start.tv_sec));
+ guint16 board_type = itmp->encap == WTAP_ENCAP_TOKEN_RING
+ ? BOARD_325TR /* LANalyzer Board Type */
+ : BOARD_325; /* LANalyzer Board Type */
+
+ fseek(wdh->fh, 0, SEEK_SET);
+
+ *err = swrite(&LA_HeaderRegularFake, sizeof LA_HeaderRegularFake, wdh->fh);
+ if (*err)
+ return FALSE;
+ *err = swrite(&LA_RxChannelNameFake , sizeof LA_RxChannelNameFake , wdh->fh);
+ if (*err)
+ return FALSE;
+ *err = swrite(&LA_TxChannelNameFake , sizeof LA_TxChannelNameFake , wdh->fh);
+ if (*err)
+ return FALSE;
+ *err = swrite(&LA_RxTemplateNameFake, sizeof LA_RxTemplateNameFake, wdh->fh);
+ if (*err)
+ return FALSE;
+ *err = swrite(&LA_TxTemplateNameFake, sizeof LA_TxTemplateNameFake, wdh->fh);
+ if (*err)
+ return FALSE;
+ *err = swrite(&LA_DisplayOptionsFake, sizeof LA_DisplayOptionsFake, wdh->fh);
+ if (*err)
+ return FALSE;
+ /*-----------------------------------------------------------------*/
+ *err = s16write(htoles(RT_Summary), wdh->fh); /* rid */
+ if (*err)
+ return FALSE;
+ *err = s16write(htoles(SummarySize), wdh->fh); /* rlen */
+ if (*err)
+ return FALSE;
+ *err = s8write((guint8) fT->tm_mday, wdh->fh); /* s.datcre.day */
+ if (*err)
+ return FALSE;
+ *err = s8write((guint8) (fT->tm_mon+1), wdh->fh); /* s.datcre.mon */
+ if (*err)
+ return FALSE;
+ *err = s16write(htoles(fT->tm_year + 1900), wdh->fh);/* s.datcre.year */
+ if (*err)
+ return FALSE;
+ *err = s8write((guint8) fT->tm_mday, wdh->fh); /* s.datclo.day */
+ if (*err)
+ return FALSE;
+ *err = s8write((guint8) (fT->tm_mon+1), wdh->fh); /* s.datclo.mon */
+ if (*err)
+ return FALSE;
+ *err = s16write(htoles(fT->tm_year + 1900), wdh->fh);/* s.datclo.year */
+ if (*err)
+ return FALSE;
+ *err = s8write((guint8) fT->tm_sec, wdh->fh); /* s.timeopn.second */
+ if (*err)
+ return FALSE;
+ *err = s8write((guint8) fT->tm_min, wdh->fh); /* s.timeopn.minute */
+ if (*err)
+ return FALSE;
+ *err = s8write((guint8) fT->tm_hour, wdh->fh); /* s.timeopn.hour */
+ if (*err)
+ return FALSE;
+ *err = s8write((guint8) fT->tm_mday, wdh->fh); /* s.timeopn.mday */
+ if (*err)
+ return FALSE;
+ *err = s0write(2, wdh->fh);
+ if (*err)
+ return FALSE;
+ *err = s8write((guint8) fT->tm_sec, wdh->fh); /* s.timeclo.second */
+ if (*err)
+ return FALSE;
+ *err = s8write((guint8) fT->tm_min, wdh->fh); /* s.timeclo.minute */
+ if (*err)
+ return FALSE;
+ *err = s8write((guint8) fT->tm_hour, wdh->fh); /* s.timeclo.hour */
+ if (*err)
+ return FALSE;
+ *err = s8write((guint8) fT->tm_mday, wdh->fh); /* s.timeclo.mday */
+ if (*err)
+ return FALSE;
+ *err = s0write(2, wdh->fh);
+ if (*err)
+ return FALSE;
+ *err = s0write(6, wdh->fh); /* EAddr == 0 */
+ if (*err)
+ return FALSE;
+ *err = s16write(htoles(1), wdh->fh); /* s.mxseqno */
+ if (*err)
+ return FALSE;
+ *err = s16write(htoles(0), wdh->fh); /* s.slcoffo */
+ if (*err)
+ return FALSE;
+ *err = s16write(htoles(1514), wdh->fh); /* s.mxslc */
+ if (*err)
+ return FALSE;
+ *err = s32write(htolel(itmp->pkts), wdh->fh); /* s.totpktt */
+ if (*err)
+ return FALSE;
+ *err = s0write(12, wdh->fh); /* statrg == 0; ? -1*/
+ if (*err) /* stptrg == 0; ? -1*/
+ return FALSE; /* s.mxpkta[0]=0 */
+ *err = s32write(htolel(itmp->pkts), wdh->fh); /* sr.s.mxpkta[1] */
+ if (*err)
+ return FALSE;
+ *err = s0write(34*4, wdh->fh); /* s.mxpkta[2-33]=0 */
+ if (*err)
+ return FALSE;
+ *err = s16write(htoles(board_type), wdh->fh);
+ if (*err)
+ return FALSE;
+ *err = s0write(20, wdh->fh); /* board_version == 0 */
+ if (*err)
+ return FALSE;
+ /*-----------------------------------------------------------------*/
+ *err = s16write(htoles(RT_SubfileSummary), wdh->fh); /* ssr.rid */
+ if (*err)
+ return FALSE;
+ *err = s16write(htoles(LA_SubfileSummaryRecordSize-4), wdh->fh); /* ssr.rlen */
+ if (*err)
+ return FALSE;
+ *err = s16write(htoles(1), wdh->fh); /* ssr.seqno */
+ if (*err)
+ return FALSE;
+ *err = s32write(htolel(itmp->pkts), wdh->fh); /* ssr.totpkts */
+ if (*err)
+ return FALSE;
+ /*-----------------------------------------------------------------*/
+ *err = swrite(&LA_CyclicInformationFake, sizeof LA_CyclicInformationFake, wdh->fh);
+ if (*err)
+ return FALSE;
+ /*-----------------------------------------------------------------*/
+ *err = s16write(htoles(RT_Index), wdh->fh); /* rid */
+ if (*err)
+ return FALSE;
+ *err = s16write(htoles(LA_IndexRecordSize -4), wdh->fh);/* rlen */
+ if (*err)
+ return FALSE;
+ *err = s16write(htoles(LA_IndexSize), wdh->fh); /* idxsp */
+ if (*err)
+ return FALSE;
+ *err = s0write(LA_IndexRecordSize - 6, wdh->fh);
+ if (*err)
+ return FALSE;
+
+ return TRUE;
+}
+
+/*---------------------------------------------------
+ * Finish writing to a dump file.
+ * Returns TRUE on success, FALSE on failure.
+ *---------------------------------------------------*/
+static gboolean lanalyzer_dump_close(wtap_dumper *wdh, int *err)
+{
+ lanalyzer_dump_header(wdh,err);
+ return *err ? FALSE : TRUE;
+}
git.samba.org / obnox / wireshark / wip.git / blobdiff