/* eyesdn.c
- *
- * $Id: eyesdn.c,v 1.8 2004/04/02 07:40:37 guy Exp $
*
* Wiretap Library
* Copyright (c) 1998 by Gilbert Ramirez <gram@alumni.rice.edu>
*
* 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.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
#include "wtap-int.h"
-#include "buffer.h"
#include "eyesdn.h"
#include "file_wrappers.h"
-#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
/* This module reads the output of the EyeSDN USB S0/E1 ISDN probes
* They store HDLC frames of D and B channels in a binary format
* The fileformat is
- *
+ *
* 1-6 Byte: EyeSDN - Magic
* 7-n Byte: Frames
- *
+ *
* Each Frame starts with the 0xff Flag byte
- * - Bytes 0-2: timestamp (long usec in network byte order)
+ * - Bytes 0-2: timestamp (usec in network byte order)
* - Bytes 3-7: timestamp (40bits sec since 1970 in network byte order)
* - Byte 8: channel (0 for D channel, 1-30 for B1-B30)
- * - Byte 9: Sender (0 NT, 1 TE)
+ * - Byte 9: Sender Bit 0(0 NT, 1 TE), Protocol in Bits 7:1, see enum
* - Byte 10-11: frame size in bytes
* - Byte 12-n: Frame Payload
- *
+ *
* All multibyte values are represented in network byte order
* The frame is terminated with a flag character (0xff)
* bytes 0xff within a frame are escaped using the 0xfe escape character
*/
-static int esc_read(guint8 *buf, int len, FILE_T fh)
+static gboolean esc_read(FILE_T fh, guint8 *buf, int len, int *err, gchar **err_info)
{
- int i;
- int value;
-
- for(i=0; i<len; i++) {
- value=file_getc(fh);
- if(value==-1)
- return -2; /* EOF or error */
- if(value==0xff)
- return -1; /* error !!, read into next frame */
- if(value==0xfe) {
- /* we need to escape */
- value=file_getc(fh);
- if(value==-1)
- return -2;
- value+=2;
+ int i;
+ int value;
+
+ for(i=0; i<len; i++) {
+ value=file_getc(fh);
+ if(value==-1) {
+ /* EOF or error */
+ *err=file_error(fh, err_info);
+ if(*err==0)
+ *err=WTAP_ERR_SHORT_READ;
+ return FALSE;
+ }
+ if(value==0xff) {
+ /* error !!, read into next frame */
+ *err=WTAP_ERR_BAD_FILE;
+ *err_info=g_strdup("eyesdn: No flag character seen in frame");
+ return FALSE;
+ }
+ if(value==0xfe) {
+ /* we need to escape */
+ value=file_getc(fh);
+ if(value==-1) {
+ /* EOF or error */
+ *err=file_error(fh, err_info);
+ if(*err==0)
+ *err=WTAP_ERR_SHORT_READ;
+ return FALSE;
+ }
+ value+=2;
+ }
+ buf[i]=value;
}
- buf[i]=value;
- }
- return i;
+
+ return TRUE;
}
/* Magic text to check for eyesdn-ness of file */
static const unsigned char eyesdn_hdr_magic[] =
{ 'E', 'y', 'e', 'S', 'D', 'N'};
-#define EYESDN_HDR_MAGIC_SIZE (sizeof(eyesdn_hdr_magic) / sizeof(eyesdn_hdr_magic[0]))
+#define EYESDN_HDR_MAGIC_SIZE sizeof(eyesdn_hdr_magic)
/* Size of a record header */
#define EYESDN_HDR_LENGTH 12
#define EYESDN_MAX_PACKET_LEN 16384
static gboolean eyesdn_read(wtap *wth, int *err, gchar **err_info,
- long *data_offset);
-static gboolean eyesdn_seek_read(wtap *wth, long seek_off,
- union wtap_pseudo_header *pseudo_header, guint8 *pd, int len,
+ gint64 *data_offset);
+static gboolean eyesdn_seek_read(wtap *wth, gint64 seek_off,
+ struct wtap_pkthdr *phdr, Buffer *buf, int *err, gchar **err_info);
+static int read_eyesdn_rec(FILE_T fh, struct wtap_pkthdr *phdr, Buffer* buf,
int *err, gchar **err_info);
-static gboolean parse_eyesdn_packet_data(FILE_T fh, int pkt_len, guint8* buf,
- int *err, gchar **err_info);
-static int parse_eyesdn_rec_hdr(wtap *wth, FILE_T fh,
- union wtap_pseudo_header *pseudo_header, int *err, gchar **err_info);
/* Seeks to the beginning of the next packet, and returns the
- byte offset. Returns -1 on failure, and sets "*err" to the error. */
-static long eyesdn_seek_next_packet(wtap *wth, int *err)
+ byte offset. Returns -1 on failure, and sets "*err" to the error
+ and "*err_info" to null or an additional error string. */
+static gint64 eyesdn_seek_next_packet(wtap *wth, int *err, gchar **err_info)
{
- int byte;
- long cur_off;
-
- while ((byte = file_getc(wth->fh)) != EOF) {
- if (byte == 0xff) {
- cur_off = file_tell(wth->fh);
- if (cur_off == -1) {
- /* Error. */
- *err = file_error(wth->fh);
- return -1;
- }
- return cur_off;
- }
- }
- if (file_eof(wth->fh)) {
- /* We got an EOF. */
- *err = 0;
- } else {
- /* We (presumably) got an error (there's no equivalent to "ferror()"
- in zlib, alas, so we don't have a wrapper to check for an error). */
- *err = file_error(wth->fh);
- }
- return -1;
+ int byte;
+ gint64 cur_off;
+
+ while ((byte = file_getc(wth->fh)) != EOF) {
+ if (byte == 0xff) {
+ cur_off = file_tell(wth->fh);
+ if (cur_off == -1) {
+ /* Error. */
+ *err = file_error(wth->fh, err_info);
+ return -1;
+ }
+ return cur_off;
+ }
+ }
+ /* EOF or error. */
+ *err = file_error(wth->fh, err_info);
+ return -1;
}
-int eyesdn_open(wtap *wth, int *err, gchar **err_info _U_)
+wtap_open_return_val eyesdn_open(wtap *wth, int *err, gchar **err_info)
{
- int bytes_read;
char magic[EYESDN_HDR_MAGIC_SIZE];
/* Look for eyesdn header */
- errno = WTAP_ERR_CANT_READ;
- bytes_read = file_read(&magic, 1, sizeof magic, wth->fh);
- if (bytes_read != sizeof magic) {
- *err = file_error(wth->fh);
- if (*err != 0)
- return -1;
- return 0;
+ if (!wtap_read_bytes(wth->fh, &magic, sizeof magic, err, err_info)) {
+ if (*err != WTAP_ERR_SHORT_READ)
+ return WTAP_OPEN_ERROR;
+ return WTAP_OPEN_NOT_MINE;
}
if (memcmp(magic, eyesdn_hdr_magic, EYESDN_HDR_MAGIC_SIZE) != 0)
- return 0;
+ return WTAP_OPEN_NOT_MINE;
- wth->data_offset = 0;
- wth->file_encap = WTAP_ENCAP_ISDN;
- wth->file_type = WTAP_FILE_EYESDN;
+ wth->file_encap = WTAP_ENCAP_PER_PACKET;
+ wth->file_type_subtype = WTAP_FILE_TYPE_SUBTYPE_EYESDN;
wth->snapshot_length = 0; /* not known */
wth->subtype_read = eyesdn_read;
wth->subtype_seek_read = eyesdn_seek_read;
+ wth->file_tsprec = WTAP_TSPREC_USEC;
- return 1;
+ return WTAP_OPEN_MINE;
}
-/* Find the next packet and parse it; called from wtap_loop() and wtap_read(). */
+/* Find the next packet and parse it; called from wtap_read(). */
static gboolean eyesdn_read(wtap *wth, int *err, gchar **err_info,
- long *data_offset)
+ gint64 *data_offset)
{
- long offset;
- guint8 *buf;
- int pkt_len;
+ gint64 offset;
- /* Find the next packet */
- offset = eyesdn_seek_next_packet(wth, err);
+ /* Find the next record */
+ offset = eyesdn_seek_next_packet(wth, err, err_info);
if (offset < 1)
return FALSE;
-
- /* Parse the header */
- pkt_len = parse_eyesdn_rec_hdr(wth, wth->fh, &wth->pseudo_header, err,
- err_info);
- if (pkt_len == -1)
- return FALSE;
-
- /* Make sure we have enough room for the packet */
- buffer_assure_space(wth->frame_buffer, EYESDN_MAX_PACKET_LEN);
- buf = buffer_start_ptr(wth->frame_buffer);
-
- /* Read the packet data */
- if (!parse_eyesdn_packet_data(wth->fh, pkt_len, buf, err, err_info))
- return FALSE;
-
- wth->data_offset = offset;
*data_offset = offset;
- return TRUE;
+
+ /* Parse the record */
+ return read_eyesdn_rec(wth->fh, &wth->phdr, wth->frame_buffer,
+ err, err_info);
}
/* Used to read packets in random-access fashion */
static gboolean
-eyesdn_seek_read (wtap *wth, long seek_off,
- union wtap_pseudo_header *pseudo_header, guint8 *pd, int len,
- int *err, gchar **err_info)
+eyesdn_seek_read(wtap *wth, gint64 seek_off, struct wtap_pkthdr *phdr,
+ Buffer *buf, int *err, gchar **err_info)
{
- int pkt_len;
-
if (file_seek(wth->random_fh, seek_off, SEEK_SET, err) == -1)
return FALSE;
- pkt_len = parse_eyesdn_rec_hdr(NULL, wth->random_fh, pseudo_header,
- err, err_info);
-
- if (pkt_len != len) {
- if (pkt_len != -1) {
- *err = WTAP_ERR_BAD_RECORD;
- *err_info = g_strdup_printf("eyesdn: requested length %d doesn't match length %d",
- len, pkt_len);
- }
- return FALSE;
- }
-
- return parse_eyesdn_packet_data(wth->random_fh, pkt_len, pd, err,
- err_info);
+ return read_eyesdn_rec(wth->random_fh, phdr, buf, err, err_info);
}
-/* Parses a packet record header. */
-static int
-parse_eyesdn_rec_hdr(wtap *wth, FILE_T fh,
- union wtap_pseudo_header *pseudo_header, int *err, gchar **err_info)
+/* Parses a record. */
+static gboolean
+read_eyesdn_rec(FILE_T fh, struct wtap_pkthdr *phdr, Buffer *buf, int *err,
+ gchar **err_info)
{
+ union wtap_pseudo_header *pseudo_header = &phdr->pseudo_header;
guint8 hdr[EYESDN_HDR_LENGTH];
- unsigned long secs, usecs;
+ time_t secs;
+ int usecs;
int pkt_len;
- unsigned int channel, direction;
+ guint8 channel, direction;
+ guint8 *pd;
/* Our file pointer should be at the summary information header
* for a packet. Read in that header and extract the useful
* information.
*/
- if (esc_read(hdr, EYESDN_HDR_LENGTH, fh) != EYESDN_HDR_LENGTH) {
- *err = file_error(fh);
- if (*err == 0)
- *err = WTAP_ERR_SHORT_READ;
- return -1;
- }
-
- /* extract information from header */
- usecs = ((unsigned long) hdr[0]);
- usecs = (usecs << 8) | ((unsigned long) hdr[1]);
- usecs = (usecs << 8) | ((unsigned long) hdr[2]);
-#ifdef TV64BITS
- secs = ((unsigned long) hdr[3]);
-#else
- secs = 0;
-#endif
- secs = (secs << 8) | ((unsigned long) hdr[4]);
- secs = (secs << 8) | ((unsigned long) hdr[5]);
- secs = (secs << 8) | ((unsigned long) hdr[6]);
- secs = (secs << 8) | ((unsigned long) hdr[7]);
-
- channel = hdr[8];
- direction = hdr[9];
- pkt_len = ((unsigned long) hdr[10]);
- pkt_len = (pkt_len << 8) | ((unsigned long) hdr[11]);
-
- /* sanity checks */
- if(channel>30) {
- *err = WTAP_ERR_BAD_RECORD;
- *err_info = g_strdup_printf("eyesdn: bad channel number %u",
- channel);
- return -1;
- }
+ if (!esc_read(fh, hdr, EYESDN_HDR_LENGTH, err, err_info))
+ return FALSE;
- if(direction>1) {
- *err = WTAP_ERR_BAD_RECORD;
- *err_info = g_strdup_printf("eyesdn: bad direction value %u",
- direction);
- return -1;
- }
- if(pkt_len > EYESDN_MAX_PACKET_LEN) {
- *err = WTAP_ERR_BAD_RECORD;
- *err_info = g_strdup_printf("eyesdn: File has %u-byte packet, bigger than maximum of %u",
- pkt_len, EYESDN_MAX_PACKET_LEN);
- return -1;
+ /* extract information from header */
+ usecs = pntoh24(&hdr[0]);
+#ifdef TV64BITS
+ secs = hdr[3];
+#else
+ secs = 0;
+#endif
+ secs = (secs << 8) | hdr[4];
+ secs = (secs << 8) | hdr[5];
+ secs = (secs << 8) | hdr[6];
+ secs = (secs << 8) | hdr[7];
+
+ channel = hdr[8];
+ direction = hdr[9];
+ pkt_len = pntoh16(&hdr[10]);
+
+ switch(direction >> 1) {
+
+ default:
+ case EYESDN_ENCAP_ISDN: /* ISDN */
+ pseudo_header->isdn.uton = direction & 1;
+ pseudo_header->isdn.channel = channel;
+ if(channel) { /* bearer channels */
+ phdr->pkt_encap = WTAP_ENCAP_ISDN; /* recognises PPP */
+ pseudo_header->isdn.uton=!pseudo_header->isdn.uton; /* bug */
+ } else { /* D channel */
+ phdr->pkt_encap = WTAP_ENCAP_ISDN;
+ }
+ break;
+
+ case EYESDN_ENCAP_MSG: /* Layer 1 message */
+ phdr->pkt_encap = WTAP_ENCAP_LAYER1_EVENT;
+ pseudo_header->l1event.uton = (direction & 1);
+ break;
+
+ case EYESDN_ENCAP_LAPB: /* X.25 via LAPB */
+ phdr->pkt_encap = WTAP_ENCAP_LAPB;
+ pseudo_header->x25.flags = (direction & 1) ? 0 : 0x80;
+ break;
+
+ case EYESDN_ENCAP_ATM: { /* ATM cells */
+#define CELL_LEN 53
+ unsigned char cell[CELL_LEN];
+ gint64 cur_off;
+
+ if(pkt_len != CELL_LEN) {
+ *err = WTAP_ERR_BAD_FILE;
+ *err_info = g_strdup_printf(
+ "eyesdn: ATM cell has a length != 53 (%u)",
+ pkt_len);
+ return FALSE;
+ }
+
+ cur_off = file_tell(fh);
+ if (!esc_read(fh, cell, CELL_LEN, err, err_info))
+ return FALSE;
+ if (file_seek(fh, cur_off, SEEK_SET, err) == -1)
+ return FALSE;
+ phdr->pkt_encap = WTAP_ENCAP_ATM_PDUS_UNTRUNCATED;
+ pseudo_header->atm.flags=ATM_RAW_CELL;
+ pseudo_header->atm.aal=AAL_UNKNOWN;
+ pseudo_header->atm.type=TRAF_UMTS_FP;
+ pseudo_header->atm.subtype=TRAF_ST_UNKNOWN;
+ pseudo_header->atm.vpi=((cell[0]&0xf)<<4) + (cell[0]&0xf);
+ pseudo_header->atm.vci=((cell[0]&0xf)<<4) + cell[0]; /* from cell */
+ pseudo_header->atm.channel=direction & 1;
+ }
+ break;
+
+ case EYESDN_ENCAP_MTP2: /* SS7 frames */
+ pseudo_header->mtp2.sent = direction & 1;
+ pseudo_header->mtp2.annex_a_used = MTP2_ANNEX_A_USED_UNKNOWN;
+ pseudo_header->mtp2.link_number = channel;
+ phdr->pkt_encap = WTAP_ENCAP_MTP2_WITH_PHDR;
+ break;
+
+ case EYESDN_ENCAP_DPNSS: /* DPNSS */
+ pseudo_header->isdn.uton = direction & 1;
+ pseudo_header->isdn.channel = channel;
+ phdr->pkt_encap = WTAP_ENCAP_DPNSS;
+ break;
+
+ case EYESDN_ENCAP_DASS2: /* DASS2 frames */
+ pseudo_header->isdn.uton = direction & 1;
+ pseudo_header->isdn.channel = channel;
+ phdr->pkt_encap = WTAP_ENCAP_DPNSS;
+ break;
+
+ case EYESDN_ENCAP_BACNET: /* BACNET async over HDLC frames */
+ pseudo_header->isdn.uton = direction & 1;
+ pseudo_header->isdn.channel = channel;
+ phdr->pkt_encap = WTAP_ENCAP_BACNET_MS_TP_WITH_PHDR;
+ break;
+
+ case EYESDN_ENCAP_V5_EF: /* V5EF */
+ pseudo_header->isdn.uton = direction & 1;
+ pseudo_header->isdn.channel = channel;
+ phdr->pkt_encap = WTAP_ENCAP_V5_EF;
+ break;
}
- if (wth) {
- wth->phdr.ts.tv_sec = secs;
- wth->phdr.ts.tv_usec = usecs;
- wth->phdr.caplen = pkt_len;
- wth->phdr.len = pkt_len;
+ if(pkt_len > EYESDN_MAX_PACKET_LEN) {
+ *err = WTAP_ERR_BAD_FILE;
+ *err_info = g_strdup_printf("eyesdn: File has %u-byte packet, bigger than maximum of %u",
+ pkt_len, EYESDN_MAX_PACKET_LEN);
+ return FALSE;
}
- pseudo_header->isdn.uton = direction;
- pseudo_header->isdn.channel = channel;
- return pkt_len;
+ phdr->rec_type = REC_TYPE_PACKET;
+ phdr->presence_flags = WTAP_HAS_TS;
+ phdr->ts.secs = secs;
+ phdr->ts.nsecs = usecs * 1000;
+ phdr->caplen = pkt_len;
+ phdr->len = pkt_len;
+
+ /* Make sure we have enough room for the packet */
+ ws_buffer_assure_space(buf, EYESDN_MAX_PACKET_LEN);
+
+ pd = ws_buffer_start_ptr(buf);
+ if (!esc_read(fh, pd, pkt_len, err, err_info))
+ return FALSE;
+ return TRUE;
}
-/* read a packet */
+
static gboolean
-parse_eyesdn_packet_data(FILE_T fh, int pkt_len, guint8* buf, int *err,
- gchar **err_info)
+esc_write(wtap_dumper *wdh, const guint8 *buf, int len, int *err)
{
- int bytes_read;
-
- errno = WTAP_ERR_CANT_READ;
- bytes_read = esc_read(buf, pkt_len, fh);
- if (bytes_read != pkt_len) {
- if (bytes_read == -2) {
- *err = file_error(fh);
- if (*err == 0)
- *err = WTAP_ERR_SHORT_READ;
- } else if (bytes_read == -1) {
- *err = WTAP_ERR_BAD_RECORD;
- *err_info = g_strdup("eyesdn: No flag character seen in frame");
- } else
- *err = WTAP_ERR_SHORT_READ;
- return FALSE;
+ int i;
+ guint8 byte;
+ static const guint8 esc = 0xfe;
+
+ for(i=0; i<len; i++) {
+ byte=buf[i];
+ if(byte == 0xff || byte == 0xfe) {
+ /*
+ * Escape the frame delimiter and escape byte.
+ */
+ if (!wtap_dump_file_write(wdh, &esc, sizeof esc, err))
+ return FALSE;
+ byte-=2;
+ }
+ if (!wtap_dump_file_write(wdh, &byte, sizeof byte, err))
+ return FALSE;
+ }
+ return TRUE;
+}
+
+static gboolean eyesdn_dump(wtap_dumper *wdh,
+ const struct wtap_pkthdr *phdr,
+ const guint8 *pd, int *err, gchar **err_info);
+
+gboolean eyesdn_dump_open(wtap_dumper *wdh, int *err)
+{
+ wdh->subtype_write=eyesdn_dump;
+
+ if (!wtap_dump_file_write(wdh, eyesdn_hdr_magic,
+ EYESDN_HDR_MAGIC_SIZE, err))
+ return FALSE;
+ wdh->bytes_dumped += EYESDN_HDR_MAGIC_SIZE;
+ *err=0;
+ return TRUE;
+}
+
+int eyesdn_dump_can_write_encap(int encap)
+{
+ switch (encap) {
+ case WTAP_ENCAP_ISDN:
+ case WTAP_ENCAP_LAYER1_EVENT:
+ case WTAP_ENCAP_DPNSS:
+ case WTAP_ENCAP_ATM_PDUS_UNTRUNCATED:
+ case WTAP_ENCAP_LAPB:
+ case WTAP_ENCAP_MTP2_WITH_PHDR:
+ case WTAP_ENCAP_BACNET_MS_TP_WITH_PHDR:
+ case WTAP_ENCAP_PER_PACKET:
+ return 0;
+
+ default:
+ return WTAP_ERR_UNWRITABLE_ENCAP;
+ }
+}
+
+/* Write a record for a packet to a dump file.
+ * Returns TRUE on success, FALSE on failure. */
+static gboolean eyesdn_dump(wtap_dumper *wdh,
+ const struct wtap_pkthdr *phdr,
+ const guint8 *pd, int *err, gchar **err_info _U_)
+{
+ static const guint8 start_flag = 0xff;
+ const union wtap_pseudo_header *pseudo_header = &phdr->pseudo_header;
+ guint8 buf[EYESDN_HDR_LENGTH];
+ int usecs;
+ time_t secs;
+ int channel;
+ int origin;
+ int protocol;
+ int size;
+
+ /* We can only write packet records. */
+ if (phdr->rec_type != REC_TYPE_PACKET) {
+ *err = WTAP_ERR_UNWRITABLE_REC_TYPE;
+ return FALSE;
+ }
+
+ /* Don't write out anything bigger than we can read.
+ * (The length field in packet headers is 16 bits, which
+ * imposes a hard limit.) */
+ if (phdr->caplen > 65535) {
+ *err = WTAP_ERR_PACKET_TOO_LARGE;
+ return FALSE;
+ }
+
+ usecs=phdr->ts.nsecs/1000;
+ secs=phdr->ts.secs;
+ size=phdr->caplen;
+ origin = pseudo_header->isdn.uton;
+ channel = pseudo_header->isdn.channel;
+
+ switch(phdr->pkt_encap) {
+
+ case WTAP_ENCAP_ISDN:
+ protocol=EYESDN_ENCAP_ISDN; /* set depending on decoder format and mode */
+ break;
+
+ case WTAP_ENCAP_LAYER1_EVENT:
+ protocol=EYESDN_ENCAP_MSG;
+ break;
+
+ case WTAP_ENCAP_DPNSS:
+ protocol=EYESDN_ENCAP_DPNSS;
+ break;
+
+#if 0
+ case WTAP_ENCAP_DASS2:
+ protocol=EYESDN_ENCAP_DASS2;
+ break;
+#endif
+
+ case WTAP_ENCAP_ATM_PDUS_UNTRUNCATED:
+ protocol=EYESDN_ENCAP_ATM;
+ channel=0x80;
+ break;
+
+ case WTAP_ENCAP_LAPB:
+ protocol=EYESDN_ENCAP_LAPB;
+ break;
+
+ case WTAP_ENCAP_MTP2_WITH_PHDR:
+ protocol=EYESDN_ENCAP_MTP2;
+ break;
+
+ case WTAP_ENCAP_BACNET_MS_TP_WITH_PHDR:
+ protocol=EYESDN_ENCAP_BACNET;
+ break;
+
+ case WTAP_ENCAP_V5_EF:
+ protocol=EYESDN_ENCAP_V5_EF;
+ break;
+
+ default:
+ *err=WTAP_ERR_UNWRITABLE_ENCAP;
+ return FALSE;
}
+
+ phton24(&buf[0], usecs);
+
+ buf[3] = (guint8)0;
+ buf[4] = (guint8)(0xff & (secs >> 24));
+ buf[5] = (guint8)(0xff & (secs >> 16));
+ buf[6] = (guint8)(0xff & (secs >> 8));
+ buf[7] = (guint8)(0xff & (secs >> 0));
+
+ buf[8] = (guint8) channel;
+ buf[9] = (guint8) (origin?1:0) + (protocol << 1);
+ phtons(&buf[10], size);
+
+ /* start flag */
+ if (!wtap_dump_file_write(wdh, &start_flag, sizeof start_flag, err))
+ return FALSE;
+ if (!esc_write(wdh, buf, 12, err))
+ return FALSE;
+ if (!esc_write(wdh, pd, size, err))
+ return FALSE;
return TRUE;
}
+
+/*
+ * Editor modelines - http://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 8
+ * tab-width: 8
+ * indent-tabs-mode: t
+ * End:
+ *
+ * vi: set shiftwidth=8 tabstop=8 noexpandtab:
+ * :indentSize=8:tabSize=8:noTabs=false:
+ */