* File read and write routines for Visual Networks cap files.
* Copyright (c) 2001, Tom Nisbet tnisbet@visualnetworks.com
*
- * $Id$
- *
* Wiretap Library
* Copyright (c) 1998 by Gilbert Ramirez <gram@alumni.rice.edu>
*
#include <string.h>
#include "wtap-int.h"
#include "file_wrappers.h"
-#include "buffer.h"
#include "visual.h"
/*
* The first packet index is (4 * num_pkts) octets from the end of the file
* and the last index is in the last four octets of the file.
*
- * All integer and time values are stored in little-endian format, except for
+ * All integer and time values are stored in little-endian format, except for
* the ATM Packet Header, which is stored in network byte order.
*
- * [ File Header ]
- *
+ * [ File Header ]
+ *
*
* [ Packet Header 1 ] [(opt) ATM Packet Header] [ Data ]
* ...
/* This structure is used to extract information */
struct visual_atm_hdr
{
- guint16 vpi; /* 4 bits of zeros; 12 bits of ATM VPI */
+ guint16 vpi; /* 4 bits of zeros; 12 bits of ATM VPI */
guint16 vci; /* ATM VCI */
guint8 info; /* 4 bits version; 3 bits unused-zero; 1 bit direction */
guint8 category; /* indicates type of traffic. 4 bits of status + 4 bits of type */
{
guint32 num_pkts; /* Number of pkts in the file */
guint32 current_pkt; /* Next packet to be read */
- double start_time; /* Capture start time in microseconds */
+ time_t start_time; /* Capture start time in seconds */
};
/* Additional information for writing Visual files */
struct visual_write_info
{
- guint start_time; /* Capture start time in seconds */
+ time_t start_time; /* Capture start time in seconds */
int index_table_index; /* Index of the next index entry */
int index_table_size; /* Allocated size of the index table */
guint32 * index_table; /* File offsets for the packets */
static gboolean visual_read(wtap *wth, int *err, gchar **err_info,
gint64 *data_offset);
static gboolean visual_seek_read(wtap *wth, gint64 seek_off,
- struct wtap_pkthdr *phdr, Buffer *buf, int packet_size,
- int *err, gchar **err_info);
-static gboolean visual_process_packet_header(wtap *wth, FILE_T fh,
- struct wtap_pkthdr *phdr, struct visual_pkt_hdr *vpkt_hdrp,
- int *err, gchar **err_info);
-static void visual_fill_in_chdlc_encapsulation(struct wtap_pkthdr *phdr,
- guint8 encap_hint, Buffer *buf);
+ struct wtap_pkthdr *phdr, Buffer *buf, int *err, gchar **err_info);
+static gboolean visual_read_packet(wtap *wth, FILE_T fh,
+ struct wtap_pkthdr *phdr, Buffer *buf, int *err, gchar **err_info);
static gboolean visual_dump(wtap_dumper *wdh, const struct wtap_pkthdr *phdr,
- const guint8 *pd, int *err);
-static gboolean visual_dump_close(wtap_dumper *wdh, int *err);
+ const guint8 *pd, int *err, gchar **err_info);
+static gboolean visual_dump_finish(wtap_dumper *wdh, int *err);
static void visual_dump_free(wtap_dumper *wdh);
/* Open a file for reading */
-int visual_open(wtap *wth, int *err, gchar **err_info)
+wtap_open_return_val visual_open(wtap *wth, int *err, gchar **err_info)
{
- int bytes_read;
char magic[sizeof visual_magic];
struct visual_file_hdr vfile_hdr;
struct visual_read_info * visual;
int encap;
/* Check the magic string at the start of the file */
- errno = WTAP_ERR_CANT_READ;
- bytes_read = file_read(magic, sizeof magic, wth->fh);
- if (bytes_read != sizeof magic)
+ if (!wtap_read_bytes(wth->fh, magic, sizeof magic, err, err_info))
{
- *err = file_error(wth->fh, err_info);
- if (*err != 0 && *err != WTAP_ERR_SHORT_READ)
- return -1;
- return 0;
+ if (*err != WTAP_ERR_SHORT_READ)
+ return WTAP_OPEN_ERROR;
+ return WTAP_OPEN_NOT_MINE;
}
if (memcmp(magic, visual_magic, sizeof visual_magic) != 0)
{
- return 0;
+ return WTAP_OPEN_NOT_MINE;
}
/* Read the rest of the file header. */
- errno = WTAP_ERR_CANT_READ;
- bytes_read = file_read(&vfile_hdr, sizeof vfile_hdr, wth->fh);
- if (bytes_read != sizeof vfile_hdr)
+ if (!wtap_read_bytes(wth->fh, &vfile_hdr, sizeof vfile_hdr, err, err_info))
{
- *err = file_error(wth->fh, err_info);
- if (*err == 0)
- *err = WTAP_ERR_SHORT_READ;
- return -1;
+ return WTAP_OPEN_ERROR;
}
/* Verify the file version is known */
- vfile_hdr.file_version = pletohs(&vfile_hdr.file_version);
+ vfile_hdr.file_version = pletoh16(&vfile_hdr.file_version);
if (vfile_hdr.file_version != 1)
{
*err = WTAP_ERR_UNSUPPORTED;
*err_info = g_strdup_printf("visual: file version %u unsupported", vfile_hdr.file_version);
- return -1;
+ return WTAP_OPEN_ERROR;
}
/* Translate the encapsulation type; these values are SNMP ifType
the first packet is read.
XXX - should we use WTAP_ENCAP_PER_PACKET for that? */
- switch (pletohs(&vfile_hdr.media_type))
+ switch (pletoh16(&vfile_hdr.media_type))
{
- case 6: /* ethernet-csmacd */
+ case 6: /* ethernet-csmacd */
encap = WTAP_ENCAP_ETHERNET;
break;
- case 9: /* IEEE802.5 */
+ case 9: /* IEEE802.5 */
encap = WTAP_ENCAP_TOKEN_RING;
break;
- case 16: /* lapb */
+ case 16: /* lapb */
encap = WTAP_ENCAP_LAPB;
break;
- case 22: /* propPointToPointSerial */
- case 118: /* HDLC */
+ case 22: /* propPointToPointSerial */
+ case 118: /* HDLC */
encap = WTAP_ENCAP_CHDLC_WITH_PHDR;
break;
- case 32: /* frame-relay */
+ case 32: /* frame-relay */
encap = WTAP_ENCAP_FRELAY_WITH_PHDR;
break;
- case 37: /* ATM */
+ case 37: /* ATM */
encap = WTAP_ENCAP_ATM_PDUS;
break;
default:
- *err = WTAP_ERR_UNSUPPORTED_ENCAP;
+ *err = WTAP_ERR_UNSUPPORTED;
*err_info = g_strdup_printf("visual: network type %u unknown or unsupported",
vfile_hdr.media_type);
- return -1;
+ return WTAP_OPEN_ERROR;
}
/* Fill in the wiretap struct with data from the file header */
- wth->file_type = WTAP_FILE_VISUAL_NETWORKS;
+ wth->file_type_subtype = WTAP_FILE_TYPE_SUBTYPE_VISUAL_NETWORKS;
wth->file_encap = encap;
- wth->snapshot_length = pletohs(&vfile_hdr.max_length);
+ wth->snapshot_length = pletoh16(&vfile_hdr.max_length);
/* Set up the pointers to the handlers for this file type */
wth->subtype_read = visual_read;
wth->subtype_seek_read = visual_seek_read;
- wth->tsprecision = WTAP_FILE_TSPREC_USEC;
+ wth->file_tsprec = WTAP_TSPREC_MSEC;
/* Add Visual-specific information to the wiretap struct for later use. */
visual = (struct visual_read_info *)g_malloc(sizeof(struct visual_read_info));
wth->priv = (void *)visual;
- visual->num_pkts = pletohl(&vfile_hdr.num_pkts);
- visual->start_time = ((double) pletohl(&vfile_hdr.start_time)) * 1000000;
+ visual->num_pkts = pletoh32(&vfile_hdr.num_pkts);
+ visual->start_time = pletoh32(&vfile_hdr.start_time);
visual->current_pkt = 1;
- return 1;
+ return WTAP_OPEN_MINE;
}
gint64 *data_offset)
{
struct visual_read_info *visual = (struct visual_read_info *)wth->priv;
- struct visual_pkt_hdr vpkt_hdr;
/* Check for the end of the packet data. Note that a check for file EOF
will not work because there are index values stored after the last
*data_offset = file_tell(wth->fh);
- if (!visual_process_packet_header(wth, wth->fh, &wth->phdr, &vpkt_hdr,
- err, err_info))
- return FALSE;
-
- if (!wtap_read_packet_bytes(wth->fh, wth->frame_buffer, wth->phdr.caplen,
- err, err_info))
- return FALSE;
-
- if (wth->file_encap == WTAP_ENCAP_CHDLC_WITH_PHDR)
- {
- visual_fill_in_chdlc_encapsulation(&wth->phdr, vpkt_hdr.encap_hint,
- wth->frame_buffer);
- }
- return TRUE;
+ return visual_read_packet(wth, wth->fh, &wth->phdr, wth->frame_buffer,
+ err, err_info);
}
/* Read packet header and data for random access. */
static gboolean visual_seek_read(wtap *wth, gint64 seek_off,
- struct wtap_pkthdr *phdr, Buffer *buf, int len,
- int *err, gchar **err_info)
+ struct wtap_pkthdr *phdr, Buffer *buf, int *err, gchar **err_info)
{
- struct visual_pkt_hdr vpkt_hdr;
-
/* Seek to the packet header */
if (file_seek(wth->random_fh, seek_off, SEEK_SET, err) == -1)
return FALSE;
- /* Read and process the packet header. */
- if (!visual_process_packet_header(wth, wth->random_fh, phdr, &vpkt_hdr,
- err, err_info))
- return FALSE;
-
- /* Read the packet data. */
- if (!wtap_read_packet_bytes(wth->random_fh, buf, len, err, err_info))
+ /* Read the packet. */
+ if (!visual_read_packet(wth, wth->random_fh, phdr, buf, err, err_info)) {
+ if (*err == 0)
+ *err = WTAP_ERR_SHORT_READ;
return FALSE;
-
- if (wth->file_encap == WTAP_ENCAP_CHDLC_WITH_PHDR)
- {
- visual_fill_in_chdlc_encapsulation(phdr, vpkt_hdr.encap_hint, buf);
}
-
return TRUE;
}
static gboolean
-visual_process_packet_header(wtap *wth, FILE_T fh, struct wtap_pkthdr *phdr,
- struct visual_pkt_hdr *vpkt_hdrp, int *err, gchar **err_info)
+visual_read_packet(wtap *wth, FILE_T fh, struct wtap_pkthdr *phdr,
+ Buffer *buf, int *err, gchar **err_info)
{
struct visual_read_info *visual = (struct visual_read_info *)wth->priv;
- int bytes_read;
+ struct visual_pkt_hdr vpkt_hdr;
guint32 packet_size;
struct visual_atm_hdr vatm_hdr;
- double t;
- time_t secs;
- guint32 usecs;
+ guint32 relmsecs;
guint32 packet_status;
+ guint8 *pd;
/* Read the packet header. */
- errno = WTAP_ERR_CANT_READ;
- bytes_read = file_read(vpkt_hdrp, (unsigned int)sizeof *vpkt_hdrp, fh);
- if (bytes_read < 0 || (size_t)bytes_read != sizeof *vpkt_hdrp)
+ if (!wtap_read_bytes_or_eof(fh, &vpkt_hdr, (unsigned int)sizeof vpkt_hdr, err, err_info))
{
- *err = file_error(fh, err_info);
- if (*err == 0 && bytes_read != 0)
- {
- *err = WTAP_ERR_SHORT_READ;
- }
return FALSE;
}
/* Get the included length of data. This includes extra headers + payload */
- packet_size = pletohs(&vpkt_hdrp->incl_len);
+ packet_size = pletoh16(&vpkt_hdr.incl_len);
+ phdr->rec_type = REC_TYPE_PACKET;
phdr->presence_flags = WTAP_HAS_TS|WTAP_HAS_CAP_LEN;
/* Set the packet time and length. */
- t = visual->start_time;
- t += ((double)pletohl(&vpkt_hdrp->ts_delta))*1000;
- secs = (time_t)(t/1000000);
- usecs = (guint32)(t - secs*1000000);
- phdr->ts.secs = secs;
- phdr->ts.nsecs = usecs * 1000;
-
- phdr->len = pletohs(&vpkt_hdrp->orig_len);
+ relmsecs = pletoh32(&vpkt_hdr.ts_delta);
+ phdr->ts.secs = visual->start_time + relmsecs/1000;
+ phdr->ts.nsecs = (relmsecs % 1000)*1000000;
- packet_status = pletohl(&vpkt_hdrp->status);
+ phdr->len = pletoh16(&vpkt_hdr.orig_len);
+
+ packet_status = pletoh32(&vpkt_hdr.status);
/* Do encapsulation-specific processing.
set the FCS length to 0? */
phdr->pseudo_header.eth.fcs_len = -1;
break;
-
+
case WTAP_ENCAP_CHDLC_WITH_PHDR:
/* This has a 2-byte FCS. */
if (phdr->len < 2)
ATM packets have an additional packet header; read and
process it. */
- errno = WTAP_ERR_CANT_READ;
- bytes_read = file_read(&vatm_hdr, (unsigned int)sizeof vatm_hdr, fh);
- if (bytes_read < 0 || (size_t)bytes_read != sizeof vatm_hdr)
+ if (!wtap_read_bytes(fh, &vatm_hdr, (unsigned int)sizeof vatm_hdr, err, err_info))
{
- *err = file_error(fh, err_info);
- if (*err == 0)
- {
- *err = WTAP_ERR_SHORT_READ;
- }
return FALSE;
}
-
- /* Remove ATM header from length of included bytes in capture, as
+
+ /* Remove ATM header from length of included bytes in capture, as
this header was appended by the processor doing the packet
reassembly, and was not transmitted across the wire */
packet_size -= (guint32)sizeof vatm_hdr;
/* Next two items not supported. Defaulting to zero */
phdr->pseudo_header.atm.aal5t_u2u = 0;
phdr->pseudo_header.atm.aal5t_chksum = 0;
-
+
/* Flags appear only to convey that packet is a raw cell. Set to 0 */
- phdr->pseudo_header.atm.flags = 0;
-
+ phdr->pseudo_header.atm.flags = 0;
+
/* Not supported. Defaulting to zero */
phdr->pseudo_header.atm.aal2_cid = 0;
case VN_AAL2:
phdr->pseudo_header.atm.aal = AAL_2;
break;
-
+
case VN_AAL34:
phdr->pseudo_header.atm.aal = AAL_3_4;
break;
-
+
case VN_AAL5:
phdr->pseudo_header.atm.aal = AAL_5;
phdr->pseudo_header.atm.type = TRAF_LLCMX;
- phdr->pseudo_header.atm.aal5t_len = pntohl(&vatm_hdr.data_length);
+ phdr->pseudo_header.atm.aal5t_len = pntoh32(&vatm_hdr.data_length);
break;
-
+
case VN_OAM:
/* Marking next 3 as OAM versus unknown */
case VN_O191:
phdr->pseudo_header.atm.aal = AAL_UNKNOWN;
break;
}
- phdr->pseudo_header.atm.vpi = pntohs(&vatm_hdr.vpi) & 0x0FFF;
- phdr->pseudo_header.atm.vci = pntohs(&vatm_hdr.vci);
- phdr->pseudo_header.atm.cells = pntohs(&vatm_hdr.cell_count);
-
+ phdr->pseudo_header.atm.vpi = pntoh16(&vatm_hdr.vpi) & 0x0FFF;
+ phdr->pseudo_header.atm.vci = pntoh16(&vatm_hdr.vci);
+ phdr->pseudo_header.atm.cells = pntoh16(&vatm_hdr.cell_count);
+
/* Using bit value of 1 (DCE -> DTE) to indicate From Network */
phdr->pseudo_header.atm.channel = vatm_hdr.info & FROM_NETWORK;
break;
return FALSE;
}
- /* Sanity check */
- if (phdr->len < phdr->caplen)
- {
- phdr->len = phdr->caplen;
- }
-
- return TRUE;
-}
-
-static void visual_fill_in_chdlc_encapsulation(struct wtap_pkthdr *phdr,
- guint8 encap_hint, Buffer *buf)
-{
- guint8 *pd;
-
- /* Fill in the encapsulation. Visual files have a media type in the
- file header and an encapsulation type in each packet header. Files
- with a media type of HDLC can be either Cisco EtherType or PPP.
-
- The encapsulation hint values we've seen are:
-
- 2 - seen in an Ethernet capture
- 13 - seen in a PPP capture; possibly also seen in Cisco HDLC
- captures
- 14 - seen in a PPP capture; probably seen only for PPP.
-
- According to bug 2005, the collection probe can be configured
- for PPP, in which case the encapsulation hint is 14, or can
- be configured for auto-detect, in which case the encapsulation
- hint is 13, and the encapsulation must be guessed from the
- packet contents. Auto-detect is the default. */
- pd = buffer_start_ptr(buf);
+ /* Read the packet data */
+ if (!wtap_read_packet_bytes(fh, buf, packet_size, err, err_info))
+ return FALSE;
- /* If PPP is specified in the encap hint, then use that */
- if (encap_hint == 14)
+ if (wth->file_encap == WTAP_ENCAP_CHDLC_WITH_PHDR)
{
- /* But first we need to examine the first three octets to
- try to determine the proper encapsulation, see RFC 2364. */
- if (phdr->caplen >= 3 &&
- (0xfe == pd[0]) && (0xfe == pd[1]) && (0x03 == pd[2]))
+ /* Fill in the encapsulation. Visual files have a media type in the
+ file header and an encapsulation type in each packet header. Files
+ with a media type of HDLC can be either Cisco EtherType or PPP.
+
+ The encapsulation hint values we've seen are:
+
+ 2 - seen in an Ethernet capture
+ 13 - seen in a PPP capture; possibly also seen in Cisco HDLC
+ captures
+ 14 - seen in a PPP capture; probably seen only for PPP.
+
+ According to bug 2005, the collection probe can be configured
+ for PPP, in which case the encapsulation hint is 14, or can
+ be configured for auto-detect, in which case the encapsulation
+ hint is 13, and the encapsulation must be guessed from the
+ packet contents. Auto-detect is the default. */
+ pd = ws_buffer_start_ptr(buf);
+
+ /* If PPP is specified in the encap hint, then use that */
+ if (vpkt_hdr.encap_hint == 14)
{
- /* It is actually LLC encapsulated PPP */
- phdr->pkt_encap = WTAP_ENCAP_ATM_RFC1483;
+ /* But first we need to examine the first three octets to
+ try to determine the proper encapsulation, see RFC 2364. */
+ if (packet_size >= 3 &&
+ (0xfe == pd[0]) && (0xfe == pd[1]) && (0x03 == pd[2]))
+ {
+ /* It is actually LLC encapsulated PPP */
+ phdr->pkt_encap = WTAP_ENCAP_ATM_RFC1483;
+ }
+ else
+ {
+ /* It is actually PPP */
+ phdr->pkt_encap = WTAP_ENCAP_PPP_WITH_PHDR;
+ }
}
else
{
- /* It is actually PPP */
- phdr->pkt_encap = WTAP_ENCAP_PPP_WITH_PHDR;
- }
- }
- else
- {
- /* Otherwise, we need to examine the first two octets to
- try to determine the encapsulation. */
- if (phdr->caplen >= 2 && (0xff == pd[0]) && (0x03 == pd[1]))
- {
- /* It is actually PPP */
- phdr->pkt_encap = WTAP_ENCAP_PPP_WITH_PHDR;
+ /* Otherwise, we need to examine the first two octets to
+ try to determine the encapsulation. */
+ if (packet_size >= 2 && (0xff == pd[0]) && (0x03 == pd[1]))
+ {
+ /* It is actually PPP */
+ phdr->pkt_encap = WTAP_ENCAP_PPP_WITH_PHDR;
+ }
}
}
+
+ return TRUE;
}
/* Check for media types that may be written in Visual file format.
return 0;
}
- return WTAP_ERR_UNSUPPORTED_ENCAP;
+ return WTAP_ERR_UNWRITABLE_ENCAP;
}
/* Set the write routines for a visual file. */
wdh->subtype_write = visual_dump;
- wdh->subtype_close = visual_dump_close;
+ wdh->subtype_finish = visual_dump_finish;
/* Create a struct to hold file information for the duration
of the write */
/* All 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. */
- if (wtap_dump_file_seek(wdh, CAPTUREFILE_HEADER_SIZE, SEEK_SET, err) == -1)
- return FALSE;
+ if (wtap_dump_file_seek(wdh, CAPTUREFILE_HEADER_SIZE, SEEK_SET, err) == -1)
+ return FALSE;
return TRUE;
}
/* Write a packet to a Visual dump file.
Returns TRUE on success, FALSE on failure. */
static gboolean visual_dump(wtap_dumper *wdh, const struct wtap_pkthdr *phdr,
- const guint8 *pd, int *err)
+ const guint8 *pd, int *err, gchar **err_info _U_)
{
const union wtap_pseudo_header *pseudo_header = &phdr->pseudo_header;
struct visual_write_info * visual = (struct visual_write_info *)wdh->priv;
guint delta_msec;
guint32 packet_status;
+ /* We can only write packet records. */
+ if (phdr->rec_type != REC_TYPE_PACKET) {
+ *err = WTAP_ERR_UNWRITABLE_REC_TYPE;
+ return FALSE;
+ }
+
+ /* Don't write anything we're not willing to read. */
+ if (phdr->caplen > WTAP_MAX_PACKET_SIZE) {
+ *err = WTAP_ERR_PACKET_TOO_LARGE;
+ return FALSE;
+ }
+
/* If the visual structure was never allocated then nothing useful
can be done. */
if (visual == 0)
if (visual->index_table_index == 0)
{
/* This is the first packet. Save its start time as the file time. */
- visual->start_time = (guint32) phdr->ts.secs;
+ visual->start_time = phdr->ts.secs;
/* Initialize the index table */
visual->index_table = (guint32 *)g_malloc(1024 * sizeof *visual->index_table);
/* Calculate milliseconds since capture start. */
delta_msec = phdr->ts.nsecs / 1000000;
- delta_msec += ( (guint32) phdr->ts.secs - visual->start_time) * 1000;
- vpkt_hdr.ts_delta = htolel(delta_msec);
+ delta_msec += (guint32)((phdr->ts.secs - visual->start_time) * 1000);
+ vpkt_hdr.ts_delta = GUINT32_TO_LE(delta_msec);
/* Fill in the length fields. */
- vpkt_hdr.orig_len = htoles(phdr->len);
- vpkt_hdr.incl_len = htoles(phdr->caplen);
+ vpkt_hdr.orig_len = GUINT16_TO_LE(phdr->len);
+ vpkt_hdr.incl_len = GUINT16_TO_LE(phdr->caplen);
/* Fill in the encapsulation hint for the file's media type. */
switch (wdh->encap)
((pseudo_header->x25.flags & FROM_DCE) ? 0x00 : PS_SENT);
break;
}
- vpkt_hdr.status = htolel(packet_status);
+ vpkt_hdr.status = GUINT32_TO_LE(packet_status);
/* Write the packet header. */
if (!wtap_dump_file_write(wdh, &vpkt_hdr, hdr_size, err))
visual->index_table = (guint32 *)g_realloc(visual->index_table,
visual->index_table_size * sizeof *visual->index_table);
}
- visual->index_table[visual->index_table_index] = htolel(visual->next_offset);
+ visual->index_table[visual->index_table_index] = GUINT32_TO_LE(visual->next_offset);
/* Update the table index and offset for the next frame. */
visual->index_table_index++;
/* Finish writing to a dump file.
Returns TRUE on success, FALSE on failure. */
-static gboolean visual_dump_close(wtap_dumper *wdh, int *err)
+static gboolean visual_dump_finish(wtap_dumper *wdh, int *err)
{
struct visual_write_info * visual = (struct visual_write_info *)wdh->priv;
size_t n_to_write;
/* Write the magic number at the start of the file. */
if (wtap_dump_file_seek(wdh, 0, SEEK_SET, err) == -1)
- return FALSE;
+ return FALSE;
magicp = visual_magic;
magic_size = sizeof visual_magic;
if (!wtap_dump_file_write(wdh, magicp, magic_size, err))
/* Initialize the file header with zeroes for the reserved fields. */
memset(&vfile_hdr, '\0', sizeof vfile_hdr);
- vfile_hdr.num_pkts = htolel(visual->index_table_index);
- vfile_hdr.start_time = htolel(visual->start_time);
- vfile_hdr.max_length = htoles(65535);
- vfile_hdr.file_flags = htoles(1); /* indexes are present */
- vfile_hdr.file_version = htoles(1);
+ vfile_hdr.num_pkts = GUINT32_TO_LE(visual->index_table_index);
+ vfile_hdr.start_time = GUINT32_TO_LE(visual->start_time);
+ vfile_hdr.max_length = GUINT16_TO_LE(65535);
+ vfile_hdr.file_flags = GUINT16_TO_LE(1); /* indexes are present */
+ vfile_hdr.file_version = GUINT16_TO_LE(1);
g_strlcpy(vfile_hdr.description, "Wireshark file", 64);
/* Translate the encapsulation type */
switch (wdh->encap)
{
case WTAP_ENCAP_ETHERNET:
- vfile_hdr.media_type = htoles(6);
+ vfile_hdr.media_type = GUINT16_TO_LE(6);
break;
case WTAP_ENCAP_TOKEN_RING:
- vfile_hdr.media_type = htoles(9);
+ vfile_hdr.media_type = GUINT16_TO_LE(9);
break;
case WTAP_ENCAP_LAPB:
- vfile_hdr.media_type = htoles(16);
+ vfile_hdr.media_type = GUINT16_TO_LE(16);
break;
case WTAP_ENCAP_PPP: /* PPP is differentiated from CHDLC in PktHdr */
case WTAP_ENCAP_PPP_WITH_PHDR:
case WTAP_ENCAP_CHDLC_WITH_PHDR:
- vfile_hdr.media_type = htoles(22);
+ vfile_hdr.media_type = GUINT16_TO_LE(22);
break;
case WTAP_ENCAP_FRELAY_WITH_PHDR:
- vfile_hdr.media_type = htoles(32);
+ vfile_hdr.media_type = GUINT16_TO_LE(32);
break;
}
g_free(visual->index_table);
}
}
+
+/*
+ * Editor modelines - http://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */