2003-10-30 03:11:03 +00:00
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/* hcidump.c
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*
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2004-07-18 00:24:25 +00:00
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* $Id$
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2003-10-30 03:11:03 +00:00
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*
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* Copyright (c) 2003 by Marcel Holtmann <marcel@holtmann.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "wtap-int.h"
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#include "file_wrappers.h"
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#include "buffer.h"
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#include "hcidump.h"
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struct dump_hdr {
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guint16 len;
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guint8 in;
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guint8 pad;
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guint32 ts_sec;
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guint32 ts_usec;
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};
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#define DUMP_HDR_SIZE (sizeof(struct dump_hdr))
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Have the Wiretap open, read, and seek-and-read routines return, in
addition to an error code, an error info string, for
WTAP_ERR_UNSUPPORTED, WTAP_ERR_UNSUPPORTED_ENCAP, and
WTAP_ERR_BAD_RECORD errors. Replace the error messages logged with
"g_message()" for those errors with g_strdup()ed or g_strdup_printf()ed
strings returned as the error info string, and change the callers of
those routines to, for those errors, put the info string into the
printed message or alert box for the error.
Add messages for cases where those errors were returned without printing
an additional message.
Nobody uses the error code from "cf_read()" - "cf_read()" puts up the
alert box itself for failures; get rid of the error code, so it just
returns a success/failure indication.
Rename "file_read_error_message()" to "cf_read_error_message()", as it
handles read errors from Wiretap, and have it take an error info string
as an argument. (That handles a lot of the work of putting the info
string into the error message.)
Make some variables in "ascend-grammar.y" static.
Check the return value of "erf_read_header()" in "erf_seek_read()".
Get rid of an unused #define in "i4btrace.c".
svn path=/trunk/; revision=9852
2004-01-25 21:55:17 +00:00
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static gboolean hcidump_read(wtap *wth, int *err, gchar **err_info,
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2006-11-05 22:46:44 +00:00
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gint64 *data_offset)
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2003-10-30 03:11:03 +00:00
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{
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struct dump_hdr dh;
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guint8 *buf;
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int bytes_read, packet_size;
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*data_offset = wth->data_offset;
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bytes_read = file_read(&dh, 1, DUMP_HDR_SIZE, wth->fh);
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if (bytes_read != DUMP_HDR_SIZE) {
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*err = file_error(wth->fh);
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if (*err == 0 && bytes_read != 0)
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*err = WTAP_ERR_SHORT_READ;
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return FALSE;
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}
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wth->data_offset += DUMP_HDR_SIZE;
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2003-10-30 11:53:48 +00:00
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packet_size = GUINT16_FROM_LE(dh.len);
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2003-10-30 03:11:03 +00:00
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if (packet_size > WTAP_MAX_PACKET_SIZE) {
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/*
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* Probably a corrupt capture file; don't blow up trying
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* to allocate space for an immensely-large packet.
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*/
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*err = WTAP_ERR_BAD_RECORD;
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Have the Wiretap open, read, and seek-and-read routines return, in
addition to an error code, an error info string, for
WTAP_ERR_UNSUPPORTED, WTAP_ERR_UNSUPPORTED_ENCAP, and
WTAP_ERR_BAD_RECORD errors. Replace the error messages logged with
"g_message()" for those errors with g_strdup()ed or g_strdup_printf()ed
strings returned as the error info string, and change the callers of
those routines to, for those errors, put the info string into the
printed message or alert box for the error.
Add messages for cases where those errors were returned without printing
an additional message.
Nobody uses the error code from "cf_read()" - "cf_read()" puts up the
alert box itself for failures; get rid of the error code, so it just
returns a success/failure indication.
Rename "file_read_error_message()" to "cf_read_error_message()", as it
handles read errors from Wiretap, and have it take an error info string
as an argument. (That handles a lot of the work of putting the info
string into the error message.)
Make some variables in "ascend-grammar.y" static.
Check the return value of "erf_read_header()" in "erf_seek_read()".
Get rid of an unused #define in "i4btrace.c".
svn path=/trunk/; revision=9852
2004-01-25 21:55:17 +00:00
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*err_info = g_strdup_printf("hcidump: File has %u-byte packet, bigger than maximum of %u",
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packet_size, WTAP_MAX_PACKET_SIZE);
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2003-10-30 03:11:03 +00:00
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return FALSE;
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}
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buffer_assure_space(wth->frame_buffer, packet_size);
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buf = buffer_start_ptr(wth->frame_buffer);
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bytes_read = file_read(buf, 1, packet_size, wth->fh);
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if (bytes_read != packet_size) {
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*err = file_error(wth->fh);
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if (*err == 0)
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*err = WTAP_ERR_SHORT_READ;
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return FALSE;
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}
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wth->data_offset += packet_size;
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2005-08-24 21:31:56 +00:00
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wth->phdr.ts.secs = GUINT32_FROM_LE(dh.ts_sec);
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wth->phdr.ts.nsecs = GUINT32_FROM_LE(dh.ts_usec) * 1000;
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2003-10-30 03:11:03 +00:00
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wth->phdr.caplen = packet_size;
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wth->phdr.len = packet_size;
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wth->pseudo_header.p2p.sent = (dh.in ? FALSE : TRUE);
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return TRUE;
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}
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2006-11-05 22:46:44 +00:00
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static gboolean hcidump_seek_read(wtap *wth, gint64 seek_off,
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Have the Wiretap open, read, and seek-and-read routines return, in
addition to an error code, an error info string, for
WTAP_ERR_UNSUPPORTED, WTAP_ERR_UNSUPPORTED_ENCAP, and
WTAP_ERR_BAD_RECORD errors. Replace the error messages logged with
"g_message()" for those errors with g_strdup()ed or g_strdup_printf()ed
strings returned as the error info string, and change the callers of
those routines to, for those errors, put the info string into the
printed message or alert box for the error.
Add messages for cases where those errors were returned without printing
an additional message.
Nobody uses the error code from "cf_read()" - "cf_read()" puts up the
alert box itself for failures; get rid of the error code, so it just
returns a success/failure indication.
Rename "file_read_error_message()" to "cf_read_error_message()", as it
handles read errors from Wiretap, and have it take an error info string
as an argument. (That handles a lot of the work of putting the info
string into the error message.)
Make some variables in "ascend-grammar.y" static.
Check the return value of "erf_read_header()" in "erf_seek_read()".
Get rid of an unused #define in "i4btrace.c".
svn path=/trunk/; revision=9852
2004-01-25 21:55:17 +00:00
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union wtap_pseudo_header *pseudo_header, guint8 *pd, int length,
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int *err, gchar **err_info _U_)
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2003-10-30 03:11:03 +00:00
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{
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struct dump_hdr dh;
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int bytes_read;
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if (file_seek(wth->random_fh, seek_off, SEEK_SET, err) == -1)
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return FALSE;
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bytes_read = file_read(&dh, 1, DUMP_HDR_SIZE, wth->random_fh);
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if (bytes_read != DUMP_HDR_SIZE) {
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*err = file_error(wth->random_fh);
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if (*err == 0 && bytes_read != 0)
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*err = WTAP_ERR_SHORT_READ;
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return FALSE;
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}
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bytes_read = file_read(pd, 1, length, wth->random_fh);
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if (bytes_read != length) {
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*err = file_error(wth->random_fh);
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if (*err == 0)
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*err = WTAP_ERR_SHORT_READ;
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return FALSE;
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}
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pseudo_header->p2p.sent = (dh.in ? FALSE : TRUE);
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return TRUE;
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}
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Have the Wiretap open, read, and seek-and-read routines return, in
addition to an error code, an error info string, for
WTAP_ERR_UNSUPPORTED, WTAP_ERR_UNSUPPORTED_ENCAP, and
WTAP_ERR_BAD_RECORD errors. Replace the error messages logged with
"g_message()" for those errors with g_strdup()ed or g_strdup_printf()ed
strings returned as the error info string, and change the callers of
those routines to, for those errors, put the info string into the
printed message or alert box for the error.
Add messages for cases where those errors were returned without printing
an additional message.
Nobody uses the error code from "cf_read()" - "cf_read()" puts up the
alert box itself for failures; get rid of the error code, so it just
returns a success/failure indication.
Rename "file_read_error_message()" to "cf_read_error_message()", as it
handles read errors from Wiretap, and have it take an error info string
as an argument. (That handles a lot of the work of putting the info
string into the error message.)
Make some variables in "ascend-grammar.y" static.
Check the return value of "erf_read_header()" in "erf_seek_read()".
Get rid of an unused #define in "i4btrace.c".
svn path=/trunk/; revision=9852
2004-01-25 21:55:17 +00:00
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int hcidump_open(wtap *wth, int *err, gchar **err_info _U_)
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2003-10-30 03:11:03 +00:00
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{
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struct dump_hdr dh;
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guint8 type;
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int bytes_read;
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bytes_read = file_read(&dh, 1, DUMP_HDR_SIZE, wth->fh);
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if (bytes_read != DUMP_HDR_SIZE) {
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*err = file_error(wth->fh);
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return (*err != 0) ? -1 : 0;
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}
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2005-11-27 12:10:03 +00:00
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if ((dh.in != 0 && dh.in != 1) || dh.pad != 0
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|| GUINT16_FROM_LE(dh.len) < 1)
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2003-10-30 03:11:03 +00:00
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return 0;
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bytes_read = file_read(&type, 1, 1, wth->fh);
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if (bytes_read != 1) {
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*err = file_error(wth->fh);
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return (*err != 0) ? -1 : 0;
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}
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if (type < 1 || type > 4)
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return 0;
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if (file_seek(wth->fh, 0, SEEK_SET, err) == -1)
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return -1;
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wth->file_type = WTAP_FILE_HCIDUMP;
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wth->file_encap = WTAP_ENCAP_BLUETOOTH_H4;
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wth->snapshot_length = 0;
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wth->subtype_read = hcidump_read;
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wth->subtype_seek_read = hcidump_seek_read;
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2005-08-25 21:29:54 +00:00
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wth->tsprecision = WTAP_FILE_TSPREC_USEC;
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2003-10-30 03:11:03 +00:00
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return 1;
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}
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