forked from osmocom/wireshark
![Alexis La Goutte](/assets/img/avatar_default.png)
(Using sed : sed -i '/^ \* \$Id\$/,+1 d') Fix manually some typo (in export_object_dicom.c and crc16-plain.c) Change-Id: I4c1ae68d1c4afeace8cb195b53c715cf9e1227a8 Reviewed-on: https://code.wireshark.org/review/497 Reviewed-by: Anders Broman <a.broman58@gmail.com>
205 lines
6.2 KiB
C
205 lines
6.2 KiB
C
/* export_object.c
|
|
* Common routines for tracking & saving objects found in streams of data
|
|
* Copyright 2007, Stephen Fisher (see AUTHORS file)
|
|
*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
* Copyright 1998 Gerald Combs
|
|
*
|
|
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
|
* USA.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <string.h>
|
|
|
|
#ifdef HAVE_FCNTL_H
|
|
#include <fcntl.h>
|
|
#endif
|
|
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
#include <errno.h>
|
|
|
|
#include <epan/packet_info.h>
|
|
#include <wiretap/wtap.h>
|
|
#include <epan/tap.h>
|
|
|
|
#include <wsutil/file_util.h>
|
|
|
|
#include <ui/alert_box.h>
|
|
|
|
#include "export_object.h"
|
|
|
|
gboolean
|
|
eo_save_entry(const gchar *save_as_filename, export_object_entry_t *entry, gboolean show_err)
|
|
{
|
|
int to_fd;
|
|
gint64 bytes_left;
|
|
int bytes_to_write;
|
|
ssize_t bytes_written;
|
|
guint8 *ptr;
|
|
int err;
|
|
|
|
to_fd = ws_open(save_as_filename, O_WRONLY | O_CREAT | O_EXCL |
|
|
O_BINARY, 0644);
|
|
if(to_fd == -1) { /* An error occurred */
|
|
if (show_err)
|
|
open_failure_alert_box(save_as_filename, errno, TRUE);
|
|
return FALSE;
|
|
}
|
|
|
|
/*
|
|
* The third argument to _write() on Windows is an unsigned int,
|
|
* so, on Windows, that's the size of the third argument to
|
|
* ws_write().
|
|
*
|
|
* The third argument to write() on UN*X is a size_t, although
|
|
* the return value is an ssize_t, so one probably shouldn't
|
|
* write more than the max value of an ssize_t.
|
|
*
|
|
* In either case, there's no guarantee that a gint64 such as
|
|
* payload_len can be passed to ws_write(), so we write in
|
|
* chunks of, at most 2^31 bytes.
|
|
*/
|
|
ptr = entry->payload_data;
|
|
bytes_left = entry->payload_len;
|
|
while (bytes_left != 0) {
|
|
if (bytes_left > 0x40000000)
|
|
bytes_to_write = 0x40000000;
|
|
else
|
|
bytes_to_write = (int)bytes_left;
|
|
bytes_written = ws_write(to_fd, ptr, bytes_to_write);
|
|
if(bytes_written <= 0) {
|
|
if (bytes_written < 0)
|
|
err = errno;
|
|
else
|
|
err = WTAP_ERR_SHORT_WRITE;
|
|
if (show_err)
|
|
write_failure_alert_box(save_as_filename, err);
|
|
ws_close(to_fd);
|
|
return FALSE;
|
|
}
|
|
bytes_left -= bytes_written;
|
|
ptr += bytes_written;
|
|
}
|
|
if (ws_close(to_fd) < 0) {
|
|
if (show_err)
|
|
write_failure_alert_box(save_as_filename, errno);
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
#define HINIBBLE(x) (((x) >> 4) & 0xf)
|
|
#define LONIBBLE(x) ((x) & 0xf)
|
|
#define HEXTOASCII(x) (((x) < 10) ? ((x) + '0') : ((x) - 10 + 'a'))
|
|
#define MAXFILELEN 255
|
|
|
|
static GString *eo_rename(GString *gstr, int dupn)
|
|
{
|
|
GString *gstr_tmp;
|
|
gchar *tmp_ptr;
|
|
GString *ext_str;
|
|
|
|
gstr_tmp = g_string_new("(");
|
|
g_string_append_printf (gstr_tmp, "%d)", dupn);
|
|
if ( (tmp_ptr = strrchr(gstr->str, '.')) != NULL ) {
|
|
/* Retain the extension */
|
|
ext_str = g_string_new(tmp_ptr);
|
|
gstr = g_string_truncate(gstr, gstr->len - ext_str->len);
|
|
if ( gstr->len >= (MAXFILELEN - (strlen(gstr_tmp->str) + ext_str->len)) )
|
|
gstr = g_string_truncate(gstr, MAXFILELEN - (strlen(gstr_tmp->str) + ext_str->len));
|
|
gstr = g_string_append(gstr, gstr_tmp->str);
|
|
gstr = g_string_append(gstr, ext_str->str);
|
|
g_string_free(ext_str, TRUE);
|
|
}
|
|
else {
|
|
if ( gstr->len >= (MAXFILELEN - strlen(gstr_tmp->str)) )
|
|
gstr = g_string_truncate(gstr, MAXFILELEN - strlen(gstr_tmp->str));
|
|
gstr = g_string_append(gstr, gstr_tmp->str);
|
|
}
|
|
g_string_free(gstr_tmp, TRUE);
|
|
return gstr;
|
|
}
|
|
|
|
GString *
|
|
eo_massage_str(const gchar *in_str, gsize maxlen, int dupn)
|
|
{
|
|
gchar *tmp_ptr;
|
|
/* The characters in "reject" come from:
|
|
* http://msdn.microsoft.com/en-us/library/aa365247%28VS.85%29.aspx.
|
|
* Add to the list as necessary for other OS's.
|
|
*/
|
|
const gchar *reject = "<>:\"/\\|?*"
|
|
"\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a"
|
|
"\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14"
|
|
"\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f";
|
|
GString *out_str;
|
|
GString *ext_str;
|
|
|
|
out_str = g_string_new("");
|
|
|
|
/* Find all disallowed characters/bytes and replace them with %xx */
|
|
while ( (tmp_ptr = strpbrk(in_str, reject)) != NULL ) {
|
|
out_str = g_string_append_len(out_str, in_str, tmp_ptr - in_str);
|
|
out_str = g_string_append_c(out_str, '%');
|
|
out_str = g_string_append_c(out_str, HEXTOASCII(HINIBBLE(*tmp_ptr)));
|
|
out_str = g_string_append_c(out_str, HEXTOASCII(LONIBBLE(*tmp_ptr)));
|
|
in_str = tmp_ptr + 1;
|
|
}
|
|
out_str = g_string_append(out_str, in_str);
|
|
if ( out_str->len > maxlen ) {
|
|
if ( (tmp_ptr = strrchr(out_str->str, '.')) != NULL ) {
|
|
/* Retain the extension */
|
|
ext_str = g_string_new(tmp_ptr);
|
|
out_str = g_string_truncate(out_str, maxlen - ext_str->len);
|
|
out_str = g_string_append(out_str, ext_str->str);
|
|
g_string_free(ext_str, TRUE);
|
|
}
|
|
else
|
|
out_str = g_string_truncate(out_str, maxlen);
|
|
}
|
|
if ( dupn != 0 )
|
|
out_str = eo_rename(out_str, dupn);
|
|
return out_str;
|
|
}
|
|
|
|
const char *
|
|
ct2ext(const char *content_type)
|
|
{
|
|
/* TODO: Map the content type string to an extension string. If no match,
|
|
* return NULL. */
|
|
return content_type;
|
|
}
|
|
|
|
/*
|
|
* Editor modelines
|
|
*
|
|
* Local Variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* ex: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|