forked from osmocom/wireshark
![Michael Mann](/assets/img/avatar_default.png)
This allows the conversion of a few straggler strcpy calls in ftype library. Also provides a more accurate size value instead of the many hard coded values the ftypes were using. Change-Id: Ia6273980432e16ad3a6233816a6054d9fed5d2a4 Reviewed-on: https://code.wireshark.org/review/15344 Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Michael Mann <mmann78@netscape.net>
189 lines
5 KiB
C
189 lines
5 KiB
C
/*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
* Copyright 2001 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>
|
|
#include <stdlib.h>
|
|
|
|
#include <ftypes-int.h>
|
|
#include <epan/guid-utils.h>
|
|
#include <epan/to_str.h>
|
|
|
|
static void
|
|
guid_fvalue_set_guid(fvalue_t *fv, const e_guid_t *value)
|
|
{
|
|
fv->value.guid = *value;
|
|
}
|
|
|
|
static gpointer
|
|
value_get(fvalue_t *fv)
|
|
{
|
|
return &(fv->value.guid);
|
|
}
|
|
|
|
static gboolean
|
|
get_guid(const char *s, e_guid_t *guid)
|
|
{
|
|
size_t i, n;
|
|
const char *p;
|
|
char digits[9];
|
|
static const char fmt[] = "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX";
|
|
|
|
n = strlen(s);
|
|
if (n != strlen(fmt))
|
|
return FALSE;
|
|
for (i=0; i<n; i++) {
|
|
if (fmt[i] == 'X') {
|
|
if (!g_ascii_isxdigit(s[i]))
|
|
return FALSE;
|
|
} else {
|
|
if (s[i] != fmt[i])
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
p = s;
|
|
g_strlcpy(digits, p, 8);
|
|
digits[8] = '\0';
|
|
guid->data1 = (guint32)strtoul(digits, NULL, 16);
|
|
p += 9;
|
|
g_strlcpy(digits, p, 4);
|
|
digits[4] = '\0';
|
|
guid->data2 = (guint16)strtoul(digits, NULL, 16);
|
|
p += 5;
|
|
g_strlcpy(digits, p, 4);
|
|
digits[4] = '\0';
|
|
guid->data3 = (guint16)strtoul(digits, NULL, 16);
|
|
p += 5;
|
|
for (i=0; i < sizeof(guid->data4); i++) {
|
|
if (*p == '-') p++;
|
|
digits[0] = *(p++);
|
|
digits[1] = *(p++);
|
|
digits[2] = '\0';
|
|
guid->data4[i] = (guint8)strtoul(digits, NULL, 16);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
guid_from_unparsed(fvalue_t *fv, const char *s, gboolean allow_partial_value _U_, gchar **err_msg)
|
|
{
|
|
e_guid_t guid;
|
|
|
|
if (!get_guid(s, &guid)) {
|
|
if (err_msg != NULL)
|
|
*err_msg = g_strdup_printf("\"%s\" is not a valid GUID.", s);
|
|
return FALSE;
|
|
}
|
|
|
|
fv->value.guid = guid;
|
|
return TRUE;
|
|
}
|
|
|
|
static int
|
|
guid_repr_len(fvalue_t *fv _U_, ftrepr_t rtype _U_, int field_display _U_)
|
|
{
|
|
return GUID_STR_LEN;
|
|
}
|
|
|
|
static void
|
|
guid_to_repr(fvalue_t *fv, ftrepr_t rtype _U_, int field_display _U_, char *buf, unsigned int size)
|
|
{
|
|
guid_to_str_buf(&fv->value.guid, buf, size);
|
|
}
|
|
|
|
static gboolean
|
|
cmp_eq(const fvalue_t *a, const fvalue_t *b)
|
|
{
|
|
return memcmp(&a->value.guid, &b->value.guid, sizeof(e_guid_t)) == 0;
|
|
}
|
|
|
|
static gboolean
|
|
cmp_ne(const fvalue_t *a, const fvalue_t *b)
|
|
{
|
|
return memcmp(&a->value.guid, &b->value.guid, sizeof(e_guid_t)) != 0;
|
|
}
|
|
|
|
void
|
|
ftype_register_guid(void)
|
|
{
|
|
|
|
static ftype_t guid_type = {
|
|
FT_GUID, /* ftype */
|
|
"FT_GUID", /* name */
|
|
"Globally Unique Identifier", /* pretty_name */
|
|
GUID_LEN, /* wire_size */
|
|
NULL, /* new_value */
|
|
NULL, /* free_value */
|
|
guid_from_unparsed, /* val_from_unparsed */
|
|
NULL, /* val_from_string */
|
|
guid_to_repr, /* val_to_string_repr */
|
|
guid_repr_len, /* len_string_repr */
|
|
|
|
NULL, /* set_value_byte_array */
|
|
NULL, /* set_value_bytes */
|
|
guid_fvalue_set_guid, /* set_value_guid */
|
|
NULL, /* set_value_time */
|
|
NULL, /* set_value_string */
|
|
NULL, /* set_value_protocol */
|
|
NULL, /* set_value_uinteger */
|
|
NULL, /* set_value_sinteger */
|
|
NULL, /* set_value_uinteger64 */
|
|
NULL, /* set_value_sinteger64 */
|
|
NULL, /* set_value_floating */
|
|
|
|
value_get, /* get_value */
|
|
NULL, /* get_value_uinteger */
|
|
NULL, /* get_value_sinteger */
|
|
NULL, /* get_value_uinteger64 */
|
|
NULL, /* get_value_sinteger64 */
|
|
NULL, /* get_value_floating */
|
|
|
|
cmp_eq,
|
|
cmp_ne,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL, /* cmp_matches */
|
|
|
|
NULL,
|
|
NULL,
|
|
};
|
|
|
|
ftype_register(FT_GUID, &guid_type);
|
|
}
|
|
|
|
/*
|
|
* 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:
|
|
*/
|