diff options
Diffstat (limited to 'epan/ftypes/ftype-guid.c')
| -rw-r--r-- | epan/ftypes/ftype-guid.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/epan/ftypes/ftype-guid.c b/epan/ftypes/ftype-guid.c new file mode 100644 index 0000000000..6f229ae81e --- /dev/null +++ b/epan/ftypes/ftype-guid.c @@ -0,0 +1,167 @@ +/*
+ * $Id$
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@ethereal.com>
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+
+#include <ftypes-int.h>
+#include <epan/guid-utils.h>
+
+#define GUID_LEN 16
+
+static void
+set_guid(fvalue_t *fv, e_guid_t *value)
+{
+ fv->value.guid = *value;
+}
+
+static gpointer
+value_get(fvalue_t *fv)
+{
+ return &(fv->value.guid);
+}
+
+static gboolean
+get_guid(char *s, e_guid_t *guid)
+{
+ size_t i, n;
+ char *p, 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 (!isxdigit((guchar)s[i]))
+ return FALSE;
+ } else {
+ if (s[i] != fmt[i])
+ return FALSE;
+ }
+ }
+
+ p = s;
+ strncpy(digits, p, 8);
+ digits[8] = '\0';
+ guid->data1 = strtoul(digits, NULL, 16);
+ p += 9;
+ strncpy(digits, p, 4);
+ digits[4] = '\0';
+ guid->data2 = (guint16)strtoul(digits, NULL, 16);
+ p += 5;
+ strncpy(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, char *s, gboolean allow_partial_value, LogFunc logfunc)
+{
+ e_guid_t guid;
+
+ if (!get_guid(s, &guid)) {
+ logfunc("\"%s\" is not a valid GUID.", s);
+ return FALSE;
+ }
+
+ set_guid(fv, &guid);
+ return TRUE;
+}
+
+static int
+guid_repr_len(fvalue_t *fv _U_, ftrepr_t rtype _U_)
+{
+ return GUID_STR_LEN;
+}
+
+static void
+guid_to_repr(fvalue_t *fv, ftrepr_t rtype _U_, char *buf)
+{
+ guid_to_str_buf(&fv->value.guid, buf, GUID_STR_LEN);
+}
+
+static gboolean
+cmp_eq(fvalue_t *a, fvalue_t *b)
+{
+ return memcmp(&a->value.guid, &b->value.guid, sizeof(e_guid_t)) == 0;
+}
+
+static gboolean
+cmp_ne(fvalue_t *a, 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 = {
+ "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 */
+
+ set_guid, /* set_value */
+ NULL, /* set_value_integer */
+ NULL, /* set_value_integer64 */
+ NULL, /* set_value_floating */
+
+ value_get, /* get_value */
+ NULL, /* get_value_integer */
+ NULL, /* get_value_integer64 */
+ 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);
+}
|