1 files changed, 112 insertions, 0 deletions
diff --git a/ui/packet_list_utils.c b/ui/packet_list_utils.c
new file mode 100644
index 0000000..ce5a6d2
--- /dev/null
+++ b/ui/packet_list_utils.c
@@ -0,0 +1,112 @@
+/* packet_list_utils.c
+ * Packet list display utilities
+ * Copied from gtk/packet_list.c
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include "packet_list_utils.h"
+
+#include <epan/column.h>
+
+gboolean
+right_justify_column (gint col, capture_file *cf)
+{
+    header_field_info *hfi;
+    gboolean right_justify = FALSE;
+    guint num_fields, *field_idx, ii;
+    guint right_justify_count = 0;
+
+    if (!cf) return FALSE;
+
+    switch (cf->cinfo.columns[col].col_fmt) {
+
+        case COL_NUMBER:
+        case COL_PACKET_LENGTH:
+        case COL_CUMULATIVE_BYTES:
+        case COL_DSCP_VALUE:
+        case COL_UNRES_DST_PORT:
+        case COL_UNRES_SRC_PORT:
+        case COL_DEF_DST_PORT:
+        case COL_DEF_SRC_PORT:
+        case COL_DELTA_TIME:
+        case COL_DELTA_TIME_DIS:
+            right_justify = TRUE;
+            break;
+
+        case COL_CUSTOM:
+            num_fields = g_slist_length(cf->cinfo.columns[col].col_custom_fields_ids);
+            for (ii = 0; ii < num_fields; ii++) {
+                field_idx = (guint *) g_slist_nth_data(cf->cinfo.columns[col].col_custom_fields_ids, ii);
+                hfi = proto_registrar_get_nth(*field_idx);
+
+                /* Check if this is a valid field and we have no strings lookup table */
+                if ((hfi != NULL) && ((hfi->strings == NULL) || !get_column_resolved(col))) {
+                    /* Check for bool, framenum, double, float, relative time and decimal/octal integer types */
+                    if ((hfi->type == FT_BOOLEAN) || (hfi->type == FT_FRAMENUM) || (hfi->type == FT_DOUBLE) ||
+                        (hfi->type == FT_FLOAT) || (hfi->type == FT_RELATIVE_TIME) ||
+                        (((FIELD_DISPLAY(hfi->display) == BASE_DEC) || (FIELD_DISPLAY(hfi->display) == BASE_OCT)) &&
+                         (FT_IS_INT(hfi->type) || FT_IS_UINT(hfi->type))))
+                    {
+                        right_justify_count++;
+                    }
+                }
+            }
+
+            if ((num_fields > 0) && (right_justify_count == num_fields)) {
+                /* All custom fields must meet the right-justify criteria */
+                right_justify = TRUE;
+            }
+            break;
+
+        default:
+            break;
+    }
+
+    return right_justify;
+}
+
+gboolean
+resolve_column (gint col, capture_file *cf)
+{
+    header_field_info *hfi;
+    gboolean resolve = FALSE;
+    guint num_fields, *field_idx, ii;
+
+    if (!cf) return FALSE;
+
+    switch (cf->cinfo.columns[col].col_fmt) {
+
+        case COL_CUSTOM:
+            num_fields = g_slist_length(cf->cinfo.columns[col].col_custom_fields_ids);
+            for (ii = 0; ii < num_fields; ii++) {
+                field_idx = (guint *) g_slist_nth_data(cf->cinfo.columns[col].col_custom_fields_ids, ii);
+                hfi = proto_registrar_get_nth(*field_idx);
+
+                /* Check if we have an OID, a (potentially) resolvable network
+                 * address, a Boolean, or a strings table with integer values */
+                /* XXX: Should this checkbox be disabled if the Name Resolution
+                 * preference for a given type is off?
+                 */
+                if ((hfi->type == FT_OID) || (hfi->type == FT_REL_OID) || (hfi->type == FT_ETHER) || (hfi->type == FT_IPv4) || (hfi->type == FT_IPv6) || (hfi->type == FT_FCWWN) || (hfi->type == FT_BOOLEAN) ||
+                    ((hfi->strings != NULL) &&
+                     (FT_IS_INT(hfi->type) || FT_IS_UINT(hfi->type))))
+                {
+                    resolve = TRUE;
+                    break;
+                }
+            }
+            break;
+
+        default:
+            break;
+    }
+
+    return resolve;
+}