Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 165 insertions, 0 deletions

diff --git a/plugins/epan/transum/extractors.c b/plugins/epan/transum/extractors.c
new file mode 100644
index 0000000..80475ae
--- /dev/null
+++ b/plugins/epan/transum/extractors.c
@@ -0,0 +1,165 @@
+/* extractors.c
+ * Routines for the TRANSUM response time analyzer post-dissector
+ * By Paul Offord <paul.offord@advance7.com>
+ * Copyright 2016 Advance Seven Limited
+ *
+ * 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 <epan/prefs.h>
+#include <epan/packet.h>
+#include "extractors.h"
+
+/*
+    This function extracts a field value (e.g. tcp.len) from a tree.  Because a packet may contain
+    multiple values for the field, the extracted values are returned in a result_array.  The
+    number of array entries is returned in element_count.
+
+    Return is 0 if all went well.  If this function return -1 it is probably because the tree did not
+    include the field defined by the field_id.
+ */
+int extract_uint(proto_tree *tree, int field_id, guint32 *result_array, size_t *element_count)
+{
+    GPtrArray *finfo_array;
+
+    *element_count = 0;
+    if (tree == NULL) {
+        return -1;
+    }
+
+    finfo_array = proto_get_finfo_ptr_array(tree, field_id);
+
+    if (finfo_array == NULL) {
+        return -1;
+    }
+
+    *element_count = g_ptr_array_len(finfo_array);
+
+    for (size_t i = 0; i < *element_count && i < MAX_RETURNED_ELEMENTS; i++)
+    {
+        result_array[i] = fvalue_get_uinteger(((field_info*)finfo_array->pdata[i])->value);
+    }
+
+    return 0;
+}
+
+int extract_ui64(proto_tree *tree, int field_id, guint64 *result_array, size_t *element_count)
+{
+    GPtrArray *finfo_array;
+
+    *element_count = 0;
+    if (tree == NULL) {
+        return -1;
+    }
+
+    finfo_array = proto_get_finfo_ptr_array(tree, field_id);
+
+    if (finfo_array == NULL) {
+        return -1;
+    }
+
+    *element_count = g_ptr_array_len(finfo_array);
+
+    for (size_t i = 0; i < *element_count && i < MAX_RETURNED_ELEMENTS; i++)
+    {
+        result_array[i] = fvalue_get_uinteger64(((field_info*)finfo_array->pdata[i])->value);
+    }
+
+    return 0;
+}
+
+int extract_si64(proto_tree *tree, int field_id, guint64 *result_array, size_t *element_count)
+{
+    GPtrArray *finfo_array;
+
+    *element_count = 0;
+    if (tree == NULL) {
+        return -1;
+    }
+
+    finfo_array = proto_get_finfo_ptr_array(tree, field_id);
+
+    if (finfo_array == NULL) {
+        return -1;
+    }
+
+    *element_count = g_ptr_array_len(finfo_array);
+
+    for (size_t i = 0; i < *element_count && i < MAX_RETURNED_ELEMENTS; i++)
+    {
+        result_array[i] = fvalue_get_sinteger64(((field_info*)finfo_array->pdata[i])->value);
+    }
+
+    return 0;
+}
+
+int extract_bool(proto_tree *tree, int field_id, gboolean *result_array, size_t *element_count)
+{
+    GPtrArray *finfo_array;
+
+    *element_count = 0;
+    if (tree == NULL) {
+        return -1;
+    }
+
+    finfo_array = proto_get_finfo_ptr_array(tree, field_id);
+
+    if (finfo_array == NULL) {
+        return -1;
+    }
+
+    *element_count = g_ptr_array_len(finfo_array);
+
+    for (size_t i = 0; i < *element_count && i < MAX_RETURNED_ELEMENTS; i++)
+    {
+        fvalue_t *fv = ((field_info*)finfo_array->pdata[i])->value;
+
+        ws_assert(fvalue_type_ftenum(fv) == FT_BOOLEAN);
+        if (fvalue_get_uinteger64(fv))
+            result_array[i] = TRUE;
+        else
+            result_array[i] = FALSE;
+    }
+
+    return 0;
+}
+
+/*
+ * Extract a count of the number of instances of a given field.
+ */
+int extract_instance_count(proto_tree *tree, int field_id, size_t *element_count)
+{
+    GPtrArray *finfo_array;
+
+    *element_count = 0;
+    if (tree == NULL) {
+        return -1;
+    }
+
+    finfo_array = proto_get_finfo_ptr_array(tree, field_id);
+
+    if (finfo_array == NULL) {
+        return -1;
+    }
+
+    *element_count = g_ptr_array_len(finfo_array);
+
+    return 0;
+}
+
+/*
+ * Editor modelines  -  https://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:
+ */