From e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 10 Apr 2024 22:34:10 +0200 Subject: Adding upstream version 4.2.2. Signed-off-by: Daniel Baumann --- plugins/epan/transum/extractors.c | 165 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 165 insertions(+) create mode 100644 plugins/epan/transum/extractors.c (limited to 'plugins/epan/transum/extractors.c') diff --git a/plugins/epan/transum/extractors.c b/plugins/epan/transum/extractors.c new file mode 100644 index 00000000..80475ae3 --- /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 + * Copyright 2016 Advance Seven Limited + * + * Wireshark - Network traffic analyzer + * By Gerald Combs + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include "config.h" +#include +#include +#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: + */ -- cgit v1.2.3