1263 lines
36 KiB
C
1263 lines
36 KiB
C
/* wtap_opttypes.c
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 2001 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include <glib.h>
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#include <string.h>
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#include "wtap.h"
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#include "wtap_opttypes.h"
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#include "wtap-int.h"
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#include "pcapng_module.h"
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#if 0
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#define wtap_debug(...) g_warning(__VA_ARGS__)
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#else
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#define wtap_debug(...)
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#endif
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/*
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* Structure describing a type of block.
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*/
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typedef struct {
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wtap_block_type_t block_type; /**< internal type code for block */
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const char *name; /**< name of block */
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const char *description; /**< human-readable description of block */
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wtap_block_create_func create;
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wtap_mand_free_func free_mand;
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wtap_mand_copy_func copy_mand;
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GHashTable *options; /**< hash table of known options */
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} wtap_blocktype_t;
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#define GET_OPTION_TYPE(options, option_id) \
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(const wtap_opttype_t *)g_hash_table_lookup((options), GUINT_TO_POINTER(option_id))
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/*
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* Structure describing a type of option.
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*/
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typedef struct {
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const char *name; /**< name of option */
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const char *description; /**< human-readable description of option */
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wtap_opttype_e data_type; /**< data type of that option */
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guint flags; /**< flags for the option */
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} wtap_opttype_t;
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/* Flags */
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#define WTAP_OPTTYPE_FLAG_MULTIPLE_ALLOWED 0x00000001 /* multiple instances allowed */
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struct wtap_block
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{
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wtap_blocktype_t* info;
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void* mandatory_data;
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GArray* options;
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};
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/* Keep track of wtap_blocktype_t's via their id number */
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static wtap_blocktype_t* blocktype_list[MAX_WTAP_BLOCK_TYPE_VALUE];
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static void wtap_opttype_block_register(wtap_blocktype_t *blocktype)
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{
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wtap_block_type_t block_type;
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static const wtap_opttype_t opt_comment = {
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"opt_comment",
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"Comment",
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WTAP_OPTTYPE_STRING,
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WTAP_OPTTYPE_FLAG_MULTIPLE_ALLOWED
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};
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block_type = blocktype->block_type;
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block_type = blocktype->block_type;
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/* Check input */
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g_assert(block_type < MAX_WTAP_BLOCK_TYPE_VALUE);
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/* Don't re-register. */
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g_assert(blocktype_list[block_type] == NULL);
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/* Sanity check */
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g_assert(blocktype->name);
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g_assert(blocktype->description);
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g_assert(blocktype->create);
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/*
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* Initialize the set of supported options.
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* All blocks that support options at all support OPT_COMMENT.
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*
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* XXX - there's no "g_uint_hash()" or "g_uint_equal()",
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* so we use "g_direct_hash()" and "g_direct_equal()".
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*/
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blocktype->options = g_hash_table_new(g_direct_hash, g_direct_equal);
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g_hash_table_insert(blocktype->options, GUINT_TO_POINTER(OPT_COMMENT),
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(gpointer)&opt_comment);
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blocktype_list[block_type] = blocktype;
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}
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static void wtap_opttype_option_register(wtap_blocktype_t *blocktype, guint opttype, const wtap_opttype_t *option)
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{
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g_hash_table_insert(blocktype->options, GUINT_TO_POINTER(opttype),
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(gpointer) option);
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}
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wtap_block_type_t wtap_block_get_type(wtap_block_t block)
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{
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return block->info->block_type;
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}
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void* wtap_block_get_mandatory_data(wtap_block_t block)
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{
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return block->mandatory_data;
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}
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static wtap_optval_t *
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wtap_block_get_option(wtap_block_t block, guint option_id)
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{
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guint i;
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wtap_option_t *opt;
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for (i = 0; i < block->options->len; i++) {
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opt = &g_array_index(block->options, wtap_option_t, i);
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if (opt->option_id == option_id)
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return &opt->value;
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}
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return NULL;
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}
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static wtap_optval_t *
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wtap_block_get_nth_option(wtap_block_t block, guint option_id, guint idx)
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{
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guint i;
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wtap_option_t *opt;
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guint opt_idx;
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opt_idx = 0;
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for (i = 0; i < block->options->len; i++) {
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opt = &g_array_index(block->options, wtap_option_t, i);
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if (opt->option_id == option_id) {
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if (opt_idx == idx)
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return &opt->value;
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opt_idx++;
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}
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}
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return NULL;
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}
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wtap_block_t wtap_block_create(wtap_block_type_t block_type)
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{
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wtap_block_t block;
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if (block_type >= MAX_WTAP_BLOCK_TYPE_VALUE)
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return NULL;
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block = g_new(struct wtap_block, 1);
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block->info = blocktype_list[block_type];
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block->options = g_array_new(FALSE, FALSE, sizeof(wtap_option_t));
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block->info->create(block);
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return block;
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}
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static void wtap_block_free_option(wtap_block_t block, wtap_option_t *opt)
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{
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const wtap_opttype_t *opttype;
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opttype = GET_OPTION_TYPE(block->info->options, opt->option_id);
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switch (opttype->data_type) {
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case WTAP_OPTTYPE_STRING:
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g_free(opt->value.stringval);
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break;
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case WTAP_OPTTYPE_IF_FILTER:
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switch (opt->value.if_filterval.type) {
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case if_filter_pcap:
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/* pcap filter string */
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g_free(opt->value.if_filterval.data.filter_str);
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break;
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case if_filter_bpf:
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g_free(opt->value.if_filterval.data.bpf_prog.bpf_prog);
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break;
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default:
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break;
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}
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break;
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default:
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break;
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}
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}
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static void wtap_block_free_options(wtap_block_t block)
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{
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guint i;
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wtap_option_t *opt;
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for (i = 0; i < block->options->len; i++) {
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opt = &g_array_index(block->options, wtap_option_t, i);
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wtap_block_free_option(block, opt);
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}
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}
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void wtap_block_free(wtap_block_t block)
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{
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if (block != NULL)
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{
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if (block->info->free_mand != NULL)
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block->info->free_mand(block);
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g_free(block->mandatory_data);
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wtap_block_free_options(block);
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g_array_free(block->options, TRUE);
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g_free(block);
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}
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}
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void wtap_block_array_free(GArray* block_array)
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{
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guint block;
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if (block_array == NULL)
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return;
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for (block = 0; block < block_array->len; block++) {
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wtap_block_free(g_array_index(block_array, wtap_block_t, block));
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}
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g_array_free(block_array, TRUE);
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}
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/*
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* Make a copy of a block.
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*/
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void
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wtap_block_copy(wtap_block_t dest_block, wtap_block_t src_block)
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{
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guint i;
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wtap_option_t *src_opt;
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const wtap_opttype_t *opttype;
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/*
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* Copy the mandatory data.
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*/
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if (dest_block->info->copy_mand != NULL)
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dest_block->info->copy_mand(dest_block, src_block);
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/* Copy the options. For now, don't remove any options that are in destination
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* but not source.
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*/
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for (i = 0; i < src_block->options->len; i++)
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{
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src_opt = &g_array_index(src_block->options, wtap_option_t, i);
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opttype = GET_OPTION_TYPE(src_block->info->options, src_opt->option_id);
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switch(opttype->data_type) {
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case WTAP_OPTTYPE_UINT8:
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wtap_block_add_uint8_option(dest_block, src_opt->option_id, src_opt->value.uint8val);
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break;
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case WTAP_OPTTYPE_UINT64:
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wtap_block_add_uint64_option(dest_block, src_opt->option_id, src_opt->value.uint64val);
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break;
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case WTAP_OPTTYPE_IPv4:
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wtap_block_add_ipv4_option(dest_block, src_opt->option_id, src_opt->value.ipv4val);
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break;
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case WTAP_OPTTYPE_IPv6:
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wtap_block_add_ipv6_option(dest_block, src_opt->option_id, &src_opt->value.ipv6val);
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break;
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case WTAP_OPTTYPE_STRING:
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wtap_block_add_string_option(dest_block, src_opt->option_id, src_opt->value.stringval, strlen(src_opt->value.stringval));
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break;
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case WTAP_OPTTYPE_IF_FILTER:
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wtap_block_add_if_filter_option(dest_block, src_opt->option_id, &src_opt->value.if_filterval);
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break;
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}
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}
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}
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wtap_block_t wtap_block_make_copy(wtap_block_t block)
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{
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wtap_block_t block_copy;
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block_copy = wtap_block_create(block->info->block_type);
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wtap_block_copy(block_copy, block);
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return block_copy;
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}
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void wtap_block_foreach_option(wtap_block_t block, wtap_block_foreach_func func, void* user_data)
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{
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guint i;
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wtap_option_t *opt;
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const wtap_opttype_t *opttype;
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for (i = 0; i < block->options->len; i++) {
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opt = &g_array_index(block->options, wtap_option_t, i);
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opttype = GET_OPTION_TYPE(block->info->options, opt->option_id);
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func(block, opt->option_id, opttype->data_type, &opt->value, user_data);
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}
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}
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static wtap_opttype_return_val
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wtap_block_add_option_common(wtap_block_t block, guint option_id, wtap_opttype_e type, wtap_option_t **optp)
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{
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wtap_option_t *opt;
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const wtap_opttype_t *opttype;
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guint i;
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opttype = GET_OPTION_TYPE(block->info->options, option_id);
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if (opttype == NULL) {
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/* There's no option for this block with that option ID */
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return WTAP_OPTTYPE_NO_SUCH_OPTION;
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}
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/*
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* Is this an option of the specified data type?
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*/
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if (opttype->data_type != type) {
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/*
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* No.
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*/
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return WTAP_OPTTYPE_TYPE_MISMATCH;
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}
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/*
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* Can there be more than one instance of this option?
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*/
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if (!(opttype->flags & WTAP_OPTTYPE_FLAG_MULTIPLE_ALLOWED)) {
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/*
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* No. Is there already an instance of this option?
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*/
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if (wtap_block_get_option(block, option_id) != NULL) {
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/*
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* Yes. Fail.
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*/
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return WTAP_OPTTYPE_ALREADY_EXISTS;
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}
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}
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/*
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* Add an instance.
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*/
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i = block->options->len;
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g_array_set_size(block->options, i + 1);
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opt = &g_array_index(block->options, wtap_option_t, i);
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opt->option_id = option_id;
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*optp = opt;
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return WTAP_OPTTYPE_SUCCESS;
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}
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static wtap_opttype_return_val
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wtap_block_get_option_common(wtap_block_t block, guint option_id, wtap_opttype_e type, wtap_optval_t **optvalp)
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{
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const wtap_opttype_t *opttype;
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wtap_optval_t *optval;
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opttype = GET_OPTION_TYPE(block->info->options, option_id);
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if (opttype == NULL) {
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/* There's no option for this block with that option ID */
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return WTAP_OPTTYPE_NO_SUCH_OPTION;
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}
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/*
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* Is this an option of the specified data type?
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*/
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if (opttype->data_type != type) {
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/*
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* No.
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*/
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return WTAP_OPTTYPE_TYPE_MISMATCH;
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}
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/*
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* Can there be more than one instance of this option?
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*/
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if (opttype->flags & WTAP_OPTTYPE_FLAG_MULTIPLE_ALLOWED) {
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/*
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* Yes. You can't ask for "the" value.
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*/
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return WTAP_OPTTYPE_NUMBER_MISMATCH;
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}
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optval = wtap_block_get_option(block, option_id);
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if (optval == NULL) {
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/* Didn't find the option */
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return WTAP_OPTTYPE_NOT_FOUND;
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}
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*optvalp = optval;
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return WTAP_OPTTYPE_SUCCESS;
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}
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static wtap_opttype_return_val
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wtap_block_get_nth_option_common(wtap_block_t block, guint option_id, wtap_opttype_e type, guint idx, wtap_optval_t **optvalp)
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{
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const wtap_opttype_t *opttype;
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wtap_optval_t *optval;
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opttype = GET_OPTION_TYPE(block->info->options, option_id);
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if (opttype == NULL) {
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/* There's no option for this block with that option ID */
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return WTAP_OPTTYPE_NO_SUCH_OPTION;
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}
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/*
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* Is this an option of the specified data type?
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*/
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if (opttype->data_type != type) {
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/*
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* No.
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*/
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return WTAP_OPTTYPE_TYPE_MISMATCH;
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}
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/*
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* Can there be more than one instance of this option?
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*/
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if (!(opttype->flags & WTAP_OPTTYPE_FLAG_MULTIPLE_ALLOWED)) {
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/*
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* No.
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*/
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return WTAP_OPTTYPE_NUMBER_MISMATCH;
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}
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optval = wtap_block_get_nth_option(block, option_id, idx);
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if (optval == NULL) {
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/* Didn't find the option */
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return WTAP_OPTTYPE_NOT_FOUND;
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}
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*optvalp = optval;
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return WTAP_OPTTYPE_SUCCESS;
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}
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wtap_opttype_return_val
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wtap_block_add_uint8_option(wtap_block_t block, guint option_id, guint8 value)
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{
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wtap_opttype_return_val ret;
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wtap_option_t *opt;
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ret = wtap_block_add_option_common(block, option_id, WTAP_OPTTYPE_UINT8, &opt);
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if (ret != WTAP_OPTTYPE_SUCCESS)
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return ret;
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opt->value.uint8val = value;
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return WTAP_OPTTYPE_SUCCESS;
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}
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wtap_opttype_return_val
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wtap_block_set_uint8_option_value(wtap_block_t block, guint option_id, guint8 value)
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{
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wtap_opttype_return_val ret;
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wtap_optval_t *optval;
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ret = wtap_block_get_option_common(block, option_id, WTAP_OPTTYPE_UINT8, &optval);
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if (ret != WTAP_OPTTYPE_SUCCESS)
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return ret;
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optval->uint8val = value;
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return WTAP_OPTTYPE_SUCCESS;
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}
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wtap_opttype_return_val
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wtap_block_get_uint8_option_value(wtap_block_t block, guint option_id, guint8* value)
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{
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wtap_opttype_return_val ret;
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wtap_optval_t *optval;
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ret = wtap_block_get_option_common(block, option_id, WTAP_OPTTYPE_UINT8, &optval);
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if (ret != WTAP_OPTTYPE_SUCCESS)
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return ret;
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*value = optval->uint8val;
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return WTAP_OPTTYPE_SUCCESS;
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}
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wtap_opttype_return_val
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wtap_block_add_uint64_option(wtap_block_t block, guint option_id, guint64 value)
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{
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wtap_opttype_return_val ret;
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wtap_option_t *opt;
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ret = wtap_block_add_option_common(block, option_id, WTAP_OPTTYPE_UINT64, &opt);
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if (ret != WTAP_OPTTYPE_SUCCESS)
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return ret;
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opt->value.uint64val = value;
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return WTAP_OPTTYPE_SUCCESS;
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}
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wtap_opttype_return_val
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wtap_block_set_uint64_option_value(wtap_block_t block, guint option_id, guint64 value)
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{
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wtap_opttype_return_val ret;
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wtap_optval_t *optval;
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ret = wtap_block_get_option_common(block, option_id, WTAP_OPTTYPE_UINT64, &optval);
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if (ret != WTAP_OPTTYPE_SUCCESS)
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return ret;
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optval->uint64val = value;
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return WTAP_OPTTYPE_SUCCESS;
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}
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wtap_opttype_return_val
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wtap_block_get_uint64_option_value(wtap_block_t block, guint option_id, guint64 *value)
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|
{
|
|
wtap_opttype_return_val ret;
|
|
wtap_optval_t *optval;
|
|
|
|
ret = wtap_block_get_option_common(block, option_id, WTAP_OPTTYPE_UINT64, &optval);
|
|
if (ret != WTAP_OPTTYPE_SUCCESS)
|
|
return ret;
|
|
*value = optval->uint64val;
|
|
return WTAP_OPTTYPE_SUCCESS;
|
|
}
|
|
|
|
wtap_opttype_return_val
|
|
wtap_block_add_ipv4_option(wtap_block_t block, guint option_id, guint32 value)
|
|
{
|
|
wtap_opttype_return_val ret;
|
|
wtap_option_t *opt;
|
|
|
|
ret = wtap_block_add_option_common(block, option_id, WTAP_OPTTYPE_IPv4, &opt);
|
|
if (ret != WTAP_OPTTYPE_SUCCESS)
|
|
return ret;
|
|
opt->value.ipv4val = value;
|
|
return WTAP_OPTTYPE_SUCCESS;
|
|
}
|
|
|
|
wtap_opttype_return_val
|
|
wtap_block_set_ipv4_option_value(wtap_block_t block, guint option_id, guint32 value)
|
|
{
|
|
wtap_opttype_return_val ret;
|
|
wtap_optval_t *optval;
|
|
|
|
ret = wtap_block_get_option_common(block, option_id, WTAP_OPTTYPE_IPv4, &optval);
|
|
if (ret != WTAP_OPTTYPE_SUCCESS)
|
|
return ret;
|
|
optval->ipv4val = value;
|
|
return WTAP_OPTTYPE_SUCCESS;
|
|
}
|
|
|
|
wtap_opttype_return_val
|
|
wtap_block_get_ipv4_option_value(wtap_block_t block, guint option_id, guint32* value)
|
|
{
|
|
wtap_opttype_return_val ret;
|
|
wtap_optval_t *optval;
|
|
|
|
ret = wtap_block_get_option_common(block, option_id, WTAP_OPTTYPE_IPv4, &optval);
|
|
if (ret != WTAP_OPTTYPE_SUCCESS)
|
|
return ret;
|
|
*value = optval->ipv4val;
|
|
return WTAP_OPTTYPE_SUCCESS;
|
|
}
|
|
|
|
wtap_opttype_return_val
|
|
wtap_block_add_ipv6_option(wtap_block_t block, guint option_id, ws_in6_addr *value)
|
|
{
|
|
wtap_opttype_return_val ret;
|
|
wtap_option_t *opt;
|
|
|
|
ret = wtap_block_add_option_common(block, option_id, WTAP_OPTTYPE_IPv6, &opt);
|
|
if (ret != WTAP_OPTTYPE_SUCCESS)
|
|
return ret;
|
|
opt->value.ipv6val = *value;
|
|
return WTAP_OPTTYPE_SUCCESS;
|
|
}
|
|
|
|
wtap_opttype_return_val
|
|
wtap_block_set_ipv6_option_value(wtap_block_t block, guint option_id, ws_in6_addr *value)
|
|
{
|
|
wtap_opttype_return_val ret;
|
|
wtap_optval_t *optval;
|
|
|
|
ret = wtap_block_get_option_common(block, option_id, WTAP_OPTTYPE_IPv6, &optval);
|
|
if (ret != WTAP_OPTTYPE_SUCCESS)
|
|
return ret;
|
|
optval->ipv6val = *value;
|
|
return WTAP_OPTTYPE_SUCCESS;
|
|
}
|
|
|
|
wtap_opttype_return_val
|
|
wtap_block_get_ipv6_option_value(wtap_block_t block, guint option_id, ws_in6_addr* value)
|
|
{
|
|
wtap_opttype_return_val ret;
|
|
wtap_optval_t *optval;
|
|
|
|
ret = wtap_block_get_option_common(block, option_id, WTAP_OPTTYPE_IPv4, &optval);
|
|
if (ret != WTAP_OPTTYPE_SUCCESS)
|
|
return ret;
|
|
*value = optval->ipv6val;
|
|
return WTAP_OPTTYPE_SUCCESS;
|
|
}
|
|
|
|
wtap_opttype_return_val
|
|
wtap_block_add_string_option(wtap_block_t block, guint option_id, const char *value, gsize value_length)
|
|
{
|
|
wtap_opttype_return_val ret;
|
|
wtap_option_t *opt;
|
|
|
|
ret = wtap_block_add_option_common(block, option_id, WTAP_OPTTYPE_STRING, &opt);
|
|
if (ret != WTAP_OPTTYPE_SUCCESS)
|
|
return ret;
|
|
opt->value.stringval = g_strndup(value, value_length);
|
|
return WTAP_OPTTYPE_SUCCESS;
|
|
}
|
|
|
|
static wtap_opttype_return_val
|
|
wtap_block_add_string_option_vformat(wtap_block_t block, guint option_id, const char *format, va_list va)
|
|
{
|
|
wtap_opttype_return_val ret;
|
|
wtap_option_t *opt;
|
|
|
|
ret = wtap_block_add_option_common(block, option_id, WTAP_OPTTYPE_STRING, &opt);
|
|
if (ret != WTAP_OPTTYPE_SUCCESS)
|
|
return ret;
|
|
opt->value.stringval = g_strdup_vprintf(format, va);
|
|
return WTAP_OPTTYPE_SUCCESS;
|
|
}
|
|
|
|
wtap_opttype_return_val
|
|
wtap_block_add_string_option_format(wtap_block_t block, guint option_id, const char *format, ...)
|
|
{
|
|
wtap_opttype_return_val ret;
|
|
wtap_option_t *opt;
|
|
va_list va;
|
|
|
|
ret = wtap_block_add_option_common(block, option_id, WTAP_OPTTYPE_STRING, &opt);
|
|
if (ret != WTAP_OPTTYPE_SUCCESS)
|
|
return ret;
|
|
va_start(va, format);
|
|
opt->value.stringval = g_strdup_vprintf(format, va);
|
|
va_end(va);
|
|
return WTAP_OPTTYPE_SUCCESS;
|
|
}
|
|
|
|
wtap_opttype_return_val
|
|
wtap_block_set_string_option_value(wtap_block_t block, guint option_id, const char *value, size_t value_length)
|
|
{
|
|
wtap_opttype_return_val ret;
|
|
wtap_optval_t *optval;
|
|
|
|
ret = wtap_block_get_option_common(block, option_id, WTAP_OPTTYPE_STRING, &optval);
|
|
if (ret != WTAP_OPTTYPE_SUCCESS) {
|
|
if (ret == WTAP_OPTTYPE_NOT_FOUND) {
|
|
/*
|
|
* There's no instance to set, so just try to create a new one
|
|
* with the value.
|
|
*/
|
|
return wtap_block_add_string_option(block, option_id, value, value_length);
|
|
}
|
|
/* Otherwise fail. */
|
|
return ret;
|
|
}
|
|
g_free(optval->stringval);
|
|
optval->stringval = g_strndup(value, value_length);
|
|
return WTAP_OPTTYPE_SUCCESS;
|
|
}
|
|
|
|
wtap_opttype_return_val
|
|
wtap_block_set_nth_string_option_value(wtap_block_t block, guint option_id, guint idx, const char *value, size_t value_length)
|
|
{
|
|
wtap_opttype_return_val ret;
|
|
wtap_optval_t *optval;
|
|
|
|
ret = wtap_block_get_nth_option_common(block, option_id, WTAP_OPTTYPE_STRING, idx, &optval);
|
|
if (ret != WTAP_OPTTYPE_SUCCESS)
|
|
return ret;
|
|
g_free(optval->stringval);
|
|
optval->stringval = g_strndup(value, value_length);
|
|
return WTAP_OPTTYPE_SUCCESS;
|
|
}
|
|
|
|
wtap_opttype_return_val
|
|
wtap_block_set_string_option_value_format(wtap_block_t block, guint option_id, const char *format, ...)
|
|
{
|
|
wtap_opttype_return_val ret;
|
|
wtap_optval_t *optval;
|
|
va_list va;
|
|
|
|
ret = wtap_block_get_option_common(block, option_id, WTAP_OPTTYPE_STRING, &optval);
|
|
if (ret != WTAP_OPTTYPE_SUCCESS) {
|
|
if (ret == WTAP_OPTTYPE_NOT_FOUND) {
|
|
/*
|
|
* There's no instance to set, so just try to create a new one
|
|
* with the formatted string.
|
|
*/
|
|
va_start(va, format);
|
|
ret = wtap_block_add_string_option_vformat(block, option_id, format, va);
|
|
va_end(va);
|
|
return ret;
|
|
}
|
|
/* Otherwise fail. */
|
|
return ret;
|
|
}
|
|
g_free(optval->stringval);
|
|
va_start(va, format);
|
|
optval->stringval = g_strdup_vprintf(format, va);
|
|
va_end(va);
|
|
return WTAP_OPTTYPE_SUCCESS;
|
|
}
|
|
|
|
wtap_opttype_return_val
|
|
wtap_block_set_nth_string_option_value_format(wtap_block_t block, guint option_id, guint idx, const char *format, ...)
|
|
{
|
|
wtap_opttype_return_val ret;
|
|
wtap_optval_t *optval;
|
|
va_list va;
|
|
|
|
ret = wtap_block_get_nth_option_common(block, option_id, WTAP_OPTTYPE_STRING, idx, &optval);
|
|
if (ret != WTAP_OPTTYPE_SUCCESS)
|
|
return ret;
|
|
g_free(optval->stringval);
|
|
va_start(va, format);
|
|
optval->stringval = g_strdup_vprintf(format, va);
|
|
va_end(va);
|
|
return WTAP_OPTTYPE_SUCCESS;
|
|
}
|
|
|
|
wtap_opttype_return_val
|
|
wtap_block_get_string_option_value(wtap_block_t block, guint option_id, char** value)
|
|
{
|
|
wtap_opttype_return_val ret;
|
|
wtap_optval_t *optval;
|
|
|
|
ret = wtap_block_get_option_common(block, option_id, WTAP_OPTTYPE_STRING, &optval);
|
|
if (ret != WTAP_OPTTYPE_SUCCESS)
|
|
return ret;
|
|
*value = optval->stringval;
|
|
return WTAP_OPTTYPE_SUCCESS;
|
|
}
|
|
|
|
wtap_opttype_return_val
|
|
wtap_block_get_nth_string_option_value(wtap_block_t block, guint option_id, guint idx, char** value)
|
|
{
|
|
wtap_opttype_return_val ret;
|
|
wtap_optval_t *optval;
|
|
|
|
ret = wtap_block_get_nth_option_common(block, option_id, WTAP_OPTTYPE_STRING, idx, &optval);
|
|
if (ret != WTAP_OPTTYPE_SUCCESS)
|
|
return ret;
|
|
*value = optval->stringval;
|
|
return WTAP_OPTTYPE_SUCCESS;
|
|
}
|
|
|
|
static if_filter_opt_t if_filter_dup(if_filter_opt_t* filter_src)
|
|
{
|
|
if_filter_opt_t filter_dest;
|
|
|
|
memset(&filter_dest, 0, sizeof(filter_dest));
|
|
|
|
/* Deep copy. */
|
|
filter_dest.type = filter_src->type;
|
|
switch (filter_src->type) {
|
|
|
|
case if_filter_pcap:
|
|
/* pcap filter string */
|
|
filter_dest.data.filter_str =
|
|
g_strdup(filter_src->data.filter_str);
|
|
break;
|
|
|
|
case if_filter_bpf:
|
|
/* BPF program */
|
|
filter_dest.data.bpf_prog.bpf_prog_len =
|
|
filter_src->data.bpf_prog.bpf_prog_len;
|
|
filter_dest.data.bpf_prog.bpf_prog =
|
|
(wtap_bpf_insn_t *)g_memdup(filter_src->data.bpf_prog.bpf_prog,
|
|
filter_src->data.bpf_prog.bpf_prog_len * sizeof (wtap_bpf_insn_t));
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return filter_dest;
|
|
}
|
|
|
|
static void if_filter_free(if_filter_opt_t* filter_src)
|
|
{
|
|
switch (filter_src->type) {
|
|
|
|
case if_filter_pcap:
|
|
/* pcap filter string */
|
|
g_free(filter_src->data.filter_str);
|
|
break;
|
|
|
|
case if_filter_bpf:
|
|
/* BPF program */
|
|
g_free(filter_src->data.bpf_prog.bpf_prog);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
wtap_opttype_return_val
|
|
wtap_block_add_if_filter_option(wtap_block_t block, guint option_id, if_filter_opt_t* value)
|
|
{
|
|
wtap_opttype_return_val ret;
|
|
wtap_option_t *opt;
|
|
|
|
ret = wtap_block_add_option_common(block, option_id, WTAP_OPTTYPE_IF_FILTER, &opt);
|
|
if (ret != WTAP_OPTTYPE_SUCCESS)
|
|
return ret;
|
|
opt->value.if_filterval = if_filter_dup(value);
|
|
return WTAP_OPTTYPE_SUCCESS;
|
|
}
|
|
|
|
wtap_opttype_return_val
|
|
wtap_block_set_if_filter_option_value(wtap_block_t block, guint option_id, if_filter_opt_t* value)
|
|
{
|
|
wtap_opttype_return_val ret;
|
|
wtap_optval_t *optval;
|
|
if_filter_opt_t prev_value;
|
|
|
|
ret = wtap_block_get_option_common(block, option_id, WTAP_OPTTYPE_IF_FILTER, &optval);
|
|
if (ret != WTAP_OPTTYPE_SUCCESS)
|
|
return ret;
|
|
prev_value = optval->if_filterval;
|
|
optval->if_filterval = if_filter_dup(value);
|
|
/* Free after memory is duplicated in case structure was manipulated with a "get then set" */
|
|
if_filter_free(&prev_value);
|
|
|
|
return WTAP_OPTTYPE_SUCCESS;
|
|
}
|
|
|
|
wtap_opttype_return_val
|
|
wtap_block_get_if_filter_option_value(wtap_block_t block, guint option_id, if_filter_opt_t* value)
|
|
{
|
|
wtap_opttype_return_val ret;
|
|
wtap_optval_t *optval;
|
|
|
|
ret = wtap_block_get_option_common(block, option_id, WTAP_OPTTYPE_IF_FILTER, &optval);
|
|
if (ret != WTAP_OPTTYPE_SUCCESS)
|
|
return ret;
|
|
*value = optval->if_filterval;
|
|
return WTAP_OPTTYPE_SUCCESS;
|
|
}
|
|
|
|
wtap_opttype_return_val
|
|
wtap_block_remove_option(wtap_block_t block, guint option_id)
|
|
{
|
|
const wtap_opttype_t *opttype;
|
|
guint i;
|
|
wtap_option_t *opt;
|
|
|
|
opttype = GET_OPTION_TYPE(block->info->options, option_id);
|
|
if (opttype == NULL) {
|
|
/* There's no option for this block with that option ID */
|
|
return WTAP_OPTTYPE_NO_SUCH_OPTION;
|
|
}
|
|
|
|
/*
|
|
* Can there be more than one instance of this option?
|
|
*/
|
|
if (opttype->flags & WTAP_OPTTYPE_FLAG_MULTIPLE_ALLOWED) {
|
|
/*
|
|
* Yes. You can't remove "the" value.
|
|
*/
|
|
return WTAP_OPTTYPE_NUMBER_MISMATCH;
|
|
}
|
|
|
|
for (i = 0; i < block->options->len; i++) {
|
|
opt = &g_array_index(block->options, wtap_option_t, i);
|
|
if (opt->option_id == option_id) {
|
|
/* Found it - free up the value */
|
|
wtap_block_free_option(block, opt);
|
|
/* Remove the option from the array of options */
|
|
g_array_remove_index(block->options, i);
|
|
return WTAP_OPTTYPE_SUCCESS;
|
|
}
|
|
}
|
|
|
|
/* Didn't find the option */
|
|
return WTAP_OPTTYPE_NOT_FOUND;
|
|
}
|
|
|
|
wtap_opttype_return_val
|
|
wtap_block_remove_nth_option_instance(wtap_block_t block, guint option_id,
|
|
guint idx)
|
|
{
|
|
const wtap_opttype_t *opttype;
|
|
guint i;
|
|
wtap_option_t *opt;
|
|
guint opt_idx;
|
|
|
|
opttype = GET_OPTION_TYPE(block->info->options, option_id);
|
|
if (opttype == NULL) {
|
|
/* There's no option for this block with that option ID */
|
|
return WTAP_OPTTYPE_NO_SUCH_OPTION;
|
|
}
|
|
|
|
/*
|
|
* Can there be more than one instance of this option?
|
|
*/
|
|
if (!(opttype->flags & WTAP_OPTTYPE_FLAG_MULTIPLE_ALLOWED)) {
|
|
/*
|
|
* No.
|
|
*/
|
|
return WTAP_OPTTYPE_NUMBER_MISMATCH;
|
|
}
|
|
|
|
opt_idx = 0;
|
|
for (i = 0; i < block->options->len; i++) {
|
|
opt = &g_array_index(block->options, wtap_option_t, i);
|
|
if (opt->option_id == option_id) {
|
|
if (opt_idx == idx) {
|
|
/* Found it - free up the value */
|
|
wtap_block_free_option(block, opt);
|
|
/* Remove the option from the array of options */
|
|
g_array_remove_index(block->options, i);
|
|
return WTAP_OPTTYPE_SUCCESS;
|
|
}
|
|
opt_idx++;
|
|
}
|
|
}
|
|
|
|
/* Didn't find the option */
|
|
return WTAP_OPTTYPE_NOT_FOUND;
|
|
}
|
|
|
|
static void shb_create(wtap_block_t block)
|
|
{
|
|
wtapng_mandatory_section_t* section_mand = g_new(wtapng_mandatory_section_t, 1);
|
|
|
|
section_mand->section_length = -1;
|
|
|
|
block->mandatory_data = section_mand;
|
|
}
|
|
|
|
static void shb_copy_mand(wtap_block_t dest_block, wtap_block_t src_block)
|
|
{
|
|
memcpy(dest_block->mandatory_data, src_block->mandatory_data, sizeof(wtapng_mandatory_section_t));
|
|
}
|
|
|
|
static void nrb_create(wtap_block_t block)
|
|
{
|
|
block->mandatory_data = NULL;
|
|
}
|
|
|
|
static void isb_create(wtap_block_t block)
|
|
{
|
|
block->mandatory_data = g_new0(wtapng_if_stats_mandatory_t, 1);
|
|
}
|
|
|
|
static void isb_copy_mand(wtap_block_t dest_block, wtap_block_t src_block)
|
|
{
|
|
memcpy(dest_block->mandatory_data, src_block->mandatory_data, sizeof(wtapng_if_stats_mandatory_t));
|
|
}
|
|
|
|
static void idb_create(wtap_block_t block)
|
|
{
|
|
block->mandatory_data = g_new0(wtapng_if_descr_mandatory_t, 1);
|
|
}
|
|
|
|
static void idb_free_mand(wtap_block_t block)
|
|
{
|
|
guint j;
|
|
wtap_block_t if_stats;
|
|
wtapng_if_descr_mandatory_t* mand = (wtapng_if_descr_mandatory_t*)block->mandatory_data;
|
|
|
|
for(j = 0; j < mand->num_stat_entries; j++) {
|
|
if_stats = g_array_index(mand->interface_statistics, wtap_block_t, j);
|
|
wtap_block_free(if_stats);
|
|
}
|
|
|
|
if (mand->interface_statistics)
|
|
g_array_free(mand->interface_statistics, TRUE);
|
|
}
|
|
|
|
static void idb_copy_mand(wtap_block_t dest_block, wtap_block_t src_block)
|
|
{
|
|
guint j;
|
|
wtap_block_t src_if_stats, dest_if_stats;
|
|
wtapng_if_descr_mandatory_t *src_mand = (wtapng_if_descr_mandatory_t*)src_block->mandatory_data,
|
|
*dest_mand = (wtapng_if_descr_mandatory_t*)dest_block->mandatory_data;
|
|
|
|
/* Need special consideration for copying of the interface_statistics member */
|
|
if (dest_mand->num_stat_entries != 0)
|
|
g_array_free(dest_mand->interface_statistics, TRUE);
|
|
|
|
memcpy(dest_mand, src_mand, sizeof(wtapng_if_descr_mandatory_t));
|
|
if (src_mand->num_stat_entries != 0)
|
|
{
|
|
dest_mand->interface_statistics = g_array_new(FALSE, FALSE, sizeof(wtap_block_t));
|
|
for (j = 0; j < src_mand->num_stat_entries; j++)
|
|
{
|
|
src_if_stats = g_array_index(src_mand->interface_statistics, wtap_block_t, j);
|
|
dest_if_stats = wtap_block_make_copy(src_if_stats);
|
|
dest_mand->interface_statistics = g_array_append_val(dest_mand->interface_statistics, dest_if_stats);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void dsb_create(wtap_block_t block)
|
|
{
|
|
block->mandatory_data = g_new0(wtapng_dsb_mandatory_t, 1);
|
|
}
|
|
|
|
static void dsb_free_mand(wtap_block_t block)
|
|
{
|
|
wtapng_dsb_mandatory_t *mand = (wtapng_dsb_mandatory_t *)block->mandatory_data;
|
|
g_free(mand->secrets_data);
|
|
}
|
|
|
|
static void dsb_copy_mand(wtap_block_t dest_block, wtap_block_t src_block)
|
|
{
|
|
wtapng_dsb_mandatory_t *src = (wtapng_dsb_mandatory_t *)src_block->mandatory_data;
|
|
wtapng_dsb_mandatory_t *dst = (wtapng_dsb_mandatory_t *)dest_block->mandatory_data;
|
|
dst->secrets_type = src->secrets_type;
|
|
dst->secrets_len = src->secrets_len;
|
|
g_free(dst->secrets_data);
|
|
dst->secrets_data = (guint8 *)g_memdup(src->secrets_data, src->secrets_len);
|
|
}
|
|
|
|
void wtap_opttypes_initialize(void)
|
|
{
|
|
static wtap_blocktype_t shb_block = {
|
|
WTAP_BLOCK_SECTION, /* block_type */
|
|
"SHB", /* name */
|
|
"Section Header Block", /* description */
|
|
shb_create, /* create */
|
|
NULL, /* free_mand */
|
|
shb_copy_mand, /* copy_mand */
|
|
NULL /* options */
|
|
};
|
|
static const wtap_opttype_t shb_hardware = {
|
|
"hardware",
|
|
"SHB Hardware",
|
|
WTAP_OPTTYPE_STRING,
|
|
0
|
|
};
|
|
static const wtap_opttype_t shb_os = {
|
|
"os",
|
|
"SHB Operating System",
|
|
WTAP_OPTTYPE_STRING,
|
|
0
|
|
};
|
|
static const wtap_opttype_t shb_userappl = {
|
|
"user_appl",
|
|
"SHB User Application",
|
|
WTAP_OPTTYPE_STRING,
|
|
0
|
|
};
|
|
|
|
static wtap_blocktype_t idb_block = {
|
|
WTAP_BLOCK_IF_ID_AND_INFO, /* block_type */
|
|
"IDB", /* name */
|
|
"Interface Description Block", /* description */
|
|
idb_create, /* create */
|
|
idb_free_mand, /* free_mand */
|
|
idb_copy_mand, /* copy_mand */
|
|
NULL /* options */
|
|
};
|
|
static const wtap_opttype_t if_name = {
|
|
"name",
|
|
"IDB Name",
|
|
WTAP_OPTTYPE_STRING,
|
|
0
|
|
};
|
|
static const wtap_opttype_t if_description = {
|
|
"description",
|
|
"IDB Description",
|
|
WTAP_OPTTYPE_STRING,
|
|
0
|
|
};
|
|
static const wtap_opttype_t if_speed = {
|
|
"speed",
|
|
"IDB Speed",
|
|
WTAP_OPTTYPE_UINT64,
|
|
0
|
|
};
|
|
static const wtap_opttype_t if_tsresol = {
|
|
"tsresol",
|
|
"IDB Time Stamp Resolution",
|
|
WTAP_OPTTYPE_UINT8, /* XXX - signed? */
|
|
0
|
|
};
|
|
static const wtap_opttype_t if_filter = {
|
|
"filter",
|
|
"IDB Filter",
|
|
WTAP_OPTTYPE_IF_FILTER,
|
|
0
|
|
};
|
|
static const wtap_opttype_t if_os = {
|
|
"os",
|
|
"IDB Operating System",
|
|
WTAP_OPTTYPE_STRING,
|
|
0
|
|
};
|
|
static const wtap_opttype_t if_fcslen = {
|
|
"fcslen",
|
|
"IDB FCS Length",
|
|
WTAP_OPTTYPE_UINT8,
|
|
0
|
|
};
|
|
static const wtap_opttype_t if_hardware = {
|
|
"hardware",
|
|
"IDB Hardware",
|
|
WTAP_OPTTYPE_STRING,
|
|
0
|
|
};
|
|
|
|
static wtap_blocktype_t dsb_block = {
|
|
WTAP_BLOCK_DECRYPTION_SECRETS,
|
|
"DSB",
|
|
"Decryption Secrets Block",
|
|
dsb_create,
|
|
dsb_free_mand,
|
|
dsb_copy_mand,
|
|
NULL
|
|
};
|
|
|
|
static wtap_blocktype_t nrb_block = {
|
|
WTAP_BLOCK_NAME_RESOLUTION, /* block_type */
|
|
"NRB", /* name */
|
|
"Name Resolution Block", /* description */
|
|
nrb_create, /* create */
|
|
NULL, /* free_mand */
|
|
NULL, /* copy_mand */
|
|
NULL /* options */
|
|
};
|
|
static const wtap_opttype_t ns_dnsname = {
|
|
"dnsname",
|
|
"NRB DNS server name",
|
|
WTAP_OPTTYPE_STRING,
|
|
0
|
|
};
|
|
static const wtap_opttype_t ns_dnsIP4addr = {
|
|
"dnsIP4addr",
|
|
"NRB DNS server IPv4 address",
|
|
WTAP_OPTTYPE_IPv4,
|
|
0
|
|
};
|
|
static const wtap_opttype_t ns_dnsIP6addr = {
|
|
"dnsIP6addr",
|
|
"NRB DNS server IPv6 address",
|
|
WTAP_OPTTYPE_IPv6,
|
|
0
|
|
};
|
|
|
|
static wtap_blocktype_t isb_block = {
|
|
WTAP_BLOCK_IF_STATISTICS, /* block_type */
|
|
"ISB", /* name */
|
|
"Interface Statistics Block", /* description */
|
|
isb_create, /* create */
|
|
NULL, /* free_mand */
|
|
isb_copy_mand, /* copy_mand */
|
|
NULL /* options */
|
|
};
|
|
static const wtap_opttype_t isb_starttime = {
|
|
"starttime",
|
|
"ISB Start Time",
|
|
WTAP_OPTTYPE_UINT64,
|
|
0
|
|
};
|
|
static const wtap_opttype_t isb_endtime = {
|
|
"endtime",
|
|
"ISB End Time",
|
|
WTAP_OPTTYPE_UINT64,
|
|
0
|
|
};
|
|
static const wtap_opttype_t isb_ifrecv = {
|
|
"ifrecv",
|
|
"ISB Received Packets",
|
|
WTAP_OPTTYPE_UINT64,
|
|
0
|
|
};
|
|
static const wtap_opttype_t isb_ifdrop = {
|
|
"ifdrop",
|
|
"ISB Dropped Packets",
|
|
WTAP_OPTTYPE_UINT64,
|
|
0
|
|
};
|
|
static const wtap_opttype_t isb_filteraccept = {
|
|
"filteraccept",
|
|
"ISB Packets Accepted By Filter",
|
|
WTAP_OPTTYPE_UINT64,
|
|
0
|
|
};
|
|
static const wtap_opttype_t isb_osdrop = {
|
|
"osdrop",
|
|
"ISB Packets Dropped By The OS",
|
|
WTAP_OPTTYPE_UINT64,
|
|
0
|
|
};
|
|
static const wtap_opttype_t isb_usrdeliv = {
|
|
"usrdeliv",
|
|
"ISB Packets Delivered To The User",
|
|
WTAP_OPTTYPE_UINT64,
|
|
0
|
|
};
|
|
|
|
/*
|
|
* Register the SHB and the options that can appear in it.
|
|
*/
|
|
wtap_opttype_block_register(&shb_block);
|
|
wtap_opttype_option_register(&shb_block, OPT_SHB_HARDWARE, &shb_hardware);
|
|
wtap_opttype_option_register(&shb_block, OPT_SHB_OS, &shb_os);
|
|
wtap_opttype_option_register(&shb_block, OPT_SHB_USERAPPL, &shb_userappl);
|
|
|
|
/*
|
|
* Register the IDB and the options that can appear in it.
|
|
*/
|
|
wtap_opttype_block_register(&idb_block);
|
|
wtap_opttype_option_register(&idb_block, OPT_IDB_NAME, &if_name);
|
|
wtap_opttype_option_register(&idb_block, OPT_IDB_DESCR, &if_description);
|
|
wtap_opttype_option_register(&idb_block, OPT_IDB_SPEED, &if_speed);
|
|
wtap_opttype_option_register(&idb_block, OPT_IDB_TSRESOL, &if_tsresol);
|
|
wtap_opttype_option_register(&idb_block, OPT_IDB_FILTER, &if_filter);
|
|
wtap_opttype_option_register(&idb_block, OPT_IDB_OS, &if_os);
|
|
wtap_opttype_option_register(&idb_block, OPT_IDB_FCSLEN, &if_fcslen);
|
|
wtap_opttype_option_register(&idb_block, OPT_IDB_HARDWARE, &if_hardware);
|
|
|
|
/*
|
|
* Register the NRB and the options that can appear in it.
|
|
*/
|
|
wtap_opttype_block_register(&nrb_block);
|
|
wtap_opttype_option_register(&nrb_block, OPT_NS_DNSNAME, &ns_dnsname);
|
|
wtap_opttype_option_register(&nrb_block, OPT_NS_DNSIP4ADDR, &ns_dnsIP4addr);
|
|
wtap_opttype_option_register(&nrb_block, OPT_NS_DNSIP6ADDR, &ns_dnsIP6addr);
|
|
|
|
/*
|
|
* Register the ISB and the options that can appear in it.
|
|
*/
|
|
wtap_opttype_block_register(&isb_block);
|
|
wtap_opttype_option_register(&isb_block, OPT_ISB_STARTTIME, &isb_starttime);
|
|
wtap_opttype_option_register(&isb_block, OPT_ISB_ENDTIME, &isb_endtime);
|
|
wtap_opttype_option_register(&isb_block, OPT_ISB_IFRECV, &isb_ifrecv);
|
|
wtap_opttype_option_register(&isb_block, OPT_ISB_IFDROP, &isb_ifdrop);
|
|
wtap_opttype_option_register(&isb_block, OPT_ISB_FILTERACCEPT, &isb_filteraccept);
|
|
wtap_opttype_option_register(&isb_block, OPT_ISB_OSDROP, &isb_osdrop);
|
|
wtap_opttype_option_register(&isb_block, OPT_ISB_USRDELIV, &isb_usrdeliv);
|
|
|
|
/*
|
|
* Register the DSB, currently no options are defined.
|
|
*/
|
|
wtap_opttype_block_register(&dsb_block);
|
|
}
|
|
|
|
void wtap_opttypes_cleanup(void)
|
|
{
|
|
guint block_type;
|
|
|
|
for (block_type = (guint)WTAP_BLOCK_SECTION;
|
|
block_type < (guint)MAX_WTAP_BLOCK_TYPE_VALUE; block_type++) {
|
|
if (blocktype_list[block_type]) {
|
|
if (blocktype_list[block_type]->options)
|
|
g_hash_table_destroy(blocktype_list[block_type]->options);
|
|
blocktype_list[block_type] = NULL;
|
|
}
|
|
}
|
|
}
|