forked from osmocom/wireshark
![Guy Harris](/assets/img/avatar_default.png)
It's not tied to the frame_data structure any more, so it belongs by itself. Clean up some #includes while we're at it; in particular, frame_data.h doesn't use anything related to tvbuffs, so don't have it gratuitiously include tvbuff.h. Change-Id: Ic32922d4a3840bac47007c5d4c546b8842245e0c Reviewed-on: https://code.wireshark.org/review/13518 Reviewed-by: Guy Harris <guy@alum.mit.edu>
832 lines
28 KiB
C
832 lines
28 KiB
C
/* conversations_table.c
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* conversations_table 2003 Ronnie Sahlberg
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* Helper routines common to all endpoint conversations tap.
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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 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <string.h>
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#include "proto.h"
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#include "packet_info.h"
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#include "conversation_table.h"
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#include "addr_resolv.h"
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#include "stat_tap_ui.h"
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struct register_ct {
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gboolean hide_ports; /* hide TCP / UDP port columns */
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int proto_id; /* protocol id (0-indexed) */
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tap_packet_cb conv_func; /* function to be called for new incoming packets for conversation*/
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tap_packet_cb host_func; /* function to be called for new incoming packets for hostlist */
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conv_gui_init_cb conv_gui_init; /* GUI specific function to initialize conversation */
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host_gui_init_cb host_gui_init; /* GUI specific function to initialize hostlist */
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};
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gboolean get_conversation_hide_ports(register_ct_t* ct)
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{
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return ct->hide_ports;
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}
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int get_conversation_proto_id(register_ct_t* ct)
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{
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if (!ct) {
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return -1;
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}
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return ct->proto_id;
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}
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tap_packet_cb get_conversation_packet_func(register_ct_t* ct)
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{
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return ct->conv_func;
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}
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tap_packet_cb get_hostlist_packet_func(register_ct_t* ct)
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{
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return ct->host_func;
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}
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static GSList *registered_ct_tables = NULL;
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void
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dissector_conversation_init(const char *opt_arg, void* userdata)
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{
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register_ct_t *table = (register_ct_t*)userdata;
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GString *cmd_str = g_string_new("conv,");
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const char *filter=NULL;
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g_string_append(cmd_str, proto_get_protocol_filter_name(table->proto_id));
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if(!strncmp(opt_arg, cmd_str->str, cmd_str->len)){
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if (opt_arg[cmd_str->len] == ',') {
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filter = opt_arg + cmd_str->len + 1;
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}
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}
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g_string_free(cmd_str, TRUE);
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if (table->conv_gui_init)
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table->conv_gui_init(table, filter);
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}
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void
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dissector_hostlist_init(const char *opt_arg, void* userdata)
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{
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register_ct_t *table = (register_ct_t*)userdata;
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GString *cmd_str = g_string_new("");
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const char *filter=NULL;
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g_string_printf(cmd_str, "%s,%s,", HOSTLIST_TAP_PREFIX, proto_get_protocol_filter_name(table->proto_id));
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if(!strncmp(opt_arg, cmd_str->str, cmd_str->len)){
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if (opt_arg[cmd_str->len] == ',') {
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filter = opt_arg + cmd_str->len + 1;
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}
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} else {
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filter=NULL;
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}
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g_string_free(cmd_str, TRUE);
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if (table->host_gui_init)
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table->host_gui_init(table, filter);
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}
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/** get conversation from protocol ID
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*
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* @param proto_id protocol ID
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* @return tap function handler of conversation
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*/
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register_ct_t* get_conversation_by_proto_id(int proto_id)
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{
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GSList *ct;
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register_ct_t *table;
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for(ct = registered_ct_tables; ct != NULL; ct = g_slist_next(ct)){
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table = (register_ct_t*)ct->data;
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if ((table) && (table->proto_id == proto_id))
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return table;
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}
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return NULL;
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}
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static gint
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insert_sorted_by_table_name(gconstpointer aparam, gconstpointer bparam)
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{
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const register_ct_t *a = (const register_ct_t *)aparam;
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const register_ct_t *b = (const register_ct_t *)bparam;
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return g_ascii_strcasecmp(proto_get_protocol_short_name(find_protocol_by_id(a->proto_id)), proto_get_protocol_short_name(find_protocol_by_id(b->proto_id)));
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}
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void
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register_conversation_table(const int proto_id, gboolean hide_ports, tap_packet_cb conv_packet_func, tap_packet_cb hostlist_func)
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{
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register_ct_t *table;
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table = g_new(register_ct_t,1);
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table->hide_ports = hide_ports;
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table->proto_id = proto_id;
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table->conv_func = conv_packet_func;
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table->host_func = hostlist_func;
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table->conv_gui_init = NULL;
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table->host_gui_init = NULL;
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registered_ct_tables = g_slist_insert_sorted(registered_ct_tables, table, insert_sorted_by_table_name);
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}
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/* Set GUI fields for register_ct list */
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static void
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set_conv_gui_data(gpointer data, gpointer user_data)
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{
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GString *conv_cmd_str = g_string_new("conv,");
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stat_tap_ui ui_info;
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register_ct_t *table = (register_ct_t*)data;
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table->conv_gui_init = (conv_gui_init_cb)user_data;
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g_string_append(conv_cmd_str, proto_get_protocol_filter_name(table->proto_id));
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ui_info.group = REGISTER_STAT_GROUP_CONVERSATION_LIST;
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ui_info.title = NULL; /* construct this from the protocol info? */
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ui_info.cli_string = g_string_free(conv_cmd_str, FALSE);
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ui_info.tap_init_cb = dissector_conversation_init;
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ui_info.nparams = 0;
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ui_info.params = NULL;
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register_stat_tap_ui(&ui_info, table);
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}
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void conversation_table_set_gui_info(conv_gui_init_cb init_cb)
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{
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g_slist_foreach(registered_ct_tables, set_conv_gui_data, init_cb);
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}
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static void
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set_host_gui_data(gpointer data, gpointer user_data)
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{
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GString *host_cmd_str = g_string_new("");
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stat_tap_ui ui_info;
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register_ct_t *table = (register_ct_t*)data;
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table->host_gui_init = (host_gui_init_cb)user_data;
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g_string_printf(host_cmd_str, "%s,%s", HOSTLIST_TAP_PREFIX, proto_get_protocol_filter_name(table->proto_id));
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ui_info.group = REGISTER_STAT_GROUP_ENDPOINT_LIST;
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ui_info.title = NULL; /* construct this from the protocol info? */
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ui_info.cli_string = g_string_free(host_cmd_str, FALSE);
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ui_info.tap_init_cb = dissector_hostlist_init;
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ui_info.nparams = 0;
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ui_info.params = NULL;
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register_stat_tap_ui(&ui_info, table);
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}
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void hostlist_table_set_gui_info(host_gui_init_cb init_cb)
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{
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g_slist_foreach(registered_ct_tables, set_host_gui_data, init_cb);
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}
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void conversation_table_iterate_tables(GFunc func, gpointer user_data)
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{
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g_slist_foreach(registered_ct_tables, func, user_data);
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}
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guint conversation_table_get_num(void)
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{
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return g_slist_length(registered_ct_tables);
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}
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register_ct_t *get_conversation_table_by_num(guint table_num)
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{
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return (register_ct_t *) g_slist_nth_data(registered_ct_tables, table_num);
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}
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/** Compute the hash value for two given address/port pairs.
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* (Parameter type is gconstpointer for GHashTable compatibility.)
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*
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* @param v Conversation Key. MUST point to a conv_key_t struct.
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* @return Computed key hash.
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*/
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static guint
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conversation_hash(gconstpointer v)
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{
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const conv_key_t *key = (const conv_key_t *)v;
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guint hash_val;
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hash_val = 0;
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hash_val = add_address_to_hash(hash_val, &key->addr1);
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hash_val += key->port1;
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hash_val = add_address_to_hash(hash_val, &key->addr2);
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hash_val += key->port2;
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hash_val ^= key->conv_id;
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return hash_val;
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}
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/** Compare two conversation keys for an exact match.
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* (Parameter types are gconstpointer for GHashTable compatibility.)
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*
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* @param key1 First conversation. MUST point to a conv_key_t struct.
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* @param key2 Second conversation. MUST point to a conv_key_t struct.
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* @return TRUE if conversations are equal, FALSE otherwise.
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*/
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static gboolean
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conversation_equal(gconstpointer key1, gconstpointer key2)
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{
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const conv_key_t *ck1 = (const conv_key_t *)key1;
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const conv_key_t *ck2 = (const conv_key_t *)key2;
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if (ck1->conv_id == ck2->conv_id)
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{
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if (ck1->port1 == ck2->port1 &&
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ck1->port2 == ck2->port2 &&
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addresses_equal(&ck1->addr1, &ck2->addr1) &&
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addresses_equal(&ck1->addr2, &ck2->addr2)) {
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return TRUE;
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}
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if (ck1->port2 == ck2->port1 &&
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ck1->port1 == ck2->port2 &&
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addresses_equal(&ck1->addr2, &ck2->addr1) &&
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addresses_equal(&ck1->addr1, &ck2->addr2)) {
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return TRUE;
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}
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}
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/*
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* The addresses, ports, or conversation IDs don't match.
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*/
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return FALSE;
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}
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void
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reset_conversation_table_data(conv_hash_t *ch)
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{
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if (!ch) {
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return;
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}
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if (ch->conv_array != NULL) {
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guint i;
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for(i = 0; i < ch->conv_array->len; i++){
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conv_item_t *conv = &g_array_index(ch->conv_array, conv_item_t, i);
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g_free((gpointer)conv->src_address.data);
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g_free((gpointer)conv->dst_address.data);
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}
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g_array_free(ch->conv_array, TRUE);
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}
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if (ch->hashtable != NULL) {
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g_hash_table_destroy(ch->hashtable);
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}
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ch->conv_array=NULL;
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ch->hashtable=NULL;
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}
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void reset_hostlist_table_data(conv_hash_t *ch)
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{
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if (!ch) {
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return;
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}
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if (ch->conv_array != NULL) {
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guint i;
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for(i = 0; i < ch->conv_array->len; i++){
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hostlist_talker_t *host = &g_array_index(ch->conv_array, hostlist_talker_t, i);
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g_free((gpointer)host->myaddress.data);
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}
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g_array_free(ch->conv_array, TRUE);
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}
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if (ch->hashtable != NULL) {
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g_hash_table_destroy(ch->hashtable);
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}
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ch->conv_array=NULL;
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ch->hashtable=NULL;
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}
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char *get_conversation_address(wmem_allocator_t *allocator, address *addr, gboolean resolve_names)
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{
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if (resolve_names) {
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return address_to_display(allocator, addr);
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} else {
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return address_to_str(allocator, addr);
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}
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}
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char *get_conversation_port(wmem_allocator_t *allocator, guint32 port, port_type ptype, gboolean resolve_names)
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{
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if(!resolve_names) ptype = PT_NONE;
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switch(ptype) {
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case(PT_TCP):
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return tcp_port_to_display(allocator, port);
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case(PT_UDP):
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return udp_port_to_display(allocator, port);
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case(PT_SCTP):
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return sctp_port_to_display(allocator, port);
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default:
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return wmem_strdup_printf(allocator, "%d", port);
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}
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}
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/* given an address (to distinguish between ipv4 and ipv6 for tcp/udp),
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a port_type and a name_type (FN_...)
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return a string for the filter name.
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Some addresses, like AT_ETHER may actually be any of multiple types
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of protocols, either ethernet, tokenring, fddi, wlan etc so we must be
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more specific there; that's why we need specific_addr_type.
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*/
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static const char *
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conversation_get_filter_name(conv_item_t *conv_item, conv_filter_type_e filter_type)
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{
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if ((conv_item == NULL) || (conv_item->dissector_info == NULL) || (conv_item->dissector_info->get_filter_type == NULL)) {
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return CONV_FILTER_INVALID;
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}
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return conv_item->dissector_info->get_filter_type(conv_item, filter_type);
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}
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static const char *
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hostlist_get_filter_name(hostlist_talker_t *host, conv_filter_type_e filter_type)
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{
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if ((host == NULL) || (host->dissector_info == NULL) || (host->dissector_info->get_filter_type == NULL)) {
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return CONV_FILTER_INVALID;
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}
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return host->dissector_info->get_filter_type(host, filter_type);
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}
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/* Convert a port number into a string or NULL */
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static char *
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ct_port_to_str(port_type ptype, guint32 port)
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{
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switch(ptype){
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case PT_TCP:
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case PT_UDP:
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case PT_SCTP:
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case PT_NCP:
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return g_strdup_printf("%d", port);
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default:
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break;
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}
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return NULL;
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}
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char *get_conversation_filter(conv_item_t *conv_item, conv_direction_e direction)
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{
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char *sport, *dport, *src_addr, *dst_addr;
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char *str;
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sport = ct_port_to_str(conv_item->ptype, conv_item->src_port);
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dport = ct_port_to_str(conv_item->ptype, conv_item->dst_port);
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src_addr = address_to_str(NULL, &conv_item->src_address);
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dst_addr = address_to_str(NULL, &conv_item->dst_address);
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if (conv_item->src_address.type == AT_STRINGZ || conv_item->src_address.type == AT_USB) {
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char *new_addr;
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new_addr = wmem_strdup_printf(NULL, "\"%s\"", src_addr);
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wmem_free(NULL, src_addr);
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src_addr = new_addr;
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}
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if (conv_item->dst_address.type == AT_STRINGZ || conv_item->dst_address.type == AT_USB) {
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char *new_addr;
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new_addr = wmem_strdup_printf(NULL, "\"%s\"", dst_addr);
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wmem_free(NULL, dst_addr);
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dst_addr = new_addr;
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}
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switch(direction){
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case CONV_DIR_A_TO_FROM_B:
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/* A <-> B */
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str = wmem_strdup_printf(NULL, "%s==%s%s%s%s%s && %s==%s%s%s%s%s",
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conversation_get_filter_name(conv_item, CONV_FT_ANY_ADDRESS),
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src_addr,
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sport?" && ":"",
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sport?conversation_get_filter_name(conv_item, CONV_FT_ANY_PORT):"",
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sport?"==":"",
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sport?sport:"",
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conversation_get_filter_name(conv_item, CONV_FT_ANY_ADDRESS),
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dst_addr,
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dport?" && ":"",
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dport?conversation_get_filter_name(conv_item, CONV_FT_ANY_PORT):"",
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dport?"==":"",
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dport?dport:""
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);
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break;
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case CONV_DIR_A_TO_B:
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/* A --> B */
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str = wmem_strdup_printf(NULL, "%s==%s%s%s%s%s && %s==%s%s%s%s%s",
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conversation_get_filter_name(conv_item, CONV_FT_SRC_ADDRESS),
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src_addr,
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sport?" && ":"",
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sport?conversation_get_filter_name(conv_item, CONV_FT_SRC_PORT):"",
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sport?"==":"",
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sport?sport:"",
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conversation_get_filter_name(conv_item, CONV_FT_DST_ADDRESS),
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dst_addr,
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dport?" && ":"",
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dport?conversation_get_filter_name(conv_item, CONV_FT_DST_PORT):"",
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dport?"==":"",
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dport?dport:""
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);
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break;
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case CONV_DIR_A_FROM_B:
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/* A <-- B */
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str = wmem_strdup_printf(NULL, "%s==%s%s%s%s%s && %s==%s%s%s%s%s",
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conversation_get_filter_name(conv_item, CONV_FT_DST_ADDRESS),
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src_addr,
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sport?" && ":"",
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sport?conversation_get_filter_name(conv_item, CONV_FT_DST_PORT):"",
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sport?"==":"",
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sport?sport:"",
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conversation_get_filter_name(conv_item, CONV_FT_SRC_ADDRESS),
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dst_addr,
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dport?" && ":"",
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dport?conversation_get_filter_name(conv_item, CONV_FT_SRC_PORT):"",
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dport?"==":"",
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dport?dport:""
|
|
);
|
|
break;
|
|
case CONV_DIR_A_TO_FROM_ANY:
|
|
/* A <-> ANY */
|
|
str = wmem_strdup_printf(NULL, "%s==%s%s%s%s%s",
|
|
conversation_get_filter_name(conv_item, CONV_FT_ANY_ADDRESS),
|
|
src_addr,
|
|
sport?" && ":"",
|
|
sport?conversation_get_filter_name(conv_item, CONV_FT_ANY_PORT):"",
|
|
sport?"==":"",
|
|
sport?sport:""
|
|
);
|
|
break;
|
|
case CONV_DIR_A_TO_ANY:
|
|
/* A --> ANY */
|
|
str = wmem_strdup_printf(NULL, "%s==%s%s%s%s%s",
|
|
conversation_get_filter_name(conv_item, CONV_FT_SRC_ADDRESS),
|
|
src_addr,
|
|
sport?" && ":"",
|
|
sport?conversation_get_filter_name(conv_item, CONV_FT_SRC_PORT):"",
|
|
sport?"==":"",
|
|
sport?sport:""
|
|
);
|
|
break;
|
|
case CONV_DIR_A_FROM_ANY:
|
|
/* A <-- ANY */
|
|
str = wmem_strdup_printf(NULL, "%s==%s%s%s%s%s",
|
|
conversation_get_filter_name(conv_item, CONV_FT_DST_ADDRESS),
|
|
src_addr,
|
|
sport?" && ":"",
|
|
sport?conversation_get_filter_name(conv_item, CONV_FT_DST_PORT):"",
|
|
sport?"==":"",
|
|
sport?sport:""
|
|
);
|
|
break;
|
|
case CONV_DIR_ANY_TO_FROM_B:
|
|
/* ANY <-> B */
|
|
str = wmem_strdup_printf(NULL, "%s==%s%s%s%s%s",
|
|
conversation_get_filter_name(conv_item, CONV_FT_ANY_ADDRESS),
|
|
dst_addr,
|
|
dport?" && ":"",
|
|
dport?conversation_get_filter_name(conv_item, CONV_FT_ANY_PORT):"",
|
|
dport?"==":"",
|
|
dport?dport:""
|
|
);
|
|
break;
|
|
case CONV_DIR_ANY_FROM_B:
|
|
/* ANY <-- B */
|
|
str = wmem_strdup_printf(NULL, "%s==%s%s%s%s%s",
|
|
conversation_get_filter_name(conv_item, CONV_FT_SRC_ADDRESS),
|
|
dst_addr,
|
|
dport?" && ":"",
|
|
dport?conversation_get_filter_name(conv_item, CONV_FT_SRC_PORT):"",
|
|
dport?"==":"",
|
|
dport?dport:""
|
|
);
|
|
break;
|
|
case CONV_DIR_ANY_TO_B:
|
|
/* ANY --> B */
|
|
str = wmem_strdup_printf(NULL, "%s==%s%s%s%s%s",
|
|
conversation_get_filter_name(conv_item, CONV_FT_DST_ADDRESS),
|
|
dst_addr,
|
|
dport?" && ":"",
|
|
dport?conversation_get_filter_name(conv_item, CONV_FT_DST_PORT):"",
|
|
dport?"==":"",
|
|
dport?dport:""
|
|
);
|
|
break;
|
|
default:
|
|
str = wmem_strdup(NULL, "INVALID");
|
|
break;
|
|
}
|
|
g_free(sport);
|
|
g_free(dport);
|
|
wmem_free(NULL, src_addr);
|
|
wmem_free(NULL, dst_addr);
|
|
return str;
|
|
}
|
|
|
|
char *get_hostlist_filter(hostlist_talker_t *host)
|
|
{
|
|
char *sport, *src_addr;
|
|
char *str;
|
|
|
|
sport = ct_port_to_str(host->ptype, host->port);
|
|
src_addr = address_to_str(NULL, &host->myaddress);
|
|
if (host->myaddress.type == AT_STRINGZ || host->myaddress.type == AT_USB) {
|
|
char *new_addr;
|
|
|
|
new_addr = wmem_strdup_printf(NULL, "\"%s\"", src_addr);
|
|
wmem_free(NULL, src_addr);
|
|
src_addr = new_addr;
|
|
}
|
|
|
|
str = g_strdup_printf("%s==%s%s%s%s%s",
|
|
hostlist_get_filter_name(host, CONV_FT_ANY_ADDRESS),
|
|
src_addr,
|
|
sport?" && ":"",
|
|
sport?hostlist_get_filter_name(host, CONV_FT_ANY_PORT):"",
|
|
sport?"==":"",
|
|
sport?sport:"");
|
|
|
|
g_free(sport);
|
|
wmem_free(NULL, src_addr);
|
|
return str;
|
|
}
|
|
|
|
void
|
|
add_conversation_table_data(conv_hash_t *ch, const address *src, const address *dst, guint32 src_port, guint32 dst_port, int num_frames, int num_bytes,
|
|
nstime_t *ts, nstime_t *abs_ts, ct_dissector_info_t *ct_info, port_type ptype)
|
|
{
|
|
add_conversation_table_data_with_conv_id(ch, src, dst, src_port, dst_port, CONV_ID_UNSET, num_frames, num_bytes, ts, abs_ts, ct_info, ptype);
|
|
}
|
|
|
|
void
|
|
add_conversation_table_data_with_conv_id(
|
|
conv_hash_t *ch,
|
|
const address *src,
|
|
const address *dst,
|
|
guint32 src_port,
|
|
guint32 dst_port,
|
|
conv_id_t conv_id,
|
|
int num_frames,
|
|
int num_bytes,
|
|
nstime_t *ts,
|
|
nstime_t *abs_ts,
|
|
ct_dissector_info_t *ct_info,
|
|
port_type ptype)
|
|
{
|
|
const address *addr1, *addr2;
|
|
guint32 port1, port2;
|
|
conv_item_t *conv_item = NULL;
|
|
unsigned int conversation_idx = 0;
|
|
|
|
if (src_port > dst_port) {
|
|
addr1 = src;
|
|
addr2 = dst;
|
|
port1 = src_port;
|
|
port2 = dst_port;
|
|
} else if (src_port < dst_port) {
|
|
addr2 = src;
|
|
addr1 = dst;
|
|
port2 = src_port;
|
|
port1 = dst_port;
|
|
} else if (cmp_address(src, dst) < 0) {
|
|
addr1 = src;
|
|
addr2 = dst;
|
|
port1 = src_port;
|
|
port2 = dst_port;
|
|
} else {
|
|
addr2 = src;
|
|
addr1 = dst;
|
|
port2 = src_port;
|
|
port1 = dst_port;
|
|
}
|
|
|
|
/* if we don't have any entries at all yet */
|
|
if (ch->conv_array == NULL) {
|
|
ch->conv_array = g_array_sized_new(FALSE, FALSE, sizeof(conv_item_t), 10000);
|
|
|
|
ch->hashtable = g_hash_table_new_full(conversation_hash,
|
|
conversation_equal, /* key_equal_func */
|
|
g_free, /* key_destroy_func */
|
|
NULL); /* value_destroy_func */
|
|
|
|
} else {
|
|
/* try to find it among the existing known conversations */
|
|
conv_key_t existing_key;
|
|
gpointer conversation_idx_hash_val;
|
|
|
|
existing_key.addr1 = *addr1;
|
|
existing_key.addr2 = *addr2;
|
|
existing_key.port1 = port1;
|
|
existing_key.port2 = port2;
|
|
existing_key.conv_id = conv_id;
|
|
if (g_hash_table_lookup_extended(ch->hashtable, &existing_key, NULL, &conversation_idx_hash_val)) {
|
|
conv_item = &g_array_index(ch->conv_array, conv_item_t, GPOINTER_TO_UINT(conversation_idx_hash_val));
|
|
}
|
|
}
|
|
|
|
/* if we still don't know what conversation this is it has to be a new one
|
|
and we have to allocate it and append it to the end of the list */
|
|
if (conv_item == NULL) {
|
|
conv_key_t *new_key;
|
|
conv_item_t new_conv_item;
|
|
|
|
copy_address(&new_conv_item.src_address, addr1);
|
|
copy_address(&new_conv_item.dst_address, addr2);
|
|
new_conv_item.dissector_info = ct_info;
|
|
new_conv_item.ptype = ptype;
|
|
new_conv_item.src_port = port1;
|
|
new_conv_item.dst_port = port2;
|
|
new_conv_item.conv_id = conv_id;
|
|
new_conv_item.rx_frames = 0;
|
|
new_conv_item.tx_frames = 0;
|
|
new_conv_item.rx_bytes = 0;
|
|
new_conv_item.tx_bytes = 0;
|
|
new_conv_item.modified = TRUE;
|
|
|
|
if (ts) {
|
|
memcpy(&new_conv_item.start_time, ts, sizeof(new_conv_item.start_time));
|
|
memcpy(&new_conv_item.stop_time, ts, sizeof(new_conv_item.stop_time));
|
|
memcpy(&new_conv_item.start_abs_time, abs_ts, sizeof(new_conv_item.start_abs_time));
|
|
} else {
|
|
nstime_set_unset(&new_conv_item.start_abs_time);
|
|
nstime_set_unset(&new_conv_item.start_time);
|
|
nstime_set_unset(&new_conv_item.stop_time);
|
|
}
|
|
g_array_append_val(ch->conv_array, new_conv_item);
|
|
conversation_idx = ch->conv_array->len - 1;
|
|
conv_item = &g_array_index(ch->conv_array, conv_item_t, conversation_idx);
|
|
|
|
/* ct->conversations address is not a constant but src/dst_address.data are */
|
|
new_key = g_new(conv_key_t, 1);
|
|
set_address(&new_key->addr1, conv_item->src_address.type, conv_item->src_address.len, conv_item->src_address.data);
|
|
set_address(&new_key->addr2, conv_item->dst_address.type, conv_item->dst_address.len, conv_item->dst_address.data);
|
|
new_key->port1 = port1;
|
|
new_key->port2 = port2;
|
|
new_key->conv_id = conv_id;
|
|
g_hash_table_insert(ch->hashtable, new_key, GUINT_TO_POINTER(conversation_idx));
|
|
}
|
|
|
|
/* update the conversation struct */
|
|
conv_item->modified = TRUE;
|
|
if ( (!cmp_address(src, addr1)) && (!cmp_address(dst, addr2)) && (src_port==port1) && (dst_port==port2) ) {
|
|
conv_item->tx_frames += num_frames;
|
|
conv_item->tx_bytes += num_bytes;
|
|
} else {
|
|
conv_item->rx_frames += num_frames;
|
|
conv_item->rx_bytes += num_bytes;
|
|
}
|
|
|
|
if (ts) {
|
|
if (nstime_cmp(ts, &conv_item->stop_time) > 0) {
|
|
memcpy(&conv_item->stop_time, ts, sizeof(conv_item->stop_time));
|
|
} else if (nstime_cmp(ts, &conv_item->start_time) < 0) {
|
|
memcpy(&conv_item->start_time, ts, sizeof(conv_item->start_time));
|
|
memcpy(&conv_item->start_abs_time, abs_ts, sizeof(conv_item->start_abs_time));
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Compute the hash value for a given address/port pairs if the match
|
|
* is to be exact.
|
|
*/
|
|
static guint
|
|
host_hash(gconstpointer v)
|
|
{
|
|
const host_key_t *key = (const host_key_t *)v;
|
|
guint hash_val;
|
|
|
|
hash_val = 0;
|
|
hash_val = add_address_to_hash(hash_val, &key->myaddress);
|
|
hash_val += key->port;
|
|
return hash_val;
|
|
}
|
|
|
|
/*
|
|
* Compare two host keys for an exact match.
|
|
*/
|
|
static gint
|
|
host_match(gconstpointer v, gconstpointer w)
|
|
{
|
|
const host_key_t *v1 = (const host_key_t *)v;
|
|
const host_key_t *v2 = (const host_key_t *)w;
|
|
|
|
if (v1->port == v2->port &&
|
|
addresses_equal(&v1->myaddress, &v2->myaddress)) {
|
|
return 1;
|
|
}
|
|
/*
|
|
* The addresses or the ports don't match.
|
|
*/
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
add_hostlist_table_data(conv_hash_t *ch, const address *addr, guint32 port, gboolean sender, int num_frames, int num_bytes, hostlist_dissector_info_t *host_info, port_type port_type_val)
|
|
{
|
|
hostlist_talker_t *talker=NULL;
|
|
int talker_idx=0;
|
|
|
|
/* XXX should be optimized to allocate n extra entries at a time
|
|
instead of just one */
|
|
/* if we don't have any entries at all yet */
|
|
if(ch->conv_array==NULL){
|
|
ch->conv_array=g_array_sized_new(FALSE, FALSE, sizeof(hostlist_talker_t), 10000);
|
|
ch->hashtable = g_hash_table_new_full(host_hash,
|
|
host_match, /* key_equal_func */
|
|
g_free, /* key_destroy_func */
|
|
NULL); /* value_destroy_func */
|
|
}
|
|
else {
|
|
/* try to find it among the existing known conversations */
|
|
host_key_t existing_key;
|
|
gpointer talker_idx_hash_val;
|
|
|
|
existing_key.myaddress = *addr;
|
|
existing_key.port = port;
|
|
|
|
if (g_hash_table_lookup_extended(ch->hashtable, &existing_key, NULL, &talker_idx_hash_val)) {
|
|
talker = &g_array_index(ch->conv_array, hostlist_talker_t, GPOINTER_TO_UINT(talker_idx_hash_val));
|
|
}
|
|
}
|
|
|
|
/* if we still don't know what talker this is it has to be a new one
|
|
and we have to allocate it and append it to the end of the list */
|
|
if(talker==NULL){
|
|
host_key_t *new_key;
|
|
hostlist_talker_t host;
|
|
|
|
copy_address(&host.myaddress, addr);
|
|
host.dissector_info = host_info;
|
|
host.ptype=port_type_val;
|
|
host.port=port;
|
|
host.rx_frames=0;
|
|
host.tx_frames=0;
|
|
host.rx_bytes=0;
|
|
host.tx_bytes=0;
|
|
host.modified = TRUE;
|
|
|
|
g_array_append_val(ch->conv_array, host);
|
|
talker_idx= ch->conv_array->len - 1;
|
|
talker=&g_array_index(ch->conv_array, hostlist_talker_t, talker_idx);
|
|
|
|
/* hl->hosts address is not a constant but address.data is */
|
|
new_key = g_new(host_key_t,1);
|
|
set_address(&new_key->myaddress, talker->myaddress.type, talker->myaddress.len, talker->myaddress.data);
|
|
new_key->port = port;
|
|
g_hash_table_insert(ch->hashtable, new_key, GUINT_TO_POINTER(talker_idx));
|
|
}
|
|
|
|
/* if this is a new talker we need to initialize the struct */
|
|
talker->modified = TRUE;
|
|
|
|
/* update the talker struct */
|
|
if( sender ){
|
|
talker->tx_frames+=num_frames;
|
|
talker->tx_bytes+=num_bytes;
|
|
} else {
|
|
talker->rx_frames+=num_frames;
|
|
talker->rx_bytes+=num_bytes;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Editor modelines
|
|
*
|
|
* Local Variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* ex: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|