130 lines
3.4 KiB
C
130 lines
3.4 KiB
C
/* services.c
|
|
*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
* Copyright 1998 Gerald Combs
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
#include "services.h"
|
|
#include <stdlib.h>
|
|
|
|
#include "services-data.c"
|
|
|
|
|
|
static int
|
|
compare_entry(const void *a, const void *b)
|
|
{
|
|
return *(const uint16_t *)a - ((const ws_services_entry_t *)b)->port;
|
|
}
|
|
|
|
static inline
|
|
size_t global_tcp_udp_services_table_count(void)
|
|
{
|
|
return G_N_ELEMENTS(global_tcp_udp_services_table);
|
|
}
|
|
|
|
static inline
|
|
size_t global_tcp_services_table_count(void)
|
|
{
|
|
return G_N_ELEMENTS(global_tcp_services_table);
|
|
}
|
|
|
|
static inline
|
|
size_t global_udp_services_table_count(void)
|
|
{
|
|
return G_N_ELEMENTS(global_udp_services_table);
|
|
}
|
|
|
|
static inline
|
|
size_t global_sctp_services_table_count(void)
|
|
{
|
|
return G_N_ELEMENTS(global_sctp_services_table);
|
|
}
|
|
|
|
static inline
|
|
size_t global_dccp_services_table_count(void)
|
|
{
|
|
return G_N_ELEMENTS(global_dccp_services_table);
|
|
}
|
|
|
|
ws_services_entry_t const *
|
|
global_services_lookup(uint16_t value, ws_services_proto_t proto)
|
|
{
|
|
ws_services_entry_t const *list1 = NULL, *list2 = NULL;
|
|
size_t list1_size, list2_size;
|
|
ws_services_entry_t const *found;
|
|
|
|
switch (proto) {
|
|
case ws_tcp:
|
|
list1 = global_tcp_udp_services_table;
|
|
list1_size = global_tcp_udp_services_table_count();
|
|
list2 = global_tcp_services_table;
|
|
list2_size = global_tcp_services_table_count();
|
|
break;
|
|
case ws_udp:
|
|
list1 = global_tcp_udp_services_table;
|
|
list1_size = global_tcp_udp_services_table_count();
|
|
list2 = global_udp_services_table;
|
|
list2_size = global_udp_services_table_count();
|
|
break;
|
|
case ws_sctp:
|
|
list1 = global_sctp_services_table;
|
|
list1_size = global_sctp_services_table_count();
|
|
break;
|
|
case ws_dccp:
|
|
list1 = global_dccp_services_table;
|
|
list1_size = global_dccp_services_table_count();
|
|
break;
|
|
default:
|
|
ws_assert_not_reached();
|
|
}
|
|
|
|
if (list1) {
|
|
found = bsearch(&value, list1, list1_size, sizeof(ws_services_entry_t), compare_entry);
|
|
if (found) {
|
|
return found;
|
|
}
|
|
}
|
|
|
|
if (list2) {
|
|
found = bsearch(&value, list2, list2_size, sizeof(ws_services_entry_t), compare_entry);
|
|
if (found) {
|
|
return found;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
global_services_dump(FILE *fp)
|
|
{
|
|
ws_services_entry_t const *ptr;
|
|
|
|
/* Brute-force approach... */
|
|
for (uint16_t num = 0; num <= _services_max_port && num < UINT16_MAX; num++) {
|
|
/* TCP */
|
|
ptr = global_services_lookup(num, ws_tcp);
|
|
if (ptr != NULL) {
|
|
fprintf(fp, "%s\t%"PRIu16"\ttcp\t%s\n", ptr->name, num, ptr->description);
|
|
}
|
|
/* UDP */
|
|
ptr = global_services_lookup(num, ws_udp);
|
|
if (ptr != NULL) {
|
|
fprintf(fp, "%s\t%"PRIu16"\tudp\t%s\n", ptr->name, num, ptr->description);
|
|
}
|
|
/* SCTP */
|
|
ptr = global_services_lookup(num, ws_sctp);
|
|
if (ptr != NULL) {
|
|
fprintf(fp, "%s\t%"PRIu16"\tsctp\t%s\n", ptr->name, num, ptr->description);
|
|
}
|
|
/* DCCP */
|
|
ptr = global_services_lookup(num, ws_dccp);
|
|
if (ptr != NULL) {
|
|
fprintf(fp, "%s\t%"PRIu16"\tdccp\t%s\n", ptr->name, num, ptr->description);
|
|
}
|
|
}
|
|
}
|