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q3rally/engine/code/game/g_svcmds.c
zturtleman 0e7ddc331a Miscellaneous Game VM bug fixes 
Bug fixes found by viewing differences from ioquake3. There is some unrelated whitespace and 0 to NULL changes.

bg_misc.c -- ioq3 and my bugfix
g_cmds.c -- ioq3 bugfix
g_combat.c -- ioq3 and my bugfix
g_main.c -- q3, ioq3, and my bugfix
g_mover.c -- ioq3 bugfix
g_svcmds.c -- q3 bugfix
g_team.c -- ioq3 bugfix
2017-11-17 03:37:02 +00:00

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/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
Copyright (C) 2002-2015 Q3Rally Team (Per Thormann - q3rally@gmail.com)
This file is part of q3rally source code.
q3rally source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
q3rally source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with q3rally; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
//
// this file holds commands that can be executed by the server console, but not remote clients
#include "g_local.h"
/*
==============================================================================
PACKET FILTERING
You can add or remove addresses from the filter list with:
addip <ip>
removeip <ip>
The ip address is specified in dot format, and you can use '*' to match any value
so you can specify an entire class C network with "addip 192.246.40.*"
Removeip will only remove an address specified exactly the same way. You cannot addip a subnet, then removeip a single host.
listip
Prints the current list of filters.
g_filterban <0 or 1>
If 1 (the default), then ip addresses matching the current list will be prohibited from entering the game. This is the default setting.
If 0, then only addresses matching the list will be allowed. This lets you easily set up a private game, or a game that only allows players from your local network.
TTimo NOTE: for persistence, bans are stored in g_banIPs cvar MAX_CVAR_VALUE_STRING
The size of the cvar string buffer is limiting the banning to around 20 masks
this could be improved by putting some g_banIPs2 g_banIps3 etc. maybe
still, you should rely on PB for banning instead
==============================================================================
*/
typedef struct ipFilter_s
{
unsigned mask;
unsigned compare;
} ipFilter_t;
#define MAX_IPFILTERS 1024
static ipFilter_t ipFilters[MAX_IPFILTERS];
static int numIPFilters;
/*
=================
StringToFilter
=================
*/
static qboolean StringToFilter (char *s, ipFilter_t *f)
{
char num[128];
int i, j;
byte b[4];
byte m[4];
for (i=0 ; i<4 ; i++)
{
b[i] = 0;
m[i] = 0;
}
for (i=0 ; i<4 ; i++)
{
if (*s < '0' || *s > '9')
{
if (*s == '*') // 'match any'
{
// b[i] and m[i] to 0
s++;
if (!*s)
break;
s++;
continue;
}
G_Printf( "Bad filter address: %s\n", s );
return qfalse;
}
j = 0;
while (*s >= '0' && *s <= '9')
{
num[j++] = *s++;
}
num[j] = 0;
b[i] = atoi(num);
m[i] = 255;
if (!*s)
break;
s++;
}
f->mask = *(unsigned *)m;
f->compare = *(unsigned *)b;
return qtrue;
}
/*
=================
UpdateIPBans
=================
*/
static void UpdateIPBans (void)
{
byte b[4] = {0};
byte m[4] = {0};
int i,j;
char iplist_final[MAX_CVAR_VALUE_STRING] = {0};
char ip[64] = {0};
*iplist_final = 0;
for (i = 0 ; i < numIPFilters ; i++)
{
if (ipFilters[i].compare == 0xffffffff)
continue;
*(unsigned *)b = ipFilters[i].compare;
*(unsigned *)m = ipFilters[i].mask;
*ip = 0;
for (j = 0 ; j < 4 ; j++)
{
if (m[j]!=255)
Q_strcat(ip, sizeof(ip), "*");
else
Q_strcat(ip, sizeof(ip), va("%i", b[j]));
Q_strcat(ip, sizeof(ip), (j<3) ? "." : " ");
}
if (strlen(iplist_final)+strlen(ip) < MAX_CVAR_VALUE_STRING)
{
Q_strcat( iplist_final, sizeof(iplist_final), ip);
}
else
{
Com_Printf("g_banIPs overflowed at MAX_CVAR_VALUE_STRING\n");
break;
}
}
trap_Cvar_Set( "g_banIPs", iplist_final );
}
/*
=================
G_FilterPacket
=================
*/
qboolean G_FilterPacket (char *from)
{
int i;
unsigned in;
byte m[4] = {0};
char *p;
i = 0;
p = from;
while (*p && i < 4) {
m[i] = 0;
while (*p >= '0' && *p <= '9') {
m[i] = m[i]*10 + (*p - '0');
p++;
}
if (!*p || *p == ':')
break;
i++, p++;
}
in = *(unsigned *)m;
for (i=0 ; i<numIPFilters ; i++)
if ( (in & ipFilters[i].mask) == ipFilters[i].compare)
return g_filterBan.integer != 0;
return g_filterBan.integer == 0;
}
/*
=================
AddIP
=================
*/
static void AddIP( char *str )
{
int i;
for (i = 0 ; i < numIPFilters ; i++)
if (ipFilters[i].compare == 0xffffffff)
break; // free spot
if (i == numIPFilters)
{
if (numIPFilters == MAX_IPFILTERS)
{
G_Printf ("IP filter list is full\n");
return;
}
numIPFilters++;
}
if (!StringToFilter (str, &ipFilters[i]))
ipFilters[i].compare = 0xffffffffu;
UpdateIPBans();
}
/*
=================
G_ProcessIPBans
=================
*/
void G_ProcessIPBans(void)
{
char *s, *t;
char str[MAX_CVAR_VALUE_STRING];
Q_strncpyz( str, g_banIPs.string, sizeof(str) );
for (t = s = g_banIPs.string; *t; /* */ ) {
s = strchr(s, ' ');
if (!s)
break;
while (*s == ' ')
*s++ = 0;
if (*t)
AddIP( t );
t = s;
}
}
/*
=================
Svcmd_AddIP_f
=================
*/
void Svcmd_AddIP_f (void)
{
char str[MAX_TOKEN_CHARS];
if ( trap_Argc() < 2 ) {
G_Printf("Usage: addip <ip-mask>\n");
return;
}
trap_Argv( 1, str, sizeof( str ) );
AddIP( str );
}
/*
=================
Svcmd_RemoveIP_f
=================
*/
void Svcmd_RemoveIP_f (void)
{
ipFilter_t f;
int i;
char str[MAX_TOKEN_CHARS];
if ( trap_Argc() < 2 ) {
G_Printf("Usage: removeip <ip-mask>\n");
return;
}
trap_Argv( 1, str, sizeof( str ) );
if (!StringToFilter (str, &f))
return;
for (i=0 ; i<numIPFilters ; i++) {
if (ipFilters[i].mask == f.mask &&
ipFilters[i].compare == f.compare) {
ipFilters[i].compare = 0xffffffffu;
G_Printf ("Removed.\n");
UpdateIPBans();
return;
}
}
G_Printf ( "Didn't find %s.\n", str );
}
/*
===================
Svcmd_EntityList_f
===================
*/
void Svcmd_EntityList_f (void) {
int e;
gentity_t *check;
check = g_entities;
for (e = 0; e < level.num_entities ; e++, check++) {
if ( !check->inuse ) {
continue;
}
G_Printf("%3i:", e);
switch ( check->s.eType ) {
case ET_GENERAL:
G_Printf("ET_GENERAL ");
break;
case ET_PLAYER:
G_Printf("ET_PLAYER ");
break;
case ET_ITEM:
G_Printf("ET_ITEM ");
break;
case ET_MISSILE:
G_Printf("ET_MISSILE ");
break;
case ET_MOVER:
G_Printf("ET_MOVER ");
break;
case ET_BEAM:
G_Printf("ET_BEAM ");
break;
case ET_PORTAL:
G_Printf("ET_PORTAL ");
break;
case ET_SPEAKER:
G_Printf("ET_SPEAKER ");
break;
case ET_PUSH_TRIGGER:
G_Printf("ET_PUSH_TRIGGER ");
break;
case ET_TELEPORT_TRIGGER:
G_Printf("ET_TELEPORT_TRIGGER ");
break;
case ET_INVISIBLE:
G_Printf("ET_INVISIBLE ");
break;
// STONELANCE
/*
case ET_GRAPPLE:
G_Printf("ET_GRAPPLE ");
break;
*/
case ET_CHECKPOINT:
G_Printf("ET_CHECKPOINT ");
break;
case ET_AUXENT:
G_Printf("ET_AUXENT ");
break;
case ET_WEATHER:
G_Printf("ET_WEATHER ");
break;
case ET_SCRIPTED:
G_Printf("ET_SCRIPTED ");
break;
// END
default:
G_Printf("%3i ", check->s.eType);
break;
}
if ( check->classname ) {
G_Printf("%s", check->classname);
}
G_Printf("\n");
}
}
gclient_t *ClientForString( const char *s ) {
gclient_t *cl;
int i;
int idnum;
// numeric values are just slot numbers
if ( s[0] >= '0' && s[0] <= '9' ) {
idnum = atoi( s );
if ( idnum < 0 || idnum >= level.maxclients ) {
Com_Printf( "Bad client slot: %i\n", idnum );
return NULL;
}
cl = &level.clients[idnum];
if ( cl->pers.connected == CON_DISCONNECTED ) {
G_Printf( "Client %i is not connected\n", idnum );
return NULL;
}
return cl;
}
// check for a name match
for ( i=0 ; i < level.maxclients ; i++ ) {
cl = &level.clients[i];
if ( cl->pers.connected == CON_DISCONNECTED ) {
continue;
}
if ( !Q_stricmp( cl->pers.netname, s ) ) {
return cl;
}
}
G_Printf( "User %s is not on the server\n", s );
return NULL;
}
/*
===================
Svcmd_ForceTeam_f
forceteam <player> <team>
===================
*/
void Svcmd_ForceTeam_f( void ) {
gclient_t *cl;
char str[MAX_TOKEN_CHARS];
if ( trap_Argc() < 3 ) {
G_Printf("Usage: forceteam <player> <team>\n");
return;
}
// find the player
trap_Argv( 1, str, sizeof( str ) );
cl = ClientForString( str );
if ( !cl ) {
return;
}
// set the team
trap_Argv( 2, str, sizeof( str ) );
SetTeam( &g_entities[cl - level.clients], str );
}
char *ConcatArgs( int start );
/*
=================
ConsoleCommand
=================
*/
qboolean ConsoleCommand( void ) {
char cmd[MAX_TOKEN_CHARS];
trap_Argv( 0, cmd, sizeof( cmd ) );
if ( Q_stricmp (cmd, "entitylist") == 0 ) {
Svcmd_EntityList_f();
return qtrue;
}
if ( Q_stricmp (cmd, "forceteam") == 0 ) {
Svcmd_ForceTeam_f();
return qtrue;
}
if (Q_stricmp (cmd, "game_memory") == 0) {
Svcmd_GameMem_f();
return qtrue;
}
if (Q_stricmp (cmd, "addbot") == 0) {
Svcmd_AddBot_f();
return qtrue;
}
if (Q_stricmp (cmd, "botlist") == 0) {
Svcmd_BotList_f();
return qtrue;
}
if (Q_stricmp (cmd, "abort_podium") == 0) {
Svcmd_AbortPodium_f();
return qtrue;
}
if (Q_stricmp (cmd, "addip") == 0) {
Svcmd_AddIP_f();
return qtrue;
}
if (Q_stricmp (cmd, "removeip") == 0) {
Svcmd_RemoveIP_f();
return qtrue;
}
if (Q_stricmp (cmd, "listip") == 0) {
trap_SendConsoleCommand( EXEC_NOW, "g_banIPs\n" );
return qtrue;
}
if (g_dedicated.integer) {
if (Q_stricmp (cmd, "say") == 0) {
trap_SendServerCommand( -1, va("print \"server: %s\n\"", ConcatArgs(1) ) );
return qtrue;
}
// everything else will also be printed as a say command
trap_SendServerCommand( -1, va("print \"server: %s\n\"", ConcatArgs(0) ) );
return qtrue;
}
return qfalse;
}
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