489 lines
8.8 KiB
C
489 lines
8.8 KiB
C
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// Copyright (C) 1999-2000 Id Software, Inc.
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//
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// this file holds commands that can be executed by the server console, but not remote clients
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#include "g_local.h"
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/*
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==============================================================================
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PACKET FILTERING
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You can add or remove addresses from the filter list with:
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addip <ip>
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removeip <ip>
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The ip address is specified in dot format, and you can use '*' to match any value
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so you can specify an entire class C network with "addip 192.246.40.*"
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Removeip will only remove an address specified exactly the same way. You cannot addip a subnet, then removeip a single host.
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listip
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Prints the current list of filters.
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g_filterban <0 or 1>
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If 1 (the default), then ip addresses matching the current list will be prohibited from entering the game. This is the default setting.
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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.
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TTimo NOTE: for persistence, bans are stored in g_banIPs cvar MAX_CVAR_VALUE_STRING
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The size of the cvar string buffer is limiting the banning to around 20 masks
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this could be improved by putting some g_banIPs2 g_banIps3 etc. maybe
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still, you should rely on PB for banning instead
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==============================================================================
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*/
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typedef struct ipFilter_s
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{
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unsigned mask;
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unsigned compare;
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} ipFilter_t;
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#define MAX_IPFILTERS 1024
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static ipFilter_t ipFilters[MAX_IPFILTERS];
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static int numIPFilters;
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/*
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=================
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StringToFilter
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=================
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*/
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static qboolean StringToFilter (char *s, ipFilter_t *f)
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{
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char num[128];
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int i, j;
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byte b[4];
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byte m[4];
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for (i=0 ; i<4 ; i++)
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{
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b[i] = 0;
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m[i] = 0;
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}
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for (i=0 ; i<4 ; i++)
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{
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if (*s < '0' || *s > '9')
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{
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if (*s == '*') // 'match any'
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{
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// b[i] and m[i] to 0
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s++;
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if (!*s)
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break;
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s++;
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continue;
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}
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G_Printf( "Bad filter address: %s\n", s );
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return qfalse;
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}
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j = 0;
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while (*s >= '0' && *s <= '9')
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{
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num[j++] = *s++;
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}
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num[j] = 0;
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b[i] = atoi(num);
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m[i] = 255;
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if (!*s)
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break;
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s++;
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}
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f->mask = *(unsigned *)m;
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f->compare = *(unsigned *)b;
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return qtrue;
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}
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/*
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=================
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UpdateIPBans
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=================
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*/
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static void UpdateIPBans (void)
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{
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byte b[4];
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byte m[4];
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int i,j;
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char iplist_final[MAX_CVAR_VALUE_STRING];
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char ip[64];
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*iplist_final = 0;
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for (i = 0 ; i < numIPFilters ; i++)
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{
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if (ipFilters[i].compare == 0xffffffff)
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continue;
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*(unsigned *)b = ipFilters[i].compare;
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*(unsigned *)m = ipFilters[i].mask;
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*ip = 0;
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for (j = 0 ; j < 4 ; j++)
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{
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if (m[j]!=255)
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Q_strcat(ip, sizeof(ip), "*");
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else
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Q_strcat(ip, sizeof(ip), va("%i", b[j]));
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Q_strcat(ip, sizeof(ip), (j<3) ? "." : " ");
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}
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if (strlen(iplist_final)+strlen(ip) < MAX_CVAR_VALUE_STRING)
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{
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Q_strcat( iplist_final, sizeof(iplist_final), ip);
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}
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else
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{
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Com_Printf("g_banIPs overflowed at MAX_CVAR_VALUE_STRING\n");
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break;
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}
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}
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trap_Cvar_Set( "g_banIPs", iplist_final );
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}
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/*
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=================
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G_FilterPacket
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=================
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*/
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qboolean G_FilterPacket (char *from)
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{
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int i;
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unsigned in;
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byte m[4];
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char *p;
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i = 0;
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p = from;
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while (*p && i < 4) {
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m[i] = 0;
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while (*p >= '0' && *p <= '9') {
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m[i] = m[i]*10 + (*p - '0');
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p++;
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}
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if (!*p || *p == ':')
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break;
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i++, p++;
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}
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in = *(unsigned *)m;
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for (i=0 ; i<numIPFilters ; i++)
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if ( (in & ipFilters[i].mask) == ipFilters[i].compare)
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return g_filterBan.integer != 0;
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return g_filterBan.integer == 0;
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}
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/*
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=================
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AddIP
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=================
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*/
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static void AddIP( char *str )
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{
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int i;
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for (i = 0 ; i < numIPFilters ; i++)
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if (ipFilters[i].compare == 0xffffffff)
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break; // free spot
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if (i == numIPFilters)
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{
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if (numIPFilters == MAX_IPFILTERS)
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{
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G_Printf ("IP filter list is full\n");
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return;
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}
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numIPFilters++;
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}
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if (!StringToFilter (str, &ipFilters[i]))
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ipFilters[i].compare = 0xffffffffu;
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UpdateIPBans();
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}
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/*
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=================
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G_ProcessIPBans
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=================
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*/
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void G_ProcessIPBans(void)
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{
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char *s, *t;
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char str[MAX_CVAR_VALUE_STRING];
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Q_strncpyz( str, g_banIPs.string, sizeof(str) );
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for (t = s = g_banIPs.string; *t; /* */ ) {
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s = strchr(s, ' ');
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if (!s)
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break;
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while (*s == ' ')
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*s++ = 0;
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if (*t)
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AddIP( t );
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t = s;
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}
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}
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/*
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=================
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Svcmd_AddIP_f
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=================
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*/
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void Svcmd_AddIP_f (void)
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{
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char str[MAX_TOKEN_CHARS];
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if ( trap_Argc() < 2 ) {
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G_Printf("Usage: addip <ip-mask>\n");
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return;
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}
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trap_Argv( 1, str, sizeof( str ) );
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AddIP( str );
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}
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/*
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=================
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Svcmd_RemoveIP_f
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=================
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*/
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void Svcmd_RemoveIP_f (void)
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{
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ipFilter_t f;
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int i;
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char str[MAX_TOKEN_CHARS];
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if ( trap_Argc() < 2 ) {
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G_Printf("Usage: sv removeip <ip-mask>\n");
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return;
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}
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trap_Argv( 1, str, sizeof( str ) );
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if (!StringToFilter (str, &f))
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return;
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for (i=0 ; i<numIPFilters ; i++) {
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if (ipFilters[i].mask == f.mask &&
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ipFilters[i].compare == f.compare) {
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ipFilters[i].compare = 0xffffffffu;
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G_Printf ("Removed.\n");
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UpdateIPBans();
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return;
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}
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}
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G_Printf ( "Didn't find %s.\n", str );
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}
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/*
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===================
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Svcmd_EntityList_f
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===================
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*/
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void Svcmd_EntityList_f (void) {
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int e;
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gentity_t *check;
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check = g_entities+1;
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for (e = 1; e < level.num_entities ; e++, check++) {
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if ( !check->inuse ) {
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continue;
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}
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G_Printf("%3i:", e);
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switch ( check->s.eType ) {
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case ET_GENERAL:
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G_Printf("ET_GENERAL ");
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break;
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case ET_PLAYER:
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G_Printf("ET_PLAYER ");
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break;
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case ET_ITEM:
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G_Printf("ET_ITEM ");
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break;
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case ET_MISSILE:
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G_Printf("ET_MISSILE ");
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break;
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case ET_MOVER:
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G_Printf("ET_MOVER ");
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break;
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case ET_BEAM:
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G_Printf("ET_BEAM ");
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break;
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case ET_PORTAL:
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G_Printf("ET_PORTAL ");
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break;
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case ET_SPEAKER:
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G_Printf("ET_SPEAKER ");
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break;
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case ET_PUSH_TRIGGER:
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G_Printf("ET_PUSH_TRIGGER ");
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break;
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case ET_TELEPORT_TRIGGER:
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G_Printf("ET_TELEPORT_TRIGGER ");
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break;
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case ET_INVISIBLE:
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G_Printf("ET_INVISIBLE ");
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break;
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case ET_GRAPPLE:
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G_Printf("ET_GRAPPLE ");
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break;
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default:
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G_Printf("%3i ", check->s.eType);
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break;
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}
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if ( check->classname ) {
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G_Printf("%s", check->classname);
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}
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G_Printf("\n");
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}
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}
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gclient_t *ClientForString( const char *s ) {
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gclient_t *cl;
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int i;
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int idnum;
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// numeric values are just slot numbers
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if ( s[0] >= '0' && s[0] <= '9' ) {
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idnum = atoi( s );
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if ( idnum < 0 || idnum >= level.maxclients ) {
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Com_Printf( "Bad client slot: %i\n", idnum );
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return NULL;
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}
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cl = &level.clients[idnum];
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if ( cl->pers.connected == CON_DISCONNECTED ) {
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G_Printf( "Client %i is not connected\n", idnum );
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return NULL;
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}
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return cl;
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}
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// check for a name match
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for ( i=0 ; i < level.maxclients ; i++ ) {
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cl = &level.clients[i];
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if ( cl->pers.connected == CON_DISCONNECTED ) {
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continue;
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}
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if ( !Q_stricmp( cl->pers.netname, s ) ) {
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return cl;
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}
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}
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G_Printf( "User %s is not on the server\n", s );
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return NULL;
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}
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/*
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===================
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Svcmd_ForceTeam_f
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forceteam <player> <team>
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===================
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*/
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void Svcmd_ForceTeam_f( void ) {
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gclient_t *cl;
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char str[MAX_TOKEN_CHARS];
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// find the player
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trap_Argv( 1, str, sizeof( str ) );
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cl = ClientForString( str );
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if ( !cl ) {
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return;
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}
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// set the team
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trap_Argv( 2, str, sizeof( str ) );
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SetTeam( &g_entities[cl - level.clients], str );
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}
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char *ConcatArgs( int start );
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/*
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=================
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ConsoleCommand
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|
||
|
|
=================
|
||
|
|
*/
|
||
|
|
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\"", ConcatArgs(1) ) );
|
||
|
|
return qtrue;
|
||
|
|
}
|
||
|
|
// everything else will also be printed as a say command
|
||
|
|
trap_SendServerCommand( -1, va("print \"server: %s\"", ConcatArgs(0) ) );
|
||
|
|
return qtrue;
|
||
|
|
}
|
||
|
|
|
||
|
|
return qfalse;
|
||
|
|
}
|
||
|
|
|