g_svcmds.c File Reference

#include "g_local.h"

Go to the source code of this file.

Classes
struct	ipfilter_t

Macros
#define	MAX_IPFILTERS   1024

Functions
void	Svcmd_Test_f (void)
static qboolean	StringToFilter (char *s, ipfilter_t *f)
qboolean	SV_FilterPacket (char *from)
void	SVCmd_AddIP_f (void)
void	SVCmd_RemoveIP_f (void)
void	SVCmd_ListIP_f (void)
void	SVCmd_WriteIP_f (void)
void	ServerCommand (void)

Variables
ipfilter_t	ipfilters [MAX_IPFILTERS]
int	numipfilters

Macro Definition Documentation

MAX_IPFILTERS

#define MAX_IPFILTERS   1024

Definition at line 63 of file g_svcmds.c.

Function Documentation

ServerCommand()

void ServerCommand

(

void

)

Definition at line 275 of file g_svcmds.c.

{
    char    *cmd;
 
    cmd = gi.argv(1);
    if (Q_stricmp(cmd, "test") == 0)
        Svcmd_Test_f();
    else if (Q_stricmp(cmd, "addip") == 0)
        SVCmd_AddIP_f();
    else if (Q_stricmp(cmd, "removeip") == 0)
        SVCmd_RemoveIP_f();
    else if (Q_stricmp(cmd, "listip") == 0)
        SVCmd_ListIP_f();
    else if (Q_stricmp(cmd, "writeip") == 0)
        SVCmd_WriteIP_f();
    else
        gi.cprintf(NULL, PRINT_HIGH, "Unknown server command \"%s\"\n", cmd);
}

Referenced by GetGameAPI().

StringToFilter()

static qboolean StringToFilter ( char *  s, ipfilter_t *  f  )

static

Definition at line 73 of file g_svcmds.c.

{
    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') {
            gi.cprintf(NULL, PRINT_HIGH, "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);
        if (b[i] != 0)
            m[i] = 255;
 
        if (!*s)
            break;
        s++;
    }
 
    f->mask = *(unsigned *)m;
    f->compare = *(unsigned *)b;
 
    return qtrue;
}

Referenced by SVCmd_AddIP_f(), and SVCmd_RemoveIP_f().

SV_FilterPacket()

qboolean SV_FilterPacket

(

char *

from

)

Definition at line 116 of file g_svcmds.c.

{
    int     i;
    unsigned    in;
    byte m[4];
    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 (int)filterban->value;
 
    return (int)!filterban->value;
}

Referenced by ClientConnect().

SVCmd_AddIP_f()

void SVCmd_AddIP_f

(

void

)

Definition at line 151 of file g_svcmds.c.

{
    int     i;
 
    if (gi.argc() < 3) {
        gi.cprintf(NULL, PRINT_HIGH, "Usage:  addip <ip-mask>\n");
        return;
    }
 
    for (i = 0 ; i < numipfilters ; i++)
        if (ipfilters[i].compare == 0xffffffff)
            break;      // free spot
    if (i == numipfilters) {
        if (numipfilters == MAX_IPFILTERS) {
            gi.cprintf(NULL, PRINT_HIGH, "IP filter list is full\n");
            return;
        }
        numipfilters++;
    }
 
    if (!StringToFilter(gi.argv(2), &ipfilters[i]))
        ipfilters[i].compare = 0xffffffff;
}

Referenced by ServerCommand().

SVCmd_ListIP_f()

void SVCmd_ListIP_f

(

void

)

Definition at line 210 of file g_svcmds.c.

{
    int     i;
    byte    b[4];
 
    gi.cprintf(NULL, PRINT_HIGH, "Filter list:\n");
    for (i = 0 ; i < numipfilters ; i++) {
        *(unsigned *)b = ipfilters[i].compare;
        gi.cprintf(NULL, PRINT_HIGH, "%3i.%3i.%3i.%3i\n", b[0], b[1], b[2], b[3]);
    }
}

Referenced by ServerCommand().

SVCmd_RemoveIP_f()

void SVCmd_RemoveIP_f

(

void

)

Definition at line 180 of file g_svcmds.c.

{
    ipfilter_t  f;
    int         i, j;
 
    if (gi.argc() < 3) {
        gi.cprintf(NULL, PRINT_HIGH, "Usage:  sv removeip <ip-mask>\n");
        return;
    }
 
    if (!StringToFilter(gi.argv(2), &f))
        return;
 
    for (i = 0 ; i < numipfilters ; i++)
        if (ipfilters[i].mask == f.mask
            && ipfilters[i].compare == f.compare) {
            for (j = i + 1 ; j < numipfilters ; j++)
                ipfilters[j - 1] = ipfilters[j];
            numipfilters--;
            gi.cprintf(NULL, PRINT_HIGH, "Removed.\n");
            return;
        }
    gi.cprintf(NULL, PRINT_HIGH, "Didn't find %s.\n", gi.argv(2));
}

Referenced by ServerCommand().

Svcmd_Test_f()

void Svcmd_Test_f

(

void

)

Definition at line 22 of file g_svcmds.c.

{
    gi.cprintf(NULL, PRINT_HIGH, "Svcmd_Test_f()\n");
}

Referenced by ServerCommand().

SVCmd_WriteIP_f()

void SVCmd_WriteIP_f

(

void

)

Definition at line 227 of file g_svcmds.c.

{
    FILE    *f;
    char    name[MAX_OSPATH];
    size_t  len;
    byte    b[4];
    int     i;
    cvar_t  *game;
 
    game = gi.cvar("game", "", 0);
 
    if (!*game->string)
        len = Q_snprintf(name, sizeof(name), "%s/listip.cfg", GAMEVERSION);
    else
        len = Q_snprintf(name, sizeof(name), "%s/listip.cfg", game->string);
 
    if (len >= sizeof(name)) {
        gi.cprintf(NULL, PRINT_HIGH, "File name too long\n");
        return;
    }
 
    gi.cprintf(NULL, PRINT_HIGH, "Writing %s.\n", name);
 
    f = fopen(name, "wb");
    if (!f) {
        gi.cprintf(NULL, PRINT_HIGH, "Couldn't open %s\n", name);
        return;
    }
 
    fprintf(f, "set filterban %d\n", (int)filterban->value);
 
    for (i = 0 ; i < numipfilters ; i++) {
        *(unsigned *)b = ipfilters[i].compare;
        fprintf(f, "sv addip %i.%i.%i.%i\n", b[0], b[1], b[2], b[3]);
    }
 
    fclose(f);
}

Referenced by ServerCommand().

Variable Documentation

ipfilters

ipfilter_t ipfilters[MAX_IPFILTERS]

Definition at line 65 of file g_svcmds.c.

Referenced by SV_FilterPacket(), SVCmd_AddIP_f(), SVCmd_ListIP_f(), SVCmd_RemoveIP_f(), and SVCmd_WriteIP_f().

numipfilters

int numipfilters

Definition at line 66 of file g_svcmds.c.

Referenced by SV_FilterPacket(), SVCmd_AddIP_f(), SVCmd_ListIP_f(), SVCmd_RemoveIP_f(), and SVCmd_WriteIP_f().