|
|
1.1 ! root 1: ! 2: #include "g_local.h" ! 3: ! 4: ! 5: void Svcmd_Test_f (void) ! 6: { ! 7: gi.cprintf (NULL, PRINT_HIGH, "Svcmd_Test_f()\n"); ! 8: } ! 9: ! 10: /* ! 11: ============================================================================== ! 12: ! 13: PACKET FILTERING ! 14: ! 15: ! 16: You can add or remove addresses from the filter list with: ! 17: ! 18: addip <ip> ! 19: removeip <ip> ! 20: ! 21: The ip address is specified in dot format, and any unspecified digits will match any value, so you can specify an entire class C network with "addip 192.246.40". ! 22: ! 23: Removeip will only remove an address specified exactly the same way. You cannot addip a subnet, then removeip a single host. ! 24: ! 25: listip ! 26: Prints the current list of filters. ! 27: ! 28: writeip ! 29: Dumps "addip <ip>" commands to listip.cfg so it can be execed at a later date. The filter lists are not saved and restored by default, because I beleive it would cause too much confusion. ! 30: ! 31: filterban <0 or 1> ! 32: ! 33: If 1 (the default), then ip addresses matching the current list will be prohibited from entering the game. This is the default setting. ! 34: ! 35: 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. ! 36: ! 37: ! 38: ============================================================================== ! 39: */ ! 40: ! 41: typedef struct ! 42: { ! 43: unsigned mask; ! 44: unsigned compare; ! 45: } ipfilter_t; ! 46: ! 47: #define MAX_IPFILTERS 1024 ! 48: ! 49: ipfilter_t ipfilters[MAX_IPFILTERS]; ! 50: int numipfilters; ! 51: ! 52: /* ! 53: ================= ! 54: StringToFilter ! 55: ================= ! 56: */ ! 57: static qboolean StringToFilter (char *s, ipfilter_t *f) ! 58: { ! 59: char num[128]; ! 60: int i, j; ! 61: byte b[4]; ! 62: byte m[4]; ! 63: ! 64: for (i=0 ; i<4 ; i++) ! 65: { ! 66: b[i] = 0; ! 67: m[i] = 0; ! 68: } ! 69: ! 70: for (i=0 ; i<4 ; i++) ! 71: { ! 72: if (*s < '0' || *s > '9') ! 73: { ! 74: gi.cprintf(NULL, PRINT_HIGH, "Bad filter address: %s\n", s); ! 75: return false; ! 76: } ! 77: ! 78: j = 0; ! 79: while (*s >= '0' && *s <= '9') ! 80: { ! 81: num[j++] = *s++; ! 82: } ! 83: num[j] = 0; ! 84: b[i] = atoi(num); ! 85: if (b[i] != 0) ! 86: m[i] = 255; ! 87: ! 88: if (!*s) ! 89: break; ! 90: s++; ! 91: } ! 92: ! 93: f->mask = *(unsigned *)m; ! 94: f->compare = *(unsigned *)b; ! 95: ! 96: return true; ! 97: } ! 98: ! 99: /* ! 100: ================= ! 101: SV_FilterPacket ! 102: ================= ! 103: */ ! 104: qboolean SV_FilterPacket (char *from) ! 105: { ! 106: int i; ! 107: unsigned in; ! 108: byte m[4]; ! 109: char *p; ! 110: ! 111: i = 0; ! 112: p = from; ! 113: while (*p && i < 4) { ! 114: m[i] = 0; ! 115: while (*p >= '0' && *p <= '9') { ! 116: m[i] = m[i]*10 + (*p - '0'); ! 117: p++; ! 118: } ! 119: if (!*p || *p == ':') ! 120: break; ! 121: i++, p++; ! 122: } ! 123: ! 124: in = *(unsigned *)m; ! 125: ! 126: for (i=0 ; i<numipfilters ; i++) ! 127: if ( (in & ipfilters[i].mask) == ipfilters[i].compare) ! 128: return (int)filterban->value; ! 129: ! 130: return (int)!filterban->value; ! 131: } ! 132: ! 133: ! 134: /* ! 135: ================= ! 136: SV_AddIP_f ! 137: ================= ! 138: */ ! 139: void SVCmd_AddIP_f (void) ! 140: { ! 141: int i; ! 142: ! 143: if (gi.argc() < 3) { ! 144: gi.cprintf(NULL, PRINT_HIGH, "Usage: addip <ip-mask>\n"); ! 145: return; ! 146: } ! 147: ! 148: for (i=0 ; i<numipfilters ; i++) ! 149: if (ipfilters[i].compare == 0xffffffff) ! 150: break; // free spot ! 151: if (i == numipfilters) ! 152: { ! 153: if (numipfilters == MAX_IPFILTERS) ! 154: { ! 155: gi.cprintf (NULL, PRINT_HIGH, "IP filter list is full\n"); ! 156: return; ! 157: } ! 158: numipfilters++; ! 159: } ! 160: ! 161: if (!StringToFilter (gi.argv(2), &ipfilters[i])) ! 162: ipfilters[i].compare = 0xffffffff; ! 163: } ! 164: ! 165: /* ! 166: ================= ! 167: SV_RemoveIP_f ! 168: ================= ! 169: */ ! 170: void SVCmd_RemoveIP_f (void) ! 171: { ! 172: ipfilter_t f; ! 173: int i, j; ! 174: ! 175: if (gi.argc() < 3) { ! 176: gi.cprintf(NULL, PRINT_HIGH, "Usage: sv removeip <ip-mask>\n"); ! 177: return; ! 178: } ! 179: ! 180: if (!StringToFilter (gi.argv(2), &f)) ! 181: return; ! 182: ! 183: for (i=0 ; i<numipfilters ; i++) ! 184: if (ipfilters[i].mask == f.mask ! 185: && ipfilters[i].compare == f.compare) ! 186: { ! 187: for (j=i+1 ; j<numipfilters ; j++) ! 188: ipfilters[j-1] = ipfilters[j]; ! 189: numipfilters--; ! 190: gi.cprintf (NULL, PRINT_HIGH, "Removed.\n"); ! 191: return; ! 192: } ! 193: gi.cprintf (NULL, PRINT_HIGH, "Didn't find %s.\n", gi.argv(2)); ! 194: } ! 195: ! 196: /* ! 197: ================= ! 198: SV_ListIP_f ! 199: ================= ! 200: */ ! 201: void SVCmd_ListIP_f (void) ! 202: { ! 203: int i; ! 204: byte b[4]; ! 205: ! 206: gi.cprintf (NULL, PRINT_HIGH, "Filter list:\n"); ! 207: for (i=0 ; i<numipfilters ; i++) ! 208: { ! 209: *(unsigned *)b = ipfilters[i].compare; ! 210: gi.cprintf (NULL, PRINT_HIGH, "%3i.%3i.%3i.%3i\n", b[0], b[1], b[2], b[3]); ! 211: } ! 212: } ! 213: ! 214: /* ! 215: ================= ! 216: SV_WriteIP_f ! 217: ================= ! 218: */ ! 219: void SVCmd_WriteIP_f (void) ! 220: { ! 221: FILE *f; ! 222: char name[MAX_OSPATH]; ! 223: byte b[4]; ! 224: int i; ! 225: cvar_t *game; ! 226: ! 227: game = gi.cvar("game", "", 0); ! 228: ! 229: if (!*game->string) ! 230: sprintf (name, "%s/listip.cfg", GAMEVERSION); ! 231: else ! 232: sprintf (name, "%s/listip.cfg", game->string); ! 233: ! 234: gi.cprintf (NULL, PRINT_HIGH, "Writing %s.\n", name); ! 235: ! 236: f = fopen (name, "wb"); ! 237: if (!f) ! 238: { ! 239: gi.cprintf (NULL, PRINT_HIGH, "Couldn't open %s\n", name); ! 240: return; ! 241: } ! 242: ! 243: fprintf(f, "set filterban %d\n", (int)filterban->value); ! 244: ! 245: for (i=0 ; i<numipfilters ; i++) ! 246: { ! 247: *(unsigned *)b = ipfilters[i].compare; ! 248: fprintf (f, "sv addip %i.%i.%i.%i\n", b[0], b[1], b[2], b[3]); ! 249: } ! 250: ! 251: fclose (f); ! 252: } ! 253: ! 254: /* ! 255: ================= ! 256: ServerCommand ! 257: ! 258: ServerCommand will be called when an "sv" command is issued. ! 259: The game can issue gi.argc() / gi.argv() commands to get the rest ! 260: of the parameters ! 261: ================= ! 262: */ ! 263: void ServerCommand (void) ! 264: { ! 265: char *cmd; ! 266: ! 267: cmd = gi.argv(1); ! 268: if (Q_stricmp (cmd, "test") == 0) ! 269: Svcmd_Test_f (); ! 270: else if (Q_stricmp (cmd, "addip") == 0) ! 271: SVCmd_AddIP_f (); ! 272: else if (Q_stricmp (cmd, "removeip") == 0) ! 273: SVCmd_RemoveIP_f (); ! 274: else if (Q_stricmp (cmd, "listip") == 0) ! 275: SVCmd_ListIP_f (); ! 276: else if (Q_stricmp (cmd, "writeip") == 0) ! 277: SVCmd_WriteIP_f (); ! 278: else ! 279: gi.cprintf (NULL, PRINT_HIGH, "Unknown server command \"%s\"\n", cmd); ! 280: } ! 281:
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.