cl_cmd.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20
  21 #include "quakedef.h"
  22
  23 // for secure rcon authentication
  24 #include "hmac.h"
  25 #include "mdfour.h"
  26 #include "image.h"
  27 #include <time.h>
  28
  29 #include "cl_collision.h"
  30
  31 cvar_t cl_name = {CF_CLIENT | CF_ARCHIVE | CF_USERINFO, "name", "player", "change your player name"};
  32 cvar_t cl_rate = {CF_CLIENT | CF_ARCHIVE | CF_USERINFO, "rate", "20000", "change your connection speed"};
  33 cvar_t cl_rate_burstsize = {CF_CLIENT | CF_ARCHIVE | CF_USERINFO, "rate_burstsize", "1024", "internal storage cvar for current rate control burst size (changed by rate_burstsize command)"};
  34 cvar_t cl_topcolor = {CF_CLIENT | CF_ARCHIVE | CF_USERINFO, "topcolor", "0", "change the color of your shirt"};
  35 cvar_t cl_bottomcolor = {CF_CLIENT | CF_ARCHIVE | CF_USERINFO, "bottomcolor", "0", "change the color of your pants"};
  36 cvar_t cl_team = {CF_CLIENT | CF_USERINFO | CF_ARCHIVE, "team", "none", "QW team (4 character limit, example: blue)"};
  37 cvar_t cl_skin = {CF_CLIENT | CF_USERINFO | CF_ARCHIVE, "skin", "", "QW player skin name (example: base)"};
  38 cvar_t cl_noaim = {CF_CLIENT | CF_USERINFO | CF_ARCHIVE, "noaim", "1", "QW option to disable vertical autoaim"};
  39 cvar_t cl_pmodel = {CF_CLIENT | CF_USERINFO | CF_ARCHIVE, "pmodel", "0", "current player model number in nehahra"};
  40 cvar_t r_fixtrans_auto = {CF_CLIENT, "r_fixtrans_auto", "0", "automatically fixtrans textures (when set to 2, it also saves the fixed versions to a fixtrans directory)"};
  41
  42 extern cvar_t rcon_secure;
  43 extern cvar_t rcon_secure_challengetimeout;
  44
  45 /*
  46 ===================
  47 CL_ForwardToServer
  48
  49 Sends an entire command string over to the server, unprocessed
  50 ===================
  51 */
  52 void CL_ForwardToServer (const char *s)
  53 {
  54         char temp[128];
  55         if (cls.state != ca_connected)
  56         {
  57                 Con_Printf("Can't \"%s\", not connected\n", s);
  58                 return;
  59         }
  60
  61         if (!cls.netcon)
  62                 return;
  63
  64         // LadyHavoc: thanks to Fuh for bringing the pure evil of SZ_Print to my
  65         // attention, it has been eradicated from here, its only (former) use in
  66         // all of darkplaces.
  67         if (cls.protocol == PROTOCOL_QUAKEWORLD)
  68                 MSG_WriteByte(&cls.netcon->message, qw_clc_stringcmd);
  69         else
  70                 MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
  71         if ((!strncmp(s, "say ", 4) || !strncmp(s, "say_team ", 9)) && cl_locs_enable.integer)
  72         {
  73                 // say/say_team commands can replace % character codes with status info
  74                 while (*s)
  75                 {
  76                         if (*s == '%' && s[1])
  77                         {
  78                                 // handle proquake message macros
  79                                 temp[0] = 0;
  80                                 switch (s[1])
  81                                 {
  82                                 case 'l': // current location
  83                                         CL_Locs_FindLocationName(temp, sizeof(temp), cl.movement_origin);
  84                                         break;
  85                                 case 'h': // current health
  86                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_HEALTH]);
  87                                         break;
  88                                 case 'a': // current armor
  89                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_ARMOR]);
  90                                         break;
  91                                 case 'x': // current rockets
  92                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_ROCKETS]);
  93                                         break;
  94                                 case 'c': // current cells
  95                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_CELLS]);
  96                                         break;
  97                                 // silly proquake macros
  98                                 case 'd': // loc at last death
  99                                         CL_Locs_FindLocationName(temp, sizeof(temp), cl.lastdeathorigin);
 100                                         break;
 101                                 case 't': // current time
 102                                         dpsnprintf(temp, sizeof(temp), "%.0f:%.0f", floor(cl.time / 60), cl.time - floor(cl.time / 60) * 60);
 103                                         break;
 104                                 case 'r': // rocket launcher status ("I have RL", "I need rockets", "I need RL")
 105                                         if (!(cl.stats[STAT_ITEMS] & IT_ROCKET_LAUNCHER))
 106                                                 dpsnprintf(temp, sizeof(temp), "I need RL");
 107                                         else if (!cl.stats[STAT_ROCKETS])
 108                                                 dpsnprintf(temp, sizeof(temp), "I need rockets");
 109                                         else
 110                                                 dpsnprintf(temp, sizeof(temp), "I have RL");
 111                                         break;
 112                                 case 'p': // powerup status (outputs "quad" "pent" and "eyes" according to status)
 113                                         if (cl.stats[STAT_ITEMS] & IT_QUAD)
 114                                         {
 115                                                 if (temp[0])
 116                                                         strlcat(temp, " ", sizeof(temp));
 117                                                 strlcat(temp, "quad", sizeof(temp));
 118                                         }
 119                                         if (cl.stats[STAT_ITEMS] & IT_INVULNERABILITY)
 120                                         {
 121                                                 if (temp[0])
 122                                                         strlcat(temp, " ", sizeof(temp));
 123                                                 strlcat(temp, "pent", sizeof(temp));
 124                                         }
 125                                         if (cl.stats[STAT_ITEMS] & IT_INVISIBILITY)
 126                                         {
 127                                                 if (temp[0])
 128                                                         strlcat(temp, " ", sizeof(temp));
 129                                                 strlcat(temp, "eyes", sizeof(temp));
 130                                         }
 131                                         break;
 132                                 case 'w': // weapon status (outputs "SSG:NG:SNG:GL:RL:LG" with the text between : characters omitted if you lack the weapon)
 133                                         if (cl.stats[STAT_ITEMS] & IT_SUPER_SHOTGUN)
 134                                                 strlcat(temp, "SSG", sizeof(temp));
 135                                         strlcat(temp, ":", sizeof(temp));
 136                                         if (cl.stats[STAT_ITEMS] & IT_NAILGUN)
 137                                                 strlcat(temp, "NG", sizeof(temp));
 138                                         strlcat(temp, ":", sizeof(temp));
 139                                         if (cl.stats[STAT_ITEMS] & IT_SUPER_NAILGUN)
 140                                                 strlcat(temp, "SNG", sizeof(temp));
 141                                         strlcat(temp, ":", sizeof(temp));
 142                                         if (cl.stats[STAT_ITEMS] & IT_GRENADE_LAUNCHER)
 143                                                 strlcat(temp, "GL", sizeof(temp));
 144                                         strlcat(temp, ":", sizeof(temp));
 145                                         if (cl.stats[STAT_ITEMS] & IT_ROCKET_LAUNCHER)
 146                                                 strlcat(temp, "RL", sizeof(temp));
 147                                         strlcat(temp, ":", sizeof(temp));
 148                                         if (cl.stats[STAT_ITEMS] & IT_LIGHTNING)
 149                                                 strlcat(temp, "LG", sizeof(temp));
 150                                         break;
 151                                 default:
 152                                         // not a recognized macro, print it as-is...
 153                                         temp[0] = s[0];
 154                                         temp[1] = s[1];
 155                                         temp[2] = 0;
 156                                         break;
 157                                 }
 158                                 // write the resulting text
 159                                 SZ_Write(&cls.netcon->message, (unsigned char *)temp, (int)strlen(temp));
 160                                 s += 2;
 161                                 continue;
 162                         }
 163                         MSG_WriteByte(&cls.netcon->message, *s);
 164                         s++;
 165                 }
 166                 MSG_WriteByte(&cls.netcon->message, 0);
 167         }
 168         else // any other command is passed on as-is
 169                 SZ_Write(&cls.netcon->message, (const unsigned char *)s, (int)strlen(s) + 1);
 170 }
 171
 172 void CL_ForwardToServer_f (cmd_state_t *cmd)
 173 {
 174         const char *s;
 175         char vabuf[MAX_INPUTLINE];
 176         size_t i;
 177         if (!strcasecmp(Cmd_Argv(cmd, 0), "cmd"))
 178         {
 179                 // we want to strip off "cmd", so just send the args
 180                 s = Cmd_Argc(cmd) > 1 ? Cmd_Args(cmd) : "";
 181         }
 182         else
 183         {
 184                 // we need to keep the command name, so send Cmd_Argv(cmd, 0), a space and then Cmd_Args(cmd)
 185                 i = dpsnprintf(vabuf, sizeof(vabuf), "%s", Cmd_Argv(cmd, 0));
 186                 if(Cmd_Argc(cmd) > 1)
 187                         // (i + 1) accounts for the added space
 188                         dpsnprintf(&vabuf[i], sizeof(vabuf) - (i + 1), " %s", Cmd_Args(cmd));
 189                 s = vabuf;
 190         }
 191         // don't send an empty forward message if the user tries "cmd" by itself
 192         if (!s || !*s)
 193                 return;
 194         CL_ForwardToServer(s);
 195 }
 196
 197 static void CL_SendCvar_f(cmd_state_t *cmd)
 198 {
 199         cvar_t  *c;
 200         const char *cvarname;
 201         char vabuf[1024];
 202
 203         if(Cmd_Argc(cmd) != 2)
 204                 return;
 205         cvarname = Cmd_Argv(cmd, 1);
 206         if (cls.state == ca_connected)
 207         {
 208                 c = Cvar_FindVar(&cvars_all, cvarname, CF_CLIENT | CF_SERVER);
 209                 // LadyHavoc: if there is no such cvar or if it is private, send a
 210                 // reply indicating that it has no value
 211                 if(!c || (c->flags & CF_PRIVATE))
 212                         CL_ForwardToServer(va(vabuf, sizeof(vabuf), "sentcvar %s", cvarname));
 213                 else
 214                         CL_ForwardToServer(va(vabuf, sizeof(vabuf), "sentcvar %s \"%s\"", c->name, c->string));
 215                 return;
 216         }
 217 }
 218
 219 /*
 220 ==================
 221 CL_Color_f
 222 ==================
 223 */
 224 cvar_t cl_color = {CF_CLIENT | CF_ARCHIVE, "_cl_color", "0", "internal storage cvar for current player colors (changed by color command)"};
 225
 226 // Ignore the callbacks so this two-to-three way synchronization doesn't cause an infinite loop.
 227 static void CL_Color_c(cvar_t *var)
 228 {
 229         char vabuf[1024];
 230
 231         Cvar_Set_NoCallback(&cl_topcolor, va(vabuf, sizeof(vabuf), "%i", ((var->integer >> 4) & 15)));
 232         Cvar_Set_NoCallback(&cl_bottomcolor, va(vabuf, sizeof(vabuf), "%i", (var->integer & 15)));
 233 }
 234
 235 static void CL_Topcolor_c(cvar_t *var)
 236 {
 237         char vabuf[1024];
 238
 239         Cvar_Set_NoCallback(&cl_color, va(vabuf, sizeof(vabuf), "%i", var->integer*16 + cl_bottomcolor.integer));
 240 }
 241
 242 static void CL_Bottomcolor_c(cvar_t *var)
 243 {
 244         char vabuf[1024];
 245
 246         Cvar_Set_NoCallback(&cl_color, va(vabuf, sizeof(vabuf), "%i", cl_topcolor.integer*16 + var->integer));
 247 }
 248
 249 static void CL_Color_f(cmd_state_t *cmd)
 250 {
 251         int top, bottom;
 252
 253         if (Cmd_Argc(cmd) == 1)
 254         {
 255                 if (cmd->source == src_local)
 256                 {
 257                         Con_Printf("\"color\" is \"%i %i\"\n", cl_topcolor.integer, cl_bottomcolor.integer);
 258                         Con_Print("color <0-15> [0-15]\n");
 259                 }
 260                 return;
 261         }
 262
 263         if (Cmd_Argc(cmd) == 2)
 264                 top = bottom = atoi(Cmd_Argv(cmd, 1));
 265         else
 266         {
 267                 top = atoi(Cmd_Argv(cmd, 1));
 268                 bottom = atoi(Cmd_Argv(cmd, 2));
 269         }
 270         /*
 271          * This is just a convenient way to change topcolor and bottomcolor
 272          * We can't change cl_color from here directly because topcolor and
 273          * bottomcolor may be changed separately and do not call this function.
 274          * So it has to be changed when the userinfo strings are updated, which
 275          * happens twice here. Perhaps find a cleaner way?
 276          */
 277
 278         top = top >= 0 ? top : cl_topcolor.integer;
 279         bottom = bottom >= 0 ? bottom : cl_bottomcolor.integer;
 280
 281         top &= 15;
 282         bottom &= 15;
 283
 284         // LadyHavoc: allowing skin colormaps 14 and 15 by commenting this out
 285         //if (top > 13)
 286         //      top = 13;
 287         //if (bottom > 13)
 288         //      bottom = 13;
 289
 290         if (cmd->source == src_local)
 291         {
 292                 Cvar_SetValueQuick(&cl_topcolor, top);
 293                 Cvar_SetValueQuick(&cl_bottomcolor, bottom);
 294                 return;
 295         }
 296 }
 297
 298 /*
 299 ====================
 300 CL_User_f
 301
 302 user <name or userid>
 303
 304 Dump userdata / masterdata for a user
 305 ====================
 306 */
 307 static void CL_User_f(cmd_state_t *cmd) // credit: taken from QuakeWorld
 308 {
 309         int             uid;
 310         int             i;
 311
 312         if (Cmd_Argc(cmd) != 2)
 313         {
 314                 Con_Printf ("Usage: user <username / userid>\n");
 315                 return;
 316         }
 317
 318         uid = atoi(Cmd_Argv(cmd, 1));
 319
 320         for (i = 0;i < cl.maxclients;i++)
 321         {
 322                 if (!cl.scores[i].name[0])
 323                         continue;
 324                 if (cl.scores[i].qw_userid == uid || !strcasecmp(cl.scores[i].name, Cmd_Argv(cmd, 1)))
 325                 {
 326                         InfoString_Print(cl.scores[i].qw_userinfo);
 327                         return;
 328                 }
 329         }
 330         Con_Printf ("User not in server.\n");
 331 }
 332
 333 /*
 334 ====================
 335 CL_Users_f
 336
 337 Dump userids for all current players
 338 ====================
 339 */
 340 static void CL_Users_f(cmd_state_t *cmd) // credit: taken from QuakeWorld
 341 {
 342         int             i;
 343         int             c;
 344
 345         c = 0;
 346         Con_Printf ("userid frags name\n");
 347         Con_Printf ("------ ----- ----\n");
 348         for (i = 0;i < cl.maxclients;i++)
 349         {
 350                 if (cl.scores[i].name[0])
 351                 {
 352                         Con_Printf ("%6i %4i %s\n", cl.scores[i].qw_userid, cl.scores[i].frags, cl.scores[i].name);
 353                         c++;
 354                 }
 355         }
 356
 357         Con_Printf ("%i total users\n", c);
 358 }
 359
 360 /*
 361 ====================
 362 CL_Packet_f
 363
 364 packet <destination> <contents>
 365
 366 Contents allows \n escape character
 367 ====================
 368 */
 369 static void CL_Packet_f(cmd_state_t *cmd) // credit: taken from QuakeWorld
 370 {
 371         char send[2048];
 372         int i, l;
 373         const char *in;
 374         char *out;
 375         lhnetaddress_t address;
 376         lhnetsocket_t *mysocket;
 377
 378         if (Cmd_Argc(cmd) != 3)
 379         {
 380                 Con_Printf ("packet <destination> <contents>\n");
 381                 return;
 382         }
 383
 384         if (!LHNETADDRESS_FromString (&address, Cmd_Argv(cmd, 1), sv_netport.integer))
 385         {
 386                 Con_Printf ("Bad address\n");
 387                 return;
 388         }
 389
 390         in = Cmd_Argv(cmd, 2);
 391         out = send+4;
 392         send[0] = send[1] = send[2] = send[3] = -1;
 393
 394         l = (int)strlen (in);
 395         for (i=0 ; i<l ; i++)
 396         {
 397                 if (out >= send + sizeof(send) - 1)
 398                         break;
 399                 if (in[i] == '\\' && in[i+1] == 'n')
 400                 {
 401                         *out++ = '\n';
 402                         i++;
 403                 }
 404                 else if (in[i] == '\\' && in[i+1] == '0')
 405                 {
 406                         *out++ = '\0';
 407                         i++;
 408                 }
 409                 else if (in[i] == '\\' && in[i+1] == 't')
 410                 {
 411                         *out++ = '\t';
 412                         i++;
 413                 }
 414                 else if (in[i] == '\\' && in[i+1] == 'r')
 415                 {
 416                         *out++ = '\r';
 417                         i++;
 418                 }
 419                 else if (in[i] == '\\' && in[i+1] == '"')
 420                 {
 421                         *out++ = '\"';
 422                         i++;
 423                 }
 424                 else
 425                         *out++ = in[i];
 426         }
 427
 428         mysocket = NetConn_ChooseClientSocketForAddress(&address);
 429         if (!mysocket)
 430                 mysocket = NetConn_ChooseServerSocketForAddress(&address);
 431         if (mysocket)
 432                 NetConn_Write(mysocket, send, out - send, &address);
 433 }
 434
 435 /*
 436 =====================
 437 CL_PQRcon_f
 438
 439 ProQuake rcon support
 440 =====================
 441 */
 442 static void CL_PQRcon_f(cmd_state_t *cmd)
 443 {
 444         int n;
 445         const char *e;
 446         lhnetsocket_t *mysocket;
 447
 448         if (Cmd_Argc(cmd) == 1)
 449         {
 450                 Con_Printf("%s: Usage: %s command\n", Cmd_Argv(cmd, 0), Cmd_Argv(cmd, 0));
 451                 return;
 452         }
 453
 454         if (!rcon_password.string || !rcon_password.string[0] || rcon_secure.integer > 0)
 455         {
 456                 Con_Printf ("You must set rcon_password before issuing an pqrcon command, and rcon_secure must be 0.\n");
 457                 return;
 458         }
 459
 460         e = strchr(rcon_password.string, ' ');
 461         n = e ? e-rcon_password.string : (int)strlen(rcon_password.string);
 462
 463         if (cls.netcon)
 464                 cls.rcon_address = cls.netcon->peeraddress;
 465         else
 466         {
 467                 if (!rcon_address.string[0])
 468                 {
 469                         Con_Printf ("You must either be connected, or set the rcon_address cvar to issue rcon commands\n");
 470                         return;
 471                 }
 472                 LHNETADDRESS_FromString(&cls.rcon_address, rcon_address.string, sv_netport.integer);
 473         }
 474         mysocket = NetConn_ChooseClientSocketForAddress(&cls.rcon_address);
 475         if (mysocket)
 476         {
 477                 sizebuf_t buf;
 478                 unsigned char bufdata[64];
 479                 buf.data = bufdata;
 480                 SZ_Clear(&buf);
 481                 MSG_WriteLong(&buf, 0);
 482                 MSG_WriteByte(&buf, CCREQ_RCON);
 483                 SZ_Write(&buf, (const unsigned char*)rcon_password.string, n);
 484                 MSG_WriteByte(&buf, 0); // terminate the (possibly partial) string
 485                 MSG_WriteString(&buf, Cmd_Args(cmd));
 486                 StoreBigLong(buf.data, NETFLAG_CTL | (buf.cursize & NETFLAG_LENGTH_MASK));
 487                 NetConn_Write(mysocket, buf.data, buf.cursize, &cls.rcon_address);
 488                 SZ_Clear(&buf);
 489         }
 490 }
 491
 492 /*
 493 =====================
 494 CL_Rcon_f
 495
 496   Send the rest of the command line over as
 497   an unconnected command.
 498 =====================
 499 */
 500 static void CL_Rcon_f(cmd_state_t *cmd) // credit: taken from QuakeWorld
 501 {
 502         int i, n;
 503         const char *e;
 504         lhnetsocket_t *mysocket;
 505
 506         if (Cmd_Argc(cmd) == 1)
 507         {
 508                 Con_Printf("%s: Usage: %s command\n", Cmd_Argv(cmd, 0), Cmd_Argv(cmd, 0));
 509                 return;
 510         }
 511
 512         if (!rcon_password.string || !rcon_password.string[0])
 513         {
 514                 Con_Printf ("You must set rcon_password before issuing an rcon command.\n");
 515                 return;
 516         }
 517
 518         e = strchr(rcon_password.string, ' ');
 519         n = e ? e-rcon_password.string : (int)strlen(rcon_password.string);
 520
 521         if (cls.netcon)
 522                 cls.rcon_address = cls.netcon->peeraddress;
 523         else
 524         {
 525                 if (!rcon_address.string[0])
 526                 {
 527                         Con_Printf ("You must either be connected, or set the rcon_address cvar to issue rcon commands\n");
 528                         return;
 529                 }
 530                 LHNETADDRESS_FromString(&cls.rcon_address, rcon_address.string, sv_netport.integer);
 531         }
 532         mysocket = NetConn_ChooseClientSocketForAddress(&cls.rcon_address);
 533         if (mysocket && Cmd_Args(cmd)[0])
 534         {
 535                 // simply put together the rcon packet and send it
 536                 if(Cmd_Argv(cmd, 0)[0] == 's' || rcon_secure.integer > 1)
 537                 {
 538                         if(cls.rcon_commands[cls.rcon_ringpos][0])
 539                         {
 540                                 char s[128];
 541                                 LHNETADDRESS_ToString(&cls.rcon_addresses[cls.rcon_ringpos], s, sizeof(s), true);
 542                                 Con_Printf("rcon to %s (for command %s) failed: too many buffered commands (possibly increase MAX_RCONS)\n", s, cls.rcon_commands[cls.rcon_ringpos]);
 543                                 cls.rcon_commands[cls.rcon_ringpos][0] = 0;
 544                                 --cls.rcon_trying;
 545                         }
 546                         for (i = 0;i < MAX_RCONS;i++)
 547                                 if(cls.rcon_commands[i][0])
 548                                         if (!LHNETADDRESS_Compare(&cls.rcon_address, &cls.rcon_addresses[i]))
 549                                                 break;
 550                         ++cls.rcon_trying;
 551                         if(i >= MAX_RCONS)
 552                                 NetConn_WriteString(mysocket, "\377\377\377\377getchallenge", &cls.rcon_address); // otherwise we'll request the challenge later
 553                         strlcpy(cls.rcon_commands[cls.rcon_ringpos], Cmd_Args(cmd), sizeof(cls.rcon_commands[cls.rcon_ringpos]));
 554                         cls.rcon_addresses[cls.rcon_ringpos] = cls.rcon_address;
 555                         cls.rcon_timeout[cls.rcon_ringpos] = host.realtime + rcon_secure_challengetimeout.value;
 556                         cls.rcon_ringpos = (cls.rcon_ringpos + 1) % MAX_RCONS;
 557                 }
 558                 else if(rcon_secure.integer > 0)
 559                 {
 560                         char buf[1500];
 561                         char argbuf[1500];
 562                         dpsnprintf(argbuf, sizeof(argbuf), "%ld.%06d %s", (long) time(NULL), (int) (rand() % 1000000), Cmd_Args(cmd));
 563                         memcpy(buf, "\377\377\377\377srcon HMAC-MD4 TIME ", 24);
 564                         if(HMAC_MDFOUR_16BYTES((unsigned char *) (buf + 24), (unsigned char *) argbuf, (int)strlen(argbuf), (unsigned char *) rcon_password.string, n))
 565                         {
 566                                 buf[40] = ' ';
 567                                 strlcpy(buf + 41, argbuf, sizeof(buf) - 41);
 568                                 NetConn_Write(mysocket, buf, 41 + (int)strlen(buf + 41), &cls.rcon_address);
 569                         }
 570                 }
 571                 else
 572                 {
 573                         char buf[1500];
 574                         memcpy(buf, "\377\377\377\377", 4);
 575                         dpsnprintf(buf+4, sizeof(buf)-4, "rcon %.*s %s",  n, rcon_password.string, Cmd_Args(cmd));
 576                         NetConn_WriteString(mysocket, buf, &cls.rcon_address);
 577                 }
 578         }
 579 }
 580
 581 /*
 582 ==================
 583 CL_FullServerinfo_f
 584
 585 Sent by server when serverinfo changes
 586 ==================
 587 */
 588 // TODO: shouldn't this be a cvar instead?
 589 static void CL_FullServerinfo_f(cmd_state_t *cmd) // credit: taken from QuakeWorld
 590 {
 591         char temp[512];
 592         if (Cmd_Argc(cmd) != 2)
 593         {
 594                 Con_Printf ("usage: fullserverinfo <complete info string>\n");
 595                 return;
 596         }
 597
 598         strlcpy (cl.qw_serverinfo, Cmd_Argv(cmd, 1), sizeof(cl.qw_serverinfo));
 599         InfoString_GetValue(cl.qw_serverinfo, "teamplay", temp, sizeof(temp));
 600         cl.qw_teamplay = atoi(temp);
 601 }
 602
 603 /*
 604 ==================
 605 CL_FullInfo_f
 606
 607 Allow clients to change userinfo
 608 ==================
 609 Casey was here :)
 610 */
 611 static void CL_FullInfo_f(cmd_state_t *cmd) // credit: taken from QuakeWorld
 612 {
 613         char key[512];
 614         char value[512];
 615         const char *s;
 616
 617         if (Cmd_Argc(cmd) != 2)
 618         {
 619                 Con_Printf ("fullinfo <complete info string>\n");
 620                 return;
 621         }
 622
 623         s = Cmd_Argv(cmd, 1);
 624         if (*s == '\\')
 625                 s++;
 626         while (*s)
 627         {
 628                 size_t len = strcspn(s, "\\");
 629                 if (len >= sizeof(key)) {
 630                         len = sizeof(key) - 1;
 631                 }
 632                 strlcpy(key, s, len + 1);
 633                 s += len;
 634                 if (!*s)
 635                 {
 636                         Con_Printf ("MISSING VALUE\n");
 637                         return;
 638                 }
 639                 ++s; // Skip over backslash.
 640
 641                 len = strcspn(s, "\\");
 642                 if (len >= sizeof(value)) {
 643                         len = sizeof(value) - 1;
 644                 }
 645                 strlcpy(value, s, len + 1);
 646
 647                 CL_SetInfo(key, value, false, false, false, false);
 648
 649                 s += len;
 650                 if (!*s)
 651                 {
 652                         break;
 653                 }
 654                 ++s; // Skip over backslash.
 655         }
 656 }
 657
 658 /*
 659 ==================
 660 CL_SetInfo_f
 661
 662 Allow clients to change userinfo
 663 ==================
 664 */
 665 static void CL_SetInfo_f(cmd_state_t *cmd) // credit: taken from QuakeWorld
 666 {
 667         if (Cmd_Argc(cmd) == 1)
 668         {
 669                 InfoString_Print(cls.userinfo);
 670                 return;
 671         }
 672         if (Cmd_Argc(cmd) != 3)
 673         {
 674                 Con_Printf ("usage: setinfo [ <key> <value> ]\n");
 675                 return;
 676         }
 677         CL_SetInfo(Cmd_Argv(cmd, 1), Cmd_Argv(cmd, 2), true, false, false, false);
 678 }
 679
 680 static void CL_PingPLReport_f(cmd_state_t *cmd)
 681 {
 682         char *errbyte;
 683         int i;
 684         int l = Cmd_Argc(cmd);
 685         if (l > cl.maxclients)
 686                 l = cl.maxclients;
 687         for (i = 0;i < l;i++)
 688         {
 689                 cl.scores[i].qw_ping = atoi(Cmd_Argv(cmd, 1+i*2));
 690                 cl.scores[i].qw_packetloss = strtol(Cmd_Argv(cmd, 1+i*2+1), &errbyte, 0);
 691                 if(errbyte && *errbyte == ',')
 692                         cl.scores[i].qw_movementloss = atoi(errbyte + 1);
 693                 else
 694                         cl.scores[i].qw_movementloss = 0;
 695         }
 696 }
 697
 698 void CL_InitCommands(void)
 699 {
 700         dpsnprintf(cls.userinfo, sizeof(cls.userinfo), "\\name\\player\\team\\none\\topcolor\\0\\bottomcolor\\0\\rate\\10000\\msg\\1\\noaim\\1\\*ver\\dp");
 701
 702         Cvar_RegisterVariable(&cl_name);
 703         Cvar_RegisterAlias(&cl_name, "_cl_name");
 704         Cvar_RegisterVariable(&cl_rate);
 705         Cvar_RegisterAlias(&cl_rate, "_cl_rate");
 706         Cvar_RegisterVariable(&cl_rate_burstsize);
 707         Cvar_RegisterAlias(&cl_rate_burstsize, "_cl_rate_burstsize");
 708         Cvar_RegisterVariable(&cl_pmodel);
 709         Cvar_RegisterAlias(&cl_pmodel, "_cl_pmodel");
 710         Cvar_RegisterVariable(&cl_color);
 711         Cvar_RegisterCallback(&cl_color, CL_Color_c);
 712         Cvar_RegisterVariable(&cl_topcolor);
 713         Cvar_RegisterCallback(&cl_topcolor, CL_Topcolor_c);
 714         Cvar_RegisterVariable(&cl_bottomcolor);
 715         Cvar_RegisterCallback(&cl_bottomcolor, CL_Bottomcolor_c);
 716         Cvar_RegisterVariable(&r_fixtrans_auto);
 717         Cvar_RegisterVariable(&cl_team);
 718         Cvar_RegisterVariable(&cl_skin);
 719         Cvar_RegisterVariable(&cl_noaim);
 720
 721         Cmd_AddCommand(CF_CLIENT | CF_CLIENT_FROM_SERVER, "cmd", CL_ForwardToServer_f, "send a console commandline to the server (used by some mods)");
 722         Cmd_AddCommand(CF_CLIENT, "color", CL_Color_f, "change your player shirt and pants colors");
 723         Cmd_AddCommand(CF_CLIENT, "rcon", CL_Rcon_f, "sends a command to the server console (if your rcon_password matches the server's rcon_password), or to the address specified by rcon_address when not connected (again rcon_password must match the server's); note: if rcon_secure is set, client and server clocks must be synced e.g. via NTP");
 724         Cmd_AddCommand(CF_CLIENT, "srcon", CL_Rcon_f, "sends a command to the server console (if your rcon_password matches the server's rcon_password), or to the address specified by rcon_address when not connected (again rcon_password must match the server's); this always works as if rcon_secure is set; note: client and server clocks must be synced e.g. via NTP");
 725         Cmd_AddCommand(CF_CLIENT, "pqrcon", CL_PQRcon_f, "sends a command to a proquake server console (if your rcon_password matches the server's rcon_password), or to the address specified by rcon_address when not connected (again rcon_password must match the server's)");
 726         Cmd_AddCommand(CF_SHARED, "user", CL_User_f, "prints additional information about a player number or name on the scoreboard");
 727         Cmd_AddCommand(CF_SHARED, "users", CL_Users_f, "prints additional information about all players on the scoreboard");
 728         Cmd_AddCommand(CF_CLIENT, "packet", CL_Packet_f, "send a packet to the specified address:port containing a text string");
 729         Cmd_AddCommand(CF_CLIENT, "fullinfo", CL_FullInfo_f, "allows client to modify their userinfo");
 730         Cmd_AddCommand(CF_CLIENT, "setinfo", CL_SetInfo_f, "modifies your userinfo");
 731         Cmd_AddCommand(CF_CLIENT, "sendcvar", CL_SendCvar_f, "sends the value of a cvar to the server as a sentcvar command, for use by QuakeC");
 732         Cmd_AddCommand(CF_CLIENT, "fixtrans", Image_FixTransparentPixels_f, "change alpha-zero pixels in an image file to sensible values, and write out a new TGA (warning: SLOW)");
 733
 734         // commands that are only sent by server to client for execution
 735         Cmd_AddCommand(CF_CLIENT_FROM_SERVER, "pingplreport", CL_PingPLReport_f, "command sent by server containing client ping and packet loss values for scoreboard, triggered by pings command from client (not used by QW servers)");
 736         Cmd_AddCommand(CF_CLIENT_FROM_SERVER, "fullserverinfo", CL_FullServerinfo_f, "internal use only, sent by server to client to update client's local copy of serverinfo string");
 737 }