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