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[MAX_INPUTLINE];
 174         size_t i;
 175         if (!strcasecmp(Cmd_Argv(cmd, 0), "cmd"))
 176         {
 177                 // we want to strip off "cmd", so just send the args
 178                 s = Cmd_Argc(cmd) > 1 ? Cmd_Args(cmd) : "";
 179         }
 180         else
 181         {
 182                 // we need to keep the command name, so send Cmd_Argv(cmd, 0), a space and then Cmd_Args(cmd)
 183                 i = dpsnprintf(vabuf, sizeof(vabuf), "%s", Cmd_Argv(cmd, 0));
 184                 if(Cmd_Argc(cmd) > 1)
 185                         dpsnprintf(&vabuf[i], sizeof(vabuf - i), " %s", Cmd_Args(cmd));
 186                 s = vabuf;
 187         }
 188         // don't send an empty forward message if the user tries "cmd" by itself
 189         if (!s || !*s)
 190                 return;
 191         CL_ForwardToServer(s);
 192 }
 193
 194 static void CL_SendCvar_f(cmd_state_t *cmd)
 195 {
 196         cvar_t  *c;
 197         const char *cvarname;
 198         char vabuf[1024];
 199
 200         if(Cmd_Argc(cmd) != 2)
 201                 return;
 202         cvarname = Cmd_Argv(cmd, 1);
 203         if (cls.state == ca_connected)
 204         {
 205                 c = Cvar_FindVar(&cvars_all, cvarname, CVAR_CLIENT | CVAR_SERVER);
 206                 // LadyHavoc: if there is no such cvar or if it is private, send a
 207                 // reply indicating that it has no value
 208                 if(!c || (c->flags & CVAR_PRIVATE))
 209                         CL_ForwardToServer(va(vabuf, sizeof(vabuf), "sentcvar %s", cvarname));
 210                 else
 211                         CL_ForwardToServer(va(vabuf, sizeof(vabuf), "sentcvar %s \"%s\"", c->name, c->string));
 212                 return;
 213         }
 214 }
 215
 216 /*
 217 ==================
 218 CL_Color_f
 219 ==================
 220 */
 221 cvar_t cl_color = {CVAR_READONLY | CVAR_CLIENT | CVAR_SAVE, "_cl_color", "0", "internal storage cvar for current player colors (changed by color command)"};
 222
 223 // Ignore the callbacks so this two-to-three way synchronization doesn't cause an infinite loop.
 224 static void CL_Color_c(cvar_t *var)
 225 {
 226         char vabuf[1024];
 227
 228         Cvar_Set_NoCallback(&cl_topcolor, va(vabuf, sizeof(vabuf), "%i", ((var->integer >> 4) & 15)));
 229         Cvar_Set_NoCallback(&cl_bottomcolor, va(vabuf, sizeof(vabuf), "%i", (var->integer & 15)));
 230 }
 231
 232 static void CL_Topcolor_c(cvar_t *var)
 233 {
 234         char vabuf[1024];
 235
 236         Cvar_Set_NoCallback(&cl_color, va(vabuf, sizeof(vabuf), "%i", var->integer*16 + cl_bottomcolor.integer));
 237 }
 238
 239 static void CL_Bottomcolor_c(cvar_t *var)
 240 {
 241         char vabuf[1024];
 242
 243         Cvar_Set_NoCallback(&cl_color, va(vabuf, sizeof(vabuf), "%i", cl_topcolor.integer*16 + var->integer));
 244 }
 245
 246 static void CL_Color_f(cmd_state_t *cmd)
 247 {
 248         int top, bottom;
 249
 250         if (Cmd_Argc(cmd) == 1)
 251         {
 252                 if (cmd->source == src_command)
 253                 {
 254                         Con_Printf("\"color\" is \"%i %i\"\n", cl_topcolor.integer, cl_bottomcolor.integer);
 255                         Con_Print("color <0-15> [0-15]\n");
 256                 }
 257                 return;
 258         }
 259
 260         if (Cmd_Argc(cmd) == 2)
 261                 top = bottom = atoi(Cmd_Argv(cmd, 1));
 262         else
 263         {
 264                 top = atoi(Cmd_Argv(cmd, 1));
 265                 bottom = atoi(Cmd_Argv(cmd, 2));
 266         }
 267         /*
 268          * This is just a convenient way to change topcolor and bottomcolor
 269          * We can't change cl_color from here directly because topcolor and
 270          * bottomcolor may be changed separately and do not call this function.
 271          * So it has to be changed when the userinfo strings are updated, which
 272          * happens twice here. Perhaps find a cleaner way?
 273          */
 274
 275         top = top >= 0 ? top : cl_topcolor.integer;
 276         bottom = bottom >= 0 ? bottom : cl_bottomcolor.integer;
 277
 278         top &= 15;
 279         bottom &= 15;
 280
 281         // LadyHavoc: allowing skin colormaps 14 and 15 by commenting this out
 282         //if (top > 13)
 283         //      top = 13;
 284         //if (bottom > 13)
 285         //      bottom = 13;
 286
 287         if (cmd->source == src_command)
 288         {
 289                 Cvar_SetValueQuick(&cl_topcolor, top);
 290                 Cvar_SetValueQuick(&cl_bottomcolor, bottom);
 291                 return;
 292         }
 293 }
 294
 295 /*
 296 ====================
 297 CL_Packet_f
 298
 299 packet <destination> <contents>
 300
 301 Contents allows \n escape character
 302 ====================
 303 */
 304 static void CL_Packet_f(cmd_state_t *cmd) // credit: taken from QuakeWorld
 305 {
 306         char send[2048];
 307         int i, l;
 308         const char *in;
 309         char *out;
 310         lhnetaddress_t address;
 311         lhnetsocket_t *mysocket;
 312
 313         if (Cmd_Argc(cmd) != 3)
 314         {
 315                 Con_Printf ("packet <destination> <contents>\n");
 316                 return;
 317         }
 318
 319         if (!LHNETADDRESS_FromString (&address, Cmd_Argv(cmd, 1), sv_netport.integer))
 320         {
 321                 Con_Printf ("Bad address\n");
 322                 return;
 323         }
 324
 325         in = Cmd_Argv(cmd, 2);
 326         out = send+4;
 327         send[0] = send[1] = send[2] = send[3] = -1;
 328
 329         l = (int)strlen (in);
 330         for (i=0 ; i<l ; i++)
 331         {
 332                 if (out >= send + sizeof(send) - 1)
 333                         break;
 334                 if (in[i] == '\\' && in[i+1] == 'n')
 335                 {
 336                         *out++ = '\n';
 337                         i++;
 338                 }
 339                 else if (in[i] == '\\' && in[i+1] == '0')
 340                 {
 341                         *out++ = '\0';
 342                         i++;
 343                 }
 344                 else if (in[i] == '\\' && in[i+1] == 't')
 345                 {
 346                         *out++ = '\t';
 347                         i++;
 348                 }
 349                 else if (in[i] == '\\' && in[i+1] == 'r')
 350                 {
 351                         *out++ = '\r';
 352                         i++;
 353                 }
 354                 else if (in[i] == '\\' && in[i+1] == '"')
 355                 {
 356                         *out++ = '\"';
 357                         i++;
 358                 }
 359                 else
 360                         *out++ = in[i];
 361         }
 362
 363         mysocket = NetConn_ChooseClientSocketForAddress(&address);
 364         if (!mysocket)
 365                 mysocket = NetConn_ChooseServerSocketForAddress(&address);
 366         if (mysocket)
 367                 NetConn_Write(mysocket, send, out - send, &address);
 368 }
 369
 370 /*
 371 =====================
 372 CL_PQRcon_f
 373
 374 ProQuake rcon support
 375 =====================
 376 */
 377 static void CL_PQRcon_f(cmd_state_t *cmd)
 378 {
 379         int n;
 380         const char *e;
 381         lhnetsocket_t *mysocket;
 382
 383         if (Cmd_Argc(cmd) == 1)
 384         {
 385                 Con_Printf("%s: Usage: %s command\n", Cmd_Argv(cmd, 0), Cmd_Argv(cmd, 0));
 386                 return;
 387         }
 388
 389         if (!rcon_password.string || !rcon_password.string[0] || rcon_secure.integer > 0)
 390         {
 391                 Con_Printf ("You must set rcon_password before issuing an pqrcon command, and rcon_secure must be 0.\n");
 392                 return;
 393         }
 394
 395         e = strchr(rcon_password.string, ' ');
 396         n = e ? e-rcon_password.string : (int)strlen(rcon_password.string);
 397
 398         if (cls.netcon)
 399                 cls.rcon_address = cls.netcon->peeraddress;
 400         else
 401         {
 402                 if (!rcon_address.string[0])
 403                 {
 404                         Con_Printf ("You must either be connected, or set the rcon_address cvar to issue rcon commands\n");
 405                         return;
 406                 }
 407                 LHNETADDRESS_FromString(&cls.rcon_address, rcon_address.string, sv_netport.integer);
 408         }
 409         mysocket = NetConn_ChooseClientSocketForAddress(&cls.rcon_address);
 410         if (mysocket)
 411         {
 412                 sizebuf_t buf;
 413                 unsigned char bufdata[64];
 414                 buf.data = bufdata;
 415                 SZ_Clear(&buf);
 416                 MSG_WriteLong(&buf, 0);
 417                 MSG_WriteByte(&buf, CCREQ_RCON);
 418                 SZ_Write(&buf, (const unsigned char*)rcon_password.string, n);
 419                 MSG_WriteByte(&buf, 0); // terminate the (possibly partial) string
 420                 MSG_WriteString(&buf, Cmd_Args(cmd));
 421                 StoreBigLong(buf.data, NETFLAG_CTL | (buf.cursize & NETFLAG_LENGTH_MASK));
 422                 NetConn_Write(mysocket, buf.data, buf.cursize, &cls.rcon_address);
 423                 SZ_Clear(&buf);
 424         }
 425 }
 426
 427 /*
 428 =====================
 429 CL_Rcon_f
 430
 431   Send the rest of the command line over as
 432   an unconnected command.
 433 =====================
 434 */
 435 static void CL_Rcon_f(cmd_state_t *cmd) // credit: taken from QuakeWorld
 436 {
 437         int i, n;
 438         const char *e;
 439         lhnetsocket_t *mysocket;
 440
 441         if (Cmd_Argc(cmd) == 1)
 442         {
 443                 Con_Printf("%s: Usage: %s command\n", Cmd_Argv(cmd, 0), Cmd_Argv(cmd, 0));
 444                 return;
 445         }
 446
 447         if (!rcon_password.string || !rcon_password.string[0])
 448         {
 449                 Con_Printf ("You must set rcon_password before issuing an rcon command.\n");
 450                 return;
 451         }
 452
 453         e = strchr(rcon_password.string, ' ');
 454         n = e ? e-rcon_password.string : (int)strlen(rcon_password.string);
 455
 456         if (cls.netcon)
 457                 cls.rcon_address = cls.netcon->peeraddress;
 458         else
 459         {
 460                 if (!rcon_address.string[0])
 461                 {
 462                         Con_Printf ("You must either be connected, or set the rcon_address cvar to issue rcon commands\n");
 463                         return;
 464                 }
 465                 LHNETADDRESS_FromString(&cls.rcon_address, rcon_address.string, sv_netport.integer);
 466         }
 467         mysocket = NetConn_ChooseClientSocketForAddress(&cls.rcon_address);
 468         if (mysocket && Cmd_Args(cmd)[0])
 469         {
 470                 // simply put together the rcon packet and send it
 471                 if(Cmd_Argv(cmd, 0)[0] == 's' || rcon_secure.integer > 1)
 472                 {
 473                         if(cls.rcon_commands[cls.rcon_ringpos][0])
 474                         {
 475                                 char s[128];
 476                                 LHNETADDRESS_ToString(&cls.rcon_addresses[cls.rcon_ringpos], s, sizeof(s), true);
 477                                 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]);
 478                                 cls.rcon_commands[cls.rcon_ringpos][0] = 0;
 479                                 --cls.rcon_trying;
 480                         }
 481                         for (i = 0;i < MAX_RCONS;i++)
 482                                 if(cls.rcon_commands[i][0])
 483                                         if (!LHNETADDRESS_Compare(&cls.rcon_address, &cls.rcon_addresses[i]))
 484                                                 break;
 485                         ++cls.rcon_trying;
 486                         if(i >= MAX_RCONS)
 487                                 NetConn_WriteString(mysocket, "\377\377\377\377getchallenge", &cls.rcon_address); // otherwise we'll request the challenge later
 488                         strlcpy(cls.rcon_commands[cls.rcon_ringpos], Cmd_Args(cmd), sizeof(cls.rcon_commands[cls.rcon_ringpos]));
 489                         cls.rcon_addresses[cls.rcon_ringpos] = cls.rcon_address;
 490                         cls.rcon_timeout[cls.rcon_ringpos] = host.realtime + rcon_secure_challengetimeout.value;
 491                         cls.rcon_ringpos = (cls.rcon_ringpos + 1) % MAX_RCONS;
 492                 }
 493                 else if(rcon_secure.integer > 0)
 494                 {
 495                         char buf[1500];
 496                         char argbuf[1500];
 497                         dpsnprintf(argbuf, sizeof(argbuf), "%ld.%06d %s", (long) time(NULL), (int) (rand() % 1000000), Cmd_Args(cmd));
 498                         memcpy(buf, "\377\377\377\377srcon HMAC-MD4 TIME ", 24);
 499                         if(HMAC_MDFOUR_16BYTES((unsigned char *) (buf + 24), (unsigned char *) argbuf, (int)strlen(argbuf), (unsigned char *) rcon_password.string, n))
 500                         {
 501                                 buf[40] = ' ';
 502                                 strlcpy(buf + 41, argbuf, sizeof(buf) - 41);
 503                                 NetConn_Write(mysocket, buf, 41 + (int)strlen(buf + 41), &cls.rcon_address);
 504                         }
 505                 }
 506                 else
 507                 {
 508                         char buf[1500];
 509                         memcpy(buf, "\377\377\377\377", 4);
 510                         dpsnprintf(buf+4, sizeof(buf)-4, "rcon %.*s %s",  n, rcon_password.string, Cmd_Args(cmd));
 511                         NetConn_WriteString(mysocket, buf, &cls.rcon_address);
 512                 }
 513         }
 514 }
 515
 516 /*
 517 ==================
 518 CL_FullServerinfo_f
 519
 520 Sent by server when serverinfo changes
 521 ==================
 522 */
 523 // TODO: shouldn't this be a cvar instead?
 524 static void CL_FullServerinfo_f(cmd_state_t *cmd) // credit: taken from QuakeWorld
 525 {
 526         char temp[512];
 527         if (Cmd_Argc(cmd) != 2)
 528         {
 529                 Con_Printf ("usage: fullserverinfo <complete info string>\n");
 530                 return;
 531         }
 532
 533         strlcpy (cl.qw_serverinfo, Cmd_Argv(cmd, 1), sizeof(cl.qw_serverinfo));
 534         InfoString_GetValue(cl.qw_serverinfo, "teamplay", temp, sizeof(temp));
 535         cl.qw_teamplay = atoi(temp);
 536 }
 537
 538 /*
 539 ==================
 540 CL_FullInfo_f
 541
 542 Allow clients to change userinfo
 543 ==================
 544 Casey was here :)
 545 */
 546 static void CL_FullInfo_f(cmd_state_t *cmd) // credit: taken from QuakeWorld
 547 {
 548         char key[512];
 549         char value[512];
 550         const char *s;
 551
 552         if (Cmd_Argc(cmd) != 2)
 553         {
 554                 Con_Printf ("fullinfo <complete info string>\n");
 555                 return;
 556         }
 557
 558         s = Cmd_Argv(cmd, 1);
 559         if (*s == '\\')
 560                 s++;
 561         while (*s)
 562         {
 563                 size_t len = strcspn(s, "\\");
 564                 if (len >= sizeof(key)) {
 565                         len = sizeof(key) - 1;
 566                 }
 567                 strlcpy(key, s, len + 1);
 568                 s += len;
 569                 if (!*s)
 570                 {
 571                         Con_Printf ("MISSING VALUE\n");
 572                         return;
 573                 }
 574                 ++s; // Skip over backslash.
 575
 576                 len = strcspn(s, "\\");
 577                 if (len >= sizeof(value)) {
 578                         len = sizeof(value) - 1;
 579                 }
 580                 strlcpy(value, s, len + 1);
 581
 582                 CL_SetInfo(key, value, false, false, false, false);
 583
 584                 s += len;
 585                 if (!*s)
 586                 {
 587                         break;
 588                 }
 589                 ++s; // Skip over backslash.
 590         }
 591 }
 592
 593 /*
 594 ==================
 595 CL_SetInfo_f
 596
 597 Allow clients to change userinfo
 598 ==================
 599 */
 600 static void CL_SetInfo_f(cmd_state_t *cmd) // credit: taken from QuakeWorld
 601 {
 602         if (Cmd_Argc(cmd) == 1)
 603         {
 604                 InfoString_Print(cls.userinfo);
 605                 return;
 606         }
 607         if (Cmd_Argc(cmd) != 3)
 608         {
 609                 Con_Printf ("usage: setinfo [ <key> <value> ]\n");
 610                 return;
 611         }
 612         CL_SetInfo(Cmd_Argv(cmd, 1), Cmd_Argv(cmd, 2), true, false, false, false);
 613 }
 614
 615 static void CL_PingPLReport_f(cmd_state_t *cmd)
 616 {
 617         char *errbyte;
 618         int i;
 619         int l = Cmd_Argc(cmd);
 620         if (l > cl.maxclients)
 621                 l = cl.maxclients;
 622         for (i = 0;i < l;i++)
 623         {
 624                 cl.scores[i].qw_ping = atoi(Cmd_Argv(cmd, 1+i*2));
 625                 cl.scores[i].qw_packetloss = strtol(Cmd_Argv(cmd, 1+i*2+1), &errbyte, 0);
 626                 if(errbyte && *errbyte == ',')
 627                         cl.scores[i].qw_movementloss = atoi(errbyte + 1);
 628                 else
 629                         cl.scores[i].qw_movementloss = 0;
 630         }
 631 }
 632
 633 void CL_InitCommands(void)
 634 {
 635         dpsnprintf(cls.userinfo, sizeof(cls.userinfo), "\\name\\player\\team\\none\\topcolor\\0\\bottomcolor\\0\\rate\\10000\\msg\\1\\noaim\\1\\*ver\\dp");
 636
 637         Cvar_RegisterVariable(&cl_name);
 638         Cvar_RegisterAlias(&cl_name, "_cl_name");
 639         Cvar_RegisterVariable(&cl_rate);
 640         Cvar_RegisterAlias(&cl_rate, "_cl_rate");
 641         Cvar_RegisterVariable(&cl_rate_burstsize);
 642         Cvar_RegisterAlias(&cl_rate_burstsize, "_cl_rate_burstsize");
 643         Cvar_RegisterVariable(&cl_pmodel);
 644         Cvar_RegisterAlias(&cl_pmodel, "_cl_pmodel");
 645         Cvar_RegisterVariable(&cl_color);
 646         Cvar_RegisterCallback(&cl_color, CL_Color_c);
 647         Cvar_RegisterVariable(&cl_topcolor);
 648         Cvar_RegisterCallback(&cl_topcolor, CL_Topcolor_c);
 649         Cvar_RegisterVariable(&cl_bottomcolor);
 650         Cvar_RegisterCallback(&cl_bottomcolor, CL_Bottomcolor_c);
 651         Cvar_RegisterVariable(&r_fixtrans_auto);
 652         Cvar_RegisterVariable(&cl_team);
 653         Cvar_RegisterVariable(&cl_skin);
 654         Cvar_RegisterVariable(&cl_noaim);
 655
 656         Cmd_AddCommand(CMD_CLIENT | CMD_CLIENT_FROM_SERVER, "cmd", CL_ForwardToServer_f, "send a console commandline to the server (used by some mods)");
 657         Cmd_AddCommand(CMD_CLIENT, "color", CL_Color_f, "change your player shirt and pants colors");
 658         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");
 659         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");
 660         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)");
 661         Cmd_AddCommand(CMD_CLIENT, "packet", CL_Packet_f, "send a packet to the specified address:port containing a text string");
 662         Cmd_AddCommand(CMD_CLIENT, "fullinfo", CL_FullInfo_f, "allows client to modify their userinfo");
 663         Cmd_AddCommand(CMD_CLIENT, "setinfo", CL_SetInfo_f, "modifies your userinfo");
 664         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");
 665         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)");
 666
 667         // commands that are only sent by server to client for execution
 668         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)");
 669         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");
 670 }