/* Copyright (C) 1996-1997 Id Software, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ // cmd.c -- Quake script command processing module #include "quakedef.h" #include "fs.h" cvar_t ruleset_allow_in = SCVAR("ruleset_allow_in", "1"); cvar_t rcon_level = SCVAR("rcon_level", "20"); cvar_t cmd_maxbuffersize = SCVAR("cmd_maxbuffersize", "65536"); cvar_t dpcompat_set = SCVAR("dpcompat_set", "0"); int Cmd_ExecLevel; qboolean cmd_didwait; qboolean cmd_blockwait; void Cmd_ForwardToServer (void); #define MAX_ALIAS_NAME 32 typedef struct cmdalias_s { struct cmdalias_s *next; char name[MAX_ALIAS_NAME]; char *value; qbyte execlevel; qbyte restriction; int flags; } cmdalias_t; #define ALIAS_FROMSERVER 1 cmdalias_t *cmd_alias; cvar_t cfg_save_all = CVARFD("cfg_save_all", "", CVAR_ARCHIVE|CVAR_NOTFROMSERVER, "If 1, cfg_save ALWAYS saves all cvars. If 0, cfg_save only ever saves archived cvars. If empty, cfg_save saves all cvars only when an explicit filename was given (ie: when not used internally via quit menu options)."); cvar_t cfg_save_auto = CVARFD("cfg_save_auto", "0", CVAR_ARCHIVE|CVAR_NOTFROMSERVER, "If 1, the config will automatically be saved and without prompts. If 0, you'll have to save your config manually (possibly via prompts from the quit menu)."); cvar_t cl_warncmd = CVARF("cl_warncmd", "1", CVAR_NOSAVE|CVAR_NORESET); cvar_t cl_aliasoverlap = CVARF("cl_aliasoverlap", "1", CVAR_NOTFROMSERVER); cvar_t tp_disputablemacros = CVARF("tp_disputablemacros", "1", CVAR_SEMICHEAT); //============================================================================= #define MAX_MACROS 64 typedef struct { char name[32]; char *(*func) (void); int disputableintentions; } macro_command_t; static macro_command_t macro_commands[MAX_MACROS]; static int macro_count = 0; void Cmd_AddMacro(char *s, char *(*f)(void), int disputableintentions) { int i; for (i = 0; i < macro_count; i++) { if (!strcmp(macro_commands[i].name, s)) break; } if (i == MAX_MACROS) Sys_Error("Cmd_AddMacro: macro_count == MAX_MACROS"); Q_strncpyz(macro_commands[macro_count].name, s, sizeof(macro_commands[macro_count].name)); macro_commands[macro_count].func = f; macro_commands[macro_count].disputableintentions = disputableintentions; if (i == macro_count) macro_count++; } char *TP_MacroString (char *s, int *newaccesslevel, int *len) { int i; macro_command_t *macro; for (i = 0; i < macro_count; i++) { macro = ¯o_commands[i]; if (!Q_strcasecmp(s, macro->name)) { if (macro->disputableintentions) if (!tp_disputablemacros.ival) *newaccesslevel = 0; if (len) *len = strlen(macro->name); return macro->func(); } } return NULL; } void Cmd_MacroList_f (void) { int i; if (!macro_count) { Con_Printf("No macros!"); return; } for (i = 0; i < macro_count; i++) Con_Printf ("$%s\n", macro_commands[i].name); } /* ============================================================================= COMMAND BUFFER ============================================================================= */ struct { sizebuf_t buf; int noclear; double waitattime; } cmd_text[RESTRICT_MAX+3+MAX_SPLITS]; //max is local. //RESTRICT_MAX+1 is the from sever buffer (max+2 is for second player...) void Cbuf_Waited(void) { //input packet was sent to server, its okay to continue executing stuff like -attack now cmd_text[RESTRICT_LOCAL].waitattime = 0; } /* ============ Cmd_Wait_f Causes execution of the remainder of the command buffer to be delayed until next frame. This allows commands like: bind g "impulse 5 ; +attack ; wait ; -attack ; impulse 2" ============ */ void Cmd_Wait_f (void) { if (cmd_blockwait) return; #ifndef CLIENTONLY if (cmd_didwait && sv.state) Con_DPrintf("waits without server frames\n"); #endif cmd_didwait = true; cmd_text[Cmd_ExecLevel].waitattime = realtime; } /* lame timers. :s */ typedef struct cmdtimer_s { struct cmdtimer_s *next; float timer; int level; char cmdtext[1]; } cmdtimer_t; static cmdtimer_t *cmdtimers; static void Cmd_ExecuteTimers(void) { cmdtimer_t **link, *t; //FIXME: we should probably insert these in order instead, then early out. //really, it depends on just how many we end up with for(link = &cmdtimers; (t = *link); ) { if (t->timer < realtime) { *link = t->next; Cbuf_InsertText(t->cmdtext, t->level, true); Z_Free(t); } else link = &t->next; } } static void Cmd_In_f(void) { cmdtimer_t *n; float delay = atof(Cmd_Argv(1)); char *cmd; if (Cmd_Argc() < 3) { Con_Printf("%s \n", Cmd_Argv(0)); return; } Cmd_ShiftArgs(1, false); cmd = Cmd_Args(); if (ruleset_allow_in.ival) { n = Z_Malloc(sizeof(*n) + strlen(cmd)); strcpy(n->cmdtext, cmd); n->timer = realtime + delay; n->level = Cmd_ExecLevel; n->next = cmdtimers; cmdtimers = n; } } /* ============ Cbuf_Init ============ */ void Cbuf_Init (void) { int level; for (level = 0; level <= RESTRICT_MAX+1; level++) cmd_text[level].waitattime = -1; } static void Cbuf_WorkerAddText(void *ctx, void *data, size_t a, size_t b) { Cbuf_AddText(data, a); Z_Free(data); } /* ============ Cbuf_AddText Adds command text at the end of the buffer ============ */ void Cbuf_AddText (const char *text, int level) { int l; if (!Sys_IsMainThread()) { COM_AddWork(0, Cbuf_WorkerAddText, NULL, Z_StrDup(text), level, 0); return; } if (level > sizeof(cmd_text)/sizeof(cmd_text[0]) || level < 0) { Con_Printf("Bad execution level\n"); return; //reject. } l = Q_strlen (text); if (!cmd_text[level].buf.maxsize) { cmd_text[level].buf.data = (qbyte*)BZ_Malloc(8192); cmd_text[level].buf.maxsize = 8192; } if (cmd_text[level].buf.cursize + l >= cmd_text[level].buf.maxsize) { int newmax; newmax = cmd_text[level].buf.maxsize*2; if (newmax > cmd_maxbuffersize.ival && cmd_maxbuffersize.ival) { Con_TPrintf ("%s: overflow\n", "Cbuf_AddText"); return; } while (newmax < cmd_text[level].buf.cursize + l) newmax*=2; cmd_text[level].buf.data = (qbyte*)BZ_Realloc(cmd_text[level].buf.data, newmax); cmd_text[level].buf.maxsize = newmax; } SZ_Write (&cmd_text[level].buf, text, Q_strlen (text)); } /* ============ Cbuf_InsertText Adds command text immediately after the current command Adds a \n to the text FIXME: actually change the command buffer to do less copying ============ */ void Cbuf_InsertText (const char *text, int level, qboolean addnl) { char *temp; int templen; if (level > sizeof(cmd_text)/sizeof(cmd_text[0]) || level < 0) { Con_Printf("Bad execution level\n"); return; //reject. } // copy off any commands still remaining in the exec buffer templen = cmd_text[level].buf.cursize; if (templen) { temp = (char*)Z_Malloc (templen+1); Q_memcpy (temp, cmd_text[level].buf.data, templen); SZ_Clear (&cmd_text[level].buf); } else temp = NULL; // shut up compiler // add the entire text of the file Cbuf_AddText (text, level); if (addnl) Cbuf_AddText ("\n", level); // add the copied off data if (templen) { temp[templen] = '\0'; Cbuf_AddText(temp, level); // SZ_Write (&cmd_text[level].buf, temp, templen); Z_Free (temp); } } char *Cbuf_GetNext(int level, qboolean ignoresemicolon) { int i; char *text; int quotes; static char line[1024]; start: text = (char *)cmd_text[level].buf.data; quotes = 0; for (i=0 ; i< cmd_text[level].buf.cursize ; i++) { if (text[i] == '"') quotes++; if ( !(quotes&1) && text[i] == ';' && !ignoresemicolon) break; // don't break if inside a quoted string if (text[i] == '\n') break; } if (i >= sizeof(line)-1) { Con_Printf("Statement too long\n"); return ""; } memcpy (line, text, i); line[i] = 0; // delete the text from the command buffer and move remaining commands down // this is necessary because commands (exec, alias) can insert data at the // beginning of the text buffer if (i == cmd_text[level].buf.cursize) cmd_text[level].buf.cursize = 0; else { i++; cmd_text[level].buf.cursize -= i; memmove (text, text+i, cmd_text[level].buf.cursize); } // Con_Printf("Found \"%s\"\n", line); text=line; while(*text == ' ' || *text == '\t') text++; if (!*text) if (cmd_text[level].buf.cursize) goto start; //should be a while. return text; } char *Cbuf_StripText(int level) //remove all text in the command buffer and return it (so it can be readded later) { char *buf; buf = (char*)Z_Malloc(cmd_text[level].buf.cursize+1); Q_memcpy (buf, cmd_text[level].buf.data, cmd_text[level].buf.cursize); cmd_text[level].buf.cursize = 0; return buf; } void Cbuf_ExecuteLevel (int level) { int i; char *text; char line[1024]; qboolean quotes, comment; while (cmd_text[level].buf.cursize) { if (cmd_text[level].waitattime == realtime) { // skip out while text still remains in buffer, leaving it // for next frame break; } // find a \n or ; line break text = (char *)cmd_text[level].buf.data; quotes = false; comment = false; for (i=0 ; i< cmd_text[level].buf.cursize ; i++) { if (text[i] == '\n') break; if (text[i] == '"') { quotes++; continue; } if (comment || (quotes&1)) continue; if (text[i] == '/' && i+1 < cmd_text[level].buf.cursize && text[i+1] == '/') comment = true; else if (text[i] == ';') break; // don't break if inside a quoted string } if (i >= sizeof(line)) i = sizeof(line)-1; memcpy (line, text, i); line[i] = 0; // delete the text from the command buffer and move remaining commands down // this is necessary because commands (exec, alias) can insert data at the // beginning of the text buffer if (i == cmd_text[level].buf.cursize) cmd_text[level].buf.cursize = 0; else { i++; cmd_text[level].buf.cursize -= i; memmove (text, text+i, cmd_text[level].buf.cursize); } // execute the command line Cmd_ExecuteString (line, level); } } /* ============ Cbuf_Execute ============ */ void Cbuf_Execute (void) { int level; #ifndef SERVERONLY if (cmd_text[RESTRICT_LOCAL].waitattime && cls.state == ca_active) { //keep binds blocked until after the next input frame was sent to the server (at which point it will be cleared //this ensures that wait and +attack etc works synchronously, as though your client never even supported network independance! yay... I guess. cmd_text[RESTRICT_LOCAL].waitattime = realtime; } #endif Cmd_ExecuteTimers(); for (level = 0; level < sizeof(cmd_text)/sizeof(cmd_text[0]); level++) if (cmd_text[level].buf.cursize) Cbuf_ExecuteLevel(level); } /* ============================================================================== SCRIPT COMMANDS ============================================================================== */ /* =============== Cmd_StuffCmds_f Adds command line parameters as script statements Commands lead with a +, and continue until a - or another + quake +prog jctest.qp +cmd amlev1 quake -nosound +cmd amlev1 =============== */ void Cmd_StuffCmds (void) { int i, j; int s; char *text, *build, c; // build the combined string to parse from s = 0; for (i=1 ; i : execute a script file\n"); return; } if (!strcmp(Cmd_Argv(0), "cfg_load")) { f = Cmd_Argv(1); if (!*f) f = "fte"; snprintf(name, sizeof(name)-5, "configs/%s", f); COM_DefaultExtension(name, ".cfg", sizeof(name)); } else Q_strncpyz(name, Cmd_Argv(1), sizeof(name)); if (!FS_FLocateFile(name, FSLF_IFFOUND, &loc) && !FS_FLocateFile(va("%s.cfg", name), FSLF_IFFOUND, &loc)) { Con_TPrintf ("couldn't exec %s\n", name); return; } file = FS_OpenReadLocation(&loc); if (!file) { Con_TPrintf ("couldn't exec %s. check permissions.\n", name); return; } if (cl_warncmd.ival || developer.ival) Con_TPrintf ("execing %s\n",name); l = VFS_GETLEN(file); f = BZ_Malloc(l+1); f[l] = 0; VFS_READ(file, f, l); VFS_CLOSE(file); untrusted = !!(loc.search->flags&SPF_UNTRUSTED); s = f; if (s[0] == '\xef' && s[1] == '\xbb' && s[2] == '\xbf') { Con_DPrintf("Ignoring UTF-8 BOM\n"); s+=3; } if (!strcmp(name, "config.cfg") || !strcmp(name, "fte.cfg")) { //if the config is from id1 and the default.cfg was from some mod, make sure the default.cfg overrides the config. //we won't just exec the default instead, because we can at least retain things which are not specified (ie: a few binds) int cfgdepth = COM_FDepthFile(name, true); int defdepth = COM_FDepthFile("default.cfg", true); if (defdepth < cfgdepth) Cbuf_InsertText("exec default.cfg\n", ((Cmd_FromGamecode() || untrusted) ? RESTRICT_INSECURE : Cmd_ExecLevel), false); //hack to work around the more insideous hacks of other engines. //namely: vid_restart at the end of config.cfg is evil, and NOT desired in FTE as it generally means any saved video settings are wrong. if (l >= 13 && !strcmp(f+l-13, "\nvid_restart\n")) { Con_Printf(CON_WARNING "WARNING: %s came from a different engine\n", loc.rawname); l -= 12; } else if (l >= 14 && !strcmp(f+l-14, "\nvid_restart\r\n")) { Con_Printf(CON_WARNING "WARNING: %s came from a different engine\n", loc.rawname); l -= 13; } f[l] = 0; } // don't execute anything if it was from server (either the stuffcmd/localcmd, or the file) if (!strcmp(name, "default.cfg") && !(Cmd_FromGamecode() || untrusted)) Cbuf_InsertText ("\ncvar_lockdefaults 1\n", ((Cmd_FromGamecode() || untrusted) ? RESTRICT_INSECURE : Cmd_ExecLevel), false); Cbuf_InsertText (s, ((Cmd_FromGamecode() || untrusted) ? RESTRICT_INSECURE : Cmd_ExecLevel), true); BZ_Free(f); } /* =============== Cmd_Echo_f Just prints the rest of the line to the console =============== */ void Cmd_Echo_f (void) { int i; for (i=1 ; inext) { if (!strcmp(s, a->name)) { Con_Printf ("alias %s %s\n", a->name, a->value); return; } } Con_Printf("Alias doesn't exist\n"); } //returns a zoned string. char *Cmd_ParseMultiline(qboolean checkheader) { char *result; char *end; int in = checkheader?0:1; char *s; result = NULL; for(;;) { s = Cbuf_GetNext(Cmd_ExecLevel, false); if (!*s) { if (in) Con_Printf(CON_WARNING "WARNING: Multiline alias was not terminated\n"); break; } while (*s <= ' ' && *s) s++; for (end = s + strlen(s)-1; end >= s && *end <= ' '; end--) *end = '\0'; if (!strcmp(s, "{")) { in++; if (in == 1) continue; //don't embed the first one in the string, because that would be weird. } else if (!strcmp(s, "}")) { in--; if (!in) break; //phew } if (result) { char *newv = (char*)Z_Malloc(strlen(result) + strlen(s) + 2); sprintf(newv, "%s;%s", result, s); Z_Free(result); result = newv; } else result = Z_StrDup(s); if (!in) break; } return result; } /* =============== Cmd_Alias_f Creates a new command that executes a command string (possibly ; seperated) =============== */ void Cmd_Alias_f (void) { cmdalias_t *a, *b; char cmd[1024]; int i, c; char *s; qboolean multiline; if (Cmd_Argc() == 1) //list em all. { if (Cmd_FromGamecode()) { if (Cmd_ExecLevel==RESTRICT_SERVER) { Con_TPrintf ("Current alias commands:\n"); for (a = cmd_alias ; a ; a=a->next) { if (a->flags & ALIAS_FROMSERVER) Con_Printf ("%s : %s\n", a->name, a->value); } } } else { Con_TPrintf ("Current alias commands:\n"); for (a = cmd_alias ; a ; a=a->next) { /* extern int con_linewidth; if (strlen(a->value)+strlen(a->name)+3 > con_linewidth) Con_Printf ("%s ...\n", a->name); else*/ Con_Printf ("%s : %s\n", a->name, a->value); } } return; } s = Cmd_Argv(1); if (strlen(s) >= MAX_ALIAS_NAME || !strcmp(s, "say")) //reject aliasing the say command. We use it as an easy way to warn that our player is cheating. { Con_TPrintf ("Alias name is too long\n"); return; } if (!cl_aliasoverlap.value) { if (Cvar_FindVar (s)) { if (Cmd_IsInsecure()) { snprintf(cmd, sizeof(cmd), "%s_a", s); Con_Printf ("Can't register alias, %s is a cvar\nAlias has been named %s instead\n", s, cmd); s = cmd; } else { Con_Printf ("Can't register alias, %s is a cvar\n", s); return; } } // check for overlap with a command if (Cmd_Exists (s)) { if (Cmd_IsInsecure()) { snprintf(cmd, sizeof(cmd), "%s_a", s); Con_Printf ("Can't register alias, %s is a command\nAlias has been named %s instead\n", s, cmd); s = cmd; } else { Con_Printf ("Can't register alias, %s is a command\n", s); return; } } } // if the alias already exists, reuse it for (a = cmd_alias ; a ; a=a->next) { if (!strcmp(s, a->name)) { if ((a->restriction?a->restriction:rcon_level.ival) > Cmd_ExecLevel) { Con_TPrintf ("Alias is already bound with a higher restriction\n"); return; } if (!stricmp(Cmd_Argv(0), "newalias")) return; //newalias command only registers the alias if it is new, and does not change it if it already exists Z_Free (a->value); break; } } if (!a) { a = (cmdalias_t*)Z_Malloc (sizeof(cmdalias_t)); a->next = cmd_alias; cmd_alias = a; } if (Cmd_FromGamecode()) a->flags |= ALIAS_FROMSERVER; else a->flags &= ~ALIAS_FROMSERVER; strcpy (a->name, s); multiline = false; if (Cmd_Argc() == 2) //check the next statement for being '{' { char *line, *end; line = Cbuf_GetNext(Cmd_ExecLevel, false); while(*line <= ' ' && *line) //skip leading whitespace. line++; for (end = line + strlen(line)-1; end >= line && *end <= ' '; end--) //skip trailing *end = '\0'; if (!strcmp(line, "{")) multiline = true; else Cbuf_InsertText(line, Cmd_ExecLevel, true); //whoops. Stick the trimmed string back in to the cbuf. } else if (!strcmp(Cmd_Argv(2), "{")) multiline = true; if (multiline) { //fun! MULTILINE ALIASES!!!! a->value = Cmd_ParseMultiline(false); return; } // copy the rest of the command line cmd[0] = 0; // start out with a null string c = Cmd_Argc(); for (i=2 ; i< c ; i++) { strcat (cmd, Cmd_Argv(i)); if (i != c-1) strcat (cmd, " "); } if (!*cmd) //someone wants to wipe it. let them { if (a == cmd_alias) { cmd_alias = a->next; Z_Free(a); return; } else { for (b = cmd_alias ; b ; b=b->next) { if (b->next == a) { b->next = a->next; Z_Free(a); return; } } } } if (Cmd_FromGamecode()) { a->execlevel = RESTRICT_SERVER; //server-set aliases MUST run at the server's level. a->restriction = 1; //and be runnable at the user's level } else { a->execlevel = 0; //run at users exec level a->restriction = 1; //this is possibly a security risk if the admin also changes execlevel } a->value = Z_StrDup (cmd); } void Cmd_DeleteAlias(char *name) { cmdalias_t *a, *b; if (!strcmp(cmd_alias->name, name)) { a = cmd_alias; cmd_alias = cmd_alias->next; Z_Free(a->value); Z_Free(a); return; } for (a = cmd_alias ; a ; a=a->next) { if (!strcmp(a->next->name, name)) { b = a->next; a->next = b->next; Z_Free(b->value); Z_Free(b); return; } } } char *Cmd_AliasExist(const char *name, int restrictionlevel) { cmdalias_t *a; // if the alias already exists, reuse it for (a = cmd_alias ; a ; a=a->next) { if (!strcmp(name, a->name)) { if ((a->restriction?a->restriction:rcon_level.ival) > restrictionlevel) { return NULL; //not at this level... } return a->value; } } return NULL; } void Cmd_AliasLevel_f (void) { cmdalias_t *a; char *s = Cmd_Argv(1); int level; if (Cmd_Argc() < 2 || Cmd_Argc() > 3) { Con_TPrintf("aliaslevel [execlevel]\n"); return; } for (a = cmd_alias ; a ; a=a->next) { if (!strcmp(s, a->name)) { break; } } if (!a) { Con_TPrintf("Alias not found\n"); return; } if (Cmd_Argc() == 3) { level = atoi(Cmd_Argv(2)); if (level > RESTRICT_MAX) { level = RESTRICT_MAX; } else if (level < RESTRICT_MIN) level = RESTRICT_MIN; if (level > Cmd_ExecLevel || (a->restriction?a->restriction:rcon_level.ival) > Cmd_ExecLevel) { Con_TPrintf("You arn't allowed to raise a command above your own level\n"); return; } a->execlevel = level; if (a->restriction == 1) Con_TPrintf("WARNING: %s is available to all clients, any client will be able to use it at the new level.\n", a->name); } else Con_TPrintf("alias %s is set to run at the user level of %i\n", s, a->execlevel); } //lists commands, also prints restriction level void Cmd_AliasList_f (void) { cmdalias_t *cmd; int num=0; int flags; if (!strcmp(Cmd_Argv(1), "server")) flags = ALIAS_FROMSERVER; else flags = 0; for (cmd=cmd_alias ; cmd ; cmd=cmd->next) { if ((cmd->restriction?cmd->restriction:rcon_level.ival) > Cmd_ExecLevel) continue; if (flags && !(cmd->flags & flags)) continue; if (!num) Con_TPrintf("Alias list:\n"); if (cmd->execlevel) Con_Printf("(%2i)(%2i) %s\n", (int)(cmd->restriction?cmd->restriction:rcon_level.ival), cmd->execlevel, cmd->name); else Con_Printf("(%2i) %s\n", (int)(cmd->restriction?cmd->restriction:rcon_level.ival), cmd->name); num++; } if (num) Con_Printf("\n"); } void Alias_WriteAliases (vfsfile_t *f) { char *s; cmdalias_t *cmd; int num=0; char buf[2048]; for (cmd=cmd_alias ; cmd ; cmd=cmd->next) { // if ((cmd->restriction?cmd->restriction:rcon_level.ival) > Cmd_ExecLevel) // continue; if (cmd->flags & ALIAS_FROMSERVER) continue; if (!num) { s = va("\n//////////////////\n//Aliases\n"); VFS_WRITE(f, s, strlen(s)); } s = va("alias %s %s\n", cmd->name, COM_QuotedString(cmd->value, buf, sizeof(buf), false)); VFS_WRITE(f, s, strlen(s)); if (cmd->restriction != 1) //1 is default { s = va("restrict %s %i\n", cmd->name, cmd->restriction); VFS_WRITE(f, s, strlen(s)); } if (cmd->execlevel != 0) //0 is default (runs at user's level) { s = va("aliaslevel %s %i\n", cmd->name, cmd->execlevel); VFS_WRITE(f, s, strlen(s)); } num++; } } void Alias_WipeStuffedAliases(void) { cmdalias_t **link, *cmd; for (link=&cmd_alias ; (cmd=*link) ; ) { if (cmd->flags & ALIAS_FROMSERVER) { *link = cmd->next; Z_Free(cmd->value); Z_Free(cmd); } else link=&(*link)->next; } } void Cvar_List_f (void); void Cvar_Reset_f (void); void Cvar_LockDefaults_f(void); void Cvar_PurgeDefaults_f(void); /* ============================================================================= COMMAND EXECUTION ============================================================================= */ typedef struct cmd_function_s { struct cmd_function_s *next; char *name; char *description; xcommand_t function; qbyte restriction; //restriction of admin level } cmd_function_t; #define MAX_ARGS 80 static int cmd_argc; static char *cmd_argv[MAX_ARGS]; static char *cmd_null_string = ""; static char *cmd_args = NULL, *cmd_args_buf; static cmd_function_t *cmd_functions; // possible commands to execute /* ============ Cmd_Argc ============ */ int VARGS Cmd_Argc (void) { return cmd_argc; } /* ============ Cmd_Argv ============ */ char *VARGS Cmd_Argv (int arg) { if ( arg >= cmd_argc ) return cmd_null_string; return cmd_argv[arg]; } /* ============ Cmd_Args Returns a single string containing argv(1) to argv(argc()-1) ============ */ char *VARGS Cmd_Args (void) { if (!cmd_args) return ""; return cmd_args; } void Cmd_Args_Set(const char *newargs) { if (cmd_args_buf) Z_Free(cmd_args_buf); if (newargs) { cmd_args_buf = (char*)Z_Malloc (Q_strlen(newargs)+1); Q_strcpy (cmd_args_buf, newargs); cmd_args = cmd_args_buf; } else { cmd_args = NULL; cmd_args_buf = NULL; } } /* ============ Cmd_ShiftArgs Shifts Cmd_Argv results down one (killing first param) ============ */ void Cmd_ShiftArgs (int ammount, qboolean expandstring) { int arg; while (ammount>0 && cmd_argc) { arg=0; cmd_argc--; Z_Free(cmd_argv[0]); while ( arg < cmd_argc ) { cmd_argv[arg] = cmd_argv[arg+1]; arg++; } cmd_argv[arg]=NULL; ammount--; if (cmd_args) { cmd_args = COM_StringParse(cmd_args, com_token, sizeof(com_token), expandstring, false); if (cmd_args) while(*cmd_args == ' ' || *cmd_args == '\t') cmd_args++; } } } char *Cmd_ExpandCvar(char *cvarname, int maxaccesslevel, int *newaccesslevel, int *len) { char *ret = NULL, *end, *namestart; char *fixup = NULL, fixval=0; cvar_t *var; static char temp[12]; unsigned int result; namestart = cvarname; if (*cvarname == '{') { fixup = &cvarname[strlen(cvarname)-1]; if (*fixup != '}') return NULL; fixval = *fixup; *fixup = 0; cvarname++; } else { fixup = &cvarname[strlen(cvarname)]; fixval = *fixup; } result = strtoul(cvarname, &end, 10); if (fixval && *end == 0) //only expand $0 if its actually ${0} - this avoids conflicting with the $0 macro { //purely numerical ret = Cmd_Argv(result); } else if (!strcmp(cvarname, "*") || !stricmp(cvarname, "cmd_args")) { ret = Cmd_Args(); } else if (!strnicmp(cvarname, "cmd_argv", 8)) { ret = Cmd_Argv(atoi(cvarname+8)); } else if (!stricmp(cvarname, "cmd_argc")) { Q_snprintfz(temp, sizeof(temp), "%u", Cmd_Argc()); ret = temp; } else if ( (var = Cvar_FindVar(cvarname)) != NULL ) { if (var->restriction <= maxaccesslevel && !((var->flags & CVAR_NOUNSAFEEXPAND) && Cmd_IsInsecure())) { ret = var->string; if (var->flags & CVAR_TEAMPLAYTAINT) //if we're only allowed to expand this for teamplay, then switch access levels *newaccesslevel = 0; } } *fixup = fixval; if (ret) { *len = fixup - namestart; if (fixval) (*len)++; } return ret; } /* ================ Cmd_ExpandString Expands all $cvar expressions to cvar values If not SERVERONLY, also expands $macro expressions Note: dest must point to a 1024 byte buffer ================ */ char *Cmd_ExpandString (char *data, char *dest, int destlen, int *accesslevel, qboolean expandcvars, qboolean expandmacros) { unsigned int c; char buf[255]; int i, len; int quotes = 0; char *str; char *bestvar; int name_length, var_length; qboolean striptrailing; int maxaccesslevel = *accesslevel; len = 0; while ( (c = *data) != 0) { if (c == '"') quotes++; if (c == '$' && !(quotes&1)) { data++; striptrailing = (*data == '-')?true:false; // Copy the text after '$' to a temp buffer i = 0; buf[0] = 0; buf[1] = 0; bestvar = NULL; var_length = 0; while ((c = *data) > 32) { if (c == '$') break; data++; buf[i++] = c; buf[i] = 0; if (expandcvars && (str = Cmd_ExpandCvar(buf+striptrailing, maxaccesslevel, accesslevel, &var_length))) bestvar = str; if (expandmacros && (str = TP_MacroString (buf+striptrailing, accesslevel, &var_length))) bestvar = str; } if (bestvar) { str = bestvar; name_length = var_length; } else { str = NULL; name_length = 0; } if (str) { // check buffer size if (len + strlen(str) >= destlen-1) break; strcpy(&dest[len], str); len += strlen(str); i = name_length; while (buf[i]) dest[len++] = buf[i++]; if (striptrailing && !*str) while(*data <= ' ' && *data) data++; } else { // no matching cvar or macro dest[len++] = '$'; if (len + strlen(buf) >= destlen-1) break; strcpy (&dest[len], buf); len += strlen(buf); } } else { dest[len] = c; data++; len++; if (len >= destlen-1) break; } }; dest[len] = 0; if (len && dest[len-1] == '\r') //with dos line endings, don't add some pointless \r char on the end. dest[len-1] = 0; return dest; } char *Cmd_ExpandStringArguments (char *data, char *dest, int destlen) { char c; int quotes = 0; int len = 0; char *str, *strend; int old_len; while ( (c = *data) != 0) { if (c == '"') quotes++; if (c == '%' && !(quotes&1)) { if (data[1] == '%') { str = "%"; old_len = 2; } else if (data[1] == '#') { str = va("\"%s\"", Cmd_Args()); old_len = 2; } else if (data[1] == '*') { str = Cmd_Args(); old_len = 2; } else if (strtol(data+1, &strend, 10)) { str = Cmd_Argv(atoi(data+1)); old_len = strend - data; } else { str = NULL; old_len = 0; } if (str) { // check buffer size if (len + strlen(str) >= destlen-1) break; strcpy(&dest[len], str); len += strlen(str); dest[len] = 0; data += old_len; continue; } } dest[len] = c; data++; len++; dest[len] = 0; if (len >= destlen-1) break; } dest[len] = 0; return dest; } /* ============ Cmd_TokenizeString Parses the given string into command line tokens, stopping at the \n ============ */ const char *Cmd_TokenizeString (const char *text, qboolean expandmacros, qboolean qctokenize) { int i; // clear the args from the last string for (i=0 ; inext) { if (!Q_strcmp (cmd_name, cmd->name)) { if (cmd->function == function) //happens a lot with q3 Con_DPrintf ("Cmd_AddCommand: %s already defined\n", cmd_name); else { Con_Printf ("Cmd_AddCommand: %s already defined\n", cmd_name); break; } return false; } } cmd = (cmd_function_t*)Z_Malloc (sizeof(cmd_function_t)+strlen(cmd_name)+1); cmd->name = (char*)(cmd+1); cmd->description = desc; strcpy(cmd->name, cmd_name); cmd->function = function; cmd->next = cmd_functions; cmd->restriction = 0; cmd_functions = cmd; return true; } qboolean Cmd_AddCommand (char *cmd_name, xcommand_t function) { return Cmd_AddCommandD(cmd_name, function, NULL); } void Cmd_RemoveCommand (char *cmd_name) { cmd_function_t *cmd, **back; back = &cmd_functions; while (1) { cmd = *back; if (!cmd) { // Con_Printf ("Cmd_RemoveCommand: %s not added\n", cmd_name); return; } if (!strcmp (cmd_name, cmd->name)) { *back = cmd->next; Z_Free (cmd); return; } back = &cmd->next; } } void Cmd_RemoveCommands (xcommand_t function) { cmd_function_t *cmd, **back; for (back = &cmd_functions; (cmd = *back); ) { if (cmd->function == function) { *back = cmd->next; Z_Free (cmd); continue; } back = &cmd->next; } } void Cmd_RestrictCommand_f (void) { cmdalias_t *a; cvar_t *v; cmd_function_t *cmd; char *cmd_name = Cmd_Argv(1); int level; if (Cmd_Argc() != 3 && Cmd_Argc() != 2) { Con_Printf("restrict [level]\n"); return; } if (Cmd_Argc() > 2) { level = atoi(Cmd_Argv(2)); if (level > RESTRICT_MAX) { level = RESTRICT_MAX; if (level > Cmd_ExecLevel) { Con_TPrintf("You arn't allowed to raise a command above your own level\n"); return; } } else if (level < RESTRICT_MIN) level = RESTRICT_MIN; } else level = 0; //commands for (cmd=cmd_functions ; cmd ; cmd=cmd->next) { if (!Q_strcmp (cmd_name, cmd->name)) { if (Cmd_Argc() == 2) { if (cmd->restriction) Con_TPrintf ("%s is restricted to %i\n", cmd_name, (int)cmd->restriction); else Con_TPrintf ("%s is restricted to rcon_level (%i)\n", cmd_name, rcon_level.ival); } else if ((cmd->restriction?cmd->restriction:rcon_level.ival) > Cmd_ExecLevel) Con_TPrintf("You arn't allowed to alter a level above your own\n"); else cmd->restriction = level; return; } } //cvars v = Cvar_FindVar(cmd_name); if (v) { if (Cmd_Argc() == 2) { if (v->restriction) Con_TPrintf ("%s is restricted to %i\n", cmd_name, (int)v->restriction); else Con_TPrintf ("%s is restricted to rcon_level (%i)\n", cmd_name, rcon_level.ival); } else if ((v->restriction?v->restriction:rcon_level.ival) > Cmd_ExecLevel) Con_TPrintf("You arn't allowed to alter a level above your own\n"); else v->restriction = level; return; } // check alias for (a=cmd_alias ; a ; a=a->next) { if (!Q_strcasecmp (cmd_name, a->name)) { if (Cmd_Argc() == 2) { if (a->restriction) Con_TPrintf ("%s is restricted to %i\n", cmd_name, (int)a->restriction); else Con_TPrintf ("%s is restricted to rcon_level (%i)\n", cmd_name, rcon_level.ival); } else if ((a->restriction?a->restriction:rcon_level.ival) > Cmd_ExecLevel) Con_TPrintf("You arn't allowed to alter a level above your own\n"); else a->restriction = level; return; } } Con_TPrintf ("restrict: %s not defined\n", cmd_name); return; } int Cmd_Level(char *name) { cmdalias_t *a; cmd_function_t *cmds; for (cmds = cmd_functions; cmds; cmds=cmds->next) { if (!strcmp(cmds->name, name)) { return cmds->restriction?cmds->restriction:rcon_level.ival; } } for (a=cmd_alias ; a ; a=a->next) { if (!strcmp(a->name, name)) { return a->restriction?a->restriction:Cmd_ExecLevel; } } return -1; } /* ============ Cmd_Exists ============ */ qboolean Cmd_Exists (const char *cmd_name) { cmd_function_t *cmd; for (cmd=cmd_functions ; cmd ; cmd=cmd->next) { if (!Q_strcmp (cmd_name,cmd->name)) return true; } return false; } /* ============ Cmd_Exists ============ */ char *Cmd_Describe (char *cmd_name) { cmd_function_t *cmd; for (cmd=cmd_functions ; cmd ; cmd=cmd->next) { if (!Q_strcmp (cmd_name,cmd->name)) return cmd->description; } return NULL; } /* ============ Cmd_CompleteCommand ============ */ typedef struct { int matchnum; qboolean allowcutdown; qboolean cutdown; char result[256]; char *desc; } match_t; void Cmd_CompleteCheck(char *check, match_t *match, char *desc) //compare cumulative strings and join the result { if (*match->result) { char *r; if (match->allowcutdown) { for(r = match->result; *r == *check && *r; r++, check++) ; *r = '\0'; match->cutdown = true; if (match->matchnum > 0) match->matchnum--; } else if (match->matchnum > 0) { strcpy(match->result, check); match->desc = desc; match->matchnum--; } } else { if (match->matchnum > 0) match->matchnum--; strcpy(match->result, check); match->desc = desc; } } char *Cmd_CompleteCommand (char *partial, qboolean fullonly, qboolean caseinsens, int matchnum, char **descptr) { extern cvar_group_t *cvar_groups; cmd_function_t *cmd; int len; cmdalias_t *a; static match_t match; cvar_group_t *grp; cvar_t *cvar; char *sp; sp = strchr(partial, ' '); if (sp) len = sp - partial; else len = Q_strlen(partial); if (descptr) *descptr = NULL; if (!len) return NULL; if (matchnum == -1) len++; match.allowcutdown = !fullonly?true:false; match.cutdown = false; match.desc = NULL; if (matchnum) match.matchnum = matchnum; else match.matchnum = 0; strcpy(match.result, ""); // check for partial match if (caseinsens) { for (cmd=cmd_functions ; cmd ; cmd=cmd->next) if (!Q_strncasecmp (partial,cmd->name, len) && (matchnum == -1 || !partial[len] || strlen(cmd->name) == len)) Cmd_CompleteCheck(cmd->name, &match, cmd->description); for (a=cmd_alias ; a ; a=a->next) if (!Q_strncasecmp (partial, a->name, len) && (matchnum == -1 || !partial[len] || strlen(a->name) == len)) Cmd_CompleteCheck(a->name, &match, ""); for (grp=cvar_groups ; grp ; grp=grp->next) for (cvar=grp->cvars ; cvar ; cvar=cvar->next) { if (!Q_strncasecmp (partial,cvar->name, len) && (matchnum == -1 || !partial[len] || strlen(cvar->name) == len)) Cmd_CompleteCheck(cvar->name, &match, cvar->description); if (cvar->name2 && !Q_strncasecmp (partial,cvar->name2, len) && (matchnum == -1 || !partial[len] || strlen(cvar->name2) == len)) Cmd_CompleteCheck(cvar->name2, &match, cvar->description); } } else { for (cmd=cmd_functions ; cmd ; cmd=cmd->next) if (!Q_strncmp (partial,cmd->name, len) && (matchnum == -1 || !partial[len] || strlen(cmd->name) == len)) Cmd_CompleteCheck(cmd->name, &match, cmd->description); for (a=cmd_alias ; a ; a=a->next) if (!Q_strncmp (partial, a->name, len) && (matchnum == -1 || !partial[len] || strlen(a->name) == len)) Cmd_CompleteCheck(a->name, &match, ""); for (grp=cvar_groups ; grp ; grp=grp->next) for (cvar=grp->cvars ; cvar ; cvar=cvar->next) { if (!Q_strncmp (partial,cvar->name, len) && (matchnum == -1 || !partial[len] || strlen(cvar->name) == len)) Cmd_CompleteCheck(cvar->name, &match, cvar->description); if (cvar->name2 && !Q_strncmp (partial,cvar->name2, len) && (matchnum == -1 || !partial[len] || strlen(cvar->name2) == len)) Cmd_CompleteCheck(cvar->name2, &match, cvar->description); } } if (match.matchnum>0) return NULL; if (!*match.result) return NULL; if (descptr) *descptr = match.desc; return match.result; } //lists commands, also prints restriction level void Cmd_List_f (void) { cmd_function_t *cmd; int num=0; for (cmd=cmd_functions ; cmd ; cmd=cmd->next) { if ((cmd->restriction?cmd->restriction:rcon_level.ival) > Cmd_ExecLevel) continue; if (!num) Con_TPrintf("Command list:\n"); Con_Printf("(%2i) %s\n", (int)(cmd->restriction?cmd->restriction:rcon_level.ival), cmd->name); num++; } if (num) Con_Printf("\n"); } //I'm not personally keen on this name, but its somewhat standard in both DP and suse (which lh uses, hence why DP uses that name). oh well. void Cmd_Apropos_f (void) { extern cvar_group_t *cvar_groups; cmd_function_t *cmd; cvar_group_t *grp; cvar_t *var; char *name; char escapedvalue[1024]; char latchedvalue[1024]; char *query = Cmd_Argv(1); for (grp=cvar_groups ; grp ; grp=grp->next) for (var=grp->cvars ; var ; var=var->next) { if (var->name && Q_strcasestr(var->name, query)) name = var->name; else if (var->name2 && Q_strcasestr(var->name2, query)) name = var->name2; else if (var->description && Q_strcasestr(var->description, query)) name = var->name; else continue; COM_QuotedString(var->string, escapedvalue, sizeof(escapedvalue), false); if (var->latched_string) { COM_QuotedString(var->latched_string, latchedvalue, sizeof(latchedvalue), false); Con_Printf("cvar ^2%s^7: %s (effective %s): %s\n", name, latchedvalue, escapedvalue, var->description?var->description:"no description"); } else Con_Printf("cvar ^2%s^7: %s : %s\n", name, escapedvalue, var->description?var->description:"no description"); } for (cmd=cmd_functions ; cmd ; cmd=cmd->next) { if (cmd->name && Q_strcasestr(cmd->name, query)) ; else if (cmd->description && strstr(cmd->description, query)) ; else continue; Con_Printf("command ^2%s^7: %s\n", cmd->name, cmd->description?cmd->description:"no description"); } //FIXME: add aliases. } #ifndef SERVERONLY // FIXME /* =================== Cmd_ForwardToServer adds the current command line as a clc_stringcmd to the client message. things like godmode, noclip, etc, are commands directed to the server, so when they are typed in at the console, they will need to be forwarded. =================== */ void Cmd_ForwardToServer (void) { int sp; if (cls.state == ca_disconnected) { if (cl_warncmd.ival) Con_TPrintf ("Can't \"%s\", not connected\n", Cmd_Argv(0)); return; } if (cls.demoplayback) return; // not really connected #ifdef Q3CLIENT if (cls.protocol == CP_QUAKE3) { CLQ3_SendClientCommand("%s %s", Cmd_Argv(0), Cmd_Args()); return; } #endif sp = CL_TargettedSplit(false); if (sp) { if (Cmd_Argc() > 1) CL_SendClientCommand(true, "%i %s %s", sp+1, Cmd_Argv(0), Cmd_Args()); else CL_SendClientCommand(true, "%i %s", sp+1, Cmd_Argv(0)); } else { if (Cmd_Argc() > 1) CL_SendClientCommand(true, "%s %s", Cmd_Argv(0), Cmd_Args()); else CL_SendClientCommand(true, "%s", Cmd_Argv(0)); } } // don't forward the first argument void Cmd_ForwardToServer_f (void) { if (cls.state == ca_disconnected) { Con_TPrintf ("Can't \"%s\", not connected\n", Cmd_Argv(0)); return; } if (Q_strcasecmp(Cmd_Argv(1), "snap") == 0 && cls.protocol == CP_QUAKEWORLD) { if (SCR_RSShot()) return; } if (Q_strcasecmp(Cmd_Argv(1), "pext") == 0 && (cls.protocol != CP_NETQUAKE || cls.protocol_nq != CPNQ_ID || cls.netchan.remote_address.type != NA_LOOPBACK)) { //don't send any extension flags this if we're using cl_loopbackprotocol nqid, purely for a compat test. //if you want to record compat-demos, disable extensions instead. unsigned int fp1 = Net_PextMask(1, cls.protocol == CP_NETQUAKE), fp2 = Net_PextMask(2, cls.protocol == CP_NETQUAKE); CL_SendClientCommand(true, "pext %#x %#x %#x %#x", PROTOCOL_VERSION_FTE, fp1, PROTOCOL_VERSION_FTE2, fp2); return; } if (Q_strcasecmp(Cmd_Argv(1), "ptrack") == 0) { playerview_t *pv = &cl.playerview[CL_TargettedSplit(false)]; if (!*Cmd_Argv(2)) Cam_Unlock(pv); else Cam_Lock(pv, atoi(Cmd_Argv(2))); return; } if (Cmd_Argc() > 1) { int split = CL_TargettedSplit(true); if (split) CL_SendClientCommand(true, "%i %s", split+1, Cmd_Args()); else CL_SendClientCommand(true, "%s", Cmd_Args()); } } #else void Cmd_ForwardToServer (void) { } #endif /* ============ Cmd_ExecuteString A complete command line has been parsed, so try to execute it FIXME: lookupnoadd the token to speed search? ============ */ void Cmd_ExecuteString (char *text, int level) { //WARNING: PF_checkcommand should match the order. cmd_function_t *cmd; cmdalias_t *a; char dest[8192]; text = Cmd_ExpandString(text, dest, sizeof(dest), &level, !Cmd_IsInsecure()?true:false, true); Cmd_TokenizeString (text, level == RESTRICT_LOCAL?true:false, false); // execute the command line if (!Cmd_Argc()) return; // no tokens // check functions for (cmd=cmd_functions ; cmd ; cmd=cmd->next) { if (!Q_strcasecmp (cmd_argv[0],cmd->name)) { if (strcmp (cmd_argv[0],cmd->name)) break; //yes, I know we found it... (but it's the wrong case, go for an alias or cvar instead FIRST) if (!level) break; if ((cmd->restriction?cmd->restriction:rcon_level.ival) > level) Con_TPrintf("cmd '%s' was restricted.\n", cmd_argv[0]); else if (!cmd->function) { #ifdef VM_CG if (CG_Command()) return; #endif #ifdef Q3SERVER if (SVQ3_Command()) return; #endif #ifdef VM_UI if (UI_Command()) return; #endif if (Cmd_AliasExist(cmd_argv[0], level)) break; //server stuffed an alias for a command that it would already have received. use that instead. #if defined(CSQC_DAT) && !defined(SERVERONLY) if (CSQC_ConsoleCommand(text)) return; //let the csqc handle it if it wants. #endif Cmd_ForwardToServer (); } else { int olev = Cmd_ExecLevel; Cmd_ExecLevel = level; cmd->function (); Cmd_ExecLevel = olev; } return; } } // check alias for (a=cmd_alias ; a ; a=a->next) { if (!Q_strcasecmp (cmd_argv[0], a->name)) { int execlevel; #ifndef SERVERONLY //an emergency escape mechansim, to avoid infinatly recursing aliases. extern qboolean keydown[]; if (keydown[K_SHIFT] && (keydown[K_LCTRL]||keydown[K_RCTRL]) && (keydown[K_LALT]||keydown[K_RALT])) return; #endif if (!level) execlevel = level; else { if ((a->restriction?a->restriction:rcon_level.ival) > level) { Con_TPrintf("alias '%s' was restricted.\n", cmd_argv[0]); return; } if (a->execlevel) execlevel = a->execlevel; else execlevel = level; } Cbuf_InsertText ("\n", execlevel, false); // if the alias value is a command or cvar and // the alias is called with parameters, add them if (Cmd_Argc() > 1 && (!strncmp(a->value, "cmd ", 4) || (!strchr(a->value, ' ') && !strchr(a->value, '\t') && (Cvar_FindVar(a->value) || (Cmd_Exists(a->value) && a->value[0] != '+' && a->value[0] != '-')))) ) { Cbuf_InsertText (Cmd_Args(), execlevel, false); Cbuf_InsertText (" ", execlevel, false); } Cmd_ExpandStringArguments (a->value, dest, sizeof(dest)); Cbuf_InsertText (dest, execlevel, false); Con_DPrintf("Execing alias %s:\n%s\n", a->name, a->value); return; } } // check cvars if (Cvar_Command (level)) return; if (!level) { char *tpcmds[] = { "if", "wait", /*would be nice to include alias in here*/ "say", "say_team", "echo", /*display stuff, because it would be useless otherwise*/ "set_tp", "set", "set_calc", "inc", /*because scripting variables is fun. not.*/ "tp_point", "tp_pickup", "tp_took" /*updates what the $took etc macros are allowed to generate*/ }; if (cmd) { for (level = 0; level < countof(tpcmds); level++) { if (!strcmp(cmd_argv[0], tpcmds[level])) { int olev = Cmd_ExecLevel; Cmd_ExecLevel = 0; if (!cmd->function) Cmd_ForwardToServer (); else cmd->function(); Cmd_ExecLevel = olev; return; } } } Con_TPrintf("'%s' is not permitted in combination with teamplay macros.\n", cmd_argv[0]); return; } if (cmd) //go for skipped ones { if ((cmd->restriction?cmd->restriction:rcon_level.ival) > level) Con_TPrintf("'%s' was restricted.\n", cmd_argv[0]); else if (!cmd->function) Cmd_ForwardToServer (); else { int olev = Cmd_ExecLevel; Cmd_ExecLevel = level; cmd->function (); Cmd_ExecLevel = olev; } return; } #ifndef SERVERONLY #ifdef CSQC_DAT if (CSQC_ConsoleCommand(text)) return; #endif #endif #ifdef PLUGINS if (Plugin_ExecuteString()) return; #endif #ifndef CLIENTONLY if (sv.state) { if (PR_ConsoleCmd(text)) return; } #endif #ifdef VM_CG if (CG_Command()) return; #endif #ifdef Q3SERVER if (SVQ3_Command()) return; #endif #ifdef VM_UI if (UI_Command()) return; #endif #ifdef Q2CLIENT if (cls.protocol == CP_QUAKE2 || cls.protocol == CP_QUAKE3) { //q2 servers convert unknown commands to text. Cmd_ForwardToServer(); return; } #endif if ((cl_warncmd.value && level <= RESTRICT_LOCAL) || developer.value) Con_TPrintf ("Unknown command \"%s\"\n", Cmd_Argv(0)); } /* ================ Cmd_CheckParm Returns the position (1 to argc-1) in the command's argument list where the given parameter apears, or 0 if not present ================ */ int Cmd_CheckParm (char *parm) { int i; if (!parm) Sys_Error ("Cmd_CheckParm: NULL"); for (i = 1; i < Cmd_Argc (); i++) if (! Q_strcasecmp (parm, Cmd_Argv (i))) return i; return 0; } typedef struct tempstack_s{ struct tempstack_s *next; char str[1]; } tempstack_t; static tempstack_t *ifstack; static void If_Token_Clear (tempstack_t *mark) { tempstack_t *ois; while(ifstack) { if (ifstack == mark) break; ois = ifstack; ifstack = ifstack->next; Z_Free(ois); } } static tempstack_t *If_Token_GetMark (void) { return ifstack; } static const char *retstring(const char *s) { tempstack_t *ret; ret = (tempstack_t*)Z_Malloc(sizeof(tempstack_t)+strlen(s)); ret->next = ifstack; ifstack=ret; strcpy(ret->str, s); return ret->str; } static const char *retint(int f) { char s[1024]; tempstack_t *ret; if (!f) return ""; sprintf(s, "%d", f); ret = (tempstack_t*)Z_Malloc(sizeof(tempstack_t)+strlen(s)); ret->next = ifstack; ifstack=ret; strcpy(ret->str, s); return ret->str; } static const char *retbool(qboolean b) { if (b) return "1"; return ""; } static const char *retfloat(float f) { char s[1024]; tempstack_t *ret; if (!f) return ""; sprintf(s, "%g", f); ret = (tempstack_t*)Z_Malloc(sizeof(tempstack_t)+strlen(s)); ret->next = ifstack; ifstack=ret; strcpy(ret->str, s); return ret->str; } static qboolean is_numeric (const char *c) { return (*c >= '0' && *c <= '9') || ((*c == '-' || *c == '+') && (c[1] == '.' || (c[1]>='0' && c[1]<='9'))) || (*c == '.' && (c[1]>='0' && c[1]<='9'))?true:false; } static qboolean is_true (const char *c) { if (is_numeric(c)) return !!atof(c); if (!Q_strcasecmp(c, "true") || !Q_strcasecmp(c, "yes")) return true; if (!Q_strcasecmp(c, "false") || !Q_strcasecmp(c, "no") || !Q_strcasecmp(c, "null") || !Q_strcasecmp(c, "nil")) return false; return !!*c; } #define IF_PRI_MAX 12 #define IFPUNCT "(,{})~\':;=!><&|+*/-" static const char *If_Token(const char *func, const char **end, int pri); static const char *If_Token_Term(const char *func, const char **end) { const char *s, *s2; cvar_t *var; int level; while(*func <= ' ' && *func) func++; if (*func == '\'') { char *o = com_token; func++; while (*func) { if (*func == '\'') { func++; break; } if (o < com_token + sizeof(com_token)-1) *o++ = *func; func++; } *o = 0; s = func; } else s = COM_ParseToken(func, IFPUNCT); if (*com_token == '(') { s2 = s; level=1; while (*s2) { if (*s2 == ')') { level--; if (!level) break; } else if (*s2 == '(') level++; s2++; } func = If_Token(s, end, IF_PRI_MAX); *end = s2+1; s = *end; s2 = func; } else if (*com_token == '!') { func = If_Token(s, end, 0); s2 = retbool(!is_true(func)); } else if (*com_token == '~') { func = If_Token(s, end, 0); s2 = retbool(~atoi(func)); } else if (!strcmp(com_token, "int")) { func = If_Token(s, end, 0); s2 = retint(atoi(func)); } else if (!strcmp(com_token, "strlen")) { func = If_Token(s, end, 0); s2 = retfloat(strlen(func)); } else if (!strcmp(com_token, "eval")) { //read the stuff to the right func = If_Token(s, end, IF_PRI_MAX); //and evaluate it s2 = If_Token(func, &func, IF_PRI_MAX); } else if (!strcmp(com_token, "defined")) //functions { s = COM_ParseToken(s, IFPUNCT); var = Cvar_FindVar(com_token); *end = s; s2 = retbool(var != NULL); } else if (!strcmp(com_token, "random")) { s2 = retfloat((rand()&0x7fff) / (float)0x7fff); } else if (!strcmp(com_token, "vid")) //mostly for use with the menu system. { s = COM_ParseToken(s, IFPUNCT); #ifndef SERVERONLY if (qrenderer == QR_NONE) s2 = ""; else if (!strcmp(com_token, "width")) s2 = retint(vid.width); else if (!strcmp(com_token, "height")) s2 = retint(vid.height); else #endif s2 = ""; } else { if (*com_token == '$') var = Cvar_FindVar(com_token+1); else var = Cvar_FindVar(com_token); //for consistancy. if (var) { if ((var->restriction?var->restriction:rcon_level.ival) > Cmd_ExecLevel) { Con_Printf("Console script attempted to read restricted cvar %s\n", var->name); s2 = "RESTRICTED"; } else s2 = var->string; } else s2 = retstring(com_token); } *end = s; return s2; } enum { IFOP_CAT, IFOP_MUL, IFOP_DIV, IFOP_MOD, IFOP_ADD, IFOP_SUB, IFOP_SHL, IFOP_SHR, IFOP_ISIN, IFOP_ISNOTIN, IFOP_LT, IFOP_LE, IFOP_GT, IFOP_GE, IFOP_EQ, IFOP_NE, IFOP_BA, IFOP_XOR, IFOP_BO, IFOP_LA, IFOP_LO }; static const struct { int opnamelen; const char *opname; int pri; int op; } ifops[] = { {3, "cat", 3, IFOP_CAT}, {1, "*", 3, IFOP_MUL}, {3, "mul", 3, IFOP_MUL}, {1, "/", 3, IFOP_DIV}, {3, "div", 3, IFOP_DIV}, {1, "%", 3, IFOP_MOD}, {3, "mod", 3, IFOP_MOD}, {1, "+", 4, IFOP_ADD}, {3, "add", 4, IFOP_ADD}, {1, "-", 4, IFOP_SUB}, {3, "sub", 4, IFOP_SUB}, {2, "<<", 5, IFOP_SHL}, {2, ">>", 5, IFOP_SHR}, {4, "isin",5, IFOP_ISIN}, //fuhquake {5, "!isin",5, IFOP_ISNOTIN}, //fuhquake {2, "<=", 6, IFOP_LE}, {1, "<", 6, IFOP_LT}, {2, ">=", 6, IFOP_GE}, {1, ">", 6, IFOP_GT}, {2, "==", 7, IFOP_EQ}, {1, "=", 7, IFOP_EQ}, {5, "equal",7, IFOP_EQ}, //qw262 {2, "!=", 7, IFOP_NE}, {2, "&&", 11, IFOP_LA}, {1, "&", 8, IFOP_BA}, {3, "and", 8, IFOP_BA}, //qw262 {1, "^", 9, IFOP_XOR}, {3, "xor", 8, IFOP_XOR}, //qw262 {2, "||", 12, IFOP_LO}, {1, "|", 10, IFOP_BO}, {2, "or", 10, IFOP_BO} //qw262 }; static const char *If_Operator(int op, const char *left, const char *right) { int r; switch(op) { case IFOP_CAT: return retstring(va("%s%s", left, right)); case IFOP_MUL: return retfloat(atof(left)*atof(right)); case IFOP_DIV: return retfloat(atof(left)/atof(right)); case IFOP_MOD: r = atoi(right); if (r) return retfloat(atoi(left)%r); else return retfloat(0); case IFOP_ADD: return retfloat(atof(left)+atof(right)); case IFOP_SUB: return retfloat(atof(left)-atof(right)); case IFOP_SHL: return retfloat(atoi(left)<>atoi(right)); case IFOP_ISIN: return retfloat(!!strstr(right, left)); case IFOP_ISNOTIN: return retfloat(!strstr(right, left)); case IFOP_LT: return retfloat(atof(left)atof(right)); case IFOP_GE: return retfloat(atof(left)>=atof(right)); case IFOP_EQ: if (is_numeric(left) && is_numeric(right)) return retfloat(atof(left) == atof(right)); else return retfloat(!strcmp(left, right)); case IFOP_NE: if (is_numeric(left) && is_numeric(right)) return retfloat(atof(left) != atof(right)); else return retfloat(!!strcmp(left, right)); case IFOP_BA: return retfloat(atoi(left)&atoi(right)); case IFOP_XOR: return retfloat(atoi(left)^atoi(right)); case IFOP_BO: return retfloat(atoi(left)|atoi(right)); case IFOP_LA: return retfloat(is_true(left)&&is_true(right)); case IFOP_LO: return retfloat(is_true(left)||is_true(right)); default: return retfloat(0); } } static const char *If_Token(const char *func, const char **end, int pri) { const char *s, *s2; int i; if (pri > 0) s2 = If_Token(func, &s, pri-1); else s2 = If_Token_Term(func, &s); *end = s; while (*s == ' ' || *s == '\t') s++; for (i = 0; i < countof(ifops); i++) { if (!strncmp(s, ifops[i].opname, ifops[i].opnamelen)) { if (pri == ifops[i].pri) { s = If_Token(s + ifops[i].opnamelen, end, pri); s2 = If_Operator(ifops[i].op, s2, s); } break; } } return s2; } qboolean If_EvaluateBoolean(const char *text, int restriction) { qboolean ret; const char *end; tempstack_t *ts = If_Token_GetMark(); int restore = Cmd_ExecLevel; Cmd_ExecLevel = restriction; text = If_Token(text, &end, IF_PRI_MAX); ret = is_true(text); If_Token_Clear(ts); Cmd_ExecLevel = restore; return ret; } void Cbuf_ExecBlock(int level) { char *remainingcbuf; char *exectext = NULL; char *line, *end; line = Cbuf_GetNext(level, false); while(*line <= ' ' && *line) //skip leading whitespace. line++; for (end = line + strlen(line)-1; end >= line && *end <= ' '; end--) //skip trailing *end = '\0'; if (!strcmp(line, "{")) //multiline block { int indent = 1; for(;;) { line = Cbuf_GetNext(level, false); while(*line <= ' ' && *line) //skip leading whitespace. line++; for (end = line + strlen(line)-1; end >= line && *end <= ' '; end--) //skip trailing *end = '\0'; if (!strcmp(line, "{")) indent++; else if (!strcmp(line, "}")) { indent--; if (!indent) break; } else if (!*line) { Con_Printf("Unterminated block\n"); break; } if (exectext) { char *newv; newv = (char*)Z_Malloc(strlen(exectext) + strlen(line) + 2); sprintf(newv, "%s;%s", exectext, line); Z_Free(exectext); exectext = newv; } else exectext = Z_StrDup(line); // Con_Printf("Exec \"%s\"\n", line); } } else { exectext = Z_StrDup(line); // Con_Printf("Exec \"%s\"\n", line); } remainingcbuf = Cbuf_StripText(level); //this craziness is to prevent an if } from breaking the entire con text Cbuf_AddText(exectext, level); Z_Free(exectext); Cbuf_ExecuteLevel(level); Cbuf_AddText(remainingcbuf, level); Z_Free(remainingcbuf); } void Cbuf_SkipBlock(int level) { char *line, *end; line = Cbuf_GetNext(level, false); while(*line <= ' ' && *line) //skip leading whitespace. line++; for (end = line + strlen(line)-1; end >= line && *end <= ' '; end--) //skip trailing *end = '\0'; if (!strcmp(line, "{")) //multiline block { int indent = 1; for(;;) { line = Cbuf_GetNext(level, false); while(*line <= ' ' && *line) //skip leading whitespace. line++; for (end = line + strlen(line)-1; end >= line && *end <= ' '; end--) //skip trailing *end = '\0'; if (!strcmp(line, "{")) indent++; else if (!strcmp(line, "}")) { indent--; if (!indent) break; } else if (!*line) { Con_Printf("Unterminated block\n"); break; } // Con_Printf("Skip \"%s\"\n", line); } } // else // Con_Printf("Skip \"%s\"\n", line); } void Cmd_if_f(void) { char *text = Cmd_Args(); const char *ret; char *end; char *ws; int level; qboolean trueblock=false; tempstack_t *ts; if (Cmd_Argc()==1) { Con_TPrintf("if [elseif ] [...] [else ]\n"); return; } ts = If_Token_GetMark(); level = Cmd_ExecLevel; elseif: // Con_Printf("if %s\n", text); ret = If_Token(text, (const char **)&end, IF_PRI_MAX); if (!end) { Con_TPrintf("Not terminated\n"); If_Token_Clear(ts); return; } skipws: while(*end == ' ' || *end == '\t') //skip leading whitespace. end++; for (ws = end + strlen(end)-1; ws >= end && *ws <= ' '; ws--) //skip trailing *ws = '\0'; if (!strncmp(end, "then", 4)) //sigh... trying to make fuhquake's ifs work. { end+=4; goto skipws; } while (*end == ' ' || *end == '\t') end++; if (!*end) { if (is_true(ret)) //equation was true. { trueblock = true; Cbuf_ExecBlock(level); } else //equation was false. { skipblock: Cbuf_SkipBlock(level); } end = Cbuf_GetNext(level, false); while(*end <= ' ' && *end) end++; if (!strncmp(end, "else", 4)) { end+=4; while(*end <= ' ' && *end) //skip leading whitespace. end++; if (!strncmp(end, "if", 2)) { text = end + 2; if (trueblock) goto skipblock; //we've had our true, all others are assumed to be false. else goto elseif; //and have annother go. } else { //we got an else. This is the last block. Don't go through the normal way, cos that would let us follow up with a second else. if (trueblock) Cbuf_SkipBlock(level); else Cbuf_ExecBlock(level); If_Token_Clear(ts); return; } } //whoops. Too far. Cbuf_InsertText(end, level, true); If_Token_Clear(ts); return; } text = strstr(end, "else"); if (ret && *ret) { if (text) //don't bother execing the else bit... *text = '\0'; Cbuf_InsertText(end, level, true); } else { if (text) Cbuf_InsertText(text+4, level, true); //ironically, this will do elseif... } If_Token_Clear(ts); } void Cmd_Vstr_f( void ) { char *v; if (Cmd_Argc () != 2) { Con_Printf ("vstr : execute a variable command\n"); return; } v = Cvar_VariableString(Cmd_Argv(1)); Cbuf_InsertText(v, Cmd_ExecLevel, true); } void Cmd_toggle_f(void) { cvar_t *v; if (Cmd_Argc()<2) { Con_Printf("missing cvar name\n"); return; } v = Cvar_Get(Cmd_Argv(1), "0", 0, "Custom variables"); if (!v) return; if (v->value) Cvar_Set(v, "0"); else Cvar_Set(v, "1"); } void Cmd_set_f(void) { void *mark; cvar_t *var; const char *end; const char *text; int forceflags = 0; qboolean docalc; char name[256]; if (Cmd_Argc()<3) { Con_TPrintf("%s %s \n", Cmd_Argv(0), *Cmd_Argv(1)?Cmd_Argv(1):""); return; } if (!strcmp(Cmd_Argv(0), "set_calc") || !strcmp(Cmd_Argv(0), "seta_calc")) docalc = true; else docalc = false; Q_strncpyz(name, Cmd_Argv(1), sizeof(name)); if (!strcmp(Cmd_Argv(0), "setfl") || Cmd_FromGamecode()) //AAHHHH!!! Q2 set command is different { text = Cmd_Argv(3); while(*text) { switch(*text++) { case 'u': forceflags |= CVAR_USERINFO; break; case 's': forceflags |= CVAR_SERVERINFO; break; case 'a': forceflags |= CVAR_ARCHIVE; break; default: return; } } text = Cmd_Argv(2); /*desc = Cmd_Argv(4)*/ } else if (dpcompat_set.ival && !docalc) { text = Cmd_Argv(2); /*desc = Cmd_Argv(3)*/ } else { Cmd_ShiftArgs(1, false); text = Cmd_Args(); if (!docalc && (*text == '\"' || (*text == '\\' && text[1] == '\"'))) //if it's already quoted, dequote it, and ignore trailing stuff, for q2/q3 compatability text = Cmd_Argv(1); else { end = strstr(text, "//"); if (end) { end--; while (end >= text) { if (*end == ' ') end--; else break; } end++; *(char*)end = 0; } } forceflags = 0; } var = Cvar_Get (name, text, CVAR_TEAMPLAYTAINT, "Custom variables"); mark = If_Token_GetMark(); if (var) { if (var->flags & CVAR_NOTFROMSERVER && Cmd_IsInsecure()) { Con_Printf ("Server tried setting %s cvar\n", var->name); return; } if (var->flags & CVAR_NOSET) { Con_Printf ("variable %s is readonly\n", var->name); return; } if (Cmd_FromGamecode()) { if (forceflags) { var->flags &=~(CVAR_USERINFO|CVAR_SERVERINFO); var->flags |= forceflags; } Cvar_LockFromServer(var, text); } else { if (docalc) text = If_Token(text, &end, IF_PRI_MAX); Cvar_Set(var, text); var->flags |= CVAR_USERCREATED | forceflags; if (Cmd_ExecLevel == RESTRICT_TEAMPLAY) var->flags |= CVAR_TEAMPLAYTAINT; if (!strncmp(Cmd_Argv(0), "seta", 4)) var->flags |= CVAR_ARCHIVE; } } else { if (docalc) text = If_Token(text, &end, IF_PRI_MAX); if (Cmd_FromGamecode()) { var = Cvar_Get(Cmd_Argv(1), "", 0, "Game variables"); if (var) Cvar_LockFromServer(var, text); } else var = Cvar_Get(Cmd_Argv(1), text, 0, "User variables"); } if (var && !Cmd_FromGamecode()) if (!strncmp(Cmd_Argv(0), "seta", 4)) var->flags |= CVAR_ARCHIVE|CVAR_USERCREATED; If_Token_Clear(mark); } void Cvar_Inc_f (void) { int c; cvar_t *var; float delta; c = Cmd_Argc(); if (c != 2 && c != 3) { Con_Printf ("inc [value]\n"); return; } var = Cvar_FindVar (Cmd_Argv(1)); if (!var) { Con_Printf ("Unknown variable \"%s\"\n", Cmd_Argv(1)); return; } if (var->flags & CVAR_NOTFROMSERVER && Cmd_IsInsecure()) { Con_Printf ("Server tried setting %s cvar\n", var->name); return; } delta = (c == 3) ? atof (Cmd_Argv(2)) : 1; if (Cmd_ExecLevel == RESTRICT_TEAMPLAY || (var->flags & CVAR_TEAMPLAYTAINT)) { Cvar_SetValue (var, var->value + delta); var->flags |= CVAR_TEAMPLAYTAINT; } else Cvar_SetValue (var, var->value + delta); } void Cmd_WriteConfig_f(void) { vfsfile_t *f; char *filename; char fname[MAX_OSPATH]; char sysname[MAX_OSPATH]; qboolean all = true; extern cvar_t cfg_save_all; if (Cmd_IsInsecure() && Cmd_Argc() > 1) { Con_Printf ("%s not allowed\n", Cmd_Argv(0)); return; } filename = Cmd_Argv(1); if (!*filename) { #ifdef QUAKETC snprintf(fname, sizeof(fname), "config.cfg"); #else snprintf(fname, sizeof(fname), "fte.cfg"); #endif f = FS_OpenWithFriends(fname, sysname, sizeof(sysname), 3, "quake.rc", "*.cfg", "configs/*.cfg"); all = cfg_save_all.ival; } else { if (strstr(filename, "..")) { Con_Printf ("Couldn't write config %s\n",filename); return; } snprintf(fname, sizeof(fname), "configs/%s", filename); COM_DefaultExtension(fname, ".cfg", sizeof(fname)); FS_NativePath(fname, FS_BASEGAMEONLY, sysname, sizeof(sysname)); FS_CreatePath(fname, FS_BASEGAMEONLY); f = FS_OpenVFS(fname, "wbp", FS_BASEGAMEONLY); all = cfg_save_all.ival || !*cfg_save_all.string; } if (!f) { Con_Printf ("Couldn't write config %s\n", sysname); return; } VFS_WRITE(f, "// FTE config file\n\n", 20); #ifndef SERVERONLY Key_WriteBindings (f); IN_WriteButtons(f, all); CL_SaveInfo(f); #else VFS_WRITE(f, "// Dedicated Server config\n\n", 28); #endif #ifdef CLIENTONLY VFS_WRITE(f, "// no local/server infos\n\n", 26); #else SV_SaveInfos(f); #endif Alias_WriteAliases (f); Cvar_WriteVariables (f, all); VFS_CLOSE(f); Cvar_Saved(); Con_Printf ("Wrote %s\n",sysname); } void Cmd_Reset_f(void) { } #ifndef SERVERONLY // dumps current console contents to a text file void Cmd_Condump_f(void) { vfsfile_t *f; char *filename; char line[8192]; if (!con_current) { Con_Printf ("No console to dump.\n"); return; } if (Cmd_IsInsecure()) // don't allow insecure level execute this return; filename = Cmd_Argv(1); if (!*filename) filename = "condump"; filename = va("%s", filename); COM_DefaultExtension(filename, ".txt", MAX_QPATH); f = FS_OpenVFS (filename, "wb", FS_GAME); if (!f) { Con_Printf ("Couldn't write console dump %s\n",filename); return; } // print out current contents of console // stripping out starting blank lines and blank spaces { console_t *curcon = &con_main; conline_t *l; conchar_t *t; for (l = curcon->oldest; l; l = l->newer) { t = (conchar_t*)(l+1); COM_DeFunString(t, t + l->length, line, sizeof(line), true); VFS_WRITE(f, line, strlen(line)); VFS_WRITE(f, "\n", 1); } } VFS_CLOSE(f); Con_Printf ("Dumped console to %s\n",filename); } #endif void Cmd_Shutdown(void) { cmd_function_t *c; cmdalias_t *a; int i; //make sure we get no other execution int level; for (level = 0; level < sizeof(cmd_text)/sizeof(cmd_text[0]); level++) { SZ_Clear (&cmd_text[level].buf); if (cmd_text[level].buf.data) { BZ_Free(cmd_text[level].buf.data); cmd_text[level].buf.data = NULL; cmd_text[level].buf.maxsize = 0; } } while(cmd_functions) { c = cmd_functions; cmd_functions = c->next; Z_Free(c); } while(cmd_alias) { a = cmd_alias; cmd_alias = a->next; Z_Free(a->value); Z_Free(a); } for (i=0 ; i