/* 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. */ #include "qtv.h" #define MAX_INFO_KEY 64 //I apologise for this if it breaks your formatting or anything #define HELPSTRING "\ FTEQTV proxy commands: (build "__DATE__")\n\ ----------------------\n\ connect, qtv, addserver\n\ - connect to a MVD stream (TCP)\n\ qw\n\ - connect to a server as a player (UDP)\n\ adddemo\n\ - play a demo from a MVD file\n\ port\n\ - UDP port for QuakeWorld client connections\n\ mvdport\n\ - specify TCP port for MVD broadcasting\n\ maxviewers, maxproxies\n\ - limit number of connections\n\ status, choke, late, talking, nobsp, reconnect, exec, password, master, hostname, record, stop, quit\n\n" char *Info_ValueForKey (char *s, const char *key, char *buffer, int buffersize) { char pkey[1024]; char *o; if (*s == '\\') s++; while (1) { o = pkey; while (*s != '\\') { if (!*s) { *buffer='\0'; return buffer; } *o++ = *s++; if (o+2 >= pkey+sizeof(pkey)) //hrm. hackers at work.. { *buffer='\0'; return buffer; } } *o = 0; s++; o = buffer; while (*s != '\\' && *s) { if (!*s) { *buffer='\0'; return buffer; } *o++ = *s++; if (o+2 >= buffer+buffersize) //hrm. hackers at work.. { *buffer='\0'; return buffer; } } *o = 0; if (!strcmp (key, pkey) ) return buffer; if (!*s) { *buffer='\0'; return buffer; } s++; } } void Info_RemoveKey (char *s, const char *key) { char *start; char pkey[1024]; char value[1024]; char *o; if (strstr (key, "\\")) { // printf ("Key has a slash\n"); return; } while (1) { start = s; if (*s == '\\') s++; o = pkey; while (*s != '\\') { if (!*s) return; *o++ = *s++; } *o = 0; s++; o = value; while (*s != '\\' && *s) { if (!*s) return; *o++ = *s++; } *o = 0; if (!strcmp (key, pkey) ) { strcpy (start, s); // remove this part return; } if (!*s) return; } } void Info_SetValueForStarKey (char *s, const char *key, const char *value, int maxsize) { char newv[1024], *v; int c; #ifdef SERVERONLY extern cvar_t sv_highchars; #endif if (strstr (key, "\\") || strstr (value, "\\") ) { // printf ("Key has a slash\n"); return; } if (strstr (key, "\"") || strstr (value, "\"") ) { // printf ("Key has a quote\n"); return; } if (strlen(key) >= MAX_INFO_KEY || strlen(value) >= MAX_INFO_KEY) { // printf ("Key or value is too long\n"); return; } // this next line is kinda trippy if (*(v = Info_ValueForKey(s, key, newv, sizeof(newv)))) { // key exists, make sure we have enough room for new value, if we don't, // don't change it! if (strlen(value) - strlen(v) + strlen(s) + 1 > maxsize) { // Con_TPrintf (TL_INFOSTRINGTOOLONG); return; } } Info_RemoveKey (s, key); if (!value || !strlen(value)) return; snprintf (newv, sizeof(newv)-1, "\\%s\\%s", key, value); if ((int)(strlen(newv) + strlen(s) + 1) > maxsize) { // printf ("info buffer is too small\n"); return; } // only copy ascii values s += strlen(s); v = newv; while (*v) { c = (unsigned char)*v++; // c &= 127; // strip high bits if (c > 13) // && c < 127) *s++ = c; } *s = 0; } #define DEFAULT_PUNCTUATION "(,{})(\':;=!><&|+" char *COM_ParseToken (char *data, char *out, int outsize, const char *punctuation) { int c; int len; if (!punctuation) punctuation = DEFAULT_PUNCTUATION; len = 0; out[0] = 0; if (!data) return NULL; // skip whitespace skipwhite: while ( (c = *data) <= ' ') { if (c == 0) return NULL; // end of file; data++; } // skip // comments if (c=='/') { if (data[1] == '/') { while (*data && *data != '\n') data++; goto skipwhite; } else if (data[1] == '*') { data+=2; while (*data && (*data != '*' || data[1] != '/')) data++; data+=2; goto skipwhite; } } // handle quoted strings specially if (c == '\"') { data++; while (1) { if (len >= outsize-1) { out[len] = '\0'; return data; } c = *data++; if (c=='\"' || !c) { out[len] = 0; return data; } out[len] = c; len++; } } // parse single characters if (strchr(punctuation, c)) { out[len] = c; len++; out[len] = 0; return data+1; } // parse a regular word do { if (len >= outsize-1) break; out[len] = c; data++; len++; c = *data; if (strchr(punctuation, c)) break; } while (c>32); out[len] = 0; return data; } #define MAX_ARGS 8 #define ARG_LEN 512 typedef char *(*dispatchrconcommand_t)(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand); char *Cmd_Hostname(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { if (!*arg[1]) { buffer[0] = 0; if (*cluster->hostname) snprintf(buffer, sizeofbuffer, "Current hostname is %s\n", cluster->hostname); else return "No master server is currently set.\n"; return buffer; } strncpy(cluster->hostname, arg[1], sizeof(cluster->hostname)-1); return "hostname set (might have a slight delay)\n"; //I'm too lazy to alter the serverinfo here. } char *Cmd_Master(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { netadr_t addr; if (!*arg[1]) { if (*cluster->master) return "Subscribed to a master server (use '-' to clear)\n"; else return "No master server is currently set.\n"; } if (!strcmp(arg[1], "-")) { strncpy(cluster->master, "", sizeof(cluster->master)-1); return "Master server cleared\n"; } if (!NET_StringToAddr(arg[1], &addr, 27000)) //send a ping like a qw server does. this is kinda pointless of course. { return "Couldn't resolve address\n"; } strncpy(cluster->master, arg[1], sizeof(cluster->master)-1); cluster->mastersendtime = cluster->curtime; NET_SendPacket (cluster, cluster->qwdsocket, 1, "k", addr); return "Master server set.\n"; } char *Cmd_UDPPort(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { int news; int newp = atoi(arg[1]); news = QW_InitUDPSocket(newp); if (news != INVALID_SOCKET) { cluster->mastersendtime = cluster->curtime; closesocket(cluster->qwdsocket); cluster->qwdsocket = news; cluster->qwlistenportnum = newp; return "Opened udp port (all connected qw clients will time out)\n"; } else return "Failed to open udp port\n"; } char *Cmd_AdminPassword(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { if (!localcommand) return "Rejecting remote password change.\n"; if (!*arg[1]) { if (*cluster->adminpassword) return "An admin password is currently set\n"; else return "No admin passsword is currently set\n"; } strncpy(cluster->adminpassword, arg[1], sizeof(cluster->adminpassword)-1); return "Password changed.\n"; } char *Cmd_QTVConnect(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { if (!*arg[1]) return "connect requires an ip:port parameter\n"; memmove(arg[1]+4, arg[1], ARG_LEN-5); strncpy(arg[1], "tcp:", 4); if (!QTV_NewServerConnection(cluster, arg[1], arg[2], false, false, false)) return "Failed to connect to server, connection aborted\n"; return "Source registered\n"; } char *Cmd_QWConnect(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { if (!*arg[1]) return "connect requires an ip:port parameter\n"; memmove(arg[1]+4, arg[1], ARG_LEN-5); strncpy(arg[1], "udp:", 4); if (!QTV_NewServerConnection(cluster, arg[1], arg[2], false, false, false)) return "Failed to connect to server, connection aborted\n"; return "Source registered\n"; } char *Cmd_MVDConnect(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { if (!*arg[1]) return "adddemo requires an filename parameter\n"; if (!localcommand) if (*arg[1] == '\\' || *arg[1] == '/' || strstr(arg[1], "..") || arg[1][1] == ':') return "Absolute paths are prohibited.\n"; memmove(arg[1]+5, arg[1], ARG_LEN-6); strncpy(arg[1], "file:", 5); if (!QTV_NewServerConnection(cluster, arg[1], arg[2], false, false, false)) return "Failed to connect to server, connection aborted\n"; return "Source registered\n"; } char *Cmd_Exec(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { FILE *f; char line[512], *res; if (!localcommand) { if (*arg[1] == '\\' || *arg[1] == '/' || strstr(arg[1], "..") || arg[1][1] == ':') return "Absolute paths are prohibited.\n"; if (!strncmp(arg[1], "usercfg/", 8)) //this is how we stop users from execing a 50gb pk3.. return "Remote-execed configs must be in the usercfg directory\n"; } f = fopen(arg[1], "rt"); if (!f) { snprintf(buffer, sizeofbuffer, "Couldn't exec \"%s\"\n", arg[1]); return buffer; } else { while(fgets(line, sizeof(line)-1, f)) { res = Rcon_Command(cluster, qtv, line, buffer, sizeofbuffer, localcommand); Sys_Printf(cluster, "%s", res); //this is perhaps wrong. } fclose(f); return "Execed\n"; } } void catbuffer(char *buffer, int bufsize, char *format, ...) { va_list argptr; char string[1024]; va_start (argptr, format); vsnprintf (string,sizeof(string)-1, format,argptr); va_end (argptr); Q_strncatz(buffer, string, bufsize); } char *Cmd_Status(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { buffer[0] = '\0'; catbuffer(buffer, sizeofbuffer, "%i sources\n", cluster->numservers); catbuffer(buffer, sizeofbuffer, "%i viewers\n", cluster->numviewers); catbuffer(buffer, sizeofbuffer, "%i proxies\n", cluster->numproxies); catbuffer(buffer, sizeofbuffer, "Options:\n"); catbuffer(buffer, sizeofbuffer, " Hostname %s\n", cluster->hostname); if (cluster->chokeonnotupdated) catbuffer(buffer, sizeofbuffer, " Choke\n"); if (cluster->lateforward) catbuffer(buffer, sizeofbuffer, " Late forwarding\n"); if (!cluster->notalking) catbuffer(buffer, sizeofbuffer, " Talking allowed\n"); if (cluster->nobsp) catbuffer(buffer, sizeofbuffer, " No BSP loading\n"); catbuffer(buffer, sizeofbuffer, "\n"); if (qtv) { catbuffer(buffer, sizeofbuffer, "Selected server: %s\n", qtv->server); if (qtv->sourcefile) catbuffer(buffer, sizeofbuffer, "Playing from file\n"); if (qtv->sourcesock != INVALID_SOCKET) catbuffer(buffer, sizeofbuffer, "Connected\n"); if (qtv->parsingqtvheader || qtv->parsingconnectiondata) catbuffer(buffer, sizeofbuffer, "Waiting for gamestate\n"); if (qtv->controller) { catbuffer(buffer, sizeofbuffer, "Spectating through %s\n"); } if (*qtv->modellist[1].name) { catbuffer(buffer, sizeofbuffer, "Map name %s\n", qtv->modellist[1].name); } if (*qtv->connectpassword) catbuffer(buffer, sizeofbuffer, "Using a password\n"); if (qtv->tcpsocket != INVALID_SOCKET) { catbuffer(buffer, sizeofbuffer, "Listening for proxies (%i)\n", qtv->tcplistenportnum); } if (qtv->bsp) { catbuffer(buffer, sizeofbuffer, "BSP (%s) is loaded\n", qtv->mapname); } } return buffer; } char *Cmd_Choke(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { if (!*arg[1]) { if (cluster->chokeonnotupdated) return "proxy will not interpolate packets\n"; else return "proxy will smooth action at the expense of extra packets\n"; } cluster->chokeonnotupdated = !!atoi(arg[1]); return "choke-until-update set\n"; } char *Cmd_Late(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { if (!*arg[1]) { if (cluster->lateforward) return "forwarded streams will be artificially delayed\n"; else return "forwarded streams are forwarded immediatly\n"; } cluster->lateforward = !!atoi(arg[1]); return "late forwarding set\n"; } char *Cmd_Talking(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { if (!*arg[1]) { if (cluster->notalking) return "viewers may not talk\n"; else return "viewers may talk freely\n"; } cluster->notalking = !atoi(arg[1]); return "talking permissions set\n"; } char *Cmd_NoBSP(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { if (!*arg[1]) { if (cluster->nobsp) return "no bsps will be loaded\n"; else return "attempting to load bsp files\n"; } cluster->nobsp = !!atoi(arg[1]); return "nobsp will change at start of next map\n"; } char *Cmd_MaxViewers(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { if (!*arg[1]) { buffer[0] = '\0'; if (cluster->maxviewers) snprintf(buffer, sizeofbuffer, "maxviewers is currently %i\n", cluster->maxviewers); else return "maxviewers is currently unlimited\n"; return buffer; } cluster->maxviewers = atoi(arg[1]); return "maxviewers set\n"; } char *Cmd_MaxProxies(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { if (!*arg[1]) { buffer[0] = '\0'; if (cluster->maxproxies) snprintf(buffer, sizeofbuffer, "maxproxies is currently %i\n", cluster->maxproxies); else return "maxproxies is currently unlimited\n"; return buffer; } cluster->maxproxies = atoi(arg[1]); return "maxproxies set\n"; } char *Cmd_Ping(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { netadr_t addr; if (NET_StringToAddr(arg[1], &addr, 27500)) { NET_SendPacket (cluster, cluster->qwdsocket, 1, "k", addr); return "pinged\n"; } return "couldn't resolve\n"; } char *Cmd_Help(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { return HELPSTRING; } char *Cmd_Echo(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { return "Poly wants a cracker.\n"; } char *Cmd_Quit(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { if (!localcommand) return "Remote shutdown refused.\n"; cluster->wanttoexit = true; return "Shutting down.\n"; } char *Cmd_Streams(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { catbuffer(buffer, sizeofbuffer, "Streams:\n"); for (qtv = cluster->servers; qtv; qtv = qtv->next) { catbuffer(buffer, sizeofbuffer, "%i: %s\n", qtv->streamid, qtv->server); } return buffer; } char *Cmd_Disconnect(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { QTV_Shutdown(qtv); return "Disconnected\n"; } char *Cmd_Record(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { if (!*arg[1]) return "record requires a filename on the proxy's machine\n"; if (!localcommand) if (*arg[1] == '\\' || *arg[1] == '/' || strstr(arg[1], "..") || arg[1][1] == ':') return "Absolute paths are prohibited.\n"; if (Net_FileProxy(qtv, arg[1])) return "Recording to disk\n"; else return "Failed to open file\n"; } char *Cmd_Stop(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { if (Net_StopFileProxy(qtv)) return "stopped\n"; else return "not recording to disk\n"; } char *Cmd_Reconnect(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { if (QTV_Connect(qtv, qtv->server)) return "Reconnected\n"; else return "Failed to reconnect (will keep trying)\n"; } char *Cmd_MVDPort(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { int news; int newp = atoi(arg[1]); if (!newp) { if (qtv->tcpsocket != INVALID_SOCKET) { closesocket(qtv->tcpsocket); qtv->tcpsocket = INVALID_SOCKET; qtv->tcplistenportnum = 0; return "mvd port is now closed\n"; } return "Already closed\n"; } else { news = Net_MVDListen(newp); if (news != INVALID_SOCKET) { if (qtv->tcpsocket != INVALID_SOCKET) closesocket(qtv->tcpsocket); qtv->tcpsocket = news; qtv->disconnectwhennooneiswatching = false; qtv->tcplistenportnum = newp; return "Opened tcp port\n"; } else return "Failed to open tcp port\n"; } } char *Cmd_Commands(cluster_t *cluster, sv_t *qtv, char *arg[MAX_ARGS], char *buffer, int sizeofbuffer, qboolean localcommand) { return ""; } typedef struct rconcommands_s { char *name; qboolean serverspecific; //works within a qtv context qboolean clusterspecific; //works without a qtv context (ignores context) dispatchrconcommand_t func; } rconcommands_t; const rconcommands_t rconcommands[] = { {"exec", 1, 1, Cmd_Exec}, {"status", 1, 1, Cmd_Status}, {"help", 0, 1, Cmd_Help}, {"commands", 0, 1, Cmd_Commands}, {"hostname", 0, 1, Cmd_Hostname}, {"master", 0, 1, Cmd_Master}, {"udpport", 0, 1, Cmd_UDPPort}, {"port", 0, 1, Cmd_UDPPort}, {"adminpassword",0, 1, Cmd_AdminPassword}, {"rconpassword",0, 1, Cmd_AdminPassword}, {"qtv", 0, 1, Cmd_QTVConnect}, {"addserver", 0, 1, Cmd_QTVConnect}, {"connect", 0, 1, Cmd_QTVConnect}, {"qw", 0, 1, Cmd_QWConnect}, {"observe", 0, 1, Cmd_QWConnect}, {"demo", 0, 1, Cmd_MVDConnect}, {"playdemo", 0, 1, Cmd_MVDConnect}, {"choke", 0, 1, Cmd_Choke}, {"late", 0, 1, Cmd_Late}, {"talking", 0, 1, Cmd_Talking}, {"nobsp", 0, 1, Cmd_NoBSP}, {"maxviewers", 0, 1, Cmd_MaxViewers}, {"maxproxies", 0, 1, Cmd_MaxProxies}, {"ping", 0, 1, Cmd_Ping}, {"reconnect", 0, 1, Cmd_Reconnect}, {"echo", 0, 1, Cmd_Echo}, {"quit", 0, 1, Cmd_Quit}, {"streams", 0, 1, Cmd_Streams}, {"disconnect", 1, 0, Cmd_Disconnect}, {"record", 1, 0, Cmd_Record}, {"stop", 1, 0, Cmd_Stop}, {"tcpport", 1, 0, Cmd_MVDPort}, {"mvdport", 1, 0, Cmd_MVDPort}, {NULL} }; char *Rcon_Command(cluster_t *cluster, sv_t *qtv, char *command, char *buffer, int sizeofbuffer, qboolean localcommand) { #define TOKENIZE_PUNCTUATION "" int i; char arg[MAX_ARGS][ARG_LEN]; char *argptrs[MAX_ARGS]; char *sid; for (sid = command; *sid; sid = sid++) { if (*sid == ':') break; if (*sid < '0' || *sid > '9') break; } if (*sid == ':') { i = atoi(command); command = sid+1; for (qtv = cluster->servers; qtv; qtv = qtv->next) if (qtv->streamid == i) break; } for (i = 0; i < MAX_ARGS; i++) { command = COM_ParseToken(command, arg[i], ARG_LEN, TOKENIZE_PUNCTUATION); argptrs[i] = arg[i]; } if (!qtv && cluster->numservers==1) qtv = cluster->servers; buffer[0] = 0; if (qtv) { //if there is a specific connection targetted for (i = 0; rconcommands[i].name; i++) { if (rconcommands[i].serverspecific) if (!strcmp(rconcommands[i].name, argptrs[0])) return rconcommands[i].func(cluster, qtv, argptrs, buffer, sizeofbuffer, localcommand); } } for (i = 0; rconcommands[i].name; i++) { if (!strcmp(rconcommands[i].name, argptrs[0])) { if (rconcommands[i].clusterspecific) return rconcommands[i].func(cluster, NULL, argptrs, buffer, sizeofbuffer, localcommand); else if (rconcommands[i].serverspecific) { snprintf(buffer, sizeofbuffer, "Command \"%s\" requires a targeted server.\n", arg[0]); return buffer; } } } snprintf(buffer, sizeofbuffer, "Command \"%s\" not recognised.\n", arg[0]); return buffer; }