//This file should be easily portable. //The biggest strength of this plugin system is that ALL interactions are performed via //named functions, this makes it *really* easy to port plugins from one engine to annother. #include "quakedef.h" #ifdef PLUGINS //#define GNUTLS #ifdef GNUTLS #if defined(_WIN32) && !defined(MINGW) //lets rip stuff out of the header and supply a seperate dll. //gnutls is huge. //also this helps get around the whole msvc/mingw thing. struct DSTRUCT; typedef struct DSTRUCT* gnutls_certificate_credentials; typedef gnutls_certificate_credentials gnutls_certificate_client_credentials; typedef struct DSTRUCT* gnutls_anon_client_credentials; struct gnutls_session_int; typedef struct gnutls_session_int* gnutls_session; typedef void * gnutls_transport_ptr; typedef enum gnutls_kx_algorithm { GNUTLS_KX_RSA=1, GNUTLS_KX_DHE_DSS, GNUTLS_KX_DHE_RSA, GNUTLS_KX_ANON_DH, GNUTLS_KX_SRP, GNUTLS_KX_RSA_EXPORT, GNUTLS_KX_SRP_RSA, GNUTLS_KX_SRP_DSS } gnutls_kx_algorithm; typedef enum gnutls_certificate_type { GNUTLS_CRT_X509=1, GNUTLS_CRT_OPENPGP } gnutls_certificate_type; typedef enum gnutls_connection_end { GNUTLS_SERVER=1, GNUTLS_CLIENT } gnutls_connection_end; typedef enum gnutls_credentials_type { GNUTLS_CRD_CERTIFICATE=1, GNUTLS_CRD_ANON, GNUTLS_CRD_SRP } gnutls_credentials_type; typedef enum gnutls_close_request { GNUTLS_SHUT_RDWR=0, GNUTLS_SHUT_WR=1 } gnutls_close_request; #define GNUTLS_E_AGAIN -28 #define GNUTLS_E_INTERRUPTED -52 int (VARGS *gnutls_bye)( gnutls_session session, gnutls_close_request how); void (VARGS *gnutls_perror)( int error); int (VARGS *gnutls_handshake)( gnutls_session session); void (VARGS *gnutls_transport_set_ptr)(gnutls_session session, gnutls_transport_ptr ptr); int (VARGS *gnutls_certificate_type_set_priority)( gnutls_session session, const int*); int (VARGS *gnutls_credentials_set)( gnutls_session, gnutls_credentials_type type, void* cred); int (VARGS *gnutls_kx_set_priority)( gnutls_session session, const int*); int (VARGS *gnutls_init)(gnutls_session * session, gnutls_connection_end con_end); int (VARGS *gnutls_set_default_priority)(gnutls_session session); int (VARGS *gnutls_certificate_allocate_credentials)( gnutls_certificate_credentials *sc); int (VARGS *gnutls_anon_allocate_client_credentials)( gnutls_anon_client_credentials *sc); int (VARGS *gnutls_global_init)(void); int (VARGS *gnutls_record_send)( gnutls_session session, const void *data, size_t sizeofdata); int (VARGS *gnutls_record_recv)( gnutls_session session, void *data, size_t sizeofdata); qboolean Init_GNUTLS(void) { HMODULE hmod; hmod = LoadLibrary("gnutls.dll"); if (!hmod) return false; gnutls_bye = (void*)GetProcAddress(hmod, "gnutls_bye"); gnutls_perror = (void*)GetProcAddress(hmod, "gnutls_perror"); gnutls_handshake = (void*)GetProcAddress(hmod, "gnutls_handshake"); gnutls_transport_set_ptr = (void*)GetProcAddress(hmod, "gnutls_transport_set_ptr"); gnutls_certificate_type_set_priority = (void*)GetProcAddress(hmod, "gnutls_certificate_type_set_priority"); gnutls_credentials_set = (void*)GetProcAddress(hmod, "gnutls_credentials_set"); gnutls_kx_set_priority = (void*)GetProcAddress(hmod, "gnutls_kx_set_priority"); gnutls_init = (void*)GetProcAddress(hmod, "gnutls_init"); gnutls_set_default_priority = (void*)GetProcAddress(hmod, "gnutls_set_default_priority"); gnutls_certificate_allocate_credentials = (void*)GetProcAddress(hmod, "gnutls_certificate_allocate_credentials"); gnutls_anon_allocate_client_credentials = (void*)GetProcAddress(hmod, "gnutls_anon_allocate_client_credentials"); gnutls_global_init = (void*)GetProcAddress(hmod, "gnutls_global_init"); gnutls_record_send = (void*)GetProcAddress(hmod, "gnutls_record_send"); gnutls_record_recv = (void*)GetProcAddress(hmod, "gnutls_record_recv"); if (!gnutls_bye || !gnutls_perror || !gnutls_handshake || !gnutls_transport_set_ptr || !gnutls_certificate_type_set_priority || !gnutls_credentials_set || !gnutls_kx_set_priority || !gnutls_init || !gnutls_set_default_priority || !gnutls_certificate_allocate_credentials || !gnutls_anon_allocate_client_credentials || !gnutls_global_init || !gnutls_record_send || !gnutls_record_recv) { Con_Printf("gnutls.dll doesn't contain all required exports\n"); FreeLibrary(hmod); return false; } return true; } #else #include qboolean Init_GNUTLS(void) {return true;} #endif #endif cvar_t plug_sbar = SCVAR("plug_sbar", "1"); cvar_t plug_loaddefault = SCVAR("plug_loaddefault", "1"); #ifdef GLQUAKE #include "glquake.h" #endif //custom plugin builtins. typedef qintptr_t (EXPORT_FN *Plug_Builtin_t)(void *offset, quintptr_t mask, const qintptr_t *arg); void Plug_RegisterBuiltin(char *name, Plug_Builtin_t bi, int flags); #define PLUG_BIF_DLLONLY 1 #define PLUG_BIF_QVMONLY 2 #define PLUG_BIF_NEEDSRENDERER 4 #include "netinc.h" typedef struct plugin_s { char *name; vm_t *vm; int blockcloses; void *inputptr; unsigned int inputbytes; int tick; int executestring; #ifndef SERVERONLY int conexecutecommand; int menufunction; int sbarlevel[3]; //0 - main sbar, 1 - supplementry sbar sections (make sure these can be switched off), 2 - overlays (scoreboard). menus kill all. int reschange; //protocol-in-a-plugin int connectionlessclientpacket; //called to discolour console input text if they spelt it wrongly int spellcheckmaskedtext; #endif int svmsgfunction; int chatmsgfunction; int centerprintfunction; int shutdown; struct plugin_s *next; } plugin_t; void Plug_SubConsoleCommand(console_t *con, char *line); plugin_t *currentplug; #ifndef SERVERONLY #include "cl_plugin.inc" #else void Plug_Client_Init(void){} void Plug_Client_Close(plugin_t *plug) {} #endif void Plug_Init(void); void Plug_Close(plugin_t *plug); void Plug_Tick(void); qboolean Plugin_ExecuteString(void); void Plug_Shutdown(void); static plugin_t *plugs; typedef struct { char *name; Plug_Builtin_t func; int flags; } Plug_Plugins_t; Plug_Plugins_t *plugbuiltins; int numplugbuiltins; void Plug_RegisterBuiltin(char *name, Plug_Builtin_t bi, int flags) { //randomize the order a little. int newnum; newnum = (rand()%128)+1; while(newnum < numplugbuiltins && plugbuiltins[newnum].func) newnum+=128; if (newnum >= numplugbuiltins) { int newbuiltins = newnum+128; plugbuiltins = BZ_Realloc(plugbuiltins, sizeof(Plug_Plugins_t)*newbuiltins); memset(plugbuiltins + numplugbuiltins, 0, sizeof(Plug_Plugins_t)*(newbuiltins - numplugbuiltins)); numplugbuiltins = newbuiltins; } //got an empty number. Con_DPrintf("%s: %i\n", name, newnum); plugbuiltins[newnum].name = name; plugbuiltins[newnum].func = bi; plugbuiltins[newnum].flags = flags; } /* static void Plug_RegisterBuiltinIndex(char *name, Plug_Builtin_t bi, int flags, int index) //I d { //randomize the order a little. int newnum; newnum = rand()%128; while(newnum+1 < numplugbuiltins && plugbuiltins[newnum+1].func) newnum+=128; newnum++; if (newnum >= numplugbuiltins) { numplugbuiltins = newnum+128; plugbuiltins = BZ_Realloc(plugbuiltins, sizeof(Plug_Plugins_t)*numplugbuiltins); } //got an empty number. plugbuiltins[newnum].name = name; plugbuiltins[newnum].func = bi; } */ static qintptr_t Plug_FindBuiltin(qboolean native, char *p) { int i; for (i = 0; i < numplugbuiltins; i++) if (plugbuiltins[i].name) if (p && !strcmp(plugbuiltins[i].name, p)) { if (!native && plugbuiltins[i].flags & PLUG_BIF_DLLONLY) return 0; //block it, if not native if (native && plugbuiltins[i].flags & PLUG_BIF_QVMONLY) return 0; //block it, if not native return -i; } return 0; } static qintptr_t VARGS Plug_GetBuiltin(void *offset, quintptr_t mask, const qintptr_t *args) { char *p = (char *)VM_POINTER(args[0]); return Plug_FindBuiltin(!offset, p); } static int Plug_SystemCallsVM(void *offset, quintptr_t mask, int fn, const int *arg) { #if FTE_WORDSIZE == 32 #define args arg #else qintptr_t args[9]; args[0]=arg[0]; args[1]=arg[1]; args[2]=arg[2]; args[3]=arg[3]; args[4]=arg[4]; args[5]=arg[5]; args[6]=arg[6]; args[7]=arg[7]; args[8]=arg[8]; #endif fn = fn+1; if (fn>=0 && fn < numplugbuiltins && plugbuiltins[fn].func!=NULL) return plugbuiltins[fn].func(offset, mask, (qintptr_t*)args); #undef args Sys_Error("QVM Plugin tried calling invalid builtin %i", fn); return 0; } //I'm not keen on this. //but dlls call it without saying what sort of vm it comes from, so I've got to have them as specifics static qintptr_t EXPORT_FN Plug_SystemCallsNative(qintptr_t arg, ...) { qintptr_t args[9]; va_list argptr; va_start(argptr, arg); args[0]=va_arg(argptr, qintptr_t); args[1]=va_arg(argptr, qintptr_t); args[2]=va_arg(argptr, qintptr_t); args[3]=va_arg(argptr, qintptr_t); args[4]=va_arg(argptr, qintptr_t); args[5]=va_arg(argptr, qintptr_t); args[6]=va_arg(argptr, qintptr_t); args[7]=va_arg(argptr, qintptr_t); args[8]=va_arg(argptr, qintptr_t); va_end(argptr); arg = -arg; if (arg>=0 && arg < numplugbuiltins && plugbuiltins[arg].func) return plugbuiltins[arg].func(NULL, ~0, args); Sys_Error("DLL Plugin tried calling invalid builtin %i", (int)arg); return 0; } plugin_t *Plug_Load(char *file) { plugin_t *newplug; for (newplug = plugs; newplug; newplug = newplug->next) { if (!stricmp(newplug->name, file)) return newplug; } newplug = Z_Malloc(sizeof(plugin_t)+strlen(file)+1); newplug->name = (char*)(newplug+1); strcpy(newplug->name, file); newplug->vm = VM_Create(NULL, file, Plug_SystemCallsNative, Plug_SystemCallsVM); currentplug = newplug; if (newplug->vm) { Con_Printf("Created plugin %s\n", file); newplug->next = plugs; plugs = newplug; if (!VM_Call(newplug->vm, 0, Plug_FindBuiltin(true, "Plug_GetEngineFunction"))) { Plug_Close(newplug); return NULL; } #ifndef SERVERONLY if (newplug->reschange) VM_Call(newplug->vm, newplug->reschange, vid.width, vid.height); #endif } else { Z_Free(newplug); newplug = NULL; } currentplug = NULL; return newplug; } static int Plug_Emumerated (const char *name, int size, void *param) { char vmname[MAX_QPATH]; Q_strncpyz(vmname, name, sizeof(vmname)); vmname[strlen(vmname) - strlen(param)] = '\0'; if (!Plug_Load(vmname)) Con_Printf("Couldn't load plugin %s\n", vmname); return true; } static qintptr_t VARGS Plug_Con_Print(void *offset, quintptr_t mask, const qintptr_t *arg) { // if (qrenderer == QR_NONE) // return false; Con_Printf("%s", (char*)VM_POINTER(arg[0])); return 0; } static qintptr_t VARGS Plug_Sys_Error(void *offset, quintptr_t mask, const qintptr_t *arg) { Sys_Error("%s", (char*)offset+arg[0]); return 0; } static qintptr_t VARGS Plug_Sys_Milliseconds(void *offset, quintptr_t mask, const qintptr_t *arg) { return Sys_DoubleTime()*1000; } static qintptr_t VARGS Plug_ExportToEngine(void *offset, quintptr_t mask, const qintptr_t *arg) { char *name = (char*)VM_POINTER(arg[0]); unsigned int functionid = VM_LONG(arg[1]); if (!strcmp(name, "Tick")) currentplug->tick = functionid; else if (!strcmp(name, "ExecuteCommand")) currentplug->executestring = functionid; else if (!strcmp(name, "Shutdown")) currentplug->shutdown = functionid; #ifndef SERVERONLY else if (!strcmp(name, "ConExecuteCommand")) currentplug->conexecutecommand = functionid; else if (!strcmp(name, "MenuEvent")) currentplug->menufunction = functionid; else if (!strcmp(name, "UpdateVideo")) currentplug->reschange = functionid; else if (!strcmp(name, "SbarBase")) //basic SBAR. currentplug->sbarlevel[0] = functionid; else if (!strcmp(name, "SbarSupplement")) //supplementry stuff - teamplay currentplug->sbarlevel[1] = functionid; else if (!strcmp(name, "SbarOverlay")) //overlay - scoreboard type stuff. currentplug->sbarlevel[2] = functionid; else if (!strcmp(name, "ConnectionlessClientPacket")) currentplug->connectionlessclientpacket = functionid; else if (!strcmp(name, "ServerMessageEvent")) currentplug->svmsgfunction = functionid; else if (!strcmp(name, "ChatMessageEvent")) currentplug->chatmsgfunction = functionid; else if (!strcmp(name, "CenterPrintMessage")) currentplug->centerprintfunction = functionid; else if (!strcmp(name, "SpellCheckMaskedText")) currentplug->spellcheckmaskedtext = functionid; #endif else return 0; return 1; } //retrieve a plugin's name static qintptr_t VARGS Plug_GetPluginName(void *offset, quintptr_t mask, const qintptr_t *arg) { int plugnum = VM_LONG(arg[0]); plugin_t *plug; //int plugnum (0 for current), char *buffer, int bufferlen if (VM_OOB(arg[1], arg[2])) return false; if (plugnum <= 0) { Q_strncpyz(VM_POINTER(arg[1]), currentplug->name, VM_LONG(arg[2])); return true; } for (plug = plugs; plug; plug = plug->next) { if (--plugnum == 0) { Q_strncpyz(VM_POINTER(arg[1]), plug->name, VM_LONG(arg[2])); return true; } } return false; } static qintptr_t VARGS Plug_ExportNative(void *offset, quintptr_t mask, const qintptr_t *arg) { void *func; char *name = (char*)VM_POINTER(arg[0]); arg++; func = ((void**)arg)[0]; if (!strcmp(name, "UnsafeClose")) { //not used by the engine, but stops the user from being able to unload the plugin. //this is useful for certain things, like if the plugin uses some external networking or direct disk access or whatever. currentplug->blockcloses++; } /* else if (!strncmp(name, "FS_LoadModule")) //module as in pak/pk3 { FS_RegisterModuleDriver(name + 13, func); currentplug->blockcloses++; } */ /* else if (!strncmp(name, "S_OutputDriver")) //a sound driver (takes higher priority over the built-in ones) { S_RegisterOutputDriver(name + 13, func); currentplug->blockcloses++; } */ /* else if (!strncmp(name, "VID_DisplayDriver")) //a video driver, loaded by name as given by vid_renderer { FS_RegisterModuleDriver(, func); currentplug->blockcloses++; } */ #if defined(PLUGINS) && !defined(NOMEDIA) && !defined(SERVERONLY) else if (!strcmp(name, "Media_VideoDecoder")) { Media_RegisterDecoder(currentplug, func); // currentplug->blockcloses++; } else if (!strcmp(name, "Media_VideoEncoder")) { Media_RegisterEncoder(currentplug, func); // currentplug->blockcloses++; } #endif #ifndef SERVERONLY else if (!strcmp(name, "S_LoadSound")) //a hook for loading extra types of sound (wav, mp3, ogg, midi, whatever you choose to support) { S_RegisterSoundInputPlugin((void*)func); currentplug->blockcloses++; } #endif else return 0; return 1; } typedef struct { //Make SURE that the engine has resolved all cvar pointers into globals before this happens. plugin_t *plugin; cvar_t *var; } plugincvararray_t; int plugincvararraylen; plugincvararray_t *plugincvararray; //qhandle_t Cvar_Register (char *name, char *defaultval, int flags, char *grouphint); static qintptr_t VARGS Plug_Cvar_Register(void *offset, quintptr_t mask, const qintptr_t *arg) { char *name = VM_POINTER(arg[0]); char *defaultvalue = VM_POINTER(arg[1]); unsigned int flags = VM_LONG(arg[2]); char *groupname = VM_POINTER(arg[3]); cvar_t *var; int i; var = Cvar_Get(name, defaultvalue, flags&1, groupname); for (i = 0; i < plugincvararraylen; i++) { if (!plugincvararray[i].var) { //hmm... a gap... plugincvararray[i].plugin = currentplug; plugincvararray[i].var = var; return i; } } i = plugincvararraylen; plugincvararraylen++; plugincvararray = BZ_Realloc(plugincvararray, (plugincvararraylen)*sizeof(plugincvararray_t)); plugincvararray[i].plugin = currentplug; plugincvararray[i].var = var; return i; } //int Cvar_Update, (qhandle_t handle, int modificationcount, char *stringv, float *floatv)); //stringv is 256 chars long, don't expect this function to do anything if modification count is unchanged. static qintptr_t VARGS Plug_Cvar_Update(void *offset, quintptr_t mask, const qintptr_t *arg) { int handle; int modcount; char *stringv; //255 bytes long. float *floatv; cvar_t *var; handle = VM_LONG(arg[0]); if (handle < 0 || handle >= plugincvararraylen) return 0; if (plugincvararray[handle].plugin != currentplug) return 0; //I'm not letting you know what annother plugin has registered. if (VM_OOB(arg[2], 256) || VM_OOB(arg[3], 4)) //Oi, plugin - you screwed up return 0; modcount = VM_LONG(arg[1]); stringv = VM_POINTER(arg[2]); floatv = VM_POINTER(arg[3]); var = plugincvararray[handle].var; strcpy(stringv, var->string); *floatv = var->value; return var->modified; } //void Cmd_Args(char *buffer, int buffersize) static qintptr_t VARGS Plug_Cmd_Args(void *offset, quintptr_t mask, const qintptr_t *arg) { char *buffer = (char*)VM_POINTER(arg[0]); char *args; args = Cmd_Args(); if (strlen(args)+1>arg[1]) return 0; strcpy(buffer, args); return 1; } //void Cmd_Argv(int num, char *buffer, int buffersize) static qintptr_t VARGS Plug_Cmd_Argv(void *offset, quintptr_t mask, const qintptr_t *arg) { char *buffer = (char*)VM_POINTER(arg[1]); char *args; args = Cmd_Argv(arg[0]); if (strlen(args)+1>arg[2]) return 0; strcpy(buffer, args); return 1; } //int Cmd_Argc(void) static qintptr_t VARGS Plug_Cmd_Argc(void *offset, quintptr_t mask, const qintptr_t *arg) { return Cmd_Argc(); } //void Cvar_SetString (char *name, char *value); static qintptr_t VARGS Plug_Cvar_SetString(void *offset, quintptr_t mask, const qintptr_t *arg) { char *name = VM_POINTER(arg[0]), *value = VM_POINTER(arg[1]); cvar_t *var = Cvar_Get(name, value, 0, "Plugin vars"); if (var) { Cvar_Set(var, value); return 1; } return 0; } //void Cvar_SetFloat (char *name, float value); static qintptr_t VARGS Plug_Cvar_SetFloat(void *offset, quintptr_t mask, const qintptr_t *arg) { char *name = VM_POINTER(arg[0]); float value = VM_FLOAT(arg[1]); cvar_t *var = Cvar_Get(name, "", 0, "Plugin vars"); //"" because I'm lazy if (var) { Cvar_SetValue(var, value); return 1; } return 0; } //void Cvar_GetFloat (char *name); static qintptr_t VARGS Plug_Cvar_GetFloat(void *offset, quintptr_t mask, const qintptr_t *arg) { char *name = VM_POINTER(arg[0]); int ret; cvar_t *var = Cvar_Get(name, "", 0, "Plugin vars"); if (var) { VM_FLOAT(ret) = var->value; } else VM_FLOAT(ret) = 0; return ret; } //qboolean Cvar_GetString (char *name, char *retstring, int sizeofretstring); static qintptr_t VARGS Plug_Cvar_GetString(void *offset, quintptr_t mask, const qintptr_t *arg) { char *name, *ret; int retsize; cvar_t *var; if (VM_OOB(arg[1], arg[2])) { return false; } name = VM_POINTER(arg[0]); ret = VM_POINTER(arg[1]); retsize = VM_LONG(arg[2]); var = Cvar_Get(name, "", 0, "Plugin vars"); if (strlen(var->name)+1 > retsize) return false; strcpy(ret, var->string); return true; } //void Cmd_AddText (char *text, qboolean insert); //abort the entire engine. static qintptr_t VARGS Plug_Cmd_AddText(void *offset, quintptr_t mask, const qintptr_t *arg) { if (VM_LONG(arg[1])) Cbuf_InsertText(VM_POINTER(arg[0]), RESTRICT_LOCAL, false); else Cbuf_AddText(VM_POINTER(arg[0]), RESTRICT_LOCAL); return 1; } int plugincommandarraylen; typedef struct { plugin_t *plugin; char command[64]; } plugincommand_t; plugincommand_t *plugincommandarray; void Plug_Command_f(void) { int i; char *cmd = Cmd_Argv(0); plugin_t *oldplug = currentplug; for (i = 0; i < plugincommandarraylen; i++) { if (!plugincommandarray[i].plugin) continue; //don't check commands who's owners died. if (stricmp(plugincommandarray[i].command, cmd)) //not the right command continue; currentplug = plugincommandarray[i].plugin; if (currentplug->executestring) VM_Call(currentplug->vm, currentplug->executestring, 0); break; } currentplug = oldplug; } static qintptr_t VARGS Plug_Cmd_AddCommand(void *offset, quintptr_t mask, const qintptr_t *arg) { int i; char *name = VM_POINTER(arg[0]); for (i = 0; i < plugincommandarraylen; i++) { if (!plugincommandarray[i].plugin) break; if (plugincommandarray[i].plugin == currentplug) { if (!strcmp(name, plugincommandarray[i].command)) break; } } if (i == plugincommandarraylen) { plugincommandarraylen++; plugincommandarray = BZ_Realloc(plugincommandarray, plugincommandarraylen*sizeof(plugincommand_t)); } Q_strncpyz(plugincommandarray[i].command, name, sizeof(plugincommandarray[i].command)); if (!Cmd_AddCommand(plugincommandarray[i].command, Plug_Command_f)) return false; plugincommandarray[i].plugin = currentplug; //worked return true; } static void VARGS Plug_FreeConCommands(plugin_t *plug) { int i; for (i = 0; i < plugincommandarraylen; i++) { if (plugincommandarray[i].plugin == plug) { plugincommandarray[i].plugin = NULL; Cmd_RemoveCommand(plugincommandarray[i].command); } } } typedef enum{ STREAM_NONE, STREAM_SOCKET, STREAM_TLS, STREAM_OSFILE, STREAM_FILE } plugstream_e; typedef struct { plugin_t *plugin; plugstream_e type; int socket; struct { char filename[MAX_QPATH]; qbyte *buffer; int buflen; int curlen; int curpos; } file; #ifdef GNUTLS gnutls_session session; #endif } pluginstream_t; pluginstream_t *pluginstreamarray; int pluginstreamarraylen; static int Plug_NewStreamHandle(plugstream_e type) { int i; for (i = 1; i < pluginstreamarraylen; i++) { if (!pluginstreamarray[i].plugin) break; } if (i >= pluginstreamarraylen) { pluginstreamarraylen=i+16; pluginstreamarray = BZ_Realloc(pluginstreamarray, pluginstreamarraylen*sizeof(pluginstream_t)); } memset(&pluginstreamarray[i], 0, sizeof(pluginstream_t)); pluginstreamarray[i].plugin = currentplug; pluginstreamarray[i].type = type; pluginstreamarray[i].socket = -1; pluginstreamarray[i].file.buffer = NULL; *pluginstreamarray[i].file.filename = '\0'; return i; } #ifndef NACL //EBUILTIN(int, NET_TCPListen, (char *ip, int port, int maxcount)); //returns a new socket with listen enabled. static qintptr_t VARGS Plug_Net_TCPListen(void *offset, quintptr_t mask, const qintptr_t *arg) { int handle; int sock; struct sockaddr_qstorage address; int _true = 1; int alen; char *localip = VM_POINTER(arg[0]); unsigned short localport = VM_LONG(arg[1]); int maxcount = VM_LONG(arg[2]); netadr_t a; if (localip) { if (!NET_StringToAdr(localip, &a)) return -1; NetadrToSockadr(&a, &address); } else { memset(&address, 0, sizeof(address)); ((struct sockaddr_in*)&address)->sin_family = AF_INET; } if (((struct sockaddr_in*)&address)->sin_family == AF_INET && !((struct sockaddr_in*)&address)->sin_port) ((struct sockaddr_in*)&address)->sin_port = htons(localport); #ifdef IPPROTO_IPV6 else if (((struct sockaddr_in6*)&address)->sin6_family == AF_INET6 && !((struct sockaddr_in6*)&address)->sin6_port) ((struct sockaddr_in6*)&address)->sin6_port = htons(localport); #endif switch(((struct sockaddr*)&address)->sa_family) { case AF_INET: alen = sizeof(struct sockaddr_in); break; #ifdef IPPROTO_IPV6 case AF_INET6: alen = sizeof(struct sockaddr_in6); break; #endif default: return -2; } if ((sock = socket(((struct sockaddr*)&address)->sa_family, SOCK_STREAM, 0)) == -1) { Con_Printf("Failed to create socket\n"); return -2; } if (ioctlsocket (sock, FIONBIO, (u_long *)&_true) == -1) { closesocket(sock); return -2; } setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (const char *)&_true, sizeof(_true)); if (bind (sock, (void *)&address, alen) == -1) { closesocket(sock); return -2; } if (listen (sock, maxcount) == -1) { closesocket(sock); return -2; } handle = Plug_NewStreamHandle(STREAM_SOCKET); pluginstreamarray[handle].socket = sock; return handle; } static qintptr_t VARGS Plug_Net_Accept(void *offset, quintptr_t mask, const qintptr_t *arg) { int handle = VM_LONG(arg[0]); struct sockaddr_in address; int addrlen; int sock; int _true = 1; char adr[MAX_ADR_SIZE]; if (handle < 0 || handle >= pluginstreamarraylen || pluginstreamarray[handle].plugin != currentplug || pluginstreamarray[handle].type != STREAM_SOCKET) return -2; sock = pluginstreamarray[handle].socket; if (sock < 0) return -1; addrlen = sizeof(address); sock = accept(sock, (struct sockaddr *)&address, &addrlen); if (sock < 0) return -1; if (ioctlsocket (sock, FIONBIO, (u_long *)&_true) == -1) //now make it non blocking. { closesocket(sock); return -1; } if (arg[2] && !VM_OOB(arg[1], arg[2])) { netadr_t a; char *s; SockadrToNetadr((struct sockaddr_qstorage *)&address, &a); s = NET_AdrToString(adr, sizeof(adr), a); Q_strncpyz(VM_POINTER(arg[1]), s, addrlen); } handle = Plug_NewStreamHandle(STREAM_SOCKET); pluginstreamarray[handle].socket = sock; return handle; } //EBUILTIN(int, NET_TCPConnect, (char *ip, int port)); qintptr_t VARGS Plug_Net_TCPConnect(void *offset, quintptr_t mask, const qintptr_t *arg) { char *localip = VM_POINTER(arg[0]); unsigned short localport = VM_LONG(arg[1]); int handle; struct sockaddr_qstorage to, from; int sock; int _true = 1; netadr_t a; if (!NET_StringToAdr(localip, &a)) return -1; NetadrToSockadr(&a, &to); if (((struct sockaddr_in*)&to)->sin_family == AF_INET && !((struct sockaddr_in*)&to)->sin_port) ((struct sockaddr_in*)&to)->sin_port = htons(localport); #ifdef IPPROTO_IPV6 else if (((struct sockaddr_in6*)&to)->sin6_family == AF_INET6 && !((struct sockaddr_in6*)&to)->sin6_port) ((struct sockaddr_in6*)&to)->sin6_port = htons(localport); #endif if ((sock = socket (PF_INET, SOCK_STREAM, IPPROTO_TCP)) == -1) { return -2; } memset(&from, 0, sizeof(from)); ((struct sockaddr*)&from)->sa_family = ((struct sockaddr*)&to)->sa_family; if (bind(sock, (struct sockaddr *)&from, sizeof(from)) == -1) { return -2; } //not yet blocking. So no frequent attempts please... //non blocking prevents connect from returning worthwhile sensible value. if (connect(sock, (struct sockaddr *)&to, sizeof(to)) == -1) { closesocket(sock); return -2; } if (ioctlsocket (sock, FIONBIO, (u_long *)&_true) == -1) //now make it non blocking. { return -1; } handle = Plug_NewStreamHandle(STREAM_SOCKET); pluginstreamarray[handle].socket = sock; return handle; } #ifdef GNUTLS qintptr_t VARGS Plug_Net_SetTLSClient(void *offset, unsigned int mask, const qintptr_t *arg) { static gnutls_anon_client_credentials anoncred; static gnutls_certificate_credentials xcred; int ret; long _false = false; long _true = true; /* Need to enable anonymous KX specifically. */ const int kx_prio[] = {GNUTLS_KX_ANON_DH, 0}; const int cert_type_priority[3] = {GNUTLS_CRT_X509, GNUTLS_CRT_OPENPGP, 0}; pluginstream_t *stream; int handle = VM_LONG(arg[0]); qboolean anon = false; if (handle < 0 || handle >= pluginstreamarraylen || pluginstreamarray[handle].plugin != currentplug) { Con_Printf("Plug_Net_SetTLSClient: socket does not belong to you (or is invalid)\n"); return -2; } stream = &pluginstreamarray[handle]; if (stream->type != STREAM_SOCKET) { //not a socket - invalid Con_Printf("Plug_Net_SetTLSClient: Not a socket handle\n"); return -2; } ioctlsocket (stream->socket, FIONBIO, &_false); { static qboolean needinit = true; if (needinit) { gnutls_global_init (); gnutls_anon_allocate_client_credentials (&anoncred); gnutls_certificate_allocate_credentials (&xcred); // gnutls_certificate_set_x509_trust_file (xcred, "ca.pem", GNUTLS_X509_FMT_PEM); needinit = false; } } stream->type = STREAM_TLS; // Initialize TLS session gnutls_init (&stream->session, GNUTLS_CLIENT); // Use default priorities gnutls_set_default_priority (stream->session); if (anon) { gnutls_kx_set_priority (stream->session, kx_prio); gnutls_credentials_set (stream->session, GNUTLS_CRD_ANON, anoncred); } else { gnutls_certificate_type_set_priority (stream->session, cert_type_priority); gnutls_credentials_set (stream->session, GNUTLS_CRD_CERTIFICATE, xcred); } // connect to the peer gnutls_transport_set_ptr (stream->session, (gnutls_transport_ptr) stream->socket); // Perform the TLS handshake ret = GNUTLS_E_AGAIN; while ((ret == GNUTLS_E_AGAIN) || (ret == GNUTLS_E_INTERRUPTED)) { ret = gnutls_handshake (stream->session); } if (ret < 0) { Con_Printf (CON_ERROR "*** TLS handshake failed (%i)\n", ret); gnutls_perror (ret); stream->type = STREAM_SOCKET; //go back to regular socket gnutls_bye (pluginstreamarray[handle].session, GNUTLS_SHUT_RDWR); return -2; } ioctlsocket (stream->socket, FIONBIO, &_true); return 0; } #endif #endif qintptr_t VARGS Plug_FS_Open(void *offset, quintptr_t mask, const qintptr_t *arg) { //modes: //1: read //2: write //char *name, int *handle, int mode //return value is length of the file. int handle; int *ret; char *data; if (VM_OOB(arg[1], sizeof(int))) return -2; ret = VM_POINTER(arg[1]); if (arg[2] == 1) { FS_LoadFile(VM_POINTER(arg[0]), (void**)&data); if (!data) return -1; handle = Plug_NewStreamHandle(STREAM_FILE); pluginstreamarray[handle].file.buffer = data; pluginstreamarray[handle].file.curpos = 0; pluginstreamarray[handle].file.curlen = com_filesize; pluginstreamarray[handle].file.buflen = com_filesize; *ret = handle; return com_filesize; } else if (arg[2] == 2) { data = BZ_Malloc(8192); if (!data) return -1; handle = Plug_NewStreamHandle(STREAM_FILE); Q_strncpyz(pluginstreamarray[handle].file.filename, VM_POINTER(arg[0]), MAX_QPATH); pluginstreamarray[handle].file.buffer = data; pluginstreamarray[handle].file.curpos = 0; pluginstreamarray[handle].file.curlen = 0; pluginstreamarray[handle].file.buflen = 8192; *ret = handle; return com_filesize; } else return -2; } qintptr_t VARGS Plug_memset(void *offset, quintptr_t mask, const qintptr_t *arg) { void *p = VM_POINTER(arg[0]); if (VM_OOB(arg[0], arg[2])) return false; if (p) memset(p, VM_LONG(arg[1]), VM_LONG(arg[2])); return arg[0]; } qintptr_t VARGS Plug_memcpy(void *offset, quintptr_t mask, const qintptr_t *arg) { void *p1 = VM_POINTER(arg[0]); void *p2 = VM_POINTER(arg[1]); if (VM_OOB(arg[0], arg[2])) return false; if (VM_OOB(arg[1], arg[2])) return false; if (p1 && p2) memcpy(p1, p2, VM_LONG(arg[2])); return arg[0]; } qintptr_t VARGS Plug_memmove(void *offset, quintptr_t mask, const qintptr_t *arg) { void *p1 = VM_POINTER(arg[0]); void *p2 = VM_POINTER(arg[1]); if (VM_OOB(arg[0], arg[2])) return false; if (VM_OOB(arg[1], arg[2])) return false; if (p1 && p2) memmove(p1, p2, VM_LONG(arg[2])); return arg[0]; } qintptr_t VARGS Plug_sqrt(void *offset, quintptr_t mask, const qintptr_t *arg) { int ret; VM_FLOAT(ret) = sqrt(VM_FLOAT(arg[0])); return ret; } qintptr_t VARGS Plug_sin(void *offset, quintptr_t mask, const qintptr_t *arg) { int ret; VM_FLOAT(ret) = sin(VM_FLOAT(arg[0])); return ret; } qintptr_t VARGS Plug_cos(void *offset, quintptr_t mask, const qintptr_t *arg) { int ret; VM_FLOAT(ret) = cos(VM_FLOAT(arg[0])); return ret; } qintptr_t VARGS Plug_atan2(void *offset, quintptr_t mask, const qintptr_t *arg) { int ret; VM_FLOAT(ret) = atan2(VM_FLOAT(arg[0]), VM_FLOAT(arg[1])); return ret; } qintptr_t VARGS Plug_Net_Recv(void *offset, quintptr_t mask, const qintptr_t *arg) { int read; int handle = VM_LONG(arg[0]); void *dest = VM_POINTER(arg[1]); int destlen = VM_LONG(arg[2]); if (VM_OOB(arg[1], arg[2])) return -2; if (handle < 0 || handle >= pluginstreamarraylen || pluginstreamarray[handle].plugin != currentplug) return -2; switch(pluginstreamarray[handle].type) { #ifndef NACL case STREAM_SOCKET: read = recv(pluginstreamarray[handle].socket, dest, destlen, 0); if (read < 0) { if (qerrno == EWOULDBLOCK) return -1; else return -2; } else if (read == 0) return -2; //closed by remote connection. return read; #endif #ifdef GNUTLS case STREAM_TLS: read = gnutls_record_recv(pluginstreamarray[handle].session, dest, destlen); if (read < 0) { if (read == GNUTLS_E_AGAIN || read == -9) return -1; else { Con_Printf("TLS Read Error %i (bufsize %i)\n", read, destlen); return -2; } } else if (read == 0) return -2; //closed by remote connection. return read; #endif case STREAM_FILE: if (pluginstreamarray[handle].file.curlen - pluginstreamarray[handle].file.curpos < destlen) { destlen = pluginstreamarray[handle].file.curlen - pluginstreamarray[handle].file.curpos; if (destlen < 0) return -2; } memcpy(dest, pluginstreamarray[handle].file.buffer + pluginstreamarray[handle].file.curpos, destlen); pluginstreamarray[handle].file.curpos += destlen; return destlen; default: return -2; } } qintptr_t VARGS Plug_Net_Send(void *offset, quintptr_t mask, const qintptr_t *arg) { int written; int handle = VM_LONG(arg[0]); void *src = VM_POINTER(arg[1]); int srclen = VM_LONG(arg[2]); if (handle < 0 || handle >= pluginstreamarraylen || pluginstreamarray[handle].plugin != currentplug) return -2; switch(pluginstreamarray[handle].type) { #ifndef NACL case STREAM_SOCKET: written = send(pluginstreamarray[handle].socket, src, srclen, 0); if (written < 0) { if (qerrno == EWOULDBLOCK) return -1; else return -2; } else if (written == 0) return -2; //closed by remote connection. return written; #endif #ifdef GNUTLS case STREAM_TLS: written = gnutls_record_send(pluginstreamarray[handle].session, src, srclen); if (written < 0) { if (written == GNUTLS_E_AGAIN || written == GNUTLS_E_INTERRUPTED) return -1; else { Con_Printf("TLS Send Error %i (%i bytes)\n", written, srclen); return -2; } } else if (written == 0) return -2; //closed by remote connection. return written; #endif case STREAM_FILE: if (pluginstreamarray[handle].file.buflen < pluginstreamarray[handle].file.curpos + srclen) { pluginstreamarray[handle].file.buflen = pluginstreamarray[handle].file.curpos + srclen+8192; pluginstreamarray[handle].file.buffer = BZ_Realloc(pluginstreamarray[handle].file.buffer, pluginstreamarray[handle].file.buflen); } memcpy(pluginstreamarray[handle].file.buffer + pluginstreamarray[handle].file.curpos, src, srclen); pluginstreamarray[handle].file.curpos += srclen; if (pluginstreamarray[handle].file.curpos > pluginstreamarray[handle].file.curlen) pluginstreamarray[handle].file.curlen = pluginstreamarray[handle].file.curpos; return -2; default: return -2; } } qintptr_t VARGS Plug_Net_SendTo(void *offset, quintptr_t mask, const qintptr_t *arg) { int written; int handle = VM_LONG(arg[0]); void *src = VM_POINTER(arg[1]); int srclen = VM_LONG(arg[2]); netadr_t *address = VM_POINTER(arg[3]); struct sockaddr_qstorage sockaddr; if (handle == -1) { NET_SendPacket(NS_CLIENT, srclen, src, *address); return srclen; } NetadrToSockadr(address, &sockaddr); if (handle < 0 || handle >= pluginstreamarraylen || pluginstreamarray[handle].plugin != currentplug) return -2; switch(pluginstreamarray[handle].type) { #ifndef NACL case STREAM_SOCKET: written = sendto(pluginstreamarray[handle].socket, src, srclen, 0, (struct sockaddr*)&sockaddr, sizeof(sockaddr)); if (written < 0) { if (qerrno == EWOULDBLOCK) return -1; else return -2; } else if (written == 0) return -2; //closed by remote connection. return written; #endif default: return -2; } } void Plug_Net_Close_Internal(int handle) { switch(pluginstreamarray[handle].type) { case STREAM_FILE: if (*pluginstreamarray[handle].file.filename) { COM_WriteFile(pluginstreamarray[handle].file.filename, pluginstreamarray[handle].file.buffer, pluginstreamarray[handle].file.curlen); BZ_Free(pluginstreamarray[handle].file.buffer); } else FS_FreeFile(pluginstreamarray[handle].file.buffer); break; case STREAM_NONE: break; case STREAM_OSFILE: break; case STREAM_SOCKET: #ifndef NACL closesocket(pluginstreamarray[handle].socket); #endif break; case STREAM_TLS: #ifdef GNUTLS gnutls_bye (pluginstreamarray[handle].session, GNUTLS_SHUT_RDWR); pluginstreamarray[handle].type = STREAM_SOCKET; Plug_Net_Close_Internal(handle); return; #endif break; } pluginstreamarray[handle].plugin = NULL; } qintptr_t VARGS Plug_Net_Close(void *offset, quintptr_t mask, const qintptr_t *arg) { int handle = VM_LONG(arg[0]); if (handle < 0 || handle >= pluginstreamarraylen || pluginstreamarray[handle].plugin != currentplug) return -2; Plug_Net_Close_Internal(handle); return 0; } qintptr_t VARGS Plug_ReadInputBuffer(void *offset, quintptr_t mask, const qintptr_t *arg) { void *buffer = VM_POINTER(arg[0]); int bufferlen = VM_LONG(arg[1]); if (bufferlen > currentplug->inputbytes) bufferlen = currentplug->inputbytes; memcpy(buffer, currentplug->inputptr, currentplug->inputbytes); return bufferlen; } qintptr_t VARGS Plug_UpdateInputBuffer(void *offset, quintptr_t mask, const qintptr_t *arg) { void *buffer = VM_POINTER(arg[0]); int bufferlen = VM_LONG(arg[1]); if (bufferlen > currentplug->inputbytes) bufferlen = currentplug->inputbytes; memcpy(currentplug->inputptr, buffer, currentplug->inputbytes); return bufferlen; } void Plug_CloseAll_f(void); void Plug_List_f(void); void Plug_Close_f(void); void Plug_Load_f(void) { char *plugin; plugin = Cmd_Argv(1); if (!*plugin) { Con_Printf("Loads a plugin\n"); Con_Printf("plug_load [pluginpath]\n"); Con_Printf("example pluginpath: plugins/blah\n"); Con_Printf("will load blahx86.dll or blah.so\n"); return; } if (!Plug_Load(plugin)) { if (!Plug_Load(va("plugins/%s", plugin))) Con_Printf("Couldn't load plugin %s\n", Cmd_Argv(1)); } } /* static qintptr_t Test_SysCalls_Ex(void *offset, quintptr_t mask, int fn, qintptr_t *arg) { switch(fn) { case 1: Con_Printf("%s", VM_POINTER(arg[0])); break; default: Con_Printf("Can't handle %i\n", fn); } return 0; } static int EXPORT_FN Test_SysCalls(int arg, ...) { return 0; } void VM_Test_f(void) { vm_t *vm; vm = VM_Create(NULL, "vm/test", Test_SysCalls, Test_SysCalls_Ex); if (vm) { VM_Call(vm, 0, ""); VM_Destroy(vm); } }*/ void Plug_Init(void) { // Cmd_AddCommand("testvm", VM_Test_f); Cvar_Register(&plug_sbar, "plugins"); Cvar_Register(&plug_loaddefault, "plugins"); Cmd_AddCommand("plug_closeall", Plug_CloseAll_f); Cmd_AddCommand("plug_close", Plug_Close_f); Cmd_AddCommand("plug_load", Plug_Load_f); Cmd_AddCommand("plug_list", Plug_List_f); Plug_RegisterBuiltin("Plug_GetEngineFunction", Plug_GetBuiltin, 0);//plugin wishes to find a builtin number. Plug_RegisterBuiltin("Plug_ExportToEngine", Plug_ExportToEngine, 0); //plugin has a call back that we might be interested in. Plug_RegisterBuiltin("Plug_ExportNative", Plug_ExportNative, PLUG_BIF_DLLONLY); Plug_RegisterBuiltin("Con_Print", Plug_Con_Print, 0); //printf is not possible - qvm floats are never doubles, vararg floats in a cdecl call are always converted to doubles. Plug_RegisterBuiltin("Sys_Error", Plug_Sys_Error, 0); Plug_RegisterBuiltin("Sys_Milliseconds", Plug_Sys_Milliseconds, 0); Plug_RegisterBuiltin("Com_Error", Plug_Sys_Error, 0); //make zquake programmers happy. Plug_RegisterBuiltin("Cmd_AddCommand", Plug_Cmd_AddCommand, 0); Plug_RegisterBuiltin("Cmd_Args", Plug_Cmd_Args, 0); Plug_RegisterBuiltin("Cmd_Argc", Plug_Cmd_Argc, 0); Plug_RegisterBuiltin("Cmd_Argv", Plug_Cmd_Argv, 0); Plug_RegisterBuiltin("Cmd_AddText", Plug_Cmd_AddText, 0); Plug_RegisterBuiltin("Cvar_Register", Plug_Cvar_Register, 0); Plug_RegisterBuiltin("Cvar_Update", Plug_Cvar_Update, 0); Plug_RegisterBuiltin("Cvar_SetString", Plug_Cvar_SetString, 0); Plug_RegisterBuiltin("Cvar_SetFloat", Plug_Cvar_SetFloat, 0); Plug_RegisterBuiltin("Cvar_GetString", Plug_Cvar_GetString, 0); Plug_RegisterBuiltin("Cvar_GetFloat", Plug_Cvar_GetFloat, 0); #ifndef NACL Plug_RegisterBuiltin("Net_TCPListen", Plug_Net_TCPListen, 0); Plug_RegisterBuiltin("Net_Accept", Plug_Net_Accept, 0); Plug_RegisterBuiltin("Net_TCPConnect", Plug_Net_TCPConnect, 0); #ifdef GNUTLS if (Init_GNUTLS()) Plug_RegisterBuiltin("Net_SetTLSClient", Plug_Net_SetTLSClient, 0); #endif Plug_RegisterBuiltin("Net_Recv", Plug_Net_Recv, 0); Plug_RegisterBuiltin("Net_Send", Plug_Net_Send, 0); Plug_RegisterBuiltin("Net_SendTo", Plug_Net_SendTo, 0); Plug_RegisterBuiltin("Net_Close", Plug_Net_Close, 0); #endif Plug_RegisterBuiltin("FS_Open", Plug_FS_Open, 0); Plug_RegisterBuiltin("FS_Read", Plug_Net_Recv, 0); Plug_RegisterBuiltin("FS_Write", Plug_Net_Send, 0); Plug_RegisterBuiltin("FS_Close", Plug_Net_Close, 0); Plug_RegisterBuiltin("memset", Plug_memset, 0); Plug_RegisterBuiltin("memcpy", Plug_memcpy, 0); Plug_RegisterBuiltin("memmove", Plug_memmove, 0); Plug_RegisterBuiltin("sqrt", Plug_sqrt, 0); Plug_RegisterBuiltin("sin", Plug_sin, 0); Plug_RegisterBuiltin("cos", Plug_cos, 0); Plug_RegisterBuiltin("atan2", Plug_atan2, 0); Plug_RegisterBuiltin("ReadInputBuffer", Plug_ReadInputBuffer, 0); Plug_RegisterBuiltin("UpdateInputBuffer", Plug_UpdateInputBuffer, 0); Plug_Client_Init(); if (plug_loaddefault.value) { #ifdef _WIN32 COM_EnumerateFiles("plugins/*x86.dll", Plug_Emumerated, "x86.dll"); #elif defined(__linux__) COM_EnumerateFiles("plugins/*x86.so", Plug_Emumerated, "x86.so"); #endif COM_EnumerateFiles("plugins/*.qvm", Plug_Emumerated, ".qvm"); } } void Plug_Tick(void) { plugin_t *oldplug = currentplug; for (currentplug = plugs; currentplug; currentplug = currentplug->next) { if (currentplug->tick) { VM_Call(currentplug->vm, currentplug->tick, (int)(realtime*1000)); } } currentplug = oldplug; } #ifndef SERVERONLY void Plug_ResChanged(void) { plugin_t *oldplug = currentplug; for (currentplug = plugs; currentplug; currentplug = currentplug->next) { if (currentplug->reschange) VM_Call(currentplug->vm, currentplug->reschange, vid.width, vid.height); } currentplug = oldplug; } #endif qboolean Plugin_ExecuteString(void) { plugin_t *oldplug = currentplug; if (Cmd_Argc()>0) { for (currentplug = plugs; currentplug; currentplug = currentplug->next) { if (currentplug->executestring) { if (VM_Call(currentplug->vm, currentplug->executestring, 0)) { currentplug = oldplug; return true; } } } } currentplug = oldplug; return false; } #ifndef SERVERONLY void Plug_SubConsoleCommand(console_t *con, char *line) { char buffer[2048]; plugin_t *oldplug = currentplug; //shouldn't really be needed, but oh well currentplug = con->userdata; Q_strncpyz(buffer, va("%s %s", con->name, line), sizeof(buffer)); Cmd_TokenizeString(buffer, false, false); VM_Call(currentplug->vm, currentplug->conexecutecommand, 0); currentplug = oldplug; } void Plug_SpellCheckMaskedText(unsigned int *maskedstring, int maskedchars, int x, int y, int cs, int firstc, int charlimit) { plugin_t *oldplug = currentplug; for (currentplug = plugs; currentplug; currentplug = currentplug->next) { if (currentplug->spellcheckmaskedtext) { currentplug->inputptr = maskedstring; currentplug->inputbytes = sizeof(*maskedstring)*maskedchars; VM_Call(currentplug->vm, currentplug->spellcheckmaskedtext, x, y, cs, firstc, charlimit); currentplug->inputptr = NULL; currentplug->inputbytes = 0; } } currentplug = oldplug; } #endif #ifndef SERVERONLY qboolean Plug_Menu_Event(int eventtype, int param) //eventtype = draw/keydown/keyup, param = time/key { plugin_t *oc=currentplug; qboolean ret; extern int mousecursor_x, mousecursor_y; if (!menuplug) return false; currentplug = menuplug; ret = VM_Call(menuplug->vm, menuplug->menufunction, eventtype, param, mousecursor_x, mousecursor_y); currentplug=oc; return ret; } #endif #ifndef SERVERONLY int Plug_ConnectionlessClientPacket(char *buffer, int size) { for (currentplug = plugs; currentplug; currentplug = currentplug->next) { if (currentplug->connectionlessclientpacket) { switch (VM_Call(currentplug->vm, currentplug->connectionlessclientpacket, buffer, size, &net_from)) { case 0: continue; //wasn't handled case 1: currentplug = NULL; //was handled with no apparent result return true; case 2: #ifndef SERVERONLY cls.protocol = CP_PLUGIN; //woo, the plugin wants to connect to them! protocolclientplugin = currentplug; #endif currentplug = NULL; return true; } } } return false; } #endif #ifndef SERVERONLY void Plug_SBar(void) { extern qboolean sb_showscores, sb_showteamscores; plugin_t *oc=currentplug; int cp, ret; vrect_t rect; if (!Sbar_ShouldDraw()) return; ret = 0; if (!plug_sbar.ival || cl.splitclients > 1) currentplug = NULL; else { for (currentplug = plugs; currentplug; currentplug = currentplug->next) { if (currentplug->sbarlevel[0]) { for (cp = 0; cp < cl.splitclients; cp++) { //if you don't use splitscreen, use a full videosize rect. SCR_VRectForPlayer(&rect, cp); R2D_ImageColours(1, 1, 1, 1); // ensure menu colors are reset ret |= VM_Call(currentplug->vm, currentplug->sbarlevel[0], cp, rect.x, rect.y, rect.width, rect.height, sb_showscores+sb_showteamscores*2); } break; } } } if (!(ret & 1)) { Sbar_Draw(); } for (currentplug = plugs; currentplug; currentplug = currentplug->next) { if (currentplug->sbarlevel[1]) { for (cp = 0; cp < cl.splitclients; cp++) { //if you don't use splitscreen, use a full videosize rect. SCR_VRectForPlayer(&rect, cp); R2D_ImageColours(1, 1, 1, 1); // ensure menu colors are reset ret |= VM_Call(currentplug->vm, currentplug->sbarlevel[1], cp, rect.x, rect.y, rect.width, rect.height, sb_showscores+sb_showteamscores*2); } } } for (currentplug = plugs; currentplug; currentplug = currentplug->next) { if (currentplug->sbarlevel[2]) { for (cp = 0; cp < cl.splitclients; cp++) { //if you don't use splitscreen, use a full videosize rect. SCR_VRectForPlayer(&rect, cp); R2D_ImageColours(1, 1, 1, 1); // ensure menu colors are reset ret |= VM_Call(currentplug->vm, currentplug->sbarlevel[2], cp, rect.x, rect.y, rect.width, rect.height, sb_showscores+sb_showteamscores*2); } } } if (!(ret & 2)) { Sbar_DrawScoreboard(); } currentplug = oc; } #endif qboolean Plug_ServerMessage(char *buffer, int messagelevel) { qboolean ret = true; Cmd_TokenizeString(buffer, false, false); Cmd_Args_Set(buffer); for (currentplug = plugs; currentplug; currentplug = currentplug->next) { if (currentplug->svmsgfunction) { ret &= VM_Call(currentplug->vm, currentplug->svmsgfunction, messagelevel); } } Cmd_Args_Set(NULL); return ret; // true to display message, false to supress } qboolean Plug_ChatMessage(char *buffer, int talkernum, int tpflags) { qboolean ret = true; Cmd_TokenizeString(buffer, false, false); Cmd_Args_Set(buffer); for (currentplug = plugs; currentplug; currentplug = currentplug->next) { if (currentplug->chatmsgfunction) { ret &= VM_Call(currentplug->vm, currentplug->chatmsgfunction, talkernum, tpflags); } } Cmd_Args_Set(NULL); return ret; // true to display message, false to supress } qboolean Plug_CenterPrintMessage(char *buffer, int clientnum) { qboolean ret = true; Cmd_TokenizeString(buffer, false, false); Cmd_Args_Set(buffer); for (currentplug = plugs; currentplug; currentplug = currentplug->next) { if (currentplug->centerprintfunction) { ret &= VM_Call(currentplug->vm, currentplug->centerprintfunction, clientnum); } } Cmd_Args_Set(NULL); return ret; // true to display message, false to supress } void Plug_Close(plugin_t *plug) { if (plug->blockcloses) { Con_Printf("Plugin %s provides driver features, and cannot safely be unloaded\n", plug->name); return; } if (plugs == plug) plugs = plug->next; else { plugin_t *prev; for (prev = plugs; prev; prev = prev->next) { if (prev->next == plug) break; } if (!prev) Sys_Error("Plug_Close: not linked\n"); prev->next = plug->next; } Con_Printf("Closing plugin %s\n", plug->name); #if defined(PLUGINS) && !defined(NOMEDIA) && !defined(SERVERONLY) Media_UnregisterDecoder(plug, NULL); Media_UnregisterEncoder(plug, NULL); #endif if (plug->shutdown) VM_Call(plug->vm, plug->shutdown); VM_Destroy(plug->vm); Plug_FreeConCommands(plug); Plug_Client_Close(plug); Z_Free(plug); if (currentplug == plug) currentplug = NULL; } void Plug_Close_f(void) { plugin_t *plug; char *name = Cmd_Argv(1); if (Cmd_Argc()<2) { Con_Printf("Close which plugin?\n"); return; } if (currentplug) Sys_Error("Plug_CloseAll_f called inside a plugin!\n"); for (plug = plugs; plug; plug = plug->next) { if (!strcmp(plug->name, name)) { Plug_Close(plug); return; } } name = va("plugins/%s", name); for (plug = plugs; plug; plug = plug->next) { if (!strcmp(plug->name, name)) { Plug_Close(plug); return; } } Con_Printf("Plugin %s does not appear to be loaded\n", Cmd_Argv(1)); } void Plug_CloseAll_f(void) { plugin_t *p; if (currentplug) Sys_Error("Plug_CloseAll_f called inside a plugin!\n"); while(plugs) { p = plugs; while (p->blockcloses) { p = p->next; if (!p) return; } Plug_Close(p); } } void Plug_List_f(void) { plugin_t *plug; for (plug = plugs; plug; plug = plug->next) { Con_Printf("%s - \n", plug->name); VM_PrintInfo(plug->vm); } } void Plug_Shutdown(void) { while(plugs) { plugs->blockcloses = 0; Plug_Close(plugs); } numplugbuiltins = 0; BZ_Free(plugbuiltins); plugbuiltins = NULL; plugincvararraylen = 0; BZ_Free(plugincvararray); plugincvararray = NULL; plugincommandarraylen = 0; BZ_Free(plugincommandarray); plugincommandarray = NULL; } #endif