X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Finspircd_io.cpp;h=eb5229252277c7cd6e2100abaf9d4697f337f43e;hb=aa36987ef707f79042a21dc793feec5586f01edb;hp=e47cf9dda9277414efb0f103f054dd51512779ea;hpb=c3b861b2507dd2ef52802c69a2d737925846e2e0;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/inspircd_io.cpp b/src/inspircd_io.cpp index e47cf9dda..eb5229252 100644 --- a/src/inspircd_io.cpp +++ b/src/inspircd_io.cpp @@ -5,7 +5,7 @@ * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. * E-mail: * - * + * * * Written by Craig Edwards, Craig McLure, and others. * This program is free but copyrighted software; see @@ -25,6 +25,7 @@ using namespace std; #include #include #include +#include "message.h" #include "inspircd.h" #include "inspircd_io.h" #include "inspstring.h" @@ -34,13 +35,15 @@ using namespace std; extern ServerConfig *Config; extern InspIRCd* ServerInstance; -extern int openSockfd[MAXSOCKS]; +extern int openSockfd[MAX_DESCRIPTORS]; extern time_t TIME; extern int MODCOUNT; extern std::vector modules; extern std::vector factory; +std::vector old_module_names, new_module_names, added_modules, removed_modules; + ServerConfig::ServerConfig() { this->ClearStack(); @@ -49,7 +52,7 @@ ServerConfig::ServerConfig() *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0'; *OperOnlyStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = '\0'; log_file = NULL; - nofork = HideBans = HideSplits = unlimitcore = false; + OperSpyWhois = nofork = HideBans = HideSplits = false; AllowHalfop = true; dns_timeout = DieDelay = 5; MaxTargets = 20; @@ -59,6 +62,7 @@ ServerConfig::ServerConfig() MaxWhoResults = 100; debugging = 0; LogLevel = DEFAULT; + maxbans.clear(); } void ServerConfig::ClearStack() @@ -100,7 +104,8 @@ bool ServerConfig::DelIOHook(int port) bool ServerConfig::CheckOnce(char* tag, bool bail, userrec* user) { - int count = ConfValueEnum(tag,&Config->config_f); + int count = ConfValueEnum(Config->config_data, tag); + if (count > 1) { if (bail) @@ -148,136 +153,71 @@ bool ServerConfig::CheckOnce(char* tag, bool bail, userrec* user) return true; } -void ServerConfig::Read(bool bail, userrec* user) +bool NoValidation(const char* tag, const char* value, void* data) { - /** Yes yes, i know, this function is craq worthy of - * sirv. Its a mess, and some day i will tidy it. - * ...But that day will not be today. or probaby not - * tomorrow even, because it works fine. - */ - char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF],MW[MAXBUF],MCON[MAXBUF],MT[MAXBUF]; - char AH[MAXBUF],AP[MAXBUF],AF[MAXBUF],DNT[MAXBUF],pfreq[MAXBUF],thold[MAXBUF],sqmax[MAXBUF],rqmax[MAXBUF],SLIMT[MAXBUF]; - char localmax[MAXBUF],globalmax[MAXBUF],HS[MAXBUF],HB[MAXBUF],ServName[MAXBUF]; - ConnectClass c; - std::stringstream errstr; - include_stack.clear(); - - if (!LoadConf(CONFIG_FILE,&Config->config_f,&errstr)) - { - errstr.seekg(0); - log(DEFAULT,"There were errors in your configuration:\n%s",errstr.str().c_str()); - if (bail) - { - printf("There were errors in your configuration:\n%s",errstr.str().c_str()); - Exit(0); - } - else - { - char dataline[1024]; - if (user) - { - WriteServ(user->fd,"NOTICE %s :There were errors in the configuration file:",user->nick); - while (!errstr.eof()) - { - errstr.getline(dataline,1024); - WriteServ(user->fd,"NOTICE %s :%s",user->nick,dataline); - } - } - else - { - WriteOpers("There were errors in the configuration file:"); - while (!errstr.eof()) - { - errstr.getline(dataline,1024); - WriteOpers(dataline); - } - } - return; - } - } - - /* Check we dont have more than one of singular tags - */ - if (!CheckOnce("server",bail,user) || !CheckOnce("admin",bail,user) || !CheckOnce("files",bail,user) - || !CheckOnce("power",bail,user) || !CheckOnce("options",bail,user) || !CheckOnce("pid",bail,user)) - { - return; - } + log(DEBUG,"No validation for <%s:%s>",tag,value); + return true; +} - ConfValue("server","name",0,Config->ServerName,&Config->config_f); - ConfValue("server","description",0,Config->ServerDesc,&Config->config_f); - ConfValue("server","network",0,Config->Network,&Config->config_f); - ConfValue("admin","name",0,Config->AdminName,&Config->config_f); - ConfValue("admin","email",0,Config->AdminEmail,&Config->config_f); - ConfValue("admin","nick",0,Config->AdminNick,&Config->config_f); - ConfValue("files","motd",0,Config->motd,&Config->config_f); - ConfValue("files","rules",0,Config->rules,&Config->config_f); - ConfValue("power","diepass",0,Config->diepass,&Config->config_f); - ConfValue("power","pause",0,pauseval,&Config->config_f); - ConfValue("power","restartpass",0,Config->restartpass,&Config->config_f); - ConfValue("options","prefixquit",0,Config->PrefixQuit,&Config->config_f); - ConfValue("die","value",0,Config->DieValue,&Config->config_f); - ConfValue("options","loglevel",0,dbg,&Config->config_f); - ConfValue("options","netbuffersize",0,NB,&Config->config_f); - ConfValue("options","maxwho",0,MW,&Config->config_f); - ConfValue("options","allowhalfop",0,AH,&Config->config_f); - ConfValue("options","allowprotect",0,AP,&Config->config_f); - ConfValue("options","allowfounder",0,AF,&Config->config_f); - ConfValue("dns","server",0,Config->DNSServer,&Config->config_f); - ConfValue("dns","timeout",0,DNT,&Config->config_f); - ConfValue("options","moduledir",0,Config->ModPath,&Config->config_f); - ConfValue("disabled","commands",0,Config->DisabledCommands,&Config->config_f); - ConfValue("options","somaxconn",0,MCON,&Config->config_f); - ConfValue("options","softlimit",0,SLIMT,&Config->config_f); - ConfValue("options","operonlystats",0,Config->OperOnlyStats,&Config->config_f); - ConfValue("options","customversion",0,Config->CustomVersion,&Config->config_f); - ConfValue("options","maxtargets",0,MT,&Config->config_f); - ConfValue("options","hidesplits",0,HS,&Config->config_f); - ConfValue("options","hidebans",0,HB,&Config->config_f); - ConfValue("options","hidewhois",0,Config->HideWhoisServer,&Config->config_f); - ConfValue("options","tempdir",0,Config->TempDir,&Config->config_f); - - strlower(Config->ServerName); - - if (!*Config->TempDir) - strlcpy(Config->TempDir,"/tmp",1024); - Config->HideSplits = ((*HS == 'y') || (*HS == 'Y') || (*HS == '1') || (*HS == 't') || (*HS == 'T')); - Config->HideBans = ((*HB == 'y') || (*HB == 'Y') || (*HB == '1') || (*HB == 't') || (*HB == 'T')); - Config->SoftLimit = atoi(SLIMT); - if (*MT) - Config->MaxTargets = atoi(MT); - if ((Config->MaxTargets < 0) || (Config->MaxTargets > 31)) +bool ValidateTempDir(const char* tag, const char* value, void* data) +{ + char* x = (char*)data; + if (!*x) + strlcpy(x,"/tmp",1024); + return true; +} + +bool ValidateMaxTargets(const char* tag, const char* value, void* data) +{ + int* x = (int*)data; + if ((*x < 0) || (*x > 31)) { log(DEFAULT,"WARNING: value is greater than 31 or less than 0, set to 20."); - Config->MaxTargets = 20; + *x = 20; } - if ((Config->SoftLimit < 1) || (Config->SoftLimit > MAXCLIENTS)) - { - log(DEFAULT,"WARNING: value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS); - Config->SoftLimit = MAXCLIENTS; - } - Config->MaxConn = atoi(MCON); - if (Config->MaxConn > SOMAXCONN) - log(DEFAULT,"WARNING: value may be higher than the system-defined SOMAXCONN value!"); - Config->NetBufferSize = atoi(NB); - Config->MaxWhoResults = atoi(MW); - Config->dns_timeout = atoi(DNT); - if (!strchr(Config->ServerName,'.')) + return true; +} + +bool ValidateSoftLimit(const char* tag, const char* value, void* data) +{ + int* x = (int*)data; + if ((*x < 1) || (*x > MAXCLIENTS)) { - log(DEFAULT,"WARNING: '%s' is not a fully-qualified domain name. Changed to '%s%c'",Config->ServerName,Config->ServerName,'.'); - charlcat(Config->ServerName,'.',MAXBUF); + log(DEFAULT,"WARNING: value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS); + *x = MAXCLIENTS; } - if (!Config->dns_timeout) - Config->dns_timeout = 5; - if (!Config->MaxConn) - Config->MaxConn = SOMAXCONN; - if (!*Config->DNSServer) + return true; +} + +bool ValidateMaxConn(const char* tag, const char* value, void* data) +{ + int* x = (int*)data; + if (*x > SOMAXCONN) + log(DEFAULT,"WARNING: value may be higher than the system-defined SOMAXCONN value!"); + if (!*x) + *x = SOMAXCONN; + return true; +} + +bool ValidateDnsTimeout(const char* tag, const char* value, void* data) +{ + int* x = (int*)data; + if (!*x) + *x = 5; + return true; +} + +bool ValidateDnsServer(const char* tag, const char* value, void* data) +{ + char* x = (char*)data; + if (!*x) { // attempt to look up their nameserver from /etc/resolv.conf log(DEFAULT,"WARNING: not defined, attempting to find working server in /etc/resolv.conf..."); ifstream resolv("/etc/resolv.conf"); std::string nameserver; bool found_server = false; + if (resolv.is_open()) { while (resolv >> nameserver) @@ -285,960 +225,1321 @@ void ServerConfig::Read(bool bail, userrec* user) if ((nameserver == "nameserver") && (!found_server)) { resolv >> nameserver; - strlcpy(Config->DNSServer,nameserver.c_str(),MAXBUF); + strlcpy(x,nameserver.c_str(),MAXBUF); found_server = true; log(DEFAULT," set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str()); } } + if (!found_server) { log(DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!"); - strlcpy(Config->DNSServer,"127.0.0.1",MAXBUF); + strlcpy(x,"127.0.0.1",MAXBUF); } } else { log(DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!"); - strlcpy(Config->DNSServer,"127.0.0.1",MAXBUF); - } - } - if (!*Config->ModPath) - strlcpy(Config->ModPath,MOD_PATH,MAXBUF); - Config->AllowHalfop = ((!strcasecmp(AH,"true")) || (!strcasecmp(AH,"1")) || (!strcasecmp(AH,"yes"))); - if ((!Config->NetBufferSize) || (Config->NetBufferSize > 65535) || (Config->NetBufferSize < 1024)) - { - log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240."); - Config->NetBufferSize = 10240; - } - if ((!Config->MaxWhoResults) || (Config->MaxWhoResults > 65535) || (Config->MaxWhoResults < 1)) - { - log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128."); - Config->MaxWhoResults = 128; - } - Config->LogLevel = DEFAULT; - if (!strcmp(dbg,"debug")) - { - Config->LogLevel = DEBUG; - Config->debugging = 1; - } - if (!strcmp(dbg,"verbose")) - Config->LogLevel = VERBOSE; - if (!strcmp(dbg,"default")) - Config->LogLevel = DEFAULT; - if (!strcmp(dbg,"sparse")) - Config->LogLevel = SPARSE; - if (!strcmp(dbg,"none")) - Config->LogLevel = NONE; - - readfile(Config->MOTD,Config->motd); - log(DEFAULT,"Reading message of the day..."); - readfile(Config->RULES,Config->rules); - log(DEFAULT,"Reading connect classes..."); - Classes.clear(); - for (int i = 0; i < ConfValueEnum("connect",&Config->config_f); i++) - { - *Value = 0; - ConfValue("connect","allow",i,Value,&Config->config_f); - ConfValue("connect","timeout",i,timeout,&Config->config_f); - ConfValue("connect","flood",i,flood,&Config->config_f); - ConfValue("connect","pingfreq",i,pfreq,&Config->config_f); - ConfValue("connect","threshold",i,thold,&Config->config_f); - ConfValue("connect","sendq",i,sqmax,&Config->config_f); - ConfValue("connect","recvq",i,rqmax,&Config->config_f); - ConfValue("connect","localmax",i,localmax,&Config->config_f); - ConfValue("connect","globalmax",i,globalmax,&Config->config_f); - if (*Value) - { - c.host = Value; - c.type = CC_ALLOW; - strlcpy(Value,"",MAXBUF); - ConfValue("connect","password",i,Value,&Config->config_f); - c.pass = Value; - c.registration_timeout = 90; // default is 2 minutes - c.pingtime = 120; - c.flood = atoi(flood); - c.threshold = 5; - c.sendqmax = 262144; // 256k - c.recvqmax = 4096; // 4k - c.maxlocal = 3; - c.maxglobal = 3; - if (atoi(localmax)>0) - { - c.maxlocal = atoi(localmax); - } - if (atoi(globalmax)>0) - { - c.maxglobal = atoi(globalmax); - } - if (atoi(thold)>0) - { - c.threshold = atoi(thold); - } - else - { - c.threshold = 1; - c.flood = 999; - log(DEFAULT,"Warning: Connect allow line '%s' has no flood/threshold settings. Setting this tag to 999 lines in 1 second.",c.host.c_str()); - } - if (atoi(sqmax)>0) - { - c.sendqmax = atoi(sqmax); - } - if (atoi(rqmax)>0) - { - c.recvqmax = atoi(rqmax); - } - if (atoi(timeout)>0) - { - c.registration_timeout = atoi(timeout); - } - if (atoi(pfreq)>0) - { - c.pingtime = atoi(pfreq); - } - Classes.push_back(c); + strlcpy(x,"127.0.0.1",MAXBUF); } - else - { - ConfValue("connect","deny",i,Value,&Config->config_f); - c.host = Value; - c.type = CC_DENY; - Classes.push_back(c); - log(DEBUG,"Read connect class type DENY, host=%s",c.host.c_str()); - } - - } - Config->ulines.clear(); - for (int i = 0; i < ConfValueEnum("uline",&Config->config_f); i++) - { - ConfValue("uline","server",i,ServName,&Config->config_f); - { - log(DEBUG,"Read ULINE '%s'",ServName); - Config->ulines.push_back(ServName); - } - } - ReadClassesAndTypes(); - log(DEFAULT,"Reading K lines,Q lines and Z lines from config..."); - read_xline_defaults(); - log(DEFAULT,"Applying K lines, Q lines and Z lines..."); - apply_lines(APPLY_ALL); - - ConfValue("pid","file",0,Config->PID,&Config->config_f); - // write once here, to try it out and make sure its ok - WritePID(Config->PID); - - log(DEFAULT,"Done reading configuration file, InspIRCd is now starting."); - if (!bail) - { - log(DEFAULT,"Adding and removing modules due to rehash..."); - - std::vector old_module_names, new_module_names, added_modules, removed_modules; - - // store the old module names - for (std::vector::iterator t = module_names.begin(); t != module_names.end(); t++) - { - old_module_names.push_back(*t); - } - - // get the new module names - for (int count2 = 0; count2 < ConfValueEnum("module",&Config->config_f); count2++) - { - ConfValue("module","name",count2,Value,&Config->config_f); - new_module_names.push_back(Value); - } - - // now create a list of new modules that are due to be loaded - // and a seperate list of modules which are due to be unloaded - for (std::vector::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++) - { - bool added = true; - for (std::vector::iterator old = old_module_names.begin(); old != old_module_names.end(); old++) - { - if (*old == *_new) - added = false; - } - if (added) - added_modules.push_back(*_new); - } - for (std::vector::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++) - { - bool removed = true; - for (std::vector::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++) - { - if (*newm == *oldm) - removed = false; - } - if (removed) - removed_modules.push_back(*oldm); - } - // now we have added_modules, a vector of modules to be loaded, and removed_modules, a vector of modules - // to be removed. - int rem = 0, add = 0; - if (!removed_modules.empty()) - for (std::vector::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++) - { - if (ServerInstance->UnloadModule(removing->c_str())) - { - WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str()); - if (user) - WriteServ(user->fd,"973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str()); - rem++; - } - else - { - if (user) - WriteServ(user->fd,"972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->ModuleError()); - } - } - if (!added_modules.empty()) - for (std::vector::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++) - { - if (ServerInstance->LoadModule(adding->c_str())) - { - WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str()); - if (user) - WriteServ(user->fd,"975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str()); - add++; - } - else - { - if (user) - WriteServ(user->fd,"974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->ModuleError()); - } - } - log(DEFAULT,"Successfully unloaded %lu of %lu modules and loaded %lu of %lu modules.",(unsigned long)rem,(unsigned long)removed_modules.size(), - (unsigned long)add,(unsigned long)added_modules.size()); } + return true; } - -void Exit (int status) +bool ValidateModPath(const char* tag, const char* value, void* data) { - if (Config->log_file) - fclose(Config->log_file); - send_error("Server shutdown."); - exit (status); + char* x = (char*)data; + if (!*x) + strlcpy(x,MOD_PATH,MAXBUF); + return true; } -void Killed(int status) + +bool ValidateServerName(const char* tag, const char* value, void* data) { - if (Config->log_file) - fclose(Config->log_file); - send_error("Server terminated."); - exit(status); + char* x = (char*)data; + if (!strchr(x,'.')) + { + log(DEFAULT,"WARNING: '%s' is not a fully-qualified domain name. Changed to '%s%c'",x,x,'.'); + charlcat(x,'.',MAXBUF); + } + //strlower(x); + return true; } -char* CleanFilename(char* name) +bool ValidateNetworkName(const char* tag, const char* value, void* data) { - char* p = name + strlen(name); - while ((p != name) && (*p != '/')) p--; - return (p != name ? ++p : p); -} + char* x = (char*)data; + log(DEFAULT," '%s'",x); -void Rehash(int status) -{ - WriteOpers("Rehashing config file %s due to SIGHUP",CleanFilename(CONFIG_FILE)); - fclose(Config->log_file); - OpenLog(NULL,0); - Config->Read(false,NULL); - FOREACH_MOD(I_OnRehash,OnRehash("")); + return true; } +bool ValidateServerDesc(const char* tag, const char* value, void* data) +{ + char* x = (char*)data; + log(DEFAULT," '%s'",x); -void Start (void) -{ - printf("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__); - printf("(C) ChatSpike Development team.\033[0m\n\n"); - printf("Developers:\033[1;32m Brain, FrostyCoolSlug\033[0m\n"); - printf("Documentation:\033[1;32m FrostyCoolSlug, w00t\033[0m\n"); - printf("Testers:\033[1;32m typobox43, piggles, Lord_Zathras, CC\033[0m\n"); - printf("Name concept:\033[1;32m Lord_Zathras\033[0m\n\n"); + return true; } -void WritePID(std::string filename) +bool ValidateNetBufferSize(const char* tag, const char* value, void* data) { - ofstream outfile(filename.c_str()); - if (outfile.is_open()) - { - outfile << getpid(); - outfile.close(); - } - else + if ((!Config->NetBufferSize) || (Config->NetBufferSize > 65535) || (Config->NetBufferSize < 1024)) { - printf("Failed to write PID-file '%s', exiting.\n",filename.c_str()); - log(DEFAULT,"Failed to write PID-file '%s', exiting.",filename.c_str()); - Exit(0); + log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240."); + Config->NetBufferSize = 10240; } + return true; } -void SetSignals() +bool ValidateMaxWho(const char* tag, const char* value, void* data) { - signal (SIGALRM, SIG_IGN); - signal (SIGHUP, Rehash); - signal (SIGPIPE, SIG_IGN); - signal (SIGTERM, Exit); - signal (SIGSEGV, Error); + if ((!Config->MaxWhoResults) || (Config->MaxWhoResults > 65535) || (Config->MaxWhoResults < 1)) + { + log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128."); + Config->MaxWhoResults = 128; + } + return true; } - -int DaemonSeed (void) +bool ValidateLogLevel(const char* tag, const char* value, void* data) { - int childpid; - if ((childpid = fork ()) < 0) - return (ERROR); - else if (childpid > 0) + const char* dbg = (const char*)data; + Config->LogLevel = DEFAULT; + if (!strcmp(dbg,"debug")) { - /* We wait a few seconds here, so that the shell prompt doesnt come back over the output */ - sleep(6); - exit (0); + Config->LogLevel = DEBUG; + Config->debugging = 1; } - setsid (); - umask (007); - printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid()); + else if (!strcmp(dbg,"verbose")) + Config->LogLevel = VERBOSE; + else if (!strcmp(dbg,"default")) + Config->LogLevel = DEFAULT; + else if (!strcmp(dbg,"sparse")) + Config->LogLevel = SPARSE; + else if (!strcmp(dbg,"none")) + Config->LogLevel = NONE; + return true; +} - if (Config->unlimitcore) - { - rlimit rl; - if (getrlimit(RLIMIT_CORE, &rl) == -1) - { - log(DEFAULT,"Failed to getrlimit()!"); - return(FALSE); - } - else - { - rl.rlim_cur = rl.rlim_max; - if (setrlimit(RLIMIT_CORE, &rl) == -1) - log(DEFAULT,"setrlimit() failed, cannot increase coredump size."); - } - } - - return (TRUE); +bool ValidateMotd(const char* tag, const char* value, void* data) +{ + readfile(Config->MOTD,Config->motd); + return true; } +bool ValidateRules(const char* tag, const char* value, void* data) +{ + readfile(Config->RULES,Config->rules); + return true; +} -/* Make Sure Modules Are Avaliable! - * (BugFix By Craig.. See? I do work! :p) - * Modified by brain, requires const char* - * to work with other API functions +/* Callback called before processing the first tag */ - -bool FileExists (const char* file) +bool InitConnect(const char* tag) { - FILE *input; - if ((input = fopen (file, "r")) == NULL) - { - return(false); - } - else - { - fclose (input); - return(true); - } + log(DEFAULT,"Reading connect classes..."); + Config->Classes.clear(); + return true; } -/* ConfProcess does the following things to a config line in the following order: - * - * Processes the line for syntax errors as shown below - * (1) Line void of quotes or equals (a malformed, illegal tag format) - * (2) Odd number of quotes on the line indicating a missing quote - * (3) number of equals signs not equal to number of quotes / 2 (missing an equals sign) - * (4) Spaces between the opening bracket (<) and the keyword - * (5) Spaces between a keyword and an equals sign - * (6) Spaces between an equals sign and a quote - * Removes trailing spaces - * Removes leading spaces - * Converts tabs to spaces - * Turns multiple spaces that are outside of quotes into single spaces +/* Callback called to process a single tag */ - -std::string ServerConfig::ConfProcess(char* buffer, long linenumber, std::stringstream* errorstream, bool &error, std::string filename) +bool DoConnect(const char* tag, char** entries, void** values, int* types) { - long number_of_quotes = 0; - long number_of_equals = 0; - bool has_open_bracket = false; - bool in_quotes = false; - error = false; - if (!buffer) - { - return ""; - } - // firstly clean up the line by stripping spaces from the start and end and converting tabs to spaces - for (char* d = buffer; *d; d++) - if (*d == 9) - *d = ' '; - while (*buffer == ' ') buffer++; - while ((buffer[strlen(buffer)-1] == ' ') && (*buffer)) buffer[strlen(buffer)-1] = '\0'; - - // empty lines are syntactically valid, as are comments - if (!(*buffer) || buffer[0] == '#') - return ""; - - for (unsigned int c = 0; c < strlen(buffer); c++) + ConnectClass c; + char* allow = (char*)values[0]; /* Yeah, there are a lot of values. Live with it. */ + char* deny = (char*)values[1]; + char* password = (char*)values[2]; + int* timeout = (int*)values[3]; + int* pingfreq = (int*)values[4]; + int* flood = (int*)values[5]; + int* threshold = (int*)values[6]; + int* sendq = (int*)values[7]; + int* recvq = (int*)values[8]; + int* localmax = (int*)values[9]; + int* globalmax = (int*)values[10]; + + if (*allow) { - // convert all spaces that are OUTSIDE quotes into hardspace (0xA0) as this will make them easier to - // search and replace later :) - if ((!in_quotes) && (buffer[c] == ' ')) - buffer[c] = '\xA0'; - if ((buffer[c] == '<') && (!in_quotes)) - { - has_open_bracket = true; - if (strlen(buffer) == 1) - { - *errorstream << "Tag without identifier at " << filename << ":" << linenumber << endl; - error = true; - return ""; - } - else if ((tolower(buffer[c+1]) < 'a') || (tolower(buffer[c+1]) > 'z')) - { - *errorstream << "Invalid characters in identifier at " << filename << ":" << linenumber << endl; - error = true; - return ""; - } - } - if (buffer[c] == '"') - { - number_of_quotes++; - in_quotes = (!in_quotes); - } - if ((buffer[c] == '=') && (!in_quotes)) + c.host = allow; + c.type = CC_ALLOW; + c.pass = password; + c.registration_timeout = *timeout; + c.pingtime = *pingfreq; + c.flood = *flood; + c.threshold = *threshold; + c.sendqmax = *sendq; + c.recvqmax = *recvq; + c.maxlocal = *localmax; + c.maxglobal = *globalmax; + + + if (c.maxlocal == 0) + c.maxlocal = 3; + if (c.maxglobal == 0) + c.maxglobal = 3; + if (c.threshold == 0) { - number_of_equals++; - if (strlen(buffer) == c) - { - *errorstream << "Variable without a value at " << filename << ":" << linenumber << endl; - error = true; - return ""; - } - else if (buffer[c+1] != '"') - { - *errorstream << "Variable name not followed immediately by its value at " << filename << ":" << linenumber << endl; - error = true; - return ""; - } - else if (!c) - { - *errorstream << "Value without a variable (line starts with '=') at " << filename << ":" << linenumber << endl; - error = true; - return ""; - } - else if (buffer[c-1] == '\xA0') - { - *errorstream << "Variable name not followed immediately by its value at " << filename << ":" << linenumber << endl; - error = true; - return ""; - } + c.threshold = 1; + c.flood = 999; + log(DEFAULT,"Warning: Connect allow line '%s' has no flood/threshold settings. Setting this tag to 999 lines in 1 second.",c.host.c_str()); } + if (c.sendqmax == 0) + c.sendqmax = 262114; + if (c.recvqmax == 0) + c.recvqmax = 4096; + if (c.registration_timeout == 0) + c.registration_timeout = 90; + if (c.pingtime == 0) + c.pingtime = 120; + Config->Classes.push_back(c); } - // no quotes, and no equals. something freaky. - if ((!number_of_quotes) || (!number_of_equals) && (strlen(buffer)>2) && (buffer[0]=='<')) - { - *errorstream << "Malformed tag at " << filename << ":" << linenumber << endl; - error = true; - return ""; - } - // odd number of quotes. thats just wrong. - if ((number_of_quotes % 2) != 0) - { - *errorstream << "Missing \" at " << filename << ":" << linenumber << endl; - error = true; - return ""; - } - if (number_of_equals < (number_of_quotes/2)) - { - *errorstream << "Missing '=' at " << filename << ":" << linenumber << endl; - } - if (number_of_equals > (number_of_quotes/2)) + else { - *errorstream << "Too many '=' at " << filename << ":" << linenumber << endl; + c.host = deny; + c.type = CC_DENY; + Config->Classes.push_back(c); + log(DEBUG,"Read connect class type DENY, host=%s",deny); } - std::string parsedata = buffer; - // turn multispace into single space - while (parsedata.find("\xA0\xA0") != std::string::npos) - { - parsedata.erase(parsedata.find("\xA0\xA0"),1); - } + return true; +} - // turn our hardspace back into softspace - for (unsigned int d = 0; d < parsedata.length(); d++) - { - if (parsedata[d] == '\xA0') - parsedata[d] = ' '; - } +/* Callback called when there are no more tags + */ +bool DoneConnect(const char* tag) +{ + log(DEBUG,"DoneConnect called for tag: %s",tag); + return true; +} - // and we're done, the line is fine! - return parsedata; +/* Callback called before processing the first tag + */ +bool InitULine(const char* tag) +{ + Config->ulines.clear(); + return true; } -int ServerConfig::fgets_safe(char* buffer, size_t maxsize, FILE* &file) +/* Callback called to process a single tag + */ +bool DoULine(const char* tag, char** entries, void** values, int* types) { - char c_read = '\0'; - unsigned int bufptr = 0; - while ((!feof(file)) && (c_read != '\n') && (c_read != '\r') && (bufptr < maxsize)) - { - c_read = fgetc(file); - if ((c_read != '\n') && (c_read != '\r')) - buffer[bufptr++] = c_read; - } - buffer[bufptr] = '\0'; - return bufptr; + char* server = (char*)values[0]; + log(DEBUG,"Read ULINE '%s'",server); + Config->ulines.push_back(server); + return true; +} + +/* Callback called when there are no more tags + */ +bool DoneULine(const char* tag) +{ + return true; } -bool ServerConfig::LoadConf(const char* filename, std::stringstream *target, std::stringstream* errorstream) +/* Callback called before processing the first tag + */ +bool InitModule(const char* tag) { - target->str(""); - errorstream->str(""); - long linenumber = 1; - // first, check that the file exists before we try to do anything with it - if (!FileExists(filename)) + old_module_names.clear(); + new_module_names.clear(); + added_modules.clear(); + removed_modules.clear(); + for (std::vector::iterator t = Config->module_names.begin(); t != Config->module_names.end(); t++) { - *errorstream << "File " << filename << " not found." << endl; - return false; + old_module_names.push_back(*t); } - // Fix the chmod of the file to restrict it to the current user and group - chmod(filename,0600); - for (unsigned int t = 0; t < include_stack.size(); t++) + return true; +} + +/* Callback called to process a single tag + */ +bool DoModule(const char* tag, char** entries, void** values, int* types) +{ + char* modname = (char*)values[0]; + new_module_names.push_back(modname); + return true; +} + +/* Callback called when there are no more tags + */ +bool DoneModule(const char* tag) +{ + // now create a list of new modules that are due to be loaded + // and a seperate list of modules which are due to be unloaded + for (std::vector::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++) { - if (std::string(filename) == include_stack[t]) + bool added = true; + + for (std::vector::iterator old = old_module_names.begin(); old != old_module_names.end(); old++) { - *errorstream << "File " << filename << " is included recursively (looped inclusion)." << endl; - return false; + if (*old == *_new) + added = false; } + + if (added) + added_modules.push_back(*_new); } - include_stack.push_back(filename); - // now open it - FILE* conf = fopen(filename,"r"); - char buffer[MAXBUF]; - if (conf) + + for (std::vector::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++) { - while (!feof(conf)) + bool removed = true; + for (std::vector::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++) { - if (fgets_safe(buffer, MAXBUF, conf)) - { - if ((!feof(conf)) && (buffer) && (strlen(buffer))) - { - if ((buffer[0] != '#') && (buffer[0] != '\r') && (buffer[0] != '\n')) - { - if (!strncmp(buffer,"ConfProcess(buffer,linenumber++,errorstream,error,filename); - if (error) - { - return false; - } - *target << data; - } - } - else linenumber++; - } - } + if (*newm == *oldm) + removed = false; } - fclose(conf); + + if (removed) + removed_modules.push_back(*oldm); } - target->seekg(0); return true; } -/* Counts the number of tags of a certain type within the config file, e.g. to enumerate opers */ +/* Callback called before processing the first tag + */ +bool InitMaxBans(const char* tag) +{ + Config->maxbans.clear(); + return true; +} + +/* Callback called to process a single tag + */ +bool DoMaxBans(const char* tag, char** entries, void** values, int* types) +{ + char* channel = (char*)values[0]; + int* limit = (int*)values[1]; + Config->maxbans[channel] = *limit; + return true; +} + +/* Callback called when there are no more tags. + */ +bool DoneMaxBans(const char* tag) +{ + return true; +} -int ServerConfig::EnumConf(std::stringstream *config, const char* tag) +void ServerConfig::Read(bool bail, userrec* user) { - int ptr = 0; - char buffer[MAXBUF], c_tag[MAXBUF], c, lastc; - int in_token, in_quotes, tptr, idx = 0; - - std::string x = config->str(); - const char* buf = x.c_str(); - long bptr = 0; - long len = config->str().length(); + char debug[MAXBUF]; /* Temporary buffer for debugging value */ + char* data[12]; /* Temporary buffers for reading multiple occurance tags into */ + void* ptr[12]; /* Temporary pointers for passing to callbacks */ + int r_i[12]; /* Temporary array for casting */ + int rem = 0, add = 0; /* Number of modules added, number of modules removed */ + std::ostringstream errstr; /* String stream containing the error output */ + + /* These tags MUST occur and must ONLY occur once in the config file */ + static char* Once[] = { "server", "admin", "files", "power", "options", "pid", NULL }; + + /* These tags can occur ONCE or not at all */ + static InitialConfig Values[] = { + {"options", "softlimit", &this->SoftLimit, DT_INTEGER, ValidateSoftLimit}, + {"options", "somaxconn", &this->MaxConn, DT_INTEGER, ValidateMaxConn}, + {"server", "name", &this->ServerName, DT_CHARPTR, ValidateServerName}, + {"server", "description", &this->ServerDesc, DT_CHARPTR, ValidateServerDesc}, + {"server", "network", &this->Network, DT_CHARPTR, ValidateNetworkName}, + {"admin", "name", &this->AdminName, DT_CHARPTR, NoValidation}, + {"admin", "email", &this->AdminEmail, DT_CHARPTR, NoValidation}, + {"admin", "nick", &this->AdminNick, DT_CHARPTR, NoValidation}, + {"files", "motd", &this->motd, DT_CHARPTR, ValidateMotd}, + {"files", "rules", &this->rules, DT_CHARPTR, ValidateRules}, + {"power", "diepass", &this->diepass, DT_CHARPTR, NoValidation}, + {"power", "pauseval", &this->DieDelay, DT_INTEGER, NoValidation}, + {"power", "restartpass", &this->restartpass, DT_CHARPTR, NoValidation}, + {"options", "prefixquit", &this->PrefixQuit, DT_CHARPTR, NoValidation}, + {"die", "value", &this->DieValue, DT_CHARPTR, NoValidation}, + {"options", "loglevel", &debug, DT_CHARPTR, ValidateLogLevel}, + {"options", "netbuffersize", &this->NetBufferSize, DT_INTEGER, ValidateNetBufferSize}, + {"options", "maxwho", &this->MaxWhoResults, DT_INTEGER, ValidateMaxWho}, + {"options", "allowhalfop", &this->AllowHalfop, DT_BOOLEAN, NoValidation}, + {"dns", "server", &this->DNSServer, DT_CHARPTR, ValidateDnsServer}, + {"dns", "timeout", &this->dns_timeout, DT_INTEGER, ValidateDnsTimeout}, + {"options", "moduledir", &this->ModPath, DT_CHARPTR, ValidateModPath}, + {"disabled", "commands", &this->DisabledCommands, DT_CHARPTR, NoValidation}, + {"options", "operonlystats", &this->OperOnlyStats, DT_CHARPTR, NoValidation}, + {"options", "customversion", &this->CustomVersion, DT_CHARPTR, NoValidation}, + {"options", "hidesplits", &this->HideSplits, DT_BOOLEAN, NoValidation}, + {"options", "hidebans", &this->HideBans, DT_BOOLEAN, NoValidation}, + {"options", "hidewhois", &this->HideWhoisServer, DT_CHARPTR, NoValidation}, + {"options", "operspywhois", &this->OperSpyWhois, DT_BOOLEAN, NoValidation}, + {"options", "tempdir", &this->TempDir, DT_CHARPTR, ValidateTempDir}, + {"pid", "file", &this->PID, DT_CHARPTR, NoValidation}, + {NULL} + }; + + /* These tags can occur multiple times, and therefore they have special code to read them + * which is different to the code for reading the singular tags listed above. + */ + static MultiConfig MultiValues[] = { + + {"connect", + {"allow", "deny", "password", "timeout", "pingfreq", "flood", + "threshold", "sendq", "recvq", "localmax", "globalmax", NULL}, + {DT_CHARPTR, DT_CHARPTR, DT_CHARPTR, DT_INTEGER, DT_INTEGER, DT_INTEGER, + DT_INTEGER, DT_INTEGER, DT_INTEGER, DT_INTEGER, DT_INTEGER}, + InitConnect, DoConnect, DoneConnect}, + + {"uline", + {"server", NULL}, + {DT_CHARPTR}, + InitULine,DoULine,DoneULine}, + + {"banlist", + {"chan", "limit", NULL}, + {DT_CHARPTR, DT_INTEGER}, + InitMaxBans, DoMaxBans, DoneMaxBans}, + + {"module", + {"name", NULL}, + {DT_CHARPTR}, + InitModule, DoModule, DoneModule}, + + {"badip", + {"reason", "ipmask", NULL}, + {DT_CHARPTR, DT_CHARPTR}, + InitXLine, DoZLine, DoneXLine}, + + {"badnick", + {"reason", "nick", NULL}, + {DT_CHARPTR, DT_CHARPTR}, + InitXLine, DoQLine, DoneXLine}, + + {"badhost", + {"reason", "host", NULL}, + {DT_CHARPTR, DT_CHARPTR}, + InitXLine, DoKLine, DoneXLine}, + + {"exception", + {"reason", "host", NULL}, + {DT_CHARPTR, DT_CHARPTR}, + InitXLine, DoELine, DoneXLine}, + + {"type", + {"name", "classes", NULL}, + {DT_CHARPTR, DT_CHARPTR}, + InitTypes, DoType, DoneClassesAndTypes}, + + {"class", + {"name", "commands", NULL}, + {DT_CHARPTR, DT_CHARPTR}, + InitClasses, DoClass, DoneClassesAndTypes}, + + {NULL} + }; + + include_stack.clear(); + + /* Load and parse the config file, if there are any errors then explode */ + + /* Make a copy here so if it fails then we can carry on running with an unaffected config */ + ConfigDataHash newconfig; - ptr = 0; - in_token = 0; - in_quotes = 0; - lastc = '\0'; - while (bptrLoadConf(newconfig, CONFIG_FILE, errstr)) { - lastc = c; - c = buf[bptr++]; - if ((c == '#') && (lastc == '\n')) + /* If we succeeded, set the ircd config to the new one */ + Config->config_data = newconfig; + +/* int c = 1; + std::string last; + + for(ConfigDataHash::const_iterator i = this->config_data.begin(); i != this->config_data.end(); i++) { - while ((c != '\n') && (bptrfirst != last) ? 1 : c+1; + last = i->first; + + std::cout << "[" << i->first << " " << c << "/" << this->config_data.count(i->first) << "]" << std::endl; + + for(KeyValList::const_iterator j = i->second.begin(); j != i->second.end(); j++) + std::cout << "\t" << j->first << " = " << j->second << std::endl; + + std::cout << "[/" << i->first << " " << c << "/" << this->config_data.count(i->first) << "]" << std::endl; } - if ((c == '<') && (!in_quotes)) + */ } + else + { + log(DEFAULT, "There were errors in your configuration:\n%s", errstr.str().c_str()); + + if (bail) { - tptr = 0; - in_token = 1; - do { - c = buf[bptr++]; - if (c != ' ') + /* Unneeded because of the log() aboive? */ + printf("There were errors in your configuration:\n%s",errstr.str().c_str()); + Exit(0); + } + else + { + std::string errors = errstr.str(); + std::string::size_type start; + unsigned int prefixlen; + + start = 0; + /* ":Config->ServerName NOTICE user->nick :" */ + prefixlen = strlen(Config->ServerName) + strlen(user->nick) + 11; + + if (user) + { + WriteServ(user->fd,"NOTICE %s :There were errors in the configuration file:",user->nick); + + while(start < errors.length()) { - c_tag[tptr++] = c; - c_tag[tptr] = '\0'; + WriteServ(user->fd, "NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str()); + start += 510 - prefixlen; } - } while (c != ' '); + } + else + { + WriteOpers("There were errors in the configuration file:"); + + while(start < errors.length()) + { + WriteOpers(errors.substr(start, 360).c_str()); + start += 360; + } + } + + return; } - if (c == '"') + } + + /* Check we dont have more than one of singular tags, or any of them missing + */ + for (int Index = 0; Once[Index]; Index++) + if (!CheckOnce(Once[Index],bail,user)) + return; + + /* Read the values of all the tags which occur once or not at all, and call their callbacks. + */ + for (int Index = 0; Values[Index].tag; Index++) + { + int* val_i = (int*) Values[Index].val; + char* val_c = (char*) Values[Index].val; + + switch (Values[Index].datatype) { - in_quotes = (!in_quotes); + case DT_CHARPTR: + /* Assuming MAXBUF here, potentially unsafe */ + ConfValue(this->config_data, Values[Index].tag, Values[Index].value, 0, val_c, MAXBUF); + break; + + case DT_INTEGER: + ConfValueInteger(this->config_data, Values[Index].tag, Values[Index].value, 0, *val_i); + break; + + case DT_BOOLEAN: + *val_i = ConfValueBool(this->config_data, Values[Index].tag, Values[Index].value, 0); + break; + + case DT_NOTHING: + break; } - if ((c == '>') && (!in_quotes)) + + Values[Index].validation_function(Values[Index].tag, Values[Index].value, Values[Index].val); + } + + /* Claim memory for use when reading multiple tags + */ + for (int n = 0; n < 12; n++) + data[n] = new char[MAXBUF]; + + /* Read the multiple-tag items (class tags, connect tags, etc) + * and call the callbacks associated with them. We have three + * callbacks for these, a 'start', 'item' and 'end' callback. + */ + + /* XXX - Make this use ConfValueInteger and so on */ + for (int Index = 0; MultiValues[Index].tag; Index++) + { + MultiValues[Index].init_function(MultiValues[Index].tag); + + int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag); + + for (int tagnum = 0; tagnum < number_of_tags; tagnum++) { - in_token = 0; - if (!strcmp(c_tag,tag)) + for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++) { - /* correct tag, but wrong index */ - idx++; + ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum, data[valuenum], MAXBUF); + + switch (MultiValues[Index].datatype[valuenum]) + { + case DT_CHARPTR: + ptr[valuenum] = data[valuenum]; + break; + case DT_INTEGER: + r_i[valuenum] = atoi(data[valuenum]); + ptr[valuenum] = &r_i[valuenum]; + break; + case DT_BOOLEAN: + r_i[valuenum] = ((*data[valuenum] == tolower('y')) || (*data[valuenum] == tolower('t')) || (*data[valuenum] == '1')); + ptr[valuenum] = &r_i[valuenum]; + break; + default: + break; + } } - c_tag[0] = '\0'; - buffer[0] = '\0'; - ptr = 0; - tptr = 0; + MultiValues[Index].validation_function(MultiValues[Index].tag, (char**)MultiValues[Index].items, ptr, MultiValues[Index].datatype); } - if (c != '>') + + MultiValues[Index].finish_function(MultiValues[Index].tag); + } + + /* Free any memory we claimed + */ + for (int n = 0; n < 12; n++) + delete[] data[n]; + + // write once here, to try it out and make sure its ok + WritePID(Config->PID); + + log(DEFAULT,"Done reading configuration file, InspIRCd is now starting."); + + /* If we're rehashing, let's load any new modules, and unload old ones + */ + if (!bail) + { + ServerInstance->stats->BoundPortCount = BindPorts(false); + + if (!removed_modules.empty()) + for (std::vector::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++) + { + if (ServerInstance->UnloadModule(removing->c_str())) + { + WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str()); + + if (user) + WriteServ(user->fd,"973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str()); + + rem++; + } + else + { + if (user) + WriteServ(user->fd,"972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->ModuleError()); + } + } + + if (!added_modules.empty()) + for (std::vector::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++) { - if ((in_token) && (c != '\n') && (c != '\r')) + if (ServerInstance->LoadModule(adding->c_str())) { - buffer[ptr++] = c; - buffer[ptr] = '\0'; + WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str()); + + if (user) + WriteServ(user->fd,"975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str()); + + add++; + } + else + { + if (user) + WriteServ(user->fd,"974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->ModuleError()); } } + + log(DEFAULT,"Successfully unloaded %lu of %lu modules and loaded %lu of %lu modules.",(unsigned long)rem,(unsigned long)removed_modules.size(),(unsigned long)add,(unsigned long)added_modules.size()); } - return idx; } -/* Counts the number of values within a certain tag */ +void Exit(int status) +{ + if (Config->log_file) + fclose(Config->log_file); + send_error("Server shutdown."); + exit (status); +} -int ServerConfig::EnumValues(std::stringstream *config, const char* tag, int index) +void Killed(int status) { - int ptr = 0; - char buffer[MAXBUF], c_tag[MAXBUF], c, lastc; - int in_token, in_quotes, tptr, idx = 0; - - bool correct_tag = false; - int num_items = 0; + if (Config->log_file) + fclose(Config->log_file); + send_error("Server terminated."); + exit(status); +} + +char* CleanFilename(char* name) +{ + char* p = name + strlen(name); + while ((p != name) && (*p != '/')) p--; + return (p != name ? ++p : p); +} + + +void Rehash(int status) +{ + WriteOpers("Rehashing config file %s due to SIGHUP",CleanFilename(CONFIG_FILE)); + fclose(Config->log_file); + OpenLog(NULL,0); + Config->Read(false,NULL); + FOREACH_MOD(I_OnRehash,OnRehash("")); +} + + + +void Start() +{ + printf("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__); + printf("(C) ChatSpike Development team.\033[0m\n\n"); + printf("Developers:\t\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om\033[0m\n"); + printf("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n"); + printf("Name concept:\t\t\033[1;32mLord_Zathras\033[0m\n\n"); +} + +void WritePID(const std::string &filename) +{ + ofstream outfile(filename.c_str()); + if (outfile.is_open()) + { + outfile << getpid(); + outfile.close(); + } + else + { + printf("Failed to write PID-file '%s', exiting.\n",filename.c_str()); + log(DEFAULT,"Failed to write PID-file '%s', exiting.",filename.c_str()); + Exit(0); + } +} + +void SetSignals() +{ + signal (SIGALRM, SIG_IGN); + signal (SIGHUP, Rehash); + signal (SIGPIPE, SIG_IGN); + signal (SIGTERM, Exit); + signal (SIGSEGV, Error); +} + + +bool DaemonSeed() +{ + int childpid; + if ((childpid = fork ()) < 0) + return (ERROR); + else if (childpid > 0) + { + /* We wait a few seconds here, so that the shell prompt doesnt come back over the output */ + sleep(6); + exit (0); + } + setsid (); + umask (007); + printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid()); + + rlimit rl; + if (getrlimit(RLIMIT_CORE, &rl) == -1) + { + log(DEFAULT,"Failed to getrlimit()!"); + return false; + } + else + { + rl.rlim_cur = rl.rlim_max; + if (setrlimit(RLIMIT_CORE, &rl) == -1) + log(DEFAULT,"setrlimit() failed, cannot increase coredump size."); + } + + return true; +} + + +/* Make Sure Modules Are Avaliable! + * (BugFix By Craig.. See? I do work! :p) + * Modified by brain, requires const char* + * to work with other API functions + */ - const char* buf = config->str().c_str(); - long bptr = 0; - long len = strlen(buf); +/* XXX - Needed? */ +bool FileExists (const char* file) +{ + FILE *input; + if ((input = fopen (file, "r")) == NULL) + { + return(false); + } + else + { + fclose (input); + return(true); + } +} + +bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream) +{ + std::ifstream conf(filename); + std::string line; + char ch; + long linenumber; + bool in_tag; + bool in_quote; + bool in_comment; - ptr = 0; - in_token = 0; - in_quotes = 0; - lastc = '\0'; - while (bptr' not inside quotes. If we find two '<' and + * no '>' then die with an error. + */ + + if((ch == '#') && !in_quote) + in_comment = true; + + if(((ch == '\n') || (ch == '\r')) && in_quote) { - tptr = 0; - in_token = 1; - do { - c = buf[bptr++]; - if (c != ' ') - { - c_tag[tptr++] = c; - c_tag[tptr] = '\0'; - - if ((!strcmp(c_tag,tag)) && (idx == index)) - { - correct_tag = true; - } - } - } while (c != ' '); + errorstream << "Got a newline within a quoted section, this is probably a typo: " << filename << ":" << linenumber << std::endl; + return false; } - if (c == '"') + + switch(ch) { - in_quotes = (!in_quotes); + case '\n': + linenumber++; + case '\r': + in_comment = false; + case '\0': + continue; + case '\t': + ch = ' '; } - if ( (correct_tag) && (!in_quotes) && ( (c == ' ') || (c == '\n') || (c == '\r') ) ) + if(in_comment) + continue; + + line += ch; + + if(ch == '<') { - num_items++; + if(in_tag) + { + if(!in_quote) + { + errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl; + return false; + } + } + else + { + if(in_quote) + { + errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl; + return false; + } + else + { + // errorstream << "Opening new config tag on line " << linenumber << std::endl; + in_tag = true; + } + } } - if ((c == '>') && (!in_quotes)) + else if(ch == '"') { - in_token = 0; - if (correct_tag) - correct_tag = false; - if (!strcmp(c_tag,tag)) + if(in_tag) + { + if(in_quote) + { + // errorstream << "Closing quote in config tag on line " << linenumber << std::endl; + in_quote = false; + } + else + { + // errorstream << "Opening quote in config tag on line " << linenumber << std::endl; + in_quote = true; + } + } + else { - /* correct tag, but wrong index */ - idx++; + if(in_quote) + { + errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl; + } + else + { + errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl; + } } - c_tag[0] = '\0'; - buffer[0] = '\0'; - ptr = 0; - tptr = 0; } - if (c != '>') + else if(ch == '>') { - if ((in_token) && (c != '\n') && (c != '\r')) + if(!in_quote) { - buffer[ptr++] = c; - buffer[ptr] = '\0'; + if(in_tag) + { + // errorstream << "Closing config tag on line " << linenumber << std::endl; + in_tag = false; + + /* + * If this finds an then ParseLine can simply call + * LoadConf() and load the included config into the same ConfigDataHash + */ + + if(!this->ParseLine(target, line, linenumber, errorstream)) + return false; + + line.clear(); + } + else + { + errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl; + return false; + } } } } - return num_items+1; + + return true; } - - -int ServerConfig::ConfValueEnum(char* tag, std::stringstream* config) +bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream) { - return EnumConf(config,tag); + return this->LoadConf(target, filename.c_str(), errorstream); } - - -/* Retrieves a value from the config file. If there is more than one value of the specified - * key and section (e.g. for opers etc) then the index value specifies which to retreive, e.g. - * - * ConfValue("oper","name",2,result); - */ - -int ServerConfig::ReadConf(std::stringstream *config, const char* tag, const char* var, int index, char *result) +bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long linenumber, std::ostringstream &errorstream) { - int ptr = 0; - char buffer[65535], c_tag[MAXBUF], c, lastc; - int in_token, in_quotes, tptr, idx = 0; - char* key; - - std::string x = config->str(); - const char* buf = x.c_str(); - long bptr = 0; - long len = config->str().length(); + std::string tagname; + std::string current_key; + std::string current_value; + KeyValList results; + bool got_name; + bool got_key; + bool in_quote; + + got_name = got_key = in_quote = false; + + // std::cout << "ParseLine(data, '" << line << "', " << linenumber << ", stream)" << std::endl; - ptr = 0; - in_token = 0; - in_quotes = 0; - lastc = '\0'; - c_tag[0] = '\0'; - buffer[0] = '\0'; - while (bptr') && (!in_quotes)) + else { - in_token = 0; - if (idx == index) + /* We have the tag name */ + if(!got_key) { - if (!strcmp(c_tag,tag)) + /* We're still reading the key name */ + if(*c != '=') { - if ((buffer) && (c_tag) && (var)) + if(*c != ' ') { - key = strstr(buffer,var); - if (!key) - { - /* value not found in tag */ - *result = 0; - return 0; - } - else - { - key+=strlen(var); - while (*key !='"') - { - if (!*key) - { - /* missing quote */ - *result = 0; - return 0; - } - key++; - } - key++; - for (unsigned j = 0; j < strlen(key); j++) - { - if (key[j] == '"') - { - key[j] = '\0'; - } - } - strlcpy(result,key,MAXBUF); - return 1; - } + current_key += *c; } } + else + { + /* We got an '=', end of the key name. */ + got_key = true; + } } - if (!strcmp(c_tag,tag)) + else { - /* correct tag, but wrong index */ - idx++; + /* We have the key name, now we're looking for quotes and the value */ + if(*c == '"') + { + if(!in_quote) + { + /* We're not already in a quote. */ + in_quote = true; + } + else + { + /* Leaving quotes, we have the value */ + results.push_back(KeyVal(current_key, current_value)); + + // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl; + + in_quote = false; + got_key = false; + + if((tagname == "include") && (current_key == "file")) + { + if(!this->DoInclude(target, current_value, errorstream)) + return false; + } + + current_key.clear(); + current_value.clear(); + } + } + else + { + if(in_quote) + { + current_value += *c; + } + } } - c_tag[0] = '\0'; - buffer[0] = '\0'; - ptr = 0; - tptr = 0; } - if (c != '>') + } + + /* Finished parsing the tag, add it to the config hash */ + target.insert(std::pair (tagname, results)); + + return true; +} + +bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream) +{ + std::string confpath; + std::string newfile; + std::string::size_type pos; + + confpath = CONFIG_FILE; + newfile = file; + + for (std::string::iterator c = newfile.begin(); c != newfile.end(); c++) + { + if (*c == '\\') + { + *c = '/'; + } + } + + if (file[0] != '/') + { + if((pos = confpath.find("/inspircd.conf")) != std::string::npos) + { + /* Leaves us with just the path */ + newfile = confpath.substr(0, pos) + std::string("/") + newfile; + } + else + { + errorstream << "Couldn't get config path from: " << confpath << std::endl; + return false; + } + } + + return LoadConf(target, newfile, errorstream); +} + +bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length) +{ + std::string value; + bool r = ConfValue(target, std::string(tag), std::string(var), index, value); + strlcpy(result, value.c_str(), length); + return r; +} + +bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result) +{ + ConfigDataHash::size_type pos = index; + if((pos >= 0) && (pos < target.count(tag))) + { + ConfigDataHash::const_iterator iter = target.find(tag); + + for(int i = 0; i < index; i++) + iter++; + + for(KeyValList::const_iterator j = iter->second.begin(); j != iter->second.end(); j++) { - if ((in_token) && (c != '\n') && (c != '\r')) + if(j->first == var) { - buffer[ptr++] = c; - buffer[ptr] = '\0'; + result = j->second; + return true; } } } - *result = 0; // value or its tag not found at all - return 0; + else + { + log(DEBUG, "ConfValue got an out-of-range index %d", pos); + } + + return false; +} + +bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result) +{ + return ConfValueInteger(target, std::string(tag), std::string(var), index, result); } +bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result) +{ + std::string value; + std::istringstream stream; + bool r = ConfValue(target, tag, var, index, value); + stream.str(value); + if(!(stream >> result)) + return false; + return r; +} + +bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index) +{ + return ConfValueBool(target, std::string(tag), std::string(var), index); +} - -int ServerConfig::ConfValue(char* tag, char* var, int index, char *result,std::stringstream *config) +bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index) { - ReadConf(config, tag, var, index, result); - return 0; + std::string result; + if(!ConfValue(target, tag, var, index, result)) + return false; + + return ((result == "yes") || (result == "true") || (result == "1")); +} + +int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag) +{ + return ConfValueEnum(target, std::string(tag)); } +int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag) +{ + return target.count(tag); +} + +int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index) +{ + return 1; +} +int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index) +{ + ConfigDataHash::size_type pos = index; + + if((pos >= 0) && (pos < target.count(tag))) + { + ConfigDataHash::const_iterator iter = target.find(tag); + + for(int i = 0; i < index; i++) + iter++; + + return iter->second.size(); + } + else + { + log(DEBUG, "ConfVarEnum got an out-of-range index %d", pos); + } + + return 0; +} -// This will bind a socket to a port. It works for UDP/TCP -int BindSocket (int sockfd, struct sockaddr_in client, struct sockaddr_in server, int port, char* addr) +/** This will bind a socket to a port. It works for UDP/TCP. + * If a hostname is given to bind to, the function will first + * attempt to resolve the hostname, then bind to the IP the + * hostname resolves to. This is a blocking lookup blocking for + * a maximum of one second before it times out, using the DNS + * server specified in the configuration file. + */ +bool BindSocket(int sockfd, struct sockaddr_in client, struct sockaddr_in server, int port, char* addr) { - memset((char *)&server,0,sizeof(server)); + memset(&server,0,sizeof(server)); struct in_addr addy; - inet_aton(addr,&addy); - server.sin_family = AF_INET; - if (!*addr) + bool resolved = false; + char resolved_addr[128]; + + if (*addr == '*') + *addr = 0; + + if (*addr && !inet_aton(addr,&addy)) { - server.sin_addr.s_addr = htonl(INADDR_ANY); + /* If they gave a hostname, bind to the IP it resolves to */ + if (CleanAndResolve(resolved_addr, addr, true)) + { + inet_aton(resolved_addr,&addy); + log(DEFAULT,"Resolved binding '%s' -> '%s'",addr,resolved_addr); + server.sin_addr = addy; + resolved = true; + } + else + { + log(DEFAULT,"WARNING: Could not resolve '%s' to an IP for binding to on port %d",addr,port); + return false; + } } - else + server.sin_family = AF_INET; + if (!resolved) { - server.sin_addr = addy; + if (!*addr) + { + server.sin_addr.s_addr = htonl(INADDR_ANY); + } + else + { + server.sin_addr = addy; + } } server.sin_port = htons(port); - if (bind(sockfd,(struct sockaddr*)&server,sizeof(server))<0) + if (bind(sockfd,(struct sockaddr*)&server,sizeof(server)) < 0) { - return(ERROR); + return false; } else { - listen(sockfd, Config->MaxConn); - return(TRUE); + log(DEBUG,"Bound port %s:%d",*addr ? addr : "*",port); + if (listen(sockfd, Config->MaxConn) == -1) + { + log(DEFAULT,"ERROR in listen(): %s",strerror(errno)); + return false; + } + else + { + NonBlocking(sockfd); + return true; + } } } // Open a TCP Socket -int OpenTCPSocket (void) +int OpenTCPSocket() { int sockfd; int on = 1; struct linger linger = { 0 }; if ((sockfd = socket (AF_INET, SOCK_STREAM, 0)) < 0) + { + log(DEFAULT,"Error creating TCP socket: %s",strerror(errno)); return (ERROR); + } else { - setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, (const char*)&on, sizeof(on)); + setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)); /* This is BSD compatible, setting l_onoff to 0 is *NOT* http://web.irc.org/mla/ircd-dev/msg02259.html */ linger.l_onoff = 1; linger.l_linger = 1; - setsockopt(sockfd, SOL_SOCKET, SO_LINGER, (const char*)&linger,sizeof(linger)); + setsockopt(sockfd, SOL_SOCKET, SO_LINGER, &linger,sizeof(linger)); return (sockfd); } } -int BindPorts() +bool HasPort(int port, char* addr) { - char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF]; + for (int count = 0; count < ServerInstance->stats->BoundPortCount; count++) + { + if ((port == Config->ports[count]) && (!strcasecmp(Config->addrs[count],addr))) + { + return true; + } + } + return false; +} + +int BindPorts(bool bail) +{ + char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF]; sockaddr_in client,server; - int clientportcount = 0; + int clientportcount = 0; int BoundPortCount = 0; - for (int count = 0; count < Config->ConfValueEnum("bind",&Config->config_f); count++) - { - Config->ConfValue("bind","port",count,configToken,&Config->config_f); - Config->ConfValue("bind","address",count,Addr,&Config->config_f); - Config->ConfValue("bind","type",count,Type,&Config->config_f); - if ((!*Type) || (!strcmp(Type,"clients"))) - { - // modules handle server bind types now - Config->ports[clientportcount] = atoi(configToken); + + if (!bail) + { + int InitialPortCount = ServerInstance->stats->BoundPortCount; + log(DEBUG,"Initial port count: %d",InitialPortCount); + + for (int count = 0; count < Config->ConfValueEnum(Config->config_data, "bind"); count++) + { + Config->ConfValue(Config->config_data, "bind", "port", count, configToken, MAXBUF); + Config->ConfValue(Config->config_data, "bind", "address", count, Addr, MAXBUF); + Config->ConfValue(Config->config_data, "bind", "type", count, Type, MAXBUF); + + if (((!*Type) || (!strcmp(Type,"clients"))) && (!HasPort(atoi(configToken),Addr))) + { + // modules handle server bind types now + Config->ports[clientportcount+InitialPortCount] = atoi(configToken); + if (*Addr == '*') + *Addr = 0; + + strlcpy(Config->addrs[clientportcount+InitialPortCount],Addr,256); + clientportcount++; + log(DEBUG,"NEW binding %s:%s [%s] from config",Addr,configToken, Type); + } + } + int PortCount = clientportcount; + if (PortCount) + { + for (int count = InitialPortCount; count < InitialPortCount + PortCount; count++) + { + if ((openSockfd[count] = OpenTCPSocket()) == ERROR) + { + log(DEBUG,"Bad fd %d binding port [%s:%d]",openSockfd[count],Config->addrs[count],Config->ports[count]); + return ERROR; + } + if (!BindSocket(openSockfd[count],client,server,Config->ports[count],Config->addrs[count])) + { + log(DEFAULT,"Failed to bind port [%s:%d]: %s",Config->addrs[count],Config->ports[count],strerror(errno)); + } + else + { + /* Associate the new open port with a slot in the socket engine */ + ServerInstance->SE->AddFd(openSockfd[count],true,X_LISTEN); + BoundPortCount++; + } + } + return InitialPortCount + BoundPortCount; + } + else + { + log(DEBUG,"There is nothing new to bind!"); + } + return InitialPortCount; + } + + for (int count = 0; count < Config->ConfValueEnum(Config->config_data, "bind"); count++) + { + Config->ConfValue(Config->config_data, "bind", "port", count, configToken, MAXBUF); + Config->ConfValue(Config->config_data, "bind", "address", count, Addr, MAXBUF); + Config->ConfValue(Config->config_data, "bind", "type", count, Type, MAXBUF); + + if ((!*Type) || (!strcmp(Type,"clients"))) + { + // modules handle server bind types now + Config->ports[clientportcount] = atoi(configToken); // If the client put bind "*", this is an unrealism. // We don't actually support this as documented, but @@ -1247,38 +1548,40 @@ int BindPorts() if (*Addr == '*') *Addr = 0; - strlcpy(Config->addrs[clientportcount],Addr,256); - clientportcount++; - log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type); - } - } - int PortCount = clientportcount; - - for (int count = 0; count < PortCount; count++) - { - if ((openSockfd[BoundPortCount] = OpenTCPSocket()) == ERROR) - { - log(DEBUG,"InspIRCd: startup: bad fd %lu binding port [%s:%d]",(unsigned long)openSockfd[BoundPortCount],Config->addrs[count],(unsigned long)Config->ports[count]); - return(ERROR); - } - if (BindSocket(openSockfd[BoundPortCount],client,server,Config->ports[count],Config->addrs[count]) == ERROR) - { - log(DEFAULT,"InspIRCd: startup: failed to bind port [%s:%lu]: %s",Config->addrs[count],(unsigned long)Config->ports[count],strerror(errno)); - } - else /* well we at least bound to one socket so we'll continue */ - { - BoundPortCount++; - } - } - - /* if we didn't bind to anything then abort */ - if (!BoundPortCount) - { - log(DEFAULT,"InspIRCd: startup: no ports bound, bailing!"); - printf("\nERROR: Was not able to bind any of %lu ports! Please check your configuration.\n\n", (unsigned long)PortCount); - return (ERROR); - } - - return BoundPortCount; -} + strlcpy(Config->addrs[clientportcount],Addr,256); + clientportcount++; + log(DEBUG,"Binding %s:%s [%s] from config",Addr,configToken, Type); + } + } + + int PortCount = clientportcount; + + for (int count = 0; count < PortCount; count++) + { + if ((openSockfd[BoundPortCount] = OpenTCPSocket()) == ERROR) + { + log(DEBUG,"Bad fd %d binding port [%s:%d]",openSockfd[BoundPortCount],Config->addrs[count],Config->ports[count]); + return ERROR; + } + if (!BindSocket(openSockfd[BoundPortCount],client,server,Config->ports[count],Config->addrs[count])) + { + log(DEFAULT,"Failed to bind port [%s:%d]: %s",Config->addrs[count],Config->ports[count],strerror(errno)); + } + else + { + /* well we at least bound to one socket so we'll continue */ + BoundPortCount++; + } + } + + /* if we didn't bind to anything then abort */ + if (!BoundPortCount) + { + log(DEFAULT,"No ports bound, bailing!"); + printf("\nERROR: Could not bind any of %d ports! Please check your configuration.\n\n", PortCount); + return ERROR; + } + + return BoundPortCount; +}