diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/inspircd_io.cpp | 1577 |
1 files changed, 0 insertions, 1577 deletions
diff --git a/src/inspircd_io.cpp b/src/inspircd_io.cpp deleted file mode 100644 index 723e5a48a..000000000 --- a/src/inspircd_io.cpp +++ /dev/null @@ -1,1577 +0,0 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. - * E-mail: - * <brain@chatspike.net> - * <Craig@chatspike.net> - * - * Written by Craig Edwards, Craig McLure, and others. - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -using namespace std; - -#include "inspircd_config.h" -#include <sys/time.h> -#include <sys/resource.h> -#include <sys/types.h> -#include <string> -#include <unistd.h> -#include <sstream> -#include <iostream> -#include <fstream> -#include "message.h" -#include "inspircd.h" -#include "inspircd_io.h" -#include "inspstring.h" -#include "helperfuncs.h" -#include "userprocess.h" -#include "xline.h" - -extern ServerConfig *Config; -extern InspIRCd* ServerInstance; -extern int openSockfd[MAX_DESCRIPTORS]; -extern time_t TIME; - -extern int MODCOUNT; -extern std::vector<Module*> modules; -extern std::vector<ircd_module*> factory; - -std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules; - -ServerConfig::ServerConfig() -{ - this->ClearStack(); - *TempDir = *ServerName = *Network = *ServerDesc = *AdminName = '\0'; - *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = '\0'; - *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0'; - *OperOnlyStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = '\0'; - log_file = NULL; - forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = false; - writelog = AllowHalfop = true; - dns_timeout = DieDelay = 5; - MaxTargets = 20; - NetBufferSize = 10240; - SoftLimit = MAXCLIENTS; - MaxConn = SOMAXCONN; - MaxWhoResults = 100; - debugging = 0; - LogLevel = DEFAULT; - maxbans.clear(); -} - -void ServerConfig::ClearStack() -{ - include_stack.clear(); -} - -Module* ServerConfig::GetIOHook(int port) -{ - std::map<int,Module*>::iterator x = IOHookModule.find(port); - return (x != IOHookModule.end() ? x->second : NULL); -} - -bool ServerConfig::AddIOHook(int port, Module* iomod) -{ - if (!GetIOHook(port)) - { - IOHookModule[port] = iomod; - return true; - } - else - { - ModuleException err("Port already hooked by another module"); - throw(err); - return false; - } -} - -bool ServerConfig::DelIOHook(int port) -{ - std::map<int,Module*>::iterator x = IOHookModule.find(port); - if (x != IOHookModule.end()) - { - IOHookModule.erase(x); - return true; - } - return false; -} - -bool ServerConfig::CheckOnce(char* tag, bool bail, userrec* user) -{ - int count = ConfValueEnum(Config->config_data, tag); - - if (count > 1) - { - if (bail) - { - printf("There were errors in your configuration:\nYou have more than one <%s> tag, this is not permitted.\n",tag); - Exit(0); - } - else - { - if (user) - { - WriteServ(user->fd,"There were errors in your configuration:"); - WriteServ(user->fd,"You have more than one <%s> tag, this is not permitted.\n",tag); - } - else - { - WriteOpers("There were errors in the configuration file:"); - WriteOpers("You have more than one <%s> tag, this is not permitted.\n",tag); - } - } - return false; - } - if (count < 1) - { - if (bail) - { - printf("There were errors in your configuration:\nYou have not defined a <%s> tag, this is required.\n",tag); - Exit(0); - } - else - { - if (user) - { - WriteServ(user->fd,"There were errors in your configuration:"); - WriteServ(user->fd,"You have not defined a <%s> tag, this is required.",tag); - } - else - { - WriteOpers("There were errors in the configuration file:"); - WriteOpers("You have not defined a <%s> tag, this is required.",tag); - } - } - return false; - } - return true; -} - -bool NoValidation(const char* tag, const char* value, void* data) -{ - log(DEBUG,"No validation for <%s:%s>",tag,value); - return true; -} - -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: <options:maxtargets> value is greater than 31 or less than 0, set to 20."); - *x = 20; - } - return true; -} - -bool ValidateSoftLimit(const char* tag, const char* value, void* data) -{ - int* x = (int*)data; - if ((*x < 1) || (*x > MAXCLIENTS)) - { - log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS); - *x = MAXCLIENTS; - } - return true; -} - -bool ValidateMaxConn(const char* tag, const char* value, void* data) -{ - int* x = (int*)data; - if (*x > SOMAXCONN) - log(DEFAULT,"WARNING: <options:somaxconn> 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: <dns:server> 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) - { - if ((nameserver == "nameserver") && (!found_server)) - { - resolv >> nameserver; - strlcpy(x,nameserver.c_str(),MAXBUF); - found_server = true; - log(DEFAULT,"<dns:server> 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(x,"127.0.0.1",MAXBUF); - } - } - else - { - log(DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!"); - strlcpy(x,"127.0.0.1",MAXBUF); - } - } - return true; -} - -bool ValidateModPath(const char* tag, const char* value, void* data) -{ - char* x = (char*)data; - if (!*x) - strlcpy(x,MOD_PATH,MAXBUF); - return true; -} - - -bool ValidateServerName(const char* tag, const char* value, void* data) -{ - char* x = (char*)data; - if (!strchr(x,'.')) - { - log(DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",x,x,'.'); - charlcat(x,'.',MAXBUF); - } - //strlower(x); - return true; -} - -bool ValidateNetBufferSize(const char* tag, const char* value, void* data) -{ - 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; - } - return true; -} - -bool ValidateMaxWho(const char* tag, const char* value, void* data) -{ - 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; -} - -bool ValidateLogLevel(const char* tag, const char* value, void* data) -{ - const char* dbg = (const char*)data; - Config->LogLevel = DEFAULT; - if (!strcmp(dbg,"debug")) - { - Config->LogLevel = DEBUG; - Config->debugging = 1; - } - 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; -} - -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; -} - -/* Callback called before processing the first <connect> tag - */ -bool InitConnect(const char* tag) -{ - log(DEFAULT,"Reading connect classes..."); - Config->Classes.clear(); - return true; -} - -/* Callback called to process a single <connect> tag - */ -bool DoConnect(const char* tag, char** entries, void** values, int* types) -{ - 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) - { - 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) - { - 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); - } - else - { - c.host = deny; - c.type = CC_DENY; - Config->Classes.push_back(c); - log(DEBUG,"Read connect class type DENY, host=%s",deny); - } - - return true; -} - -/* Callback called when there are no more <connect> tags - */ -bool DoneConnect(const char* tag) -{ - log(DEBUG,"DoneConnect called for tag: %s",tag); - return true; -} - -/* Callback called before processing the first <uline> tag - */ -bool InitULine(const char* tag) -{ - Config->ulines.clear(); - return true; -} - -/* Callback called to process a single <uline> tag - */ -bool DoULine(const char* tag, char** entries, void** values, int* types) -{ - 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 <uline> tags - */ -bool DoneULine(const char* tag) -{ - return true; -} - -/* Callback called before processing the first <module> tag - */ -bool InitModule(const char* tag) -{ - old_module_names.clear(); - new_module_names.clear(); - added_modules.clear(); - removed_modules.clear(); - for (std::vector<std::string>::iterator t = Config->module_names.begin(); t != Config->module_names.end(); t++) - { - old_module_names.push_back(*t); - } - return true; -} - -/* Callback called to process a single <module> 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 <module> 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<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++) - { - bool added = true; - - for (std::vector<std::string>::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<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++) - { - bool removed = true; - for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++) - { - if (*newm == *oldm) - removed = false; - } - - if (removed) - removed_modules.push_back(*oldm); - } - return true; -} - -/* Callback called before processing the first <banlist> tag - */ -bool InitMaxBans(const char* tag) -{ - Config->maxbans.clear(); - return true; -} - -/* Callback called to process a single <banlist> 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 <banlist> tags. - */ -bool DoneMaxBans(const char* tag) -{ - return true; -} - -void ServerConfig::Read(bool bail, userrec* user) -{ - 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, NoValidation}, - {"server", "network", &this->Network, DT_CHARPTR, NoValidation}, - {"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; - - if (this->LoadConf(newconfig, CONFIG_FILE, errstr)) - { - /* 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++) - { - c = (i->first != 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; - } - */ } - else - { - log(DEFAULT, "There were errors in your configuration:\n%s", errstr.str().c_str()); - - if (bail) - { - /* 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()) - { - WriteServ(user->fd, "NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str()); - start += 510 - prefixlen; - } - } - else - { - WriteOpers("There were errors in the configuration file:"); - - while(start < errors.length()) - { - WriteOpers(errors.substr(start, 360).c_str()); - start += 360; - } - } - - return; - } - } - - /* 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) - { - 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; - } - - 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++) - { - for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++) - { - 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; - } - } - MultiValues[Index].validation_function(MultiValues[Index].tag, (char**)MultiValues[Index].items, ptr, MultiValues[Index].datatype); - } - - 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<std::string>::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<std::string>::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()); - } -} - -void Exit(int status) -{ - if (Config->log_file) - fclose(Config->log_file); - send_error("Server shutdown."); - exit (status); -} - -void Killed(int status) -{ - 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 - */ - -/* 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; - - linenumber = 1; - in_tag = false; - in_quote = false; - in_comment = false; - - /* Check if the file open failed first */ - if (!conf) - { - errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl; - return false; - } - - /* 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++) - { - if (std::string(filename) == include_stack[t]) - { - errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl; - return false; - } - } - - /* It's not already included, add it to the list of files we've loaded */ - include_stack.push_back(filename); - - /* Start reading characters... */ - while(conf.get(ch)) - { - /* - * Here we try and get individual tags on separate lines, - * this would be so easy if we just made people format - * their config files like that, but they don't so... - * We check for a '<' and then know the line is over when - * we get a '>' 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) - { - errorstream << "Got a newline within a quoted section, this is probably a typo: " << filename << ":" << linenumber << std::endl; - return false; - } - - switch(ch) - { - case '\n': - linenumber++; - case '\r': - in_comment = false; - case '\0': - continue; - case '\t': - ch = ' '; - } - - if(in_comment) - continue; - - line += ch; - - if(ch == '<') - { - 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; - } - } - } - else if(ch == '"') - { - 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 - { - 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; - } - } - } - else if(ch == '>') - { - if(!in_quote) - { - if(in_tag) - { - // errorstream << "Closing config tag on line " << linenumber << std::endl; - in_tag = false; - - /* - * If this finds an <include> 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 true; -} - -bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream) -{ - return this->LoadConf(target, filename.c_str(), errorstream); -} - -bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long linenumber, std::ostringstream &errorstream) -{ - 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; - - for(std::string::iterator c = line.begin(); c != line.end(); c++) - { - if(!got_name) - { - /* We don't know the tag name yet. */ - - if(*c != ' ') - { - if(*c != '<') - { - tagname += *c; - } - } - else - { - /* We got to a space, we should have the tagname now. */ - if(tagname.length()) - { - got_name = true; - } - } - } - else - { - /* We have the tag name */ - if(!got_key) - { - /* We're still reading the key name */ - if(*c != '=') - { - if(*c != ' ') - { - current_key += *c; - } - } - else - { - /* We got an '=', end of the key name. */ - got_key = true; - } - } - else - { - /* 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; - } - } - } - } - } - - /* Finished parsing the tag, add it to the config hash */ - target.insert(std::pair<std::string, KeyValList > (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(j->first == var) - { - result = j->second; - return true; - } - } - } - else if(pos == 0) - { - log(DEBUG, "No <%s> tags in config file.", tag.c_str()); - } - else - { - log(DEBUG, "ConfValue got an out-of-range index %d, there are only %d occurences of %s", pos, target.count(tag), tag.c_str()); - } - - 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); -} - -bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index) -{ - 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 target.count(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 ConfVarEnum(target, std::string(tag), index); -} - -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 if(pos == 0) - { - log(DEBUG, "No <%s> tags in config file.", tag.c_str()); - } - else - { - log(DEBUG, "ConfVarEnum got an out-of-range index %d, there are only %d occurences of %s", pos, target.count(tag), tag.c_str()); - } - - return 0; -} - -/** 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, insp_sockaddr client, insp_sockaddr server, int port, char* addr) -{ - memset(&server,0,sizeof(server)); - insp_inaddr addy; - bool resolved = false; - char resolved_addr[128]; - - if (*addr == '*') - *addr = 0; - - if (*addr && !inet_aton(addr,&addy)) - { - /* 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; - } - } - server.sin_family = AF_INET; - if (!resolved) - { - 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) - { - return false; - } - else - { - 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() -{ - 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, &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, &linger,sizeof(linger)); - return (sockfd); - } -} - -bool HasPort(int port, char* addr) -{ - 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]; - insp_sockaddr client, server; - int clientportcount = 0; - int BoundPortCount = 0; - - 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 - // i got fed up of people trying it, so now it converts - // it to an empty string meaning the same 'bind to all'. - if (*Addr == '*') - *Addr = 0; - - 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; -} |