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|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2008 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
/* $Core: libIRCDconfigreader */
/* $CopyInstall: conf/inspircd.quotes.example $(CONPATH) */
/* $CopyInstall: conf/inspircd.rules.example $(CONPATH) */
/* $CopyInstall: conf/inspircd.motd.example $(CONPATH) */
/* $CopyInstall: conf/inspircd.helpop-full.example $(CONPATH) */
/* $CopyInstall: conf/inspircd.helpop.example $(CONPATH) */
/* $CopyInstall: conf/inspircd.censor.example $(CONPATH) */
/* $CopyInstall: conf/inspircd.filter.example $(CONPATH) */
/* $CopyInstall: docs/inspircd.conf.example $(CONPATH) */
#include "inspircd.h"
#include <fstream>
#include "xline.h"
#include "exitcodes.h"
#include "commands/cmd_whowas.h"
std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
/* Needs forward declaration */
bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data);
bool DoneELine(ServerConfig* conf, const char* tag);
ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
{
this->ClearStack();
*ServerName = *Network = *ServerDesc = *AdminName = '\0';
*HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = *FixedQuit = *HideKillsServer = '\0';
*DefaultModes = *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
*UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = *SuffixQuit = '\0';
WhoWasGroupSize = WhoWasMaxGroups = WhoWasMaxKeep = 0;
log_file = NULL;
NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = UndernetMsgPrefix = false;
CycleHosts = writelog = AllowHalfop = true;
dns_timeout = DieDelay = 5;
MaxTargets = 20;
NetBufferSize = 10240;
SoftLimit = MAXCLIENTS;
MaxConn = SOMAXCONN;
MaxWhoResults = 0;
debugging = 0;
MaxChans = 20;
OperMaxChans = 30;
LogLevel = DEFAULT;
maxbans.clear();
DNSServerValidator = &ValidateDnsServer;
}
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);
}
Module* ServerConfig::GetIOHook(BufferedSocket* is)
{
std::map<BufferedSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
return (x != SocketIOHookModule.end() ? x->second : NULL);
}
bool ServerConfig::AddIOHook(int port, Module* iomod)
{
if (!GetIOHook(port))
{
IOHookModule[port] = iomod;
return true;
}
else
{
throw ModuleException("Port already hooked by another module");
return false;
}
}
bool ServerConfig::AddIOHook(Module* iomod, BufferedSocket* is)
{
if (!GetIOHook(is))
{
SocketIOHookModule[is] = iomod;
is->IsIOHooked = true;
return true;
}
else
{
throw ModuleException("BufferedSocket derived class already hooked by another module");
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::DelIOHook(BufferedSocket* is)
{
std::map<BufferedSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
if (x != SocketIOHookModule.end())
{
SocketIOHookModule.erase(x);
return true;
}
return false;
}
void ServerConfig::Update005()
{
std::stringstream out(data005);
std::string token;
std::string line5;
int token_counter = 0;
isupport.clear();
while (out >> token)
{
line5 = line5 + token + " ";
token_counter++;
if (token_counter >= 13)
{
char buf[MAXBUF];
snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
isupport.push_back(buf);
line5.clear();
token_counter = 0;
}
}
if (!line5.empty())
{
char buf[MAXBUF];
snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
isupport.push_back(buf);
}
}
void ServerConfig::Send005(User* user)
{
for (std::vector<std::string>::iterator line = ServerInstance->Config->isupport.begin(); line != ServerInstance->Config->isupport.end(); line++)
user->WriteServ("005 %s %s", user->nick, line->c_str());
}
bool ServerConfig::CheckOnce(const char* tag)
{
int count = ConfValueEnum(this->config_data, tag);
if (count > 1)
{
throw CoreException("You have more than one <"+std::string(tag)+"> tag, this is not permitted.");
return false;
}
if (count < 1)
{
throw CoreException("You have not defined a <"+std::string(tag)+"> tag, this is required.");
return false;
}
return true;
}
bool NoValidation(ServerConfig*, const char*, const char*, ValueItem&)
{
return true;
}
bool DoneConfItem(ServerConfig* conf, const char* tag)
{
return true;
}
void ServerConfig::ValidateNoSpaces(const char* p, const std::string &tag, const std::string &val)
{
for (const char* ptr = p; *ptr; ++ptr)
{
if (*ptr == ' ')
throw CoreException("The value of <"+tag+":"+val+"> cannot contain spaces");
}
}
/* NOTE: Before anyone asks why we're not using inet_pton for this, it is because inet_pton and friends do not return so much detail,
* even in strerror(errno). They just return 'yes' or 'no' to an address without such detail as to whats WRONG with the address.
* Because ircd users arent as technical as they used to be (;)) we are going to give more of a useful error message.
*/
void ServerConfig::ValidateIP(const char* p, const std::string &tag, const std::string &val, bool wild)
{
int num_dots = 0;
int num_seps = 0;
int not_numbers = false;
int not_hex = false;
if (*p)
{
if (*p == '.')
throw CoreException("The value of <"+tag+":"+val+"> is not an IP address");
for (const char* ptr = p; *ptr; ++ptr)
{
if (wild && (*ptr == '*' || *ptr == '?' || *ptr == '/'))
continue;
if (*ptr != ':' && *ptr != '.')
{
if (*ptr < '0' || *ptr > '9')
not_numbers = true;
if ((*ptr < '0' || *ptr > '9') && (toupper(*ptr) < 'A' || toupper(*ptr) > 'F'))
not_hex = true;
}
switch (*ptr)
{
case ' ':
throw CoreException("The value of <"+tag+":"+val+"> is not an IP address");
case '.':
num_dots++;
break;
case ':':
num_seps++;
break;
}
}
if (num_dots > 3)
throw CoreException("The value of <"+tag+":"+val+"> is an IPv4 address with too many fields!");
if (num_seps > 8)
throw CoreException("The value of <"+tag+":"+val+"> is an IPv6 address with too many fields!");
if (num_seps == 0 && num_dots < 3 && !wild)
throw CoreException("The value of <"+tag+":"+val+"> looks to be a malformed IPv4 address");
if (num_seps == 0 && num_dots == 3 && not_numbers)
throw CoreException("The value of <"+tag+":"+val+"> contains non-numeric characters in an IPv4 address");
if (num_seps != 0 && not_hex)
throw CoreException("The value of <"+tag+":"+val+"> contains non-hexdecimal characters in an IPv6 address");
if (num_seps != 0 && num_dots != 3 && num_dots != 0 && !wild)
throw CoreException("The value of <"+tag+":"+val+"> is a malformed IPv6 4in6 address");
}
}
void ServerConfig::ValidateHostname(const char* p, const std::string &tag, const std::string &val)
{
int num_dots = 0;
if (*p)
{
if (*p == '.')
throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
for (const char* ptr = p; *ptr; ++ptr)
{
switch (*ptr)
{
case ' ':
throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
case '.':
num_dots++;
break;
}
}
if (num_dots == 0)
throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
}
}
bool ValidateMaxTargets(ServerConfig* conf, const char*, const char*, ValueItem &data)
{
if ((data.GetInteger() < 0) || (data.GetInteger() > 31))
{
conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <options:maxtargets> value is greater than 31 or less than 0, set to 20.");
data.Set(20);
}
return true;
}
bool ValidateSoftLimit(ServerConfig* conf, const char*, const char*, ValueItem &data)
{
if ((data.GetInteger() < 1) || (data.GetInteger() > MAXCLIENTS))
{
conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
data.Set(MAXCLIENTS);
}
return true;
}
bool ValidateMaxConn(ServerConfig* conf, const char*, const char*, ValueItem &data)
{
if (data.GetInteger() > SOMAXCONN)
conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
return true;
}
bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance)
{
std::stringstream dcmds(data);
std::string thiscmd;
/* Enable everything first */
for (Commandable::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++)
x->second->Disable(false);
/* Now disable all the ones which the user wants disabled */
while (dcmds >> thiscmd)
{
Commandable::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd);
if (cm != ServerInstance->Parser->cmdlist.end())
{
cm->second->Disable(true);
}
}
return true;
}
bool ValidateDnsServer(ServerConfig* conf, const char*, const char*, ValueItem &data)
{
if (!*(data.GetString()))
{
std::string nameserver;
// attempt to look up their nameserver from /etc/resolv.conf
conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
std::ifstream resolv("/etc/resolv.conf");
bool found_server = false;
if (resolv.is_open())
{
while (resolv >> nameserver)
{
if ((nameserver == "nameserver") && (!found_server))
{
resolv >> nameserver;
data.Set(nameserver.c_str());
found_server = true;
conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
}
}
if (!found_server)
{
conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
data.Set("127.0.0.1");
}
}
else
{
conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
data.Set("127.0.0.1");
}
}
return true;
}
bool ValidateServerName(ServerConfig* conf, const char*, const char*, ValueItem &data)
{
/* If we already have a servername, and they changed it, we should throw an exception. */
if ((strcasecmp(conf->ServerName, data.GetString())) && (*conf->ServerName))
{
throw CoreException("Configuration error: You cannot change your servername at runtime! Please restart your server for this change to be applied.");
/* We don't actually reach this return of course... */
return false;
}
if (!strchr(data.GetString(),'.'))
{
conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",data.GetString(),data.GetString(),'.');
std::string moo = std::string(data.GetString()).append(".");
data.Set(moo.c_str());
}
return true;
}
bool ValidateNetBufferSize(ServerConfig* conf, const char*, const char*, ValueItem &data)
{
if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024))
{
conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
data.Set(10240);
}
return true;
}
bool ValidateMaxWho(ServerConfig* conf, const char*, const char*, ValueItem &data)
{
if ((data.GetInteger() > 65535) || (data.GetInteger() < 1))
{
conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"<options:maxwhoresults> size out of range, setting to default of 128.");
data.Set(128);
}
return true;
}
bool ValidateLogLevel(ServerConfig* conf, const char*, const char*, ValueItem &data)
{
std::string dbg = data.GetString();
conf->LogLevel = DEFAULT;
if (dbg == "debug")
conf->LogLevel = DEBUG;
else if (dbg == "verbose")
conf->LogLevel = VERBOSE;
else if (dbg == "default")
conf->LogLevel = DEFAULT;
else if (dbg == "sparse")
conf->LogLevel = SPARSE;
else if (dbg == "none")
conf->LogLevel = NONE;
conf->debugging = (conf->LogLevel == DEBUG);
return true;
}
bool ValidateMotd(ServerConfig* conf, const char*, const char*, ValueItem &data)
{
conf->ReadFile(conf->MOTD, data.GetString());
return true;
}
bool ValidateNotEmpty(ServerConfig*, const char* tag, const char*, ValueItem &data)
{
if (!*data.GetString())
throw CoreException(std::string("The value for ")+tag+" cannot be empty!");
return true;
}
bool ValidateRules(ServerConfig* conf, const char*, const char*, ValueItem &data)
{
conf->ReadFile(conf->RULES, data.GetString());
return true;
}
bool ValidateModeLists(ServerConfig* conf, const char*, const char*, ValueItem &data)
{
memset(conf->HideModeLists, 0, 256);
for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
conf->HideModeLists[*x] = true;
return true;
}
bool ValidateExemptChanOps(ServerConfig* conf, const char*, const char*, ValueItem &data)
{
memset(conf->ExemptChanOps, 0, 256);
for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
conf->ExemptChanOps[*x] = true;
return true;
}
bool ValidateInvite(ServerConfig* conf, const char*, const char*, ValueItem &data)
{
std::string v = data.GetString();
if (v == "ops")
conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_OPS;
else if (v == "all")
conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_ALL;
else if (v == "dynamic")
conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_DYNAMIC;
else
conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_NONE;
return true;
}
bool ValidateSID(ServerConfig* conf, const char*, const char*, ValueItem &data)
{
const char *sid = data.GetString();
if (*sid && !conf->GetInstance()->IsSID(sid))
{
throw CoreException(std::string(sid) + " is not a valid server ID. A server ID must be 3 characters long, with the first character a digit and the next two characters a digit or letter.");
}
return true;
}
bool ValidateWhoWas(ServerConfig* conf, const char*, const char*, ValueItem &data)
{
conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString());
if (conf->WhoWasGroupSize < 0)
conf->WhoWasGroupSize = 0;
if (conf->WhoWasMaxGroups < 0)
conf->WhoWasMaxGroups = 0;
if (conf->WhoWasMaxKeep < 3600)
{
conf->WhoWasMaxKeep = 3600;
conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <whowas:maxkeep> value less than 3600, setting to default 3600");
}
Command* whowas_command = conf->GetInstance()->Parser->GetHandler("WHOWAS");
if (whowas_command)
{
std::deque<classbase*> params;
whowas_command->HandleInternal(WHOWAS_PRUNE, params);
}
return true;
}
/* Callback called before processing the first <connect> tag
*/
bool InitConnect(ServerConfig* conf, const char*)
{
conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Reading connect classes...");
for (ClassVector::iterator i = conf->Classes.begin(); i != conf->Classes.end(); i++)
{
ConnectClass *c = *i;
conf->GetInstance()->Logs->Log("CONFIG",DEBUG, "Address of class is %p", c);
}
for (ClassVector::iterator i = conf->Classes.begin(); i != conf->Classes.end() ; )
{
ConnectClass* c = *i;
/* only delete a class with refcount 0 */
if (c->RefCount == 0)
{
conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Removing connect class, refcount is 0!");
/* This was causing a crash, because we'd set i to .begin() just here, but then the for loop's increment would
* set it to .begin() + 1. Which if it was already the last thing in the list, wasn't good.
* Now the increment is in the else { } below.
*/
conf->Classes.erase(i);
i = conf->Classes.begin(); // start over so we don't trample on a bad iterator
}
else
{
/* also mark all existing classes disabled, if they still exist in the conf, they will be reenabled. */
c->SetDisabled(true);
i++;
}
}
return true;
}
/* Callback called to process a single <connect> tag
*/
bool DoConnect(ServerConfig* conf, const char*, char**, ValueList &values, int*)
{
ConnectClass c;
const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
const char* deny = values[1].GetString();
const char* password = values[2].GetString();
int timeout = values[3].GetInteger();
int pingfreq = values[4].GetInteger();
int flood = values[5].GetInteger();
int threshold = values[6].GetInteger();
int sendq = values[7].GetInteger();
int recvq = values[8].GetInteger();
int localmax = values[9].GetInteger();
int globalmax = values[10].GetInteger();
int port = values[11].GetInteger();
const char* name = values[12].GetString();
const char* parent = values[13].GetString();
int maxchans = values[14].GetInteger();
unsigned long limit = values[15].GetInteger();
const char* hashtype = values[16].GetString();
/*
* duplicates check: Now we don't delete all connect classes on rehash, we need to ensure we don't add dupes.
* easier said than done, but for now we'll just disallow anything with a duplicate host or name. -- w00t
*/
for (ClassVector::iterator item = conf->Classes.begin(); item != conf->Classes.end(); ++item)
{
ConnectClass* cc = *item;
if ((*name && (cc->GetName() == name)) || (*allow && (cc->GetHost() == allow)) || (*deny && (cc->GetHost() == deny)))
{
/* reenable class so users can be shoved into it :P */
cc->SetDisabled(false);
conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Not adding class, it already exists!");
return true;
}
}
conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Adding a connect class!");
if (*parent)
{
/* Find 'parent' and inherit a new class from it,
* then overwrite any values that are set here
*/
ClassVector::iterator item = conf->Classes.begin();
for (; item != conf->Classes.end(); ++item)
{
ConnectClass* cc = *item;
conf->GetInstance()->Logs->Log("CONFIG",DEBUG,"Class: %s", cc->GetName().c_str());
if (cc->GetName() == parent)
{
ConnectClass* newclass = new ConnectClass(name, cc);
newclass->Update(timeout, flood, *allow ? allow : deny, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans, port, limit);
conf->Classes.push_back(newclass);
break;
}
}
if (item == conf->Classes.end())
throw CoreException("Class name '" + std::string(name) + "' is configured to inherit from class '" + std::string(parent) + "' which cannot be found.");
}
else
{
if (*allow)
{
ConnectClass* cc = new ConnectClass(name, timeout, flood, allow, pingfreq, password, hashtype, threshold, sendq, recvq, localmax, globalmax, maxchans);
cc->limit = limit;
cc->SetPort(port);
conf->Classes.push_back(cc);
}
else
{
ConnectClass* cc = new ConnectClass(name, deny);
cc->SetPort(port);
conf->Classes.push_back(cc);
}
}
return true;
}
/* Callback called when there are no more <connect> tags
*/
bool DoneConnect(ServerConfig *conf, const char*)
{
conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Done adding connect classes!");
return true;
}
/* Callback called before processing the first <uline> tag
*/
bool InitULine(ServerConfig* conf, const char*)
{
conf->ulines.clear();
return true;
}
/* Callback called to process a single <uline> tag
*/
bool DoULine(ServerConfig* conf, const char*, char**, ValueList &values, int*)
{
const char* server = values[0].GetString();
const bool silent = values[1].GetBool();
conf->ulines[server] = silent;
return true;
}
/* Callback called when there are no more <uline> tags
*/
bool DoneULine(ServerConfig*, const char*)
{
return true;
}
/* Callback called before processing the first <module> tag
*/
bool InitModule(ServerConfig* conf, const char*)
{
old_module_names = conf->GetInstance()->Modules->GetAllModuleNames(0);
new_module_names.clear();
added_modules.clear();
removed_modules.clear();
return true;
}
/* Callback called to process a single <module> tag
*/
bool DoModule(ServerConfig*, const char*, char**, ValueList &values, int*)
{
const char* modname = values[0].GetString();
new_module_names.push_back(modname);
return true;
}
/* Callback called when there are no more <module> tags
*/
bool DoneModule(ServerConfig*, const char*)
{
// 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(ServerConfig* conf, const char*)
{
conf->maxbans.clear();
return true;
}
/* Callback called to process a single <banlist> tag
*/
bool DoMaxBans(ServerConfig* conf, const char*, char**, ValueList &values, int*)
{
const char* channel = values[0].GetString();
int limit = values[1].GetInteger();
conf->maxbans[channel] = limit;
return true;
}
/* Callback called when there are no more <banlist> tags.
*/
bool DoneMaxBans(ServerConfig*, const char*)
{
return true;
}
void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, User* user)
{
ServerInstance->Logs->Log("CONFIG",DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str());
if (bail)
{
/* Unneeded because of the ServerInstance->Log() aboive? */
printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
ServerInstance->Exit(EXIT_STATUS_CONFIG);
}
else
{
std::string errors = errormessage;
std::string::size_type start;
unsigned int prefixlen;
start = 0;
/* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
if (user)
{
prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
while (start < errors.length())
{
user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
start += 510 - prefixlen;
}
}
else
{
ServerInstance->SNO->WriteToSnoMask('A', "There were errors in the configuration file:");
while (start < errors.length())
{
ServerInstance->SNO->WriteToSnoMask('A', errors.substr(start, 360).c_str());
start += 360;
}
}
return;
}
}
void ServerConfig::Read(bool bail, User* user, int pass)
{
int rem = 0, add = 0; /* Number of modules added, number of modules removed */
static char debug[MAXBUF]; /* Temporary buffer for debugging value */
static char maxkeep[MAXBUF]; /* Temporary buffer for WhoWasMaxKeep value */
static char hidemodes[MAXBUF]; /* Modes to not allow listing from users below halfop */
static char exemptchanops[MAXBUF]; /* Exempt channel ops from these modes */
static char announceinvites[MAXBUF]; /* options:announceinvites setting */
errstr.clear();
/* These tags MUST occur and must ONLY occur once in the config file */
static const char* Once[] = { "server", "admin", "files", "power", "options", NULL };
/* These tags can occur ONCE or not at all */
InitialConfig Values[] = {
{"options", "softlimit", MAXCLIENTS_S, new ValueContainerUInt (&this->SoftLimit), DT_INTEGER, ValidateSoftLimit},
{"options", "somaxconn", SOMAXCONN_S, new ValueContainerInt (&this->MaxConn), DT_INTEGER, ValidateMaxConn},
{"options", "moronbanner", "Youre banned!", new ValueContainerChar (this->MoronBanner), DT_CHARPTR, NoValidation},
{"server", "name", "", new ValueContainerChar (this->ServerName), DT_HOSTNAME, ValidateServerName},
{"server", "description", "Configure Me", new ValueContainerChar (this->ServerDesc), DT_CHARPTR, NoValidation},
{"server", "network", "Network", new ValueContainerChar (this->Network), DT_NOSPACES, NoValidation},
{"server", "id", "", new ValueContainerChar (this->sid), DT_CHARPTR, ValidateSID},
{"admin", "name", "", new ValueContainerChar (this->AdminName), DT_CHARPTR, NoValidation},
{"admin", "email", "Mis@configu.red", new ValueContainerChar (this->AdminEmail), DT_CHARPTR, NoValidation},
{"admin", "nick", "Misconfigured", new ValueContainerChar (this->AdminNick), DT_CHARPTR, NoValidation},
{"files", "motd", "", new ValueContainerChar (this->motd), DT_CHARPTR, ValidateMotd},
{"files", "rules", "", new ValueContainerChar (this->rules), DT_CHARPTR, ValidateRules},
{"power", "diepass", "", new ValueContainerChar (this->diepass), DT_CHARPTR, ValidateNotEmpty},
{"power", "pause", "", new ValueContainerInt (&this->DieDelay), DT_INTEGER, NoValidation},
{"power", "hash", "", new ValueContainerChar (this->powerhash), DT_CHARPTR, NoValidation},
{"power", "restartpass", "", new ValueContainerChar (this->restartpass), DT_CHARPTR, ValidateNotEmpty},
{"options", "prefixquit", "", new ValueContainerChar (this->PrefixQuit), DT_CHARPTR, NoValidation},
{"options", "suffixquit", "", new ValueContainerChar (this->SuffixQuit), DT_CHARPTR, NoValidation},
{"options", "fixedquit", "", new ValueContainerChar (this->FixedQuit), DT_CHARPTR, NoValidation},
{"options", "prefixpart", "", new ValueContainerChar (this->PrefixPart), DT_CHARPTR, NoValidation},
{"options", "suffixpart", "", new ValueContainerChar (this->SuffixPart), DT_CHARPTR, NoValidation},
{"options", "fixedpart", "", new ValueContainerChar (this->FixedPart), DT_CHARPTR, NoValidation},
{"options", "loglevel", "default", new ValueContainerChar (debug), DT_CHARPTR, ValidateLogLevel},
{"options", "netbuffersize","10240", new ValueContainerInt (&this->NetBufferSize), DT_INTEGER, ValidateNetBufferSize},
{"options", "maxwho", "128", new ValueContainerInt (&this->MaxWhoResults), DT_INTEGER, ValidateMaxWho},
{"options", "allowhalfop", "0", new ValueContainerBool (&this->AllowHalfop), DT_BOOLEAN, NoValidation},
{"dns", "server", "", new ValueContainerChar (this->DNSServer), DT_IPADDRESS,DNSServerValidator},
{"dns", "timeout", "5", new ValueContainerInt (&this->dns_timeout), DT_INTEGER, NoValidation},
{"options", "moduledir", MOD_PATH, new ValueContainerChar (this->ModPath), DT_CHARPTR, NoValidation},
{"disabled", "commands", "", new ValueContainerChar (this->DisabledCommands), DT_CHARPTR, NoValidation},
{"options", "userstats", "", new ValueContainerChar (this->UserStats), DT_CHARPTR, NoValidation},
{"options", "customversion","", new ValueContainerChar (this->CustomVersion), DT_CHARPTR, NoValidation},
{"options", "hidesplits", "0", new ValueContainerBool (&this->HideSplits), DT_BOOLEAN, NoValidation},
{"options", "hidebans", "0", new ValueContainerBool (&this->HideBans), DT_BOOLEAN, NoValidation},
{"options", "hidewhois", "", new ValueContainerChar (this->HideWhoisServer), DT_NOSPACES, NoValidation},
{"options", "hidekills", "", new ValueContainerChar (this->HideKillsServer), DT_NOSPACES, NoValidation},
{"options", "operspywhois", "0", new ValueContainerBool (&this->OperSpyWhois), DT_BOOLEAN, NoValidation},
{"options", "nouserdns", "0", new ValueContainerBool (&this->NoUserDns), DT_BOOLEAN, NoValidation},
{"options", "syntaxhints", "0", new ValueContainerBool (&this->SyntaxHints), DT_BOOLEAN, NoValidation},
{"options", "cyclehosts", "0", new ValueContainerBool (&this->CycleHosts), DT_BOOLEAN, NoValidation},
{"options", "ircumsgprefix","0", new ValueContainerBool (&this->UndernetMsgPrefix), DT_BOOLEAN, NoValidation},
{"options", "announceinvites", "1", new ValueContainerChar (announceinvites), DT_CHARPTR, ValidateInvite},
{"options", "hostintopic", "1", new ValueContainerBool (&this->FullHostInTopic), DT_BOOLEAN, NoValidation},
{"options", "hidemodes", "", new ValueContainerChar (hidemodes), DT_CHARPTR, ValidateModeLists},
{"options", "exemptchanops","", new ValueContainerChar (exemptchanops), DT_CHARPTR, ValidateExemptChanOps},
{"options", "maxtargets", "20", new ValueContainerUInt (&this->MaxTargets), DT_INTEGER, ValidateMaxTargets},
{"options", "defaultmodes", "nt", new ValueContainerChar (this->DefaultModes), DT_CHARPTR, NoValidation},
{"pid", "file", "", new ValueContainerChar (this->PID), DT_CHARPTR, NoValidation},
{"whowas", "groupsize", "10", new ValueContainerInt (&this->WhoWasGroupSize), DT_INTEGER, NoValidation},
{"whowas", "maxgroups", "10240", new ValueContainerInt (&this->WhoWasMaxGroups), DT_INTEGER, NoValidation},
{"whowas", "maxkeep", "3600", new ValueContainerChar (maxkeep), DT_CHARPTR, ValidateWhoWas},
{"die", "value", "", new ValueContainerChar (this->DieValue), DT_CHARPTR, NoValidation},
{"channels", "users", "20", new ValueContainerUInt (&this->MaxChans), DT_INTEGER, NoValidation},
{"channels", "opers", "60", new ValueContainerUInt (&this->OperMaxChans), DT_INTEGER, NoValidation},
{NULL, NULL, NULL, NULL, DT_NOTHING, NoValidation}
};
/* 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.
*/
MultiConfig MultiValues[] = {
{"connect",
{"allow", "deny", "password", "timeout", "pingfreq", "flood",
"threshold", "sendq", "recvq", "localmax", "globalmax", "port",
"name", "parent", "maxchans", "limit", "hash",
NULL},
{"", "", "", "", "120", "",
"", "", "", "3", "3", "0",
"", "", "0", "0", "",
NULL},
{DT_IPADDRESS|DT_ALLOW_WILD,
DT_IPADDRESS|DT_ALLOW_WILD,
DT_CHARPTR, DT_INTEGER, DT_INTEGER, DT_INTEGER,
DT_INTEGER, DT_INTEGER, DT_INTEGER, DT_INTEGER, DT_INTEGER, DT_INTEGER,
DT_NOSPACES, DT_NOSPACES, DT_INTEGER, DT_INTEGER, DT_CHARPTR},
InitConnect, DoConnect, DoneConnect},
{"uline",
{"server", "silent", NULL},
{"", "0", NULL},
{DT_HOSTNAME, DT_BOOLEAN},
InitULine,DoULine,DoneULine},
{"banlist",
{"chan", "limit", NULL},
{"", "", NULL},
{DT_CHARPTR, DT_INTEGER},
InitMaxBans, DoMaxBans, DoneMaxBans},
{"module",
{"name", NULL},
{"", NULL},
{DT_CHARPTR},
InitModule, DoModule, DoneModule},
{"badip",
{"reason", "ipmask", NULL},
{"No reason", "", NULL},
{DT_CHARPTR, DT_IPADDRESS|DT_ALLOW_WILD},
InitXLine, DoZLine, DoneConfItem},
{"badnick",
{"reason", "nick", NULL},
{"No reason", "", NULL},
{DT_CHARPTR, DT_CHARPTR},
InitXLine, DoQLine, DoneConfItem},
{"badhost",
{"reason", "host", NULL},
{"No reason", "", NULL},
{DT_CHARPTR, DT_CHARPTR},
InitXLine, DoKLine, DoneConfItem},
{"exception",
{"reason", "host", NULL},
{"No reason", "", NULL},
{DT_CHARPTR, DT_CHARPTR},
InitXLine, DoELine, DoneELine},
{"type",
{"name", "classes", NULL},
{"", "", NULL},
{DT_NOSPACES, DT_CHARPTR},
InitTypes, DoType, DoneClassesAndTypes},
{"class",
{"name", "commands", NULL},
{"", "", NULL},
{DT_NOSPACES, DT_CHARPTR},
InitClasses, DoClass, DoneClassesAndTypes},
{NULL,
{NULL},
{NULL},
{0},
NULL, NULL, NULL}
};
/* 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 */
newconfig.clear();
if (this->LoadConf(newconfig, ServerInstance->ConfigFileName, errstr, pass))
{
/* If we succeeded, set the ircd config to the new one */
this->config_data = newconfig;
}
else
{
ReportConfigError(errstr.str(), bail, user);
return;
}
/* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
try
{
/* 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++)
{
char item[MAXBUF];
int dt = Values[Index].datatype;
bool allow_newlines = ((dt & DT_ALLOW_NEWLINE) > 0);
bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
dt &= ~DT_ALLOW_NEWLINE;
dt &= ~DT_ALLOW_WILD;
ConfValue(this->config_data, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines);
ValueItem vi(item);
if (!Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi))
throw CoreException("One or more values in your configuration file failed to validate. Please see your ircd.log for more information.");
switch (Values[Index].datatype)
{
case DT_NOSPACES:
{
ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
this->ValidateNoSpaces(vi.GetString(), Values[Index].tag, Values[Index].value);
vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
}
break;
case DT_HOSTNAME:
{
ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
this->ValidateHostname(vi.GetString(), Values[Index].tag, Values[Index].value);
vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
}
break;
case DT_IPADDRESS:
{
ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
this->ValidateIP(vi.GetString(), Values[Index].tag, Values[Index].value, allow_wild);
vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
}
break;
case DT_CHANNEL:
{
ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
if (*(vi.GetString()) && !ServerInstance->IsChannel(vi.GetString()))
throw CoreException("The value of <"+std::string(Values[Index].tag)+":"+Values[Index].value+"> is not a valid channel name");
vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
}
break;
case DT_CHARPTR:
{
ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
/* Make sure we also copy the null terminator */
vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
}
break;
case DT_INTEGER:
{
int val = vi.GetInteger();
ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
vci->Set(&val, sizeof(int));
}
break;
case DT_BOOLEAN:
{
bool val = vi.GetBool();
ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
vcb->Set(&val, sizeof(bool));
}
break;
default:
/* You don't want to know what happens if someones bad code sends us here. */
break;
}
/* We're done with this now */
delete Values[Index].val;
}
/* 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.
*/
for (int Index = 0; MultiValues[Index].tag; Index++)
{
MultiValues[Index].init_function(this, MultiValues[Index].tag);
int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
{
ValueList vl;
for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
{
int dt = MultiValues[Index].datatype[valuenum];
bool allow_newlines = ((dt & DT_ALLOW_NEWLINE) > 0);
bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
dt &= ~DT_ALLOW_NEWLINE;
dt &= ~DT_ALLOW_WILD;
switch (dt)
{
case DT_NOSPACES:
{
char item[MAXBUF];
if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
vl.push_back(ValueItem(item));
else
vl.push_back(ValueItem(""));
this->ValidateNoSpaces(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
}
break;
case DT_HOSTNAME:
{
char item[MAXBUF];
if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
vl.push_back(ValueItem(item));
else
vl.push_back(ValueItem(""));
this->ValidateHostname(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
}
break;
case DT_IPADDRESS:
{
char item[MAXBUF];
if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
vl.push_back(ValueItem(item));
else
vl.push_back(ValueItem(""));
this->ValidateIP(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum], allow_wild);
}
break;
case DT_CHANNEL:
{
char item[MAXBUF];
if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
vl.push_back(ValueItem(item));
else
vl.push_back(ValueItem(""));
if (!ServerInstance->IsChannel(vl[vl.size()-1].GetString()))
throw CoreException("The value of <"+std::string(MultiValues[Index].tag)+":"+MultiValues[Index].items[valuenum]+"> number "+ConvToStr(tagnum + 1)+" is not a valid channel name");
}
break;
case DT_CHARPTR:
{
char item[MAXBUF];
if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
vl.push_back(ValueItem(item));
else
vl.push_back(ValueItem(""));
}
break;
case DT_INTEGER:
{
int item = 0;
if (ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item))
vl.push_back(ValueItem(item));
else
vl.push_back(ValueItem(0));
}
break;
case DT_BOOLEAN:
{
bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum);
vl.push_back(ValueItem(item));
}
break;
default:
/* Someone was smoking craq if we got here, and we're all gonna die. */
break;
}
}
MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
}
MultiValues[Index].finish_function(this, MultiValues[Index].tag);
}
}
catch (CoreException &ce)
{
ReportConfigError(ce.GetReason(), bail, user);
return;
}
/** XXX END PASS **/
ServerInstance->Logs->Log("CONFIG",DEBUG,"End config pass %d", pass);
if (pass == 0)
{
/* FIRST PASS: Set up commands, load modules.
* We cannot gaurantee that all config is correct
* at this point
*/
if (pass == 0)
{
ServerInstance->Logs->Log("CONFIG",DEBUG, "Downloading configuration");
TotalDownloaded = 0;
FileErrors = 0;
}
if (!ServerInstance->Res)
ServerInstance->Res = new DNS(ServerInstance);
/** Note: This is safe, the method checks for user == NULL */
ServerInstance->Parser->SetupCommandTable(user);
ServerInstance->Modules->LoadAll();
}
else
{
/* SECOND PASS: Call modules to read configs, finalize
* stuff. Check that we have at least the required number
* of whichever items. This is no longer done first.
*/
/* Close all logs at this point and reopen <log method="file"> logs. */
ServerInstance->Logs->CloseLogs();
ServerInstance->Logs->OpenFileLogs();
ConfigReader* n = new ConfigReader(ServerInstance);
FOREACH_MOD(I_OnReadConfig,OnReadConfig(this, n));
for (int Index = 0; Once[Index]; Index++)
if (!CheckOnce(Once[Index]))
return;
}
// write once here, to try it out and make sure its ok
ServerInstance->WritePID(this->PID);
ServerInstance->Logs->Log("CONFIG",DEFAULT,"Done reading configuration file.");
/* If we're rehashing, let's load any new modules, and unload old ones
*/
if (!bail)
{
int found_ports = 0;
FailedPortList pl;
ServerInstance->BindPorts(false, found_ports, pl);
if (pl.size() && user)
{
user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
user->WriteServ("NOTICE %s :*** The following port(s) failed to bind:", user->nick);
int j = 1;
for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
{
user->WriteServ("NOTICE %s :*** %d. IP: %s Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
}
}
}
if (!removed_modules.empty())
{
for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
{
if (ServerInstance->Modules->Unload(removing->c_str()))
{
ServerInstance->SNO->WriteToSnoMask('A', "REHASH UNLOADED MODULE: %s",removing->c_str());
if (user)
user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
rem++;
}
else
{
if (user)
user->WriteServ("972 %s %s :%s",user->nick, removing->c_str(), ServerInstance->Modules->LastError().c_str());
}
}
}
if (!added_modules.empty())
{
for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
{
/* Skip over modules that are aleready loaded for some reason */
if (ServerInstance->Modules->Find(*adding))
continue;
if (bail)
printf_c("[\033[1;32m*\033[0m] Loading module:\t\033[1;32m%s\033[0m\n", adding->c_str());
if (ServerInstance->Modules->Load(adding->c_str()))
{
ServerInstance->SNO->WriteToSnoMask('A', "REHASH LOADED MODULE: %s",adding->c_str());
if (user)
user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
add++;
}
else
{
if (user)
user->WriteServ("974 %s %s :%s",user->nick, adding->c_str(), ServerInstance->Modules->LastError().c_str());
if (bail)
{
printf_c("\n[\033[1;31m*\033[0m] %s\n\n", ServerInstance->Modules->LastError().c_str());
ServerInstance->Exit(EXIT_STATUS_MODULE);
}
}
}
}
ServerInstance->Logs->Log("CONFIG",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());
if (user)
user->WriteServ("NOTICE %s :*** Successfully rehashed server.", user->nick);
else
ServerInstance->SNO->WriteToSnoMask('A', "Successfully rehashed server.");
}
/* XXX: This can and will block! */
void ServerConfig::DoDownloads()
{
ServerInstance->Logs->Log("CONFIG",DEBUG,"In DoDownloads()");
/* Reads all local files into the IncludedFiles map, then initiates sockets for the remote ones */
for (std::map<std::string, std::istream*>::iterator x = IncludedFiles.begin(); x != IncludedFiles.end(); ++x)
{
if (CompletedFiles.find(x->first) != CompletedFiles.end())
continue;
ServerInstance->Logs->Log("CONFIG",DEBUG,"StartDownloads File: %s", x->first.c_str());
std::string file = x->first;
if ((file[0] == '/') || (file.substr(0, 7) == "file://"))
{
/* For file:// schema files, we use std::ifstream which is a derivative of std::istream.
* For all other file schemas, we use a std::stringstream.
*/
/* Add our own ifstream */
std::ifstream* conf = new std::ifstream(file.c_str());
if (!conf->fail())
{
ServerInstance->Logs->Log("CONFIG",DEBUG,"file:// schema file %s loaded OK", file.c_str());
delete x->second;
x->second = conf;
}
else
{
delete x->second;
x->second = NULL;
FileErrors++;
}
TotalDownloaded++;
}
else
{
/* Modules handle these */
ServerInstance->Logs->Log("CONFIG",DEBUG,"Module-handled schema for %s", x->first.c_str());
/* For now, error it */
int MOD_RESULT = 0;
FOREACH_RESULT(I_OnDownloadFile, OnDownloadFile(file, x->second));
if (MOD_RESULT == 0)
{
/* No module claimed this file */
TotalDownloaded++;
FileErrors++;
delete x->second;
x->second = NULL;
}
else
{
/* Search new file here for more includes to parse */
}
}
CompletedFiles[x->first] = true;
}
}
bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream, int pass, std::istream *scan_for_includes_only)
{
std::string line;
std::istream* conf = NULL;
char ch;
long linenumber;
bool in_tag;
bool in_quote;
bool in_comment;
int character_count = 0;
linenumber = 1;
in_tag = false;
in_quote = false;
in_comment = false;
if (scan_for_includes_only)
{
ServerInstance->Logs->Log("CONFIG",DEBUG,"scan_for_includes_only set");
conf = scan_for_includes_only;
}
if (std::string(filename) == CONFIG_FILE)
{
if (!scan_for_includes_only)
{
conf = new std::ifstream(filename);
if (conf->fail())
{
errorstream << "File " << filename << " could not be opened." << std::endl;
return false;
}
}
}
else
{
std::map<std::string, std::istream*>::iterator x = IncludedFiles.find(filename);
if (x == IncludedFiles.end())
{
if (pass == 0)
{
ServerInstance->Logs->Log("CONFIG",DEBUG,"Push include file %s onto map", filename);
/* First pass, we insert the file into a map, and just return true */
IncludedFiles.insert(std::make_pair(filename,new std::stringstream));
return true;
}
else
{
/* Second pass, look for the file in the map */
ServerInstance->Logs->Log("CONFIG",DEBUG,"We are in the second pass, and %s is not in the map!", filename);
errorstream << "File " << filename << " could not be opened." << std::endl;
return false;
}
}
else
{
if (!scan_for_includes_only)
{
if (x->second)
conf = IncludedFiles.find(filename)->second;
else
{
errorstream << "File " << filename << " could not be opened." << std::endl;
return false;
}
}
}
}
ServerInstance->Logs->Log("CONFIG",DEBUG,"Start to read conf %s %08lx", filename, conf);
/* Start reading characters... */
while (conf->get(ch))
{
/*
* Fix for moronic windows issue spotted by Adremelech.
* Some windows editors save text files as utf-16, which is
* a total pain in the ass to parse. Users should save in the
* right config format! If we ever see a file where the first
* byte is 0xFF or 0xFE, or the second is 0xFF or 0xFE, then
* this is most likely a utf-16 file. Bail out and insult user.
*/
if ((character_count++ < 2) && (ch == '\xFF' || ch == '\xFE'))
{
errorstream << "File " << filename << " cannot be read, as it is encoded in braindead UTF-16. Save your file as plain ASCII!" << std::endl;
if (!scan_for_includes_only)
delete conf;
return false;
}
/*
* 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;
switch (ch)
{
case '\n':
if (in_quote)
line += '\n';
linenumber++;
case '\r':
if (!in_quote)
in_comment = false;
case '\0':
continue;
case '\t':
ch = ' ';
}
if(in_comment)
continue;
/* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
* Note that this WILL NOT usually allow insertion of newlines,
* because a newline is two characters long. Use it primarily to
* insert the " symbol.
*
* Note that this also involves a further check when parsing the line,
* which can be found below.
*/
if ((ch == '\\') && (in_quote) && (in_tag))
{
line += ch;
char real_character;
if (conf->get(real_character))
{
if (real_character == 'n')
real_character = '\n';
line += real_character;
continue;
}
else
{
errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
if (!scan_for_includes_only)
delete conf;
return false;
}
}
if (ch != '\r')
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;
if (!scan_for_includes_only)
delete conf;
return false;
}
}
else
{
if (in_quote)
{
errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
if (!scan_for_includes_only)
delete conf;
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, pass, scan_for_includes_only))
{
if (!scan_for_includes_only)
delete conf;
return false;
}
line.clear();
}
else
{
errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
if (!scan_for_includes_only)
delete conf;
return false;
}
}
}
}
/* Fix for bug #392 - if we reach the end of a file and we are still in a quote or comment, most likely the user fucked up */
if (in_comment || in_quote)
{
errorstream << "Reached end of file whilst still inside a quoted section or tag. This is most likely an error or there \
is a newline missing from the end of the file: " << filename << ":" << linenumber << std::endl;
}
if (!scan_for_includes_only)
delete conf;
return true;
}
bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream, int pass, std::istream* scan_for_includs_only)
{
return this->LoadConf(target, filename.c_str(), errorstream, pass, scan_for_includs_only);
}
bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long &linenumber, std::ostringstream &errorstream, int pass, std::istream* scan_for_includes_only)
{
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;
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 */
/* Correctly handle escaped characters here.
* See the XXX'ed section above.
*/
if ((*c == '\\') && (in_quote))
{
c++;
if (*c == 'n')
current_value += '\n';
else
current_value += *c;
continue;
}
else if ((*c == '\n') && (in_quote))
{
/* Got a 'real' \n, treat it as part of the value */
current_value += '\n';
linenumber++;
continue;
}
else if ((*c == '\r') && (in_quote))
/* Got a \r, drop it */
continue;
if (*c == '"')
{
if (!in_quote)
{
/* We're not already in a quote. */
in_quote = true;
}
else
{
/* Leaving quotes, we have the value */
if (!scan_for_includes_only)
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, pass, scan_for_includes_only))
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 */
if (!scan_for_includes_only)
target.insert(std::pair<std::string, KeyValList > (tagname, results));
return true;
}
bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream, int pass, std::istream* scan_for_includes_only)
{
std::string confpath;
std::string newfile;
std::string::size_type pos;
confpath = ServerInstance->ConfigFileName;
newfile = file;
std::replace(newfile.begin(),newfile.end(),'\\','/');
std::replace(confpath.begin(),confpath.end(),'\\','/');
if ((newfile[0] != '/') && (newfile.find("://") == std::string::npos))
{
if((pos = confpath.rfind("/")) != 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: " << ServerInstance->ConfigFileName << std::endl;
return false;
}
}
return LoadConf(target, newfile, errorstream, pass, scan_for_includes_only);
}
bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
{
return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds);
}
bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds)
{
std::string value;
bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds);
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, bool allow_linefeeds)
{
return ConfValue(target, tag, var, "", index, result, allow_linefeeds);
}
bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, std::string &result, bool allow_linefeeds)
{
ConfigDataHash::size_type pos = index;
if (pos < target.count(tag))
{
ConfigDataHash::iterator iter = target.find(tag);
for(int i = 0; i < index; i++)
iter++;
for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
{
if(j->first == var)
{
if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
{
ServerInstance->Logs->Log("CONFIG",DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
if (*n == '\n')
*n = ' ';
}
else
{
result = j->second;
return true;
}
}
}
if (!default_value.empty())
{
result = default_value;
return true;
}
}
else if(pos == 0)
{
if (!default_value.empty())
{
result = default_value;
return true;
}
}
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 char* tag, const char* var, const char* default_value, int index, int &result)
{
return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result);
}
bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
{
return ConfValueInteger(target, tag, var, "", index, result);
}
bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result)
{
std::string value;
std::istringstream stream;
bool r = ConfValue(target, tag, var, default_value, index, value);
stream.str(value);
if(!(stream >> result))
return false;
else
{
if (!value.empty())
{
if (value.substr(0,2) == "0x")
{
char* endptr;
value.erase(0,2);
result = strtol(value.c_str(), &endptr, 16);
/* No digits found */
if (endptr == value.c_str())
return false;
}
else
{
char denominator = *(value.end() - 1);
switch (toupper(denominator))
{
case 'K':
/* Kilobytes -> bytes */
result = result * 1024;
break;
case 'M':
/* Megabytes -> bytes */
result = result * 1024 * 1024;
break;
case 'G':
/* Gigabytes -> bytes */
result = result * 1024 * 1024 * 1024;
break;
}
}
}
}
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 char* tag, const char* var, const char* default_value, int index)
{
return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index);
}
bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
{
return ConfValueBool(target, tag, var, "", index);
}
bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index)
{
std::string result;
if(!ConfValue(target, tag, var, default_value, 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 < target.count(tag))
{
ConfigDataHash::const_iterator iter = target.find(tag);
for(int i = 0; i < index; i++)
iter++;
return iter->second.size();
}
return 0;
}
/** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
*/
bool ServerConfig::ReadFile(file_cache &F, const char* fname)
{
if (!fname || !*fname)
return false;
FILE* file = NULL;
char linebuf[MAXBUF];
F.clear();
if ((*fname != '/') && (*fname != '\\'))
{
std::string::size_type pos;
std::string confpath = ServerInstance->ConfigFileName;
std::string newfile = fname;
if ((pos = confpath.rfind("/")) != std::string::npos)
newfile = confpath.substr(0, pos) + std::string("/") + fname;
else if ((pos = confpath.rfind("\\")) != std::string::npos)
newfile = confpath.substr(0, pos) + std::string("\\") + fname;
if (!FileExists(newfile.c_str()))
return false;
file = fopen(newfile.c_str(), "r");
}
else
{
if (!FileExists(fname))
return false;
file = fopen(fname, "r");
}
if (file)
{
while (!feof(file))
{
if (fgets(linebuf, sizeof(linebuf), file))
linebuf[strlen(linebuf)-1] = 0;
else
*linebuf = 0;
if (!feof(file))
{
F.push_back(*linebuf ? linebuf : " ");
}
}
fclose(file);
}
else
return false;
return true;
}
bool ServerConfig::FileExists(const char* file)
{
struct stat sb;
if (stat(file, &sb) == -1)
return false;
if ((sb.st_mode & S_IFDIR) > 0)
return false;
FILE *input;
if ((input = fopen (file, "r")) == NULL)
return false;
else
{
fclose(input);
return true;
}
}
char* ServerConfig::CleanFilename(char* name)
{
char* p = name + strlen(name);
while ((p != name) && (*p != '/') && (*p != '\\')) p--;
return (p != name ? ++p : p);
}
bool ServerConfig::DirValid(const char* dirandfile)
{
#ifdef WINDOWS
return true;
#endif
char work[1024];
char buffer[1024];
char otherdir[1024];
int p;
strlcpy(work, dirandfile, 1024);
p = strlen(work);
// we just want the dir
while (*work)
{
if (work[p] == '/')
{
work[p] = '\0';
break;
}
work[p--] = '\0';
}
// Get the current working directory
if (getcwd(buffer, 1024 ) == NULL )
return false;
if (chdir(work) == -1)
return false;
if (getcwd(otherdir, 1024 ) == NULL )
return false;
if (chdir(buffer) == -1)
return false;
size_t t = strlen(work);
if (strlen(otherdir) >= t)
{
otherdir[t] = '\0';
if (!strcmp(otherdir,work))
{
return true;
}
return false;
}
else
{
return false;
}
}
std::string ServerConfig::GetFullProgDir()
{
char buffer[PATH_MAX+1];
#ifdef WINDOWS
/* Windows has specific api calls to get the exe path that never fail.
* For once, windows has something of use, compared to the POSIX code
* for this, this is positively neato.
*/
if (GetModuleFileName(NULL, buffer, MAX_PATH))
{
std::string fullpath = buffer;
std::string::size_type n = fullpath.rfind("\\inspircd.exe");
return std::string(fullpath, 0, n);
}
#else
// Get the current working directory
if (getcwd(buffer, PATH_MAX))
{
std::string remainder = this->argv[0];
/* Does argv[0] start with /? its a full path, use it */
if (remainder[0] == '/')
{
std::string::size_type n = remainder.rfind("/inspircd");
return std::string(remainder, 0, n);
}
std::string fullpath = std::string(buffer) + "/" + remainder;
std::string::size_type n = fullpath.rfind("/inspircd");
return std::string(fullpath, 0, n);
}
#endif
return "/";
}
InspIRCd* ServerConfig::GetInstance()
{
return ServerInstance;
}
std::string ServerConfig::GetSID()
{
return sid;
}
ValueItem::ValueItem(int value)
{
std::stringstream n;
n << value;
v = n.str();
}
ValueItem::ValueItem(bool value)
{
std::stringstream n;
n << value;
v = n.str();
}
ValueItem::ValueItem(const char* value)
{
v = value;
}
void ValueItem::Set(const char* value)
{
v = value;
}
void ValueItem::Set(int value)
{
std::stringstream n;
n << value;
v = n.str();
}
int ValueItem::GetInteger()
{
if (v.empty())
return 0;
return atoi(v.c_str());
}
char* ValueItem::GetString()
{
return (char*)v.c_str();
}
bool ValueItem::GetBool()
{
return (GetInteger() || v == "yes" || v == "true");
}
/*
* XXX should this be in a class? -- w00t
*/
bool InitTypes(ServerConfig* conf, const char*)
{
if (conf->opertypes.size())
{
for (opertype_t::iterator n = conf->opertypes.begin(); n != conf->opertypes.end(); n++)
{
if (n->second)
delete[] n->second;
}
}
conf->opertypes.clear();
return true;
}
/*
* XXX should this be in a class? -- w00t
*/
bool InitClasses(ServerConfig* conf, const char*)
{
if (conf->operclass.size())
{
for (operclass_t::iterator n = conf->operclass.begin(); n != conf->operclass.end(); n++)
{
if (n->second)
delete[] n->second;
}
}
conf->operclass.clear();
return true;
}
/*
* XXX should this be in a class? -- w00t
*/
bool DoType(ServerConfig* conf, const char*, char**, ValueList &values, int*)
{
const char* TypeName = values[0].GetString();
const char* Classes = values[1].GetString();
conf->opertypes[TypeName] = strnewdup(Classes);
return true;
}
/*
* XXX should this be in a class? -- w00t
*/
bool DoClass(ServerConfig* conf, const char*, char**, ValueList &values, int*)
{
const char* ClassName = values[0].GetString();
const char* CommandList = values[1].GetString();
conf->operclass[ClassName] = strnewdup(CommandList);
return true;
}
/*
* XXX should this be in a class? -- w00t
*/
bool DoneClassesAndTypes(ServerConfig*, const char*)
{
return true;
}
bool InitXLine(ServerConfig* conf, const char* tag)
{
return true;
}
bool DoZLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
{
const char* reason = values[0].GetString();
const char* ipmask = values[1].GetString();
ZLine* zl = new ZLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ipmask);
if (!conf->GetInstance()->XLines->AddLine(zl, NULL))
delete zl;
return true;
}
bool DoQLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
{
const char* reason = values[0].GetString();
const char* nick = values[1].GetString();
QLine* ql = new QLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, nick);
if (!conf->GetInstance()->XLines->AddLine(ql, NULL))
delete ql;
return true;
}
bool DoKLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
{
const char* reason = values[0].GetString();
const char* host = values[1].GetString();
XLineManager* xlm = conf->GetInstance()->XLines;
IdentHostPair ih = xlm->IdentSplit(host);
KLine* kl = new KLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
if (!xlm->AddLine(kl, NULL))
delete kl;
return true;
}
bool DoELine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
{
const char* reason = values[0].GetString();
const char* host = values[1].GetString();
XLineManager* xlm = conf->GetInstance()->XLines;
IdentHostPair ih = xlm->IdentSplit(host);
ELine* el = new ELine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
if (!xlm->AddLine(el, NULL))
delete el;
return true;
}
// this should probably be moved to configreader, but atm it relies on CheckELines above.
bool DoneELine(ServerConfig* conf, const char* tag)
{
for (std::vector<User*>::const_iterator u2 = conf->GetInstance()->Users->local_users.begin(); u2 != conf->GetInstance()->Users->local_users.end(); u2++)
{
User* u = (User*)(*u2);
u->exempt = false;
}
conf->GetInstance()->XLines->CheckELines();
return true;
}
void ConfigReaderThread::Run()
{
ServerInstance->Config->Read(true, NULL, 0);
ServerInstance->Config->Read(true, NULL, 1);
}
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