]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/configreader.cpp
Change the SQLutils and SQL providers to also use interfaces for proper unload order...
[user/henk/code/inspircd.git] / src / configreader.cpp
index e0c46609784afc8cdcfa824f1bcff3043a91265e..a8b76b182472bb4976d5fa7c571e2c9bbb8d20f4 100644 (file)
@@ -16,6 +16,7 @@
 #include <fstream>
 #include "inspircd.h"
 #include "xline.h"
+#include "exitcodes.h"
 
 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
 
@@ -26,8 +27,9 @@ ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
        *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = '\0';
        *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
        *UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = '\0';
+       WhoWasGroupSize = WhoWasMaxGroups = WhoWasMaxKeep = 0;
        log_file = NULL;
-       NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = false;
+       NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = UndernetMsgPrefix = false;
        CycleHosts = writelog = AllowHalfop = true;
        dns_timeout = DieDelay = 5;
        MaxTargets = 20;
@@ -38,9 +40,6 @@ ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
        debugging = 0;
        LogLevel = DEFAULT;
        maxbans.clear();
-       WhoWasGroupSize = 10;
-       WhoWasMaxGroups = WhoWasGroupSize * MAXCLIENTS;
-       WhoWasMaxKeep = 3600*24*3; // 3 days
 }
 
 void ServerConfig::ClearStack()
@@ -132,9 +131,12 @@ void ServerConfig::Update005()
                        token_counter = 0;
                }
        }
-       char buf[MAXBUF];
-       snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
-       isupport.push_back(buf);
+       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(userrec* user)
@@ -152,7 +154,7 @@ bool ServerConfig::CheckOnce(char* tag, bool bail, userrec* user)
                if (bail)
                {
                        printf("There were errors in your configuration:\nYou have more than one <%s> tag, this is not permitted.\n",tag);
-                       InspIRCd::Exit(ERROR);
+                       InspIRCd::Exit(EXIT_STATUS_CONFIG);
                }
                else
                {
@@ -174,7 +176,7 @@ bool ServerConfig::CheckOnce(char* tag, bool bail, userrec* user)
                if (bail)
                {
                        printf("There were errors in your configuration:\nYou have not defined a <%s> tag, this is required.\n",tag);
-                       InspIRCd::Exit(ERROR);
+                       InspIRCd::Exit(EXIT_STATUS_CONFIG);
                }
                else
                {
@@ -224,15 +226,6 @@ bool ValidateMaxConn(ServerConfig* conf, const char* tag, const char* value, Val
 {
        if (data.GetInteger() > SOMAXCONN)
                conf->GetInstance()->Log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
-       if (!data.GetInteger())
-               data.Set(SOMAXCONN);
-       return true;
-}
-
-bool ValidateDnsTimeout(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
-{
-       if (!data.GetInteger())
-               data.Set(5);
        return true;
 }
 
@@ -296,14 +289,6 @@ bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, V
        return true;
 }
 
-bool ValidateModPath(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
-{
-       if (!*(data.GetString()))
-               data.Set(MOD_PATH);
-       return true;
-}
-
-
 bool ValidateServerName(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 {
        if (!strchr(data.GetString(),'.'))
@@ -552,7 +537,7 @@ void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail,
        {
                /* Unneeded because of the ServerInstance->Log() aboive? */
                printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
-               InspIRCd::Exit(ERROR);
+               InspIRCd::Exit(EXIT_STATUS_CONFIG);
        }
        else
        {
@@ -588,6 +573,7 @@ void ServerConfig::Read(bool bail, userrec* user)
 {
        static char debug[MAXBUF];      /* Temporary buffer for debugging value */
        static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
+       static char somax[MAXBUF];      /* Temporary buffer for SOMAXCONN default */
        int rem = 0, add = 0;           /* Number of modules added, number of modules removed */
        std::ostringstream errstr;      /* String stream containing the error output */
 
@@ -596,43 +582,43 @@ void ServerConfig::Read(bool bail, userrec* user)
 
        /* These tags can occur ONCE or not at all */
        InitialConfig Values[] = {
-               {"options",             "softlimit",                    new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER, ValidateSoftLimit},
-               {"options",             "somaxconn",                    new ValueContainerInt  (&this->MaxConn),                DT_INTEGER, ValidateMaxConn},
-               {"server",              "name",                         new ValueContainerChar (this->ServerName),              DT_CHARPTR, ValidateServerName},
-               {"server",              "description",                  new ValueContainerChar (this->ServerDesc),              DT_CHARPTR, NoValidation},
-               {"server",              "network",                      new ValueContainerChar (this->Network),                 DT_CHARPTR, NoValidation},
-               {"admin",               "name",                         new ValueContainerChar (this->AdminName),               DT_CHARPTR, NoValidation},
-               {"admin",               "email",                        new ValueContainerChar (this->AdminEmail),              DT_CHARPTR, NoValidation},
-               {"admin",               "nick",                         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, NoValidation},      
-               {"power",               "pause",                        new ValueContainerInt  (&this->DieDelay),               DT_INTEGER, NoValidation},
-               {"power",               "restartpass",                  new ValueContainerChar (this->restartpass),             DT_CHARPTR, NoValidation},
-               {"options",             "prefixquit",                   new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR, NoValidation},
-               {"options",             "loglevel",                     new ValueContainerChar (debug),                         DT_CHARPTR, ValidateLogLevel},
-               {"options",             "netbuffersize",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER, ValidateNetBufferSize},
-               {"options",             "maxwho",                       new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER, ValidateMaxWho},
-               {"options",             "allowhalfop",                  new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN, NoValidation},
-               {"dns",                 "server",                       new ValueContainerChar (this->DNSServer),               DT_CHARPTR, ValidateDnsServer},
-               {"dns",                 "timeout",                      new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER, ValidateDnsTimeout},
-               {"options",             "moduledir",                    new ValueContainerChar (this->ModPath),                 DT_CHARPTR, ValidateModPath},
-               {"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",                   new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN, NoValidation},
-               {"options",             "hidebans",                     new ValueContainerBool (&this->HideBans),               DT_BOOLEAN, NoValidation},
-               {"options",             "hidewhois",                    new ValueContainerChar (this->HideWhoisServer),         DT_CHARPTR, NoValidation},
-               {"options",             "operspywhois",                 new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN, NoValidation},
-               {"options",             "nouserdns",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN, NoValidation},
-               {"options",             "syntaxhints",                  new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN, NoValidation},
-               {"options",             "cyclehosts",                   new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN, NoValidation},
-               {"options",             "ircumsgprefix",                new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN, NoValidation},
-               {"pid",                 "file",                         new ValueContainerChar (this->PID),                     DT_CHARPTR, NoValidation},
-               {"whowas",              "groupsize",                    new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER, NoValidation},
-               {"whowas",              "maxgroups",                    new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER, NoValidation},
-               {"whowas",              "maxkeep",                      new ValueContainerChar (maxkeep),                       DT_CHARPTR, ValidateWhoWas},
-               {"die",                 "value",                        new ValueContainerChar (this->DieValue),                DT_CHARPTR, NoValidation},
+               {"options",     "softlimit",    MAXCLIENTS_S,           new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER, ValidateSoftLimit},
+               {"options",     "somaxconn",    SOMAXCONN_S,            new ValueContainerInt  (&this->MaxConn),                DT_INTEGER, ValidateMaxConn},
+               {"server",      "name",         "",                     new ValueContainerChar (this->ServerName),              DT_CHARPTR, ValidateServerName},
+               {"server",      "description",  "Configure Me",         new ValueContainerChar (this->ServerDesc),              DT_CHARPTR, NoValidation},
+               {"server",      "network",      "Network",              new ValueContainerChar (this->Network),                 DT_CHARPTR, NoValidation},
+               {"admin",       "name",         "Miss Configured",      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, NoValidation},      
+               {"power",       "pause",        "",                     new ValueContainerInt  (&this->DieDelay),               DT_INTEGER, NoValidation},
+               {"power",       "restartpass",  "",                     new ValueContainerChar (this->restartpass),             DT_CHARPTR, NoValidation},
+               {"options",     "prefixquit",   "",                     new ValueContainerChar (this->PrefixQuit),              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_CHARPTR, ValidateDnsServer},
+               {"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_CHARPTR, 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},
+               {"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},
                {NULL}
        };
 
@@ -644,52 +630,63 @@ void ServerConfig::Read(bool bail, userrec* user)
                {"connect",
                                {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
                                "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    NULL},
+                               {"",            "",             "",             "",             "",             "",
+                                "",            "",             "",             "",             "",             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},
+                               {"",            NULL},
                                {DT_CHARPTR},
                                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_CHARPTR},
                                InitXLine, DoZLine, DoneXLine},
 
                {"badnick",
                                {"reason",      "nick",         NULL},
+                               {"No reason",   "",             NULL},
                                {DT_CHARPTR,    DT_CHARPTR},
                                InitXLine, DoQLine, DoneXLine},
 
                {"badhost",
                                {"reason",      "host",         NULL},
+                               {"No reason",   "",             NULL},
                                {DT_CHARPTR,    DT_CHARPTR},
                                InitXLine, DoKLine, DoneXLine},
 
                {"exception",
                                {"reason",      "host",         NULL},
+                               {"No reason",   "",             NULL},
                                {DT_CHARPTR,    DT_CHARPTR},
                                InitXLine, DoELine, DoneXLine},
 
                {"type",
                                {"name",        "classes",      NULL},
+                               {"",            "",             NULL},
                                {DT_CHARPTR,    DT_CHARPTR},
                                InitTypes, DoType, DoneClassesAndTypes},
 
                {"class",
                                {"name",        "commands",     NULL},
+                               {"",            "",             NULL},
                                {DT_CHARPTR,    DT_CHARPTR},
                                InitClasses, DoClass, DoneClassesAndTypes},
 
@@ -732,7 +729,7 @@ void ServerConfig::Read(bool bail, userrec* user)
                        bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
                        dt &= ~DT_ALLOW_NEWLINE;
 
-                       ConfValue(this->config_data, Values[Index].tag, Values[Index].value, 0, item, MAXBUF, allow_newlines);
+                       ConfValue(this->config_data, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines);
                        ValueItem vi(item);
 
                        Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi);
@@ -792,20 +789,24 @@ void ServerConfig::Read(bool bail, userrec* user)
                                                case DT_CHARPTR:
                                                {
                                                        char item[MAXBUF];
-                                                       ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum, item, MAXBUF, allow_newlines);
-                                                       vl.push_back(ValueItem(item));
+                                                       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;
-                                                       ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum, item);
-                                                       vl.push_back(ValueItem(item));
+                                                       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], tagnum);
+                                                       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;
@@ -1256,14 +1257,24 @@ bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, st
 }
 
 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), index, value, allow_linefeeds);
+       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 >= 0) && (pos < target.count(tag)))
@@ -1291,44 +1302,76 @@ bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, con
                                }
                        }
                }
+               if (!default_value.empty())
+               {
+                       result = default_value;
+                       ServerInstance->Log(DEBUG, "No config option for '%s' in tag <%s> using default: %s", var.c_str(), tag.c_str(), default_value.c_str());
+                       return true;
+               }
        }
        else if(pos == 0)
        {
+               if (!default_value.empty())
+               {
+                       result = default_value;
+                       ServerInstance->Log(DEBUG, "No <%s:%s> tags in config file using default: %s", tag.c_str(), var.c_str(), default_value.c_str());
+                       return true;
+               }
                ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
        }
        else
        {
                ServerInstance->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);
+       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, index, value);
+       bool r = ConfValue(target, tag, var, default_value, 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);
+       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, index, result))
+       if(!ConfValue(target, tag, var, default_value, index, result))
                return false;
        
        return ((result == "yes") || (result == "true") || (result == "1"));