#include "portab.h"
-static char UNUSED id[] = "$Id: conf.c,v 1.96 2006/11/20 19:32:07 fw Exp $";
+static char UNUSED id[] = "$Id: conf.c,v 1.105 2008/03/18 20:12:47 fw Exp $";
#include "imp.h"
#include <assert.h>
static int New_Server_Idx;
+#ifdef WANT_IPV6
+/*
+ * these options appeared in ngircd 0.12; they are here
+ * for backwards compatibility. They should be removed
+ * in the future. Instead of setting these options,
+ * the "Listen" option should be set accordingly.
+ */
+static bool Conf_ListenIPv6;
+static bool Conf_ListenIPv4;
+#endif
+
+
static void Set_Defaults PARAMS(( bool InitServers ));
-static void Read_Config PARAMS(( void ));
-static void Validate_Config PARAMS(( bool TestOnly, bool Rehash ));
+static bool Read_Config PARAMS(( bool ngircd_starting ));
+static bool Validate_Config PARAMS(( bool TestOnly, bool Rehash ));
static void Handle_GLOBAL PARAMS(( int Line, char *Var, char *Arg ));
static void Handle_OPERATOR PARAMS(( int Line, char *Var, char *Arg ));
GLOBAL void
Conf_Init( void )
{
- Set_Defaults( true );
- Read_Config( );
+ Read_Config( true );
Validate_Config(false, false);
} /* Config_Init */
-GLOBAL void
+GLOBAL bool
Conf_Rehash( void )
{
- Set_Defaults( false );
- Read_Config( );
+ if (!Read_Config(false))
+ return false;
Validate_Config(false, true);
/* Update CLIENT structure of local server */
Client_SetInfo(Client_ThisServer(), Conf_ServerInfo);
+ return true;
} /* Config_Rehash */
+static const char*
+yesno_to_str(int boolean_value)
+{
+ if (boolean_value)
+ return "yes";
+ return "no";
+}
+
+
GLOBAL int
Conf_Test( void )
{
struct group *grp;
unsigned int i;
char *topic;
+ bool config_valid;
Use_Log = false;
- Set_Defaults( true );
- Read_Config( );
- Validate_Config(true, false);
+ if (! Read_Config(true))
+ return 1;
+
+ config_valid = Validate_Config(true, false);
/* If stdin and stdout ("you can read our nice message and we can
* read in your keypress") are valid tty's, wait for a key: */
fputs(" Ports = ", stdout);
ports_puts(&Conf_ListenPorts);
-
- printf( " Listen = %s\n", Conf_ListenAddress );
+ printf(" Listen = %s\n", Conf_ListenAddress);
pwd = getpwuid( Conf_UID );
if( pwd ) printf( " ServerUID = %s\n", pwd->pw_name );
else printf( " ServerUID = %ld\n", (long)Conf_UID );
printf( " PingTimeout = %d\n", Conf_PingTimeout );
printf( " PongTimeout = %d\n", Conf_PongTimeout );
printf( " ConnectRetry = %d\n", Conf_ConnectRetry );
- printf( " OperCanUseMode = %s\n", Conf_OperCanMode == true ? "yes" : "no" );
- printf( " OperServerMode = %s\n", Conf_OperServerMode == true? "yes" : "no" );
- printf( " PredefChannelsOnly = %s\n", Conf_PredefChannelsOnly == true ? "yes" : "no" );
- printf( " MaxConnections = %ld\n", Conf_MaxConnections>0 ? Conf_MaxConnections : -1);
- printf( " MaxConnectionsIP = %d\n", Conf_MaxConnectionsIP>0 ? Conf_MaxConnectionsIP : -1);
- printf( " MaxJoins = %d\n\n", Conf_MaxJoins>0 ? Conf_MaxJoins : -1);
+ printf( " OperCanUseMode = %s\n", yesno_to_str(Conf_OperCanMode));
+ printf( " OperServerMode = %s\n", yesno_to_str(Conf_OperServerMode));
+ printf( " PredefChannelsOnly = %s\n", yesno_to_str(Conf_PredefChannelsOnly));
+ printf( " NoDNS = %s\n", yesno_to_str(Conf_NoDNS));
+
+#ifdef WANT_IPV6
+ /* both are deprecated, only mention them if their default value changed. */
+ if (!Conf_ListenIPv6)
+ puts(" ListenIPv6 = no");
+ if (!Conf_ListenIPv4)
+ puts(" ListenIPv4 = no");
+ printf(" ConnectIPv4 = %s\n", yesno_to_str(Conf_ConnectIPv6));
+ printf(" ConnectIPv6 = %s\n", yesno_to_str(Conf_ConnectIPv4));
+#endif
+ printf( " MaxConnections = %ld\n", Conf_MaxConnections);
+ printf( " MaxConnectionsIP = %d\n", Conf_MaxConnectionsIP);
+ printf( " MaxJoins = %d\n", Conf_MaxJoins>0 ? Conf_MaxJoins : -1);
+ printf( " MaxNickLength = %u\n\n", Conf_MaxNickLength - 1);
for( i = 0; i < Conf_Oper_Count; i++ ) {
if( ! Conf_Oper[i].name[0] ) continue;
printf( " Port = %u\n", (unsigned int)Conf_Server[i].port );
printf( " MyPassword = %s\n", Conf_Server[i].pwd_in );
printf( " PeerPassword = %s\n", Conf_Server[i].pwd_out );
- printf( " Group = %d\n\n", Conf_Server[i].group );
+ printf( " Group = %d\n", Conf_Server[i].group );
+ printf( " Passive = %s\n\n", Conf_Server[i].flags & CONF_SFLAG_DISABLED ? "yes" : "no");
}
for( i = 0; i < Conf_Channel_Count; i++ ) {
puts( "[CHANNEL]" );
printf( " Name = %s\n", Conf_Channel[i].name );
printf( " Modes = %s\n", Conf_Channel[i].modes );
+ printf( " Key = %s\n", Conf_Channel[i].key );
+ printf( " MaxUsers = %lu\n", Conf_Channel[i].maxusers );
topic = (char*)array_start(&Conf_Channel[i].topic);
printf( " Topic = %s\n\n", topic ? topic : "");
}
- return 0;
+ return (config_valid ? 0 : 1);
} /* Conf_Test */
} /* Conf_EnableServer */
+GLOBAL bool
+Conf_EnablePassiveServer(const char *Name)
+{
+ /* Enable specified server */
+ int i;
+
+ assert( Name != NULL );
+ for (i = 0; i < MAX_SERVERS; i++) {
+ if ((strcasecmp( Conf_Server[i].name, Name ) == 0) && (Conf_Server[i].port > 0)) {
+ /* BINGO! Enable server */
+ Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
+ return true;
+ }
+ }
+ return false;
+} /* Conf_EnablePassiveServer */
+
+
GLOBAL bool
Conf_DisableServer( char *Name )
{
strlcpy( Conf_PidFile, PID_FILE, sizeof( Conf_PidFile ));
- strcpy( Conf_ListenAddress, "" );
-
+ free(Conf_ListenAddress);
+ Conf_ListenAddress = NULL;
Conf_UID = Conf_GID = 0;
Conf_PingTimeout = 120;
Conf_Channel_Count = 0;
Conf_OperCanMode = false;
+ Conf_NoDNS = false;
Conf_PredefChannelsOnly = false;
Conf_OperServerMode = false;
- Conf_MaxConnections = -1;
+ Conf_ConnectIPv4 = true;
+ Conf_ConnectIPv6 = true;
+#ifdef WANT_IPV6
+ Conf_ListenIPv4 = true;
+ Conf_ListenIPv6 = true;
+#endif
+ Conf_MaxConnections = 0;
Conf_MaxConnectionsIP = 5;
Conf_MaxJoins = 10;
+ Conf_MaxNickLength = CLIENT_NICK_LEN_DEFAULT;
/* Initialize server configuration structures */
if( InitServers ) for( i = 0; i < MAX_SERVERS; Init_Server_Struct( &Conf_Server[i++] ));
} /* Set_Defaults */
-static void
-Read_Config( void )
+static bool
+Read_Config( bool ngircd_starting )
{
/* Read configuration file. */
/* No configuration file found! */
Config_Error( LOG_ALERT, "Can't read configuration \"%s\": %s",
NGIRCd_ConfFile, strerror( errno ));
+ if (!ngircd_starting)
+ return false;
Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME );
exit( 1 );
}
+ Set_Defaults( ngircd_starting );
+
Config_Error( LOG_INFO, "Reading configuration from \"%s\" ...", NGIRCd_ConfFile );
/* Clean up server configuration structure: mark all already
/* Initialize new channel structure */
strcpy( Conf_Channel[Conf_Channel_Count].name, "" );
strcpy( Conf_Channel[Conf_Channel_Count].modes, "" );
+ strcpy( Conf_Channel[Conf_Channel_Count].key, "" );
+ Conf_Channel[Conf_Channel_Count].maxusers = 0;
array_free(&Conf_Channel[Conf_Channel_Count].topic);
Conf_Channel_Count++;
}
exit( 1 );
}
}
+
+ if (!Conf_ListenAddress) {
+ /* no Listen addresses configured, use default */
+#ifdef WANT_IPV6
+ /* Conf_ListenIPv6/4 should no longer be used */
+ if (Conf_ListenIPv6 && Conf_ListenIPv4)
+ Conf_ListenAddress = strdup_warn("::,0.0.0.0");
+ else if (Conf_ListenIPv6)
+ Conf_ListenAddress = strdup_warn("::");
+ else
+#endif
+ Conf_ListenAddress = strdup_warn("0.0.0.0");
+ }
+ if (!Conf_ListenAddress) {
+ Config_Error(LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME);
+ exit(1);
+ }
+ return true;
} /* Read_Config */
} /* Check_ArgIsTrue */
+static unsigned int Handle_MaxNickLength(int Line, const char *Arg)
+{
+ unsigned new;
+
+ new = (unsigned) atoi(Arg) + 1;
+ if (new > CLIENT_NICK_LEN) {
+ Config_Error(LOG_WARNING,
+ "%s, line %d: Value of \"MaxNickLength\" exceeds %u!",
+ NGIRCd_ConfFile, Line, CLIENT_NICK_LEN - 1);
+ return CLIENT_NICK_LEN;
+ }
+ if (new < 2) {
+ Config_Error(LOG_WARNING,
+ "%s, line %d: Value of \"MaxNickLength\" must be at least 1!",
+ NGIRCd_ConfFile, Line);
+ return 2;
+ }
+ return new;
+} /* Handle_MaxNickLength */
+
+
static void
Handle_GLOBAL( int Line, char *Var, char *Arg )
{
Conf_PredefChannelsOnly = Check_ArgIsTrue( Arg );
return;
}
+ if( strcasecmp( Var, "NoDNS" ) == 0 ) {
+ /* don't do reverse dns lookups when clients connect? */
+ Conf_NoDNS = Check_ArgIsTrue( Arg );
+ return;
+ }
+#ifdef WANT_IPV6
+ /* the default setting for all the WANT_IPV6 special options is 'true' */
+ if (strcasecmp(Var, "ListenIPv6") == 0) { /* DEPRECATED, option appeared in 0.12.0 */
+ /*
+ * listen on ipv6 sockets, if available?
+ * Deprecated use "Listen = 0.0.0.0" (or, rather, do not list "::")
+ */
+ Conf_ListenIPv6 = Check_ArgIsTrue( Arg );
+ Config_Error(LOG_WARNING, "%s, line %d: %s=%s is deprecated, %sinclude '::' in \"Listen =\" option instead",
+ NGIRCd_ConfFile, Line, Var, yesno_to_str(Conf_ListenIPv6), Conf_ListenIPv6 ? " ":"do not ");
+ return;
+ }
+ if (strcasecmp(Var, "ListenIPv4") == 0) { /* DEPRECATED, option appeared in 0.12.0 */
+ /*
+ * listen on ipv4 sockets, if available?
+ * this allows "ipv6-only" setups
+ * Deprecated use "Listen = ::" (or, rather, do not list "0.0.0.0")
+ */
+ Conf_ListenIPv4 = Check_ArgIsTrue( Arg );
+ Config_Error(LOG_WARNING, "%s, line %d: %s=%s is deprecated, %sinclude '0.0.0.0' in \"Listen =\" option instead",
+ NGIRCd_ConfFile, Line, Var, yesno_to_str(Conf_ListenIPv4), Conf_ListenIPv4 ? " ":"do not ");
+ return;
+ }
+ if( strcasecmp( Var, "ConnectIPv6" ) == 0 ) {
+ /* connect to other hosts using ipv6, if they have an AAAA record? */
+ Conf_ConnectIPv6 = Check_ArgIsTrue( Arg );
+ return;
+ }
+ if( strcasecmp( Var, "ConnectIPv4" ) == 0 ) {
+ /* connect to other hosts using ipv4.
+ * again, this can be used for ipv6-only setups */
+ Conf_ConnectIPv4 = Check_ArgIsTrue( Arg );
+ return;
+ }
+#endif
if( strcasecmp( Var, "OperCanUseMode" ) == 0 ) {
/* Are IRC operators allowed to use MODE in channels they aren't Op in? */
Conf_OperCanMode = Check_ArgIsTrue( Arg );
return;
}
if( strcasecmp( Var, "MaxConnections" ) == 0 ) {
- /* Maximum number of connections. Values <= 0 are equal to "no limit". */
+ /* Maximum number of connections. 0 -> "no limit". */
#ifdef HAVE_ISDIGIT
if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var);
else
return;
}
if( strcasecmp( Var, "MaxConnectionsIP" ) == 0 ) {
- /* Maximum number of simultaneous connections from one IP. Values <= 0 -> "no limit" */
+ /* Maximum number of simultaneous connections from one IP. 0 -> "no limit" */
#ifdef HAVE_ISDIGIT
if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
else
return;
}
if( strcasecmp( Var, "MaxJoins" ) == 0 ) {
- /* Maximum number of channels a user can join. Values <= 0 are equal to "no limit". */
+ /* Maximum number of channels a user can join. 0 -> "no limit". */
#ifdef HAVE_ISDIGIT
if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
else
Conf_MaxJoins = atoi( Arg );
return;
}
+ if( strcasecmp( Var, "MaxNickLength" ) == 0 ) {
+ /* Maximum length of a nick name; must be same on all servers
+ * within the IRC network! */
+ Conf_MaxNickLength = Handle_MaxNickLength(Line, Arg);
+ return;
+ }
+
if( strcasecmp( Var, "Listen" ) == 0 ) {
/* IP-Address to bind sockets */
- len = strlcpy( Conf_ListenAddress, Arg, sizeof( Conf_ListenAddress ));
- if (len >= sizeof( Conf_ListenAddress ))
- Config_Error_TooLong( Line, Var );
+ if (Conf_ListenAddress) {
+ Config_Error(LOG_ERR, "Multiple Listen= options, ignoring: %s", Arg);
+ return;
+ }
+ Conf_ListenAddress = strdup_warn(Arg);
+ /*
+ * if allocation fails, we're in trouble:
+ * we cannot ignore the error -- otherwise ngircd
+ * would listen on all interfaces.
+ */
+ if (!Conf_ListenAddress) {
+ Config_Error(LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME);
+ exit(1);
+ }
return;
}
-
- Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Unknown variable \"%s\"!",
- NGIRCd_ConfFile, Line, Var );
+ Config_Error(LOG_ERR, "%s, line %d (section \"Global\"): Unknown variable \"%s\"!",
+ NGIRCd_ConfFile, Line, Var);
} /* Handle_GLOBAL */
Config_Error_TooLong( Line, Var );
return;
}
+ if (strcasecmp(Var, "Bind") == 0) {
+ if (ng_ipaddr_init(&New_Server.bind_addr, Arg, 0))
+ return;
+
+ Config_Error(LOG_ERR, "%s, line %d (section \"Server\"): Can't parse IP address \"%s\"",
+ NGIRCd_ConfFile, Line, Arg);
+ return;
+ }
if( strcasecmp( Var, "MyPassword" ) == 0 ) {
/* Password of this server which is sent to the peer */
if (*Arg == ':') {
New_Server.group = atoi( Arg );
return;
}
+ if( strcasecmp( Var, "Passive" ) == 0 ) {
+ if (Check_ArgIsTrue(Arg))
+ New_Server.flags |= CONF_SFLAG_DISABLED;
+ return;
+ }
Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Unknown variable \"%s\"!",
NGIRCd_ConfFile, Line, Var );
return;
}
+ if( strcasecmp( Var, "Key" ) == 0 ) {
+ /* Initial Channel Key (mode k) */
+ len = strlcpy(Conf_Channel[chancount].key, Arg, sizeof(Conf_Channel[chancount].key));
+ if (len >= sizeof( Conf_Channel[chancount].key ))
+ Config_Error_TooLong(Line, Var);
+ return;
+ }
+
+ if( strcasecmp( Var, "MaxUsers" ) == 0 ) {
+ /* maximum user limit, mode l */
+ Conf_Channel[chancount].maxusers = (unsigned long) atol(Arg);
+ if (Conf_Channel[chancount].maxusers == 0)
+ Config_Error_NaN(Line, Var);
+ return;
+ }
+
Config_Error( LOG_ERR, "%s, line %d (section \"Channel\"): Unknown variable \"%s\"!",
NGIRCd_ConfFile, Line, Var );
} /* Handle_CHANNEL */
-static void
+static bool
Validate_Config(bool Configtest, bool Rehash)
{
/* Validate configuration settings. */
#ifdef DEBUG
int i, servers, servers_once;
#endif
+ bool config_valid = true;
char *ptr;
/* Validate configured server name, see RFC 2812 section 2.3.1 */
if (!Conf_ServerName[0]) {
/* No server name configured! */
+ config_valid = false;
Config_Error(LOG_ALERT,
"No (valid) server name configured in \"%s\" (section 'Global': 'Name')!",
NGIRCd_ConfFile);
if (Conf_ServerName[0] && !strchr(Conf_ServerName, '.')) {
/* No dot in server name! */
+ config_valid = false;
Config_Error(LOG_ALERT,
"Invalid server name configured in \"%s\" (section 'Global': 'Name'): Dot missing!",
NGIRCd_ConfFile);
#ifdef STRICT_RFC
if (!Conf_ServerAdminMail[0]) {
/* No administrative contact configured! */
+ config_valid = false;
Config_Error(LOG_ALERT,
"No administrator email address configured in \"%s\" ('AdminEMail')!",
NGIRCd_ConfFile);
"Configuration: Operators=%d, Servers=%d[%d], Channels=%d",
Conf_Oper_Count, servers, servers_once, Conf_Channel_Count);
#endif
+
+ return config_valid;
} /* Validate_Config */
Resolve_Init(&Server->res_stat);
Server->conn_id = NONE;
+ memset(&Server->bind_addr, 0, sizeof(&Server->bind_addr));
} /* Init_Server_Struct */