New "chroot" feature (from Benjamin Pineau), introducing new configuration

[ngircd-alex.git] / src / ngircd / conf.c

diff --git a/src/ngircd/conf.c b/src/ngircd/conf.c
index 9587b5fabb40c5bad09452f9b3f8f9967c37f2ee..1ea1fe741ef3397c35a6d151c1bac575c4c1eec7 100644 (file)
--- a/src/ngircd/conf.c
+++ b/src/ngircd/conf.c
@@ -14,7 +14,7 @@
 
 #include "portab.h"
 
-static char UNUSED id[] = "$Id: conf.c,v 1.58 2003/04/27 11:46:52 alex Exp $";
+static char UNUSED id[] = "$Id: conf.c,v 1.64 2004/05/07 11:19:21 alex Exp $";
 
 #include "imp.h"
 #include <assert.h>
@@ -23,6 +23,7 @@ static char UNUSED id[] = "$Id: conf.c,v 1.58 2003/04/27 11:46:52 alex Exp $";
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <strings.h>
 #include <unistd.h>
 #include <pwd.h>
 #include <grp.h>
@@ -113,6 +114,8 @@ Conf_Test( VOID )
        printf( "  AdminInfo2 = %s\n", Conf_ServerAdmin2 );
        printf( "  AdminEMail = %s\n", Conf_ServerAdminMail );
        printf( "  MotdFile = %s\n", Conf_MotdFile );
+       printf( "  MotdPhrase = %s\n", Conf_MotdPhrase );
+       printf( "  ChrootDir= %s\n", Conf_Chroot );
        printf( "  Ports = " );
        for( i = 0; i < Conf_ListenPorts_Count; i++ )
        {
@@ -120,6 +123,7 @@ Conf_Test( VOID )
                printf( "%u", Conf_ListenPorts[i] );
        }
        puts( "" );
+       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 );
@@ -132,6 +136,8 @@ Conf_Test( VOID )
        printf( "  OperCanUseMode = %s\n", Conf_OperCanMode == TRUE ? "yes" : "no" );
        if( Conf_MaxConnections > 0 ) printf( "  MaxConnections = %ld\n", Conf_MaxConnections );
        else printf( "  MaxConnections = -1\n" );
+       if( Conf_MaxConnectionsIP > 0 ) printf( "  MaxConnectionsIP = %d\n", Conf_MaxConnectionsIP );
+       else printf( "  MaxConnectionsIP = -1\n" );
        if( Conf_MaxJoins > 0 ) printf( "  MaxJoins = %d\n", Conf_MaxJoins );
        else printf( "  MaxJoins = -1\n" );
        puts( "" );
@@ -339,7 +345,12 @@ Set_Defaults( BOOLEAN InitServers )
        strlcpy( Conf_MotdFile, SYSCONFDIR, sizeof( Conf_MotdFile ));
        strlcat( Conf_MotdFile, MOTD_FILE, sizeof( Conf_MotdFile ));
 
+       strlcpy( Conf_MotdPhrase, MOTD_PHRASE, sizeof( Conf_MotdPhrase ));
+
+       strlcpy( Conf_Chroot, CHROOT_DIR, sizeof( Conf_Chroot ));
+
        Conf_ListenPorts_Count = 0;
+       strcpy( Conf_ListenAddress, "" );
 
        Conf_UID = Conf_GID = 0;
        
@@ -354,6 +365,7 @@ Set_Defaults( BOOLEAN InitServers )
        Conf_OperCanMode = FALSE;
        
        Conf_MaxConnections = -1;
+       Conf_MaxConnectionsIP = 5;
        Conf_MaxJoins = 10;
 
        /* Initialize server configuration structures */
@@ -607,6 +619,18 @@ Handle_GLOBAL( INT Line, CHAR *Var, CHAR *Arg )
                if( strlcpy( Conf_MotdFile, Arg, sizeof( Conf_MotdFile )) >= sizeof( Conf_MotdFile )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"MotdFile\" too long!", NGIRCd_ConfFile, Line );
                return;
        }
+       if( strcasecmp( Var, "MotdPhrase" ) == 0 )
+       {
+               /* "Message of the day" phrase (instead of file) */
+               if( strlcpy( Conf_MotdPhrase, Arg, sizeof( Conf_MotdPhrase )) >= sizeof( Conf_MotdPhrase )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"MotdPhrase\" too long!", NGIRCd_ConfFile, Line );
+               return;
+       }
+       if( strcasecmp( Var, "ChrootDir" ) == 0 )
+       {
+               /* directory for chroot() */
+               if( strlcpy( Conf_Chroot, Arg, sizeof( Conf_Chroot )) >= sizeof( Conf_Chroot )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"ChrootDir\" too long!", NGIRCd_ConfFile, Line );
+               return;
+       }
        if( strcasecmp( Var, "ServerUID" ) == 0 )
        {
                /* UID the daemon should switch to */
@@ -615,7 +639,7 @@ Handle_GLOBAL( INT Line, CHAR *Var, CHAR *Arg )
                else
                {
 #ifdef HAVE_ISDIGIT
-                       if( ! isdigit( *Arg )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"ServerUID\" is not a number!", NGIRCd_ConfFile, Line );
+                       if( ! isdigit( (INT)*Arg )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"ServerUID\" is not a number!", NGIRCd_ConfFile, Line );
                        else
 #endif
                        Conf_UID = (UINT)atoi( Arg );
@@ -630,7 +654,7 @@ Handle_GLOBAL( INT Line, CHAR *Var, CHAR *Arg )
                else
                {
 #ifdef HAVE_ISDIGIT
-                       if( ! isdigit( *Arg )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"ServerGID\" is not a number!", NGIRCd_ConfFile, Line );
+                       if( ! isdigit( (INT)*Arg )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"ServerGID\" is not a number!", NGIRCd_ConfFile, Line );
                        else
 #endif
                        Conf_GID = (UINT)atoi( Arg );
@@ -683,22 +707,41 @@ Handle_GLOBAL( INT Line, CHAR *Var, CHAR *Arg )
        {
                /* Maximum number of connections. Values <= 0 are equal to "no limit". */
 #ifdef HAVE_ISDIGIT
-               if( ! isdigit( *Arg )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"MaxConnections\" is not a number!", NGIRCd_ConfFile, Line );
+               if( ! isdigit( (INT)*Arg )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"MaxConnections\" is not a number!", NGIRCd_ConfFile, Line );
                else
 #endif
                Conf_MaxConnections = atol( Arg );
                return;
        }
+       if( strcasecmp( Var, "MaxConnectionsIP" ) == 0 )
+       {
+               /* Maximum number of simoultanous connections from one IP. Values <= 0 are equal to "no limit". */
+#ifdef HAVE_ISDIGIT
+               if( ! isdigit( (INT)*Arg )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"MaxConnectionsIP\" is not a number!", NGIRCd_ConfFile, Line );
+               else
+#endif
+               Conf_MaxConnectionsIP = atoi( Arg );
+               return;
+       }
        if( strcasecmp( Var, "MaxJoins" ) == 0 )
        {
                /* Maximum number of channels a user can join. Values <= 0 are equal to "no limit". */
 #ifdef HAVE_ISDIGIT
-               if( ! isdigit( *Arg )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"MaxJoins\" is not a number!", NGIRCd_ConfFile, Line );
+               if( ! isdigit( (INT)*Arg )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"MaxJoins\" is not a number!", NGIRCd_ConfFile, Line );
                else
 #endif
                Conf_MaxJoins = atoi( Arg );
                return;
        }
+       if( strcasecmp( Var, "Listen" ) == 0 )
+       {
+               /* IP-Address to bind sockets */
+               if( strlcpy( Conf_ListenAddress, Arg, sizeof( Conf_ListenAddress )) >= sizeof( Conf_ListenAddress ))
+               {
+                       Config_Error( LOG_WARNING, "%s, line %d: Value of \"Listen\" too long!", NGIRCd_ConfFile, Line );
+               }
+               return;
+       }
 
        Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
 } /* Handle_GLOBAL */
@@ -777,7 +820,7 @@ Handle_SERVER( INT Line, CHAR *Var, CHAR *Arg )
        {
                /* Server group */
 #ifdef HAVE_ISDIGIT
-               if( ! isdigit( *Arg )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"Group\" is not a number!", NGIRCd_ConfFile, Line );
+               if( ! isdigit( (INT)*Arg )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"Group\" is not a number!", NGIRCd_ConfFile, Line );
                else
 #endif
                New_Server.group = atoi( Arg );
@@ -830,7 +873,18 @@ Validate_Config( BOOLEAN Configtest )
        if( ! Conf_ServerName[0] )
        {
                /* No server name configured! */
-               Config_Error( LOG_ALERT, "No server name configured in \"%s\" ('ServerName')!", NGIRCd_ConfFile );
+               Config_Error( LOG_ALERT, "No server name configured in \"%s\" (section 'Global': 'Name')!", NGIRCd_ConfFile );
+               if( ! Configtest )
+               {
+                       Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME );
+                       exit( 1 );
+               }
+       }
+       
+       if( Conf_ServerName[0] && ! strchr( Conf_ServerName, '.' ))
+       {
+               /* No dot in server name! */
+               Config_Error( LOG_ALERT, "Invalid server name configured in \"%s\" (section 'Global': 'Name'): Dot missing!", NGIRCd_ConfFile );
                if( ! Configtest )
                {
                        Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME );