--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/configfile.c	Fri May 05 22:45:56 2000 +0100
@@ -0,0 +1,400 @@
+/*
+  configfile.c
+
+  The following macros must be set, when compiling this file:
+    CONFIGFILE
+    SPOOLDIR
+    VERSION
+
+  $Id: configfile.c 49 2000-05-05 21:45:56Z uh1763 $
+*/
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "configfile.h"
+
+#include <limits.h>
+#include "log.h"
+#include "util.h"
+
+typedef struct
+{
+    Str name;
+    Str user;
+    Str pass;
+}
+ServEntry;
+
+typedef struct
+{
+    Str pattern;
+    int days;
+}
+ExpireEntry;
+
+struct
+{
+    /* Compile time options */
+    const char *spoolDir;
+    const char *version;
+    /* Options from the config file */
+    int maxFetch;
+    int autoUnsubscribeDays;
+    int threadFollowTime;
+    int connectTimeout;
+    Bool autoSubscribe;
+    Bool autoUnsubscribe;
+    Bool removeMsgId;
+    Bool replaceMsgId;
+    Str autoSubscribeMode;
+    Str mailTo;
+    int defaultExpire;
+    int numServ;
+    int maxServ;
+    ServEntry *serv;
+    int servIdx; /* for server enumeration */
+    int numExpire;
+    int maxExpire;
+    ExpireEntry *expire;
+    int expireIdx;
+} config =
+{
+    SPOOLDIR, /* spoolDir */
+    VERSION,  /* version */
+    300,      /* maxFetch */
+    30,       /* autoUnsubscribeDays */
+    7,        /* threadFollowTime */
+    30,       /* connectTimeout */
+    FALSE,    /* autoSubscribe */
+    FALSE,    /* autoUnsubscribe */
+    FALSE,    /* removeMsgId */
+    TRUE,     /* replaceMsgId */
+    "over",   /* autoSubscribeMode */
+    "",       /* mailTo */
+    14,       /* defaultExpire */
+    0,        /* numServ */
+    0,        /* maxServ */
+    NULL,     /* serv */
+    0,	      /* servIdx */
+    0,        /* numExpire */
+    0,        /* maxExpire */
+    NULL,     /* expire */
+    0         /* expireIdx */
+};
+
+const char * Cfg_spoolDir( void ) { return config.spoolDir; }
+const char * Cfg_version( void ) { return config.version; }
+
+int Cfg_maxFetch( void ) { return config.maxFetch; }
+int Cfg_autoUnsubscribeDays( void ) { return config.autoUnsubscribeDays; }
+int Cfg_threadFollowTime( void ) { return config.threadFollowTime; }
+int Cfg_connectTimeout( void ) { return config.connectTimeout; }
+Bool Cfg_autoUnsubscribe( void ) { return config.autoUnsubscribe; }
+Bool Cfg_autoSubscribe( void )  { return config.autoSubscribe; }
+Bool Cfg_removeMsgId( void ) { return config.removeMsgId; }
+Bool Cfg_replaceMsgId( void ) { return config.replaceMsgId; }
+const char * Cfg_autoSubscribeMode( void ) {
+    return config.autoSubscribeMode; }
+const char * Cfg_mailTo( void ) { return config.mailTo; }
+int Cfg_expire( void ) { return config.defaultExpire; }
+
+void
+Cfg_beginServEnum( void )
+{
+    config.servIdx = 0;
+}
+
+Bool
+Cfg_nextServ( Str name )
+{
+    if ( config.servIdx >= config.numServ )
+        return FALSE;
+    strcpy( name, config.serv[ config.servIdx ].name );
+    ++config.servIdx;
+    return TRUE;
+}
+
+static Bool
+searchServ( const char *name, int *idx )
+{
+    int i;
+
+    for ( i = 0; i < config.numServ; ++i )
+        if ( strcmp( name, config.serv[ i ].name ) == 0 )
+        {
+            *idx = i;
+            return TRUE;
+        }
+    return FALSE;
+}
+
+Bool
+Cfg_servListContains( const char *name )
+{
+    int idx;
+
+    return searchServ( name, &idx );
+}
+
+Bool
+Cfg_servIsPreferential( const char *name1, const char *name2 )
+{
+    Bool exists1, exists2;
+    int idx1, idx2;
+
+    exists1 = searchServ( name1, &idx1 );
+    exists2 = searchServ( name2, &idx2 );
+    if ( exists1 && exists2 )
+        return ( idx1 < idx2 );
+    if ( exists1 && ! exists2 )
+        return TRUE;
+    /* ( ! exists1 && exists2 ) || ( ! exists1 && ! exists2 ) */
+    return FALSE;
+}
+
+void
+Cfg_authInfo( const char *name, Str user, Str pass )
+{
+    int idx;
+
+    if ( searchServ( name, &idx ) )
+    {
+        strcpy( user, config.serv[ idx ].user );
+        strcpy( pass, config.serv[ idx ].pass );
+    }
+    else
+    {
+        user[ 0 ] = '\0';
+        pass[ 0 ] = '\0';
+    }
+}
+
+void
+Cfg_beginExpireEnum( void )
+{
+    config.expireIdx = 0;
+}
+
+int
+Cfg_nextExpire( Str pattern )
+{
+    if ( config.expireIdx >= config.numExpire )
+        return -1;
+    strcpy( pattern, config.expire[ config.expireIdx ].pattern );
+    return config.expire[ config.expireIdx++ ].days;
+}
+
+static void
+logSyntaxErr( const char *line )
+{
+    Log_err( "Syntax error in config file: %s", line );
+}
+
+static void
+getBool( Bool *variable, const char *line )
+{
+    Str value, name, lowerLn;
+
+    strcpy( lowerLn, line );
+    Utl_toLower( lowerLn );
+    if ( sscanf( lowerLn, "%s %s", name, value ) != 2 )
+    {
+        logSyntaxErr( line );
+        return;
+    }
+    
+    if ( strcmp( value, "yes" ) == 0 )
+        *variable = TRUE;
+    else if ( strcmp( value, "no" ) == 0 )
+        *variable = FALSE;
+    else
+        Log_err( "Error in config file %s must be yes or no", name );
+}
+
+static void
+getInt( int *variable, int min, int max, const char *line )
+{
+    int value;
+    Str name;
+
+    if ( sscanf( line, "%s %d", name, &value ) != 2 )
+    {
+        logSyntaxErr( line );
+        return;
+    }
+    if ( value < min || value > max )
+    {
+        Log_err( "Range error in config file %s [%d,%d]", name, min, max );
+        return;
+    }
+    *variable = value;
+}
+
+static void
+getStr( char *variable, const char *line )
+{
+    Str dummy;
+
+    if ( sscanf( line, "%s %s", dummy, variable ) != 2 )
+    {
+        logSyntaxErr( line );
+        return;
+    }
+}
+
+static void
+getServ( const char *line )
+{
+    Str dummy;
+    int r, len;
+    ServEntry entry;
+
+    entry.user[ 0 ] = '\0';
+    entry.pass[ 0 ] = '\0';
+    r = sscanf( line, "%s %s %s %s",
+                dummy, entry.name, entry.user, entry.pass );
+    if ( r < 2 )
+    {
+        logSyntaxErr( line );
+        return;
+    }
+    len = strlen( entry.name );
+    /* To make server name more definit, it is made lowercase and
+       port is removed, if it is the default port */
+    if ( len > 4 && strcmp( entry.name + len - 4, ":119" ) == 0 )
+        entry.name[ len - 4 ] = '\0';
+    Utl_toLower( entry.name );
+
+    if ( config.maxServ < config.numServ + 1 )
+    {
+        if ( ! ( config.serv = realloc( config.serv,
+                                        ( config.maxServ + 5 )
+                                        * sizeof( ServEntry ) ) ) )
+        {
+            Log_err( "Could not realloc server list" );
+            exit( EXIT_FAILURE );
+        }
+        config.maxServ += 5;
+    }
+    config.serv[ config.numServ++ ] = entry;
+}
+
+static void
+getExpire( const char *line )
+{
+    Str dummy;
+    ExpireEntry entry;
+    int days;
+
+    /*
+      The line is either "expire <num>" or "expire <pat> <num>".
+      The former updates the overall default.
+     */
+    if ( sscanf( line, "%s %s %d", dummy, entry.pattern, &days ) != 3 )
+    {
+	logSyntaxErr( line );
+	return;
+    }
+    else
+    {
+	if ( days < 0 )
+	{
+	    Log_err( "Expire days error in '%s': must be integer > 0",
+		     line, days );
+	    return;
+	}
+
+	Utl_toLower( entry.pattern );
+	entry.days = days;
+
+	if ( config.maxExpire < config.numExpire + 1 )
+	{
+	    if ( ! ( config.expire = realloc( config.expire,
+					      ( config.maxExpire + 5 )
+					      * sizeof( ExpireEntry ) ) ) )
+	    {
+		Log_err( "Could not realloc exipre list" );
+		exit( EXIT_FAILURE );
+	    }
+	    config.maxExpire += 5;
+	}
+	config.expire[ config.numExpire++ ] = entry;
+    }
+}
+
+void
+Cfg_read( void )
+{
+    char *p;
+    FILE *f;
+    Str file, line, lowerLine, name, s;
+
+    snprintf( file, MAXCHAR, CONFIGFILE );
+    if ( ! ( f = fopen( file, "r" ) ) )
+    {
+        Log_err( "Cannot read %s", file );
+        return;
+    }
+    while ( fgets( line, MAXCHAR, f ) )
+    {
+        p = Utl_stripWhiteSpace( line );
+	Utl_stripComment( p );
+        Utl_cpyStr( lowerLine, p );
+        Utl_toLower( lowerLine );
+        if ( *p == '\0' )
+            continue;
+        if ( sscanf( p, "%s", name ) != 1 )
+            Log_err( "Syntax error in %s: %s", file, line );
+        else if ( strcmp( "max-fetch", name ) == 0 )
+            getInt( &config.maxFetch, 0, INT_MAX, p );
+        else if ( strcmp( "auto-unsubscribe-days", name ) == 0 )
+            getInt( &config.autoUnsubscribe, -1, INT_MAX, p );
+        else if ( strcmp( "thread-follow-time", name ) == 0 )
+            getInt( &config.threadFollowTime, 0, INT_MAX, p );
+        else if ( strcmp( "connect-timeout", name ) == 0 )
+            getInt( &config.connectTimeout, 0, INT_MAX, p );
+        else if ( strcmp( "default-expire", name ) == 0 )
+            getInt( &config.defaultExpire, 0, INT_MAX, p );
+        else if ( strcmp( "auto-subscribe", name ) == 0 )
+            getBool( &config.autoSubscribe, p );
+        else if ( strcmp( "auto-unsubscribe", name ) == 0 )
+            getBool( &config.autoUnsubscribe, p );
+        else if ( strcmp( "remove-messageid", name ) == 0 )
+            getBool( &config.removeMsgId, p );
+        else if ( strcmp( "replace-messageid", name ) == 0 )
+            getBool( &config.replaceMsgId, p );
+        else if ( strcmp( "auto-subscribe-mode", name ) == 0 )
+        {
+            getStr( s, p );
+            Utl_toLower( s );
+            if ( strcmp( s, "full" ) != 0
+                 && strcmp( s, "thread" ) != 0
+                 && strcmp( s, "over" ) != 0
+                 && strcmp( s, "off" ) != 0 )
+            {
+                Log_err( "Syntax error in config file: %s", line );
+                return;
+            }
+            else
+                strcpy( config.autoSubscribeMode, s );
+        }
+        else if ( strcmp( "server", name ) == 0 )
+            /* Server needs line not p,
+               because password may contain uppercase */
+            getServ( line );
+        else if ( strcmp( "mail-to", name ) == 0 )
+            getStr( config.mailTo, p );
+        else if ( strcmp( "expire", name ) == 0 )
+            getExpire( p );
+        else
+            Log_err( "Unknown config option: %s", name );
+    }
+    fclose( f );
+    if ( ! config.numServ )
+    {
+        Log_err( "Config file contains no server" );
+        exit( EXIT_FAILURE );
+    }
+}