1/*
2 * This file Copyright (C) Mnemosyne LLC
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2
6 * as published by the Free Software Foundation.
7 *
8 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
9 *
10 * $Id: daemon.c 13330 2012-05-30 17:59:52Z jordan $
11 */
12
13#include <errno.h>
14#include <stdio.h> /* printf */
15#include <stdlib.h> /* exit, atoi */
16
17#include <fcntl.h> /* open */
18#include <signal.h>
19#ifdef HAVE_SYSLOG
20#include <syslog.h>
21#endif
22#include <unistd.h> /* daemon */
23
24#include <event2/buffer.h>
25
26#include <libtransmission/transmission.h>
27#include <libtransmission/bencode.h>
28#include <libtransmission/tr-getopt.h>
29#include <libtransmission/utils.h>
30#include <libtransmission/version.h>
31
32#include "watch.h"
33
34#define MY_NAME "transmission-daemon"
35
36#define PREF_KEY_DIR_WATCH          "watch-dir"
37#define PREF_KEY_DIR_WATCH_ENABLED  "watch-dir-enabled"
38#define PREF_KEY_PIDFILE            "pidfile"
39
40#define MEM_K 1024
41#define MEM_K_STR "KiB"
42#define MEM_M_STR "MiB"
43#define MEM_G_STR "GiB"
44#define MEM_T_STR "TiB"
45
46#define DISK_K 1000
47#define DISK_B_STR  "B"
48#define DISK_K_STR "kB"
49#define DISK_M_STR "MB"
50#define DISK_G_STR "GB"
51#define DISK_T_STR "TB"
52
53#define SPEED_K 1000
54#define SPEED_B_STR  "B/s"
55#define SPEED_K_STR "kB/s"
56#define SPEED_M_STR "MB/s"
57#define SPEED_G_STR "GB/s"
58#define SPEED_T_STR "TB/s"
59
60#define LOGFILE_MODE_STR "a+"
61
62static bool paused = false;
63static bool closing = false;
64static bool seenHUP = false;
65static const char *logfileName = NULL;
66static FILE *logfile = NULL;
67static tr_session * mySession = NULL;
68
69/***
70****  Config File
71***/
72
73static const char *
74getUsage( void )
75{
76    return "Transmission " LONG_VERSION_STRING
77           "  http://www.transmissionbt.com/\n"
78           "A fast and easy BitTorrent client\n"
79           "\n"
80           MY_NAME " is a headless Transmission session\n"
81           "that can be controlled via transmission-remote\n"
82           "or the web interface.\n"
83           "\n"
84           "Usage: " MY_NAME " [options]";
85}
86
87static const struct tr_option options[] =
88{
89
90    { 'a', "allowed", "Allowed IP addresses. (Default: " TR_DEFAULT_RPC_WHITELIST ")", "a", 1, "<list>" },
91    { 'b', "blocklist", "Enable peer blocklists", "b", 0, NULL },
92    { 'B', "no-blocklist", "Disable peer blocklists", "B", 0, NULL },
93    { 'c', "watch-dir", "Where to watch for new .torrent files", "c", 1, "<directory>" },
94    { 'C', "no-watch-dir", "Disable the watch-dir", "C", 0, NULL },
95    { 941, "incomplete-dir", "Where to store new torrents until they're complete", NULL, 1, "<directory>" },
96    { 942, "no-incomplete-dir", "Don't store incomplete torrents in a different location", NULL, 0, NULL },
97    { 'd', "dump-settings", "Dump the settings and exit", "d", 0, NULL },
98    { 'e', "logfile", "Dump the log messages to this filename", "e", 1, "<filename>" },
99    { 'f', "foreground", "Run in the foreground instead of daemonizing", "f", 0, NULL },
100    { 'g', "config-dir", "Where to look for configuration files", "g", 1, "<path>" },
101    { 'p', "port", "RPC port (Default: " TR_DEFAULT_RPC_PORT_STR ")", "p", 1, "<port>" },
102    { 't', "auth", "Require authentication", "t", 0, NULL },
103    { 'T', "no-auth", "Don't require authentication", "T", 0, NULL },
104    { 'u', "username", "Set username for authentication", "u", 1, "<username>" },
105    { 'v', "password", "Set password for authentication", "v", 1, "<password>" },
106    { 'V', "version", "Show version number and exit", "V", 0, NULL },
107    { 810, "log-error", "Show error messages", NULL, 0, NULL },
108    { 811, "log-info", "Show error and info messages", NULL, 0, NULL },
109    { 812, "log-debug", "Show error, info, and debug messages", NULL, 0, NULL },
110    { 'w', "download-dir", "Where to save downloaded data", "w", 1, "<path>" },
111    { 800, "paused", "Pause all torrents on startup", NULL, 0, NULL },
112    { 'o', "dht", "Enable distributed hash tables (DHT)", "o", 0, NULL },
113    { 'O', "no-dht", "Disable distributed hash tables (DHT)", "O", 0, NULL },
114    { 'y', "lpd", "Enable local peer discovery (LPD)", "y", 0, NULL },
115    { 'Y', "no-lpd", "Disable local peer discovery (LPD)", "Y", 0, NULL },
116    { 830, "utp", "Enable uTP for peer connections", NULL, 0, NULL },
117    { 831, "no-utp", "Disable uTP for peer connections", NULL, 0, NULL },
118    { 'P', "peerport", "Port for incoming peers (Default: " TR_DEFAULT_PEER_PORT_STR ")", "P", 1, "<port>" },
119    { 'm', "portmap", "Enable portmapping via NAT-PMP or UPnP", "m", 0, NULL },
120    { 'M', "no-portmap", "Disable portmapping", "M", 0, NULL },
121    { 'L', "peerlimit-global", "Maximum overall number of peers (Default: " TR_DEFAULT_PEER_LIMIT_GLOBAL_STR ")", "L", 1, "<limit>" },
122    { 'l', "peerlimit-torrent", "Maximum number of peers per torrent (Default: " TR_DEFAULT_PEER_LIMIT_TORRENT_STR ")", "l", 1, "<limit>" },
123    { 910, "encryption-required",  "Encrypt all peer connections", "er", 0, NULL },
124    { 911, "encryption-preferred", "Prefer encrypted peer connections", "ep", 0, NULL },
125    { 912, "encryption-tolerated", "Prefer unencrypted peer connections", "et", 0, NULL },
126    { 'i', "bind-address-ipv4", "Where to listen for peer connections", "i", 1, "<ipv4 addr>" },
127    { 'I', "bind-address-ipv6", "Where to listen for peer connections", "I", 1, "<ipv6 addr>" },
128    { 'r', "rpc-bind-address", "Where to listen for RPC connections", "r", 1, "<ipv4 addr>" },
129    { 953, "global-seedratio", "All torrents, unless overridden by a per-torrent setting, should seed until a specific ratio", "gsr", 1, "ratio" },
130    { 954, "no-global-seedratio", "All torrents, unless overridden by a per-torrent setting, should seed regardless of ratio", "GSR", 0, NULL },
131    { 'x', "pid-file", "Enable PID file", "x", 1, "<pid-file>" },
132    { 0, NULL, NULL, NULL, 0, NULL }
133};
134
135static void
136showUsage( void )
137{
138    tr_getopt_usage( MY_NAME, getUsage( ), options );
139    exit( 0 );
140}
141
142static void
143gotsig( int sig )
144{
145    switch( sig )
146    {
147        case SIGHUP:
148        {
149            if( !mySession )
150            {
151                tr_inf( "Deferring reload until session is fully started." );
152                seenHUP = true;
153            }
154            else
155            {
156                tr_benc settings;
157                const char * configDir;
158
159                /* reopen the logfile to allow for log rotation */
160                if( logfileName ) {
161                    logfile = freopen( logfileName, LOGFILE_MODE_STR, logfile );
162                    if( !logfile )
163                        fprintf( stderr, "Couldn't reopen \"%s\": %s\n", logfileName, tr_strerror( errno ) );
164                }
165
166                configDir = tr_sessionGetConfigDir( mySession );
167                tr_inf( "Reloading settings from \"%s\"", configDir );
168                tr_bencInitDict( &settings, 0 );
169                tr_bencDictAddBool( &settings, TR_PREFS_KEY_RPC_ENABLED, true );
170                tr_sessionLoadSettings( &settings, configDir, MY_NAME );
171                tr_sessionSet( mySession, &settings );
172                tr_bencFree( &settings );
173                tr_sessionReloadBlocklists( mySession );
174            }
175            break;
176        }
177
178        default:
179            tr_err( "Unexpected signal(%d) in daemon, closing.", sig);
180            /* no break */
181
182        case SIGINT:
183        case SIGTERM:
184            closing = true;
185            break;
186    }
187}
188
189#if defined(WIN32)
190 #define USE_NO_DAEMON
191#elif !defined(HAVE_DAEMON) || defined(__UCLIBC__)
192 #define USE_TR_DAEMON
193#else
194 #define USE_OS_DAEMON
195#endif
196
197static int
198tr_daemon( int nochdir, int noclose )
199{
200#if defined(USE_OS_DAEMON)
201
202    return daemon( nochdir, noclose );
203
204#elif defined(USE_TR_DAEMON)
205
206    /* this is loosely based off of glibc's daemon() implementation
207     * http://sourceware.org/git/?p=glibc.git;a=blob_plain;f=misc/daemon.c */
208
209    switch( fork( ) ) {
210        case -1: return -1;
211        case 0: break;
212        default: _exit(0);
213    }
214
215    if( setsid( ) == -1 )
216        return -1;
217
218    if( !nochdir )
219        chdir( "/" );
220
221    if( !noclose ) {
222        int fd = open( "/dev/null", O_RDWR, 0 );
223        dup2( fd, STDIN_FILENO );
224        dup2( fd, STDOUT_FILENO );
225        dup2( fd, STDERR_FILENO );
226        close( fd );
227    }
228
229    return 0;
230
231#else /* USE_NO_DAEMON */
232    return 0;
233#endif
234}
235
236static const char*
237getConfigDir( int argc, const char ** argv )
238{
239    int c;
240    const char * configDir = NULL;
241    const char * optarg;
242    const int ind = tr_optind;
243
244    while(( c = tr_getopt( getUsage( ), argc, argv, options, &optarg ))) {
245        if( c == 'g' ) {
246            configDir = optarg;
247            break;
248        }
249    }
250
251    tr_optind = ind;
252
253    if( configDir == NULL )
254        configDir = tr_getDefaultConfigDir( MY_NAME );
255
256    return configDir;
257}
258
259static void
260onFileAdded( tr_session * session, const char * dir, const char * file )
261{
262    char * filename = tr_buildPath( dir, file, NULL );
263    tr_ctor * ctor = tr_ctorNew( session );
264    int err = tr_ctorSetMetainfoFromFile( ctor, filename );
265
266    if( !err )
267    {
268        tr_torrentNew( ctor, &err );
269
270        if( err == TR_PARSE_ERR )
271            tr_err( "Error parsing .torrent file \"%s\"", file );
272        else
273        {
274            bool trash = false;
275            int test = tr_ctorGetDeleteSource( ctor, &trash );
276
277            tr_inf( "Parsing .torrent file successful \"%s\"", file );
278
279            if( !test && trash )
280            {
281                tr_inf( "Deleting input .torrent file \"%s\"", file );
282                if( remove( filename ) )
283                    tr_err( "Error deleting .torrent file: %s", tr_strerror( errno ) );
284            }
285            else
286            {
287                char * new_filename = tr_strdup_printf( "%s.added", filename );
288                rename( filename, new_filename );
289                tr_free( new_filename );
290            }
291        }
292    }
293
294    tr_ctorFree( ctor );
295    tr_free( filename );
296}
297
298static void
299printMessage( FILE * logfile, int level, const char * name, const char * message, const char * file, int line )
300{
301    if( logfile != NULL )
302    {
303        char timestr[64];
304        tr_getLogTimeStr( timestr, sizeof( timestr ) );
305        if( name )
306            fprintf( logfile, "[%s] %s %s (%s:%d)\n", timestr, name, message, file, line );
307        else
308            fprintf( logfile, "[%s] %s (%s:%d)\n", timestr, message, file, line );
309    }
310#ifdef HAVE_SYSLOG
311    else /* daemon... write to syslog */
312    {
313        int priority;
314
315        /* figure out the syslog priority */
316        switch( level ) {
317            case TR_MSG_ERR: priority = LOG_ERR; break;
318            case TR_MSG_DBG: priority = LOG_DEBUG; break;
319            default: priority = LOG_INFO; break;
320        }
321
322        if( name )
323            syslog( priority, "%s %s (%s:%d)", name, message, file, line );
324        else
325            syslog( priority, "%s (%s:%d)", message, file, line );
326    }
327#endif
328}
329
330static void
331pumpLogMessages( FILE * logfile )
332{
333    const tr_msg_list * l;
334    tr_msg_list * list = tr_getQueuedMessages( );
335
336    for( l=list; l!=NULL; l=l->next )
337        printMessage( logfile, l->level, l->name, l->message, l->file, l->line );
338
339    if( logfile != NULL )
340        fflush( logfile );
341
342    tr_freeMessageList( list );
343}
344
345static tr_rpc_callback_status
346on_rpc_callback( tr_session            * session UNUSED,
347                 tr_rpc_callback_type    type,
348                 struct tr_torrent     * tor UNUSED,
349                 void                  * user_data UNUSED )
350{
351    if( type == TR_RPC_SESSION_CLOSE )
352        closing = true;
353    return TR_RPC_OK;
354}
355
356int
357main( int argc, char ** argv )
358{
359    int c;
360    const char * optarg;
361    tr_benc settings;
362    bool boolVal;
363    bool loaded;
364    bool foreground = false;
365    bool dumpSettings = false;
366    const char * configDir = NULL;
367    const char * pid_filename;
368    dtr_watchdir * watchdir = NULL;
369    bool pidfile_created = false;
370    tr_session * session = NULL;
371
372    signal( SIGINT, gotsig );
373    signal( SIGTERM, gotsig );
374#ifndef WIN32
375    signal( SIGHUP, gotsig );
376#endif
377
378    /* load settings from defaults + config file */
379    tr_bencInitDict( &settings, 0 );
380    tr_bencDictAddBool( &settings, TR_PREFS_KEY_RPC_ENABLED, true );
381    configDir = getConfigDir( argc, (const char**)argv );
382    loaded = tr_sessionLoadSettings( &settings, configDir, MY_NAME );
383
384    /* overwrite settings from the comamndline */
385    tr_optind = 1;
386    while(( c = tr_getopt( getUsage(), argc, (const char**)argv, options, &optarg ))) {
387        switch( c ) {
388            case 'a': tr_bencDictAddStr( &settings, TR_PREFS_KEY_RPC_WHITELIST, optarg );
389                      tr_bencDictAddBool( &settings, TR_PREFS_KEY_RPC_WHITELIST_ENABLED, true );
390                      break;
391            case 'b': tr_bencDictAddBool( &settings, TR_PREFS_KEY_BLOCKLIST_ENABLED, true );
392                      break;
393            case 'B': tr_bencDictAddBool( &settings, TR_PREFS_KEY_BLOCKLIST_ENABLED, false );
394                      break;
395            case 'c': tr_bencDictAddStr( &settings, PREF_KEY_DIR_WATCH, optarg );
396                      tr_bencDictAddBool( &settings, PREF_KEY_DIR_WATCH_ENABLED, true );
397                      break;
398            case 'C': tr_bencDictAddBool( &settings, PREF_KEY_DIR_WATCH_ENABLED, false );
399                      break;
400            case 941: tr_bencDictAddStr( &settings, TR_PREFS_KEY_INCOMPLETE_DIR, optarg );
401                      tr_bencDictAddBool( &settings, TR_PREFS_KEY_INCOMPLETE_DIR_ENABLED, true );
402                      break;
403            case 942: tr_bencDictAddBool( &settings, TR_PREFS_KEY_INCOMPLETE_DIR_ENABLED, false );
404                      break;
405            case 'd': dumpSettings = true;
406                      break;
407            case 'e': logfile = fopen( optarg, LOGFILE_MODE_STR );
408                      if( logfile )
409                          logfileName = optarg;
410                      else
411                          fprintf( stderr, "Couldn't open \"%s\": %s\n", optarg, tr_strerror( errno ) );
412                      break;
413            case 'f': foreground = true;
414                      break;
415            case 'g': /* handled above */
416                      break;
417            case 'V': /* version */
418                      fprintf(stderr, "%s %s\n", MY_NAME, LONG_VERSION_STRING);
419                      exit( 0 );
420            case 'o': tr_bencDictAddBool( &settings, TR_PREFS_KEY_DHT_ENABLED, true );
421                      break;
422            case 'O': tr_bencDictAddBool( &settings, TR_PREFS_KEY_DHT_ENABLED, false );
423                      break;
424            case 'p': tr_bencDictAddInt( &settings, TR_PREFS_KEY_RPC_PORT, atoi( optarg ) );
425                      break;
426            case 't': tr_bencDictAddBool( &settings, TR_PREFS_KEY_RPC_AUTH_REQUIRED, true );
427                      break;
428            case 'T': tr_bencDictAddBool( &settings, TR_PREFS_KEY_RPC_AUTH_REQUIRED, false );
429                      break;
430            case 'u': tr_bencDictAddStr( &settings, TR_PREFS_KEY_RPC_USERNAME, optarg );
431                      break;
432            case 'v': tr_bencDictAddStr( &settings, TR_PREFS_KEY_RPC_PASSWORD, optarg );
433                      break;
434            case 'w': tr_bencDictAddStr( &settings, TR_PREFS_KEY_DOWNLOAD_DIR, optarg );
435                      break;
436            case 'P': tr_bencDictAddInt( &settings, TR_PREFS_KEY_PEER_PORT, atoi( optarg ) );
437                      break;
438            case 'm': tr_bencDictAddBool( &settings, TR_PREFS_KEY_PORT_FORWARDING, true );
439                      break;
440            case 'M': tr_bencDictAddBool( &settings, TR_PREFS_KEY_PORT_FORWARDING, false );
441                      break;
442            case 'L': tr_bencDictAddInt( &settings, TR_PREFS_KEY_PEER_LIMIT_GLOBAL, atoi( optarg ) );
443                      break;
444            case 'l': tr_bencDictAddInt( &settings, TR_PREFS_KEY_PEER_LIMIT_TORRENT, atoi( optarg ) );
445                      break;
446            case 800: paused = true;
447                      break;
448            case 910: tr_bencDictAddInt( &settings, TR_PREFS_KEY_ENCRYPTION, TR_ENCRYPTION_REQUIRED );
449                      break;
450            case 911: tr_bencDictAddInt( &settings, TR_PREFS_KEY_ENCRYPTION, TR_ENCRYPTION_PREFERRED );
451                      break;
452            case 912: tr_bencDictAddInt( &settings, TR_PREFS_KEY_ENCRYPTION, TR_CLEAR_PREFERRED );
453                      break;
454            case 'i': tr_bencDictAddStr( &settings, TR_PREFS_KEY_BIND_ADDRESS_IPV4, optarg );
455                      break;
456            case 'I': tr_bencDictAddStr( &settings, TR_PREFS_KEY_BIND_ADDRESS_IPV6, optarg );
457                      break;
458            case 'r': tr_bencDictAddStr( &settings, TR_PREFS_KEY_RPC_BIND_ADDRESS, optarg );
459                      break;
460            case 953: tr_bencDictAddReal( &settings, TR_PREFS_KEY_RATIO, atof(optarg) );
461                      tr_bencDictAddBool( &settings, TR_PREFS_KEY_RATIO_ENABLED, true );
462                      break;
463            case 954: tr_bencDictAddBool( &settings, TR_PREFS_KEY_RATIO_ENABLED, false );
464                      break;
465            case 'x': tr_bencDictAddStr( &settings, PREF_KEY_PIDFILE, optarg );
466                      break;
467            case 'y': tr_bencDictAddBool( &settings, TR_PREFS_KEY_LPD_ENABLED, true );
468                      break;
469            case 'Y': tr_bencDictAddBool( &settings, TR_PREFS_KEY_LPD_ENABLED, false );
470                      break;
471            case 810: tr_bencDictAddInt( &settings,  TR_PREFS_KEY_MSGLEVEL, TR_MSG_ERR );
472                      break;
473            case 811: tr_bencDictAddInt( &settings,  TR_PREFS_KEY_MSGLEVEL, TR_MSG_INF );
474                      break;
475            case 812: tr_bencDictAddInt( &settings,  TR_PREFS_KEY_MSGLEVEL, TR_MSG_DBG );
476                      break;
477            case 830: tr_bencDictAddBool( &settings, TR_PREFS_KEY_UTP_ENABLED, true );
478                      break;
479            case 831: tr_bencDictAddBool( &settings, TR_PREFS_KEY_UTP_ENABLED, false );
480                      break;
481            default:  showUsage( );
482                      break;
483        }
484    }
485
486    if( foreground && !logfile )
487        logfile = stderr;
488
489    if( !loaded )
490    {
491        printMessage( logfile, TR_MSG_ERR, MY_NAME, "Error loading config file -- exiting.", __FILE__, __LINE__ );
492        return -1;
493    }
494
495    if( dumpSettings )
496    {
497        char * str = tr_bencToStr( &settings, TR_FMT_JSON, NULL );
498        fprintf( stderr, "%s", str );
499        tr_free( str );
500        return 0;
501    }
502
503    if( !foreground && tr_daemon( true, false ) < 0 )
504    {
505        char buf[256];
506        tr_snprintf( buf, sizeof( buf ), "Failed to daemonize: %s", tr_strerror( errno ) );
507        printMessage( logfile, TR_MSG_ERR, MY_NAME, buf, __FILE__, __LINE__ );
508        exit( 1 );
509    }
510
511    /* start the session */
512    tr_formatter_mem_init( MEM_K, MEM_K_STR, MEM_M_STR, MEM_G_STR, MEM_T_STR );
513    tr_formatter_size_init( DISK_K, DISK_K_STR, DISK_M_STR, DISK_G_STR, DISK_T_STR );
514    tr_formatter_speed_init( SPEED_K, SPEED_K_STR, SPEED_M_STR, SPEED_G_STR, SPEED_T_STR );
515    session = tr_sessionInit( "daemon", configDir, true, &settings );
516    tr_sessionSetRPCCallback( session, on_rpc_callback, NULL );
517    tr_ninf( NULL, "Using settings from \"%s\"", configDir );
518    tr_sessionSaveSettings( session, configDir, &settings );
519
520    pid_filename = NULL;
521    tr_bencDictFindStr( &settings, PREF_KEY_PIDFILE, &pid_filename );
522    if( pid_filename && *pid_filename )
523    {
524        FILE * fp = fopen( pid_filename, "w+" );
525        if( fp != NULL )
526        {
527            fprintf( fp, "%d", (int)getpid() );
528            fclose( fp );
529            tr_inf( "Saved pidfile \"%s\"", pid_filename );
530            pidfile_created = true;
531        }
532        else
533            tr_err( "Unable to save pidfile \"%s\": %s", pid_filename, tr_strerror( errno ) );
534    }
535
536    if( tr_bencDictFindBool( &settings, TR_PREFS_KEY_RPC_AUTH_REQUIRED, &boolVal ) && boolVal )
537        tr_ninf( MY_NAME, "requiring authentication" );
538
539    mySession = session;
540
541    /* If we got a SIGHUP during startup, process that now. */
542    if( seenHUP )
543        gotsig( SIGHUP );
544
545    /* maybe add a watchdir */
546    {
547        const char * dir;
548
549        if( tr_bencDictFindBool( &settings, PREF_KEY_DIR_WATCH_ENABLED, &boolVal )
550            && boolVal
551            && tr_bencDictFindStr( &settings, PREF_KEY_DIR_WATCH, &dir )
552            && dir
553            && *dir )
554        {
555            tr_inf( "Watching \"%s\" for new .torrent files", dir );
556            watchdir = dtr_watchdir_new( mySession, dir, onFileAdded );
557        }
558    }
559
560    /* load the torrents */
561    {
562        tr_torrent ** torrents;
563        tr_ctor * ctor = tr_ctorNew( mySession );
564        if( paused )
565            tr_ctorSetPaused( ctor, TR_FORCE, true );
566        torrents = tr_sessionLoadTorrents( mySession, ctor, NULL );
567        tr_free( torrents );
568        tr_ctorFree( ctor );
569    }
570
571#ifdef HAVE_SYSLOG
572    if( !foreground )
573        openlog( MY_NAME, LOG_CONS|LOG_PID, LOG_DAEMON );
574#endif
575
576    while( !closing ) {
577        tr_wait_msec( 1000 ); /* sleep one second */
578        dtr_watchdir_update( watchdir );
579        pumpLogMessages( logfile );
580    }
581
582    printf( "Closing transmission session..." );
583    tr_sessionSaveSettings( mySession, configDir, &settings );
584    dtr_watchdir_free( watchdir );
585    tr_sessionClose( mySession );
586    pumpLogMessages( logfile );
587    printf( " done.\n" );
588
589    /* shutdown */
590#if HAVE_SYSLOG
591    if( !foreground )
592    {
593        syslog( LOG_INFO, "%s", "Closing session" );
594        closelog( );
595    }
596#endif
597
598    /* cleanup */
599    if( pidfile_created )
600        remove( pid_filename );
601    tr_bencFree( &settings );
602    return 0;
603}
604