2008-05-18 16:44:30 +00:00
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/*
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* This file Copyright (C) 2008 Charles Kerr <charles@rebelbase.com>
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2007-04-18 16:39:10 +00:00
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*
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2008-05-18 16:44:30 +00:00
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* This file is licensed by the GPL version 2. Works owned by the
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* Transmission project are granted a special exemption to clause 2(b)
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* so that the bulk of its code can remain under the MIT license.
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* This exemption does not extend to derived works not owned by
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* the Transmission project.
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2007-04-18 16:39:10 +00:00
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*
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2008-05-19 16:16:38 +00:00
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* $Id$
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2008-05-18 16:44:30 +00:00
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*/
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2007-04-18 16:39:10 +00:00
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#include <assert.h>
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#include <errno.h>
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2008-05-18 16:44:30 +00:00
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#include <stdio.h> /* printf */
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#include <stdlib.h> /* exit, atoi */
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#include <string.h> /* strcmp */
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#include <fcntl.h> /* open */
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2007-04-18 16:39:10 +00:00
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#include <getopt.h>
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#include <signal.h>
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2008-05-18 16:44:30 +00:00
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#include <unistd.h> /* daemon, getcwd */
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#include <libtransmission/transmission.h>
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#include <libtransmission/bencode.h>
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#include <libtransmission/rpc.h>
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2008-05-22 19:24:11 +00:00
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#include <libtransmission/utils.h>
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2007-07-18 23:04:26 +00:00
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#include <libtransmission/version.h>
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2008-05-18 16:44:30 +00:00
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#define MY_NAME "transmission-daemon"
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2007-04-18 16:39:10 +00:00
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2008-05-18 16:44:30 +00:00
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static int closing = FALSE;
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2008-05-22 19:24:11 +00:00
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static tr_handle * mySession;
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static char myConfigFilename[MAX_PATH_LENGTH];
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2007-04-18 16:39:10 +00:00
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2008-06-11 20:09:36 +00:00
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#define KEY_BLOCKLIST "blocklist-enabled"
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#define KEY_DOWNLOAD_DIR "download-dir"
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#define KEY_ENCRYPTION "encryption"
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#define KEY_PEER_LIMIT "peer-limit"
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#define KEY_PEER_PORT "peer-port"
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#define KEY_PORT_FORWARDING "port-forwarding-enabled"
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#define KEY_PEX_ENABLED "pex-enabled"
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#define KEY_AUTH_REQUIRED "rpc-auth-required"
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#define KEY_USERNAME "rpc-username"
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#define KEY_PASSWORD "rpc-password"
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#define KEY_ACL "rpc-acl"
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#define KEY_RPC_PORT "rpc-port"
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#define KEY_DSPEED "speed-limit-down"
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#define KEY_DSPEED_ENABLED "speed-limit-down-enabled"
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#define KEY_USPEED "speed-limit-up"
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#define KEY_USPEED_ENABLED "speed-limit-up-enabled"
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#define CONFIG_FILE "session.json"
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const char * encryption_str[3] = { "tolerated", "preferred", "required" };
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2008-05-18 16:44:30 +00:00
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static void
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2008-06-11 20:09:36 +00:00
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saveState( tr_session * s )
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2008-05-18 16:44:30 +00:00
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{
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tr_benc d;
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2008-06-11 20:09:36 +00:00
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fprintf( stderr, "tr_sessionGetDownloadDir(s) returned [%s]\n", tr_sessionGetDownloadDir(s));
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tr_bencInitDict( &d, 16 );
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tr_bencDictAddInt( &d, KEY_BLOCKLIST, tr_blocklistIsEnabled( s ) );
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tr_bencDictAddStr( &d, KEY_DOWNLOAD_DIR, tr_sessionGetDownloadDir( s ) );
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tr_bencDictAddInt( &d, KEY_PEER_LIMIT, tr_sessionGetPeerLimit( s ) );
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tr_bencDictAddInt( &d, KEY_PEER_PORT, tr_sessionGetPeerPort( s ) );
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tr_bencDictAddInt( &d, KEY_PORT_FORWARDING, tr_sessionIsPortForwardingEnabled( s ) );
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tr_bencDictAddInt( &d, KEY_PEX_ENABLED, tr_sessionIsPexEnabled( s ) );
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tr_bencDictAddStr( &d, KEY_USERNAME, tr_sessionGetRPCUsername( s ) );
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tr_bencDictAddStr( &d, KEY_PASSWORD, tr_sessionGetRPCPassword( s ) );
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tr_bencDictAddStr( &d, KEY_ACL, tr_sessionGetRPCACL( s ) );
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tr_bencDictAddInt( &d, KEY_RPC_PORT, tr_sessionGetRPCPort( s ) );
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tr_bencDictAddInt( &d, KEY_AUTH_REQUIRED, tr_sessionIsRPCPasswordEnabled( s ) );
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tr_bencDictAddInt( &d, KEY_DSPEED, tr_sessionGetSpeedLimit( s, TR_DOWN ) );
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tr_bencDictAddInt( &d, KEY_DSPEED_ENABLED, tr_sessionIsSpeedLimitEnabled( s, TR_DOWN ) );
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tr_bencDictAddInt( &d, KEY_USPEED, tr_sessionGetSpeedLimit( s, TR_UP ) );
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tr_bencDictAddInt( &d, KEY_USPEED_ENABLED, tr_sessionIsSpeedLimitEnabled( s, TR_UP ) );
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tr_bencDictAddStr( &d, KEY_ENCRYPTION, encryption_str[tr_sessionGetEncryption( s )] );
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tr_bencSaveJSONFile( myConfigFilename, &d );
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fprintf( stderr, "saved:\n%s\n", tr_bencSaveAsJSON(&d,NULL) );
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2008-05-18 16:44:30 +00:00
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tr_bencFree( &d );
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2008-06-11 20:09:36 +00:00
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tr_ninf( MY_NAME, "saved \"%s\"", myConfigFilename );
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2007-04-18 16:39:10 +00:00
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}
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2008-06-11 20:09:36 +00:00
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/**
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* @param port port number, or -1 if not set in the command line
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* @param auth TRUE, FALSE, or -1 if not set on the command line
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* @param blocklist TRUE, FALSE, or -1 if not set on the command line
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*/
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2008-05-18 16:44:30 +00:00
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static void
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2008-06-11 20:09:36 +00:00
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session_init( const char * configDir, const char * downloadDir,
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int rpcPort, const char * acl,
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int authRequired, const char * username, const char * password,
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int blocklistEnabled )
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2007-04-18 16:39:10 +00:00
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{
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2008-06-11 20:09:36 +00:00
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char mycwd[MAX_PATH_LENGTH];
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2008-05-18 16:44:30 +00:00
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tr_benc state;
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int have_state;
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2008-06-11 20:09:36 +00:00
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int64_t i;
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2008-05-18 16:44:30 +00:00
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int64_t peer_port = TR_DEFAULT_PORT;
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int64_t peers = TR_DEFAULT_GLOBAL_PEER_LIMIT;
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int64_t pex_enabled = TR_DEFAULT_PEX_ENABLED;
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int64_t fwd_enabled = TR_DEFAULT_PORT_FORWARDING_ENABLED;
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int64_t up_limit = 100;
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int64_t up_limited = FALSE;
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int64_t down_limit = 100;
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int64_t down_limited = FALSE;
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int encryption = TR_ENCRYPTION_PREFERRED;
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tr_ctor * ctor;
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tr_torrent ** torrents;
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2008-06-11 20:09:36 +00:00
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if(( have_state = !tr_bencLoadJSONFile( myConfigFilename, &state )))
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2007-04-18 16:39:10 +00:00
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{
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2008-05-18 16:44:30 +00:00
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const char * str;
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2008-05-22 19:24:11 +00:00
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tr_ninf( MY_NAME, "loading settings from \"%s\"", myConfigFilename );
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2008-05-18 16:44:30 +00:00
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2008-06-11 20:09:36 +00:00
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tr_bencDictFindInt( &state, KEY_PEER_LIMIT, &peers );
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tr_bencDictFindInt( &state, KEY_PEX_ENABLED, &pex_enabled );
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tr_bencDictFindInt( &state, KEY_PEER_PORT, &peer_port );
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tr_bencDictFindInt( &state, KEY_PORT_FORWARDING, &fwd_enabled );
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tr_bencDictFindInt( &state, KEY_DSPEED, &down_limit );
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tr_bencDictFindInt( &state, KEY_DSPEED_ENABLED, &down_limited );
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tr_bencDictFindInt( &state, KEY_USPEED, &up_limit );
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tr_bencDictFindInt( &state, KEY_USPEED_ENABLED, &up_limited );
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if( tr_bencDictFindStr( &state, KEY_ENCRYPTION, &str ) ) {
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2008-05-18 16:44:30 +00:00
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if( !strcmp( str, "required" ) )
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encryption = TR_ENCRYPTION_REQUIRED;
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else if( !strcmp( str, "tolerated" ) )
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encryption = TR_PLAINTEXT_PREFERRED;
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}
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2007-04-18 16:39:10 +00:00
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}
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2008-06-11 20:09:36 +00:00
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/***
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**** Decide on which values to pass into tr_sessionInitFull().
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**** The command-line arguments are given precedence and
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**** the state file from the previous session is used as a fallback.
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**** If neither of those can be found, the TR_DEFAULT fields are used .
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***/
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/* authorization */
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if( authRequired < 0 ) {
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if( have_state && tr_bencDictFindInt( &state, KEY_AUTH_REQUIRED, &i ) )
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authRequired = i;
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if( authRequired < 0 )
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authRequired = FALSE;
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2008-06-05 18:16:59 +00:00
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}
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2008-06-11 20:09:36 +00:00
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/* username */
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if( !username )
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tr_bencDictFindStr( &state, KEY_USERNAME, &username );
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/* password */
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if( !password )
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tr_bencDictFindStr( &state, KEY_PASSWORD, &password );
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/* acl */
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if( !acl ) {
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if( have_state )
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tr_bencDictFindStr( &state, KEY_ACL, &acl );
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if( !acl )
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acl = TR_DEFAULT_RPC_ACL;
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}
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/* rpc port */
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if( rpcPort < 0 ) {
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if( have_state && tr_bencDictFindInt( &state, KEY_RPC_PORT, &i ) )
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rpcPort = i;
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if( rpcPort < 0 )
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rpcPort = TR_DEFAULT_RPC_PORT;
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}
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/* blocklist */
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if( blocklistEnabled < 0 ) {
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if( have_state && tr_bencDictFindInt( &state, KEY_BLOCKLIST, &i ) )
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blocklistEnabled = i;
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if( blocklistEnabled < 0 )
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blocklistEnabled = TR_DEFAULT_BLOCKLIST_ENABLED;
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}
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/* download dir */
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if( !downloadDir ) {
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if( have_state )
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tr_bencDictFindStr( &state, KEY_DOWNLOAD_DIR, &downloadDir );
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if( !downloadDir ) {
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getcwd( mycwd, sizeof( mycwd ) );
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fprintf( stderr, "cwd is [%s]\n", mycwd );
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downloadDir = mycwd;
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}
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2008-06-05 18:16:59 +00:00
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}
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2008-06-11 20:09:36 +00:00
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/***
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****
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***/
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2008-05-18 16:44:30 +00:00
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/* start the session */
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2008-05-22 19:24:11 +00:00
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mySession = tr_sessionInitFull( configDir, "daemon", downloadDir,
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pex_enabled, fwd_enabled, peer_port,
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encryption,
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up_limit, up_limited,
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down_limit, down_limited,
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peers,
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TR_MSG_INF, 0,
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2008-06-11 20:09:36 +00:00
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blocklistEnabled,
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2008-05-22 19:24:11 +00:00
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TR_DEFAULT_PEER_SOCKET_TOS,
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2008-06-11 20:09:36 +00:00
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TRUE, rpcPort, acl, authRequired, username, password,
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2008-06-10 16:16:31 +00:00
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TR_DEFAULT_PROXY_ENABLED,
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TR_DEFAULT_PROXY,
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TR_DEFAULT_PROXY_AUTH_ENABLED,
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TR_DEFAULT_PROXY_USERNAME,
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TR_DEFAULT_PROXY_PASSWORD );
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2008-06-05 18:16:59 +00:00
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2008-06-11 20:09:36 +00:00
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if( authRequired )
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2008-06-05 18:16:59 +00:00
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tr_ninf( MY_NAME, "requiring authentication" );
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2008-05-18 16:44:30 +00:00
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/* load the torrents */
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2008-05-22 19:24:11 +00:00
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ctor = tr_ctorNew( mySession );
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torrents = tr_sessionLoadTorrents( mySession, ctor, NULL );
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2008-05-18 16:44:30 +00:00
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tr_free( torrents );
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tr_ctorFree( ctor );
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if( have_state )
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tr_bencFree( &state );
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}
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static void
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daemonUsage( void )
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{
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puts( "usage: " MY_NAME " [-dfh] [-p file] [-s file]\n"
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"\n"
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2008-06-11 20:09:36 +00:00
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"Transmission "LONG_VERSION_STRING" http://www.transmissionbt.com/\n"
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2008-05-18 16:44:30 +00:00
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"A fast and easy BitTorrent client\n"
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"\n"
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2008-06-11 20:09:36 +00:00
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" -a --acl <list> Access Control List. (Default: "TR_DEFAULT_RPC_ACL")\n"
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" -b --blocklist Enable peer blocklists\n"
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" -b0 --blocklist=0 Disable peer blocklists\n"
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" -d --download-dir <dir> Where store downloaded data\n"
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" -f --foreground Run in the foreground and log to stderr\n"
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" -g --config-dir <dir> Where to look for torrents and "CONFIG_FILE"\n"
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" -h --help Display this message and exit\n"
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" -p --port=n Port to listen to for requests (Default: "TR_DEFAULT_RPC_PORT_STR")\n"
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" -t --auth Require authentication\n"
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" -t0 --auth=0 Don't require authentication\n"
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" -u --username <user> Set username for authentication\n"
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" -w --password <pass> Set password for authentication\n"
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2008-05-18 16:44:30 +00:00
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"\n"
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MY_NAME" is a headless Transmission session\n"
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"that can be controlled via transmission-remote or Clutch.\n" );
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2007-04-18 16:39:10 +00:00
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exit( 0 );
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}
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2008-05-18 16:44:30 +00:00
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static void
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readargs( int argc, char ** argv,
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2008-06-11 20:09:36 +00:00
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int * nofork, char ** configDir, char ** downloadDir,
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int * rpcPort, char ** acl, int * authRequired, char ** username, char ** password,
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int * blocklistEnabled )
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2007-04-18 16:39:10 +00:00
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{
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2007-04-26 07:03:36 +00:00
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int opt;
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2008-06-11 20:09:36 +00:00
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char shortopts[] = "a:b::d:fg:hp:t::u:w:";
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2008-05-18 16:44:30 +00:00
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struct option longopts[] = {
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2008-06-11 20:09:36 +00:00
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{ "acl", required_argument, NULL, 'a' },
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{ "blocklist", optional_argument, NULL, 'b' },
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{ "download-dir", required_argument, NULL, 'd' },
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{ "foreground", no_argument, NULL, 'f' },
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{ "config-dir", required_argument, NULL, 'g' },
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{ "help", no_argument, NULL, 'h' },
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{ "port", required_argument, NULL, 'p' },
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{ "auth", optional_argument, NULL, 't' },
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{ "username", required_argument, NULL, 'u' },
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{ "password", required_argument, NULL, 'w' },
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{ NULL, 0, NULL, '\0' }
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2008-05-18 16:44:30 +00:00
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};
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2008-06-11 20:09:36 +00:00
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while((( opt = getopt_long( argc, argv, shortopts, longopts, NULL ))) != -1 ) {
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2008-04-19 00:41:32 +00:00
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switch( opt ) {
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2008-05-18 16:44:30 +00:00
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case 'a': *acl = tr_strdup( optarg ); break;
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2008-06-11 20:09:36 +00:00
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case 'b': *blocklistEnabled = optarg ? atoi(optarg)!=0 : TRUE; break;
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case 'd': *downloadDir = tr_strdup( optarg ); break;
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2008-04-19 00:41:32 +00:00
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case 'f': *nofork = 1; break;
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2008-06-11 20:09:36 +00:00
|
|
|
case 'n': *authRequired = FALSE; break;
|
2008-05-18 16:44:30 +00:00
|
|
|
case 'g': *configDir = tr_strdup( optarg ); break;
|
2008-06-11 20:09:36 +00:00
|
|
|
case 't': *authRequired = optarg ? atoi(optarg)!=0 : TRUE; break;
|
|
|
|
case 'u': *username = tr_strdup( optarg ); break;
|
|
|
|
case 'w': *password = tr_strdup( optarg ); break;
|
|
|
|
case 'p': *rpcPort = atoi( optarg ); break;
|
2008-05-18 16:44:30 +00:00
|
|
|
default: daemonUsage( ); break;
|
2007-04-18 16:39:10 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2008-05-18 16:44:30 +00:00
|
|
|
static void
|
|
|
|
gotsig( int sig UNUSED )
|
2008-02-28 19:06:23 +00:00
|
|
|
{
|
2008-05-18 16:44:30 +00:00
|
|
|
closing = TRUE;
|
|
|
|
}
|
2008-02-28 19:06:23 +00:00
|
|
|
|
2008-05-18 16:44:30 +00:00
|
|
|
#if !defined(HAVE_DAEMON)
|
|
|
|
static int
|
|
|
|
daemon( int nochdir, int noclose )
|
|
|
|
{
|
|
|
|
switch( fork( ) ) {
|
|
|
|
case 0:
|
2008-02-28 19:06:23 +00:00
|
|
|
break;
|
2008-05-18 16:44:30 +00:00
|
|
|
case -1:
|
2008-05-20 14:01:15 +00:00
|
|
|
tr_nerr( MY_NAME, "Error daemonizing (fork)! %d - %s", errno, strerror(errno) );
|
2008-05-18 16:44:30 +00:00
|
|
|
return -1;
|
2008-02-28 19:06:23 +00:00
|
|
|
default:
|
2008-05-18 16:44:30 +00:00
|
|
|
_exit(0);
|
2008-02-28 19:06:23 +00:00
|
|
|
}
|
|
|
|
|
2008-05-18 16:44:30 +00:00
|
|
|
if( setsid() < 0 ) {
|
2008-05-20 14:01:15 +00:00
|
|
|
tr_nerr( MY_NAME, "Error daemonizing (setsid)! %d - %s", errno, strerror(errno) );
|
2007-04-18 16:39:10 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2008-05-18 16:44:30 +00:00
|
|
|
switch( fork( ) ) {
|
|
|
|
case 0:
|
|
|
|
break;
|
|
|
|
case -1:
|
2008-05-20 14:01:15 +00:00
|
|
|
tr_nerr( MY_NAME, "Error daemonizing (fork2)! %d - %s", errno, strerror(errno) );
|
2008-05-18 16:44:30 +00:00
|
|
|
return -1;
|
|
|
|
default:
|
|
|
|
_exit(0);
|
2007-04-18 16:39:10 +00:00
|
|
|
}
|
|
|
|
|
2008-05-18 16:44:30 +00:00
|
|
|
if( !nochdir && 0 > chdir( "/" ) ) {
|
2008-05-20 14:01:15 +00:00
|
|
|
tr_nerr( MY_NAME, "Error daemonizing (chdir)! %d - %s", errno, strerror(errno) );
|
2007-04-18 16:39:10 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2008-05-18 16:44:30 +00:00
|
|
|
if( !noclose ) {
|
|
|
|
int fd;
|
|
|
|
if((( fd = open("/dev/null", O_RDONLY))) != 0 ) {
|
|
|
|
dup2( fd, 0 );
|
|
|
|
close( fd );
|
|
|
|
}
|
|
|
|
if((( fd = open("/dev/null", O_WRONLY))) != 1 ) {
|
|
|
|
dup2( fd, 1 );
|
|
|
|
close( fd );
|
|
|
|
}
|
|
|
|
if((( fd = open("/dev/null", O_WRONLY))) != 2 ) {
|
|
|
|
dup2( fd, 2 );
|
2007-04-18 16:39:10 +00:00
|
|
|
close( fd );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2008-05-18 16:44:30 +00:00
|
|
|
return 0;
|
2007-04-18 16:39:10 +00:00
|
|
|
}
|
2008-05-18 16:44:30 +00:00
|
|
|
#endif
|
2007-04-18 16:39:10 +00:00
|
|
|
|
2008-05-18 16:44:30 +00:00
|
|
|
int
|
|
|
|
main( int argc, char ** argv )
|
2007-04-18 16:39:10 +00:00
|
|
|
{
|
2008-05-18 16:44:30 +00:00
|
|
|
int nofork = 0;
|
2008-06-11 20:09:36 +00:00
|
|
|
int rpcPort = -1;
|
|
|
|
int authRequired = -1;
|
|
|
|
int blocklistEnabled = -1;
|
2008-05-18 16:44:30 +00:00
|
|
|
char * configDir = NULL;
|
2008-06-11 20:09:36 +00:00
|
|
|
char * downloadDir = NULL;
|
2008-05-18 16:44:30 +00:00
|
|
|
char * acl = NULL;
|
2008-06-11 20:09:36 +00:00
|
|
|
char * username = NULL;
|
|
|
|
char * password = NULL;
|
2008-05-18 16:44:30 +00:00
|
|
|
|
|
|
|
signal( SIGINT, gotsig );
|
|
|
|
signal( SIGQUIT, gotsig );
|
|
|
|
signal( SIGTERM, gotsig );
|
2007-04-18 16:39:10 +00:00
|
|
|
signal( SIGPIPE, SIG_IGN );
|
|
|
|
signal( SIGHUP, SIG_IGN );
|
|
|
|
|
2008-06-11 20:09:36 +00:00
|
|
|
readargs( argc, argv, &nofork, &configDir, &downloadDir,
|
|
|
|
&rpcPort, &acl, &authRequired, &username, &password,
|
|
|
|
&blocklistEnabled );
|
2008-05-18 16:44:30 +00:00
|
|
|
if( configDir == NULL )
|
|
|
|
configDir = tr_strdup_printf( "%s-daemon", tr_getDefaultConfigDir() );
|
2008-05-22 19:24:11 +00:00
|
|
|
tr_buildPath( myConfigFilename, sizeof( myConfigFilename ),
|
2008-06-11 20:09:36 +00:00
|
|
|
configDir, CONFIG_FILE, NULL );
|
2007-04-18 16:39:10 +00:00
|
|
|
|
2008-05-18 16:44:30 +00:00
|
|
|
if( !nofork ) {
|
|
|
|
if( 0 > daemon( 1, 0 ) ) {
|
|
|
|
fprintf( stderr, "failed to daemonize: %s\n", strerror( errno ) );
|
|
|
|
exit( 1 );
|
|
|
|
}
|
2007-04-18 16:39:10 +00:00
|
|
|
}
|
2007-08-14 04:02:50 +00:00
|
|
|
|
2008-06-11 20:09:36 +00:00
|
|
|
session_init( configDir, downloadDir,
|
|
|
|
rpcPort, acl, authRequired, username, password,
|
|
|
|
blocklistEnabled );
|
2007-08-14 04:02:50 +00:00
|
|
|
|
2008-05-18 16:44:30 +00:00
|
|
|
while( !closing )
|
|
|
|
sleep( 1 );
|
2007-08-14 04:02:50 +00:00
|
|
|
|
2008-05-22 19:24:11 +00:00
|
|
|
saveState( mySession );
|
2008-05-18 16:44:30 +00:00
|
|
|
printf( "Closing transmission session..." );
|
2008-05-22 19:24:11 +00:00
|
|
|
tr_sessionClose( mySession );
|
2008-05-18 16:44:30 +00:00
|
|
|
printf( " done.\n" );
|
2007-08-14 04:02:50 +00:00
|
|
|
|
2008-05-18 16:44:30 +00:00
|
|
|
tr_free( configDir );
|
2008-06-11 20:09:36 +00:00
|
|
|
tr_free( downloadDir );
|
|
|
|
tr_free( username );
|
|
|
|
tr_free( password );
|
|
|
|
tr_free( acl );
|
2007-08-14 04:02:50 +00:00
|
|
|
return 0;
|
|
|
|
}
|