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transmission/gtk/conf.c

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/******************************************************************************
* $Id$
*
* Copyright (c) 2005-2008 Transmission authors and contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*****************************************************************************/
#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <glib/gstdio.h>
#include <libtransmission/transmission.h>
#include <libtransmission/bencode.h>
#include <libtransmission/platform.h>
#include "conf.h"
#include "tr-prefs.h"
#include "util.h"
#define MY_NAME "transmission"
static char * gl_confdir = NULL;
static char * gl_lockpath = NULL;
/* errstr may be NULL, this might be called before GTK is initialized */
gboolean
cf_init( const char * configDir,
char ** errstr )
{
if( errstr != NULL )
*errstr = NULL;
gl_confdir = g_strdup( configDir );
if( mkdir_p( gl_confdir, 0755 ) )
return TRUE;
if( errstr != NULL )
*errstr = g_strdup_printf( _( "Couldn't create \"%1$s\": %2$s" ),
gl_confdir, g_strerror( errno ) );
return FALSE;
}
/***
****
**** Lockfile
****
***/
/* errstr may be NULL, this might be called before GTK is initialized */
static gboolean
lockfile( const char * filename,
tr_lockfile_state_t *tr_state,
char ** errstr )
{
const tr_lockfile_state_t state = tr_lockfile( filename );
const gboolean success = state == TR_LOCKFILE_SUCCESS;
if( errstr ) switch( state )
{
case TR_LOCKFILE_EOPEN:
*errstr =
g_strdup_printf( _( "Couldn't open \"%1$s\": %2$s" ),
filename, g_strerror( errno ) );
break;
case TR_LOCKFILE_ELOCK:
*errstr = g_strdup_printf( _( "%s is already running." ),
g_get_application_name( ) );
break;
case TR_LOCKFILE_SUCCESS:
*errstr = NULL;
break;
}
if( tr_state != NULL )
*tr_state = state;
return success;
}
static char*
getLockFilename( void )
{
assert( gl_confdir != NULL );
return g_build_filename( gl_confdir, "lock", NULL );
}
static void
cf_removelocks( void )
{
if( gl_lockpath )
{
g_unlink( gl_lockpath );
g_free( gl_lockpath );
}
}
/* errstr may be NULL, this might be called before GTK is initialized */
gboolean
cf_lock( tr_lockfile_state_t *tr_state,
char ** errstr )
{
char * path = getLockFilename( );
const gboolean didLock = lockfile( path, tr_state, errstr );
if( didLock )
gl_lockpath = g_strdup( path );
g_atexit( cf_removelocks );
g_free( path );
return didLock;
}
/***
****
**** Preferences
****
***/
static void cf_check_older_configs( void );
/**
* This is where we initialize the preferences file with the default values.
* If you add a new preferences key, you /must/ add a default value here.
*/
static void
tr_prefs_init_defaults( tr_benc * d )
{
const char * str;
cf_check_older_configs( );
#ifdef HAVE_GIO
str = NULL;
if( !str ) str = g_get_user_special_dir( G_USER_DIRECTORY_DOWNLOAD );
if( !str ) str = g_get_user_special_dir( G_USER_DIRECTORY_DESKTOP );
if( !str ) str = tr_getDefaultDownloadDir( );
tr_bencDictAddStr( d, PREF_KEY_DIR_WATCH, str );
tr_bencDictAddBool( d, PREF_KEY_DIR_WATCH_ENABLED, FALSE );
#endif
tr_bencDictAddBool( d, PREF_KEY_INHIBIT_HIBERNATION, FALSE );
tr_bencDictAddBool( d, PREF_KEY_BLOCKLIST_UPDATES_ENABLED, TRUE );
tr_bencDictAddStr( d, PREF_KEY_OPEN_DIALOG_FOLDER, g_get_home_dir( ) );
tr_bencDictAddBool( d, PREF_KEY_TOOLBAR, TRUE );
tr_bencDictAddBool( d, PREF_KEY_FILTERBAR, TRUE );
tr_bencDictAddBool( d, PREF_KEY_STATUSBAR, TRUE );
tr_bencDictAddBool( d, PREF_KEY_SHOW_TRAY_ICON, FALSE );
tr_bencDictAddBool( d, PREF_KEY_SHOW_DESKTOP_NOTIFICATION, TRUE );
tr_bencDictAddStr( d, PREF_KEY_STATUSBAR_STATS, "total-ratio" );
tr_bencDictAddBool( d, PREF_KEY_OPTIONS_PROMPT, TRUE );
tr_bencDictAddInt( d, PREF_KEY_MAIN_WINDOW_HEIGHT, 500 );
tr_bencDictAddInt( d, PREF_KEY_MAIN_WINDOW_WIDTH, 300 );
tr_bencDictAddInt( d, PREF_KEY_MAIN_WINDOW_X, 50 );
tr_bencDictAddInt( d, PREF_KEY_MAIN_WINDOW_Y, 50 );
tr_bencDictAddStr( d, PREF_KEY_MAIN_WINDOW_LAYOUT_ORDER, "menu,toolbar,filter,list,statusbar" );
str = NULL;
#if GLIB_CHECK_VERSION( 2, 14, 0 )
if( !str ) str = g_get_user_special_dir( G_USER_DIRECTORY_DOWNLOAD );
#endif
if( !str ) str = tr_getDefaultDownloadDir( );
tr_bencDictAddStr( d, TR_PREFS_KEY_DOWNLOAD_DIR, str );
tr_bencDictAddBool( d, PREF_KEY_ASKQUIT, TRUE );
tr_bencDictAddStr( d, PREF_KEY_SORT_MODE, "sort-by-name" );
tr_bencDictAddBool( d, PREF_KEY_SORT_REVERSED, FALSE );
tr_bencDictAddBool( d, PREF_KEY_MINIMAL_VIEW, FALSE );
tr_bencDictAddBool( d, PREF_KEY_START, TRUE );
tr_bencDictAddBool( d, PREF_KEY_TRASH_ORIGINAL, FALSE );
}
static char*
getPrefsFilename( void )
{
assert( gl_confdir != NULL );
return g_build_filename( gl_confdir, "settings.json", NULL );
}
static tr_benc*
getPrefs( void )
{
static tr_benc settings;
static gboolean loaded = FALSE;
if( !loaded )
{
tr_bencInitDict( &settings, 0 );
tr_prefs_init_defaults( &settings );
tr_sessionLoadSettings( &settings, gl_confdir, MY_NAME );
loaded = TRUE;
}
return &settings;
}
/***
****
***/
tr_benc*
pref_get_all( void )
{
return getPrefs( );
}
int64_t
pref_int_get( const char * key )
{
int64_t i = 0;
tr_bencDictFindInt( getPrefs( ), key, &i );
return i;
}
void
pref_int_set( const char * key,
int64_t value )
{
tr_bencDictAddInt( getPrefs( ), key, value );
}
double
pref_double_get( const char * key )
{
double d = 0.0;
tr_bencDictFindReal( getPrefs( ), key, &d );
return d;
}
void
pref_double_set( const char * key,
double value )
{
tr_bencDictAddReal( getPrefs( ), key, value );
}
/***
****
***/
gboolean
pref_flag_get( const char * key )
{
tr_bool boolVal;
tr_bencDictFindBool( getPrefs( ), key, &boolVal );
return boolVal != 0;
}
gboolean
pref_flag_eval( pref_flag_t val,
const char * key )
{
switch( val )
{
case PREF_FLAG_TRUE:
return TRUE;
case PREF_FLAG_FALSE:
return FALSE;
default:
return pref_flag_get( key );
}
}
void
pref_flag_set( const char * key,
gboolean value )
{
tr_bencDictAddBool( getPrefs( ), key, value );
}
/***
****
***/
const char*
pref_string_get( const char * key )
{
const char * str = NULL;
tr_bencDictFindStr( getPrefs( ), key, &str );
return str;
}
void
pref_string_set( const char * key, const char * value )
{
tr_bencDictAddStr( getPrefs( ), key, value );
}
/***
****
***/
void
pref_save( tr_session * session )
{
tr_sessionSaveSettings( session, gl_confdir, getPrefs( ) );
}
/***
****
***/
#if !GLIB_CHECK_VERSION( 2, 8, 0 )
static void
tr_file_set_contents( const char * filename,
const void * out,
size_t len,
GError* unused UNUSED )
{
FILE * fp = fopen( filename, "wb+" );
if( fp != NULL )
{
fwrite( out, 1, len, fp );
fclose( fp );
}
}
#define g_file_set_contents tr_file_set_contents
#endif
static char*
getCompat080PrefsFilename( void )
{
assert( gl_confdir != NULL );
return g_build_filename( g_get_home_dir( ), ".transmission", "gtk", "prefs", NULL );
}
static char*
getCompat090PrefsFilename( void )
{
assert( gl_confdir != NULL );
return g_build_filename( g_get_home_dir( ), ".transmission", "gtk", "prefs.ini", NULL );
}
static char*
getCompat121PrefsFilename( void )
{
return g_build_filename( g_get_user_config_dir( ), "transmission", "gtk", "prefs.ini", NULL );
}
static void
translate_08_to_09( const char* oldfile,
const char* newfile )
{
static struct pref_entry {
const char* oldkey;
const char* newkey;
} pref_table[] = {
{ "add-behavior-ipc", "add-behavior-ipc" },
{ "add-behavior-standard", "add-behavior-standard" },
{ "download-directory", "default-download-directory" },
{ "download-limit", "download-limit" },
{ "use-download-limit", "download-limit-enabled" },
{ "listening-port", "listening-port" },
{ "use-nat-traversal", "nat-traversal-enabled" },
{ "use-peer-exchange", "pex-enabled" },
{ "ask-quit", "prompt-before-exit" },
{ "ask-download-directory", "prompt-for-download-directory" },
{ "use-tray-icon", "system-tray-icon-enabled" },
{ "upload-limit", "upload-limit" },
{ "use-upload-limit", "upload-limit-enabled" }
};
GString * out = g_string_new( NULL );
gchar * contents = NULL;
gsize contents_len = 0;
tr_benc top;
memset( &top, 0, sizeof( tr_benc ) );
if( g_file_get_contents( oldfile, &contents, &contents_len, NULL )
&& !tr_bencLoad( contents, contents_len, &top, NULL )
&& tr_bencIsDict( &top ) )
{
unsigned int i;
g_string_append( out, "\n[general]\n" );
for( i = 0; i < G_N_ELEMENTS( pref_table ); ++i )
{
const tr_benc * val = tr_bencDictFind( &top,
pref_table[i].oldkey );
if( val != NULL )
{
const char * valstr = val->val.s.s;
if( !strcmp( valstr, "yes" ) ) valstr = "true";
if( !strcmp( valstr, "no" ) ) valstr = "false";
g_string_append_printf( out, "%s=%s\n",
pref_table[i].newkey,
valstr );
}
}
}
g_file_set_contents( newfile, out->str, out->len, NULL );
g_string_free( out, TRUE );
g_free( contents );
}
static void
translate_keyfile_to_json( const char * old_file,
const char * new_file )
{
tr_benc dict;
GKeyFile * keyfile;
gchar ** keys;
gsize i;
gsize length;
static struct pref_entry {
const char* oldkey;
const char* newkey;
} renamed[] = {
{ "default-download-directory", "download-dir" },
{ "encrypted-connections-only", "encryption" },
{ "listening-port", "peer-port" },
{ "nat-traversal-enabled", "port-forwarding-enabled" },
{ "open-dialog-folder", "open-dialog-dir" },
{ "watch-folder", "watch-dir" },
{ "watch-folder-enabled", "watch-dir-enabled" }
};
keyfile = g_key_file_new( );
g_key_file_load_from_file( keyfile, old_file, 0, NULL );
length = 0;
keys = g_key_file_get_keys( keyfile, "general", &length, NULL );
tr_bencInitDict( &dict, length );
for( i = 0; i < length; ++i )
{
guint j;
const char * key = keys[i];
gchar * val = g_key_file_get_value( keyfile, "general", key,
NULL );
for( j = 0; j < G_N_ELEMENTS( renamed ); ++j )
if( !strcmp( renamed[j].oldkey, key ) )
key = renamed[j].newkey;
if( !strcmp( val, "true" ) || !strcmp( val, "false" ) )
tr_bencDictAddInt( &dict, key, !strcmp( val, "true" ) );
else
{
char * end;
long l;
errno = 0;
l = strtol( val, &end, 10 );
if( !errno && end && !*end )
tr_bencDictAddInt( &dict, key, l );
else
tr_bencDictAddStr( &dict, key, val );
}
g_free( val );
}
g_key_file_free( keyfile );
tr_bencSaveJSONFile( new_file, &dict );
tr_bencFree( &dict );
}
static void
cf_check_older_configs( void )
{
char * filename = getPrefsFilename( );
if( !g_file_test( filename, G_FILE_TEST_IS_REGULAR ) )
{
char * key1 = getCompat121PrefsFilename( );
char * key2 = getCompat090PrefsFilename( );
char * benc = getCompat080PrefsFilename( );
if( g_file_test( key1, G_FILE_TEST_IS_REGULAR ) )
{
g_message( _( "Importing \"%s\"" ), key1 );
translate_keyfile_to_json( key1, filename );
}
else if( g_file_test( key2, G_FILE_TEST_IS_REGULAR ) )
{
g_message( _( "Importing \"%s\"" ), key2 );
translate_keyfile_to_json( key2, filename );
}
else if( g_file_test( benc, G_FILE_TEST_IS_REGULAR ) )
{
char * tmpfile;
int fd = g_file_open_tmp( "transmission-prefs-XXXXXX", &tmpfile, NULL );
g_message( _( "Importing \"%s\"" ), benc );
if( fd != -1 ) close( fd );
translate_08_to_09( benc, tmpfile );
translate_keyfile_to_json( tmpfile, filename );
unlink( tmpfile );
}
g_free( benc );
g_free( key2 );
g_free( key1 );
}
g_free( filename );
}
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