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transmission/gtk/ipc.c

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/******************************************************************************
* $Id$
*
* Copyright (c) 2006-2008 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 <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <glib/gstdio.h> /* g_unlink */
#include <libevent/evutil.h>
#include <libtransmission/transmission.h>
#include <libtransmission/bencode.h>
#include <libtransmission/ipcparse.h>
#include "conf.h"
#include "ipc.h"
#include "tr-core.h"
#include "tr-io.h"
#include "tr-prefs.h"
#include "tr-torrent.h"
#include "util.h"
#ifndef AF_LOCAL
#define AF_LOCAL AF_UNIX
#endif
#ifndef SUN_LEN
#define SUN_LEN( sun ) \
( sizeof( *(sun) ) - sizeof( (sun)->sun_path ) + strlen( (sun)->sun_path ) )
#endif
/* XXX error handling throughout this file is pretty bogus */
enum contype { CON_SERV, CON_CLIENT };
struct constate_serv
{
GtkWindow * wind;
gpointer core;
};
struct constate_client
{
GMainLoop * loop;
enum ipc_msg msg;
GSList * files;
gboolean * succeeded;
unsigned int msgid;
};
struct constate
{
GSource * source;
int fd;
enum contype type;
struct ipc_funcs * msgs;
struct ipc_info * ipc;
union
{
struct constate_serv serv;
struct constate_client client;
} u;
};
/* this is only used on the server */
static char *gl_sockpath = NULL;
static gboolean
simpleresp( struct constate * con, int64_t tag, enum ipc_msg id )
{
uint8_t * buf;
size_t size;
buf = ipc_mkempty( con->ipc, &size, id, tag );
if( NULL == buf )
{
return FALSE;
}
io_send_keepdata( con->source, buf, size );
return TRUE;
}
static void
all_default( enum ipc_msg id, tr_benc * val UNUSED, int64_t tag, void * arg )
{
switch( id )
{
case IPC_MSG_FAIL:
case IPC_MSG_NOTSUP:
case IPC_MSG_BAD:
case IPC_MSG_OK:
break;
default:
simpleresp( arg, tag, IPC_MSG_NOTSUP );
break;
}
}
static void
destroycon(struct constate *con) {
con->source = NULL;
if(0 <= con->fd)
EVUTIL_CLOSESOCKET(con->fd);
con->fd = -1;
ipc_freecon( con->ipc );
switch(con->type) {
case CON_SERV:
break;
case CON_CLIENT:
ipc_freemsgs( con->msgs );
freestrlist(con->u.client.files);
g_main_loop_quit(con->u.client.loop);
break;
}
}
static void
cli_io_sent( GSource * source UNUSED, size_t id, void *vdata )
{
struct constate_client *cli = &((struct constate*)vdata)->u.client;
if(0 < id && cli->msgid == id) {
*(cli->succeeded) = TRUE;
destroycon(vdata);
}
}
static void
client_sendmsg( struct constate * con )
{
struct constate_client * cli = &con->u.client;
GSList * ii;
uint8_t * buf;
size_t size;
tr_benc packet, * val;
int saved;
switch( cli->msg )
{
case IPC_MSG_ADDMANYFILES:
val = ipc_initval( con->ipc, cli->msg, -1, &packet, TYPE_LIST );
if( NULL == val ||
tr_bencListReserve( val, g_slist_length( cli->files ) ) )
{
perror( "malloc" );
destroycon( con );
return;
}
for( ii = cli->files; NULL != ii; ii = ii->next )
{
tr_bencInitStr( tr_bencListAdd( val ), ii->data, -1, 0 );
}
buf = ipc_serialize( &packet, &size );
saved = errno;
tr_bencFree( &packet );
g_slist_free( cli->files );
cli->files = NULL;
break;
case IPC_MSG_QUIT:
buf = ipc_mkempty( con->ipc, &size, cli->msg, -1 );
saved = errno;
break;
default:
g_assert_not_reached();
return;
}
if( NULL == buf )
{
errno = saved;
perror( "malloc" );
destroycon( con );
return;
}
cli->msgid = io_send_keepdata( con->source, buf, size );
}
static size_t
cli_io_received( GSource * source UNUSED, void * data, size_t len,
void * vdata )
{
struct constate * con = vdata;
struct constate_client * cli = &con->u.client;
ssize_t res;
if( IPC_MIN_MSG_LEN > len )
{
return 0;
}
res = ipc_handleMessages( con->ipc, data, len, con );
if( 0 > res )
{
switch( errno )
{
case EPERM:
g_message( _("Bad IPC protocol version") );
break;
default:
g_message( _("IPC parse error: %s"), g_strerror( errno ) );
break;
}
destroycon( con );
return 0;
}
if( ipc_hasvers( con->ipc ) && 0 == cli->msgid )
{
client_sendmsg( con );
}
return res;
}
static void
all_io_closed(GSource *source UNUSED, void *vdata) {
struct constate *con = vdata;
destroycon(con);
}
static gboolean
client_connect(char *path, struct constate *con) {
struct sockaddr_un addr;
uint8_t * buf;
size_t size;
if(0 > (con->fd = socket(AF_UNIX, SOCK_STREAM, 0))) {
g_message( _("Couldn't create socket: %s"), g_strerror(errno));
return FALSE;
}
memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
strncpy(addr.sun_path, path, sizeof(addr.sun_path) - 1);
if(0 > connect(con->fd, (struct sockaddr*)&addr, SUN_LEN(&addr))) {
g_message( _("Couldn't connect to \"%1$s\": %2$s"), path, g_strerror(errno));
return FALSE;
}
con->source = io_new(con->fd, cli_io_sent, cli_io_received,
all_io_closed, con);
if( NULL == con->source )
{
EVUTIL_CLOSESOCKET( con->fd );
return FALSE;
}
buf = ipc_mkvers( &size, "Transmission GTK+ " LONG_VERSION_STRING );
if( NULL == buf )
{
EVUTIL_CLOSESOCKET( con->fd );
return FALSE;
}
io_send_keepdata( con->source, buf, size );
return TRUE;
}
static gboolean
blocking_client( enum ipc_msg msgid, GSList * files )
{
struct constate *con;
char *path;
gboolean ret = FALSE;
con = g_new0(struct constate, 1);
con->source = NULL;
con->fd = -1;
con->type = CON_CLIENT;
con->msgs = ipc_initmsgs();
if( NULL == con->msgs )
{
g_message( _("Couldn't set up IPC: %s"), g_strerror( errno ) );
g_free( con );
return FALSE;
}
con->ipc = ipc_newcon( con->msgs );
if( NULL == con->ipc )
{
ipc_freemsgs( con->msgs );
g_free( con );
return FALSE;
}
ipc_setdefmsg( con->msgs, all_default );
con->u.client.loop = g_main_loop_new(NULL, TRUE);
con->u.client.msg = msgid;
con->u.client.files = files;
con->u.client.succeeded = &ret;
con->u.client.msgid = 0;
path = cf_sockname();
if(!client_connect(path, con)) {
g_free(path);
destroycon(con);
return FALSE;
}
g_main_loop_run(con->u.client.loop);
return ret;
}
gboolean
ipc_sendfiles_blocking( GSList * files )
{
return blocking_client( IPC_MSG_ADDMANYFILES, files );
}
gboolean
ipc_sendquit_blocking( void )
{
return blocking_client( IPC_MSG_QUIT, NULL );
}
static void
rmsock(void) {
if( gl_sockpath) {
g_unlink(gl_sockpath);
g_free(gl_sockpath);
}
}
static size_t
srv_io_received( GSource * source UNUSED, void * data, size_t len,
void * vdata )
{
struct constate * con = vdata;
struct constate_serv * srv = &con->u.serv;
ssize_t res;
if( IPC_MIN_MSG_LEN > len )
{
return 0;
}
if( NULL == srv->core )
{
destroycon( con );
}
res = ipc_handleMessages( con->ipc, data, len, con );
if( 0 > res )
{
switch( errno )
{
case EPERM:
errmsg( con->u.serv.wind, _("Bad IPC protocol version") );
break;
default:
errmsg( con->u.serv.wind, _("IPC parse error: %s"), g_strerror( errno ) );
break;
}
destroycon( con );
return 0;
}
return res;
}
static void
srv_io_accept(GSource *source UNUSED, int fd, struct sockaddr *sa UNUSED,
socklen_t len UNUSED, void *vdata) {
struct constate *con = vdata;
struct constate *newcon;
uint8_t * buf;
size_t size;
newcon = g_new(struct constate, 1);
memcpy(newcon, con, sizeof(*newcon));
newcon->fd = fd;
newcon->ipc = ipc_newcon( con->msgs );
if( NULL == newcon->ipc )
{
g_free( newcon );
EVUTIL_CLOSESOCKET( fd );
return;
}
newcon->source = io_new(fd, NULL, srv_io_received, all_io_closed, newcon);
if( NULL == newcon->source )
{
ipc_freecon( newcon->ipc );
g_free( newcon );
EVUTIL_CLOSESOCKET( fd );
return;
}
buf = ipc_mkvers( &size, "Transmission GTK+ " LONG_VERSION_STRING );
if( NULL == buf )
{
ipc_freecon( newcon->ipc );
g_free( newcon );
EVUTIL_CLOSESOCKET( fd );
return;
}
io_send_keepdata( newcon->source, buf, size );
}
/* open a local socket for clients connections */
static void
serv_bind(struct constate *con) {
struct sockaddr_un sa;
rmsock();
gl_sockpath = cf_sockname();
if(0 > (con->fd = socket(AF_LOCAL, SOCK_STREAM, 0)))
goto fail;
memset(&sa, 0, sizeof(sa));
sa.sun_family = AF_LOCAL;
strncpy(sa.sun_path, gl_sockpath, sizeof(sa.sun_path) - 1);
/* unlink any existing socket file before trying to create ours */
g_unlink(gl_sockpath);
if(0 > bind(con->fd, (struct sockaddr *)&sa, SUN_LEN(&sa))) {
/* bind may fail if there was already a socket, so try twice */
g_unlink(gl_sockpath);
if(0 > bind(con->fd, (struct sockaddr *)&sa, SUN_LEN(&sa)))
goto fail;
}
if(0 > listen(con->fd, 5))
goto fail;
con->source = io_new_listening(con->fd, sizeof(struct sockaddr_un),
srv_io_accept, all_io_closed, con);
g_atexit(rmsock);
return;
fail:
errmsg(con->u.serv.wind, _("Couldn't create socket: %s"),
g_strerror(errno));
if(0 <= con->fd)
EVUTIL_CLOSESOCKET(con->fd);
con->fd = -1;
rmsock();
}
static void
smsg_add( enum ipc_msg id UNUSED, tr_benc * val, int64_t tag, void * arg )
{
struct constate * con = arg;
struct constate_serv * srv = &con->u.serv;
tr_benc * path;
int ii;
GSList * list = NULL;
if( !tr_bencIsList( val ) )
{
simpleresp( con, tag, IPC_MSG_BAD );
return;
}
for( ii = 0; ii < val->val.l.count; ii++ )
{
path = val->val.l.vals + ii;
if( TYPE_STR == path->type &&
/* XXX somehow escape invalid utf-8 */
g_utf8_validate( path->val.s.s, path->val.s.i, NULL ) )
{
list = g_slist_prepend( list, g_strndup( path->val.s.s, path->val.s.i ) );
}
}
if( list ) {
list = g_slist_reverse( list );
tr_core_add_list_defaults( srv->core, list );
tr_core_torrents_added( TR_CORE( srv->core ) );
}
/* XXX should send info response back with torrent ids */
simpleresp( con, tag, IPC_MSG_OK );
}
static void
smsg_addone( enum ipc_msg id UNUSED, tr_benc * val, int64_t tag,
void * arg )
{
struct constate * con = arg;
struct constate_serv * srv = &con->u.serv;
tr_benc * file, * data, * dir, * start;
tr_ctor * ctor;
if( !tr_bencIsDict( val ) )
{
simpleresp( con, tag, IPC_MSG_BAD );
return;
}
file = tr_bencDictFind( val, "file" );
data = tr_bencDictFind( val, "data" );
dir = tr_bencDictFind( val, "directory" );
start = tr_bencDictFind( val, "autostart" );
if( ( file && !tr_bencIsString( file ) ) ||
( data && !tr_bencIsString( data ) ) ||
( dir && !tr_bencIsString( dir ) ) ||
( start && !tr_bencIsInt( start ) ) )
{
simpleresp( con, tag, IPC_MSG_BAD );
return;
}
ctor = tr_ctorNew( tr_core_handle( srv->core ) );
if( dir )
tr_ctorSetDestination( ctor, TR_FORCE, dir->val.s.s );
if( file )
tr_ctorSetMetainfoFromFile( ctor, file->val.s.s );
if( data )
tr_ctorSetMetainfo( ctor, (uint8_t*)data->val.s.s, data->val.s.i );
if( start )
tr_ctorSetPaused( ctor, TR_FORCE, !start->val.i );
tr_core_add_ctor( TR_CORE( srv->core ), ctor );
tr_core_torrents_added( TR_CORE( srv->core ) );
/* XXX should send info response back with torrent ids */
simpleresp( con, tag, IPC_MSG_OK );
}
static void
smsg_quit( enum ipc_msg id UNUSED, tr_benc * val UNUSED, int64_t tag UNUSED,
void * arg UNUSED )
{
struct constate * con = arg;
struct constate_serv * srv = &con->u.serv;
tr_core_quit( srv->core );
}
static void
smsg_noop( enum ipc_msg id UNUSED, tr_benc * val UNUSED, int64_t tag,
void * arg )
{
simpleresp( arg, tag, IPC_MSG_OK );
}
static TrTorrent *
findtorid( TrCore * core, int id, GtkTreeIter * iter )
{
GtkTreeModel * model;
GtkTreeIter myiter;
int rowid;
TrTorrent * tor;
if( NULL == iter )
{
iter = &myiter;
}
model = tr_core_model( core );
if( gtk_tree_model_get_iter_first( model, iter ) )
{
do
{
gtk_tree_model_get( model, iter, MC_ID, &rowid, -1 );
if( rowid == id )
{
gtk_tree_model_get( model, iter, MC_TORRENT, &tor, -1 );
g_object_unref( tor );
return tor;
}
}
while( gtk_tree_model_iter_next( model, iter ) );
}
return NULL;
}
static int
addinfo( TrTorrent * tor, enum ipc_msg msgid, int torid, int types,
tr_benc * val )
{
if( IPC_MSG_INFO == msgid )
{
const tr_info * inf = tr_torrent_info( tor );
return ipc_addinfo( val, torid, inf, types );
}
else
{
const tr_stat * st = tr_torrent_stat( tor );
return ipc_addstat( val, torid, st, types );
}
}
static void
smsg_info( enum ipc_msg id, tr_benc * val, int64_t tag, void * arg )
{
struct constate * con = arg;
struct constate_serv * srv = &con->u.serv;
enum ipc_msg respid;
tr_benc * ids, * types, * idval, packet, * pkval;
int typeflags, ii;
TrTorrent * tor;
uint8_t * buf;
size_t size;
if( !tr_bencIsDict( val ) )
{
simpleresp( con, tag, IPC_MSG_BAD );
return;
}
respid = ( IPC_MSG_GETINFO == id ? IPC_MSG_INFO : IPC_MSG_STAT );
ids = tr_bencDictFind( val, "id" );
types = tr_bencDictFind( val, "types" );
if( !tr_bencIsList(ids) || !tr_bencIsList(types) )
{
simpleresp( con, tag, IPC_MSG_BAD );
return;
}
typeflags = ipc_infotypes( respid, types );
pkval = ipc_initval( con->ipc, respid, tag, &packet, TYPE_LIST );
if( NULL == pkval )
{
simpleresp( con, tag, IPC_MSG_FAIL );
return;
}
for( ii = 0; ids->val.l.count > ii; ii++ )
{
idval = &ids->val.l.vals[ii];
if( TYPE_INT != idval->type || !TORRENT_ID_VALID( idval->val.i ) ||
NULL == ( tor = findtorid( srv->core, idval->val.i, NULL ) ) )
{
continue;
}
if( 0 > addinfo( tor, respid, idval->val.i, typeflags, pkval ) )
{
tr_bencFree( &packet );
simpleresp( con, tag, IPC_MSG_FAIL );
return;
}
}
buf = ipc_serialize( &packet, &size );
tr_bencFree( &packet );
if( NULL == buf )
{
simpleresp( con, tag, IPC_MSG_FAIL );
}
else
{
io_send_keepdata( con->source, buf, size );
}
}
static void
smsg_infoall( enum ipc_msg id, tr_benc * val, int64_t tag, void * arg )
{
struct constate * con = arg;
struct constate_serv * srv = &con->u.serv;
enum ipc_msg respid;
tr_benc packet, * pkval;
int typeflags;
GtkTreeModel * model;
GtkTreeIter iter;
int rowid;
TrTorrent * tor;
uint8_t * buf;
size_t size;
if( !tr_bencIsList( val ) )
{
simpleresp( con, tag, IPC_MSG_BAD );
return;
}
respid = ( IPC_MSG_GETINFOALL == id ? IPC_MSG_INFO : IPC_MSG_STAT );
typeflags = ipc_infotypes( respid, val );
pkval = ipc_initval( con->ipc, respid, tag, &packet, TYPE_LIST );
if( NULL == pkval )
{
simpleresp( con, tag, IPC_MSG_FAIL );
return;
}
model = tr_core_model( srv->core );
if( gtk_tree_model_get_iter_first( model, &iter ) )
{
do
{
gtk_tree_model_get( model, &iter, MC_ID, &rowid,
MC_TORRENT, &tor, -1 );
g_object_unref( tor );
if( 0 > addinfo( tor, respid, rowid, typeflags, pkval ) )
{
tr_bencFree( &packet );
simpleresp( con, tag, IPC_MSG_FAIL );
return;
}
}
while( gtk_tree_model_iter_next( model, &iter ) );
}
buf = ipc_serialize( &packet, &size );
tr_bencFree( &packet );
if( NULL == buf )
{
simpleresp( con, tag, IPC_MSG_FAIL );
}
else
{
io_send_keepdata( con->source, buf, size );
}
}
static TrTorrent *
findtorhash( TrCore * core, const char * hash, int * torid )
{
GtkTreeModel * model;
GtkTreeIter iter;
char * rowhash;
TrTorrent * tor;
model = tr_core_model( core );
if( gtk_tree_model_get_iter_first( model, &iter ) )
{
do
{
gtk_tree_model_get( model, &iter, MC_HASH, &rowhash, -1 );
if( 0 == strcmp( hash, rowhash ) )
{
gtk_tree_model_get( model, &iter, MC_ID, torid,
MC_TORRENT, &tor, -1 );
g_object_unref( tor );
return tor;
}
}
while( gtk_tree_model_iter_next( model, &iter ) );
}
return NULL;
}
static void
smsg_look( enum ipc_msg id UNUSED, tr_benc * val, int64_t tag,
void * arg )
{
struct constate * con = arg;
struct constate_serv * srv = &con->u.serv;
tr_benc packet, * pkval, * hash;
int ii, torid;
TrTorrent * tor;
const tr_info * inf;
uint8_t * buf;
size_t size;
if( !tr_bencIsList( val ) )
{
simpleresp( con, tag, IPC_MSG_BAD );
return;
}
pkval = ipc_initval( con->ipc, IPC_MSG_INFO, tag, &packet, TYPE_LIST );
if( NULL == pkval )
{
simpleresp( con, tag, IPC_MSG_FAIL );
return;
}
for( ii = 0; val->val.l.count > ii; ii++ )
{
hash = &val->val.l.vals[ii];
if( NULL == hash || TYPE_STR != hash->type ||
SHA_DIGEST_LENGTH * 2 != hash->val.s.i ||
NULL == ( tor = findtorhash( srv->core, hash->val.s.s, &torid ) ) )
{
continue;
}
inf = tr_torrent_info( tor );
if( 0 > ipc_addinfo( pkval, torid, inf, IPC_INF_HASH ) )
{
tr_bencFree( &packet );
simpleresp( con, tag, IPC_MSG_FAIL );
return;
}
}
buf = ipc_serialize( &packet, &size );
tr_bencFree( &packet );
if( NULL == buf )
{
simpleresp( con, tag, IPC_MSG_FAIL );
}
else
{
io_send_keepdata( con->source, buf, size );
}
}
static void
smsg_tor( enum ipc_msg id, tr_benc * val, int64_t tag, void * arg )
{
struct constate * con = arg;
struct constate_serv * srv = &con->u.serv;
tr_benc * idval;
TrTorrent * tor;
GtkTreeIter iter;
int ii;
if( !tr_bencIsList( val ) )
{
simpleresp( con, tag, IPC_MSG_BAD );
return;
}
for( ii = 0; val->val.l.count > ii; ii++ )
{
idval = &val->val.l.vals[ii];
if( TYPE_INT != idval->type || !TORRENT_ID_VALID( idval->val.i ) ||
NULL == ( tor = findtorid( srv->core, idval->val.i, &iter ) ) )
{
continue;
}
switch( id )
{
case IPC_MSG_REMOVE:
tr_core_delete_torrent( srv->core, &iter );
break;
case IPC_MSG_START:
tr_torrent_start( tor );
break;
case IPC_MSG_STOP:
tr_torrent_stop( tor );
break;
case IPC_MSG_VERIFY:
tr_torrentVerify( tr_torrent_handle( tor ) );
break;
default:
g_assert_not_reached();
break;
}
}
tr_core_update( srv->core );
/* XXX this is a lie */
simpleresp( con, tag, IPC_MSG_OK );
}
static void
smsg_torall( enum ipc_msg id, tr_benc * val UNUSED, int64_t tag,
void * arg )
{
struct constate * con = arg;
struct constate_serv * srv = &con->u.serv;
TrTorrent * tor;
GtkTreeModel * model;
GtkTreeIter iter;
model = tr_core_model( srv->core );
if( gtk_tree_model_get_iter_first( model, &iter ) )
{
do
{
gtk_tree_model_get( model, &iter, MC_TORRENT, &tor, -1 );
switch( id )
{
case IPC_MSG_REMOVEALL:
tr_core_delete_torrent( srv->core, &iter );
break;
case IPC_MSG_STARTALL:
tr_torrent_start( tor );
break;
case IPC_MSG_STOPALL:
tr_torrent_stop( tor );
break;
default:
g_assert_not_reached();
break;
}
g_object_unref( tor );
}
while( gtk_tree_model_iter_next( model, &iter ) );
}
tr_core_update( srv->core );
/* XXX this is a lie */
simpleresp( con, tag, IPC_MSG_OK );
}
#define TR_NAT_TRAVERSAL_IS_DISABLED( st ) \
( TR_NAT_TRAVERSAL_UNMAPPED == (st) || TR_NAT_TRAVERSAL_UNMAPPING == (st) )
static void
smsg_pref( enum ipc_msg id, tr_benc * val UNUSED, int64_t tag, void * arg )
{
struct constate * con = arg;
struct constate_serv * srv = &con->u.serv;
uint8_t * buf;
size_t size;
const tr_handle_status * hstat;
const char * pref;
int num;
switch( id )
{
case IPC_MSG_GETAUTOMAP:
hstat = tr_handleStatus( tr_core_handle( srv->core ) );
buf = ipc_mkint( con->ipc, &size, IPC_MSG_AUTOMAP, tag,
!TR_NAT_TRAVERSAL_IS_DISABLED(
hstat->natTraversalStatus ) );
break;
case IPC_MSG_GETAUTOSTART:
buf = ipc_mkint( con->ipc, &size, IPC_MSG_AUTOSTART, tag, 1 );
break;
case IPC_MSG_GETDIR:
/* XXX sending back "" when we're prompting is kind of bogus */
pref = pref_flag_get( PREF_KEY_OPTIONS_PROMPT ) ? "" : getdownloaddir();
buf = ipc_mkstr( con->ipc, &size, IPC_MSG_DIR, tag, pref );
break;
case IPC_MSG_GETDOWNLIMIT:
num = pref_flag_get( PREF_KEY_DL_LIMIT_ENABLED )
? pref_int_get( PREF_KEY_DL_LIMIT )
: -1;
buf = ipc_mkint( con->ipc, &size, IPC_MSG_DOWNLIMIT, tag, num );
break;
case IPC_MSG_GETPEX:
buf = ipc_mkint( con->ipc, &size, IPC_MSG_PEX, tag,
pref_flag_get( PREF_KEY_PEX ) );
break;
case IPC_MSG_GETPORT:
buf = ipc_mkint( con->ipc, &size, IPC_MSG_PORT, tag,
pref_flag_get( PREF_KEY_PORT ) );
break;
case IPC_MSG_GETUPLIMIT:
num = pref_flag_get( PREF_KEY_UL_LIMIT_ENABLED )
? pref_int_get( PREF_KEY_UL_LIMIT )
: -1;
buf = ipc_mkint( con->ipc, &size, IPC_MSG_UPLIMIT, tag, num );
break;
default:
g_assert_not_reached();
return;
}
if( NULL != buf )
{
io_send_keepdata( con->source, buf, size );
}
}
static void
smsg_int( enum ipc_msg id, tr_benc * val, int64_t tag, void * arg )
{
struct constate * con = arg;
struct constate_serv * srv = &con->u.serv;
if( !tr_bencIsInt( val ) || INT_MAX < val->val.i )
{
simpleresp( con, tag, IPC_MSG_BAD );
return;
}
switch( id )
{
case IPC_MSG_AUTOMAP:
tr_core_set_pref_bool( srv->core, PREF_KEY_NAT, val->val.i );
break;
case IPC_MSG_AUTOSTART:
simpleresp( con, tag, IPC_MSG_BAD );
return;
case IPC_MSG_DOWNLIMIT:
if( 0 > val->val.i )
{
tr_core_set_pref_bool( srv->core, PREF_KEY_DL_LIMIT_ENABLED, 0 );
}
else
{
tr_core_set_pref_int( srv->core, PREF_KEY_DL_LIMIT, val->val.i );
tr_core_set_pref_bool( srv->core, PREF_KEY_DL_LIMIT_ENABLED, 1 );
}
break;
case IPC_MSG_PEX:
tr_core_set_pref_bool( srv->core, PREF_KEY_PEX, val->val.i );
break;
case IPC_MSG_PORT:
tr_core_set_pref_int( srv->core, PREF_KEY_PORT, val->val.i );
break;
case IPC_MSG_UPLIMIT:
if( 0 > val->val.i )
{
tr_core_set_pref_bool( srv->core, PREF_KEY_UL_LIMIT_ENABLED, 0 );
}
else
{
tr_core_set_pref_int( srv->core, PREF_KEY_UL_LIMIT, val->val.i );
tr_core_set_pref_bool( srv->core, PREF_KEY_UL_LIMIT_ENABLED, 1 );
}
break;
default:
g_assert_not_reached();
return;
}
}
static void
smsg_str( enum ipc_msg id, tr_benc * val, int64_t tag, void * arg )
{
struct constate * con = arg;
struct constate_serv * srv = &con->u.serv;
if( !tr_bencIsString( val ) )
{
simpleresp( con, tag, IPC_MSG_BAD );
return;
}
switch( id )
{
case IPC_MSG_DIR:
tr_core_set_pref( srv->core, PREF_KEY_DIR_DEFAULT, val->val.s.s );
break;
default:
g_assert_not_reached();
return;
}
}
static void
smsg_sup( enum ipc_msg id UNUSED, tr_benc * val, int64_t tag, void * arg )
{
struct constate * con = arg;
tr_benc packet, * pkval;
int ii;
enum ipc_msg found;
uint8_t * buf;
size_t size;
if( !tr_bencIsList( val ) )
{
simpleresp( con, tag, IPC_MSG_BAD );
return;
}
pkval = ipc_initval( con->ipc, IPC_MSG_SUP, tag, &packet, TYPE_LIST );
if( NULL == pkval )
{
simpleresp( con, tag, IPC_MSG_FAIL );
return;
}
if( tr_bencListReserve( pkval, val->val.l.count ) )
{
tr_bencFree( &packet );
simpleresp( con, tag, IPC_MSG_FAIL );
return;
}
for( ii = 0; val->val.l.count > ii; ii++ )
{
tr_benc * name = &val->val.l.vals[ii];
if( !tr_bencIsString( name ) )
continue;
found = ipc_msgid( con->ipc, name->val.s.s );
if( IPC__MSG_COUNT == found || !ipc_ishandled( con->ipc, found ) )
continue;
tr_bencInitStr( tr_bencListAdd( pkval ),
name->val.s.s, name->val.s.i, 1 );
}
buf = ipc_serialize( &packet, &size );
tr_bencFree( &packet );
if( !buf )
simpleresp( con, tag, IPC_MSG_FAIL );
else
io_send_keepdata( con->source, buf, size );
}
void
ipc_socket_setup( GtkWindow * parent, TrCore * core )
{
struct constate *con;
con = g_new0(struct constate, 1);
con->source = NULL;
con->fd = -1;
con->type = CON_SERV;
con->msgs = ipc_initmsgs();
if( NULL == con->msgs )
{
errmsg( con->u.serv.wind, _("Couldn't set up IPC: %s"),
g_strerror( errno ) );
g_free( con );
return;
}
ipc_addmsg( con->msgs, IPC_MSG_ADDMANYFILES, smsg_add );
ipc_addmsg( con->msgs, IPC_MSG_ADDONEFILE, smsg_addone );
ipc_addmsg( con->msgs, IPC_MSG_AUTOMAP, smsg_int );
ipc_addmsg( con->msgs, IPC_MSG_AUTOSTART, smsg_int );
ipc_addmsg( con->msgs, IPC_MSG_DIR, smsg_str );
ipc_addmsg( con->msgs, IPC_MSG_DOWNLIMIT, smsg_int );
ipc_addmsg( con->msgs, IPC_MSG_GETAUTOMAP, smsg_pref );
ipc_addmsg( con->msgs, IPC_MSG_GETAUTOSTART, smsg_pref );
ipc_addmsg( con->msgs, IPC_MSG_GETDIR, smsg_pref );
ipc_addmsg( con->msgs, IPC_MSG_GETDOWNLIMIT, smsg_pref );
ipc_addmsg( con->msgs, IPC_MSG_GETINFO, smsg_info );
ipc_addmsg( con->msgs, IPC_MSG_GETINFOALL, smsg_infoall );
ipc_addmsg( con->msgs, IPC_MSG_GETPEX, smsg_pref );
ipc_addmsg( con->msgs, IPC_MSG_GETPORT, smsg_pref );
ipc_addmsg( con->msgs, IPC_MSG_GETSTAT, smsg_info );
ipc_addmsg( con->msgs, IPC_MSG_GETSTATALL, smsg_infoall );
ipc_addmsg( con->msgs, IPC_MSG_GETUPLIMIT, smsg_pref );
ipc_addmsg( con->msgs, IPC_MSG_LOOKUP, smsg_look );
ipc_addmsg( con->msgs, IPC_MSG_NOOP, smsg_noop );
ipc_addmsg( con->msgs, IPC_MSG_PEX, smsg_int );
ipc_addmsg( con->msgs, IPC_MSG_PORT, smsg_int );
ipc_addmsg( con->msgs, IPC_MSG_QUIT, smsg_quit );
ipc_addmsg( con->msgs, IPC_MSG_REMOVE, smsg_tor );
ipc_addmsg( con->msgs, IPC_MSG_REMOVEALL, smsg_torall );
ipc_addmsg( con->msgs, IPC_MSG_START, smsg_tor );
ipc_addmsg( con->msgs, IPC_MSG_STARTALL, smsg_torall );
ipc_addmsg( con->msgs, IPC_MSG_STOP, smsg_tor );
ipc_addmsg( con->msgs, IPC_MSG_STOPALL, smsg_torall );
ipc_addmsg( con->msgs, IPC_MSG_SUP, smsg_sup );
ipc_addmsg( con->msgs, IPC_MSG_UPLIMIT, smsg_int );
ipc_addmsg( con->msgs, IPC_MSG_VERIFY, smsg_tor );
ipc_setdefmsg( con->msgs, all_default );
con->u.serv.wind = parent;
con->u.serv.core = core;
g_object_add_weak_pointer( G_OBJECT( core ), &con->u.serv.core );
serv_bind(con);
}
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