static CURL *
createEasy (tr_session * s, struct tr_web * web, struct tr_web_task * task)
{
bool is_default_value;
const tr_address * addr;
CURL * e = task->curl_easy = curl_easy_init ();
task->timeout_secs = getTimeoutFromURL (task);
curl_easy_setopt (e, CURLOPT_AUTOREFERER, 1L);
curl_easy_setopt (e, CURLOPT_ENCODING, "gzip;q=1.0, deflate, identity");
curl_easy_setopt (e, CURLOPT_FOLLOWLOCATION, 1L);
curl_easy_setopt (e, CURLOPT_MAXREDIRS, -1L);
curl_easy_setopt (e, CURLOPT_NOSIGNAL, 1L);
curl_easy_setopt (e, CURLOPT_PRIVATE, task);
#ifdef USE_LIBCURL_SOCKOPT
curl_easy_setopt (e, CURLOPT_SOCKOPTFUNCTION, sockoptfunction);
curl_easy_setopt (e, CURLOPT_SOCKOPTDATA, task);
#endif
if (web->curl_ssl_verify)
{
curl_easy_setopt (e, CURLOPT_CAINFO, web->curl_ca_bundle);
}
else
{
curl_easy_setopt (e, CURLOPT_SSL_VERIFYHOST, 0L);
curl_easy_setopt (e, CURLOPT_SSL_VERIFYPEER, 0L);
}
curl_easy_setopt (e, CURLOPT_TIMEOUT, task->timeout_secs);
curl_easy_setopt (e, CURLOPT_URL, task->url);
curl_easy_setopt (e, CURLOPT_USERAGENT, TR_NAME "/" SHORT_VERSION_STRING);
curl_easy_setopt (e, CURLOPT_VERBOSE, (long)(web->curl_verbose?1:0));
curl_easy_setopt (e, CURLOPT_WRITEDATA, task);
curl_easy_setopt (e, CURLOPT_WRITEFUNCTION, writeFunc);
if (((addr = tr_sessionGetPublicAddress (s, TR_AF_INET, &is_default_value))) && !is_default_value)
curl_easy_setopt (e, CURLOPT_INTERFACE, tr_address_to_string (addr));
else if (((addr = tr_sessionGetPublicAddress (s, TR_AF_INET6, &is_default_value))) && !is_default_value)
curl_easy_setopt (e, CURLOPT_INTERFACE, tr_address_to_string (addr));
if (task->cookies != NULL)
curl_easy_setopt (e, CURLOPT_COOKIE, task->cookies);
if (web->cookie_filename != NULL)
curl_easy_setopt (e, CURLOPT_COOKIEFILE, web->cookie_filename);
if (task->range != NULL)
{
curl_easy_setopt (e, CURLOPT_RANGE, task->range);
/* don't bother asking the server to compress webseed fragments */
curl_easy_setopt (e, CURLOPT_ENCODING, "identity");
}
return e;
}
static CURL *
createEasy( tr_session * s, struct tr_web_task * task )
{
const tr_address * addr;
CURL * e = curl_easy_init( );
const long verbose = getenv( "TR_CURL_VERBOSE" ) != NULL;
if( !task->range && s->isProxyEnabled ) {
const long proxyType = getCurlProxyType( s->proxyType );
curl_easy_setopt( e, CURLOPT_PROXY, s->proxy );
curl_easy_setopt( e, CURLOPT_PROXYAUTH, CURLAUTH_ANY );
curl_easy_setopt( e, CURLOPT_PROXYPORT, s->proxyPort );
curl_easy_setopt( e, CURLOPT_PROXYTYPE, proxyType );
}
if( !task->range && s->isProxyAuthEnabled ) {
char * str = tr_strdup_printf( "%s:%s", s->proxyUsername,
s->proxyPassword );
curl_easy_setopt( e, CURLOPT_PROXYUSERPWD, str );
tr_free( str );
}
curl_easy_setopt( e, CURLOPT_AUTOREFERER, 1L );
curl_easy_setopt( e, CURLOPT_ENCODING, "gzip;q=1.0, deflate, identity" );
curl_easy_setopt( e, CURLOPT_FOLLOWLOCATION, 1L );
curl_easy_setopt( e, CURLOPT_MAXREDIRS, -1L );
curl_easy_setopt( e, CURLOPT_NOSIGNAL, 1L );
curl_easy_setopt( e, CURLOPT_PRIVATE, task );
#ifdef USE_LIBCURL_SOCKOPT
curl_easy_setopt( e, CURLOPT_SOCKOPTFUNCTION, sockoptfunction );
curl_easy_setopt( e, CURLOPT_SOCKOPTDATA, task );
#endif
curl_easy_setopt( e, CURLOPT_SSL_VERIFYHOST, 0L );
curl_easy_setopt( e, CURLOPT_SSL_VERIFYPEER, 0L );
curl_easy_setopt( e, CURLOPT_TIMEOUT, getTimeoutFromURL( task->url ) );
curl_easy_setopt( e, CURLOPT_URL, task->url );
curl_easy_setopt( e, CURLOPT_USERAGENT, TR_NAME "/" SHORT_VERSION_STRING );
curl_easy_setopt( e, CURLOPT_VERBOSE, verbose );
curl_easy_setopt( e, CURLOPT_WRITEDATA, task );
curl_easy_setopt( e, CURLOPT_WRITEFUNCTION, writeFunc );
if(( addr = tr_sessionGetPublicAddress( s, TR_AF_INET )))
curl_easy_setopt( e, CURLOPT_INTERFACE, tr_ntop_non_ts( addr ) );
if( task->range )
curl_easy_setopt( e, CURLOPT_RANGE, task->range );
return e;
}
static CURL *
createEasy( tr_session * s, struct tr_web_task * task )
{
const tr_address * addr;
tr_bool is_default_value;
CURL * e = curl_easy_init( );
const long verbose = getenv( "TR_CURL_VERBOSE" ) != NULL;
char * cookie_filename = tr_buildPath( s->configDir, "cookies.txt", NULL );
task->timeout_secs = getTimeoutFromURL( task );
curl_easy_setopt( e, CURLOPT_AUTOREFERER, 1L );
curl_easy_setopt( e, CURLOPT_COOKIEFILE, cookie_filename );
curl_easy_setopt( e, CURLOPT_ENCODING, "gzip;q=1.0, deflate, identity" );
curl_easy_setopt( e, CURLOPT_FOLLOWLOCATION, 1L );
curl_easy_setopt( e, CURLOPT_MAXREDIRS, -1L );
curl_easy_setopt( e, CURLOPT_NOSIGNAL, 1L );
curl_easy_setopt( e, CURLOPT_PRIVATE, task );
#ifdef USE_LIBCURL_SOCKOPT
curl_easy_setopt( e, CURLOPT_SOCKOPTFUNCTION, sockoptfunction );
curl_easy_setopt( e, CURLOPT_SOCKOPTDATA, task );
#endif
curl_easy_setopt( e, CURLOPT_SSL_VERIFYHOST, 0L );
curl_easy_setopt( e, CURLOPT_SSL_VERIFYPEER, 0L );
curl_easy_setopt( e, CURLOPT_TIMEOUT, task->timeout_secs );
curl_easy_setopt( e, CURLOPT_URL, task->url );
curl_easy_setopt( e, CURLOPT_USERAGENT, TR_NAME "/" SHORT_VERSION_STRING );
curl_easy_setopt( e, CURLOPT_VERBOSE, verbose );
curl_easy_setopt( e, CURLOPT_WRITEDATA, task );
curl_easy_setopt( e, CURLOPT_WRITEFUNCTION, writeFunc );
if((( addr = tr_sessionGetPublicAddress( s, TR_AF_INET, &is_default_value ))) && !is_default_value )
curl_easy_setopt( e, CURLOPT_INTERFACE, tr_ntop_non_ts( addr ) );
else if ((( addr = tr_sessionGetPublicAddress( s, TR_AF_INET6, &is_default_value ))) && !is_default_value )
curl_easy_setopt( e, CURLOPT_INTERFACE, tr_ntop_non_ts( addr ) );
if( task->range )
curl_easy_setopt( e, CURLOPT_RANGE, task->range );
if( s->curl_easy_config_func != NULL )
s->curl_easy_config_func( s, e, task->url );
tr_free( cookie_filename );
return e;
}
static void
addTask( void * vtask )
{
struct tr_web_task * task = vtask;
const tr_session * session = task->session;
if( ( session == NULL ) || ( session->web == NULL ) )
return;
if( !task->resolved_host )
{
dbgmsg( "couldn't resolve host for \"%s\"... task failed", task->url );
task_finish( task, 0 );
}
else
{
CURL * e = curl_easy_init( );
struct tr_web * web = session->web;
const int timeout = getTimeoutFromURL( task->url );
const long verbose = getenv( "TR_CURL_VERBOSE" ) != NULL;
const char * user_agent = TR_NAME "/" SHORT_VERSION_STRING;
/* insert the resolved host into the URL s.t. curl's DNS won't block
* even if -- like on most OSes -- it wasn't built with C-Ares :(
* "http://www.craptrackular.org/announce?key=val&key2=..." becomes
* "http://127.0.0.1/announce?key=val&key2=..." */
{
char * host;
struct evbuffer * buf = evbuffer_new( );
char * pch = strstr( task->url, task->host );
char * tail = pch + strlen( task->host );
evbuffer_add( buf, task->url, pch - task->url );
evbuffer_add_printf( buf, "%s", task->resolved_host );
evbuffer_add_printf( buf, "%s", tail );
task->resolved_url = tr_strndup( EVBUFFER_DATA( buf ), EVBUFFER_LENGTH( buf ) );
dbgmsg( "old url: \"%s\" -- new url: \"%s\"", task->url, task->resolved_url );
evbuffer_free( buf );
/* Manually add a Host: argument that refers to the true URL */
if( ( ( task->port <= 0 ) ) ||
( ( task->port == 80 ) && !strncmp( task->url, "http://", 7 ) ) ||
( ( task->port == 443 ) && !strncmp( task->url, "https://", 8 ) ) )
host = tr_strdup_printf( "Host: %s", task->host );
else
host = tr_strdup_printf( "Host: %s:%d", task->host, task->port );
task->slist = curl_slist_append( NULL, host );
task->slist = curl_slist_append( task->slist, "Accept:" );
curl_easy_setopt( e, CURLOPT_HTTPHEADER, task->slist );
tr_free( host );
}
dbgmsg( "adding task #%lu [%s]", task->tag, task->resolved_url ? task->resolved_url : task->url );
if( !task->range && session->isProxyEnabled ) {
curl_easy_setopt( e, CURLOPT_PROXY, session->proxy );
curl_easy_setopt( e, CURLOPT_PROXYAUTH, CURLAUTH_ANY );
curl_easy_setopt( e, CURLOPT_PROXYPORT, session->proxyPort );
curl_easy_setopt( e, CURLOPT_PROXYTYPE,
getCurlProxyType( session->proxyType ) );
}
if( !task->range && session->isProxyAuthEnabled ) {
char * str = tr_strdup_printf( "%s:%s", session->proxyUsername,
session->proxyPassword );
curl_easy_setopt( e, CURLOPT_PROXYUSERPWD, str );
tr_free( str );
}
task->easy = e;
task->multi = web->multi;
/* use our own timeout instead of CURLOPT_TIMEOUT because the latter
* doesn't play nicely with curl_multi. See curl bug #2501457 */
task->timer_event_isSet = TRUE;
evtimer_set( &task->timer_event, task_timeout_cb, task );
tr_timerAdd( &task->timer_event, timeout, 0 );
curl_easy_setopt( e, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4 );
curl_easy_setopt( e, CURLOPT_SOCKOPTFUNCTION, sockoptfunction );
curl_easy_setopt( e, CURLOPT_SOCKOPTDATA, task );
curl_easy_setopt( e, CURLOPT_WRITEDATA, task );
curl_easy_setopt( e, CURLOPT_WRITEFUNCTION, writeFunc );
curl_easy_setopt( e, CURLOPT_DNS_CACHE_TIMEOUT, MIN_DNS_CACHE_TIME );
curl_easy_setopt( e, CURLOPT_FOLLOWLOCATION, 1L );
curl_easy_setopt( e, CURLOPT_AUTOREFERER, 1L );
curl_easy_setopt( e, CURLOPT_FORBID_REUSE, 1L );
curl_easy_setopt( e, CURLOPT_MAXREDIRS, -1L );
curl_easy_setopt( e, CURLOPT_PRIVATE, task );
curl_easy_setopt( e, CURLOPT_SSL_VERIFYHOST, 0L );
curl_easy_setopt( e, CURLOPT_SSL_VERIFYPEER, 0L );
curl_easy_setopt( e, CURLOPT_URL, task->resolved_url ? task->resolved_url : task->url );
curl_easy_setopt( e, CURLOPT_USERAGENT, user_agent );
curl_easy_setopt( e, CURLOPT_VERBOSE, verbose );
if( web->haveAddr )
curl_easy_setopt( e, CURLOPT_INTERFACE, tr_ntop_non_ts( &web->addr ) );
if( task->range )
curl_easy_setopt( e, CURLOPT_RANGE, task->range );
if( curl_multi_add_handle( web->multi, e ) == CURLM_OK )
++web->taskCount;
}
}
