static int
test_url (void)
{
int port;
char * scheme;
char * host;
char * path;
char * str;
const char * url;
url = "http://1";
check (tr_urlParse (url, TR_BAD_SIZE, &scheme, &host, &port, &path));
check_streq ("http", scheme);
check_streq ("1", host);
check_streq ("/", path);
check_int_eq (80, port);
tr_free (scheme);
tr_free (path);
tr_free (host);
url = "http://www.some-tracker.org/some/path";
check (tr_urlParse (url, TR_BAD_SIZE, &scheme, &host, &port, &path));
check_streq ("http", scheme);
check_streq ("www.some-tracker.org", host);
check_streq ("/some/path", path);
check_int_eq (80, port);
tr_free (scheme);
tr_free (path);
tr_free (host);
url = "http://www.some-tracker.org:80/some/path";
check (tr_urlParse (url, TR_BAD_SIZE, &scheme, &host, &port, &path));
check_streq ("http", scheme);
check_streq ("www.some-tracker.org", host);
check_streq ("/some/path", path);
check_int_eq (80, port);
tr_free (scheme);
tr_free (path);
tr_free (host);
url = "http%3A%2F%2Fwww.example.com%2F~user%2F%3Ftest%3D1%26test1%3D2";
str = tr_http_unescape (url, strlen (url));
check_streq ("http://www.example.com/~user/?test=1&test1=2", str);
tr_free (str);
return 0;
}
static void
doDNS( void * vtask )
{
tr_address addr;
int port = -1;
char * host = NULL;
struct hostent *he;
struct sockaddr_in adr;
struct tr_web_task * task = vtask;
tr_dns_result lookup_result = TR_DNS_UNTESTED;
assert( task->resolved_host == NULL );
if( !tr_urlParse( task->url, -1, NULL, &host, &port, NULL ) )
{
task->port = port;
task->host = host;
/* If 'host' is an IPv4 or IPv6 address in text form, use it as-is.
* Otherwise, see if its resolved name is in our DNS cache */
if( tr_pton( task->host, &addr ) != NULL )
{
task->resolved_host = task->host;
lookup_result = TR_DNS_OK;
}
else
{
if( (he = gethostbyname(host)) ) {
memcpy(&adr.sin_addr, he->h_addr_list[0], he->h_length);
task->resolved_host = strdup(inet_ntoa(adr.sin_addr));
lookup_result = TR_DNS_OK;
}
}
}
if( lookup_result != TR_DNS_UNTESTED )
{
addTask( task );
}
else if( !host || evdns_resolve_ipv4( host, 0, dns_ipv4_done_cb, task ) )
{
dns_ipv4_done_cb( DNS_ERR_UNKNOWN, DNS_IPv4_A, 0, 0, NULL, task );
}
}
/* pattern-matching text; ie, legaltorrents.com */
char*
gtr_get_host_from_url( const char * url )
{
char * h = NULL;
char * name;
tr_urlParse( url, -1, NULL, &h, NULL, NULL );
if( tr_addressIsIP( h ) )
name = g_strdup( h );
else {
const char * first_dot = strchr( h, '.' );
const char * last_dot = strrchr( h, '.' );
if( ( first_dot ) && ( last_dot ) && ( first_dot != last_dot ) )
name = g_strdup( first_dot + 1 );
else
name = g_strdup( h );
}
tr_free( h );
return name;
}
