Bump liberty

1 files changed, 0 insertions, 240 deletions

diff --git a/common.c b/common.c
index 8ce16c4..b104e0e 100644
--- a/common.c
+++ b/common.c
@@ -41,12 +41,6 @@
 		return false;                                                          \
 	BLOCK_END
 
-// A few other debugging shorthands
-#define LOG_FUNC_FAILURE(name, desc)                                           \
-	print_debug ("%s: %s: %s", __func__, (name), (desc))
-#define LOG_LIBC_FAILURE(name)                                                 \
-	print_debug ("%s: %s: %s", __func__, (name), strerror (errno))
-
 // --- To be moved to liberty --------------------------------------------------
 
 static void
@@ -90,240 +84,6 @@ log_message_syslog (void *user_data, const char *quote, const char *fmt,
 		syslog (prio, "%s%s", quote, buf);
 }
 
-// --- Connector ---------------------------------------------------------------
-
-// This is a helper that tries to establish a connection with any address on
-// a given list.  Sadly it also introduces a bit of a callback hell.
-
-struct connector_target
-{
-	LIST_HEADER (struct connector_target)
-
-	char *hostname;                     ///< Target hostname or address
-	char *service;                      ///< Target service name or port
-
-	struct addrinfo *results;           ///< Resolved target
-	struct addrinfo *iter;              ///< Current endpoint
-};
-
-static struct connector_target *
-connector_target_new (void)
-{
-	struct connector_target *self = xmalloc (sizeof *self);
-	return self;
-}
-
-static void
-connector_target_destroy (struct connector_target *self)
-{
-	free (self->hostname);
-	free (self->service);
-	freeaddrinfo (self->results);
-	free (self);
-}
-
-// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
-struct connector
-{
-	int socket;                         ///< Socket FD for the connection
-	struct poller_fd connected_event;   ///< We've connected or failed
-	struct connector_target *targets;   ///< Targets
-	struct connector_target *targets_t; ///< Tail of targets
-
-	void *user_data;                    ///< User data for callbacks
-
-	// You may destroy the connector object in these two main callbacks:
-
-	/// Connection has been successfully established
-	void (*on_connected) (void *user_data, int socket);
-	/// Failed to establish a connection to either target
-	void (*on_failure) (void *user_data);
-
-	// Optional:
-
-	/// Connecting to a new address
-	void (*on_connecting) (void *user_data, const char *address);
-	/// Connecting to the last address has failed
-	void (*on_error) (void *user_data, const char *error);
-};
-
-static void
-connector_notify_connecting (struct connector *self,
-	struct connector_target *target, struct addrinfo *gai_iter)
-{
-	if (!self->on_connecting)
-		return;
-
-	const char *real_host = target->hostname;
-
-	// We don't really need this, so we can let it quietly fail
-	char buf[NI_MAXHOST];
-	int err = getnameinfo (gai_iter->ai_addr, gai_iter->ai_addrlen,
-		buf, sizeof buf, NULL, 0, NI_NUMERICHOST);
-	if (err)
-		LOG_FUNC_FAILURE ("getnameinfo", gai_strerror (err));
-	else
-		real_host = buf;
-
-	char *address = format_host_port_pair (real_host, target->service);
-	self->on_connecting (self->user_data, address);
-	free (address);
-}
-
-static void
-connector_notify_error (struct connector *self, const char *error)
-{
-	if (self->on_error)
-		self->on_error (self->user_data, error);
-}
-
-static void
-connector_prepare_next (struct connector *self)
-{
-	struct connector_target *target = self->targets;
-	if (!(target->iter = target->iter->ai_next))
-	{
-		LIST_UNLINK_WITH_TAIL (self->targets, self->targets_t, target);
-		connector_target_destroy (target);
-	}
-}
-
-static void
-connector_step (struct connector *self)
-{
-	struct connector_target *target = self->targets;
-	if (!target)
-	{
-		// Total failure, none of the targets has succeeded
-		self->on_failure (self->user_data);
-		return;
-	}
-
-	struct addrinfo *gai_iter = target->iter;
-	hard_assert (gai_iter != NULL);
-
-	connector_notify_connecting (self, target, gai_iter);
-
-	int fd = socket (gai_iter->ai_family,
-		gai_iter->ai_socktype, gai_iter->ai_protocol);
-	if (fd == -1)
-	{
-		connector_notify_error (self, strerror (errno));
-
-		connector_prepare_next (self);
-		connector_step (self);
-		return;
-	}
-
-	set_cloexec (fd);
-	set_blocking (fd, false);
-
-	int yes = 1;
-	soft_assert (setsockopt (fd, SOL_SOCKET, SO_KEEPALIVE,
-		&yes, sizeof yes) != -1);
-
-	if (!connect (fd, gai_iter->ai_addr, gai_iter->ai_addrlen))
-	{
-		set_blocking (fd, true);
-		self->on_connected (self->user_data, fd);
-		return;
-	}
-	if (errno != EINPROGRESS)
-	{
-		connector_notify_error (self, strerror (errno));
-		xclose (fd);
-
-		connector_prepare_next (self);
-		connector_step (self);
-		return;
-	}
-
-	self->connected_event.fd = self->socket = fd;
-	poller_fd_set (&self->connected_event, POLLOUT);
-
-	connector_prepare_next (self);
-}
-
-static void
-connector_on_ready (const struct pollfd *pfd, struct connector *self)
-{
-	// See http://cr.yp.to/docs/connect.html if this doesn't work.
-	// The second connect() method doesn't work with DragonflyBSD.
-
-	int error = 0;
-	socklen_t error_len = sizeof error;
-	hard_assert (!getsockopt (pfd->fd,
-		SOL_SOCKET, SO_ERROR, &error, &error_len));
-
-	if (error)
-	{
-		connector_notify_error (self, strerror (error));
-
-		poller_fd_reset (&self->connected_event);
-		xclose (self->socket);
-		self->socket = -1;
-
-		connector_step (self);
-	}
-	else
-	{
-		poller_fd_reset (&self->connected_event);
-		self->socket = -1;
-
-		set_blocking (pfd->fd, true);
-		self->on_connected (self->user_data, pfd->fd);
-	}
-}
-
-static void
-connector_init (struct connector *self, struct poller *poller)
-{
-	memset (self, 0, sizeof *self);
-	self->socket = -1;
-	poller_fd_init (&self->connected_event, poller, self->socket);
-	self->connected_event.user_data = self;
-	self->connected_event.dispatcher = (poller_fd_fn) connector_on_ready;
-}
-
-static void
-connector_free (struct connector *self)
-{
-	poller_fd_reset (&self->connected_event);
-	if (self->socket != -1)
-		xclose (self->socket);
-
-	LIST_FOR_EACH (struct connector_target, iter, self->targets)
-		connector_target_destroy (iter);
-}
-
-static bool
-connector_add_target (struct connector *self,
-	const char *hostname, const char *service, struct error **e)
-{
-	struct addrinfo hints, *results;
-	memset (&hints, 0, sizeof hints);
-	hints.ai_socktype = SOCK_STREAM;
-
-	// TODO: even this should be done asynchronously, most likely in
-	//   a thread pool, similarly to how libuv does it
-	int err = getaddrinfo (hostname, service, &hints, &results);
-	if (err)
-	{
-		error_set (e, "%s: %s", "getaddrinfo", gai_strerror (err));
-		return false;
-	}
-
-	struct connector_target *target = connector_target_new ();
-	target->hostname = xstrdup (hostname);
-	target->service = xstrdup (service);
-	target->results = results;
-	target->iter = target->results;
-
-	LIST_APPEND_WITH_TAIL (self->targets, self->targets_t, target);
-	return true;
-}
-
 // --- SOCKS 5/4a --------------------------------------------------------------
 
 // Asynchronous SOCKS connector.  Adds more stuff on top of the regular one.