X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=client.h;h=6e438f7ed15179da1817aea1c738712e229d7223;hp=98dc32db5fdd547db412836e2f0925436064c3e7;hb=fb4022dfafa1d6f86f741767ecaed8e41c53352a;hpb=c42e45c5ae4b150faaad0c30e53ff323cfe3787a

diff --git a/client.h b/client.h
index 98dc32db..6e438f7e 100644
--- a/client.h
+++ b/client.h
@@ -1,44 +1,43 @@
 /*
- * Copyright (C) 1997-2009 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 1997-2013 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
 
 /** \file client.h Common client functions and exported symbols from client_common.c. */
 
-#include <openssl/rc4.h>
-
 /** The different states of a connection from the view of the client. */
 enum {
 	/** TCP connection is established. */
 	CL_CONNECTED,
 	/** Server sends the welcome message. */
 	CL_RECEIVED_WELCOME,
-	/** Client sends the authentification request. */
+	/** Client sends the authentication request. */
 	CL_SENT_AUTH,
-	/** Server sends a challenge. */
+	/** Server sends encrypted challenge. */
 	CL_RECEIVED_CHALLENGE,
 	/** Client solves the challenge and sends the result. */
 	CL_SENT_CH_RESPONSE,
 	/** Server accepts this authentication. */
 	CL_RECEIVED_PROCEED,
-	/** Client sends the command. */
-	CL_SENT_COMMAND,
-	/** Server expects data. */
+	/** Command is executing. */
+	CL_EXECUTING,
+	/** Server is expecting data (addblob commands only). */
 	CL_SENDING,
-	/** Client expects data. */
-	CL_RECEIVING,
 };
 
-/** The size of the receiving buffer. */
-#define CLIENT_BUFSIZE 8192
-
 /** Data specific to a client task. */
 struct client_task {
 	/** The state of the connection. */
 	int status;
-	/** The file descriptor and the rc4 keys. */
-	struct rc4_context rc4c;
+	/** The file descriptor and the session keys. */
+	struct stream_cipher_context scc;
+	/** The sideband contexts for receiving/sending. */
+	struct sb_context *sbc[2];
+	/** The buffer tree nodes for receiving/sending. */
+	struct btr_node *btrn[2];
+	/** The hash value of the decrypted challenge. */
+	unsigned char *challenge_hash;
 	/** The configuration (including the command). */
 	struct client_args_info conf;
 	/** The config file for client options. */
@@ -49,22 +48,16 @@ struct client_task {
 	char *user;
 	/** The client task structure. */
 	struct task task;
-	/** The buffer used for handshake and receiving. */
-	char *buf;
-	/** Number of bytes loaded in \a buf. */
-	size_t loaded;
-	/** Non-zero if the pre_select hook added \a fd to the read fd set. */
-	int check_r;
-	/** Non-zero if the pre_select hook added \a fd to the write fd set. */
-	int check_w;
-	/** Pointer to the data to be sent to para_server. */
-	char *inbuf;
-	/** Number of bytes loaded in \a inbuf. */
-	size_t *in_loaded;
-	/** Non-zero if input task encountered an eof or an error condition. */
-	int *in_error;
+	/** List of features supported by the server. */
+	char **features;
 };
 
+void client_disconnect(struct client_task *ct);
 void client_close(struct client_task *ct);
-int client_open(int argc, char *argv[], struct client_task **ct,
+int client_parse_config(int argc, char *argv[], struct client_task **ct_ptr,
 		int *loglevel);
+int client_connect(struct client_task *ct, struct sched *s,
+		struct btr_node *parent, struct btr_node *child);
+int client_open(int argc, char *argv[], struct client_task **ct_ptr,
+		int *loglevel, struct btr_node *parent, struct btr_node *child,
+		struct sched *sched);