-/*
- * Copyright (C) 1997-2011 Andre Noll <maan@systemlinux.org>
- *
- * Licensed under the GPL v2. For licencing details see COPYING.
- */
+/* Copyright (C) 1997 Andre Noll <maan@tuebingen.mpg.de>, see file 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 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,
};
/** 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 configuration (including the command). */
- struct client_args_info conf;
- /** The config file for client options. */
- char *config_file;
+ /** 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 parsed command line (including the command). */
+ struct lls_parse_result *lpr;
/** The RSA private key. */
char *key_file;
/** Paraslash user name. */
char *user;
/** The client task structure. */
- struct task task;
- struct btr_node *btrn;
+ struct task *task;
+ /** List of features supported by the server. */
+ char **features;
};
+#define CLIENT_CMD_PTR (lls_cmd(0, client_suite))
+#define CLIENT_OPT_RESULT(_name, _lpr) \
+ (lls_opt_result(LSG_CLIENT_PARA_CLIENT_OPT_ ## _name, _lpr))
+#define CLIENT_OPT_GIVEN(_name, _lpr) \
+ (lls_opt_given(CLIENT_OPT_RESULT(_name, _lpr)))
+#define CLIENT_OPT_UINT32_VAL(_name, _lpr) \
+ (lls_uint32_val(0, CLIENT_OPT_RESULT(_name, _lpr)))
+#define CLIENT_OPT_STRING_VAL(_name, _lpr) \
+ (lls_string_val(0, CLIENT_OPT_RESULT(_name, _lpr)))
+
void client_close(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);
+ int *loglevel, struct btr_node *parent, struct btr_node *child,
+ struct sched *sched);