+++ /dev/null
-/*
-
- client_internal.h
-
- Author: Pekka Riikonen <priikone@silcnet.org>
-
- Copyright (C) 1997 - 2007 Pekka Riikonen
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; version 2 of the License.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
-*/
-
-#ifndef CLIENT_INTERNAL_H
-#define CLIENT_INTERNAL_H
-
-#include "command.h"
-#include "command_reply.h"
-#include "client_connect.h"
-#include "client_register.h"
-#include "client_entry.h"
-#include "client_prvmsg.h"
-#include "client_channel.h"
-#include "client_notify.h"
-#include "client_keyagr.h"
-#include "client_ftp.h"
-#include "client_listener.h"
-
-/****************************** Definitions *********************************/
-
-/* Packet retry counter and timer defines, for exponential backoff algorithm.
- Meaningful with UDP transport when packets may get lost. */
-#define SILC_CLIENT_RETRY_COUNT 4 /* Max packet retry count */
-#define SILC_CLIENT_RETRY_MUL 2 /* Retry timer interval growth */
-#define SILC_CLIENT_RETRY_RAND 2 /* Randomizer, timeout += rnd % 2 */
-#define SILC_CLIENT_RETRY_MIN 1 /* Min retry timeout, seconds */
-#define SLIC_CLIENT_RETRY_MAX 16 /* Max retry timeout, seconds */
-
-/********************************** Types ***********************************/
-
-/* Public key verification context */
-typedef struct {
- SilcSKE ske;
- SilcSKEVerifyCbCompletion completion;
- void *completion_context;
-} *SilcVerifyKeyContext;
-
-/* Command and command reply context used to hold registered commands
- in the SILC client. */
-typedef struct SilcClientCommandStruct {
- struct SilcClientCommandStruct *next;
- SilcCommand cmd; /* Command type */
- SilcFSMStateCallback command; /* Command function */
- SilcFSMStateCallback reply; /* Command reply callback */
- char *name; /* Name of the command (optional) */
- SilcUInt8 max_args; /* Maximum arguments (optional) */
-} *SilcClientCommand;
-
-/* Command reply callback structure */
-typedef struct SilcClientCommandReplyCallbackStruct {
- struct SilcClientCommandReplyCallbackStruct *next;
- SilcClientCommandReply reply; /* Command reply callback */
- void *context; /* Command reply context */
- unsigned int do_not_call : 1; /* Set to not call the callback */
-} *SilcClientCommandReplyCallback;
-
-/* Command context given as argument to command state functions. This same
- context is used when calling, sending and procesing command and command
- reply. */
-typedef struct SilcClientCommandContextStruct {
- struct SilcClientCommandContextStruct *next;
- SilcClientConnection conn; /* Connection */
- SilcFSMThreadStruct thread; /* FSM thread for command call */
-
- SilcCommand cmd; /* Command */
- SilcUInt16 cmd_ident; /* Command identifier */
- SilcUInt32 argc; /* Number of arguments */
- unsigned char **argv; /* Arguments, may be NULL */
- SilcUInt32 *argv_lens; /* Argument lengths, may be NULL */
- SilcUInt32 *argv_types; /* Argument types, may be NULL */
-
- SilcList reply_callbacks; /* Command reply callbacks */
- SilcStatus status; /* Current command reply status */
- SilcStatus error; /* Current command reply error */
-
- void *context; /* Context for free use */
- unsigned int called : 1; /* Set when called by application */
- unsigned int verbose : 1; /* Verbose with 'say' client operation */
- unsigned int resolved : 1; /* Set when resolving something */
-} *SilcClientCommandContext;
-
-/* Internal context for the client->internal pointer in the SilcClient. */
-struct SilcClientInternalStruct {
- SilcFSMStruct fsm; /* Client's FSM */
- SilcFSMEventStruct wait_event; /* Event signaller */
- SilcClientOperations *ops; /* Client operations */
- SilcClientParams *params; /* Client parameters */
- SilcPacketEngine packet_engine; /* Packet engine */
- SilcMutex lock; /* Client lock */
- SilcList commands; /* Registered commands */
- SilcDList ftp_sessions; /* FTP sessions */
- char *silc_client_version; /* Version set by application */
- SilcClientRunning running; /* Running/Stopped callback */
- void *running_context; /* Context for runnign callback */
- SilcAtomic16 conns; /* Number of connections in client */
- SilcUInt16 next_session_id; /* Next FTP session ID */
-
- /* Events */
- unsigned int stop : 1; /* Stop client */
- unsigned int run_callback : 1; /* Call running/stopped callback */
- unsigned int connection_closed : 1; /* A connection closed */
-};
-
-/* Internal context for conn->internal in SilcClientConnection. */
-struct SilcClientConnectionInternalStruct {
- SilcClientConnectionParams params; /* Connection parameters */
- SilcFSMStruct fsm; /* Connection FSM */
- SilcFSMThreadStruct event_thread; /* FSM thread for events */
- SilcFSMEventStruct wait_event; /* Event signaller */
- SilcSchedule schedule; /* Connection's scheduler */
- SilcMutex lock; /* Connection lock */
- SilcSKE ske; /* Key exchange protocol */
- SilcSKERekeyMaterial rekey; /* Rekey material */
- SilcList thread_pool; /* Packet thread pool */
- SilcList pending_commands; /* Pending commands list */
- SilcHash hash; /* Negotiated hash function */
- SilcHash sha1hash; /* SHA-1 default hash context */
- SilcBuffer local_idp; /* Local ID Payload */
- SilcBuffer remote_idp; /* Remote ID Payload */
- SilcAsyncOperation op; /* Protocols async operation */
- SilcAsyncOperation cop; /* Async operation for application */
- SilcHashTable attrs; /* Configured user attributes */
- SilcStream user_stream; /* Low level stream in connecting */
- char *disconnect_message; /* Disconnection message */
- char *away_message; /* Away message */
-
- SilcIDCache client_cache; /* Client entry cache */
- SilcIDCache channel_cache; /* Channel entry cache */
- SilcIDCache server_cache; /* Server entry cache */
-
- SilcUInt32 remote_version; /* Remote SILC protocol version */
- SilcAtomic16 cmd_ident; /* Current command identifier */
- SilcUInt8 retry_count; /* Packet retry counter */
- SilcUInt8 retry_timer; /* Packet retry timer */
- SilcClientConnectionStatus status; /* Connection callback status */
- SilcStatus error; /* Connection callback error */
-
- /* Events */
- unsigned int connect : 1; /* Connect remote host */
- unsigned int disconnected : 1; /* Disconnect remote connection */
- unsigned int key_exchange : 1; /* Start key exchange */
- unsigned int rekeying : 1; /* Start rekey */
-
- /* Flags */
- unsigned int verbose : 1; /* Notify application */
- unsigned int registering : 1; /* Set when registering to network */
- unsigned int rekey_responder : 1; /* Set when rekeying as responder */
- unsigned int auth_request : 1; /* Set when requesting auth method */
-};
-
-SILC_FSM_STATE(silc_client_connection_st_run);
-SILC_FSM_STATE(silc_client_connection_st_packet);
-SILC_FSM_STATE(silc_client_connection_st_close);
-SILC_FSM_STATE(silc_client_error);
-SILC_FSM_STATE(silc_client_disconnect);
-SILC_FSM_STATE(silc_client_st_stop);
-
-void silc_client_del_connection(SilcClient client, SilcClientConnection conn);
-void silc_client_fsm_destructor(SilcFSM fsm, void *fsm_context,
- void *destructor_context);
-void silc_client_command_free(SilcClientCommandContext cmd);
-SilcClientConnection
-silc_client_add_connection(SilcClient client,
- SilcConnectionType conn_type,
- SilcBool connect,
- SilcClientConnectionParams *params,
- SilcPublicKey public_key,
- SilcPrivateKey private_key,
- char *remote_host, int port,
- SilcClientConnectCallback callback,
- void *context);
-void silc_client_attributes_process(SilcClient client,
- SilcClientConnection conn,
- SilcDList attrs,
- SilcPKCSSignCb sign_cb,
- void *context);
-
-#endif /* CLIENT_INTERNAL_H */
projects / crypto.git / blobdiff