extern "C" {
#endif
-/* Forward declarations */
-typedef struct SilcClientStruct *SilcClient;
-typedef struct SilcClientConnectionStruct *SilcClientConnection;
-typedef struct SilcClientPingStruct SilcClientPing;
-typedef struct SilcClientAwayStruct SilcClientAway;
-typedef struct SilcClientKeyAgreementStruct *SilcClientKeyAgreement;
-typedef struct SilcClientFtpSessionStruct *SilcClientFtpSession;
-typedef struct SilcClientEntryStruct *SilcClientEntry;
-typedef struct SilcChannelEntryStruct *SilcChannelEntry;
-typedef struct SilcServerEntryStruct *SilcServerEntry;
-typedef struct SilcClientCommandStruct *SilcClientCommand;
-typedef struct SilcClientCommandContextStruct *SilcClientCommandContext;
-typedef struct SilcClientCommandReplyContextStruct
- *SilcClientCommandReplyContext;
-typedef struct SilcChannelUserStruct *SilcChannelUser;
+#include "client.h"
/* General definitions */
+/****s* silcclient/SilcClientAPI/SilcClient
+ *
+ * NAME
+ *
+ * typedef struct SilcClientStruct { ... } *SilcClient
+ *
+ * DESCRIPTION
+ *
+ * This is the actual SILC Client structure which represents one
+ * SILC Client. It is allocated with the silc_client_alloc function
+ * and given as argument to all SILC Client Library functions. It
+ * is initialized with silc_client_init function, and freed with
+ * silc_client_free function.
+ *
+ * SOURCE
+ */
+struct SilcClientStruct {
+ /*
+ * The following fields are set by application
+ */
+ char *nickname; /* Nickname, MAY be set by application */
+ char *username; /* Username, MUST be set by application */
+ char *hostname; /* hostname, MUST be set by application */
+ char *realname; /* Real name, MUST be set be application */
+
+ SilcPublicKey public_key; /* Public key of user, set by application */
+ SilcPrivateKey private_key; /* Private key of user, set by application */
+ SilcPKCS pkcs; /* PKCS allocated by application */
+
+ /*
+ * The following fields are set by the library
+ */
+
+ /* Scheduler, set by library. Application may use this pointer. */
+ SilcSchedule schedule;
+
+ /* Random Number Generator. Application should use this as its primary
+ random number generator. */
+ SilcRng rng;
+
+ /* Application specific user data pointer. Client library does not
+ touch this. This the context sent as argument to silc_client_alloc.
+ Application can use it freely. */
+ void *application;
+
+ /* Generic hash context for application usage */
+ SilcHash md5hash;
+ SilcHash sha1hash;
+
+ /* Internal data for client library. Application cannot access this
+ data at all. */
+ SilcClientInternal internal;
+};
+/***/
+
+/****s* silcclient/SilcClientAPI/SilcClientConnection
+ *
+ * NAME
+ *
+ * typedef struct SilcClientConnectionStruct { ... }
+ * *SilcClientConnection
+ *
+ * DESCRIPTION
+ *
+ * This structure represents a connection. When connection is created
+ * to server this is context is returned to the application in the
+ * "connected" client operation. It includes all the important
+ * data for the session, such as nickname, local and remote IDs, and
+ * other information.
+ *
+ * SOURCE
+ */
+struct SilcClientConnectionStruct {
+ /*
+ * Local data
+ */
+ char *nickname; /* Current nickname */
+ SilcClientEntry local_entry; /* Own Client Entry */
+ SilcClientID *local_id; /* Current Client ID */
+ unsigned char *local_id_data; /* Current Client ID decoded */
+ SilcUInt32 local_id_data_len;
+
+ /*
+ * Remote data
+ */
+ char *remote_host; /* Remote host name */
+ int remote_port; /* Remote port */
+ SilcServerID *remote_id; /* Remote Server ID */
+ unsigned char *remote_id_data; /* Remote Server ID decoded */
+ SilcUInt32 remote_id_data_len;
+
+ /*
+ * Common data
+ */
+
+ /* User data context. Library does not touch this. Application may
+ freely set and use this pointer for its needs. */
+ void *context;
+
+ /* Pointer back to the SilcClient. Application may use this. */
+ SilcClient client;
+
+ /* Current channel. Application may use and set this pointer if needed. */
+ SilcChannelEntry current_channel;
+
+ /* Socket connection object for this connection. Application may
+ use this if needed. The sock->user_data is back pointer to this
+ structure. */
+ SilcSocketConnection sock;
+
+ /* Current command identifier, 0 not used */
+ SilcUInt16 cmd_ident;
+
+ /* Internal data for client library. Application cannot access this
+ data at all. */
+ SilcClientConnectionInternal internal;
+};
+/***/
+
/****d* silcclient/SilcClientAPI/SilcKeyAgreementStatus
*
* NAME
SILC_KEY_AGREEMENT_FAILURE, /* The protocol failed */
SILC_KEY_AGREEMENT_TIMEOUT, /* The protocol timeout */
SILC_KEY_AGREEMENT_ABORTED, /* The protocol aborted */
+ SILC_KEY_AGREEMENT_ALREADY_STARTED, /* Already started */
+ SILC_KEY_AGREEMENT_SELF_DENIED, /* Negotiationg with itself denied */
} SilcKeyAgreementStatus;
/***/
} SilcClientMessageType;
/***/
+/****d* silcclient/SilcClientAPI/SilcClientConnectionStatus
+ *
+ * NAME
+ *
+ * typedef enum { ... } SilcClientConnectionStatus
+ *
+ * DESCRIPTION
+ *
+ * This type is returned to the `connect' client operation to indicate
+ * the status of the created connection. It can indicated if it was
+ * successful or whether an error occurred.
+ *
+ * SOURCE
+ */
+typedef enum {
+ SILC_CLIENT_CONN_SUCCESS, /* Successfully connected */
+ SILC_CLIENT_CONN_SUCCESS_RESUME, /* Successfully connected and
+ resumed old detached session */
+ SILC_CLIENT_CONN_ERROR, /* Error occurred during connecting */
+} SilcClientConnectionStatus;
+/***/
+
/****s* silcclient/SilcClientAPI/SilcClientOperations
*
* NAME
/* Message sent to the application by library. `conn' associates the
message to a specific connection. `conn', however, may be NULL.
The `type' indicates the type of the message sent by the library.
- The applicationi can for example filter the message according the
+ The application can for example filter the message according the
type. */
void (*say)(SilcClient client, SilcClientConnection conn,
SilcClientMessageType type, char *msg, ...);
/* Message for a channel. The `sender' is the sender of the message
- The `channel' is the channel. The `msg' is the message. Note that
- `msg' maybe NULL. */
+ The `channel' is the channel. The `message' is the message. Note
+ that `message' maybe NULL. The `flags' indicates message flags
+ and it is used to determine how the message can be interpreted
+ (like it may tell the message is multimedia message). */
void (*channel_message)(SilcClient client, SilcClientConnection conn,
SilcClientEntry sender, SilcChannelEntry channel,
SilcMessageFlags flags,
SilcUInt32 message_len);
/* Private message to the client. The `sender' is the sender of the
- message. */
+ message. The message is `message'and maybe NULL. The `flags'
+ indicates message flags and it is used to determine how the message
+ can be interpreted (like it may tell the message is multimedia
+ message). */
void (*private_message)(SilcClient client, SilcClientConnection conn,
SilcClientEntry sender, SilcMessageFlags flags,
const unsigned char *message,
after application has called the command. Just to tell application
that the command really was processed. */
void (*command)(SilcClient client, SilcClientConnection conn,
- SilcClientCommandContext cmd_context, int success,
- SilcCommand command);
+ SilcClientCommandContext cmd_context, bool success,
+ SilcCommand command, SilcStatus status);
/* Command reply handler. This function is called always in the command reply
function. If error occurs it will be called as well. Normal scenario
ID. For example, if Client ID is receives application receives
SilcClientEntry. */
void (*command_reply)(SilcClient client, SilcClientConnection conn,
- SilcCommandPayload cmd_payload, int success,
- SilcCommand command, SilcCommandStatus status, ...);
+ SilcCommandPayload cmd_payload, bool success,
+ SilcCommand command, SilcStatus status, ...);
/* Called to indicate that connection was either successfully established
or connecting failed. This is also the first time application receives
the SilcClientConnection object which it should save somewhere.
- If the `success' is FALSE the application must always call the function
+ The `status' indicated whether the connection were successful. If it
+ is error value the application must always call the function
silc_client_close_connection. */
- void (*connect)(SilcClient client, SilcClientConnection conn, int success);
+ void (*connected)(SilcClient client, SilcClientConnection conn,
+ SilcClientConnectionStatus status);
- /* Called to indicate that connection was disconnected to the server. */
- void (*disconnect)(SilcClient client, SilcClientConnection conn);
+ /* Called to indicate that connection was disconnected to the server.
+ The `status' may tell the reason of the disconnection, and if the
+ `message' is non-NULL it may include the disconnection message
+ received from server. */
+ void (*disconnected)(SilcClient client, SilcClientConnection conn,
+ SilcStatus status, const char *message);
/* Find authentication method and authentication data by hostname and
port. The hostname may be IP address as well. When the authentication
/* Verifies received public key. The `conn_type' indicates which entity
(server, client etc.) has sent the public key. If user decides to trust
- the key may be saved as trusted public key for later use. The
- `completion' must be called after the public key has been verified. */
+ the application may save the key as trusted public key for later
+ use. The `completion' must be called after the public key has been
+ verified. */
void (*verify_public_key)(SilcClient client, SilcClientConnection conn,
SilcSocketType conn_type, unsigned char *pk,
SilcUInt32 pk_len, SilcSKEPKType pk_type,
desired (application may start it later by calling the function
silc_client_perform_key_agreement). If TRUE is returned also the
`completion' and `context' arguments must be set by the application. */
- int (*key_agreement)(SilcClient client, SilcClientConnection conn,
- SilcClientEntry client_entry, const char *hostname,
- SilcUInt16 port, SilcKeyAgreementCallback *completion,
- void **context);
+ bool (*key_agreement)(SilcClient client, SilcClientConnection conn,
+ SilcClientEntry client_entry, const char *hostname,
+ SilcUInt16 port, SilcKeyAgreementCallback *completion,
+ void **context);
/* Notifies application that file transfer protocol session is being
requested by the remote client indicated by the `client_entry' from
nickname string whenever it needs the true nickname. */
SilcNicknameFormatParse nickname_parse;
+ /* If this is set to TRUE then the client will ignore all incoming
+ Requested Attributes queries and does not reply anything back. This
+ usually leads into situation where server does not anymore send
+ the queries after seeing that client does not reply anything back.
+ If your application does not support Requested Attributes or you do
+ not want to use them set this to TRUE. See SilcAttribute and
+ silc_client_attribute_add for more information on attributes. */
+ bool ignore_requested_attributes;
+
} SilcClientParams;
/***/
SilcClient silc_client_alloc(SilcClientOperations *ops,
SilcClientParams *params,
void *application,
- const char *silc_version);
+ const char *version_string);
/****f* silcclient/SilcClientAPI/silc_client_free
*
*
* Runs the client. This starts the scheduler from the utility library.
* When this functions returns the execution of the appliation is over.
+ * The client must be initialized before calling this.
*
***/
void silc_client_run(SilcClient client);
* silc_client_get_client_by_id_resolve(SilcClient client,
* SilcClientConnection conn,
* SilcClientID *client_id,
+ * SilcBuffer attributes,
* SilcGetClientCallback completion,
* void *context);
*
* is its ID. When server returns the client information it will be
* cache and can be accessed locally at a later time.
*
+ * If the `attributes' is non-NULL then the buffer includes Requested
+ * Attributes which can be used to fetch very detailed information
+ * about the user. If it is NULL then only normal WHOIS query is
+ * made (for more information about attributes see SilcAttribute).
+ * Caller may create the `attributes' with silc_client_attributes_request
+ * function.
+ *
***/
void silc_client_get_client_by_id_resolve(SilcClient client,
SilcClientConnection conn,
SilcClientID *client_id,
+ SilcBuffer attributes,
SilcGetClientCallback completion,
void *context);
SilcClientConnection conn,
char *channel);
-/****f* silcclient/SilcClientAPI/silc_client_get_channel_id_resolve
+/****f* silcclient/SilcClientAPI/silc_client_get_channel_by_id
*
* SYNOPSIS
*
- * void
- * silc_client_get_channel_by_id_resolve(SilcClient client,
- * SilcClientConnection conn,
- * SilcChannelID *channel_id,
- * SilcGetClientCallback completion,
- * void *context);
+ * SilcChannelEntry
+ * silc_client_get_channel_by_id(SilcClient client,
+ * SilcClientConnection conn,
+ * SilcChannelID *channel_id);
*
* DESCRIPTION
*
* directly to the server using this function. If application is using
* the silc_client_command_call, this function is usually not used.
*
+ * The variable arguments are a pair of { type, data, data_length },
+ * and the `argc' is the number of these pairs.
+ *
+ * EXAMPLE
+ *
+ * silc_client_command_send(client, conn, SILC_COMMAND_WHOIS, 0, 1,
+ * 1, nickname, strlen(nickname));
+ *
***/
void silc_client_command_send(SilcClient client, SilcClientConnection conn,
SilcCommand command, SilcUInt16 ident,
SilcSKEKeyMaterial *key,
bool responder);
-/****f* silcclient/SilcClientAPI/silc_client_send_private_message_key
- *
- * SYNOPSIS
- *
- * int silc_client_send_private_message_key(SilcClient client,
- * SilcClientConnection conn,
- * SilcClientEntry client_entry,
- * int force_send);
- *
- * DESCRIPTION
- *
- * Sends private message key payload to the remote client indicated by
- * the `client_entry'. If the `force_send' is TRUE the packet is sent
- * immediately. Returns FALSE if error occurs, TRUE otherwise. The
- * application should call this function after setting the key to the
- * client.
- *
- * Note that the key sent using this function is sent to the remote client
- * through the SILC network. The packet is protected using normal session
- * keys.
- *
- ***/
-int silc_client_send_private_message_key(SilcClient client,
- SilcClientConnection conn,
- SilcClientEntry client_entry,
- int force_send);
-
/****f* silcclient/SilcClientAPI/silc_client_del_private_message_key
*
* SYNOPSIS
SilcClientConnection conn,
char *message);
-
/****f* silcclient/SilcClientAPI/SilcConnectionAuthRequest
*
* SYNOPSIS
* SilcClientConnection conn,
* SilcClientFileMonitor monitor,
* void *monitor_context,
+ * const char *path,
* SilcUInt32 session_id);
*
* DESCRIPTION
* received in the `ftp' client operation function. This will actually
* perform the key agreement protocol with the remote client before
* actually starting the file transmission. The `monitor' callback
- * will be called to monitor the transmission.
+ * will be called to monitor the transmission. If `path' is non NULL
+ * the file will be saved into that directory. If NULL the file is
+ * saved in the current working directory.
*
* If error will occur during the file transfer process the error
* status will be returned in the monitor callback. In this case
SilcClientConnection conn,
SilcClientFileMonitor monitor,
void *monitor_context,
+ const char *path,
SilcUInt32 session_id);
/****f* silcclient/SilcClientAPI/silc_client_file_close
SilcClientConnection conn,
SilcUInt32 session_id);
-#include "client.h"
+/****f* silcclient/SilcClientAPI/silc_client_attribute_add
+ *
+ * SYNOPSIS
+ *
+ * SilcAttributePayload
+ * silc_client_attribute_add(SilcClient client,
+ * SilcClientConnection conn,
+ * SilcAttribute attribute,
+ * void *object,
+ * SilcUInt32 object_size);
+ *
+ * DESCRIPTION
+ *
+ * Add new Requsted Attribute for WHOIS command to the client library.
+ * The `attribute' object indicated by `object' is added and allocated
+ * SilcAttributePayload is returned. The `object' must be of correct
+ * type and of correct size. See the SilcAttribute for object types
+ * for different attributes. You may also get all added attributes
+ * from the client with silc_client_attributes_get function.
+ *
+ * Requested Attributes are different personal information about the
+ * user, status information and other information which other users
+ * may query with WHOIS command. Application may set these so that
+ * if someone sends WHOIS query these attributes will be replied back
+ * to the sender. The library always puts the public key to the
+ * Requested Attributes, but if application wishes to add additional
+ * public keys (or certificates) it can be done with this interface.
+ * Library also always computes digital signature of the attributes
+ * automatically, so application does not need to do that.
+ *
+ ***/
+SilcAttributePayload silc_client_attribute_add(SilcClient client,
+ SilcClientConnection conn,
+ SilcAttribute attribute,
+ void *object,
+ SilcUInt32 object_size);
+
+/****f* silcclient/SilcClientAPI/silc_client_attribute_del
+ *
+ * SYNOPSIS
+ *
+ * bool silc_client_attribute_del(SilcClient client,
+ * SilcClientConnection conn,
+ * SilcAttribute attribute,
+ * SilcAttributePayload attr);
+ *
+ * DESCRIPTION
+ *
+ * Delete a Requested Attribute from the client. If the `attribute'
+ * is non-zero then all attributes of that type are deleted and the
+ * `attr' is ignored. If `attr' is non-NULL then that specific
+ * attribute is deleted and `attribute' is ignored.
+ *
+ * You may get all added attributes with the function
+ * silc_client_attributes_get and to get the SilcAttributePayload.
+ * This function Returns TRUE if the attribute was found and deleted.
+ *
+ ***/
+bool silc_client_attribute_del(SilcClient client,
+ SilcClientConnection conn,
+ SilcAttribute attribute,
+ SilcAttributePayload attr);
+
+/****f* silcclient/SilcClientAPI/silc_client_attributes_get
+ *
+ * SYNOPSIS
+ *
+ * const SilcHashTable
+ * silc_client_attributes_get(SilcClient client,
+ * SilcClientConnection conn);
+ *
+ * DESCRIPTION
+ *
+ * Returns pointer to the SilcHashTable which includes all the added
+ * Requested Attributes. The caller must not free the hash table.
+ * The caller may use SilcHashTableList and silc_hash_table_list to
+ * traverse the table. Each entry in the hash table is one added
+ * SilcAttributePayload. It is possible to delete a attribute
+ * payload while traversing the table.
+ *
+ ***/
+const SilcHashTable silc_client_attributes_get(SilcClient client,
+ SilcClientConnection conn);
+
+/****f* silcclient/SilcClientAPI/silc_client_attributes_request
+ *
+ * SYNOPSIS
+ *
+ * SilcBuffer silc_client_attributes_request(SilcAttribute attribute, ...);
+ *
+ * DESCRIPTION
+ *
+ * Constructs a Requested Attributes buffer. If the `attribute' is zero (0)
+ * then all attributes are requested. Alternatively, `attribute' and
+ * all variable arguments can each be requested attribute. In this case
+ * the last must be set to zero (0) to complete the variable list of
+ * requested attributes. See SilcAttribute for all attributes.
+ * You can give the returned buffer as argument to for example
+ * silc_client_get_client_by_id_resolve function.
+ *
+ ***/
+SilcBuffer silc_client_attributes_request(SilcAttribute attribute, ...);
+
+/* Low level packet sending functions */
+
+/****f* silcclient/SilcClientAPI/silc_client_packet_send
+ *
+ * SYNOPSIS
+ *
+ * void silc_client_packet_send(SilcClient client,
+ * SilcSocketConnection sock,
+ * SilcPacketType type,
+ * void *dst_id,
+ * SilcIdType dst_id_type,
+ * SilcCipher cipher,
+ * SilcHmac hmac,
+ * unsigned char *data,
+ * SilcUInt32 data_len,
+ * bool force_send);
+ *
+ * DESCRIPTION
+ *
+ * Constructs a Requested Attributes buffer. If the `attribute' is zero (0)
+ * then all attributes are requested. Alternatively, `attribute' and
+ * all variable arguments can each be requested attribute. In this case
+ * the last must be set to zero (0) to complete the variable list of
+ * requested attributes. See SilcAttribute for all attributes.
+ * You can give the returned buffer as argument to for example
+ * silc_client_get_client_by_id_resolve function.
+ *
+ ***/
+void silc_client_packet_send(SilcClient client,
+ SilcSocketConnection sock,
+ SilcPacketType type,
+ void *dst_id,
+ SilcIdType dst_id_type,
+ SilcCipher cipher,
+ SilcHmac hmac,
+ unsigned char *data,
+ SilcUInt32 data_len,
+ bool force_send);
+
#include "command.h"
#include "command_reply.h"
#include "idlist.h"