aim.h

oscar message protocol stack

	void *data;
	time_t addtime;
	struct aim_msgcookie_s *next;
} aim_msgcookie_t;

/*
 * AIM Session: The main client-data interface.  
 *
 */
typedef struct aim_session_s {

	/* ---- Client Accessible ------------------------ */

	/* Our screen name. */
	char sn[MAXSNLEN+1];

	/*
	 * Pointer to anything the client wants to 
	 * explicitly associate with this session.
	 *
	 * This is for use in the callbacks mainly. In any
	 * callback, you can access this with sess->aux_data.
	 *
	 */
	void *aux_data;

	/* ---- Internal Use Only ------------------------ */

	/* Connection information */
	aim_conn_t *connlist;

	/*
	 * Transmit/receive queues.
	 *
	 * These are only used when you don't use your own lowlevel
	 * I/O.  I don't suggest that you use libfaim's internal I/O.
	 * Its really bad and the API/event model is quirky at best.
	 *  
	 */
	aim_frame_t *queue_outgoing;
	aim_frame_t *queue_incoming; 

	/*
	 * Tx Enqueuing function.
	 *
	 * This is how you override the transmit direction of libfaim's
	 * internal I/O.  This function will be called whenever it needs
	 * to send something.
	 *
	 */
	int (*tx_enqueue)(struct aim_session_s *, aim_frame_t *);

	void *modlistv;

	struct {
		char server[128];
		char username[128];
		char password[128];
	} socksproxy;

	bool nonblocking;

	int debug;
	void (*debugcb)(struct aim_session_s *sess, int level, const char *format, va_list va); /* same as faim_debugging_callback_t */

	/*
	 * Outstanding snac handling 
	 *
	 * XXX: Should these be per-connection? -mid
	 */
	void *snac_hash[FAIM_SNAC_HASH_SIZE];
	aim_snacid_t snacid_next;

	aim_msgcookie_t *msgcookies;
	struct aim_icq_info *icq_info;
	struct aim_oft_info *oft_info;
	struct aim_authresp_info *authinfo;
	struct aim_emailinfo *emailinfo;

	struct {
		struct aim_userinfo_s *userinfo;
		struct userinfo_node *torequest;
		struct userinfo_node *requested;
		int waiting_for_response;
	} locate;

	/* Server-stored information (ssi) */
	struct {
		int received_data;
		fu16_t numitems;
		struct aim_ssi_item *official;
		struct aim_ssi_item *local;
		struct aim_ssi_tmp *pending;
		time_t timestamp;
		int waiting_for_ack;
	} ssi;
} aim_session_t;

/* Valid for calling aim_icq_setstatus() and for aim_userinfo_t->icqinfo.status */
#define AIM_ICQ_STATE_NORMAL			0x00000000
#define AIM_ICQ_STATE_AWAY				0x00000001
#define AIM_ICQ_STATE_DND				0x00000002
#define AIM_ICQ_STATE_OUT				0x00000004
#define AIM_ICQ_STATE_BUSY				0x00000010
#define AIM_ICQ_STATE_CHAT				0x00000020
#define AIM_ICQ_STATE_INVISIBLE			0x00000100
#define AIM_ICQ_STATE_WEBAWARE			0x00010000
#define AIM_ICQ_STATE_HIDEIP			0x00020000
#define AIM_ICQ_STATE_BIRTHDAY			0x00080000
#define AIM_ICQ_STATE_DIRECTDISABLED	0x00100000
#define AIM_ICQ_STATE_ICQHOMEPAGE		0x00200000
#define AIM_ICQ_STATE_DIRECTREQUIREAUTH	0x10000000
#define AIM_ICQ_STATE_DIRECTCONTACTLIST	0x20000000



/*
 * Get command from connections
 *
 * aim_get_commmand() is the libfaim lowlevel I/O in the receive direction.
 * XXX Make this easily overridable.
 *
 */
faim_export int aim_get_command(aim_session_t *, aim_conn_t *);

/*
 * Dispatch commands that are in the rx queue.
 */
faim_export void aim_rxdispatch(aim_session_t *);

faim_export int aim_debugconn_sendconnect(aim_session_t *sess, aim_conn_t *conn);

faim_export int aim_logoff(aim_session_t *);

#if !defined(FAIM_INTERNAL) || defined(FAIM_INTERNAL_INSANE)
/* the library should never call aim_conn_kill */
faim_export void aim_conn_kill(aim_session_t *sess, aim_conn_t **deadconn);
#endif

typedef int (*aim_rxcallback_t)(aim_session_t *, aim_frame_t *, ...);


/* auth.c */
struct aim_clientrelease {
	char *name;
	fu32_t build;
	char *url;
	char *info;
};

struct aim_authresp_info {
	char *sn;
	fu16_t errorcode;
	char *errorurl;
	fu16_t regstatus;
	char *email;
	char *bosip;
	fu16_t cookielen;
	fu8_t *cookie;
	char *chpassurl;
	struct aim_clientrelease latestrelease;
	struct aim_clientrelease latestbeta;
};

/* Callback data for redirect. */
struct aim_redirect_data {
	fu16_t group;
	const char *ip;
	fu16_t cookielen;
	const fu8_t *cookie;
	struct { /* group == AIM_CONN_TYPE_CHAT */
		fu16_t exchange;
		const char *room;
		fu16_t instance;
	} chat;
};

faim_export int aim_clientready(aim_session_t *sess, aim_conn_t *conn);
faim_export int aim_sendflapver(aim_session_t *sess, aim_conn_t *conn);
faim_export int aim_request_login(aim_session_t *sess, aim_conn_t *conn, const char *sn);
faim_export int aim_send_login(aim_session_t *, aim_conn_t *, const char *, const char *, struct client_info_s *, const char *key);
faim_export void aim_purge_rxqueue(aim_session_t *);
faim_export void aim_cleansnacs(aim_session_t *, int maxage);

#define AIM_TX_QUEUED    0 /* default */
#define AIM_TX_IMMEDIATE 1
#define AIM_TX_USER      2
faim_export int aim_tx_setenqueue(aim_session_t *sess, int what, int (*func)(aim_session_t *, aim_frame_t *));

faim_export int aim_tx_flushqueue(aim_session_t *);
faim_export void aim_tx_purgequeue(aim_session_t *);

faim_export int aim_conn_setlatency(aim_conn_t *conn, int newval);

faim_export int aim_conn_addhandler(aim_session_t *, aim_conn_t *conn, fu16_t family, fu16_t type, aim_rxcallback_t newhandler, fu16_t flags);
faim_export int aim_clearhandlers(aim_conn_t *conn);

faim_export aim_conn_t *aim_conn_findbygroup(aim_session_t *sess, fu16_t group);
faim_export aim_session_t *aim_conn_getsess(aim_conn_t *conn);
faim_export void aim_conn_close(aim_conn_t *deadconn);
faim_export aim_conn_t *aim_newconn(aim_session_t *, int type, const char *dest);
faim_export aim_conn_t *aim_select(aim_session_t *, struct timeval *, int *);
faim_export int aim_conn_in_sess(aim_session_t *sess, aim_conn_t *conn);
faim_export int aim_conn_isready(aim_conn_t *);
faim_export int aim_conn_setstatus(aim_conn_t *, int);
faim_export int aim_conn_completeconnect(aim_session_t *sess, aim_conn_t *conn);
faim_export int aim_conn_isconnecting(aim_conn_t *conn);

typedef void (*faim_debugging_callback_t)(aim_session_t *sess, int level, const char *format, va_list va);
faim_export int aim_setdebuggingcb(aim_session_t *sess, faim_debugging_callback_t);
faim_export void aim_session_init(aim_session_t *, bool nonblocking, int debuglevel);
faim_export void aim_session_kill(aim_session_t *);
faim_export void aim_setupproxy(aim_session_t *sess, const char *server, const char *username, const char *password);
faim_export aim_conn_t *aim_getconn_type(aim_session_t *, int type);
faim_export aim_conn_t *aim_getconn_type_all(aim_session_t *, int type);
faim_export aim_conn_t *aim_getconn_fd(aim_session_t *, int fd);



/* 0x0001 - service.c */
faim_export int aim_srv_setavailmsg(aim_session_t *sess, char *msg);
faim_export int aim_srv_setidle(aim_session_t *sess, fu32_t idletime);



/* misc.c */

#define AIM_VISIBILITYCHANGE_PERMITADD    0x05
#define AIM_VISIBILITYCHANGE_PERMITREMOVE 0x06
#define AIM_VISIBILITYCHANGE_DENYADD      0x07
#define AIM_VISIBILITYCHANGE_DENYREMOVE   0x08

#define AIM_PRIVFLAGS_ALLOWIDLE           0x01
#define AIM_PRIVFLAGS_ALLOWMEMBERSINCE    0x02

#define AIM_WARN_ANON                     0x01

faim_export int aim_sendpauseack(aim_session_t *sess, aim_conn_t *conn);
faim_export int aim_nop(aim_session_t *, aim_conn_t *);
faim_export int aim_flap_nop(aim_session_t *sess, aim_conn_t *conn);
faim_export int aim_bos_changevisibility(aim_session_t *, aim_conn_t *, int, const char *);
faim_export int aim_bos_setgroupperm(aim_session_t *, aim_conn_t *, fu32_t mask);
faim_export int aim_bos_setprivacyflags(aim_session_t *, aim_conn_t *, fu32_t);
faim_export int aim_reqpersonalinfo(aim_session_t *, aim_conn_t *);
faim_export int aim_reqservice(aim_session_t *, aim_conn_t *, fu16_t);
faim_export int aim_bos_reqrights(aim_session_t *, aim_conn_t *);
faim_export int aim_setextstatus(aim_session_t *sess, fu32_t status);

#define AIM_CLIENTTYPE_UNKNOWN  0x0000
#define AIM_CLIENTTYPE_MC       0x0001
#define AIM_CLIENTTYPE_WINAIM   0x0002
#define AIM_CLIENTTYPE_WINAIM41 0x0003
#define AIM_CLIENTTYPE_AOL_TOC  0x0004
faim_export fu16_t aim_im_fingerprint(const fu8_t *msghdr, int len);

#define AIM_RATE_CODE_CHANGE     0x0001
#define AIM_RATE_CODE_WARNING    0x0002
#define AIM_RATE_CODE_LIMIT      0x0003
#define AIM_RATE_CODE_CLEARLIMIT 0x0004
faim_export int aim_ads_requestads(aim_session_t *sess, aim_conn_t *conn);



/* im.c */
#define AIM_OFT_SUBTYPE_SEND_FILE	0x0001
#define AIM_OFT_SUBTYPE_SEND_DIR	0x0002
#define AIM_OFT_SUBTYPE_GET_FILE	0x0011
#define AIM_OPT_SUBTYPE_GET_LIST	0x0012

#define AIM_TRANSFER_DENY_NOTSUPPORTED	0x0000
#define AIM_TRANSFER_DENY_DECLINE	0x0001
#define AIM_TRANSFER_DENY_NOTACCEPTING	0x0002

#define AIM_IMPARAM_FLAG_CHANMSGS_ALLOWED	0x00000001
#define AIM_IMPARAM_FLAG_MISSEDCALLS_ENABLED	0x00000002

/* This is what the server will give you if you don't set them yourself. */
#define AIM_IMPARAM_DEFAULTS { \
	0, \
	AIM_IMPARAM_FLAG_CHANMSGS_ALLOWED | AIM_IMPARAM_FLAG_MISSEDCALLS_ENABLED, \
	512, /* !! Note how small this is. */ \
	(99.9)*10, (99.9)*10, \
	1000 /* !! And how large this is. */ \
}

/* This is what most AIM versions use. */
#define AIM_IMPARAM_REASONABLE { \
	0, \
	AIM_IMPARAM_FLAG_CHANMSGS_ALLOWED | AIM_IMPARAM_FLAG_MISSEDCALLS_ENABLED, \
	8000, \
	(99.9)*10, (99.9)*10, \
	0 \
}

struct aim_icbmparameters {
	fu16_t maxchan;
	fu32_t flags; /* AIM_IMPARAM_FLAG_ */
	fu16_t maxmsglen; /* message size that you will accept */
	fu16_t maxsenderwarn; /* this and below are *10 (999=99.9%) */
	fu16_t maxrecverwarn;
	fu32_t minmsginterval; /* in milliseconds? */
};

struct aim_chat_roominfo {
	fu16_t exchange;
	char *name;
	fu16_t instance;
};

#define AIM_IMFLAGS_AWAY				0x0001 /* mark as an autoreply */
#define AIM_IMFLAGS_ACK					0x0002 /* request a receipt notice */
#define AIM_IMFLAGS_BUDDYREQ			0x0010 /* buddy icon requested */
#define AIM_IMFLAGS_HASICON				0x0020 /* already has icon */
#define AIM_IMFLAGS_SUBENC_MACINTOSH	0x0040 /* damn that Steve Jobs! */
#define AIM_IMFLAGS_CUSTOMFEATURES 		0x0080 /* features field present */
#define AIM_IMFLAGS_EXTDATA				0x0100
#define AIM_IMFLAGS_X					0x0200
#define AIM_IMFLAGS_MULTIPART			0x0400 /* ->mpmsg section valid */
#define AIM_IMFLAGS_OFFLINE				0x0800 /* send to offline user */
#define AIM_IMFLAGS_TYPINGNOT			0x1000 /* typing notification */

#define AIM_CHARSET_ASCII		0x0000
#define AIM_CHARSET_UNICODE	0x0002 /* UCS-2BE */
#define AIM_CHARSET_CUSTOM	0x0003

/*
 * Multipart message structures.
 */
typedef struct aim_mpmsg_section_s {
	fu16_t charset;
	fu16_t charsubset;
	fu8_t *data;
	fu16_t datalen;
	struct aim_mpmsg_section_s *next;
} aim_mpmsg_section_t;

typedef struct aim_mpmsg_s {
	int numparts;
	aim_mpmsg_section_t *parts;
} aim_mpmsg_t;

faim_export int aim_mpmsg_init(aim_session_t *sess, aim_mpmsg_t *mpm);
faim_export int aim_mpmsg_addraw(aim_session_t *sess, aim_mpmsg_t *mpm, fu16_t charset, fu16_t charsubset, const fu8_t *data, fu16_t datalen);
faim_export int aim_mpmsg_addascii(aim_session_t *sess, aim_mpmsg_t *mpm, const char *ascii);
faim_export int aim_mpmsg_addunicode(aim_session_t *sess, aim_mpmsg_t *mpm, const fu16_t *unicode, fu16_t unicodelen);
faim_export void aim_mpmsg_free(aim_session_t *sess, aim_mpmsg_t *mpm);

/*
 * Arguments to aim_send_im_ext().
 *
 * This is really complicated.  But immensely versatile.
 *
 */
struct aim_sendimext_args {

	/* These are _required_ */
	const char *destsn;
	fu32_t flags; /* often 0 */

	/* Only required if not using multipart messages */
	const char *msg;
	int msglen;

	/* Required if ->msg is not provided */
	aim_mpmsg_t *mpmsg;

	/* Only used if AIM_IMFLAGS_HASICON is set */
	fu32_t iconlen;
	time_t iconstamp;
	fu32_t iconsum;

	/* Only used if AIM_IMFLAGS_CUSTOMFEATURES is set */
	fu8_t *features;
	fu8_t featureslen;