/* * Main libfaim header. Must be included in client for prototypes/macros. * */ #ifndef __AIM_H__ #define __AIM_H__ #define FAIM_VERSION_MAJOR 0 #define FAIM_VERSION_MINOR 99 #define FAIM_VERSION_MINORMINOR 0 #include #include #if !defined(FAIM_USEPTHREADS) && !defined(FAIM_USEFAKELOCKS) #error pthreads or fakelocks are currently required. #endif #include #include #include #include #include #include #include #ifdef FAIM_USEPTHREADS #include #define faim_mutex_t pthread_mutex_t #define faim_mutex_init pthread_mutex_init #define faim_mutex_lock pthread_mutex_lock #define faim_mutex_unlock pthread_mutex_unlock #elif defined(FAIM_USEFAKELOCKS) /* * For platforms without pthreads, we also assume * we're not linking against a threaded app. Which * means we don't have to do real locking. The * macros below do nothing really. They're a joke. * But they get it to compile. */ #define faim_mutex_t char #define faim_mutex_init(x, y) *x = 0 #define faim_mutex_lock(x) *x = 1; #define faim_mutex_unlock(x) *x = 0; #endif #ifdef _WIN32 #include #include #include #else #include #include #include #include #include #endif /* Portability stuff (DMP) */ #ifdef _WIN32 #define sleep Sleep #define strlen(x) (int)strlen(x) /* win32 has a unsigned size_t */ #endif #if defined(mach) && defined(__APPLE__) #define gethostbyname(x) gethostbyname2(x, AF_INET) #endif #if !defined(MSG_WAITALL) #warning FIX YOUR LIBC! MSG_WAITALL is required! #define MSG_WAITALL 0x100 #endif /* * Current Maximum Length for Screen Names (not including NULL) * * Currently only names up to 16 characters can be registered * however it is aparently legal for them to be larger. */ #define MAXSNLEN 32 /* * Current Maximum Length for Instant Messages * * This was found basically by experiment, but not wholly * accurate experiment. It should not be regarded * as completely correct. But its a decent approximation. * * Note that although we can send this much, its impossible * for WinAIM clients (up through the latest (4.0.1957)) to * send any more than 1kb. Amaze all your windows friends * with utterly oversized instant messages! * */ #define MAXMSGLEN 7987 /* * Current Maximum Length for Chat Room Messages * * This is actually defined by the protocol to be * dynamic, but I have yet to see due cause to * define it dynamically here. Maybe later. * */ #define MAXCHATMSGLEN 512 /* * Standard size of an AIM authorization cookie */ #define AIM_COOKIELEN 0x100 #if debug > 0 #define faimdprintf(l, x...) {if (l >= debug) printf(x); } #else #define faimdprintf(l, x...) #endif /* * Login info. Passes information from the Authorization * stage of login to the service (BOS, etc) connection * phase. * */ struct aim_login_struct { char screen_name[MAXSNLEN+1]; char *BOSIP; char cookie[AIM_COOKIELEN]; char *email; u_short regstatus; char *errorurl; u_short errorcode; }; /* * Client info. Filled in by the client and passed * in to aim_login(). The information ends up * getting passed to OSCAR through the initial * login command. * * XXX: Should this be per-session? -mid * */ struct client_info_s { char clientstring[100]; /* arbitrary size */ int major; int minor; int build; char country[3]; char lang[3]; int major2; int minor2; long unknown; }; #ifndef TRUE #define TRUE 1 #define FALSE 0 #endif /* * These could be arbitrary, but its easier to use the actual AIM values */ #define AIM_CONN_TYPE_AUTH 0x0007 #define AIM_CONN_TYPE_ADS 0x0005 #define AIM_CONN_TYPE_BOS 0x0002 #define AIM_CONN_TYPE_CHAT 0x000e #define AIM_CONN_TYPE_CHATNAV 0x000d #define AIM_CONN_TYPE_RENDEZVOUS 0x0101 /* these do not speak OSCAR! */ /* * Status values returned from aim_conn_new(). ORed together. */ #define AIM_CONN_STATUS_READY 0x0001 #define AIM_CONN_STATUS_INTERNALERR 0x0002 #define AIM_CONN_STATUS_RESOLVERR 0x0080 #define AIM_CONN_STATUS_CONNERR 0x0040 #define AIM_FRAMETYPE_OSCAR 0x0000 #define AIM_FRAMETYPE_OFT 0x0001 struct aim_conn_t { int fd; int type; int seqnum; int status; void *priv; /* misc data the client may want to store */ time_t lastactivity; /* time of last transmit */ int forcedlatency; struct aim_rxcblist_t *handlerlist; faim_mutex_t active; /* lock around read/writes */ faim_mutex_t seqnum_lock; /* lock around ->seqnum changes */ struct aim_conn_t *next; }; /* struct for incoming commands */ struct command_rx_struct { unsigned char hdrtype; /* defines which piece of the union to use */ union { struct { char type; unsigned short seqnum; } oscar; struct { unsigned short type; unsigned short hdr2len; unsigned char *hdr2; /* rest of bloated header */ } oft; } hdr; unsigned short commandlen; /* total payload length */ unsigned char *data; /* packet data (from 7 byte on) */ unsigned char lock; /* 0 = open, !0 = locked */ unsigned char handled; /* 0 = new, !0 = been handled */ unsigned char nofree; /* 0 = free data on purge, 1 = only unlink */ struct aim_conn_t *conn; /* the connection it came in on... */ struct command_rx_struct *next; /* ptr to next struct in list */ }; /* struct for outgoing commands */ struct command_tx_struct { unsigned char hdrtype; /* defines which piece of the union to use */ union { struct { unsigned char type; unsigned short seqnum; } oscar; struct { unsigned short type; unsigned short hdr2len; unsigned char *hdr2; } oft; } hdr; u_int commandlen; u_char *data; u_int lock; /* 0 = open, !0 = locked */ u_int sent; /* 0 = pending, !0 = has been sent */ struct aim_conn_t *conn; struct command_tx_struct *next; /* ptr to next struct in list */ }; /* * AIM Session: The main client-data interface. * */ struct aim_session_t { /* ---- Client Accessible ------------------------ */ /* * Login information. See definition above. * */ struct aim_login_struct logininfo; /* * Pointer to anything the client wants to * explicitly associate with this session. */ void *aux_data; /* ---- Internal Use Only ------------------------ */ /* * Connection information */ struct aim_conn_t *connlist; faim_mutex_t connlistlock; /* * TX/RX queues */ struct command_tx_struct *queue_outgoing; struct command_rx_struct *queue_incoming; /* * Tx Enqueuing function */ int (*tx_enqueue)(struct aim_session_t *, struct command_tx_struct *); /* * This is a dreadful solution to the what-room-are-we-joining * problem. (There's no connection between the service * request and the resulting redirect.) */ char *pendingjoin; /* * Outstanding snac handling * * XXX: Should these be per-connection? -mid **/ struct aim_snac_t *outstanding_snacs; u_long snac_nextid; struct aim_msgcookie_t *msgcookies; }; /* * AIM User Info, Standard Form. */ struct aim_userinfo_s { char sn[MAXSNLEN+1]; u_short warnlevel; u_short idletime; u_short class; u_long membersince; u_long onlinesince; u_long sessionlen; u_short capabilities; }; #define AIM_CLASS_TRIAL 0x0001 #define AIM_CLASS_UNKNOWN2 0x0002 #define AIM_CLASS_AOL 0x0004 #define AIM_CLASS_UNKNOWN4 0x0008 #define AIM_CLASS_FREE 0x0010 #define AIM_CLASS_AWAY 0x0020 #define AIM_CLASS_UNKNOWN40 0x0040 #define AIM_CLASS_UNKNOWN80 0x0080 /* * TLV handling */ /* Generic TLV structure. */ struct aim_tlv_t { u_short type; u_short length; u_char *value; }; /* List of above. */ struct aim_tlvlist_t { struct aim_tlv_t *tlv; struct aim_tlvlist_t *next; }; /* TLV-handling functions */ struct aim_tlvlist_t *aim_readtlvchain(u_char *buf, int maxlen); void aim_freetlvchain(struct aim_tlvlist_t **list); struct aim_tlv_t *aim_grabtlv(u_char *src); struct aim_tlv_t *aim_grabtlvstr(u_char *src); struct aim_tlv_t *aim_gettlv(struct aim_tlvlist_t *, u_short, int); char *aim_gettlv_str(struct aim_tlvlist_t *, u_short, int); int aim_puttlv (u_char *dest, struct aim_tlv_t *newtlv); struct aim_tlv_t *aim_createtlv(void); int aim_freetlv(struct aim_tlv_t **oldtlv); int aim_puttlv_16(u_char *, u_short, u_short); int aim_puttlv_32(u_char *, u_short, u_long); int aim_puttlv_str(u_char *buf, u_short t, u_short l, u_char *v); int aim_writetlvchain(u_char *buf, int buflen, struct aim_tlvlist_t **list); int aim_addtlvtochain16(struct aim_tlvlist_t **list, unsigned short type, unsigned short val); int aim_addtlvtochain32(struct aim_tlvlist_t **list, unsigned short type, unsigned long val); int aim_addtlvtochain_str(struct aim_tlvlist_t **list, unsigned short type, char *str, int len); int aim_counttlvchain(struct aim_tlvlist_t **list); /* * Get command from connections / Dispatch commands * already in queue. */ int aim_get_command(struct aim_session_t *, struct aim_conn_t *); int aim_rxdispatch(struct aim_session_t *); u_long aim_debugconn_sendconnect(struct aim_session_t *sess, struct aim_conn_t *conn); int aim_logoff(struct aim_session_t *); void aim_conn_kill(struct aim_session_t *sess, struct aim_conn_t **deadconn); typedef int (*rxcallback_t)(struct aim_session_t *, struct command_rx_struct *, ...); int aim_register_callbacks(rxcallback_t *); u_long aim_genericreq_n(struct aim_session_t *, struct aim_conn_t *conn, u_short family, u_short subtype); u_long aim_genericreq_l(struct aim_session_t *, struct aim_conn_t *conn, u_short family, u_short subtype, u_long *); u_long aim_genericreq_s(struct aim_session_t *, struct aim_conn_t *conn, u_short family, u_short subtype, u_short *); /* aim_login.c */ int aim_sendconnack(struct aim_session_t *sess, struct aim_conn_t *conn); int aim_request_login (struct aim_session_t *sess, struct aim_conn_t *conn, char *sn); int aim_send_login (struct aim_session_t *, struct aim_conn_t *, char *, char *, struct client_info_s *); int aim_encode_password(const char *, u_char *); int aimicq_encode_password(const char *password, u_char *encoded); unsigned long aim_sendauthresp(struct aim_session_t *sess, struct aim_conn_t *conn, char *sn, char *bosip, char *cookie, char *email, int regstatus); int aim_gencookie(unsigned char *buf); int aim_sendserverready(struct aim_session_t *sess, struct aim_conn_t *conn); unsigned long aim_sendredirect(struct aim_session_t *sess, struct aim_conn_t *conn, unsigned short servid, char *ip, char *cookie); void aim_purge_rxqueue(struct aim_session_t *); void aim_rxqueue_cleanbyconn(struct aim_session_t *sess, struct aim_conn_t *conn); int aim_parse_unknown(struct aim_session_t *, struct command_rx_struct *command, ...); int aim_parse_missed_im(struct aim_session_t *, struct command_rx_struct *, ...); int aim_parse_last_bad(struct aim_session_t *, struct command_rx_struct *, ...); struct command_tx_struct *aim_tx_new(unsigned short framing, int chan, struct aim_conn_t *conn, int datalen); int aim_tx_enqueue__queuebased(struct aim_session_t *, struct command_tx_struct *); int aim_tx_enqueue__immediate(struct aim_session_t *, struct command_tx_struct *); #define aim_tx_enqueue(x, y) ((*(x->tx_enqueue))(x, y)) int aim_tx_sendframe(struct aim_session_t *sess, struct command_tx_struct *cur); u_int aim_get_next_txseqnum(struct aim_conn_t *); int aim_tx_flushqueue(struct aim_session_t *); int aim_tx_printqueue(struct aim_session_t *); void aim_tx_purgequeue(struct aim_session_t *); struct aim_rxcblist_t { u_short family; u_short type; rxcallback_t handler; u_short flags; struct aim_rxcblist_t *next; }; int aim_conn_setlatency(struct aim_conn_t *conn, int newval); int aim_conn_addhandler(struct aim_session_t *, struct aim_conn_t *conn, u_short family, u_short type, rxcallback_t newhandler, u_short flags); rxcallback_t aim_callhandler(struct aim_conn_t *conn, u_short family, u_short type); int aim_clearhandlers(struct aim_conn_t *conn); /* * Generic SNAC structure. Rarely if ever used. */ struct aim_snac_t { u_long id; u_short family; u_short type; u_short flags; void *data; time_t issuetime; struct aim_snac_t *next; }; u_long aim_newsnac(struct aim_session_t *, struct aim_snac_t *newsnac); struct aim_snac_t *aim_remsnac(struct aim_session_t *, u_long id); int aim_cleansnacs(struct aim_session_t *, int maxage); int aim_putsnac(u_char *, int, int, int, u_long); void aim_connrst(struct aim_session_t *); struct aim_conn_t *aim_conn_getnext(struct aim_session_t *); void aim_conn_close(struct aim_conn_t *deadconn); struct aim_conn_t *aim_getconn_type(struct aim_session_t *, int type); struct aim_conn_t *aim_newconn(struct aim_session_t *, int type, char *dest); int aim_conngetmaxfd(struct aim_session_t *); struct aim_conn_t *aim_select(struct aim_session_t *, struct timeval *, int *); int aim_conn_isready(struct aim_conn_t *); int aim_conn_setstatus(struct aim_conn_t *, int); void aim_session_init(struct aim_session_t *); /* aim_misc.c */ #define AIM_VISIBILITYCHANGE_PERMITADD 0x05 #define AIM_VISIBILITYCHANGE_PERMITREMOVE 0x06 #define AIM_VISIBILITYCHANGE_DENYADD 0x07 #define AIM_VISIBILITYCHANGE_DENYREMOVE 0x08 u_long aim_bos_nop(struct aim_session_t *, struct aim_conn_t *); u_long aim_bos_setidle(struct aim_session_t *, struct aim_conn_t *, u_long); u_long aim_bos_changevisibility(struct aim_session_t *, struct aim_conn_t *, int, char *); u_long aim_bos_setbuddylist(struct aim_session_t *, struct aim_conn_t *, char *); u_long aim_bos_setprofile(struct aim_session_t *, struct aim_conn_t *, char *, char *, unsigned int); u_long aim_bos_setgroupperm(struct aim_session_t *, struct aim_conn_t *, u_long); u_long aim_bos_clientready(struct aim_session_t *, struct aim_conn_t *); u_long aim_bos_reqrate(struct aim_session_t *, struct aim_conn_t *); u_long aim_bos_ackrateresp(struct aim_session_t *, struct aim_conn_t *); u_long aim_bos_setprivacyflags(struct aim_session_t *, struct aim_conn_t *, u_long); u_long aim_bos_reqpersonalinfo(struct aim_session_t *, struct aim_conn_t *); u_long aim_bos_reqservice(struct aim_session_t *, struct aim_conn_t *, u_short); u_long aim_bos_reqrights(struct aim_session_t *, struct aim_conn_t *); u_long aim_bos_reqbuddyrights(struct aim_session_t *, struct aim_conn_t *); u_long aim_bos_reqlocaterights(struct aim_session_t *, struct aim_conn_t *); u_long aim_bos_reqicbmparaminfo(struct aim_session_t *, struct aim_conn_t *); u_long aim_setversions(struct aim_session_t *sess, struct aim_conn_t *conn); /* aim_rxhandlers.c */ int aim_rxdispatch(struct aim_session_t *); int aim_authparse(struct aim_session_t *, struct command_rx_struct *); int aim_handleredirect_middle(struct aim_session_t *, struct command_rx_struct *, ...); int aim_parse_unknown(struct aim_session_t *, struct command_rx_struct *, ...); int aim_parse_last_bad(struct aim_session_t *, struct command_rx_struct *, ...); int aim_parse_generalerrs(struct aim_session_t *, struct command_rx_struct *command, ...); int aim_parsemotd_middle(struct aim_session_t *sess, struct command_rx_struct *command, ...); /* aim_im.c */ #define AIM_IMFLAGS_AWAY 0x01 /* mark as an autoreply */ #define AIM_IMFLAGS_ACK 0x02 /* request a receipt notice */ u_long aim_send_im(struct aim_session_t *, struct aim_conn_t *, char *, u_int, char *); int aim_parse_incoming_im_middle(struct aim_session_t *, struct command_rx_struct *); int aim_parse_outgoing_im_middle(struct aim_session_t *, struct command_rx_struct *); u_long aim_seticbmparam(struct aim_session_t *, struct aim_conn_t *conn); int aim_parse_msgerror_middle(struct aim_session_t *, struct command_rx_struct *); int aim_negchan_middle(struct aim_session_t *sess, struct command_rx_struct *command); /* aim_info.c */ #define AIM_CAPS_BUDDYICON 0x01 #define AIM_CAPS_VOICE 0x02 #define AIM_CAPS_IMIMAGE 0x04 #define AIM_CAPS_CHAT 0x08 #define AIM_CAPS_GETFILE 0x10 #define AIM_CAPS_SENDFILE 0x20 extern u_char aim_caps[6][16]; u_short aim_getcap(unsigned char *capblock, int buflen); int aim_putcap(unsigned char *capblock, int buflen, u_short caps); #define AIM_GETINFO_GENERALINFO 0x00001 #define AIM_GETINFO_AWAYMESSAGE 0x00003 struct aim_msgcookie_t { unsigned char cookie[8]; int type; void *data; time_t addtime; struct aim_msgcookie_t *next; }; struct aim_filetransfer_t { char sender[MAXSNLEN]; char ip[30]; char *filename; }; int aim_cachecookie(struct aim_session_t *sess, struct aim_msgcookie_t *cookie); struct aim_msgcookie_t *aim_uncachecookie(struct aim_session_t *sess, char *cookie); int aim_purgecookies(struct aim_session_t *sess); #define AIM_TRANSFER_DENY_NOTSUPPORTED 0x0000 #define AIM_TRANSFER_DENY_DECLINE 0x0001 #define AIM_TRANSFER_DENY_NOTACCEPTING 0x0002 u_long aim_denytransfer(struct aim_session_t *sess, struct aim_conn_t *conn, char *sender, char *cookie, unsigned short code); u_long aim_accepttransfer(struct aim_session_t *sess, struct aim_conn_t *conn, char *sender, char *cookie, unsigned short rendid); u_long aim_getinfo(struct aim_session_t *, struct aim_conn_t *, const char *, unsigned short); int aim_extractuserinfo(u_char *, struct aim_userinfo_s *); int aim_parse_userinfo_middle(struct aim_session_t *, struct command_rx_struct *); int aim_parse_oncoming_middle(struct aim_session_t *, struct command_rx_struct *); int aim_parse_offgoing_middle(struct aim_session_t *, struct command_rx_struct *); int aim_putuserinfo(u_char *buf, int buflen, struct aim_userinfo_s *info); int aim_sendbuddyoncoming(struct aim_session_t *sess, struct aim_conn_t *conn, struct aim_userinfo_s *info); int aim_sendbuddyoffgoing(struct aim_session_t *sess, struct aim_conn_t *conn, char *sn); /* aim_auth.c */ int aim_auth_sendcookie(struct aim_session_t *, struct aim_conn_t *, u_char *); u_long aim_auth_clientready(struct aim_session_t *, struct aim_conn_t *); u_long aim_auth_changepasswd(struct aim_session_t *, struct aim_conn_t *, char *, char *); /* aim_buddylist.c */ u_long aim_add_buddy(struct aim_session_t *, struct aim_conn_t *, char *); u_long aim_remove_buddy(struct aim_session_t *, struct aim_conn_t *, char *); /* aim_search.c */ u_long aim_usersearch_address(struct aim_session_t *, struct aim_conn_t *, char *); /* u_long aim_usersearch_name(struct aim_session_t *, struct aim_conn_t *, char *); */ struct aim_chat_roominfo { u_short exchange; char *name; u_short instance; }; int aim_chat_readroominfo(u_char *buf, struct aim_chat_roominfo *outinfo); int aim_chat_parse_infoupdate(struct aim_session_t *sess, struct command_rx_struct *command); int aim_chat_parse_joined(struct aim_session_t *sess, struct command_rx_struct *command); int aim_chat_parse_leave(struct aim_session_t *sess, struct command_rx_struct *command); int aim_chat_parse_incoming(struct aim_session_t *sess, struct command_rx_struct *command); u_long aim_chat_send_im(struct aim_session_t *sess, struct aim_conn_t *conn, char *msg); u_long aim_chat_join(struct aim_session_t *sess, struct aim_conn_t *conn, u_short exchange, const char *roomname); u_long aim_chat_clientready(struct aim_session_t *sess, struct aim_conn_t *conn); int aim_chat_attachname(struct aim_conn_t *conn, char *roomname); char *aim_chat_getname(struct aim_conn_t *conn); struct aim_conn_t *aim_chat_getconn(struct aim_session_t *, char *name); u_long aim_chatnav_reqrights(struct aim_session_t *sess, struct aim_conn_t *conn); u_long aim_chatnav_clientready(struct aim_session_t *sess, struct aim_conn_t *conn); u_long aim_chat_invite(struct aim_session_t *sess, struct aim_conn_t *conn, char *sn, char *msg, u_short exchange, char *roomname, u_short instance); struct aim_chat_exchangeinfo { u_short number; char *name; char *charset1; char *lang1; char *charset2; char *lang2; }; int aim_chatnav_parse_info(struct aim_session_t *sess, struct command_rx_struct *command); u_long aim_chatnav_createroom(struct aim_session_t *sess, struct aim_conn_t *conn, char *name, u_short exchange); int aim_chat_leaveroom(struct aim_session_t *sess, char *name); /* aim_util.c */ #ifdef AIMUTIL_USEMACROS /* * These are really ugly. You'd think this was LISP. I wish it was. */ #define aimutil_put8(buf, data) ((*(buf) = (u_char)(data)&0xff),1) #define aimutil_get8(buf) ((*(buf))&0xff) #define aimutil_put16(buf, data) ( \ (*(buf) = (u_char)((data)>>8)&0xff), \ (*((buf)+1) = (u_char)(data)&0xff), \ 2) #define aimutil_get16(buf) ((((*(buf))<<8)&0xff00) + ((*((buf)+1)) & 0xff)) #define aimutil_put32(buf, data) ( \ (*((buf)) = (u_char)((data)>>24)&0xff), \ (*((buf)+1) = (u_char)((data)>>16)&0xff), \ (*((buf)+2) = (u_char)((data)>>8)&0xff), \ (*((buf)+3) = (u_char)(data)&0xff), \ 4) #define aimutil_get32(buf) ((((*(buf))<<24)&0xff000000) + \ (((*((buf)+1))<<16)&0x00ff0000) + \ (((*((buf)+2))<< 8)&0x0000ff00) + \ (((*((buf)+3) )&0x000000ff))) #else #warning Not using aimutil macros. May have performance problems. int aimutil_put8(u_char *, u_char); u_char aimutil_get8(u_char *buf); int aimutil_put16(u_char *, u_short); u_short aimutil_get16(u_char *); int aimutil_put32(u_char *, u_long); u_long aimutil_get32(u_char *); #endif int aimutil_putstr(u_char *, const u_char *, int); int aimutil_tokslen(char *toSearch, int index, char dl); int aimutil_itemcnt(char *toSearch, char dl); char *aimutil_itemidx(char *toSearch, int index, char dl); int aim_snlen(const char *sn); int aim_sncmp(const char *sn1, const char *sn2); /* aim_meta.c */ char *aim_getbuilddate(void); char *aim_getbuildtime(void); char *aim_getbuildstring(void); #endif /* __AIM_H__ */