X-Git-Url: http://andersk.mit.edu/gitweb/libfaim.git/blobdiff_plain/5e02cf4469b54ab840378d8830db7bdb28ef46ea..98c88242811131668c416faa1e8775b1ff386a88:/faim/aim.h diff --git a/faim/aim.h b/faim/aim.h index 24cb4ce..6f5165e 100644 --- a/faim/aim.h +++ b/faim/aim.h @@ -13,8 +13,8 @@ #include #include -#ifndef FAIM_USEPTHREADS -#error pthreads are currently required. +#if !defined(FAIM_USEPTHREADS) && !defined(FAIM_USEFAKELOCKS) +#error pthreads or fakelocks are currently required. #endif #include @@ -25,14 +25,6 @@ #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 -#endif - #ifdef _WIN32 #include #include @@ -45,6 +37,28 @@ #include #endif +#ifdef FAIM_USEPTHREADS +#include +#define faim_mutex_t pthread_mutex_t +#define faim_mutex_init(x) pthread_mutex_init(x, NULL) +#define faim_mutex_lock(x) pthread_mutex_lock(x) +#define faim_mutex_unlock(x) pthread_mutex_unlock(x) +#define faim_mutex_destroy(x) pthread_mutex_destroy(x) +#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) *x = 0 +#define faim_mutex_lock(x) *x = 1; +#define faim_mutex_unlock(x) *x = 0; +#define faim_mutex_destroy(x) *x = 0; +#endif + /* Portability stuff (DMP) */ #ifdef _WIN32 @@ -52,14 +66,22 @@ #define strlen(x) (int)strlen(x) /* win32 has a unsigned size_t */ #endif -#if defined(_WIN32) || (defined(mach) && defined(__APPLE__)) -#define gethostbyname2(x,y) gethostbyname(x) /* revert to IPv4 */ -#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 16 +#define MAXSNLEN 32 /* * Current Maximum Length for Instant Messages @@ -72,9 +94,11 @@ * 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! + * + * XXX: the real limit is the total SNAC size at 8192. Fix this. * */ -#define MAXMSGLEN 7988 +#define MAXMSGLEN 7987 /* * Current Maximum Length for Chat Room Messages @@ -91,6 +115,8 @@ */ #define AIM_COOKIELEN 0x100 +#define AIM_MD5_STRING "AOL Instant Messenger (SM)" + #if debug > 0 #define faimdprintf(l, x...) {if (l >= debug) printf(x); } #else @@ -129,6 +155,9 @@ struct client_info_s { int build; char country[3]; char lang[3]; + int major2; + int minor2; + long unknown; }; #ifndef TRUE @@ -145,6 +174,19 @@ struct client_info_s { #define AIM_CONN_TYPE_CHAT 0x000e #define AIM_CONN_TYPE_CHATNAV 0x000d +/* they start getting arbitrary in rendezvous stuff =) */ +#define AIM_CONN_TYPE_RENDEZVOUS 0x0101 /* these do not speak OSCAR! */ +#define AIM_CONN_TYPE_RENDEZVOUS_OUT 0x0102 /* socket waiting for accept() */ + +/* + * Subtypes, we need these for OFT stuff. + */ +#define AIM_CONN_SUBTYPE_OFT_DIRECTIM 0x0001 +#define AIM_CONN_SUBTYPE_OFT_GETFILE 0x0002 +#define AIM_CONN_SUBTYPE_OFT_SENDFILE 0x0003 +#define AIM_CONN_SUBTYPE_OFT_BUDDYICON 0x0004 +#define AIM_CONN_SUBTYPE_OFT_VOICE 0x0005 + /* * Status values returned from aim_conn_new(). ORed together. */ @@ -153,9 +195,13 @@ struct client_info_s { #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; + unsigned short type; + unsigned short subtype; int seqnum; int status; void *priv; /* misc data the client may want to store */ @@ -164,29 +210,50 @@ struct aim_conn_t { 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 { - /* byte 1 assumed to always be 0x2a */ - char type; /* type code (byte 2) */ - u_int seqnum; /* sequence number (bytes 3 and 4) */ - u_int commandlen; /* total packet len - 6 (bytes 5 and 6) */ - u_char *data; /* packet data (from 7 byte on) */ - u_int lock; /* 0 = open, !0 = locked */ - u_int handled; /* 0 = new, !0 = been handled */ - u_int nofree; /* 0 = free data on purge, 1 = only unlink */ + unsigned char hdrtype; /* defines which piece of the union to use */ + union { + struct { + char type; + unsigned short seqnum; + } oscar; + struct { + unsigned short type; + unsigned char magic[4]; /* ODC2 OFT2 */ + 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 { - /* byte 1 assumed to be 0x2a */ - char type; /* type/family code */ - u_int seqnum; /* seqnum dynamically assigned on tx */ - u_int commandlen; /* SNAC length */ - u_char *data; /* packet data */ + 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 char magic[4]; /* ODC2 OFT2 */ + 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; @@ -218,7 +285,8 @@ struct aim_session_t { /* * Connection information */ - struct aim_conn_t conns[AIM_CONN_MAX]; + struct aim_conn_t *connlist; + faim_mutex_t connlistlock; /* * TX/RX queues @@ -242,9 +310,12 @@ struct aim_session_t { * Outstanding snac handling * * XXX: Should these be per-connection? -mid - **/ - struct aim_snac_t *outstanding_snacs; + */ + struct aim_snac_t *snac_hash[FAIM_SNAC_HASH_SIZE]; + faim_mutex_t snac_hash_locks[FAIM_SNAC_HASH_SIZE]; u_long snac_nextid; + + struct aim_msgcookie_t *msgcookies; }; @@ -262,15 +333,17 @@ struct aim_userinfo_s { u_short capabilities; }; -#define AIM_CLASS_TRIAL 0x0001 -#define AIM_CLASS_UNKNOWN2 0x0002 +#define AIM_CLASS_TRIAL 0x0001 /* "damned transients" */ +#define AIM_CLASS_ADMINISTRATOR 0x0002 #define AIM_CLASS_AOL 0x0004 -#define AIM_CLASS_UNKNOWN4 0x0008 +#define AIM_CLASS_OSCAR_PAY 0x0008 #define AIM_CLASS_FREE 0x0010 #define AIM_CLASS_AWAY 0x0020 #define AIM_CLASS_UNKNOWN40 0x0040 #define AIM_CLASS_UNKNOWN80 0x0080 +#define AIM_CLASS_ALLUSERS 0x001f + /* * TLV handling */ @@ -314,8 +387,11 @@ int aim_counttlvchain(struct aim_tlvlist_t **list); 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 *); @@ -324,12 +400,12 @@ u_long aim_genericreq_n(struct aim_session_t *, struct aim_conn_t *conn, u_short 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 *); +struct aim_fileheader_t *aim_oft_getfh(char *hdr); + /* 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); +int aim_send_login (struct aim_session_t *, struct aim_conn_t *, char *, char *, struct client_info_s *, char *key); unsigned long aim_sendauthresp(struct aim_session_t *sess, struct aim_conn_t *conn, char *sn, char *bosip, @@ -337,23 +413,25 @@ unsigned long aim_sendauthresp(struct aim_session_t *sess, int regstatus); int aim_gencookie(unsigned char *buf); int aim_sendserverready(struct aim_session_t *sess, struct aim_conn_t *conn); +int aim_authkeyparse(struct aim_session_t *sess, struct command_rx_struct *command); 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 *, ...); +int aim_get_command_rendezvous(struct aim_session_t *sess, struct aim_conn_t *conn); -struct command_tx_struct *aim_tx_new(int, struct aim_conn_t *, int); +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 command_tx_struct *cur); +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 *); @@ -385,6 +463,7 @@ struct aim_snac_t { time_t issuetime; struct aim_snac_t *next; }; +void aim_initsnachash(struct aim_session_t *sess); 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); @@ -409,6 +488,13 @@ void aim_session_init(struct aim_session_t *); #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 + +int aim_send_warning(struct aim_session_t *sess, struct aim_conn_t *conn, char *destsn, int anon); +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 *); @@ -426,6 +512,9 @@ 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); +struct aim_fileheader_t *aim_getlisting(struct aim_session_t*); +int aim_listenestablish(u_short); + /* aim_rxhandlers.c */ int aim_rxdispatch(struct aim_session_t *); int aim_authparse(struct aim_session_t *, struct command_rx_struct *); @@ -434,17 +523,31 @@ 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, ...); +int aim_parse_ratechange_middle(struct aim_session_t *sess, struct command_rx_struct *command); +int aim_parse_evilnotify_middle(struct aim_session_t *sess, struct command_rx_struct *command); +int aim_parse_msgack_middle(struct aim_session_t *sess, struct command_rx_struct *command); /* aim_im.c */ +struct aim_directim_priv { + unsigned char cookie[8]; + char sn[MAXSNLEN+1]; + char ip[30]; +}; + #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); +struct aim_conn_t * aim_directim_initiate(struct aim_session_t *, struct aim_conn_t *, struct aim_directim_priv *, char *); +int aim_send_im_direct(struct aim_session_t *, struct aim_conn_t *, char *); +struct aim_conn_t *aim_directim_connect(struct aim_session_t *, struct aim_conn_t *, struct aim_directim_priv *); + /* aim_info.c */ #define AIM_CAPS_BUDDYICON 0x01 #define AIM_CAPS_VOICE 0x02 @@ -452,11 +555,96 @@ int aim_negchan_middle(struct aim_session_t *sess, struct command_rx_struct *com #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_fileheader_t { +#if 0 + char magic[4]; /* 0 */ + short hdrlen; /* 4 */ + short hdrtype; /* 6 */ +#endif + char bcookie[8]; /* 8 */ + short encrypt; /* 16 */ + short compress; /* 18 */ + short totfiles; /* 20 */ + short filesleft; /* 22 */ + short totparts; /* 24 */ + short partsleft; /* 26 */ + long totsize; /* 28 */ + long size; /* 32 */ + long modtime; /* 36 */ + long checksum; /* 40 */ + long rfrcsum; /* 44 */ + long rfsize; /* 48 */ + long cretime; /* 52 */ + long rfcsum; /* 56 */ + long nrecvd; /* 60 */ + long recvcsum; /* 64 */ + char idstring[32]; /* 68 */ + char flags; /* 100 */ + char lnameoffset; /* 101 */ + char lsizeoffset; /* 102 */ + char dummy[69]; /* 103 */ + char macfileinfo[16]; /* 172 */ + short nencode; /* 188 */ + short nlanguage; /* 190 */ + char name[64]; /* 192 */ + /* 256 */ +}; + +struct aim_filetransfer_priv { + char sn[MAXSNLEN]; + char cookie[8]; + char ip[30]; + int state; + struct aim_fileheader_t fh; +}; + +#define AIM_COOKIETYPE_UNKNOWN 0x00 +#define AIM_COOKIETYPE_ICBM 0x01 +#define AIM_COOKIETYPE_ADS 0x02 +#define AIM_COOKIETYPE_BOS 0x03 +#define AIM_COOKIETYPE_IM 0x04 +#define AIM_COOKIETYPE_CHAT 0x05 +#define AIM_COOKIETYPE_CHATNAV 0x06 +/* we'll move OFT up a bit to give breathing room. not like it really + * matters. */ +#define AIM_COOKIETYPE_OFTIM 0x10 +#define AIM_COOKIETYPE_OFTGET 0x11 +#define AIM_COOKIETYPE_OFTSEND 0x12 +#define AIM_COOKIETYPE_OFTVOICE 0x13 +#define AIM_COOKIETYPE_OFTIMAGE 0x14 +#define AIM_COOKIETYPE_OFTICON 0x15 + +int aim_cachecookie(struct aim_session_t *sess, struct aim_msgcookie_t *cookie); +int aim_purgecookies(struct aim_session_t *sess, int maxage); +struct aim_msgcookie_t *aim_uncachecookie(struct aim_session_t *sess, char *cookie, int type); +struct aim_msgcookie_t *aim_mkcookie(unsigned char *, int, void *); +struct aim_msgcookie_t *aim_checkcookie(struct aim_session_t *, char *, int); +int aim_getcookietype(int); + +int aim_handlerendconnect(struct aim_session_t *sess, struct aim_conn_t *cur); + +#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,struct aim_conn_t *oftconn, 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 *);