X-Git-Url: http://andersk.mit.edu/gitweb/libfaim.git/blobdiff_plain/9d83220cefa5bf6e22fbabae688b151c107780cd..70b889c543b058eddf2f369069d123c137ced02b:/src/chat.c diff --git a/src/chat.c b/src/chat.c index 5c3f455..0a48205 100644 --- a/src/chat.c +++ b/src/chat.c @@ -27,7 +27,7 @@ faim_export struct aim_conn_t *aim_chat_getconn(struct aim_session_t *sess, char if (cur->type != AIM_CONN_TYPE_CHAT) continue; if (!cur->priv) { - printf("faim: chat: chat connection with no name! (fd = %d)\n", cur->fd); + faimdprintf(sess, 0, "faim: chat: chat connection with no name! (fd = %d)\n", cur->fd); continue; } if (strcmp((char *)cur->priv, name) == 0) @@ -51,20 +51,33 @@ faim_export int aim_chat_attachname(struct aim_conn_t *conn, char *roomname) return 0; } -/* XXX convert this to use tlvchains */ +/* + * Send a Chat Message. + * + * Possible flags: + * AIM_CHATFLAGS_NOREFLECT -- Unset the flag that requests messages + * should be sent to their sender. + * AIM_CHATFLAGS_AWAY -- Mark the message as an autoresponse + * (Note that WinAIM does not honor this, + * and displays the message as normal.) + * + * XXX convert this to use tlvchains + */ faim_export unsigned long aim_chat_send_im(struct aim_session_t *sess, struct aim_conn_t *conn, - char *msg) + unsigned short flags, + const char *msg, + int msglen) { int curbyte,i; struct command_tx_struct *newpacket; struct aim_msgcookie_t *cookie; - if (!sess || !conn || !msg) + if (!sess || !conn || !msg || (msglen <= 0)) return 0; - if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 1152))) + if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 1152))) return -1; newpacket->lock = 1; /* lock struct */ @@ -90,16 +103,26 @@ faim_export unsigned long aim_chat_send_im(struct aim_session_t *sess, curbyte += aimutil_put16(newpacket->data+curbyte, 0x0003); /* - * Type 1: Unknown. Blank. + * Type 1: Flag meaning this message is destined to the room. */ curbyte += aimutil_put16(newpacket->data+curbyte, 0x0001); curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000); /* - * Type 6: Unknown. Blank. + * Type 6: Reflect */ - curbyte += aimutil_put16(newpacket->data+curbyte, 0x0006); - curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000); + if (!(flags & AIM_CHATFLAGS_NOREFLECT)) { + curbyte += aimutil_put16(newpacket->data+curbyte, 0x0006); + curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000); + } + + /* + * Type 7: Autoresponse + */ + if (flags & AIM_CHATFLAGS_AWAY) { + curbyte += aimutil_put16(newpacket->data+curbyte, 0x0007); + curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000); + } /* * Type 5: Message block. Contains more TLVs. @@ -143,7 +166,7 @@ faim_export unsigned long aim_chat_join(struct aim_session_t *sess, if (!sess || !conn || !roomname) return 0; - if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 10+9+strlen(roomname)+2))) + if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 10+9+strlen(roomname)+2))) return -1; newpacket->lock = 1; @@ -208,326 +231,13 @@ faim_internal int aim_chat_readroominfo(u_char *buf, struct aim_chat_roominfo *o return i; } - -/* - * General room information. Lots of stuff. - * - * Values I know are in here but I havent attached - * them to any of the 'Unknown's: - * - Language (English) - * - * SNAC 000e/0002 - */ -faim_internal int aim_chat_parse_infoupdate(struct aim_session_t *sess, - struct command_rx_struct *command) -{ - struct aim_userinfo_s *userinfo = NULL; - rxcallback_t userfunc=NULL; - int ret = 1, i = 0; - int usercount = 0; - u_char detaillevel = 0; - char *roomname = NULL; - struct aim_chat_roominfo roominfo; - u_short tlvcount = 0; - struct aim_tlvlist_t *tlvlist; - char *roomdesc = NULL; - unsigned short unknown_c9 = 0; - unsigned long creationtime = 0; - unsigned short maxmsglen = 0; - unsigned short unknown_d2 = 0, unknown_d5 = 0; - - i = 10; - i += aim_chat_readroominfo(command->data+i, &roominfo); - - detaillevel = aimutil_get8(command->data+i); - i++; - - if (detaillevel != 0x02) { - if (detaillevel == 0x01) - printf("faim: chat_roomupdateinfo: detail level 1 not supported\n"); - else - printf("faim: chat_roomupdateinfo: unknown detail level %d\n", detaillevel); - return 1; - } - - tlvcount = aimutil_get16(command->data+i); - i += 2; - - /* - * Everything else are TLVs. - */ - tlvlist = aim_readtlvchain(command->data+i, command->commandlen-i); - - /* - * TLV type 0x006a is the room name in Human Readable Form. - */ - if (aim_gettlv(tlvlist, 0x006a, 1)) - roomname = aim_gettlv_str(tlvlist, 0x006a, 1); - - /* - * Type 0x006f: Number of occupants. - */ - if (aim_gettlv(tlvlist, 0x006f, 1)) - usercount = aim_gettlv16(tlvlist, 0x006f, 1); - - /* - * Type 0x0073: Occupant list. - */ - if (aim_gettlv(tlvlist, 0x0073, 1)) { - int curoccupant = 0; - struct aim_tlv_t *tmptlv; - - tmptlv = aim_gettlv(tlvlist, 0x0073, 1); - - /* Allocate enough userinfo structs for all occupants */ - userinfo = calloc(usercount, sizeof(struct aim_userinfo_s)); - - i = 0; - while (curoccupant < usercount) - i += aim_extractuserinfo(tmptlv->value+i, &userinfo[curoccupant++]); - } - - /* - * Type 0x00c9: Unknown. (2 bytes) - */ - if (aim_gettlv(tlvlist, 0x00c9, 1)) - unknown_c9 = aim_gettlv16(tlvlist, 0x00c9, 1); - - /* - * Type 0x00ca: Creation time (4 bytes) - */ - if (aim_gettlv(tlvlist, 0x00ca, 1)) - creationtime = aim_gettlv32(tlvlist, 0x00ca, 1); - - /* - * Type 0x00d1: Maximum Message Length - */ - if (aim_gettlv(tlvlist, 0x00d1, 1)) - maxmsglen = aim_gettlv16(tlvlist, 0x00d1, 1); - - /* - * Type 0x00d2: Unknown. (2 bytes) - */ - if (aim_gettlv(tlvlist, 0x00d2, 1)) - unknown_d2 = aim_gettlv16(tlvlist, 0x00d2, 1); - - /* - * Type 0x00d3: Room Description - */ - if (aim_gettlv(tlvlist, 0x00d3, 1)) - roomdesc = aim_gettlv_str(tlvlist, 0x00d3, 1); - - /* - * Type 0x00d5: Unknown. (1 byte) - */ - if (aim_gettlv(tlvlist, 0x00d5, 1)) - unknown_d5 = aim_gettlv8(tlvlist, 0x00d5, 1); - - - if ((userfunc = aim_callhandler(command->conn, AIM_CB_FAM_CHT, AIM_CB_CHT_ROOMINFOUPDATE))) { - ret = userfunc(sess, - command, - &roominfo, - roomname, - usercount, - userinfo, - roomdesc, - unknown_c9, - creationtime, - maxmsglen, - unknown_d2, - unknown_d5); - } - free(roominfo.name); - free(userinfo); - free(roomname); - free(roomdesc); - aim_freetlvchain(&tlvlist); - - return ret; -} - -faim_internal int aim_chat_parse_joined(struct aim_session_t *sess, - struct command_rx_struct *command) -{ - struct aim_userinfo_s *userinfo = NULL; - rxcallback_t userfunc=NULL; - int i = 10, curcount = 0, ret = 1; - - while (i < command->commandlen) { - curcount++; - userinfo = realloc(userinfo, curcount * sizeof(struct aim_userinfo_s)); - i += aim_extractuserinfo(command->data+i, &userinfo[curcount-1]); - } - - if ((userfunc = aim_callhandler(command->conn, AIM_CB_FAM_CHT, AIM_CB_CHT_USERJOIN))) { - ret = userfunc(sess, - command, - curcount, - userinfo); - } - - free(userinfo); - - return ret; -} - -faim_internal int aim_chat_parse_leave(struct aim_session_t *sess, - struct command_rx_struct *command) -{ - - struct aim_userinfo_s *userinfo = NULL; - rxcallback_t userfunc=NULL; - int i = 10, curcount = 0, ret = 1; - - while (i < command->commandlen) { - curcount++; - userinfo = realloc(userinfo, curcount * sizeof(struct aim_userinfo_s)); - i += aim_extractuserinfo(command->data+i, &userinfo[curcount-1]); - } - - if ((userfunc = aim_callhandler(command->conn, AIM_CB_FAM_CHT, AIM_CB_CHT_USERLEAVE))) { - ret = userfunc(sess, - command, - curcount, - userinfo); - } - - free(userinfo); - - return ret; -} - -/* - * We could probably include this in the normal ICBM parsing - * code as channel 0x0003, however, since only the start - * would be the same, we might as well do it here. - * - * General outline of this SNAC: - * snac - * cookie - * channel id - * tlvlist - * unknown - * source user info - * name - * evility - * userinfo tlvs - * online time - * etc - * message metatlv - * message tlv - * message string - * possibly others - * - */ -faim_internal int aim_chat_parse_incoming(struct aim_session_t *sess, - struct command_rx_struct *command) -{ - struct aim_userinfo_s userinfo; - rxcallback_t userfunc=NULL; - int ret = 1, i = 0, z = 0; - unsigned char cookie[8]; - int channel; - struct aim_tlvlist_t *outerlist; - char *msg = NULL; - struct aim_msgcookie_t *ck; - - memset(&userinfo, 0x00, sizeof(struct aim_userinfo_s)); - - i = 10; /* skip snac */ - - /* - * ICBM Cookie. Cache it. - */ - for (z=0; z<8; z++,i++) - cookie[z] = command->data[i]; - - if ((ck = aim_uncachecookie(sess, cookie, AIM_COOKIETYPE_CHAT))) { - if (ck->data) - free(ck->data); - free(ck); - } - - /* - * Channel ID - * - * Channels 1 and 2 are implemented in the normal ICBM - * parser. - * - * We only do channel 3 here. - * - */ - channel = aimutil_get16(command->data+i); - i += 2; - - if (channel != 0x0003) { - printf("faim: chat_incoming: unknown channel! (0x%04x)\n", channel); - return 1; - } - - /* - * Start parsing TLVs right away. - */ - outerlist = aim_readtlvchain(command->data+i, command->commandlen-i); - - /* - * Type 0x0003: Source User Information - */ - if (aim_gettlv(outerlist, 0x0003, 1)) { - struct aim_tlv_t *userinfotlv; - - userinfotlv = aim_gettlv(outerlist, 0x0003, 1); - aim_extractuserinfo(userinfotlv->value, &userinfo); - } - - /* - * Type 0x0001: Unknown. - */ - if (aim_gettlv(outerlist, 0x0001, 1)) - ; - - /* - * Type 0x0005: Message Block. Conains more TLVs. - */ - if (aim_gettlv(outerlist, 0x0005, 1)) - { - struct aim_tlvlist_t *innerlist; - struct aim_tlv_t *msgblock; - - msgblock = aim_gettlv(outerlist, 0x0005, 1); - innerlist = aim_readtlvchain(msgblock->value, msgblock->length); - - /* - * Type 0x0001: Message. - */ - if (aim_gettlv(innerlist, 0x0001, 1)) - msg = aim_gettlv_str(innerlist, 0x0001, 1); - - aim_freetlvchain(&innerlist); - } - - userfunc = aim_callhandler(command->conn, AIM_CB_FAM_CHT, AIM_CB_CHT_INCOMINGMSG); - if (userfunc) - { - ret = userfunc(sess, - command, - &userinfo, - msg); - } - free(msg); - aim_freetlvchain(&outerlist); - - return ret; -} - faim_export unsigned long aim_chat_clientready(struct aim_session_t *sess, struct aim_conn_t *conn) { struct command_tx_struct *newpacket; int i; - if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 0x20))) + if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 0x20))) return -1; newpacket->lock = 1; @@ -586,7 +296,7 @@ faim_export unsigned long aim_chat_invite(struct aim_session_t *sess, if (conn->type != AIM_CONN_TYPE_BOS) return -1; - if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 1152+strlen(sn)+strlen(roomname)+strlen(msg)))) + if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 1152+strlen(sn)+strlen(roomname)+strlen(msg)))) return -1; newpacket->lock = 1; @@ -679,3 +389,335 @@ faim_export unsigned long aim_chat_invite(struct aim_session_t *sess, return (sess->snac_nextid++); } + +/* + * General room information. Lots of stuff. + * + * Values I know are in here but I havent attached + * them to any of the 'Unknown's: + * - Language (English) + * + * SNAC 000e/0002 + */ +static int infoupdate(struct aim_session_t *sess, aim_module_t *mod, struct command_rx_struct *rx, aim_modsnac_t *snac, unsigned char *data, int datalen) +{ + struct aim_userinfo_s *userinfo = NULL; + aim_rxcallback_t userfunc=NULL; + int ret = 0, i = 0; + int usercount = 0; + unsigned char detaillevel = 0; + char *roomname = NULL; + struct aim_chat_roominfo roominfo; + unsigned short tlvcount = 0; + struct aim_tlvlist_t *tlvlist; + char *roomdesc = NULL; + unsigned short unknown_c9 = 0; + unsigned long creationtime = 0; + unsigned short maxmsglen = 0, maxvisiblemsglen = 0; + unsigned short unknown_d2 = 0, unknown_d5 = 0; + + i += aim_chat_readroominfo(data+i, &roominfo); + + detaillevel = aimutil_get8(data+i); + i++; + + if (detaillevel != 0x02) { + if (detaillevel == 0x01) + faimdprintf(sess, 0, "faim: chat_roomupdateinfo: detail level 1 not supported\n"); + else + faimdprintf(sess, 0, "faim: chat_roomupdateinfo: unknown detail level %d\n", detaillevel); + return 1; + } + + tlvcount = aimutil_get16(data+i); + i += 2; + + /* + * Everything else are TLVs. + */ + tlvlist = aim_readtlvchain(data+i, datalen-i); + + /* + * TLV type 0x006a is the room name in Human Readable Form. + */ + if (aim_gettlv(tlvlist, 0x006a, 1)) + roomname = aim_gettlv_str(tlvlist, 0x006a, 1); + + /* + * Type 0x006f: Number of occupants. + */ + if (aim_gettlv(tlvlist, 0x006f, 1)) + usercount = aim_gettlv16(tlvlist, 0x006f, 1); + + /* + * Type 0x0073: Occupant list. + */ + if (aim_gettlv(tlvlist, 0x0073, 1)) { + int curoccupant = 0; + struct aim_tlv_t *tmptlv; + + tmptlv = aim_gettlv(tlvlist, 0x0073, 1); + + /* Allocate enough userinfo structs for all occupants */ + userinfo = calloc(usercount, sizeof(struct aim_userinfo_s)); + + for (i = 0; curoccupant < usercount; ) + i += aim_extractuserinfo(sess, tmptlv->value+i, &userinfo[curoccupant++]); + } + + /* + * Type 0x00c9: Unknown. (2 bytes) + */ + if (aim_gettlv(tlvlist, 0x00c9, 1)) + unknown_c9 = aim_gettlv16(tlvlist, 0x00c9, 1); + + /* + * Type 0x00ca: Creation time (4 bytes) + */ + if (aim_gettlv(tlvlist, 0x00ca, 1)) + creationtime = aim_gettlv32(tlvlist, 0x00ca, 1); + + /* + * Type 0x00d1: Maximum Message Length + */ + if (aim_gettlv(tlvlist, 0x00d1, 1)) + maxmsglen = aim_gettlv16(tlvlist, 0x00d1, 1); + + /* + * Type 0x00d2: Unknown. (2 bytes) + */ + if (aim_gettlv(tlvlist, 0x00d2, 1)) + unknown_d2 = aim_gettlv16(tlvlist, 0x00d2, 1); + + /* + * Type 0x00d3: Room Description + */ + if (aim_gettlv(tlvlist, 0x00d3, 1)) + roomdesc = aim_gettlv_str(tlvlist, 0x00d3, 1); + + /* + * Type 0x000d4: Unknown (flag only) + */ + if (aim_gettlv(tlvlist, 0x000d4, 1)) + ; + + /* + * Type 0x00d5: Unknown. (1 byte) + */ + if (aim_gettlv(tlvlist, 0x00d5, 1)) + unknown_d5 = aim_gettlv8(tlvlist, 0x00d5, 1); + + + /* + * Type 0x00d6: Encoding 1 ("us-ascii") + */ + if (aim_gettlv(tlvlist, 0x000d6, 1)) + ; + + /* + * Type 0x00d7: Language 1 ("en") + */ + if (aim_gettlv(tlvlist, 0x000d7, 1)) + ; + + /* + * Type 0x00d8: Encoding 2 ("us-ascii") + */ + if (aim_gettlv(tlvlist, 0x000d8, 1)) + ; + + /* + * Type 0x00d9: Language 2 ("en") + */ + if (aim_gettlv(tlvlist, 0x000d9, 1)) + ; + + /* + * Type 0x00da: Maximum visible message length + */ + if (aim_gettlv(tlvlist, 0x000da, 1)) + maxvisiblemsglen = aim_gettlv16(tlvlist, 0x00da, 1); + + if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype))) { + ret = userfunc(sess, + rx, + &roominfo, + roomname, + usercount, + userinfo, + roomdesc, + unknown_c9, + creationtime, + maxmsglen, + unknown_d2, + unknown_d5, + maxvisiblemsglen); + } + + free(roominfo.name); + free(userinfo); + free(roomname); + free(roomdesc); + aim_freetlvchain(&tlvlist); + + return ret; +} + +static int userlistchange(struct aim_session_t *sess, aim_module_t *mod, struct command_rx_struct *rx, aim_modsnac_t *snac, unsigned char *data, int datalen) +{ + struct aim_userinfo_s *userinfo = NULL; + aim_rxcallback_t userfunc; + int i = 0, curcount = 0, ret = 0; + + while (i < datalen) { + curcount++; + userinfo = realloc(userinfo, curcount * sizeof(struct aim_userinfo_s)); + i += aim_extractuserinfo(sess, data+i, &userinfo[curcount-1]); + } + + if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype))) + ret = userfunc(sess, rx, curcount, userinfo); + + free(userinfo); + + return ret; +} + +/* + * We could probably include this in the normal ICBM parsing + * code as channel 0x0003, however, since only the start + * would be the same, we might as well do it here. + * + * General outline of this SNAC: + * snac + * cookie + * channel id + * tlvlist + * unknown + * source user info + * name + * evility + * userinfo tlvs + * online time + * etc + * message metatlv + * message tlv + * message string + * possibly others + * + */ +static int incomingmsg(struct aim_session_t *sess, aim_module_t *mod, struct command_rx_struct *rx, aim_modsnac_t *snac, unsigned char *data, int datalen) +{ + struct aim_userinfo_s userinfo; + aim_rxcallback_t userfunc=NULL; + int ret = 0, i = 0; + unsigned char cookie[8]; + int channel; + struct aim_tlvlist_t *outerlist; + char *msg = NULL; + struct aim_msgcookie_t *ck; + + memset(&userinfo, 0x00, sizeof(struct aim_userinfo_s)); + + /* + * ICBM Cookie. Cache it. + */ + memcpy(cookie, data, 8); + i += 8; + + if ((ck = aim_uncachecookie(sess, cookie, AIM_COOKIETYPE_CHAT))) { + if (ck->data) + free(ck->data); + free(ck); + } + + /* + * Channel ID + * + * Channels 1 and 2 are implemented in the normal ICBM + * parser. + * + * We only do channel 3 here. + * + */ + channel = aimutil_get16(data+i); + i += 2; + + if (channel != 0x0003) { + faimdprintf(sess, 0, "faim: chat_incoming: unknown channel! (0x%04x)\n", channel); + return 0; + } + + /* + * Start parsing TLVs right away. + */ + outerlist = aim_readtlvchain(data+8+2, datalen-8-2); + + /* + * Type 0x0003: Source User Information + */ + if (aim_gettlv(outerlist, 0x0003, 1)) { + struct aim_tlv_t *userinfotlv; + + userinfotlv = aim_gettlv(outerlist, 0x0003, 1); + aim_extractuserinfo(sess, userinfotlv->value, &userinfo); + } + + /* + * Type 0x0001: Unknown. + */ + if (aim_gettlv(outerlist, 0x0001, 1)) + ; + + /* + * Type 0x0005: Message Block. Conains more TLVs. + */ + if (aim_gettlv(outerlist, 0x0005, 1)) { + struct aim_tlvlist_t *innerlist; + struct aim_tlv_t *msgblock; + + msgblock = aim_gettlv(outerlist, 0x0005, 1); + innerlist = aim_readtlvchain(msgblock->value, msgblock->length); + + /* + * Type 0x0001: Message. + */ + if (aim_gettlv(innerlist, 0x0001, 1)) + msg = aim_gettlv_str(innerlist, 0x0001, 1); + + aim_freetlvchain(&innerlist); + } + + if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype))) + ret = userfunc(sess, rx, &userinfo, msg); + + free(msg); + aim_freetlvchain(&outerlist); + + return ret; +} + +static int snachandler(struct aim_session_t *sess, aim_module_t *mod, struct command_rx_struct *rx, aim_modsnac_t *snac, unsigned char *data, int datalen) +{ + + if (snac->subtype == 0x0002) + return infoupdate(sess, mod, rx, snac, data, datalen); + else if ((snac->subtype == 0x0003) || (snac->subtype == 0x0004)) + return userlistchange(sess, mod, rx, snac, data, datalen); + else if (snac->subtype == 0x0006) + return incomingmsg(sess, mod, rx, snac, data, datalen); + + return 0; +} + +faim_internal int chat_modfirst(struct aim_session_t *sess, aim_module_t *mod) +{ + + mod->family = 0x000e; + mod->version = 0x0000; + mod->flags = 0; + strncpy(mod->name, "chat", sizeof(mod->name)); + mod->snachandler = snachandler; + + return 0; +}