aboutsummaryrefslogtreecommitdiffstats
path: root/protocols/oscar/chat.c
diff options
context:
space:
mode:
Diffstat (limited to 'protocols/oscar/chat.c')
-rw-r--r--protocols/oscar/chat.c702
1 files changed, 702 insertions, 0 deletions
diff --git a/protocols/oscar/chat.c b/protocols/oscar/chat.c
new file mode 100644
index 00000000..fbf45693
--- /dev/null
+++ b/protocols/oscar/chat.c
@@ -0,0 +1,702 @@
+/*
+ * aim_chat.c
+ *
+ * Routines for the Chat service.
+ *
+ */
+
+#include <aim.h>
+#include <glib.h>
+#include "info.h"
+
+/* Stored in the ->priv of chat connections */
+struct chatconnpriv {
+ guint16 exchange;
+ char *name;
+ guint16 instance;
+};
+
+void aim_conn_kill_chat(aim_session_t *sess, aim_conn_t *conn)
+{
+ struct chatconnpriv *ccp = (struct chatconnpriv *)conn->priv;
+
+ if (ccp)
+ g_free(ccp->name);
+ g_free(ccp);
+
+ return;
+}
+
+char *aim_chat_getname(aim_conn_t *conn)
+{
+ struct chatconnpriv *ccp;
+
+ if (!conn)
+ return NULL;
+
+ if (conn->type != AIM_CONN_TYPE_CHAT)
+ return NULL;
+
+ ccp = (struct chatconnpriv *)conn->priv;
+
+ return ccp->name;
+}
+
+/* XXX get this into conn.c -- evil!! */
+aim_conn_t *aim_chat_getconn(aim_session_t *sess, const char *name)
+{
+ aim_conn_t *cur;
+
+ for (cur = sess->connlist; cur; cur = cur->next) {
+ struct chatconnpriv *ccp = (struct chatconnpriv *)cur->priv;
+
+ if (cur->type != AIM_CONN_TYPE_CHAT)
+ continue;
+ if (!cur->priv) {
+ imcb_error(sess->aux_data, "chat connection with no name!");
+ continue;
+ }
+
+ if (strcmp(ccp->name, name) == 0)
+ break;
+ }
+
+ return cur;
+}
+
+int aim_chat_attachname(aim_conn_t *conn, guint16 exchange, const char *roomname, guint16 instance)
+{
+ struct chatconnpriv *ccp;
+
+ if (!conn || !roomname)
+ return -EINVAL;
+
+ if (conn->priv)
+ g_free(conn->priv);
+
+ if (!(ccp = g_malloc(sizeof(struct chatconnpriv))))
+ return -ENOMEM;
+
+ ccp->exchange = exchange;
+ ccp->name = g_strdup(roomname);
+ ccp->instance = instance;
+
+ conn->priv = (void *)ccp;
+
+ return 0;
+}
+
+/*
+ * 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
+ */
+int aim_chat_send_im(aim_session_t *sess, aim_conn_t *conn, guint16 flags, const char *msg, int msglen)
+{
+ int i;
+ aim_frame_t *fr;
+ aim_msgcookie_t *cookie;
+ aim_snacid_t snacid;
+ guint8 ckstr[8];
+ aim_tlvlist_t *otl = NULL, *itl = NULL;
+
+ if (!sess || !conn || !msg || (msglen <= 0))
+ return 0;
+
+ if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 1152)))
+ return -ENOMEM;
+
+ snacid = aim_cachesnac(sess, 0x000e, 0x0005, 0x0000, NULL, 0);
+ aim_putsnac(&fr->data, 0x000e, 0x0005, 0x0000, snacid);
+
+
+ /*
+ * Generate a random message cookie.
+ *
+ * XXX mkcookie should generate the cookie and cache it in one
+ * operation to preserve uniqueness.
+ *
+ */
+ for (i = 0; i < sizeof(ckstr); i++)
+ aimutil_put8(ckstr+i, (guint8) rand());
+
+ cookie = aim_mkcookie(ckstr, AIM_COOKIETYPE_CHAT, NULL);
+ cookie->data = NULL; /* XXX store something useful here */
+
+ aim_cachecookie(sess, cookie);
+
+ for (i = 0; i < sizeof(ckstr); i++)
+ aimbs_put8(&fr->data, ckstr[i]);
+
+
+ /*
+ * Channel ID.
+ */
+ aimbs_put16(&fr->data, 0x0003);
+
+
+ /*
+ * Type 1: Flag meaning this message is destined to the room.
+ */
+ aim_addtlvtochain_noval(&otl, 0x0001);
+
+ /*
+ * Type 6: Reflect
+ */
+ if (!(flags & AIM_CHATFLAGS_NOREFLECT))
+ aim_addtlvtochain_noval(&otl, 0x0006);
+
+ /*
+ * Type 7: Autoresponse
+ */
+ if (flags & AIM_CHATFLAGS_AWAY)
+ aim_addtlvtochain_noval(&otl, 0x0007);
+
+ /* [WvG] This wasn't there originally, but we really should send
+ the right charset flags, as we also do with normal
+ messages. Hope this will work. :-) */
+ /*
+ if (flags & AIM_CHATFLAGS_UNICODE)
+ aimbs_put16(&fr->data, 0x0002);
+ else if (flags & AIM_CHATFLAGS_ISO_8859_1)
+ aimbs_put16(&fr->data, 0x0003);
+ else
+ aimbs_put16(&fr->data, 0x0000);
+
+ aimbs_put16(&fr->data, 0x0000);
+ */
+
+ /*
+ * SubTLV: Type 1: Message
+ */
+ aim_addtlvtochain_raw(&itl, 0x0001, strlen(msg), (guint8 *)msg);
+
+ /*
+ * Type 5: Message block. Contains more TLVs.
+ *
+ * This could include other information... We just
+ * put in a message TLV however.
+ *
+ */
+ aim_addtlvtochain_frozentlvlist(&otl, 0x0005, &itl);
+
+ aim_writetlvchain(&fr->data, &otl);
+
+ aim_freetlvchain(&itl);
+ aim_freetlvchain(&otl);
+
+ aim_tx_enqueue(sess, fr);
+
+ return 0;
+}
+
+/*
+ * Join a room of name roomname. This is the first step to joining an
+ * already created room. It's basically a Service Request for
+ * family 0x000e, with a little added on to specify the exchange and room
+ * name.
+ */
+int aim_chat_join(aim_session_t *sess, aim_conn_t *conn, guint16 exchange, const char *roomname, guint16 instance)
+{
+ aim_frame_t *fr;
+ aim_snacid_t snacid;
+ aim_tlvlist_t *tl = NULL;
+ struct chatsnacinfo csi;
+
+ if (!sess || !conn || !roomname || !strlen(roomname))
+ return -EINVAL;
+
+ if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 512)))
+ return -ENOMEM;
+
+ memset(&csi, 0, sizeof(csi));
+ csi.exchange = exchange;
+ strncpy(csi.name, roomname, sizeof(csi.name));
+ csi.instance = instance;
+
+ snacid = aim_cachesnac(sess, 0x0001, 0x0004, 0x0000, &csi, sizeof(csi));
+ aim_putsnac(&fr->data, 0x0001, 0x0004, 0x0000, snacid);
+
+ /*
+ * Requesting service chat (0x000e)
+ */
+ aimbs_put16(&fr->data, 0x000e);
+
+ aim_addtlvtochain_chatroom(&tl, 0x0001, exchange, roomname, instance);
+ aim_writetlvchain(&fr->data, &tl);
+ aim_freetlvchain(&tl);
+
+ aim_tx_enqueue(sess, fr);
+
+ return 0;
+}
+
+int aim_chat_readroominfo(aim_bstream_t *bs, struct aim_chat_roominfo *outinfo)
+{
+ int namelen;
+
+ if (!bs || !outinfo)
+ return 0;
+
+ outinfo->exchange = aimbs_get16(bs);
+ namelen = aimbs_get8(bs);
+ outinfo->name = aimbs_getstr(bs, namelen);
+ outinfo->instance = aimbs_get16(bs);
+
+ return 0;
+}
+
+int aim_chat_leaveroom(aim_session_t *sess, const char *name)
+{
+ aim_conn_t *conn;
+
+ if (!(conn = aim_chat_getconn(sess, name)))
+ return -ENOENT;
+
+ aim_conn_close(conn);
+
+ return 0;
+}
+
+/*
+ * conn must be a BOS connection!
+ */
+int aim_chat_invite(aim_session_t *sess, aim_conn_t *conn, const char *sn, const char *msg, guint16 exchange, const char *roomname, guint16 instance)
+{
+ int i;
+ aim_frame_t *fr;
+ aim_msgcookie_t *cookie;
+ struct aim_invite_priv *priv;
+ guint8 ckstr[8];
+ aim_snacid_t snacid;
+ aim_tlvlist_t *otl = NULL, *itl = NULL;
+ guint8 *hdr;
+ int hdrlen;
+ aim_bstream_t hdrbs;
+
+ if (!sess || !conn || !sn || !msg || !roomname)
+ return -EINVAL;
+
+ if (conn->type != AIM_CONN_TYPE_BOS)
+ return -EINVAL;
+
+ if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 1152+strlen(sn)+strlen(roomname)+strlen(msg))))
+ return -ENOMEM;
+
+ snacid = aim_cachesnac(sess, 0x0004, 0x0006, 0x0000, sn, strlen(sn)+1);
+ aim_putsnac(&fr->data, 0x0004, 0x0006, 0x0000, snacid);
+
+
+ /*
+ * Cookie
+ */
+ for (i = 0; i < sizeof(ckstr); i++)
+ aimutil_put8(ckstr, (guint8) rand());
+
+ /* XXX should be uncached by an unwritten 'invite accept' handler */
+ if ((priv = g_malloc(sizeof(struct aim_invite_priv)))) {
+ priv->sn = g_strdup(sn);
+ priv->roomname = g_strdup(roomname);
+ priv->exchange = exchange;
+ priv->instance = instance;
+ }
+
+ if ((cookie = aim_mkcookie(ckstr, AIM_COOKIETYPE_INVITE, priv)))
+ aim_cachecookie(sess, cookie);
+ else
+ g_free(priv);
+
+ for (i = 0; i < sizeof(ckstr); i++)
+ aimbs_put8(&fr->data, ckstr[i]);
+
+
+ /*
+ * Channel (2)
+ */
+ aimbs_put16(&fr->data, 0x0002);
+
+ /*
+ * Dest sn
+ */
+ aimbs_put8(&fr->data, strlen(sn));
+ aimbs_putraw(&fr->data, (guint8 *)sn, strlen(sn));
+
+ /*
+ * TLV t(0005)
+ *
+ * Everything else is inside this TLV.
+ *
+ * Sigh. AOL was rather inconsistent right here. So we have
+ * to play some minor tricks. Right inside the type 5 is some
+ * raw data, followed by a series of TLVs.
+ *
+ */
+ hdrlen = 2+8+16+6+4+4+strlen(msg)+4+2+1+strlen(roomname)+2;
+ hdr = g_malloc(hdrlen);
+ aim_bstream_init(&hdrbs, hdr, hdrlen);
+
+ aimbs_put16(&hdrbs, 0x0000); /* Unknown! */
+ aimbs_putraw(&hdrbs, ckstr, sizeof(ckstr)); /* I think... */
+ aim_putcap(&hdrbs, AIM_CAPS_CHAT);
+
+ aim_addtlvtochain16(&itl, 0x000a, 0x0001);
+ aim_addtlvtochain_noval(&itl, 0x000f);
+ aim_addtlvtochain_raw(&itl, 0x000c, strlen(msg), (guint8 *)msg);
+ aim_addtlvtochain_chatroom(&itl, 0x2711, exchange, roomname, instance);
+ aim_writetlvchain(&hdrbs, &itl);
+
+ aim_addtlvtochain_raw(&otl, 0x0005, aim_bstream_curpos(&hdrbs), hdr);
+
+ aim_writetlvchain(&fr->data, &otl);
+
+ g_free(hdr);
+ aim_freetlvchain(&itl);
+ aim_freetlvchain(&otl);
+
+ aim_tx_enqueue(sess, fr);
+
+ return 0;
+}
+
+/*
+ * 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(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
+{
+ aim_userinfo_t *userinfo = NULL;
+ aim_rxcallback_t userfunc;
+ int ret = 0;
+ int usercount = 0;
+ guint8 detaillevel = 0;
+ char *roomname = NULL;
+ struct aim_chat_roominfo roominfo;
+ guint16 tlvcount = 0;
+ aim_tlvlist_t *tlvlist;
+ char *roomdesc = NULL;
+ guint16 flags = 0;
+ guint32 creationtime = 0;
+ guint16 maxmsglen = 0, maxvisiblemsglen = 0;
+ guint16 unknown_d2 = 0, unknown_d5 = 0;
+
+ aim_chat_readroominfo(bs, &roominfo);
+
+ detaillevel = aimbs_get8(bs);
+
+ if (detaillevel != 0x02) {
+ imcb_error(sess->aux_data, "Only detaillevel 0x2 is support at the moment");
+ return 1;
+ }
+
+ tlvcount = aimbs_get16(bs);
+
+ /*
+ * Everything else are TLVs.
+ */
+ tlvlist = aim_readtlvchain(bs);
+
+ /*
+ * 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;
+ aim_tlv_t *tmptlv;
+ aim_bstream_t occbs;
+
+ tmptlv = aim_gettlv(tlvlist, 0x0073, 1);
+
+ /* Allocate enough userinfo structs for all occupants */
+ userinfo = g_new0(aim_userinfo_t, usercount);
+
+ aim_bstream_init(&occbs, tmptlv->value, tmptlv->length);
+
+ while (curoccupant < usercount)
+ aim_extractuserinfo(sess, &occbs, &userinfo[curoccupant++]);
+ }
+
+ /*
+ * Type 0x00c9: Flags. (AIM_CHATROOM_FLAG)
+ */
+ if (aim_gettlv(tlvlist, 0x00c9, 1))
+ flags = 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,
+ flags,
+ creationtime,
+ maxmsglen,
+ unknown_d2,
+ unknown_d5,
+ maxvisiblemsglen);
+ }
+
+ g_free(roominfo.name);
+ g_free(userinfo);
+ g_free(roomname);
+ g_free(roomdesc);
+ aim_freetlvchain(&tlvlist);
+
+ return ret;
+}
+
+static int userlistchange(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
+{
+ aim_userinfo_t *userinfo = NULL;
+ aim_rxcallback_t userfunc;
+ int curcount = 0, ret = 0;
+
+ while (aim_bstream_empty(bs)) {
+ curcount++;
+ userinfo = g_realloc(userinfo, curcount * sizeof(aim_userinfo_t));
+ aim_extractuserinfo(sess, bs, &userinfo[curcount-1]);
+ }
+
+ if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
+ ret = userfunc(sess, rx, curcount, userinfo);
+
+ g_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(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
+{
+ aim_userinfo_t userinfo;
+ aim_rxcallback_t userfunc;
+ int ret = 0;
+ guint8 *cookie;
+ guint16 channel;
+ aim_tlvlist_t *otl;
+ char *msg = NULL;
+ aim_msgcookie_t *ck;
+
+ memset(&userinfo, 0, sizeof(aim_userinfo_t));
+
+ /*
+ * ICBM Cookie. Uncache it.
+ */
+ cookie = aimbs_getraw(bs, 8);
+
+ if ((ck = aim_uncachecookie(sess, cookie, AIM_COOKIETYPE_CHAT))) {
+ g_free(ck->data);
+ g_free(ck);
+ }
+
+ /*
+ * Channel ID
+ *
+ * Channels 1 and 2 are implemented in the normal ICBM
+ * parser.
+ *
+ * We only do channel 3 here.
+ *
+ */
+ channel = aimbs_get16(bs);
+
+ if (channel != 0x0003) {
+ imcb_error(sess->aux_data, "unknown channel!");
+ return 0;
+ }
+
+ /*
+ * Start parsing TLVs right away.
+ */
+ otl = aim_readtlvchain(bs);
+
+ /*
+ * Type 0x0003: Source User Information
+ */
+ if (aim_gettlv(otl, 0x0003, 1)) {
+ aim_tlv_t *userinfotlv;
+ aim_bstream_t tbs;
+
+ userinfotlv = aim_gettlv(otl, 0x0003, 1);
+
+ aim_bstream_init(&tbs, userinfotlv->value, userinfotlv->length);
+ aim_extractuserinfo(sess, &tbs, &userinfo);
+ }
+
+ /*
+ * Type 0x0001: If present, it means it was a message to the
+ * room (as opposed to a whisper).
+ */
+ if (aim_gettlv(otl, 0x0001, 1))
+ ;
+
+ /*
+ * Type 0x0005: Message Block. Conains more TLVs.
+ */
+ if (aim_gettlv(otl, 0x0005, 1)) {
+ aim_tlvlist_t *itl;
+ aim_tlv_t *msgblock;
+ aim_bstream_t tbs;
+
+ msgblock = aim_gettlv(otl, 0x0005, 1);
+ aim_bstream_init(&tbs, msgblock->value, msgblock->length);
+ itl = aim_readtlvchain(&tbs);
+
+ /*
+ * Type 0x0001: Message.
+ */
+ if (aim_gettlv(itl, 0x0001, 1))
+ msg = aim_gettlv_str(itl, 0x0001, 1);
+
+ aim_freetlvchain(&itl);
+ }
+
+ if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
+ ret = userfunc(sess, rx, &userinfo, msg);
+
+ g_free(cookie);
+ g_free(msg);
+ aim_freetlvchain(&otl);
+
+ return ret;
+}
+
+static int snachandler(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
+{
+
+ if (snac->subtype == 0x0002)
+ return infoupdate(sess, mod, rx, snac, bs);
+ else if ((snac->subtype == 0x0003) || (snac->subtype == 0x0004))
+ return userlistchange(sess, mod, rx, snac, bs);
+ else if (snac->subtype == 0x0006)
+ return incomingmsg(sess, mod, rx, snac, bs);
+
+ return 0;
+}
+
+int chat_modfirst(aim_session_t *sess, aim_module_t *mod)
+{
+
+ mod->family = 0x000e;
+ mod->version = 0x0001;
+ mod->toolid = 0x0010;
+ mod->toolversion = 0x0629;
+ mod->flags = 0;
+ strncpy(mod->name, "chat", sizeof(mod->name));
+ mod->snachandler = snachandler;
+
+ return 0;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 10:58:07 +0000