--- a/src/protocols/oscar/service.c Sat Feb 11 19:16:38 2006 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,1126 +0,0 @@
-/*
- * Family 0x0001 - This is a very special group. All connections support
- * this group, as it does some particularly good things (like rate limiting).
- */
-
-#define FAIM_INTERNAL
-#define FAIM_NEED_CONN_INTERNAL
-#include "aim.h"
-
-#include "cipher.h"
-
-/* Subtype 0x0002 - Client Online */
-faim_export int aim_clientready(aim_session_t *sess, aim_conn_t *conn)
-{
- aim_conn_inside_t *ins = (aim_conn_inside_t *)conn->inside;
- struct snacgroup *sg;
- aim_frame_t *fr;
- aim_snacid_t snacid;
-
- if (!ins)
- return -EINVAL;
-
- if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 1152)))
- return -ENOMEM;
-
- snacid = aim_cachesnac(sess, 0x0001, 0x0002, 0x0000, NULL, 0);
- aim_putsnac(&fr->data, 0x0001, 0x0002, 0x0000, snacid);
-
- /*
- * Send only the tool versions that the server cares about (that it
- * marked as supporting in the server ready SNAC).
- */
- for (sg = ins->groups; sg; sg = sg->next) {
- aim_module_t *mod;
-
- if ((mod = aim__findmodulebygroup(sess, sg->group))) {
- aimbs_put16(&fr->data, mod->family);
- aimbs_put16(&fr->data, mod->version);
- aimbs_put16(&fr->data, mod->toolid);
- aimbs_put16(&fr->data, mod->toolversion);
- } else
- gaim_debug_misc("oscar", "aim_clientready: server supports group 0x%04x but we don't!\n", sg->group);
- }
-
- aim_tx_enqueue(sess, fr);
-
- return 0;
-}
-
-/*
- * Subtype 0x0003 - Host Online
- *
- * See comments in conn.c about how the group associations are supposed
- * to work, and how they really work.
- *
- * This info probably doesn't even need to make it to the client.
- *
- * We don't actually call the client here. This starts off the connection
- * initialization routine required by all AIM connections. The next time
- * the client is called is the CONNINITDONE callback, which should be
- * shortly after the rate information is acknowledged.
- *
- */
-static int hostonline(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
-{
- fu16_t *families;
- int famcount;
-
-
- if (!(families = malloc(aim_bstream_empty(bs))))
- return 0;
-
- for (famcount = 0; aim_bstream_empty(bs); famcount++) {
- families[famcount] = aimbs_get16(bs);
- aim_conn_addgroup(rx->conn, families[famcount]);
- }
-
- free(families);
-
-
- /*
- * Next step is in the Host Versions handler.
- *
- * Note that we must send this before we request rates, since
- * the format of the rate information depends on the versions we
- * give it.
- *
- */
- aim_setversions(sess, rx->conn);
-
- return 1;
-}
-
-/* Subtype 0x0004 - Service request */
-faim_export int aim_reqservice(aim_session_t *sess, aim_conn_t *conn, fu16_t serviceid)
-{
- return aim_genericreq_s(sess, conn, 0x0001, 0x0004, &serviceid);
-}
-
-/*
- * 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.
- */
-faim_export int aim_chat_join(aim_session_t *sess, aim_conn_t *conn, fu16_t exchange, const char *roomname, fu16_t 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_tlvlist_add_chatroom(&tl, 0x0001, exchange, roomname, instance);
- aim_tlvlist_write(&fr->data, &tl);
- aim_tlvlist_free(&tl);
-
- aim_tx_enqueue(sess, fr);
-
- return 0;
-}
-
-/* Subtype 0x0005 - Redirect */
-static int redirect(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
-{
- struct aim_redirect_data redir;
- aim_rxcallback_t userfunc;
- aim_tlvlist_t *tlvlist;
- aim_snac_t *origsnac = NULL;
- int ret = 0;
-
- memset(&redir, 0, sizeof(redir));
-
- tlvlist = aim_tlvlist_read(bs);
-
- if (!aim_tlv_gettlv(tlvlist, 0x000d, 1) ||
- !aim_tlv_gettlv(tlvlist, 0x0005, 1) ||
- !aim_tlv_gettlv(tlvlist, 0x0006, 1)) {
- aim_tlvlist_free(&tlvlist);
- return 0;
- }
-
- redir.group = aim_tlv_get16(tlvlist, 0x000d, 1);
- redir.ip = aim_tlv_getstr(tlvlist, 0x0005, 1);
- redir.cookielen = aim_tlv_gettlv(tlvlist, 0x0006, 1)->length;
- redir.cookie = (guchar *)aim_tlv_getstr(tlvlist, 0x0006, 1);
-
- /* Fetch original SNAC so we can get csi if needed */
- origsnac = aim_remsnac(sess, snac->id);
-
- if ((redir.group == AIM_CONN_TYPE_CHAT) && origsnac) {
- struct chatsnacinfo *csi = (struct chatsnacinfo *)origsnac->data;
-
- redir.chat.exchange = csi->exchange;
- redir.chat.room = csi->name;
- redir.chat.instance = csi->instance;
- }
-
- if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
- ret = userfunc(sess, rx, &redir);
-
- free((void *)redir.ip);
- free((void *)redir.cookie);
-
- if (origsnac)
- free(origsnac->data);
- free(origsnac);
-
- aim_tlvlist_free(&tlvlist);
-
- return ret;
-}
-
-/* Subtype 0x0006 - Request Rate Information. */
-faim_internal int aim_reqrates(aim_session_t *sess, aim_conn_t *conn)
-{
- return aim_genericreq_n_snacid(sess, conn, 0x0001, 0x0006);
-}
-
-/*
- * OSCAR defines several 'rate classes'. Each class has separate
- * rate limiting properties (limit level, alert level, disconnect
- * level, etc), and a set of SNAC family/type pairs associated with
- * it. The rate classes, their limiting properties, and the definitions
- * of which SNACs are belong to which class, are defined in the
- * Rate Response packet at login to each host.
- *
- * Logically, all rate offenses within one class count against further
- * offenses for other SNACs in the same class (ie, sending messages
- * too fast will limit the number of user info requests you can send,
- * since those two SNACs are in the same rate class).
- *
- * Since the rate classes are defined dynamically at login, the values
- * below may change. But they seem to be fairly constant.
- *
- * Currently, BOS defines five rate classes, with the commonly used
- * members as follows...
- *
- * Rate class 0x0001:
- * - Everything thats not in any of the other classes
- *
- * Rate class 0x0002:
- * - Buddy list add/remove
- * - Permit list add/remove
- * - Deny list add/remove
- *
- * Rate class 0x0003:
- * - User information requests
- * - Outgoing ICBMs
- *
- * Rate class 0x0004:
- * - A few unknowns: 2/9, 2/b, and f/2
- *
- * Rate class 0x0005:
- * - Chat room create
- * - Outgoing chat ICBMs
- *
- * The only other thing of note is that class 5 (chat) has slightly looser
- * limiting properties than class 3 (normal messages). But thats just a
- * small bit of trivia for you.
- *
- * The last thing that needs to be learned about the rate limiting
- * system is how the actual numbers relate to the passing of time. This
- * seems to be a big mystery.
- *
- */
-
-static void rc_addclass(struct rateclass **head, struct rateclass *inrc)
-{
- struct rateclass *rc, *rc2;
-
- if (!(rc = malloc(sizeof(struct rateclass))))
- return;
-
- memcpy(rc, inrc, sizeof(struct rateclass));
- rc->next = NULL;
-
- for (rc2 = *head; rc2 && rc2->next; rc2 = rc2->next)
- ;
-
- if (!rc2)
- *head = rc;
- else
- rc2->next = rc;
-
- return;
-}
-
-static struct rateclass *rc_findclass(struct rateclass **head, fu16_t id)
-{
- struct rateclass *rc;
-
- for (rc = *head; rc; rc = rc->next) {
- if (rc->classid == id)
- return rc;
- }
-
- return NULL;
-}
-
-static void rc_addpair(struct rateclass *rc, fu16_t group, fu16_t type)
-{
- struct snacpair *sp, *sp2;
-
- if (!(sp = malloc(sizeof(struct snacpair))))
- return;
- memset(sp, 0, sizeof(struct snacpair));
-
- sp->group = group;
- sp->subtype = type;
- sp->next = NULL;
-
- for (sp2 = rc->members; sp2 && sp2->next; sp2 = sp2->next)
- ;
-
- if (!sp2)
- rc->members = sp;
- else
- sp2->next = sp;
-
- return;
-}
-
-/* Subtype 0x0007 - Rate Parameters */
-static int rateresp(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
-{
- aim_conn_inside_t *ins = (aim_conn_inside_t *)rx->conn->inside;
- fu16_t numclasses, i;
- aim_rxcallback_t userfunc;
-
-
- /*
- * First are the parameters for each rate class.
- */
- numclasses = aimbs_get16(bs);
- for (i = 0; i < numclasses; i++) {
- struct rateclass rc;
-
- memset(&rc, 0, sizeof(struct rateclass));
-
- rc.classid = aimbs_get16(bs);
- rc.windowsize = aimbs_get32(bs);
- rc.clear = aimbs_get32(bs);
- rc.alert = aimbs_get32(bs);
- rc.limit = aimbs_get32(bs);
- rc.disconnect = aimbs_get32(bs);
- rc.current = aimbs_get32(bs);
- rc.max = aimbs_get32(bs);
-
- /*
- * The server will send an extra five bytes of parameters
- * depending on the version we advertised in 1/17. If we
- * didn't send 1/17 (evil!), then this will crash and you
- * die, as it will default to the old version but we have
- * the new version hardcoded here.
- */
- if (mod->version >= 3)
- aimbs_getrawbuf(bs, rc.unknown, sizeof(rc.unknown));
-
- gaim_debug_misc("oscar", "--- Adding rate class %d to connection type %d: window size = %ld, clear = %ld, alert = %ld, limit = %ld, disconnect = %ld, current = %ld, max = %ld\n", rx->conn->type, rc.classid, rc.windowsize, rc.clear, rc.alert, rc.limit, rc.disconnect, rc.current, rc.max);
-
- rc_addclass(&ins->rates, &rc);
- }
-
- /*
- * Then the members of each class.
- */
- for (i = 0; i < numclasses; i++) {
- fu16_t classid, count;
- struct rateclass *rc;
- int j;
-
- classid = aimbs_get16(bs);
- count = aimbs_get16(bs);
-
- rc = rc_findclass(&ins->rates, classid);
-
- for (j = 0; j < count; j++) {
- fu16_t group, subtype;
-
- group = aimbs_get16(bs);
- subtype = aimbs_get16(bs);
-
- if (rc)
- rc_addpair(rc, group, subtype);
- }
- }
-
- /*
- * We don't pass the rate information up to the client, as it really
- * doesn't care. The information is stored in the connection, however
- * so that we can do more fun stuff later (not really).
- */
-
- /*
- * Last step in the conn init procedure is to acknowledge that we
- * agree to these draconian limitations.
- */
- aim_rates_addparam(sess, rx->conn);
-
- /*
- * Finally, tell the client it's ready to go...
- */
- if ((userfunc = aim_callhandler(sess, rx->conn, AIM_CB_FAM_SPECIAL, AIM_CB_SPECIAL_CONNINITDONE)))
- userfunc(sess, rx);
-
-
- return 1;
-}
-
-/* Subtype 0x0008 - Add Rate Parameter */
-faim_internal int aim_rates_addparam(aim_session_t *sess, aim_conn_t *conn)
-{
- aim_conn_inside_t *ins = (aim_conn_inside_t *)conn->inside;
- aim_frame_t *fr;
- aim_snacid_t snacid;
- struct rateclass *rc;
-
- if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 512)))
- return -ENOMEM;
-
- snacid = aim_cachesnac(sess, 0x0001, 0x0008, 0x0000, NULL, 0);
- aim_putsnac(&fr->data, 0x0001, 0x0008, 0x0000, snacid);
-
- for (rc = ins->rates; rc; rc = rc->next)
- aimbs_put16(&fr->data, rc->classid);
-
- aim_tx_enqueue(sess, fr);
-
- return 0;
-}
-
-/* Subtype 0x0009 - Delete Rate Parameter */
-faim_internal int aim_rates_delparam(aim_session_t *sess, aim_conn_t *conn)
-{
- aim_conn_inside_t *ins = (aim_conn_inside_t *)conn->inside;
- aim_frame_t *fr;
- aim_snacid_t snacid;
- struct rateclass *rc;
-
- if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 512)))
- return -ENOMEM;
-
- snacid = aim_cachesnac(sess, 0x0001, 0x0009, 0x0000, NULL, 0);
- aim_putsnac(&fr->data, 0x0001, 0x0009, 0x0000, snacid);
-
- for (rc = ins->rates; rc; rc = rc->next)
- aimbs_put16(&fr->data, rc->classid);
-
- aim_tx_enqueue(sess, fr);
-
- return 0;
-}
-
-/* Subtype 0x000a - Rate Change */
-static int ratechange(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
-{
- int ret = 0;
- aim_rxcallback_t userfunc;
- fu16_t code, rateclass;
- fu32_t currentavg, maxavg, windowsize, clear, alert, limit, disconnect;
-
- code = aimbs_get16(bs);
- rateclass = aimbs_get16(bs);
-
- windowsize = aimbs_get32(bs);
- clear = aimbs_get32(bs);
- alert = aimbs_get32(bs);
- limit = aimbs_get32(bs);
- disconnect = aimbs_get32(bs);
- currentavg = aimbs_get32(bs);
- maxavg = aimbs_get32(bs);
-
- if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
- ret = userfunc(sess, rx, code, rateclass, windowsize, clear, alert, limit, disconnect, currentavg, maxavg);
-
- return ret;
-}
-
-/*
- * How Migrations work.
- *
- * The server sends a Server Pause message, which the client should respond to
- * with a Server Pause Ack, which contains the families it needs on this
- * connection. The server will send a Migration Notice with an IP address, and
- * then disconnect. Next the client should open the connection and send the
- * cookie. Repeat the normal login process and pretend this never happened.
- *
- * The Server Pause contains no data.
- *
- */
-
-/* Subtype 0x000b - Service Pause */
-static int serverpause(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
-{
- int ret = 0;
- aim_rxcallback_t userfunc;
-
- if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
- ret = userfunc(sess, rx);
-
- return ret;
-}
-
-/*
- * Subtype 0x000c - Service Pause Acknowledgement
- *
- * It is rather important that aim_sendpauseack() gets called for the exact
- * same connection that the Server Pause callback was called for, since
- * libfaim extracts the data for the SNAC from the connection structure.
- *
- * Of course, if you don't do that, more bad things happen than just what
- * libfaim can cause.
- *
- */
-faim_export int aim_sendpauseack(aim_session_t *sess, aim_conn_t *conn)
-{
- aim_frame_t *fr;
- aim_snacid_t snacid;
- aim_conn_inside_t *ins = (aim_conn_inside_t *)conn->inside;
- struct snacgroup *sg;
-
- if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 1024)))
- return -ENOMEM;
-
- snacid = aim_cachesnac(sess, 0x0001, 0x000c, 0x0000, NULL, 0);
- aim_putsnac(&fr->data, 0x0001, 0x000c, 0x0000, snacid);
-
- /*
- * This list should have all the groups that the original
- * Host Online / Server Ready said this host supports. And
- * we want them all back after the migration.
- */
- for (sg = ins->groups; sg; sg = sg->next)
- aimbs_put16(&fr->data, sg->group);
-
- aim_tx_enqueue(sess, fr);
-
- return 0;
-}
-
-/* Subtype 0x000d - Service Resume */
-static int serverresume(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
-{
- int ret = 0;
- aim_rxcallback_t userfunc;
-
- if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
- ret = userfunc(sess, rx);
-
- return ret;
-}
-
-/* Subtype 0x000e - Request self-info */
-faim_export int aim_reqpersonalinfo(aim_session_t *sess, aim_conn_t *conn)
-{
- return aim_genericreq_n_snacid(sess, conn, 0x0001, 0x000e);
-}
-
-/* Subtype 0x000f - Self User Info */
-static int selfinfo(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
-{
- int ret = 0;
- aim_rxcallback_t userfunc;
- aim_userinfo_t userinfo;
-
- aim_info_extract(sess, bs, &userinfo);
-
- if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
- ret = userfunc(sess, rx, &userinfo);
-
- aim_info_free(&userinfo);
-
- return ret;
-}
-
-/* Subtype 0x0010 - Evil Notification */
-static int evilnotify(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
-{
- int ret = 0;
- aim_rxcallback_t userfunc;
- fu16_t newevil;
- aim_userinfo_t userinfo;
-
- memset(&userinfo, 0, sizeof(aim_userinfo_t));
-
- newevil = aimbs_get16(bs);
-
- if (aim_bstream_empty(bs))
- aim_info_extract(sess, bs, &userinfo);
-
- if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
- ret = userfunc(sess, rx, newevil, &userinfo);
-
- aim_info_free(&userinfo);
-
- return ret;
-}
-
-/*
- * Subtype 0x0011 - Idle Notification
- *
- * Should set your current idle time in seconds. Note that this should
- * never be called consecutively with a non-zero idle time. That makes
- * OSCAR do funny things. Instead, just set it once you go idle, and then
- * call it again with zero when you're back.
- *
- */
-faim_export int aim_srv_setidle(aim_session_t *sess, fu32_t idletime)
-{
- aim_conn_t *conn;
-
- if (!sess || !(conn = aim_conn_findbygroup(sess, AIM_CB_FAM_BOS)))
- return -EINVAL;
-
- return aim_genericreq_l(sess, conn, 0x0001, 0x0011, &idletime);
-}
-
-/*
- * Subtype 0x0012 - Service Migrate
- *
- * This is the final SNAC sent on the original connection during a migration.
- * It contains the IP and cookie used to connect to the new server, and
- * optionally a list of the SNAC groups being migrated.
- *
- */
-static int migrate(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
-{
- aim_rxcallback_t userfunc;
- int ret = 0;
- fu16_t groupcount, i;
- aim_tlvlist_t *tl;
- char *ip = NULL;
- aim_tlv_t *cktlv;
-
- /*
- * Apparently there's some fun stuff that can happen right here. The
- * migration can actually be quite selective about what groups it
- * moves to the new server. When not all the groups for a connection
- * are migrated, or they are all migrated but some groups are moved
- * to a different server than others, it is called a bifurcated
- * migration.
- *
- * Let's play dumb and not support that.
- *
- */
- groupcount = aimbs_get16(bs);
- for (i = 0; i < groupcount; i++) {
- fu16_t group;
-
- group = aimbs_get16(bs);
-
- gaim_debug_misc("oscar", "bifurcated migration unsupported -- group 0x%04x\n", group);
- }
-
- tl = aim_tlvlist_read(bs);
-
- if (aim_tlv_gettlv(tl, 0x0005, 1))
- ip = aim_tlv_getstr(tl, 0x0005, 1);
-
- cktlv = aim_tlv_gettlv(tl, 0x0006, 1);
-
- if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
- ret = userfunc(sess, rx, ip, cktlv ? cktlv->value : NULL);
-
- aim_tlvlist_free(&tl);
- free(ip);
-
- return ret;
-}
-
-/* Subtype 0x0013 - Message of the Day */
-static int motd(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
-{
- aim_rxcallback_t userfunc;
- char *msg = NULL;
- int ret = 0;
- aim_tlvlist_t *tlvlist;
- fu16_t id;
-
- /*
- * Code.
- *
- * Valid values:
- * 1 Mandatory upgrade
- * 2 Advisory upgrade
- * 3 System bulletin
- * 4 Nothing's wrong ("top o the world" -- normal)
- * 5 Lets-break-something.
- *
- */
- id = aimbs_get16(bs);
-
- /*
- * TLVs follow
- */
- tlvlist = aim_tlvlist_read(bs);
-
- msg = aim_tlv_getstr(tlvlist, 0x000b, 1);
-
- if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
- ret = userfunc(sess, rx, id, msg);
-
- free(msg);
-
- aim_tlvlist_free(&tlvlist);
-
- return ret;
-}
-
-/*
- * Subtype 0x0014 - Set privacy flags
- *
- * Normally 0x03.
- *
- * Bit 1: Allows other AIM users to see how long you've been idle.
- * Bit 2: Allows other AIM users to see how long you've been a member.
- *
- */
-faim_export int aim_bos_setprivacyflags(aim_session_t *sess, aim_conn_t *conn, fu32_t flags)
-{
- return aim_genericreq_l(sess, conn, 0x0001, 0x0014, &flags);
-}
-
-/*
- * Subtype 0x0016 - No-op
- *
- * WinAIM sends these every 4min or so to keep the connection alive. Its not
- * really necessary.
- *
- * Wha? No? Since when? I think WinAIM sends an empty channel 3
- * SNAC as a no-op...
- */
-faim_export int aim_nop(aim_session_t *sess, aim_conn_t *conn)
-{
- return aim_genericreq_n(sess, conn, 0x0001, 0x0016);
-}
-
-/*
- * Subtype 0x0017 - Set client versions
- *
- * If you've seen the clientonline/clientready SNAC you're probably
- * wondering what the point of this one is. And that point seems to be
- * that the versions in the client online SNAC are sent too late for the
- * server to be able to use them to change the protocol for the earlier
- * login packets (client versions are sent right after Host Online is
- * received, but client online versions aren't sent until quite a bit later).
- * We can see them already making use of this by changing the format of
- * the rate information based on what version of group 1 we advertise here.
- *
- */
-faim_internal int aim_setversions(aim_session_t *sess, aim_conn_t *conn)
-{
- aim_conn_inside_t *ins = (aim_conn_inside_t *)conn->inside;
- struct snacgroup *sg;
- aim_frame_t *fr;
- aim_snacid_t snacid;
-
- if (!ins)
- return -EINVAL;
-
- if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 1152)))
- return -ENOMEM;
-
- snacid = aim_cachesnac(sess, 0x0001, 0x0017, 0x0000, NULL, 0);
- aim_putsnac(&fr->data, 0x0001, 0x0017, 0x0000, snacid);
-
- /*
- * Send only the versions that the server cares about (that it
- * marked as supporting in the server ready SNAC).
- */
- for (sg = ins->groups; sg; sg = sg->next) {
- aim_module_t *mod;
-
- if ((mod = aim__findmodulebygroup(sess, sg->group))) {
- aimbs_put16(&fr->data, mod->family);
- aimbs_put16(&fr->data, mod->version);
- } else
- gaim_debug_misc("oscar", "aim_setversions: server supports group 0x%04x but we don't!\n", sg->group);
- }
-
- aim_tx_enqueue(sess, fr);
-
- return 0;
-}
-
-/* Subtype 0x0018 - Host versions */
-static int hostversions(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
-{
- int vercount;
- fu8_t *versions;
-
- /* This is frivolous. (Thank you SmarterChild.) */
- vercount = aim_bstream_empty(bs)/4;
- versions = aimbs_getraw(bs, aim_bstream_empty(bs));
- free(versions);
-
- /*
- * Now request rates.
- */
- aim_reqrates(sess, rx->conn);
-
- return 1;
-}
-
-/*
- * Subtype 0x001e - Set various account settings (mostly ICQ related).
- *
- * These settings are transient, not server-stored (i.e. they only
- * apply to this session, and must be re-set the next time you sign
- * on).
- *
- * You can set your ICQ status (available, away, do not disturb,
- * etc.), or whether your IP address should be hidden or not, or
- * if your status is visible on ICQ web sites, and you can set
- * your IP address info and what not.
- *
- * These are the same TLVs seen in user info. You can
- * also set 0x0008 and 0x000c.
- */
-faim_export int aim_setextstatus(aim_session_t *sess, fu32_t status)
-{
- aim_conn_t *conn;
- aim_frame_t *fr;
- aim_snacid_t snacid;
- aim_tlvlist_t *tl = NULL;
- fu32_t data;
-
- if (!sess || !(conn = aim_conn_findbygroup(sess, AIM_CB_FAM_MSG)))
- return -EINVAL;
-
- data = AIM_ICQ_STATE_HIDEIP | AIM_ICQ_STATE_DIRECTREQUIREAUTH | status;
-
- if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 10 + 8)))
- return -ENOMEM;
-
- snacid = aim_cachesnac(sess, 0x0001, 0x001e, 0x0000, NULL, 0);
- aim_putsnac(&fr->data, 0x0001, 0x001e, 0x0000, snacid);
-
- aim_tlvlist_add_32(&tl, 0x0006, data);
-#if 0
- aim_tlvlist_add_raw(&tl, 0x000c, 0x0025, chunk_of_x25_bytes_with_ip_address_etc);
- aim_tlvlist_add_raw(&tl, 0x0011, 0x0005, unknown 0x01 61 10 f6 41);
- aim_tlvlist_add_16(&tl, 0x0012, unknown 0x00 00);
-#endif
- aim_tlvlist_write(&fr->data, &tl);
- aim_tlvlist_free(&tl);
-
- aim_tx_enqueue(sess, fr);
-
- return 0;
-}
-
-/*
- * Subtype 0x001e - Extended Status.
- *
- * Sets your "available" message. This is currently only supported by iChat
- * and Gaim.
- *
- * These are the same TLVs seen in user info. You can
- * also set 0x0008 and 0x000c.
- */
-faim_export int aim_srv_setstatusmsg(aim_session_t *sess, const char *msg)
-{
- aim_conn_t *conn;
- aim_frame_t *fr;
- aim_snacid_t snacid;
-
- if (!sess || !(conn = aim_conn_findbygroup(sess, 0x0004)))
- return -EINVAL;
-
- if ((msg != NULL) && *msg != '\0') {
- if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 10 + 4 + strlen(msg) + 8)))
- return -ENOMEM;
-
- snacid = aim_cachesnac(sess, 0x0001, 0x001e, 0x0000, NULL, 0);
- aim_putsnac(&fr->data, 0x0001, 0x001e, 0x0000, snacid);
-
- aimbs_put16(&fr->data, 0x001d); /* userinfo TLV type */
- aimbs_put16(&fr->data, strlen(msg)+8); /* total length of userinfo TLV data */
- aimbs_put16(&fr->data, 0x0002);
- aimbs_put8(&fr->data, 0x04);
- aimbs_put8(&fr->data, strlen(msg)+4);
- aimbs_put16(&fr->data, strlen(msg));
- aimbs_putstr(&fr->data, msg);
- aimbs_put16(&fr->data, 0x0000);
- } else {
- if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 10 + 4 + 8)))
- return -ENOMEM;
-
- snacid = aim_cachesnac(sess, 0x0001, 0x001e, 0x0000, NULL, 0);
- aim_putsnac(&fr->data, 0x0001, 0x001e, 0x0000, snacid);
-
- aimbs_put16(&fr->data, 0x001d);
- aimbs_put16(&fr->data, 0x0008);
- aimbs_put16(&fr->data, 0x0002);
- aimbs_put16(&fr->data, 0x0404);
- aimbs_put16(&fr->data, 0x0000);
- aimbs_put16(&fr->data, 0x0000);
- }
-
- aim_tx_enqueue(sess, fr);
-
- return 0;
-}
-
-/*
- * Starting this past week (26 Mar 2001, say), AOL has started sending
- * this nice little extra SNAC. AFAIK, it has never been used until now.
- *
- * The request contains eight bytes. The first four are an offset, the
- * second four are a length.
- *
- * The offset is an offset into aim.exe when it is mapped during execution
- * on Win32. So far, AOL has only been requesting bytes in static regions
- * of memory. (I won't put it past them to start requesting data in
- * less static regions -- regions that are initialized at run time, but still
- * before the client receives this request.)
- *
- * When the client receives the request, it adds it to the current ds
- * (0x00400000) and dereferences it, copying the data into a buffer which
- * it then runs directly through the MD5 hasher. The 16 byte output of
- * the hash is then sent back to the server.
- *
- * If the client does not send any data back, or the data does not match
- * the data that the specific client should have, the client will get the
- * following message from "AOL Instant Messenger":
- * "You have been disconnected from the AOL Instant Message Service (SM)
- * for accessing the AOL network using unauthorized software. You can
- * download a FREE, fully featured, and authorized client, here
- * http://www.aol.com/aim/download2.html"
- * The connection is then closed, receiving disconnect code 1, URL
- * http://www.aim.aol.com/errors/USER_LOGGED_OFF_NEW_LOGIN.html.
- *
- * Note, however, that numerous inconsistencies can cause the above error,
- * not just sending back a bad hash. Do not immediatly suspect this code
- * if you get disconnected. AOL and the open/free software community have
- * played this game for a couple years now, generating the above message
- * on numerous ocassions.
- *
- * Anyway, neener. We win again.
- *
- */
-/* Subtype 0x001f - Client verification */
-static int memrequest(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
-{
- int ret = 0;
- aim_rxcallback_t userfunc;
- fu32_t offset, len;
- aim_tlvlist_t *list;
- char *modname;
-
- offset = aimbs_get32(bs);
- len = aimbs_get32(bs);
- list = aim_tlvlist_read(bs);
-
- modname = aim_tlv_getstr(list, 0x0001, 1);
-
- gaim_debug_info("oscar", "Got memory request for data at 0x%08lx (%d bytes) of requested %s\n", offset, len, modname ? modname : "aim.exe");
-
- if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
- ret = userfunc(sess, rx, offset, len, modname);
-
- free(modname);
- aim_tlvlist_free(&list);
-
- return ret;
-}
-
-/* Subtype 0x0020 - Client verification reply */
-faim_export int aim_sendmemblock(aim_session_t *sess, aim_conn_t *conn, fu32_t offset, fu32_t len, const fu8_t *buf, fu8_t flag)
-{
- aim_frame_t *fr;
- aim_snacid_t snacid;
-
- if (!sess || !conn)
- return -EINVAL;
-
- if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 10+2+16)))
- return -ENOMEM;
-
- snacid = aim_cachesnac(sess, 0x0001, 0x0020, 0x0000, NULL, 0);
-
- aim_putsnac(&fr->data, 0x0001, 0x0020, 0x0000, snacid);
- aimbs_put16(&fr->data, 0x0010); /* md5 is always 16 bytes */
-
- if ((flag == AIM_SENDMEMBLOCK_FLAG_ISHASH) && buf && (len == 0x10)) { /* we're getting a hash */
-
- aimbs_putraw(&fr->data, buf, 0x10);
-
- } else if (buf && (len > 0)) { /* use input buffer */
- GaimCipher *cipher;
- GaimCipherContext *context;
- guchar digest[16];
-
- cipher = gaim_ciphers_find_cipher("md5");
-
- context = gaim_cipher_context_new(cipher, NULL);
- gaim_cipher_context_append(context, buf, len);
- gaim_cipher_context_digest(context, 16, digest, NULL);
- gaim_cipher_context_destroy(context);
-
- aimbs_putraw(&fr->data, digest, 0x10);
-
- } else if (len == 0) { /* no length, just hash NULL (buf is optional) */
- GaimCipher *cipher;
- GaimCipherContext *context;
- guchar digest[16];
- fu8_t nil = '\0';
-
- /*
- * I'm not sure if we really need the empty append with the
- * new MD5 functions, so I'll leave it in, just in case.
- */
- cipher = gaim_ciphers_find_cipher("md5");
-
- context = gaim_cipher_context_new(cipher, NULL);
- gaim_cipher_context_append(context, &nil, 0);
- gaim_cipher_context_digest(context, 16, digest, NULL);
- gaim_cipher_context_destroy(context);
-
- aimbs_putraw(&fr->data, digest, 0x10);
-
- } else {
-
- /*
- * This data is correct for AIM 3.5.1670.
- *
- * Using these blocks is as close to "legal" as you can get
- * without using an AIM binary.
- *
- */
- if ((offset == 0x03ffffff) && (len == 0x03ffffff)) {
-
-#if 1 /* with "AnrbnrAqhfzcd" */
- aimbs_put32(&fr->data, 0x44a95d26);
- aimbs_put32(&fr->data, 0xd2490423);
- aimbs_put32(&fr->data, 0x93b8821f);
- aimbs_put32(&fr->data, 0x51c54b01);
-#else /* no filename */
- aimbs_put32(&fr->data, 0x1df8cbae);
- aimbs_put32(&fr->data, 0x5523b839);
- aimbs_put32(&fr->data, 0xa0e10db3);
- aimbs_put32(&fr->data, 0xa46d3b39);
-#endif
-
- } else if ((offset == 0x00001000) && (len == 0x00000000)) {
-
- aimbs_put32(&fr->data, 0xd41d8cd9);
- aimbs_put32(&fr->data, 0x8f00b204);
- aimbs_put32(&fr->data, 0xe9800998);
- aimbs_put32(&fr->data, 0xecf8427e);
-
- } else
- gaim_debug_warning("oscar", "sendmemblock: unknown hash request\n");
-
- }
-
- aim_tx_enqueue(sess, fr);
-
- return 0;
-}
-
-/*
- * Subtype 0x0021 - Receive our extended status
- *
- * This is used for iChat's "available" messages, and maybe ICQ extended
- * status messages? It's also used to tell the client whether or not it
- * needs to upload an SSI buddy icon... who engineers this stuff, anyway?
- */
-static int aim_parse_extstatus(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
-{
- int ret = 0;
- aim_rxcallback_t userfunc;
- fu16_t type;
- fu8_t flags, length;
-
- type = aimbs_get16(bs);
- flags = aimbs_get8(bs);
- length = aimbs_get8(bs);
-
- if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype))) {
- switch (type) {
- case 0x0000:
- case 0x0001: { /* buddy icon checksum */
- /* not sure what the difference between 1 and 0 is */
- fu8_t *md5 = aimbs_getraw(bs, length);
- ret = userfunc(sess, rx, type, flags, length, md5);
- free(md5);
- } break;
- case 0x0002: { /* available message */
- /* there is a second length that is just for the message */
- char *msg = aimbs_getstr(bs, aimbs_get16(bs));
- ret = userfunc(sess, rx, msg);
- free(msg);
- } break;
- }
- }
-
- 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 == 0x0003)
- return hostonline(sess, mod, rx, snac, bs);
- else if (snac->subtype == 0x0005)
- return redirect(sess, mod, rx, snac, bs);
- else if (snac->subtype == 0x0007)
- return rateresp(sess, mod, rx, snac, bs);
- else if (snac->subtype == 0x000a)
- return ratechange(sess, mod, rx, snac, bs);
- else if (snac->subtype == 0x000b)
- return serverpause(sess, mod, rx, snac, bs);
- else if (snac->subtype == 0x000d)
- return serverresume(sess, mod, rx, snac, bs);
- else if (snac->subtype == 0x000f)
- return selfinfo(sess, mod, rx, snac, bs);
- else if (snac->subtype == 0x0010)
- return evilnotify(sess, mod, rx, snac, bs);
- else if (snac->subtype == 0x0012)
- return migrate(sess, mod, rx, snac, bs);
- else if (snac->subtype == 0x0013)
- return motd(sess, mod, rx, snac, bs);
- else if (snac->subtype == 0x0018)
- return hostversions(sess, mod, rx, snac, bs);
- else if (snac->subtype == 0x001f)
- return memrequest(sess, mod, rx, snac, bs);
- else if (snac->subtype == 0x0021)
- return aim_parse_extstatus(sess, mod, rx, snac, bs);
-
- return 0;
-}
-
-faim_internal int service_modfirst(aim_session_t *sess, aim_module_t *mod)
-{
-
- mod->family = 0x0001;
- mod->version = 0x0003;
- mod->toolid = 0x0110;
- mod->toolversion = 0x0629;
- mod->flags = 0;
- strncpy(mod->name, "service", sizeof(mod->name));
- mod->snachandler = snachandler;
-
- return 0;
-}