1 files changed, 150 insertions, 0 deletions
diff --git a/protocols/oscar/buddylist.c b/protocols/oscar/buddylist.c
new file mode 100644
index 00000000..a7b461f2
--- /dev/null
+++ b/protocols/oscar/buddylist.c
@@ -0,0 +1,150 @@
+#include <aim.h>
+#include "buddylist.h"
+
+/*
+ * Oncoming Buddy notifications contain a subset of the
+ * user information structure.  Its close enough to run
+ * through aim_extractuserinfo() however.
+ *
+ * Although the offgoing notification contains no information,
+ * it is still in a format parsable by extractuserinfo.
+ *
+ */
+static int buddychange(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;
+
+	aim_extractuserinfo(sess, bs, &userinfo);
+
+	if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
+		return userfunc(sess, rx, &userinfo);
+
+	return 0;
+}
+
+static int rights(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
+{
+	aim_rxcallback_t userfunc;
+	aim_tlvlist_t *tlvlist;
+	guint16 maxbuddies = 0, maxwatchers = 0;
+	int ret = 0;
+
+	/* 
+	 * TLVs follow 
+	 */
+	tlvlist = aim_readtlvchain(bs);
+
+	/*
+	 * TLV type 0x0001: Maximum number of buddies.
+	 */
+	if (aim_gettlv(tlvlist, 0x0001, 1))
+		maxbuddies = aim_gettlv16(tlvlist, 0x0001, 1);
+
+	/*
+	 * TLV type 0x0002: Maximum number of watchers.
+	 *
+	 * Watchers are other users who have you on their buddy
+	 * list.  (This is called the "reverse list" by a certain
+	 * other IM protocol.)
+	 * 
+	 */
+	if (aim_gettlv(tlvlist, 0x0002, 1))
+		maxwatchers = aim_gettlv16(tlvlist, 0x0002, 1);
+
+	/*
+	 * TLV type 0x0003: Unknown.
+	 *
+	 * ICQ only?
+	 */
+
+	if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
+		ret = userfunc(sess, rx, maxbuddies, maxwatchers);
+
+	aim_freetlvchain(&tlvlist);
+
+	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 rights(sess, mod, rx, snac, bs);
+	else if ((snac->subtype == 0x000b) || (snac->subtype == 0x000c))
+		return buddychange(sess, mod, rx, snac, bs);
+
+	return 0;
+}
+
+int buddylist_modfirst(aim_session_t *sess, aim_module_t *mod)
+{
+
+	mod->family = 0x0003;
+	mod->version = 0x0001;
+	mod->toolid = 0x0110;
+	mod->toolversion = 0x0629;
+	mod->flags = 0;
+	strncpy(mod->name, "buddylist", sizeof(mod->name));
+	mod->snachandler = snachandler;
+
+	return 0;
+}
+
+/*
+ * aim_add_buddy()
+ *
+ * Adds a single buddy to your buddy list after login.
+ *
+ * XXX this should just be an extension of setbuddylist()
+ *
+ */
+int aim_add_buddy(aim_session_t *sess, aim_conn_t *conn, const char *sn)
+{
+	aim_frame_t *fr;
+	aim_snacid_t snacid;
+
+	if (!sn || !strlen(sn))
+		return -EINVAL;
+
+	if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 10+1+strlen(sn))))
+		return -ENOMEM;
+
+	snacid = aim_cachesnac(sess, 0x0003, 0x0004, 0x0000, sn, strlen(sn)+1);
+	aim_putsnac(&fr->data, 0x0003, 0x0004, 0x0000, snacid);
+
+	aimbs_put8(&fr->data, strlen(sn));
+	aimbs_putraw(&fr->data, (guint8 *)sn, strlen(sn));
+
+	aim_tx_enqueue(sess, fr);
+
+	return 0;
+}
+
+/*
+ * XXX generalise to support removing multiple buddies (basically, its
+ * the same as setbuddylist() but with a different snac subtype).
+ *
+ */
+int aim_remove_buddy(aim_session_t *sess, aim_conn_t *conn, const char *sn)
+{
+	aim_frame_t *fr;
+	aim_snacid_t snacid;
+
+	if (!sn || !strlen(sn))
+		return -EINVAL;
+
+	if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 10+1+strlen(sn))))
+		return -ENOMEM;
+
+	snacid = aim_cachesnac(sess, 0x0003, 0x0005, 0x0000, sn, strlen(sn)+1);
+	aim_putsnac(&fr->data, 0x0003, 0x0005, 0x0000, snacid);
+
+	aimbs_put8(&fr->data, strlen(sn));
+	aimbs_putraw(&fr->data, (guint8 *)sn, strlen(sn));
+
+	aim_tx_enqueue(sess, fr);
+
+	return 0;
+}
+