Buying cash shop items doesn't work

diff -rub --strip-trailing-cr old/clif.c new/clif.c
--- old/clif.c    2011-04-26 13:23:47.138792400 +0400
+++ new/clif.c    2011-04-26 18:46:04.730839400 +0400
@@ -13259,18 +13259,42 @@

void clif_parse_cashshop_buy(int fd, struct map_session_data *sd)
{
-    int fail = 0, amount, points;
-    short nameid;
+    int fail;
+    short cmd;
    nullpo_retv(sd);

-    nameid = RFIFOW(fd,2);
-    amount = RFIFOW(fd,4);
-    points = RFIFOL(fd,6); // Not Implemented. Should be 0
+    if(sd->state.trading || !sd->npc_shopid) {
+        clif_cashshop_ack(sd, 1);
+        return;
+    }
+
+    cmd = RFIFOW(fd, 0);
+
+    if(sd->packet_ver > 25) {
+        uint16 len = RFIFOW(fd, 2), count, *p;
+        int points;
+
+        if(len < 10 || len != 10 + (count = RFIFOW(fd, packet_db[sd->packet_ver][cmd].pos[1])) * 4) {
+            ShowWarning("Player %u sent incorrect cash shop buy packet(len %u:%u)!\n", sd->status.char_id, len, 10 + count * 4); // [Randajad]
+            return;
+        }
+
+        p = RFIFOP(fd, 10);
+        points = RFIFOL(fd, packet_db[sd->packet_ver][cmd].pos[0]); // Not Implemented. Should be 0
+
+        while(count--) {
+            if((fail = npc_cashshop_buy(sd, p[1], p[0], points)) != 0)
+                break;
+            p += 2;
+        }
+
+    } else {
+        short nameid = RFIFOW(fd, packet_db[sd->packet_ver][cmd].pos[0]);
+        short amount = RFIFOW(fd, packet_db[sd->packet_ver][cmd].pos[1]);
+        int points = RFIFOL(fd, packet_db[sd->packet_ver][cmd].pos[2]); // Not Implemented. Should be 0

-    if( sd->state.trading || !sd->npc_shopid )
-        fail = 1;
-    else
        fail = npc_cashshop_buy(sd, nameid, amount, points);
+    }

    clif_cashshop_ack(sd, fail);
}
diff -rub --strip-trailing-cr old/packet_db.txt new/packet_db.txt
--- old/packet_db.txt    2011-04-26 13:23:46.860776500 +0400
+++ new/packet_db.txt    2011-04-26 17:30:07.584185500 +0400
@@ -1603,6 +1603,7 @@
0x0856,-1
0x0857,-1
0x0858,-1
+0x0288,-1,cashshopbuy,4:8

//Add new packets here
//packet_ver: 27