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-rw-r--r--Changelog-Trunk.txt1
-rw-r--r--src/map/npc.c10
2 files changed, 9 insertions, 2 deletions
diff --git a/Changelog-Trunk.txt b/Changelog-Trunk.txt
index 3f595f1c5..21f369862 100644
--- a/Changelog-Trunk.txt
+++ b/Changelog-Trunk.txt
@@ -1,6 +1,7 @@
Date Added
2010/12/22
+ * NPC shop buy list received from the client is now validated for scripted shops (OnBuyItem), before the control is transfered to the script, as well (bugreport:3680, since r5841, related r8525). [Ai4rei]
* Resolved random compiler warnings. [Ai4rei]
- Silenced pointer size mismatch gcc warning for variables passed to script_setarray_pc (bugreport:4661, since r14613).
* Fixed sql mapreg loading code specifying output buffer size for SqlStmt_BindColumn without zero-terminator, leading to truncations of variable names and/or their values when using the maximum length (bugreport:1939, since r11245). [Ai4rei]
diff --git a/src/map/npc.c b/src/map/npc.c
index 545ec9add..ca49c084f 100644
--- a/src/map/npc.c
+++ b/src/map/npc.c
@@ -1261,8 +1261,6 @@ int npc_buylist(struct map_session_data* sd, int n, unsigned short* item_list)
nd = npc_checknear(sd,map_id2bl(sd->npc_shopid));
if( nd == NULL )
return 3;
- if( nd->master_nd != NULL ) //Script-based shops.
- return npc_buylist_sub(sd,n,item_list,nd->master_nd);
if( nd->subtype != SHOP )
return 3;
@@ -1297,6 +1295,11 @@ int npc_buylist(struct map_session_data* sd, int n, unsigned short* item_list)
amount = item_list[i*2+0] = 1;
}
+ if( nd->master_nd )
+ {// Script-controlled shops decide by themselves, what can be bought and for what price.
+ continue;
+ }
+
switch( pc_checkadditem(sd,nameid,amount) )
{
case ADDITEM_EXIST:
@@ -1316,6 +1319,9 @@ int npc_buylist(struct map_session_data* sd, int n, unsigned short* item_list)
w += itemdb_weight(nameid) * amount;
}
+ if( nd->master_nd != NULL ) //Script-based shops.
+ return npc_buylist_sub(sd,n,item_list,nd->master_nd);
+
if( z > (double)sd->status.zeny )
return 1; // Not enough Zeny
if( w + sd->weight > sd->max_weight )