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authorDarkvater <darkvater@openttd.org>2006-01-26 18:45:04 +0000
committerDarkvater <darkvater@openttd.org>2006-01-26 18:45:04 +0000
commit6fb36934a82842c7ea1334714c9f5a746c12a8ab (patch)
tree1bd0b35c99dd56e0451da08bc107dd46cc07328f /tree_cmd.c
parent663b1c6c008fa3168d6da0172008a688f13e74a1 (diff)
downloadopenttd-6fb36934a82842c7ea1334714c9f5a746c12a8ab.tar.xz
(svn r3446) - Fix: incorrect validating of tree-planting command which can allow a buffer-overflow (Tron)
Diffstat (limited to 'tree_cmd.c')
-rw-r--r--tree_cmd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tree_cmd.c b/tree_cmd.c
index ed207f4c7..51a5cfe06 100644
--- a/tree_cmd.c
+++ b/tree_cmd.c
@@ -139,7 +139,7 @@ int32 CmdPlantTree(int ex, int ey, uint32 flags, uint32 p1, uint32 p2)
int32 cost;
int sx, sy, x, y;
- if (p2 > MapSize()) return CMD_ERROR;
+ if (p2 >= MapSize()) return CMD_ERROR;
/* Check the tree type. It can be random or some valid value within the current climate */
if (p1 != (uint)-1 && p1 - _tree_base_by_landscape[_opt.landscape] >= _tree_count_by_landscape[_opt.landscape]) return CMD_ERROR;