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Verify length of binary data in CmdBuildVehicle and CmdAddPlanLine

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Jonathan G Rennison
2019-03-03 20:54:29 +00:00
parent b0284c8d9e
commit 1340392497
3 changed files with 8 additions and 6 deletions
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6
src/plans_cmd.cpp
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@@ -51,16 +51,18 @@ CommandCost CmdAddPlan(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2
* @param flags type of operation
* @param p1 plan id
* @param p2 number of nodes
* @param text list of tile indexes that compose the line, encoded in base64
* @param text list of tile indexes that compose the line
* @param binary_length binary length of text
* @return the cost of this operation or an error
*/
CommandCost CmdAddPlanLine(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
CommandCost CmdAddPlanLine(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text, uint32 binary_length)
{
Plan *p = Plan::GetIfValid(p1);
if (p == NULL) return CMD_ERROR;
CommandCost ret = CheckOwnership(p->owner);
if (ret.Failed()) return ret;
if (p2 > (MAX_CMD_TEXT_LENGTH / sizeof(TileIndex))) return_cmd_error(STR_ERROR_TOO_MANY_NODES);
if (!text || binary_length != p2 * 4) return CMD_ERROR;
if (flags & DC_EXEC) {
PlanLine *pl = p->NewLine();
if (!pl) return_cmd_error(STR_ERROR_NO_MORE_SPACE_FOR_LINES);