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fix gacha rewards overflowing

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This commit is contained in:
wish
2023-02-18 10:43:47 +11:00
parent 8e6fa5e349
commit c3306de2ee
1 changed files with 3 additions and 2 deletions
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5
server/channelserver/handlers_shop_gacha.go
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@@ -600,7 +600,8 @@ func handleMsgMhfReceiveGachaItem(s *Session, p mhfpacket.MHFPacket) {
data = []byte{0x00}
}
if data[0] > 36 {
// I think there are still some edge cases where rewards can be nulled via overflow
if data[0] > 36 || len(data) > 181 {
resp := byteframe.NewByteFrame()
resp.WriteUint8(36)
resp.WriteBytes(data[1:181])
@@ -610,7 +611,7 @@ func handleMsgMhfReceiveGachaItem(s *Session, p mhfpacket.MHFPacket) {
}
if !pkt.Freeze {
if data[0] > 36 {
if data[0] > 36 || len(data) > 181 {
update := byteframe.NewByteFrame()
update.WriteUint8(uint8(len(data[181:]) / 5))
update.WriteBytes(data[181:])