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Validate emails as they're being sent

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This commit is contained in:
dongresource 2021-01-06 13:22:05 +01:00
parent 9e30e55669
commit 34bd7c102f
2 changed files with 42 additions and 6 deletions
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46
src/BuddyManager.cpp
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@ -648,14 +648,15 @@ void BuddyManager::emailReceiveItemSingle(CNSocket* sock, CNPacketData* data) {
sP_CL2FE_REQ_PC_RECV_EMAIL_ITEM* pkt = (sP_CL2FE_REQ_PC_RECV_EMAIL_ITEM*)data->buf;
Player* plr = PlayerManager::getPlayer(sock);
if (pkt->iSlotNum < 0 || pkt->iSlotNum >= AINVEN_COUNT || pkt->iSlotNum < 1 || pkt->iSlotNum > 4)
return; // sanity check
// get email item from db and delete it
sItemBase* attachments = Database::getEmailAttachments(plr->iID, pkt->iEmailIndex);
sItemBase itemFrom = attachments[pkt->iEmailItemSlot - 1];
Database::deleteEmailAttachments(plr->iID, pkt->iEmailIndex, pkt->iEmailItemSlot);
// move item to player inventory
if (pkt->iSlotNum < 0 || pkt->iSlotNum >= AINVEN_COUNT)
return; // sanity check
sItemBase& itemTo = plr->Inven[pkt->iSlotNum];
itemTo.iID = itemFrom.iID;
itemTo.iOpt = itemFrom.iOpt;
@ -745,6 +746,39 @@ void BuddyManager::emailSend(CNSocket* sock, CNPacketData* data) {
sP_CL2FE_REQ_PC_SEND_EMAIL* pkt = (sP_CL2FE_REQ_PC_SEND_EMAIL*)data->buf;
Player* plr = PlayerManager::getPlayer(sock);
// sanity checks
bool invalid = false;
int itemCount = 0;
for (int i = 0; i < 4; i++) {
int slot = pkt->aItem[i].iSlotNum;
if (slot < 0 || slot >= AINVEN_COUNT) {
invalid = true;
break;
}
sItemBase *item = &pkt->aItem[i].ItemInven;
sItemBase *real = &plr->Inven[slot];
if (item->iID == 0)
continue;
itemCount++;
if (item->iType != real->iType || item->iID != real->iID
|| item->iOpt < 0 || item->iOpt > real->iOpt) {
invalid = true;
break;
}
}
if (pkt->iCash < 0 || pkt->iCash > plr->money + 50 + 20 * itemCount || invalid) {
INITSTRUCT(sP_FE2CL_REP_PC_SEND_EMAIL_FAIL, errResp);
errResp.iErrorCode = 1;
errResp.iTo_PCUID = pkt->iTo_PCUID;
sock->sendPacket((void*)&errResp, P_FE2CL_REP_PC_SEND_EMAIL_FAIL, sizeof(sP_FE2CL_REP_PC_SEND_EMAIL_FAIL));
return;
}
INITSTRUCT(sP_FE2CL_REP_PC_SEND_EMAIL_SUCC, resp);
if (pkt->iCash || pkt->aItem[0].ItemInven.iID) {
@ -766,10 +800,12 @@ void BuddyManager::emailSend(CNSocket* sock, CNPacketData* data) {
std::vector<int> attSlots;
for (int i = 0; i < 4; i++) {
sEmailItemInfoFromCL attachment = pkt->aItem[i];
// skip empty slots
if (attachment.ItemInven.iID == 0)
continue;
resp.aItem[i] = attachment;
if (attachment.iSlotNum < 0 || attachment.iSlotNum >= AINVEN_COUNT
|| attachment.ItemInven.iID <= 0 || attachment.ItemInven.iType < 0)
continue; // sanity check
attachments.push_back(attachment.ItemInven);
attSlots.push_back(attachment.iSlotNum);
// delete item

2
tdata

@ -1 +1 @@
Subproject commit c0d525d9ba93b133f9122b60eb74688badff5003
Subproject commit 5316c7a615502a49a890cecdc0e2dfd035b03a29