bankd: Verify bankd/client slot in tpduModemToCard rx handler
Change-Id: I58fce1392f418b36f5f61f224e03a9dbbe34f01f
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@ -550,6 +550,8 @@ static int worker_handle_tpduModemToCard(struct bankd_worker *worker, const Rspr
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uint8_t rx_buf[1024];
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DWORD rx_buf_len = sizeof(rx_buf);
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RsproPDU_t *pdu_resp;
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struct client_slot clslot;
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struct bank_slot bslot;
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long rc;
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LOGW(worker, "tpduModemToCard(%s)\n", osmo_hexdump_nospc(mdm2sim->data.buf, mdm2sim->data.size));
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@ -559,7 +561,19 @@ static int worker_handle_tpduModemToCard(struct bankd_worker *worker, const Rspr
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return -104;
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}
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/* FIXME: Validate that toBankSlot / fromClientSlot match our expectations */
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/* Validate that toBankSlot / fromClientSlot match our expectations */
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rspro2client_slot(&clslot, &mdm2sim->fromClientSlot);
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rspro2bank_slot(&bslot, &mdm2sim->toBankSlot);
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if (!bank_slot_equals(&worker->slot, &bslot)) {
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LOGW(worker, "Unexpected BankSlot %u:%u in tpduModemToCard\n",
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bslot.bank_id, bslot.slot_nr);
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return -105;
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}
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if (!client_slot_equals(&worker->client.clslot, &clslot)) {
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LOGW(worker, "Unexpected ClientSlot %u:%u in tpduModemToCard\n",
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clslot.client_id, clslot.slot_nr);
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return -106;
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}
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rc = SCardTransmit(worker->reader.pcsc.hCard,
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pioSendPci, mdm2sim->data.buf, mdm2sim->data.size,
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