mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-24 07:18:09 +00:00
120 lines
3.7 KiB
C
120 lines
3.7 KiB
C
/*
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* This file is part of the Trezor project, https://trezor.io/
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*
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* Copyright (C) 2018 Pavol Rusnak <stick@satoshilabs.com>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#if DEBUG_LINK
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void fsm_msgDebugLinkGetState(const DebugLinkGetState *msg) {
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(void)msg;
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// Do not use RESP_INIT because it clears msg_resp, but another message
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// might be being handled
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DebugLinkState resp;
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memzero(&resp, sizeof(resp));
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resp.has_layout = true;
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resp.layout.size = OLED_BUFSIZE;
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memcpy(resp.layout.bytes, oledGetBuffer(), OLED_BUFSIZE);
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resp.has_pin = config_getPin(resp.pin, sizeof(resp.pin));
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resp.has_matrix = true;
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strlcpy(resp.matrix, pinmatrix_get(), sizeof(resp.matrix));
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resp.has_reset_entropy = true;
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resp.reset_entropy.size = reset_get_int_entropy(resp.reset_entropy.bytes);
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resp.has_reset_word = true;
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strlcpy(resp.reset_word, reset_get_word(), sizeof(resp.reset_word));
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resp.has_recovery_fake_word = true;
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strlcpy(resp.recovery_fake_word, recovery_get_fake_word(),
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sizeof(resp.recovery_fake_word));
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resp.has_recovery_word_pos = true;
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resp.recovery_word_pos = recovery_get_word_pos();
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resp.has_mnemonic_secret = config_getMnemonicBytes(
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resp.mnemonic_secret.bytes, sizeof(resp.mnemonic_secret.bytes),
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&resp.mnemonic_secret.size);
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resp.mnemonic_type = 0; // BIP-39
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resp.has_node = config_dumpNode(&(resp.node));
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resp.has_passphrase_protection =
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config_getPassphraseProtection(&(resp.passphrase_protection));
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msg_debug_write(MessageType_MessageType_DebugLinkState, &resp);
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}
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void fsm_msgDebugLinkStop(const DebugLinkStop *msg) { (void)msg; }
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void fsm_msgDebugLinkMemoryRead(const DebugLinkMemoryRead *msg) {
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RESP_INIT(DebugLinkMemory);
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uint32_t length = 1024;
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if (msg->has_length && msg->length < length) length = msg->length;
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resp->has_memory = true;
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memcpy(resp->memory.bytes, FLASH_PTR(msg->address), length);
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resp->memory.size = length;
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msg_debug_write(MessageType_MessageType_DebugLinkMemory, resp);
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}
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void fsm_msgDebugLinkMemoryWrite(const DebugLinkMemoryWrite *msg) {
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uint32_t length = msg->memory.size;
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if (msg->flash) {
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svc_flash_unlock();
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svc_flash_program(FLASH_CR_PROGRAM_X32);
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for (uint32_t i = 0; i < length; i += 4) {
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uint32_t word;
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memcpy(&word, msg->memory.bytes + i, 4);
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flash_write32(msg->address + i, word);
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}
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uint32_t dummy = svc_flash_lock();
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(void)dummy;
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} else {
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#if !EMULATOR
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memcpy((void *)msg->address, msg->memory.bytes, length);
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#endif
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}
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}
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void fsm_msgDebugLinkFlashErase(const DebugLinkFlashErase *msg) {
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svc_flash_unlock();
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svc_flash_erase_sector(msg->sector);
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uint32_t dummy = svc_flash_lock();
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(void)dummy;
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}
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void fsm_msgDebugLinkReseedRandom(const DebugLinkReseedRandom *msg) {
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#if EMULATOR
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RESP_INIT(Success);
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random_reseed(msg->value);
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msg_debug_write(MessageType_MessageType_Success, resp);
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#else
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(void)msg;
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RESP_INIT(Failure);
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resp->code = FailureType_Failure_UnexpectedMessage;
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resp->has_message = true;
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strlcpy(resp->message, "ReseedRandom not supported on hardware",
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sizeof(resp->message));
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msg_debug_write(MessageType_MessageType_Failure, resp);
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#endif
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}
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#endif
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