b646cf1b28
* Fix easy warnings for sdk 2.0 * Add attribute unused to bagl_elemt_t in callback functions * Add attribute unused to io_event function * Clang-format * Use elfs from CI in tests (#167) * Add Nano X build * Use CI's build artifacts for CI's tests * Add network display (#152) * Add network name display instead of chainID * Add display of correct ticker along with network * Add FTM * Clang-format * Add comment in python script * Rename SIZE_MAX to MAX_SIZE * Change %u to %d in printf * Remove needless PIC * Update comment about get_chain_id() * Update example script to follow EIP155 * Remove unused PIC calls * Add whitespace between ticker and amount when using EIP155 * Remove decimal config per network, set back 18 everywhere * Adapt u32_from_BE to swith cases * Remove chainid from signTx.py * Switch to switch in stead of if in get_chain_id * Revert "Remove chainid from signTx.py" This reverts commit 454e09f280ec3e3ec1c7d7cc0027247ef4390088. * Change Ethereum chainid to 1 * Rename chainid_step to network_step * Adapt finalizeParsing to new chainid for Ethereum * Update snapshots * clang-format * Fix network display logic for clones * Fix tests * Add clone tests Co-authored-by: TamtamHero <10632523+TamtamHero@users.noreply.github.com> Co-authored-by: Jean P <10632523+TamtamHero@users.noreply.github.com>
86 lines
2.8 KiB
C
86 lines
2.8 KiB
C
#include "shared_context.h"
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#include "apdu_constants.h"
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#include "ui_flow.h"
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#include "tokens.h"
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#define CONTRACT_ADDR_SIZE 20
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#define SELECTOR_SIZE 4
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void handleSetExternalPlugin(uint8_t p1,
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uint8_t p2,
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uint8_t *workBuffer,
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uint16_t dataLength,
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unsigned int *flags,
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unsigned int *tx) {
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UNUSED(p1);
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UNUSED(p2);
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UNUSED(flags);
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PRINTF("Handling set External Plugin\n");
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uint8_t hash[32];
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cx_ecfp_public_key_t tokenKey;
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uint8_t pluginNameLength = *workBuffer;
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const size_t payload_size = 1 + pluginNameLength + CONTRACT_ADDR_SIZE + SELECTOR_SIZE;
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if (dataLength <= payload_size) {
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THROW(0x6A80);
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}
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if (pluginNameLength + 1 > sizeof(dataContext.tokenContext.pluginName)) {
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THROW(0x6A80);
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}
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// check Ledger's signature over the payload
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cx_hash_sha256(workBuffer, payload_size, hash, sizeof(hash));
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cx_ecfp_init_public_key(CX_CURVE_256K1,
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LEDGER_SIGNATURE_PUBLIC_KEY,
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sizeof(LEDGER_SIGNATURE_PUBLIC_KEY),
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&tokenKey);
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if (!cx_ecdsa_verify(&tokenKey,
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CX_LAST,
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CX_SHA256,
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hash,
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sizeof(hash),
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workBuffer + payload_size,
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dataLength - payload_size)) {
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PRINTF("Invalid external plugin signature %.*H\n", payload_size, workBuffer);
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THROW(0x6A80);
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}
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// move on to the rest of the payload parsing
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workBuffer++;
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memmove(dataContext.tokenContext.pluginName, workBuffer, pluginNameLength);
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dataContext.tokenContext.pluginName[pluginNameLength] = '\0';
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workBuffer += pluginNameLength;
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PRINTF("Check external plugin %s\n", dataContext.tokenContext.pluginName);
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// Check if the plugin is present on the device
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uint32_t params[2];
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params[0] = (uint32_t) dataContext.tokenContext.pluginName;
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params[1] = ETH_PLUGIN_CHECK_PRESENCE;
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BEGIN_TRY {
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TRY {
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os_lib_call(params);
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}
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CATCH_OTHER(e) {
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PRINTF("%s external plugin is not present\n", dataContext.tokenContext.pluginName);
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memset(dataContext.tokenContext.pluginName,
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0,
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sizeof(dataContext.tokenContext.pluginName));
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THROW(0x6984);
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}
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FINALLY {
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}
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}
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END_TRY;
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PRINTF("Plugin found\n");
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memmove(dataContext.tokenContext.contract_address, workBuffer, CONTRACT_ADDR_SIZE);
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workBuffer += 20;
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memmove(dataContext.tokenContext.method_selector, workBuffer, SELECTOR_SIZE);
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externalPluginIsSet = true;
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G_io_apdu_buffer[(*tx)++] = 0x90;
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G_io_apdu_buffer[(*tx)++] = 0x00;
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} |