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Plugins support WIP

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This commit is contained in:
BTChip github
2020-09-22 09:22:49 +02:00
committed by TamtamHero
parent 3d40be2db0
commit 38da718b00
22 changed files with 1777 additions and 1063 deletions
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213
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/*
* Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
/* ====================================================================
* Copyright (c) 1995-1999 The Apache Group. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the Apache Group
* for use in the Apache HTTP server project (http://www.apache.org/)."
*
* 4. The names "Apache Server" and "Apache Group" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the Apache Group
* for use in the Apache HTTP server project (http://www.apache.org/)."
*
* THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE APACHE GROUP OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Group and was originally based
* on public domain software written at the National Center for
* Supercomputing Applications, University of Illinois, Urbana-Champaign.
* For more information on the Apache Group and the Apache HTTP server
* project, please see <http://www.apache.org/>.
*
*/
/* Base64 encoder/decoder. Originally Apache file ap_base64.c
*/
#include <string.h>
#include "base64.h"
#if 0
/* aaaack but it's fast and const should make it shared text page. */
static const unsigned char pr2six[256] =
{
/* ASCII table */
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 62, 64, 64, 64, 63,
52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 64, 64, 64, 64, 64, 64,
64, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 64, 64, 64, 64, 64,
64, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64
};
int Base64decode_len(const char *bufcoded)
{
int nbytesdecoded;
register const unsigned char *bufin;
register int nprbytes;
bufin = (const unsigned char *) bufcoded;
while (pr2six[*(bufin++)] <= 63);
nprbytes = (bufin - (const unsigned char *) bufcoded) - 1;
nbytesdecoded = ((nprbytes + 3) / 4) * 3;
return nbytesdecoded + 1;
}
int Base64decode(char *bufplain, const char *bufcoded)
{
int nbytesdecoded;
register const unsigned char *bufin;
register unsigned char *bufout;
register int nprbytes;
bufin = (const unsigned char *) bufcoded;
while (pr2six[*(bufin++)] <= 63);
nprbytes = (bufin - (const unsigned char *) bufcoded) - 1;
nbytesdecoded = ((nprbytes + 3) / 4) * 3;
bufout = (unsigned char *) bufplain;
bufin = (const unsigned char *) bufcoded;
while (nprbytes > 4) {
*(bufout++) =
(unsigned char) (pr2six[*bufin] << 2 | pr2six[bufin[1]] >> 4);
*(bufout++) =
(unsigned char) (pr2six[bufin[1]] << 4 | pr2six[bufin[2]] >> 2);
*(bufout++) =
(unsigned char) (pr2six[bufin[2]] << 6 | pr2six[bufin[3]]);
bufin += 4;
nprbytes -= 4;
}
/* Note: (nprbytes == 1) would be an error, so just ingore that case */
if (nprbytes > 1) {
*(bufout++) =
(unsigned char) (pr2six[*bufin] << 2 | pr2six[bufin[1]] >> 4);
}
if (nprbytes > 2) {
*(bufout++) =
(unsigned char) (pr2six[bufin[1]] << 4 | pr2six[bufin[2]] >> 2);
}
if (nprbytes > 3) {
*(bufout++) =
(unsigned char) (pr2six[bufin[2]] << 6 | pr2six[bufin[3]]);
}
*(bufout++) = '\0';
nbytesdecoded -= (4 - nprbytes) & 3;
return nbytesdecoded;
}
#endif
static const char basis_64[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
int Base64encode_len(int len)
{
return ((len + 2) / 3 * 4) + 1;
}
int Base64encode(char *encoded, const char *string, int len)
{
int i;
char *p;
p = encoded;
for (i = 0; i < len - 2; i += 3) {
*p++ = basis_64[(string[i] >> 2) & 0x3F];
*p++ = basis_64[((string[i] & 0x3) << 4) |
((int) (string[i + 1] & 0xF0) >> 4)];
*p++ = basis_64[((string[i + 1] & 0xF) << 2) |
((int) (string[i + 2] & 0xC0) >> 6)];
*p++ = basis_64[string[i + 2] & 0x3F];
}
if (i < len) {
*p++ = basis_64[(string[i] >> 2) & 0x3F];
if (i == (len - 1)) {
*p++ = basis_64[((string[i] & 0x3) << 4)];
*p++ = '=';
}
else {
*p++ = basis_64[((string[i] & 0x3) << 4) |
((int) (string[i + 1] & 0xF0) >> 4)];
*p++ = basis_64[((string[i + 1] & 0xF) << 2)];
}
*p++ = '=';
}
*p++ = '\0';
return p - encoded;
}

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/*
* Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
/* ====================================================================
* Copyright (c) 1995-1999 The Apache Group. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the Apache Group
* for use in the Apache HTTP server project (http://www.apache.org/)."
*
* 4. The names "Apache Server" and "Apache Group" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the Apache Group
* for use in the Apache HTTP server project (http://www.apache.org/)."
*
* THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE APACHE GROUP OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Group and was originally based
* on public domain software written at the National Center for
* Supercomputing Applications, University of Illinois, Urbana-Champaign.
* For more information on the Apache Group and the Apache HTTP server
* project, please see <http://www.apache.org/>.
*
*/
#ifndef _BASE64_H_
#define _BASE64_H_
#ifdef __cplusplus
extern "C" {
#endif
int Base64encode_len(int len);
int Base64encode(char * coded_dst, const char *plain_src,int len_plain_src);
#if 0
int Base64decode_len(const char * coded_src);
int Base64decode(char * plain_dst, const char *coded_src);
#endif
#ifdef __cplusplus
}
#endif
#endif //_BASE64_H_

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#include <string.h>
#include "eth_plugin_handler.h"
#include "eth_plugin_internal.h"
#include "shared_context.h"
#include "base64.h"
void eth_plugin_prepare_init(ethPluginInitContract_t *init, uint8_t *selector, uint32_t dataSize) {
memset((uint8_t*)init, 0, sizeof(ethPluginInitContract_t));
init->selector = selector;
init->dataSize = dataSize;
}
void eth_plugin_prepare_provide_parameter(ethPluginProvideParameter_t *provideParameter, uint8_t *parameter, uint32_t parameterOffset) {
memset((uint8_t*)provideParameter, 0, sizeof(ethPluginProvideParameter_t));
provideParameter->parameter = parameter;
provideParameter->parameterOffset = parameterOffset;
}
void eth_plugin_prepare_finalize(ethPluginFinalize_t *finalize) {
memset((uint8_t*)finalize, 0, sizeof(ethPluginFinalize_t));
}
void eth_plugin_prepare_provide_token(ethPluginProvideToken_t *provideToken, tokenDefinition_t *token1, tokenDefinition_t *token2) {
memset((uint8_t*)provideToken, 0, sizeof(ethPluginProvideToken_t));
provideToken->token1 = token1;
provideToken->token2 = token2;
}
void eth_plugin_prepare_query_contract_ID(ethQueryContractID_t *queryContractID, char *name, uint32_t nameLength, char *version, uint32_t versionLength) {
memset((uint8_t*)queryContractID, 0, sizeof(ethQueryContractID_t));
queryContractID->name = name;
queryContractID->nameLength = nameLength;
queryContractID->version = version;
queryContractID->versionLength = versionLength;
}
void eth_plugin_prepare_query_contract_UI(ethQueryContractUI_t *queryContractUI, uint8_t screenIndex, char *title, uint32_t titleLength, char *msg, uint32_t msgLength) {
memset((uint8_t*)queryContractUI, 0, sizeof(ethQueryContractUI_t));
queryContractUI->screenIndex = screenIndex;
queryContractUI->title = title;
queryContractUI->titleLength = titleLength;
queryContractUI->msg = msg;
queryContractUI->msgLength = msgLength;
}
int eth_plugin_perform_init(uint8_t *contractAddress, ethPluginInitContract_t *init) {
uint8_t i;
dataContext.tokenContext.pluginAvailable = 0;
// Handle hardcoded plugin list
PRINTF("Selector %.*H\n", 4, init->selector);
for (i=0; i<NUM_INTERNAL_PLUGINS; i++) {
const uint8_t **selectors = PIC(INTERNAL_ETH_PLUGINS[i].selectors);
uint8_t j;
for (j=0; ((j<INTERNAL_ETH_PLUGINS[i].num_selectors) && (contractAddress != NULL)); j++) {
if (memcmp(init->selector, PIC(selectors[j]), SELECTOR_SIZE) == 0) {
strcpy(dataContext.tokenContext.pluginName, INTERNAL_ETH_PLUGINS[i].alias);
dataContext.tokenContext.pluginAvailable = 1;
contractAddress = NULL;
break;
}
}
}
#ifndef TARGET_BLUE
// Do not handle a plugin if running in swap mode
if (called_from_swap && (contractAddress != NULL)) {
PRINTF("eth_plug_init aborted in swap mode\n");
return 0;
}
for (;;) {
PRINTF("eth_plugin_init\n");
if (contractAddress != NULL) {
PRINTF("Trying address %.*H\n", 20, contractAddress);
}
else {
PRINTF("Trying alias %s\n", dataContext.tokenContext.pluginName);
}
int status = eth_plugin_call(contractAddress, ETH_PLUGIN_INIT_CONTRACT, (void*)init);
if (!status) {
return 0;
}
if (status == ETH_PLUGIN_RESULT_OK) {
break;
}
if (status == ETH_PLUGIN_RESULT_OK_ALIAS) {
contractAddress = NULL;
}
}
PRINTF("eth_plugin_init ok %s\n", dataContext.tokenContext.pluginName);
dataContext.tokenContext.pluginAvailable = 1;
return 1;
#else
// Disable plugins on Ledger Blue for the time being
return 0;
#endif
}
int eth_plugin_call(uint8_t *contractAddress, int method, void *parameter) {
ethPluginSharedRW_t pluginRW;
ethPluginSharedRO_t pluginRO;
char tmp[PLUGIN_ID_LENGTH];
char *alias;
uint8_t i;
pluginRW.sha3 = &global_sha3;
pluginRO.txContent = &tmpContent.txContent;
if (contractAddress == NULL) {
if (!dataContext.tokenContext.pluginAvailable) {
PRINTF("Cached plugin call but no plugin available\n");
return 0;
}
alias = dataContext.tokenContext.pluginName;
}
else {
Base64encode(tmp, (char*)contractAddress, 20);
alias = tmp;
}
// Prepare the call
switch(method) {
case ETH_PLUGIN_INIT_CONTRACT:
((ethPluginInitContract_t*)parameter)->pluginSharedRW = &pluginRW;
((ethPluginInitContract_t*)parameter)->pluginSharedRO = &pluginRO;
((ethPluginInitContract_t*)parameter)->pluginContext = (uint8_t*)&dataContext.tokenContext.pluginContext;
((ethPluginInitContract_t*)parameter)->pluginContextLength = sizeof(dataContext.tokenContext.pluginContext);
((ethPluginInitContract_t*)parameter)->alias = dataContext.tokenContext.pluginName;
break;
case ETH_PLUGIN_PROVIDE_PARAMETER:
((ethPluginProvideParameter_t*)parameter)->pluginSharedRW = &pluginRW;
((ethPluginProvideParameter_t*)parameter)->pluginSharedRO = &pluginRO;
((ethPluginProvideParameter_t*)parameter)->pluginContext = (uint8_t*)&dataContext.tokenContext.pluginContext;
break;
case ETH_PLUGIN_FINALIZE:
((ethPluginFinalize_t*)parameter)->pluginSharedRW = &pluginRW;
((ethPluginFinalize_t*)parameter)->pluginSharedRO = &pluginRO;
((ethPluginFinalize_t*)parameter)->pluginContext = (uint8_t*)&dataContext.tokenContext.pluginContext;
break;
case ETH_PLUGIN_PROVIDE_TOKEN:
((ethPluginProvideToken_t*)parameter)->pluginSharedRW = &pluginRW;
((ethPluginProvideToken_t*)parameter)->pluginSharedRO = &pluginRO;
((ethPluginProvideToken_t*)parameter)->pluginContext = (uint8_t*)&dataContext.tokenContext.pluginContext;
break;
case ETH_PLUGIN_QUERY_CONTRACT_ID:
((ethQueryContractID_t*)parameter)->pluginSharedRW = &pluginRW;
((ethQueryContractID_t*)parameter)->pluginSharedRO = &pluginRO;
((ethQueryContractID_t*)parameter)->pluginContext = (uint8_t*)&dataContext.tokenContext.pluginContext;
break;
case ETH_PLUGIN_QUERY_CONTRACT_UI:
((ethQueryContractUI_t*)parameter)->pluginSharedRW = &pluginRW;
((ethQueryContractUI_t*)parameter)->pluginSharedRO = &pluginRO;
((ethQueryContractUI_t*)parameter)->pluginContext = (uint8_t*)&dataContext.tokenContext.pluginContext;
break;
default:
PRINTF("Unknown plugin method %d\n", method);
return 0;
}
// Perform the call
for (i=0; i<NUM_INTERNAL_PLUGINS; i++) {
if (strcmp(alias, INTERNAL_ETH_PLUGINS[i].alias) == 0) {
((PluginCall)PIC(INTERNAL_ETH_PLUGINS[i].impl))(method, parameter);
break;
}
}
if (i == NUM_INTERNAL_PLUGINS) {
uint32_t params[3];
params[0] = (uint32_t)alias;
params[1] = method;
params[2] = (uint32_t)parameter;
BEGIN_TRY {
TRY {
os_lib_call(params);
}
CATCH_OTHER(e) {
PRINTF("Plugin call exception for %s\n", alias);
}
FINALLY {
}
}
END_TRY;
}
// Check the call result
switch(method) {
case ETH_PLUGIN_INIT_CONTRACT:
switch (((ethPluginInitContract_t*)parameter)->result) {
case ETH_PLUGIN_RESULT_OK:
if (contractAddress != NULL) {
strcpy(dataContext.tokenContext.pluginName, alias);
}
break;
case ETH_PLUGIN_RESULT_OK_ALIAS:
break;
default:
return 0;
}
break;
case ETH_PLUGIN_PROVIDE_PARAMETER:
switch (((ethPluginProvideParameter_t*)parameter)->result) {
case ETH_PLUGIN_RESULT_OK:
case ETH_PLUGIN_RESULT_FALLBACK:
break;
default:
return 0;
}
break;
case ETH_PLUGIN_FINALIZE:
switch (((ethPluginFinalize_t*)parameter)->result) {
case ETH_PLUGIN_RESULT_OK:
case ETH_PLUGIN_RESULT_FALLBACK:
break;
default:
return 0;
}
break;
case ETH_PLUGIN_PROVIDE_TOKEN:
switch (((ethPluginProvideToken_t*)parameter)->result) {
case ETH_PLUGIN_RESULT_OK:
case ETH_PLUGIN_RESULT_FALLBACK:
break;
default:
return 0;
}
break;
case ETH_PLUGIN_QUERY_CONTRACT_ID:
if (((ethQueryContractID_t*)parameter)->result != ETH_PLUGIN_RESULT_OK) {
return 0;
}
break;
case ETH_PLUGIN_QUERY_CONTRACT_UI:
if (((ethQueryContractUI_t*)parameter)->result != ETH_PLUGIN_RESULT_OK) {
return 0;
}
break;
default:
return 0;
}
return 1;
}

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#ifndef __ETH_PLUGIN_HANDLER_H__
#include "eth_plugin_interface.h"
void eth_plugin_prepare_init(ethPluginInitContract_t *init, uint8_t *selector, uint32_t dataSize);
void eth_plugin_prepare_provide_parameter(ethPluginProvideParameter_t *provideParameter, uint8_t *parameter, uint32_t parameterOffset);
void eth_plugin_prepare_finalize(ethPluginFinalize_t *finalize);
void eth_plugin_prepare_provide_token(ethPluginProvideToken_t *provideToken, tokenDefinition_t *token1, tokenDefinition_t *token2);
void eth_plugin_prepare_query_contract_ID(ethQueryContractID_t *queryContractID, char *name, uint32_t nameLength, char *version, uint32_t versionLength);
void eth_plugin_prepare_query_contract_UI(ethQueryContractUI_t *queryContractUI, uint8_t screenIndex, char *title, uint32_t titleLength, char *msg, uint32_t msgLength);
int eth_plugin_perform_init(uint8_t *contractAddress, ethPluginInitContract_t *init);
// NULL for cached address, or base contract address
int eth_plugin_call(uint8_t *contractAddress, int method, void *parameter);
void plugin_ui_start(void);
#endif

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#ifndef __ETH_PLUGIN_INTERFACE_H__
#define __ETH_PLUGIN_INTERFACE_H__
#include "os.h"
#include "cx.h"
#include "ethUstream.h"
#include "tokens.h"
#define PLUGIN_ID_LENGTH 30
typedef enum {
ETH_PLUGIN_INIT_CONTRACT = 0x0101,
ETH_PLUGIN_PROVIDE_PARAMETER = 0x0102,
ETH_PLUGIN_FINALIZE = 0x0103,
ETH_PLUGIN_PROVIDE_TOKEN = 0x0104,
ETH_PLUGIN_QUERY_CONTRACT_ID = 0x0105,
ETH_PLUGIN_QUERY_CONTRACT_UI = 0x0106
} eth_plugin_msg_t;
typedef enum {
ETH_PLUGIN_RESULT_ERROR = 0x00,
ETH_PLUGIN_RESULT_OK = 0x01,
ETH_PLUGIN_RESULT_OK_ALIAS = 0x02,
ETH_PLUGIN_RESULT_FALLBACK = 0x03
} eth_plugin_result_t;
typedef enum {
ETH_UI_TYPE_AMOUNT_ADDRESS = 0x01,
ETH_UI_TYPE_GENERIC = 0x02
} eth_ui_type_t;
typedef void (*PluginCall)(int, void*);
// Shared objects, read-write
typedef struct ethPluginSharedRW_t {
cx_sha3_t *sha3;
} ethPluginSharedRW_t;
// Shared objects, read-only
typedef struct ethPluginSharedRO_t {
txContent_t *txContent;
} ethPluginSharedRO_t;
// Init Contract
typedef struct ethPluginInitContract_t {
// in
ethPluginSharedRW_t *pluginSharedRW;
ethPluginSharedRO_t *pluginSharedRO;
uint8_t *pluginContext;
uint32_t pluginContextLength;
uint8_t *selector; // 4 bytes selector
uint32_t dataSize;
char *alias; // 29 bytes alias if ETH_PLUGIN_RESULT_OK_ALIAS set
uint8_t result;
} ethPluginInitContract_t;
// Provide parameter
typedef struct ethPluginProvideParameter_t {
ethPluginSharedRW_t *pluginSharedRW;
ethPluginSharedRO_t *pluginSharedRO;
uint8_t *pluginContext;
uint8_t *parameter; // 32 bytes parameter
uint32_t parameterOffset;
uint8_t result;
} ethPluginProvideParameter_t;
// Finalize
typedef struct ethPluginFinalize_t {
ethPluginSharedRW_t *pluginSharedRW;
ethPluginSharedRO_t *pluginSharedRO;
uint8_t *pluginContext;
uint8_t *tokenLookup1; // set by the plugin if a token should be looked up
uint8_t *tokenLookup2;
uint8_t *amount; // set an uint256 pointer if uiType is UI_AMOUNT_ADDRESS
uint8_t *address; // set to a 20 bytes address pointer if uiType is UI_AMOUNT_ADDRESS
uint8_t uiType;
uint8_t numScreens; // ignored if uiType is UI_AMOUNT_ADDRESS
uint8_t result;
} ethPluginFinalize_t;
// If uiType is UI_AMOUNT_ADDRESS, the amount and address provided by the plugin will be used
// If tokenLookup1 is set, the amount is provided for this token
// if uiType is UI_TYPE_GENERIC, the ETH application provides tokens if requested then prompts
// for each UI field
// The first field is forced by the ETH app to be the name + version of the plugin handling the request
// The last field is the fee amount
// Provide token
typedef struct ethPluginProvideToken_t {
ethPluginSharedRW_t *pluginSharedRW;
ethPluginSharedRO_t *pluginSharedRO;
uint8_t *pluginContext;
tokenDefinition_t *token1; // set by the ETH application, to be saved by the plugin
tokenDefinition_t *token2;
uint8_t result;
} ethPluginProvideToken_t;
// Query Contract name and version
// This is always called on the non aliased contract
typedef struct ethQueryContractID_t {
ethPluginSharedRW_t *pluginSharedRW;
ethPluginSharedRO_t *pluginSharedRO;
uint8_t *pluginContext;
char *name;
uint32_t nameLength;
char *version;
uint32_t versionLength;
uint8_t result;
} ethQueryContractID_t;
// Query Contract UI
typedef struct ethQueryContractUI_t {
ethPluginSharedRW_t *pluginSharedRW;
ethPluginSharedRO_t *pluginSharedRO;
uint8_t *pluginContext;
uint8_t screenIndex;
char *title;
uint32_t titleLength;
char *msg;
uint32_t msgLength;
uint8_t result;
} ethQueryContractUI_t;
#endif

52
src/eth_plugin_internal.c Normal file
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@@ -0,0 +1,52 @@
#include "eth_plugin_internal.h"
void erc20_plugin_call(int message, void *parameters);
void starkware_plugin_call(int message, void *parameters);
static const uint8_t const ERC20_SELECTOR[SELECTOR_SIZE] = { 0xa9, 0x05, 0x9c, 0xbb };
static const uint8_t* const ERC20_SELECTORS[1] = { ERC20_SELECTOR };
#ifdef HAVE_STARKWARE
static const uint8_t const STARKWARE_REGISTER_ID[SELECTOR_SIZE] = { 0x76, 0x57, 0x18, 0xd7 };
static const uint8_t const STARKWARE_DEPOSIT_TOKEN_ID[SELECTOR_SIZE] = { 0x00, 0xae, 0xef, 0x8a };
static const uint8_t const STARKWARE_DEPOSIT_ETH_ID[SELECTOR_SIZE] = { 0xe2, 0xbb, 0xb1, 0x58 };
static const uint8_t const STARKWARE_DEPOSIT_CANCEL_ID[SELECTOR_SIZE] = { 0xc7, 0xfb, 0x11, 0x7c };
static const uint8_t const STARKWARE_DEPOSIT_RECLAIM_ID[SELECTOR_SIZE] = { 0x4e, 0xab, 0x38, 0xf4 };
static const uint8_t const STARKWARE_WITHDRAW_ID[SELECTOR_SIZE] = { 0x2e, 0x1a, 0x7d, 0x4d };
static const uint8_t const STARKWARE_FULL_WITHDRAWAL_ID[SELECTOR_SIZE] = { 0x27, 0x6d, 0xd1, 0xde };
static const uint8_t const STARKWARE_FREEZE_ID[SELECTOR_SIZE] = { 0xb9, 0x10, 0x72, 0x09 };
static const uint8_t const STARKWARE_ESCAPE_ID[SELECTOR_SIZE] = { 0x9e, 0x3a, 0xda, 0xc4 };
static const uint8_t const STARKWARE_VERIFY_ESCAPE_ID[SELECTOR_SIZE] = { 0x2d, 0xd5, 0x30, 0x06 };
const uint8_t* const STARKWARE_SELECTORS[NUM_STARKWARE_SELECTORS] = {
STARKWARE_REGISTER_ID, STARKWARE_DEPOSIT_TOKEN_ID, STARKWARE_DEPOSIT_ETH_ID,
STARKWARE_DEPOSIT_CANCEL_ID, STARKWARE_DEPOSIT_RECLAIM_ID, STARKWARE_WITHDRAW_ID,
STARKWARE_FULL_WITHDRAWAL_ID, STARKWARE_FREEZE_ID, STARKWARE_ESCAPE_ID,
STARKWARE_VERIFY_ESCAPE_ID
};
#endif
// All internal alias names start with 'minus'
const internalEthPlugin_t const INTERNAL_ETH_PLUGINS[NUM_INTERNAL_PLUGINS] = {
{
ERC20_SELECTORS,
1,
"-erc20",
erc20_plugin_call
},
#ifdef HAVE_STARKWARE
{
STARKWARE_SELECTORS,
10,
"-strk",
starkware_plugin_call
},
#endif
};

30
src/eth_plugin_internal.h Normal file
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@@ -0,0 +1,30 @@
#ifndef __ETH_PLUGIN_INTERNAL_H__
#include "eth_plugin_interface.h"
#define SELECTOR_SIZE 4
typedef struct internalEthPlugin_t {
const uint8_t **selectors;
uint8_t num_selectors;
char alias[7];
PluginCall impl;
} internalEthPlugin_t;
#ifdef HAVE_STARKWARE
#define NUM_INTERNAL_PLUGINS 2
#define NUM_STARKWARE_SELECTORS 10
extern const uint8_t* const STARKWARE_SELECTORS[NUM_STARKWARE_SELECTORS];
#else
#define NUM_INTERNAL_PLUGINS 1
#endif
extern internalEthPlugin_t const INTERNAL_ETH_PLUGINS[NUM_INTERNAL_PLUGINS];
#endif

173
src/eth_plugin_ui.c Normal file
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@@ -0,0 +1,173 @@
#include "shared_context.h"
#ifdef HAVE_UX_FLOW
#include "ui_flow.h"
#endif
#include "ui_callbacks.h"
#include "eth_plugin_handler.h"
typedef enum {
PLUGIN_UI_INSIDE = 0,
PLUGIN_UI_OUTSIDE
} plugin_ui_state_t;
void computeFees(char *displayBuffer, uint32_t displayBufferSize);
void plugin_ui_get_id() {
ethQueryContractID_t pluginQueryContractID;
eth_plugin_prepare_query_contract_ID(&pluginQueryContractID, strings.tmp.tmp, sizeof(strings.tmp.tmp), strings.tmp.tmp2, sizeof(strings.tmp.tmp2));
// Query the original contract for ID if it's not an internal alias
if (!eth_plugin_call(
(dataContext.tokenContext.pluginName[0] == '-' ? NULL : tmpContent.txContent.destination),
ETH_PLUGIN_QUERY_CONTRACT_ID, (void*)&pluginQueryContractID)) {
PRINTF("Plugin query contract ID call failed\n");
io_seproxyhal_touch_tx_cancel(NULL);
}
}
void plugin_ui_get_item() {
ethQueryContractUI_t pluginQueryContractUI;
eth_plugin_prepare_query_contract_UI(&pluginQueryContractUI, dataContext.tokenContext.pluginUiCurrentItem, strings.tmp.tmp, sizeof(strings.tmp.tmp), strings.tmp.tmp2, sizeof(strings.tmp.tmp2));
if (!eth_plugin_call(NULL, ETH_PLUGIN_QUERY_CONTRACT_UI, (void*)&pluginQueryContractUI)) {
PRINTF("Plugin query contract UI call failed\n");
io_seproxyhal_touch_tx_cancel(NULL);
}
}
void display_next_plugin_item(bool entering) {
if (entering) {
if (dataContext.tokenContext.pluginUiState == PLUGIN_UI_OUTSIDE) {
dataContext.tokenContext.pluginUiState = PLUGIN_UI_INSIDE;
dataContext.tokenContext.pluginUiCurrentItem = 0;
plugin_ui_get_item();
ux_flow_next();
}
else {
if (dataContext.tokenContext.pluginUiCurrentItem > 0) {
dataContext.tokenContext.pluginUiCurrentItem--;
plugin_ui_get_item();
ux_flow_next();
}
else {
dataContext.tokenContext.pluginUiState = PLUGIN_UI_OUTSIDE;
dataContext.tokenContext.pluginUiCurrentItem = 0;
ux_flow_prev();
}
}
}
else {
if (dataContext.tokenContext.pluginUiState == PLUGIN_UI_OUTSIDE) {
dataContext.tokenContext.pluginUiState = PLUGIN_UI_INSIDE;
plugin_ui_get_item();
ux_flow_prev();
// Reset multi page layout to the first page
G_ux.layout_paging.current = 0;
ux_layout_paging_redisplay(G_ux.stack_count-1);
}
else {
if (dataContext.tokenContext.pluginUiCurrentItem < dataContext.tokenContext.pluginUiMaxItems - 1) {
dataContext.tokenContext.pluginUiCurrentItem++;
plugin_ui_get_item();
ux_flow_prev();
// Reset multi page layout to the first page
G_ux.layout_paging.current = 0;
ux_layout_paging_redisplay(G_ux.stack_count-1);
}
else {
dataContext.tokenContext.pluginUiState = PLUGIN_UI_OUTSIDE;
ux_flow_next();
}
}
}
}
void plugin_ui_compute_fees() {
computeFees(strings.common.maxFee, sizeof(strings.common.maxFee));
}
UX_FLOW_DEF_NOCB(
ux_plugin_approval_intro_step,
pnn,
{
&C_icon_eye,
"Review",
"contract call",
});
UX_STEP_NOCB_INIT(
ux_plugin_approval_id_step,
bnnn_paging,
plugin_ui_get_id(),
{
.title = strings.tmp.tmp,
.text = strings.tmp.tmp2
});
UX_STEP_INIT(
ux_plugin_approval_before_step,
NULL,
NULL,
{
display_next_plugin_item(true);
});
UX_FLOW_DEF_NOCB(
ux_plugin_approval_display_step,
bnnn_paging,
{
.title = strings.tmp.tmp,
.text = strings.tmp.tmp2
});
UX_STEP_INIT(
ux_plugin_approval_after_step,
NULL,
NULL,
{
display_next_plugin_item(false);
});
UX_STEP_NOCB_INIT(
ux_plugin_approval_fees_step,
bnnn_paging,
plugin_ui_compute_fees(),
{
.title = "Max fees",
.text = strings.common.maxFee
});
UX_FLOW_DEF_VALID(
ux_plugin_approval_ok_step,
pbb,
io_seproxyhal_touch_tx_ok(NULL),
{
&C_icon_validate_14,
"Accept",
"and send",
});
UX_FLOW_DEF_VALID(
ux_plugin_approval_cancel_step,
pb,
io_seproxyhal_touch_tx_cancel(NULL),
{
&C_icon_crossmark,
"Reject",
});
const ux_flow_step_t * const ux_plugin_approval_flow [] = {
&ux_plugin_approval_intro_step,
&ux_plugin_approval_id_step,
&ux_plugin_approval_before_step,
&ux_plugin_approval_display_step,
&ux_plugin_approval_after_step,
&ux_plugin_approval_fees_step,
&ux_plugin_approval_ok_step,
&ux_plugin_approval_cancel_step
};
void plugin_ui_start() {
dataContext.tokenContext.pluginUiState = PLUGIN_UI_OUTSIDE;
dataContext.tokenContext.pluginUiCurrentItem = 0;
ux_flow_init(0, ux_plugin_approval_flow, NULL);
}

2
src/main.c
View File

@@ -52,7 +52,6 @@ uint8_t dataAllowed;
uint8_t contractDetails;
uint8_t appState;
bool dataPresent;
contract_call_t contractProvisioned;
bool called_from_swap;
#ifdef HAVE_STARKWARE
bool quantumSet;
@@ -70,7 +69,6 @@ void reset_app_context() {
//PRINTF("!!RESET_APP_CONTEXT\n");
appState = APP_STATE_IDLE;
os_memset(tmpCtx.transactionContext.tokenSet, 0, MAX_TOKEN);
contractProvisioned = CONTRACT_NONE;
called_from_swap = false;
#ifdef HAVE_STARKWARE
quantumSet = false;

29
src/shared_context.h
View File

@@ -14,6 +14,7 @@
#include "uint256.h"
#include "tokens.h"
#include "chainConfig.h"
#include "eth_plugin_interface.h"
#define MAX_BIP32_PATH 10
@@ -30,23 +31,25 @@ typedef struct internalStorage_t {
} internalStorage_t;
typedef struct tokenContext_t {
#ifdef HAVE_STARKWARE
uint8_t data[4 + 32 + 32 + 32 + 32];
#else
uint8_t data[4 + 32 + 32];
#endif
uint32_t dataFieldPos;
char pluginName[PLUGIN_ID_LENGTH];
uint8_t pluginAvailable;
uint8_t data[32];
uint8_t fieldIndex;
uint8_t fieldOffset;
uint8_t pluginUiMaxItems;
uint8_t pluginUiCurrentItem;
uint8_t pluginUiState;
uint8_t pluginContext[3 * 32];
#ifdef HAVE_STARKWARE
uint8_t quantum[32];
uint8_t quantumIndex;
#endif
} tokenContext_t;
typedef struct rawDataContext_t {
uint8_t data[32];
uint8_t fieldIndex;
uint8_t fieldOffset;
} rawDataContext_t;
} tokenContext_t;
typedef struct publicKeyContext_t {
cx_ecfp_public_key_t publicKey;
@@ -104,7 +107,6 @@ typedef struct starkContext_t {
typedef union {
tokenContext_t tokenContext;
rawDataContext_t rawDataContext;
#ifdef HAVE_STARKWARE
starkContext_t starkContext;
#endif
@@ -165,7 +167,6 @@ extern uint8_t dataAllowed;
extern uint8_t contractDetails;
extern bool dataPresent;
extern uint8_t appState;
extern contract_call_t contractProvisioned;
#ifdef HAVE_STARKWARE
extern bool quantumSet;
#endif