Systemsicherheit/Assignment 7 - SGX Hands-on/SGX101_sample_code-master/PasswordWallet/app/utils.cpp

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#include <stdio.h>
#include <cstring>
#include "utils.h"
#include "app.h"
#include "wallet.h"
#include "enclave.h"
void info_print(const char* str) {
printf("[INFO] %s\n", str);
}
void warning_print(const char* str) {
printf("[WARNING] %s\n", str);
}
void error_print(const char* str) {
printf("[ERROR] %s\n", str);
}
void print_wallet(const wallet_t* wallet) {
printf("\n-----------------------------------------\n\n");
printf("Simple password wallet based on Intel SGX.\n\n");
printf("Number of items: %lu\n\n", wallet->size);
for (int i = 0; i < wallet->size; ++i) {
printf("#%d -- %s\n", i, wallet->items[i].title);
printf("[username:] %s\n", wallet->items[i].username);
printf("[password:] %s\n", wallet->items[i].password);
printf("\n");
}
printf("\n------------------------------------------\n\n");
}
int is_error(int error_code) {
char err_message[100];
// check error case
switch(error_code) {
case RET_SUCCESS:
return 0;
case ERR_PASSWORD_OUT_OF_RANGE:
sprintf(err_message, "Password should be at least 8 characters long and at most %d.", MAX_ITEM_SIZE);
break;
case ERR_WALLET_ALREADY_EXISTS:
sprintf(err_message, "Wallet already exists: delete file '%s' first.", WALLET_FILE);
break;
case ERR_CANNOT_SAVE_WALLET:
strcpy(err_message, "Coud not save wallet.");
break;
case ERR_CANNOT_LOAD_WALLET:
strcpy(err_message, "Coud not load wallet.");
break;
case ERR_WRONG_MASTER_PASSWORD:
strcpy(err_message, "Wrong master password.");
break;
case ERR_WALLET_FULL:
sprintf(err_message, "Wallet full (maximum number of item: %d).", MAX_ITEMS);
break;
case ERR_ITEM_DOES_NOT_EXIST:
strcpy(err_message, "Item does not exist.");
break;
case ERR_ITEM_TOO_LONG:
sprintf(err_message, "Item too longth (maximum size: %d).", MAX_ITEM_SIZE);
break;
case ERR_FAIL_SEAL:
sprintf(err_message, "Fail to seal wallet.");
break;
case ERR_FAIL_UNSEAL:
sprintf(err_message, "Fail to unseal wallet.");
break;
default:
sprintf(err_message, "Unknown error.");
}
// print error message
error_print(err_message);
return 1;
}
void show_help() {
const char* command = "[-h Show this screen] [-v Show version] [-s Show wallet] " \
"[-n master-password] [-p master-password -c new-master-password]" \
"[-p master-password -a -x items_title -y items_username -z toitems_password]" \
"[-p master-password -r items_index]";
printf("\nusage: %s %s\n\n", APP_NAME, command);
}