83 lines
1.5 KiB
C++
83 lines
1.5 KiB
C++
#pragma once
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#include <fstream>
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#include "buffer.h"
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struct Pass
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{
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char label[20];
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char password[20];
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Pass()
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{
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memset(label, 0, 20);
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memset(password, 0, 20);
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};
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};
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bool find_password(Buffer* buff, char* label, char* password)
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{
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Pass* passwords = (Pass*)buff->buffer;
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for (int i = 0; i < buff->taken / sizeof(Pass); i++)
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{
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if (!strcmp(passwords[i].label, label))
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{
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strcpy_s(password, 20, passwords[i].password);
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return true;
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}
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}
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return false;
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}
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void generate_password(char* password)
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{
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srand(time(NULL));
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char characters[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789~!@#$%^&*()_-+={[}]|:;<,>.?";
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for (int i = 0; i < 15; i++)
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{
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password[i] = characters[rand() % (sizeof(characters) - 1)];
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}
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password[15] = '\0';
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}
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bool save_buffer_to_file(Buffer* buffer)
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{
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std::ofstream file("passwords.bin", std::ios::binary);
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if (!file.is_open())
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{
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printf_s("Error saving file\n");
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return false;
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}
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file.write((char*)buffer->buffer, buffer->taken);
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file.close();
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return true;
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}
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bool load_buffer_from_file(Buffer* buffer)
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{
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std::ifstream file("passwords.bin", std::ios::binary);
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if (!file.is_open()) return false;
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file.seekg(0, std::ios::end);
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buffer->resize(file.tellg());
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file.seekg(0, std::ios::beg);
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file.read((char*)buffer->buffer, buffer->size);
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if (file)
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buffer->taken = buffer->size;
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else
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buffer->taken = file.gcount();
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file.close();
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return true;
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}
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void print_usage()
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{
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printf_s("Usage:\n");
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printf_s("password_manager.exe <label>\n");
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printf_s("password_manager.exe -g <label>\n");
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} |