kolibrios/programs/other/TinyHashView/thashview.c

/* Copyright (C) 2019-2021 Logaev Maxim (turbocat2001), GPLv2 */

#include <sys/ksys.h>
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <cryptal/md5.h>
#include <cryptal/sha1.h>
#include <cryptal/sha256.h>
#include <clayer/dialog.h>
#include <clayer/boxlib.h>

#define TRUE 1;
#define FALSE 0;
#define MAX_HASH_LEN 65 // Œ ªá¨¬ «ì­ ï ¤«¨­  áâப¨
#define WINDOW_W 665
#define VERSION "%s - thashview 2.6.2"
#define EDIT_TEXT_SIZE 0x10000000
#define DATA(type, addr, offset) *((type*)((uint8_t*)addr+offset))

ksys_colors_table_t sys_color_table;

char hash_str_md5[MAX_HASH_LEN]=   "Click the 'MD5:' button to show the md5-checksum!"; //‚뢮¤ MD5
char hash_str_sha1[MAX_HASH_LEN]=  "Click the 'SHA1:' button to show the sha1-checksum!"; //‚뢮¤ SHA1
char hash_str_sha256[MAX_HASH_LEN]="Click the 'SHA256:' button to show the sha256-checksum!"; //‚뢮¤ SHA256
char edit_box_buff[MAX_HASH_LEN]; // <20>ãää¥à ¤«ï ¢¢®¤ 
char *filename; // ˆ¬ï ®¡à ¡ â뢠¥¬®£® ä ©« 
char *title; // ‡ £®«®¢®ª ®ª­ 

enum MYCOLORS // –¢¥â 
{
    GREEN = 0x067D06 | EDIT_TEXT_SIZE,
    RED   = 0xFF0000 | EDIT_TEXT_SIZE,
    BLACK = 0x000000 | EDIT_TEXT_SIZE,
    WHITE = 0xFFFFFF,
    GREY  = 0x919191
};

edit_box hash_edit_box={WINDOW_W-140,10,121,WHITE,0,0,GREY,EDIT_TEXT_SIZE, MAX_HASH_LEN-1, edit_box_buff,NULL,ed_focus}; // ‘®§¤ ñ¬ áâàãªâãàã edit_box
int md5_flag=0, sha1_flag=0, sha256_flag=0; // ”« £¨ ¯®ª §ë¢ î騥 ¡ë«  «¨ 㦥 à ááç¨â ­  ª®â஫쭠ï á㬬  ¢ ä㭪樨 check_sum()

enum BUTTONS // Š­®¯ª¨ ¢ ¨­âà¥ä¥©á¥
{
    BTN_QUIT=1,        //‚ë室
    BTN_MD5 = 10,      //<2F> ááç¨â âì md5-ª®­â஫ì­ãî á㬬ã
    BTN_SHA1 = 20,     //<2F> ááç¨â âì sha1-ª®­â஫ì­ãî á㬬ã
    BTN_SHA256 = 30,   //<2F> ááç¨â âì sha256-ª®­â஫ì­ãî á㬬ã
    BTN_COPY_MD5= 11,  //‘ª®¯¨à®¢ âì ¢ ¡ãää¥à ®¡¬¥­ 
    BTN_COPY_SHA1= 21,
    BTN_COPY_SHA256=31,
    BTN_CMP=40,        //‘à ¢­¨âì edit_box ¨ ª®­â஫ì­ãî á㬬ã
    BTN_PASTE=50       //‚áâ ¢¨âì ¢ edit_box(¯®ª  ¢ ࠧࠡ®âª¥)
};

void notify_show(char *text)
{
   _ksys_exec("/sys/@notify", text);
}

void* safe_malloc(size_t size) // <20>¥§®¯ á­ë© malloc. <20>®ª §ë¢ ¥â 㢥¤®¬«¥­¨¥ ®¡ ®è¨¡ª¥ ¨ § ªà뢠¥â ¯à®£à ¬¬ã ¥á«¨ ¯ ¬ïâì ­¥ ¡ë«  ¢ë¤¥«¥­ 
{
    void *p=malloc(size);
    if(p==NULL){
       notify_show("'Memory allocation error!' -E");
       exit(0);
    }else{
        return p;
    }
}

void global_var_init(unsigned int size)  // ˆ­¨æ¨ «¨§¨àãîâáï £«®¡ «ì­ë¥ ¬ áᨢë
{
  filename=safe_malloc(size);
  title=safe_malloc(size+20);
}

/* ”㭪樨 £¥­¥à æ¨¨ ª®­â஫ì­ëå á㬬 */
void md5_hash(FILE* input, BYTE* hash )
{
    int input_size;
    BYTE *temp_buffer;
    temp_buffer=safe_malloc(1024);
    MD5_CTX ctx;
    md5_init(&ctx);
    while((input_size = fread(temp_buffer, 1, 1024, input)) > 0){
                md5_update(&ctx, temp_buffer, input_size);
    }
    md5_final(&ctx, hash);
    free(temp_buffer);
}

void sha1_hash(FILE* input, BYTE* hash )
{
    int input_size;
    BYTE *buffer;
    buffer=safe_malloc(1024);
    SHA1_CTX ctx;
    sha1_init(&ctx);
    while((input_size = fread(buffer, 1, 1024, input)) > 0){
                sha1_update(&ctx, buffer, input_size);
    }
    sha1_final(&ctx, hash);
    free(buffer);
}

void sha256_hash(FILE* input, BYTE* hash )
{
    int input_size;
    BYTE *buffer;
    buffer=safe_malloc(1024);
    SHA256_CTX ctx;
    sha256_init(&ctx);
    while((input_size = fread(buffer, 1, 1024, input)) > 0){
                sha256_update(&ctx, buffer, input_size);
    }
    sha256_final(&ctx, hash);
    free(buffer);
}


BYTE* check_sum(int alg) // ƒ¥­¥à¨à㥬 ª®­â஫ì­ë¥ áã¬¬ë ¨á¯®«ì§ãï ®¤¨­ ¨§  «£®à¨â¬®¢
{
    FILE* input_file;
    BYTE *hash;
    input_file=fopen(filename,"rb");
    hash = safe_malloc(alg);
    switch (alg)
    {
        case MD5_BLOCK_SIZE :
            md5_hash(input_file, hash);
            md5_flag=1;
        break;

        case SHA1_BLOCK_SIZE :
            sha1_hash(input_file, hash);
            sha1_flag=1;
        break;

        case SHA256_BLOCK_SIZE :
            sha256_hash(input_file, hash);
            sha256_flag=1;
        break;
    }
    fclose(input_file);
    return hash;
}

void sprint_hash(BYTE *hash, char* hash_str, int hash_size) //<2F>८¡à ã¥¬ ¤¢®¨ç­ë¥ ¤ ­­ë¥ ¨§ hash ¢ áâபã hash_str
{
    char block[3];
    memset(hash_str, 0, MAX_HASH_LEN); // Žç¨é ¥¬ áâப㠤«ï strcat
    for(int i=0; i<hash_size; i++)
    {
        sprintf(block,"%02x", hash[i]);
        strcat(hash_str,block);
    }
    free(hash);
}

void redraw_window() //<2F>¨á㥬 ®ª­®
{
    sprintf(title,VERSION, filename); // “áâ ­ ¢«¨¢ ¥¬ § £®«®¢®ª ®ª­ 
    ksys_pos_t win_pos = _ksys_get_mouse_pos(KSYS_MOUSE_SCREEN_POS); // <20>®«ãç ¥¬ ª®®à¤¨­ âë ªãàá®à 
    _ksys_start_draw(); //<2F> ç¨­ ¥¬ à¨á®¢ ­¨¥ ¨­â¥àä¥©á  )
    _ksys_create_window(win_pos.x, win_pos.y, WINDOW_W, 150, title, sys_color_table.work_area, 0x14); // ‘®§¤ ñ¬ ®ª­®.
    edit_box_draw(&hash_edit_box); // <20>¨á㥬 edit_box

    _ksys_define_button(10, 30, 60, 20, BTN_MD5, GREEN); // Ž¯à¥¤¥«ï¥¬ ª­®¯ªã md5
    _ksys_define_button(10, 60, 60, 20, BTN_SHA1, GREEN);// Ž¯à¥¤¥«ï¥¬ ª­®¯ªã sha1
    _ksys_define_button(10, 90, 60, 20, BTN_SHA256, GREEN);// Ž¯à¥¤¥«ï¥¬ ª­®¯ªã sha256

    _ksys_draw_text("MD5:", 15, 34, 0,   0x90000000 | sys_color_table.work_button_text); // <20>¨é¥¬ ⥪áâ ­  ª­®¯ª å
    _ksys_draw_text("SHA1:", 15, 64, 0,  0x90000000 | sys_color_table.work_button_text);
    _ksys_draw_text("SHA256:", 15,94, 0, 0x90000000 | sys_color_table.work_button_text);

    _ksys_draw_text(hash_str_md5, 80, 34, 0, 0x90000000 | sys_color_table.work_text); // ‚뢮¤¨¬ ª®­â஫ì­ë¥ áã¬¬ë ¢ ®ª­®
    _ksys_draw_text(hash_str_sha1, 80, 64, 0, 0x90000000 | sys_color_table.work_text);
    _ksys_draw_text(hash_str_sha256, 80, 94, 0, 0x90000000| sys_color_table.work_text);

    
    _ksys_define_button(610, 30, 42, 20, BTN_COPY_MD5, sys_color_table.work_button); // Ž¯à¥¤¥«ï¥¬ ª­®¯ª¨ ¤«ï ª®¯¨à®¢ ­¨ï
    _ksys_define_button(610, 60, 42, 20, BTN_COPY_SHA1, sys_color_table.work_button);
    _ksys_define_button(610, 90, 42, 20, BTN_COPY_SHA256, sys_color_table.work_button);

    _ksys_draw_text("Copy", 615, 34, 0,   0x90000000 | sys_color_table.work_button_text); // <20>¨è¥¬ copy ­  ¢á¥å ª­®¯ª å ¤«ï ª®¯¨à®¢ ­¨ï
    _ksys_draw_text("Copy", 615, 64, 0,  0x90000000 | sys_color_table.work_button_text);
    _ksys_draw_text("Copy", 615, 94, 0, 0x90000000 | sys_color_table.work_button_text);

    _ksys_define_button(592, 120, 60, 20, BTN_CMP, GREEN); // Ž¯à¥¤¥«ï¥¬ ª­®¯ªã ¤«ï áà ¢­¥­¨ï ª®­â®«ì­ëå á㬬
    _ksys_draw_text("Compare", 595, 124 , 0,0x90000000 | sys_color_table.work_button_text); // <20>¨è¥¬ â¥ªá ­  ª­®¯ª¥.
    _ksys_define_button(540, 120, 45, 20, BTN_PASTE, sys_color_table.work_button); //Š­®¯ª  ¤«ï ¢áâ ¢ª¨ (­¥à ¡®â ¥â)
    _ksys_draw_text("Paste", 543, 124 , 0,0x90000000 | sys_color_table.work_button_text); // ’¥ªáâ paste ­  ª­®¯ª¥
    _ksys_end_draw();
}

void paste_to_edit_buffer()    // ‚áâ ¢¨âì ¨§ ¡ãää¥à  ®¡¬¥­ 
{
    char *temp_buff=NULL;
    if(_ksys_clip_num()>0){
        temp_buff=_ksys_clip_get(_ksys_clip_num()-1);
        memset(edit_box_buff,0,MAX_HASH_LEN);
        if(DATA(int, temp_buff,0)>0 && DATA(int,temp_buff,4)==KSYS_CLIP_TEXT && DATA(int,temp_buff,8)==KSYS_CLIP_CP866){
            strncpy(edit_box_buff,temp_buff+12, MAX_HASH_LEN-1);
            edit_box_set_text(&hash_edit_box,edit_box_buff);
            notify_show("'Pasted from clipboard!' -I");
            hash_edit_box.text_color = BLACK;
            free(temp_buff);
        }
    }
}

void copy_to_clipboard(char *text) // Š®¯¨à®¢ âì ¢ ¡ãä¥à ®¡¬¥­ 
{
    int text_hash_len = strlen(text)/2;
    if(text_hash_len==MD5_BLOCK_SIZE  ||
       text_hash_len==SHA1_BLOCK_SIZE || 
       text_hash_len==SHA256_BLOCK_SIZE) // …᫨ ⥪áâ ï¥âáï åíè-áâப®©
    {
        char *temp_buffer=safe_malloc(MAX_HASH_LEN+12); // ‚뤥«ï¥¬ ¯ ¬ïâì ¤«ï ¢à¥¬­­®£® ¡ãä¥à 
        memset(temp_buffer, 0, MAX_HASH_LEN);   // ‡ ­ã«ï¥¬ ¡ãä¥à
        DATA(char,temp_buffer,4)=KSYS_CLIP_TEXT;     // “áâ ­ ¢«¨¢ ¥¬ TEXT ¤«ï ¡ãä¥à (‘¬¥é¥­¨¥ 4 ¡ ©â )
        DATA(char,temp_buffer,8)=KSYS_CLIP_CP866;    // “áâ ­ ¢«¨¢ ¥¬ ª®¤¨à®¢ªã CP866(‘¬¥é¥­¨¥ 8 ¡ ©â)
        strncpy(temp_buffer+12, text, MAX_HASH_LEN-1); // Š®¯¨à㥬 ¤ ­­ë¥ ¨§ text ¢® ¢à¥¬¥­­ë© ¡ãä¥à(‘¬¥é¥­¨¥ 12 ¡ ©â)
        _ksys_clip_set(strlen(text)+12, temp_buffer); // ‚믮«­ï¥¬ á¨á⥬­ë© ¢ë§®¢ ¨ ¯¥à¥¬¥é ¥¬ ¤ ­­ë¥ ¨§ ¢à¥¬¥­­®£® ¡ãä¥à  ¢ ¡ãä¥à ®¡¬¥­ 
        notify_show("'Copied to clipboard!' -I");   
        free(temp_buffer); // Žá¢®¡®¦ ¥¬ ¢à¥¬¥­­ë© ¡ãä¥à.
    }
}

void print_pending_calc(char *str) // ‚뢮¤¨¬ á®®¡é¥­¨¥ ® ⮬ çâ® ª®­â஫쭠ï á㬬¬  ¢ëç¨á«ï¥âáï.
{
  strcpy(str, "Please wait! Calculating checksum...");
  redraw_window();
}

bool calc_and_cmp(char *hash_str_universal,int alg) // ‚ëç¨á«ï¥¬ ª®­â஫ì­ãî á㬬㠨 áà ¢­¨¢ ¥¬ á edit_box_buff.
{
   print_pending_calc(hash_str_universal);
   sprint_hash(check_sum(alg),hash_str_universal, alg);
   return !strcmp(edit_box_buff, hash_str_universal);
}

bool hash_compare() // ƒ« ¢­ ï äã­ªæ¨ï ¤«ï áà ¢­¥­¨ï
{
   int alg=strlen(edit_box_buff)/2;
   switch (alg){ // …᫨ ¢ëç¨á«¥­¨ï ¥éñ ­¥¡ë«®
        case MD5_BLOCK_SIZE:
            if(md5_flag){
                return !strcmp(edit_box_buff,hash_str_md5);
            }else{
                return calc_and_cmp(hash_str_md5,alg);
            }
            break;
        case SHA1_BLOCK_SIZE:
            if(sha1_flag){
                return !strcmp(edit_box_buff,hash_str_sha1);
            }else{
                return calc_and_cmp(hash_str_sha1,alg);
            }
            break;
        case SHA256_BLOCK_SIZE:
            if(sha256_flag){
                return !strcmp(edit_box_buff,hash_str_sha256);
            }else{
                return calc_and_cmp(hash_str_sha256,alg);
            }
            break;
        default:
            return FALSE;
            break;
    }
}

int main(int argc, char** argv)
{
    kolibri_boxlib_init(); // ‡ £à㦠¥¬ boxlib
    if(argc<2){ // …᫨  à£ã¬¥­â®¢ ­¥â, â® § ¯ã᪠¥¬ ¤¨ «®£ ¢ë¡®à  ä 
        kolibri_dialog_init(); // § £à㦠¥¬ proc_lib(libdialog)
        open_dialog* dialog = kolibri_new_open_dialog(OPEN,0, 0, 420, 320);
        OpenDialog_init(dialog);
        OpenDialog_start(dialog); 
        if(dialog->status==SUCCESS){ // …᫨ ä ©« ¢ë¡à ­
            global_var_init(strlen(dialog->openfile_path));
            strcpy(filename, dialog->openfile_path);  
        }else{ // …᫨ ä ©« ­¥ ¢ë¡à ­
            notify_show("'No file selected!' -E");
            exit(0);
        }
        free(dialog);
    }else{
        global_var_init(strlen(argv[1]));
        strcpy(filename, argv[1]);
    }

    if(NULL==fopen(filename,"rb")){ // …᫨ ä ©«  ­¥â ¨«¨ ­¥ ®âªà뢠¥âáï
        notify_show("'File not found!' -E");
        exit(0);
    }
    if(_ksys_screen_size().x<WINDOW_W){
        notify_show("'Low screen resolution! Program will not display correctrly!' -W");
    }

    int gui_event; // <20>¥à¥¬¥­­ ï ¤«ï åà ­¥­¨ï ᮡëâ¨ï
    uint32_t pressed_button = 0; // Š®¤ ­ ¦ â®© ª­®¯ª¨ ¢ ®ª­¥

    _ksys_get_system_colors(&sys_color_table);
    hash_edit_box.shift_color=sys_color_table.work_button;

    _ksys_set_event_mask(0xC0000027);// “áâ ­ ¢«¨¢ ¥¬ ¬ áªã ᮡë⨩
    do // –¨ª« ®¡à ¡®âª¨ ᮡë⨩
    {
        gui_event = _ksys_get_event(); // <20>®«ãç ¥¬ ᮡë⨥
        switch(gui_event){ // Ž¡à ¡ â뢠¥¬ ᮡëâ¨ï
            case KSYS_EVENT_NONE:
                break;
            case KSYS_EVENT_REDRAW:
                redraw_window();
                break;
            case KSYS_EVENT_MOUSE:
                edit_box_mouse(&hash_edit_box);
                break;        
            case KSYS_EVENT_KEY:
                hash_edit_box.text_color = BLACK;
                edit_box_key(&hash_edit_box, _ksys_get_key().val);
                break;
            case KSYS_EVENT_BUTTON: // ‘®¡ë⨥ ®¡à ¡®âª¨ ª­®¯®ª
                pressed_button = _ksys_get_button(); // <20>®«ã祭¨¥ ª®¤  ­ ¦ â®© ª­®¯ª¨.
                switch (pressed_button){ // <20>஢¥àª  ª ª ï ª­®¯ª  ¡ë«  ­ ¦ â 
                    case BTN_MD5:
                        print_pending_calc(hash_str_md5);
                        sprint_hash(check_sum(MD5_BLOCK_SIZE),hash_str_md5, MD5_BLOCK_SIZE);
                        break;
                    case BTN_SHA1:
                        print_pending_calc(hash_str_sha1);
                        sprint_hash(check_sum(SHA1_BLOCK_SIZE),hash_str_sha1, SHA1_BLOCK_SIZE);
                        break;
                    case BTN_SHA256:
                        print_pending_calc(hash_str_sha256);
                        sprint_hash(check_sum(SHA256_BLOCK_SIZE),hash_str_sha256, SHA256_BLOCK_SIZE);
                        break;
                    case BTN_COPY_MD5:
                        copy_to_clipboard(hash_str_md5);
                        break;
                    case BTN_COPY_SHA1:
                        copy_to_clipboard(hash_str_sha1);
                        break;
                    case BTN_COPY_SHA256:
                        copy_to_clipboard(hash_str_sha256);
                        break;
                    case BTN_PASTE:
                        paste_to_edit_buffer();
                        break;
                    case BTN_CMP:
                        if(hash_compare()){
                            notify_show("'The checksum matches :)' -OK");
                            hash_edit_box.text_color = GREEN; // “áâ ­ ¢«¨¢ ¥¬ ⥪áâ ¢¢®¤  §¥«ñ­ë¬ ¥á«¨ ª®­â஫쭠ï á㬬  ᮢ¯ ¤ ¥â
                        }else{
                            notify_show("'The checksum does not match! :(' -W");
                            hash_edit_box.text_color = RED; // “áâ ­ ¢«¨¢ ¥¬ ⥪áâ ¢¢®¤  ªà á­ë¬ ¥á«¨ ª®­â஫쭠ï áã¬¬ë ­¥ ᮢ¯ ¤ ¥â
                        }
                        break;
                    case BTN_QUIT:
                        exit(0);
                        break;
                }
                redraw_window();
                break; 
        }
    }while(1);
    return 0;
}