funnydman

Introduction

• C-a == Ctrl-a
• M-a == Alt-a

General

:q        close
:w        write/saves
:wa[!]    write/save all windows [force]
:wq       write/save and close

funnydman

Про токены, JSON Web Tokens (JWT), аутентификацию и авторизацию. Token-Based Authentication

Last major update: 20.04.2020

• Что такое авторизация/аутентификация
• Где хранить токены
• Как ставить куки ?
• Процесс логина
• Процесс рефреш токенов
• Кража токенов/Механизм контроля токенов

funnydman

Vim Script for Python Developers

A guide to Vim Script development for Python developers. Sample code for the various expressions, statements, functions and programming constructs is shown in both Python and Vim Script. This is not intended to be a tutorial for developing Vim scripts. It is assumed that the reader is familiar with programming in Python.

For an introduction to Vim Script development, refer to usr_41.txt, eval.txt and Learn Vimscript the Hard Way

---

Variables

funnydman

radare2

load without any analysis (file header at offset 0x0): r2 -n /path/to/file

• analyze all: aa
• show sections: iS
• list functions: afl
• list imports: ii
• list entrypoints: ie
• seek to function: s sym.main

funnydman

; src/boot/boot.asm
; Bootloader to load kernel, switch to 32-bit protected mode and execute kernel

[BITS 16]                               ; 16-bit real mode
[ORG 0x7C00]                            ; Loaded into memory at 0x7C00

MOV [bootDrive], DL                     ; Store DL (boot drive number) in memory

MOV BP, 0x9000                          ; Move Base Pointer in free memory space
MOV SP, BP                              ; Move Stack Pointer to base of stack

funnydman

;----------------------------------------------;
;
; A minimal bootloader that prints a hello world
; then halts.
;
; nasm -f bin hello-boot.asm -o hello-boot.bin
;
; @YouriAckx
;
;----------------------------------------------;

funnydman

;----------------------------------------------;
;
; A minimal bootloader that prints a hello world
; then halts.
;
; nasm -f bin hello-boot.asm -o hello-boot.bin
;
; @YouriAckx
;
;----------------------------------------------;

funnydman

;          1         2         3         4         5         6         7
;01234567890123456789012345678901234567890123456789012345678901234567890
;=======================================================================
;+---------------------------------------------------------------------+
;|                                                                     |
;|    Example using FPU registers for floating point calculations.     |
;|                                                                     |
;|    The purpose of this source code is to demonstrate on how to      |
;|    do floating-point operations using FPU registers.                |
;|                                                                     |

funnydman

ASM=nasm
ISO=genisoimage -input-charset utf-8 -boot-load-size 4 -no-emul-boot -r

all: boot.iso

boot.bin: boot.asm
	$(ASM) -o boot.bin boot.asm

boot.iso: boot.bin
	mkdir iso/