Add ByeByeDPI. Closes #823

The main readme shows only the most recently committed features. But it will be more useful for the user to know the functionality of the version he has.

.github/ISSUE_TEMPLATE/bug.yml

@@ -1,28 +1,17 @@
-name: Bug Report / Сообщение об ошибке
+name: The program crashes, hangs, certain function does not work / Программа падает, зависает, отдельная функция не работает
 description: File a bug report / Сообщить об ошибке в программе
 
 body:
   - type: markdown
     attributes:
       value: |
-        ### USE THIS FORM ONLY FOR BUGS! The webside does not open? That's likely NOT a bug, do NOT report it here!
-        ### USE THIS FORM ONLY FOR BUGS! The webside does not open? That's likely NOT a bug, do NOT report it here!
-        ### USE THIS FORM ONLY FOR BUGS! The webside does not open? That's likely NOT a bug, do NOT report it here!
-        ### ИСПОЛЬЗУЙТЕ ЭТУ ФОРМУ ТОЛЬКО ДЛЯ БАГОВ! Веб-сайт не открывается? Это, скорее всего, не баг, не сообщайте сюда, ВЫ БУДЕТЕ ЗАБАНЕНЫ!
-        ### ИСПОЛЬЗУЙТЕ ЭТУ ФОРМУ ТОЛЬКО ДЛЯ БАГОВ! Веб-сайт не открывается? Это, скорее всего, не баг, не сообщайте сюда, ВЫ БУДЕТЕ ЗАБАНЕНЫ!
-        ### ИСПОЛЬЗУЙТЕ ЭТУ ФОРМУ ТОЛЬКО ДЛЯ БАГОВ! Веб-сайт не открывается? Это, скорее всего, не баг, не сообщайте сюда, ВЫ БУДЕТЕ ЗАБАНЕНЫ!
-        ### ИСПОЛЬЗУЙТЕ ЭТУ ФОРМУ ТОЛЬКО ДЛЯ БАГОВ! Веб-сайт не открывается? Это, скорее всего, не баг, не сообщайте сюда, ВЫ БУДЕТЕ ЗАБАНЕНЫ!
-        ### ИСПОЛЬЗУЙТЕ ЭТУ ФОРМУ ТОЛЬКО ДЛЯ БАГОВ! Веб-сайт не открывается? Это, скорее всего, не баг, не сообщайте сюда, ВЫ БУДЕТЕ ЗАБАНЕНЫ!
-        ### ИСПОЛЬЗУЙТЕ ЭТУ ФОРМУ ТОЛЬКО ДЛЯ БАГОВ! Веб-сайт не открывается? Это, скорее всего, не баг, не сообщайте сюда, ВЫ БУДЕТЕ ЗАБАНЕНЫ!
-        ### ИСПОЛЬЗУЙТЕ ЭТУ ФОРМУ ТОЛЬКО ДЛЯ БАГОВ! Веб-сайт не открывается? Это, скорее всего, не баг, не сообщайте сюда, ВЫ БУДЕТЕ ЗАБАНЕНЫ!
-        ### ИСПОЛЬЗУЙТЕ ЭТУ ФОРМУ ТОЛЬКО ДЛЯ БАГОВ! Веб-сайт не открывается? Это, скорее всего, не баг, не сообщайте сюда, ВЫ БУДЕТЕ ЗАБАНЕНЫ!
-        ### ИСПОЛЬЗУЙТЕ ЭТУ ФОРМУ ТОЛЬКО ДЛЯ БАГОВ! Веб-сайт не открывается? Это, скорее всего, не баг, не сообщайте сюда, ВЫ БУДЕТЕ ЗАБАНЕНЫ!
-        ### ИСПОЛЬЗУЙТЕ ЭТУ ФОРМУ ТОЛЬКО ДЛЯ БАГОВ! Веб-сайт не открывается? Это, скорее всего, не баг, не сообщайте сюда, ВЫ БУДЕТЕ ЗАБАНЕНЫ!
-        ### ИСПОЛЬЗУЙТЕ ЭТУ ФОРМУ ТОЛЬКО ДЛЯ БАГОВ! Веб-сайт не открывается? Это, скорее всего, не баг, не сообщайте сюда, ВЫ БУДЕТЕ ЗАБАНЕНЫ!
-        ### ИСПОЛЬЗУЙТЕ ЭТУ ФОРМУ ТОЛЬКО ДЛЯ БАГОВ! Веб-сайт не открывается? Это, скорее всего, не баг, не сообщайте сюда, ВЫ БУДЕТЕ ЗАБАНЕНЫ!
-        ### ИСПОЛЬЗУЙТЕ ЭТУ ФОРМУ ТОЛЬКО ДЛЯ БАГОВ! Веб-сайт не открывается? Это, скорее всего, не баг, не сообщайте сюда, ВЫ БУДЕТЕ ЗАБАНЕНЫ!
-        ### ИСПОЛЬЗУЙТЕ ЭТУ ФОРМУ ТОЛЬКО ДЛЯ БАГОВ! Веб-сайт не открывается? Это, скорее всего, не баг, не сообщайте сюда, ВЫ БУДЕТЕ ЗАБАНЕНЫ!
-        
+        ### Carefully read all the text IN FULL. Take this seriously.
+        ### Use this form only for software bug reports! The website does not open? That's likely NOT a bug, do NOT report it here! You have a question regarding the program? That's not a bug either!
+        #### If in doubt, [use NTC.party forum](https://ntc.party/c/community-software/goodbyedpi).
+        ### Внимательно прочитайте ВЕСЬ текст ниже. Отнеситесь к этому со всей ответственностью.
+        ### Используйте эту форму только для сообщений об ошибках в программе! Неоткрывающиеся сайты таковыми не являются, вопросы по программе к ошибкам не относятся.
+        #### Если у вас есть сомнения, [воспользуйтесь форумом NTC.party](https://ntc.party/c/community-software/goodbyedpi).
+
         GoodbyeDPI does not guarantee to work with your ISP for every blocked website or at all. If GoodbyeDPI can't unblock some or any websites, this is most likely not a software bug, and you should not report it here.
 
         Please only report software bugs, such as:
@@ -30,7 +19,8 @@ body:
           * incorrect network packet handling
           * antivirus incompatibility
           * DNS redirection problems
-          * other software 
+          * memory leaks
+          * other software issues
 
         Please make sure to check other opened and closed issues, it could be your bug has been reported already.
         For questions, or if in doubt, [use NTC.party forum](https://ntc.party/c/community-software/goodbyedpi).
@@ -43,10 +33,21 @@ body:
           * некорректная обработка сетевых пакетов
           * несовместимость с антивирусами
           * проблемы с перенаправлением DNS
+          * утечки памяти
           * другие ошибки в программе
 
         Также посмотрите другие открытые и закрытые баги. Возможно, ошибка уже обсуждалась или исправлена.
         Для вопросов, а также в случае сомнений в определении бага, обращайтесь [на форум NTC.party](https://ntc.party/c/community-software/goodbyedpi).
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: CAPTCHA
+      description: Confirm that you have read the text above / Подтвердите, что вы прочитали текст выше
+      options:
+        - label: I understand I could be banned from the repository if I misusing issue section not for posting bugs, but for question or 'broken website' report. / Я понимаю, что меня могут заблокировать в репозитории, если я буду использовать раздел issue не для сообщений об ошибках, а для вопросов или сообщении о «неработающем веб-сайте».
+          required: true
+    validations:
+      required: true
   - type: input
     id: os
     attributes:

.github/ISSUE_TEMPLATE/config.yml

@@ -1,5 +1,13 @@
 blank_issues_enabled: false
 contact_links:
+  - name: The program worked yesterday but not today / Программа работала вчера, но перестала работать сегодня
+    url: https://ntc.party/c/community-software/goodbyedpi/8
+    about: Visit support community forum, people will certainly help you! / Посетите форум поддержки, где сообщество вам поможет!
+
+  - name: Сertain website is still unreachable / Отдельный веб-сайт всё ещё недоступен
+    url: https://ntc.party/c/community-software/goodbyedpi/8
+    about: That could be solved with community support! / Проблема будет решена силами сообщества!
+
   - name: Questions about the program / Вопросы по програме
     url: https://ntc.party/c/community-software/goodbyedpi/8
     about: Please ask and answer questions on forum / Пожалуйста, задавайте вопросы только на форуме

.github/ISSUE_TEMPLATE/feature.yml

@@ -1,4 +1,4 @@
-name:  Feature request / Предложить новую функциональность 
+name:  Feature request / Предложить новую функциональность
 description:  Suggest an idea or function for this project / Предложить новую идею или функциональность в программе
 
 body:

.github/workflows/clang-format-check

@@ -1,17 +0,0 @@
-name: Clang Format Checker
-on:
-  push:
-    paths:
-      - 'src/**'
-  pull_request:
-    paths:
-      - 'src/**'
-env:
- BRANCH_NAME: master
-jobs:
-  check-format:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: wolletd/clang-format-checker@v1
-        with:
-          target-ref: ${{ env. BRANCH_NAME }}     # required, merge target

.gitignore

@@ -0,0 +1,2 @@
+*.o
+*.exe

README.md

@@ -19,6 +19,8 @@ If it works — congratulations! You can use it as-is or configure further.
 
 Download [latest version from Releases page](https://github.com/ValdikSS/GoodbyeDPI/releases) and run.
 
+## Supported arguments
+To get relevant information about your version of the program, use the -h (--help) argument at startup.
 ```
 Usage: goodbyedpi.exe [OPTION...]
  -p          block passive DPI
@@ -64,6 +66,17 @@ Usage: goodbyedpi.exe [OPTION...]
  --reverse-frag           fragment (split) the packets just as --native-frag, but send them in the
                           reversed order. Works with the websites which could not handle segmented
                           HTTPS TLS ClientHello (because they receive the TCP flow "combined").
+ --fake-from-hex <value>  Load fake packets for Fake Request Mode from HEX values (like 1234abcDEF).
+                          This option can be supplied multiple times, in this case each fake packet
+                          would be sent on every request in the command line argument order.
+ --fake-with-sni <value>  Generate fake packets for Fake Request Mode with given SNI domain name.
+                          The packets mimic Mozilla Firefox 130 TLS ClientHello packet
+                          (with random generated fake SessionID, key shares and ECH grease).
+                          Can be supplied multiple times for multiple fake packets.
+ --fake-gen <value>       Generate random-filled fake packets for Fake Request Mode, value of them
+                          (up to 30).
+ --fake-resend <value>    Send each fake packet value number of times.
+                          Default: 1 (send each packet once).
  --max-payload [value]    packets with TCP payload data more than [value] won't be processed.
                           Use this option to reduce CPU usage by skipping huge amount of data
                           (like file transfers) in already established sessions.
@@ -86,7 +99,7 @@ Modern modesets (more stable, more compatible, faster):
 
  Note: combination of --wrong-seq and --wrong-chksum generates two different fake packets.
 ```
-
+## How to check
 To check if your ISP's DPI could be circumvented, first make sure that your provider does not poison DNS answers by enabling "Secure DNS (DNS over HTTPS)" option in your browser.
 
 * **Chrome**: Settings → [Privacy and security](chrome://settings/security) → Use secure DNS → With: NextDNS
@@ -141,7 +154,8 @@ Modify them according to your own needs.
 # Known issues
 
 * Horribly outdated Windows 7 installations are not able to load WinDivert driver due to missing support for SHA256 digital signatures. Install KB3033929 [x86](https://www.microsoft.com/en-us/download/details.aspx?id=46078)/[x64](https://www.microsoft.com/en-us/download/details.aspx?id=46148), or better, update the whole system using Windows Update.
-* Intel/Qualcomm Killer network cards: `Advanced Stream Detect` in Killer Control Center is incompabitle with GoodbyeDPI, [disable it](https://github.com/ValdikSS/GoodbyeDPI/issues/541#issuecomment-2296038239).
+* Intel/Qualcomm Killer network cards: `Advanced Stream Detect` in Killer Control Center is incompatible with GoodbyeDPI, [disable it](https://github.com/ValdikSS/GoodbyeDPI/issues/541#issuecomment-2296038239).
+* QUIK trading software [may interfere with GoodbyeDPI](https://github.com/ValdikSS/GoodbyeDPI/issues/677#issuecomment-2390595606). First start QUIK, then GoodbyeDPI.
 * ~~Some SSL/TLS stacks unable to process fragmented ClientHello packets, and HTTPS websites won't open. Bug: [#4](https://github.com/ValdikSS/GoodbyeDPI/issues/4), [#64](https://github.com/ValdikSS/GoodbyeDPI/issues/64).~~ Fragmentation issues are fixed in v0.1.7.
 * ~~ESET Antivirus is incompatible with WinDivert driver [#91](https://github.com/ValdikSS/GoodbyeDPI/issues/91). This is most probably antivirus bug, not WinDivert.~~
 
@@ -155,8 +169,9 @@ Modify them according to your own needs.
 - **[PowerTunnel](https://github.com/krlvm/PowerTunnel)** by @krlvm (for Windows, MacOS and Linux)
 - **[PowerTunnel for Android](https://github.com/krlvm/PowerTunnel-Android)** by @krlvm (for Android)
 - **[SpoofDPI](https://github.com/xvzc/SpoofDPI)** by @xvzc (for macOS and Linux)
+- **[SpoofDPI-Platform](https://github.com/r3pr3ss10n/SpoofDPI-Platform)** by @r3pr3ss10n (for Android, macOS, Windows)
 - **[GhosTCP](https://github.com/macronut/ghostcp)** by @macronut (for Windows)
-- **[ByeDPI](https://github.com/hufrea/byedpi)** for Linux/Windows + **[ByeDPIAndroid](https://github.com/dovecoteescapee/ByeDPIAndroid/)** for Android (no root)
+- **[ByeDPI](https://github.com/hufrea/byedpi)** for Linux/Windows + **[ByeDPIAndroid](https://github.com/dovecoteescapee/ByeDPIAndroid/)** / **[ByeByeDPI](https://github.com/romanvht/ByeByeDPI/)** for Android (no root)
 - **[youtubeUnblock](https://github.com/Waujito/youtubeUnblock/)** by @Waujito (for OpenWRT/Entware routers and Linux)
 
 # Kudos

src/fakepackets.c

@@ -1,5 +1,7 @@
 #include <stdio.h>
+#define _CRT_RAND_S
 #include <stdlib.h>
+#include <stdbool.h>
 #include <ctype.h>
 #include <unistd.h>
 #include <in6addr.h>
@@ -7,6 +9,15 @@
 #include "windivert.h"
 #include "goodbyedpi.h"
 
+struct fake_t {
+    const unsigned char* data;
+    size_t size;
+};
+
+static struct fake_t *fakes[30] = {0};
+int fakes_count = 0;
+int fakes_resend = 1;
+
 static const unsigned char fake_http_request[] = "GET / HTTP/1.1\r\nHost: www.w3.org\r\n"
                                                  "User-Agent: curl/7.65.3\r\nAccept: */*\r\n"
                                                  "Accept-Encoding: deflate, gzip, br\r\n\r\n";
@@ -46,6 +57,91 @@ static const unsigned char fake_https_request[] = {
     0x00, 0x00, 0x00, 0x00, 0x00
 };
 
+// Captured from Firefox 130.0.1
+static const unsigned char fake_clienthello_part0[] = { // 116 bytes
+    // TLS 1.2 ClientHello header (DD for length placeholder)
+    0x16, 0x03, 0x01, 0xDD, 0xDD, 0x01, 0x00, 0xDD, 0xDD, 0x03, 0x03,
+    // Random bytes (AA for placeholder)
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    // Random Session ID
+    0x20,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    // Cipher Suites
+    0x00, 0x22, 0x13, 0x01, 0x13, 0x03, 0x13, 0x02, 0xC0, 0x2B, 0xC0, 0x2F, 0xCC, 0xA9, 0xCC, 0xA8,
+    0xC0, 0x2C, 0xC0, 0x30, 0xC0, 0x0A, 0xC0, 0x09, 0xC0, 0x13, 0xC0, 0x14, 0x00, 0x9C, 0x00, 0x9D,
+    0x00, 0x2F, 0x00, 0x35,
+    // Compression Methods
+    0x01, 0x00,
+    // Extensions Length
+    0xDD, 0xDD,
+};
+// SNI: 00 00 L1 L1 L2 L2 00 L3 L3 (sni)
+// L1 = L+5, L2 = L+3, L3 = L // 9 + L bytes
+static const unsigned char fake_clienthello_part1[] = { // 523 bytes
+    // extended_master_secret
+    0x00, 0x17, 0x00, 0x00,
+    // renegotiation_info
+    0xFF, 0x01, 0x00, 0x01, 0x00,
+     // supported_groups
+    0x00, 0x0A, 0x00, 0x0E,
+    0x00, 0x0C, 0x00, 0x1D, 0x00, 0x17, 0x00, 0x18, 0x00, 0x19, 0x01, 0x00, 0x01, 0x01,
+    // ex_point_formats
+    0x00, 0x0B, 0x00, 0x02, 0x01, 0x00,
+    // session_ticket
+    0x00, 0x23, 0x00, 0x00,
+     // ALPN
+    0x00, 0x10, 0x00, 0x0E,
+    0x00, 0x0C, 0x02, 0x68, 0x32, 0x08, 0x68, 0x74, 0x74, 0x70, 0x2F, 0x31, 0x2E, 0x31,
+    // status_request
+    0x00, 0x05, 0x00, 0x05, 0x01, 0x00, 0x00, 0x00, 0x00,
+    // delegated_credentials
+    0x00, 0x22, 0x00, 0x0A, 0x00, 0x08, 0x04, 0x03, 0x05, 0x03, 0x06, 0x03, 0x02, 0x03,
+    // key_share
+    0x00, 0x33, 0x00, 0x6B, 0x00, 0x69, 0x00, 0x1D, 0x00, 0x20,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0x00, 0x17, 0x00, 0x41, 0x04,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    // supported_versions
+    0x00, 0x2B, 0x00, 0x05, 0x04, 0x03, 0x04, 0x03, 0x03,
+    // signature_algorithms
+    0x00, 0x0D, 0x00, 0x18, 0x00, 0x16, 0x04, 0x03, 0x05, 0x03, 0x06, 0x03, 0x08, 0x04, 0x08, 0x05,
+    0x08, 0x06, 0x04, 0x01, 0x05, 0x01, 0x06, 0x01, 0x02, 0x03, 0x02, 0x01,
+    // psk_key_exchange_modes
+    0x00, 0x2D, 0x00, 0x02, 0x01, 0x01,
+    // record_size_limit
+    0x00, 0x1C, 0x00, 0x02, 0x40, 0x01,
+    // encrypted_client_hello
+    0xFE, 0x0D, 0x01, 0x19, 0x00, 0x00, 0x01, 0x00, 0x01, 0xAA, 0x00, 0x20,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0x00, 0xEF,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+    0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA
+};
+// JA4: t13d1715h2_5b57614c22b0_5c2c66f702b0
+// JA4_r: t13d1715h2_002f,0035,009c,009d,1301,1302,1303,c009,c00a,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0017,001c,0022,0023,002b,002d,0033,fe0d,ff01_0403,0503,0603,0804,0805,0806,0401,0501,0601,0203,0201
+// JA3 Fullstring: 771,4865-4867-4866-49195-49199-52393-52392-49196-49200-49162-49161-49171-49172-156-157-47-53,0-23-65281-10-11-35-16-5-34-51-43-13-45-28-65037,29-23-24-25-256-257,0
+// JA3: b5001237acdf006056b409cc433726b0
+
 static int send_fake_data(const HANDLE w_filter,
                           const PWINDIVERT_ADDRESS addr,
                           const char *pkt,
@@ -54,7 +150,8 @@ static int send_fake_data(const HANDLE w_filter,
                           const BOOL is_https,
                           const BYTE set_ttl,
                           const BYTE set_checksum,
-                          const BYTE set_seq
+                          const BYTE set_seq,
+                          const struct fake_t *fake_data
                          ) {
     char packet_fake[MAX_PACKET_SIZE];
     WINDIVERT_ADDRESS addr_new;
@@ -66,6 +163,10 @@ static int send_fake_data(const HANDLE w_filter,
     PWINDIVERT_TCPHDR ppTcpHdr;
     unsigned const char *fake_request_data = is_https ? fake_https_request : fake_http_request;
     UINT fake_request_size = is_https ? sizeof(fake_https_request) : sizeof(fake_http_request) - 1;
+    if (fake_data) {
+        fake_request_data = fake_data->data;
+        fake_request_size = fake_data->size;
+    }
 
     memcpy(&addr_new, addr, sizeof(WINDIVERT_ADDRESS));
     memcpy(packet_fake, pkt, packetLen);
@@ -148,22 +249,26 @@ static int send_fake_request(const HANDLE w_filter,
                                   const BOOL is_https,
                                   const BYTE set_ttl,
                                   const BYTE set_checksum,
-                                  const BYTE set_seq
+                                  const BYTE set_seq,
+                                  const struct fake_t *fake_data
                                  ) {
     if (set_ttl) {
         send_fake_data(w_filter, addr, pkt, packetLen,
                           is_ipv6, is_https,
-                          set_ttl, FALSE, FALSE);
+                          set_ttl, FALSE, FALSE,
+                          fake_data);
     }
     if (set_checksum) {
         send_fake_data(w_filter, addr, pkt, packetLen,
                           is_ipv6, is_https,
-                          FALSE, set_checksum, FALSE);
+                          FALSE, set_checksum, FALSE,
+                          fake_data);
     }
     if (set_seq) {
         send_fake_data(w_filter, addr, pkt, packetLen,
                           is_ipv6, is_https,
-                          FALSE, FALSE, set_seq);
+                          FALSE, FALSE, set_seq,
+                          fake_data);
     }
     return 0;
 }
@@ -177,9 +282,18 @@ int send_fake_http_request(const HANDLE w_filter,
                                   const BYTE set_checksum,
                                   const BYTE set_seq
                                  ) {
-    return send_fake_request(w_filter, addr, pkt, packetLen,
-                          is_ipv6, FALSE,
-                          set_ttl, set_checksum, set_seq);
+    int ret = 0;
+    for (int i=0; i<fakes_count || i == 0; i++) {
+        for (int j=0; j<fakes_resend; j++)
+            if (send_fake_request(w_filter, addr, pkt, packetLen,
+                            is_ipv6, FALSE,
+                            set_ttl, set_checksum, set_seq,
+                            fakes[i]))
+            {
+                ret++;
+            }
+    }
+    return ret;
 }
 
 int send_fake_https_request(const HANDLE w_filter,
@@ -191,7 +305,137 @@ int send_fake_https_request(const HANDLE w_filter,
                                    const BYTE set_checksum,
                                    const BYTE set_seq
                                  ) {
-    return send_fake_request(w_filter, addr, pkt, packetLen,
+    int ret = 0;
+    for (int i=0; i<fakes_count || i == 0; i++) {
+        for (int j=0; j<fakes_resend; j++)
+            if (send_fake_request(w_filter, addr, pkt, packetLen,
                           is_ipv6, TRUE,
-                          set_ttl, set_checksum, set_seq);
+                          set_ttl, set_checksum, set_seq,
+                          fakes[i]))
+            {
+                ret++;
+            }
+    }
+    return ret;
+}
+
+static int fake_add(const unsigned char *data, size_t size) {
+    struct fake_t *fake = malloc(sizeof(struct fake_t));
+    fake->size = size;
+    fake->data = data;
+
+    for (size_t k = 0; k <= sizeof(fakes) / sizeof(*fakes); k++) {
+        if (!fakes[k]) {
+            fakes[k] = fake;
+            fakes_count++;
+            return 0;
+        }
+    }
+    return 3;
+}
+
+int fake_load_from_hex(const char *data) {
+    size_t len = strlen(data);
+    if (len < 2 || len % 2 || len > (1420 * 2))
+        return 1;
+
+    unsigned char *finaldata = calloc((len + 2) / 2, 1);
+
+    for (size_t i = 0; i<len - 1; i+=2) {
+        char num1 = data[i];
+        char num2 = data[i+1];
+        debug("Current num1: %X, num2: %X\n", num1, num2);
+        unsigned char finalchar = 0;
+        char curchar = num1;
+
+        for (int j=0; j<=1; j++) {
+            if (curchar >= '0' && curchar <= '9')
+                curchar -= '0';
+            else if (curchar >= 'a' && curchar <= 'f')
+                curchar -= 'a' - 0xA;
+            else if (curchar >= 'A' && curchar <= 'F')
+                curchar -= 'A' - 0xA;
+            else
+                return 2; // incorrect character, not a hex data
+
+            if (!j) {
+                num1 = curchar;
+                curchar = num2;
+                continue;
+            }
+            num2 = curchar;
+        }
+        debug("Processed num1: %X, num2: %X\n", num1, num2);
+        finalchar = (num1 << 4) | num2;
+        debug("Final char: %X\n", finalchar);
+        finaldata[i/2] = finalchar;
+    }
+
+    return fake_add(finaldata, len / 2);
+}
+
+int fake_load_random(unsigned int count, unsigned int maxsize) {
+    if (count < 1 || count > sizeof(fakes) / sizeof(*fakes))
+        return 1;
+
+    unsigned int random = 0;
+
+    for (unsigned int i=0; i<count; i++) {
+        unsigned int len = 0;
+        if (rand_s(&len))
+            return 1;
+        len = 8 + (len % maxsize);
+
+        unsigned char *data = calloc(len, 1);
+        for (unsigned int j=0; j<len; j++) {
+            rand_s(&random);
+            data[j] = random % 0xFF;
+        }
+        if (fake_add(data, len))
+            return 2;
+    }
+    return 0;
+}
+
+void set_uint16be(unsigned char *buffer, int offset, int value) {
+    buffer[offset] = (value >> 8) & 0xFF;
+    buffer[offset + 1] = value & 0xFF;
+}
+
+int fake_load_from_sni(const char *domain_name) {
+    if (!domain_name) {
+        return 1; // just extra safeguard against NPE
+    }
+    // calculate sizes
+    const int name_size = strlen(domain_name);
+    const int part0_size = sizeof(fake_clienthello_part0);
+    const int part1_size = sizeof(fake_clienthello_part1);
+    const int sni_head_size = 9;
+    const int packet_size = part0_size + part1_size + sni_head_size + name_size;
+    // allocate memory
+    unsigned char *packet = malloc(packet_size);
+    // copy major parts of packet
+    memcpy(packet, fake_clienthello_part0, part0_size);
+    memcpy(&packet[part0_size + sni_head_size + name_size], fake_clienthello_part1, part1_size);
+    // replace placeholders with random generated values
+    unsigned int random = 0;
+    for (int i = 0; i < packet_size; i++) {
+        if (packet[i] == 0xAA) {
+            rand_s(&random);
+            packet[i] = random & 0xFF;
+        }
+    }
+    // write size fields into packet
+    set_uint16be(packet, 0x0003, packet_size - 5);
+    set_uint16be(packet, 0x0007, packet_size - 9);
+    set_uint16be(packet, 0x0072, packet_size - 116);
+    // write SNI extension
+    set_uint16be(packet, part0_size + 0, 0x0000);
+    set_uint16be(packet, part0_size + 2, name_size + 5);
+    set_uint16be(packet, part0_size + 4, name_size + 3);
+    packet[part0_size + 6] = 0x00;
+    set_uint16be(packet, part0_size + 7, name_size);
+    memcpy(&packet[part0_size + sni_head_size], domain_name, name_size);
+    // add packet to fakes
+    return fake_add(packet, packet_size);
 }

src/fakepackets.h

@@ -1,3 +1,5 @@
+extern int fakes_count;
+extern int fakes_resend;
 int send_fake_http_request(const HANDLE w_filter,
                                   const PWINDIVERT_ADDRESS addr,
                                   const char *pkt,
@@ -16,3 +18,6 @@ int send_fake_https_request(const HANDLE w_filter,
                                    const BYTE set_checksum,
                                    const BYTE set_seq
                                  );
+int fake_load_from_hex(const char *data);
+int fake_load_from_sni(const char *domain_name);
+int fake_load_random(unsigned int count, unsigned int maxsize);

src/goodbyedpi.c

@@ -1,7 +1,7 @@
 /*
  * GoodbyeDPI — Passive DPI blocker and Active DPI circumvention utility.
  */
- 
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdbool.h>
@@ -24,7 +24,7 @@
 // My mingw installation does not load inet_pton definition for some reason
 WINSOCK_API_LINKAGE INT WSAAPI inet_pton(INT Family, LPCSTR pStringBuf, PVOID pAddr);
 
-#define GOODBYEDPI_VERSION "v0.2.3"
+#define GOODBYEDPI_VERSION "v0.2.3rc3"
 
 #define die() do { sleep(20); exit(EXIT_FAILURE); } while (0)
 
@@ -188,6 +188,10 @@ static struct option long_options[] = {
     {"native-frag", no_argument,       0,  '*' },
     {"reverse-frag",no_argument,       0,  '(' },
     {"max-payload", optional_argument, 0,  '|' },
+    {"fake-from-hex", required_argument, 0,  'u' },
+    {"fake-with-sni", required_argument, 0,  '}' },
+    {"fake-gen",    required_argument, 0,  'j' },
+    {"fake-resend", required_argument, 0,  't' },
     {"debug-exit",  optional_argument, 0,  'x' },
     {0,             0,                 0,   0  }
 };
@@ -323,7 +327,7 @@ static HANDLE init(char *filter, UINT64 flags) {
                "Please unload it with the following commands ran as administrator:\n\n"
                "sc stop windivert\n"
                "sc delete windivert\n"
-               "sc stop windivert14"
+               "sc stop windivert14\n"
                "sc delete windivert14\n");
     else if (errorcode == 1275)
         printf("This error occurs for various reasons, including:\n"
@@ -940,6 +944,30 @@ int main(int argc, char *argv[]) {
                 else
                     max_payload_size = 1200;
                 break;
+            case 'u': // --fake-from-hex
+                if (fake_load_from_hex(optarg)) {
+                    printf("WARNING: bad fake HEX value %s\n", optarg);
+                }
+                break;
+            case '}': // --fake-with-sni
+                if (fake_load_from_sni(optarg)) {
+                    printf("WARNING: bad domain name for SNI: %s\n", optarg);
+                }
+                break;
+            case 'j': // --fake-gen
+                if (fake_load_random(atoub(optarg, "Fake generator parameter error!"), 200)) {
+                    puts("WARNING: fake generator has failed!");
+                }
+                break;
+            case 't': // --fake-resend
+                fakes_resend = atoub(optarg, "Fake resend parameter error!");
+                if (fakes_resend == 1)
+                    puts("WARNING: fake-resend is 1, no resending is in place!");
+                else if (!fakes_resend)
+                    puts("WARNING: fake-resend is 0, fake packet mode is disabled!");
+                else if (fakes_resend > 100)
+                    puts("WARNING: fake-resend value is a little too high, don't you think?");
+                break;
             case 'x': // --debug-exit
                 debug_exit = true;
                 break;
@@ -988,6 +1016,17 @@ int main(int argc, char *argv[]) {
                 " --reverse-frag           fragment (split) the packets just as --native-frag, but send them in the\n"
                 "                          reversed order. Works with the websites which could not handle segmented\n"
                 "                          HTTPS TLS ClientHello (because they receive the TCP flow \"combined\").\n"
+                " --fake-from-hex <value>  Load fake packets for Fake Request Mode from HEX values (like 1234abcDEF).\n"
+                "                          This option can be supplied multiple times, in this case each fake packet\n"
+                "                          would be sent on every request in the command line argument order.\n"
+                " --fake-with-sni <value>  Generate fake packets for Fake Request Mode with given SNI domain name.\n"
+                "                          The packets mimic Mozilla Firefox 130 TLS ClientHello packet\n"
+                "                          (with random generated fake SessionID, key shares and ECH grease).\n"
+                "                          Can be supplied multiple times for multiple fake packets.\n"
+                " --fake-gen <value>       Generate random-filled fake packets for Fake Request Mode, value of them\n"
+                "                          (up to 30).\n"
+                " --fake-resend <value>    Send each fake packet value number of times.\n"
+                "                          Default: 1 (send each packet once).\n"
                 " --max-payload [value]    packets with TCP payload data more than [value] won't be processed.\n"
                 "                          Use this option to reduce CPU usage by skipping huge amount of data\n"
                 "                          (like file transfers) in already established sessions.\n"
@@ -1047,7 +1086,9 @@ int main(int argc, char *argv[]) {
            "Fake requests, TTL: %s (fixed: %hu, auto: %hu-%hu-%hu, min distance: %hu)\n"  /* 17 */
            "Fake requests, wrong checksum: %d\n"    /* 18 */
            "Fake requests, wrong SEQ/ACK: %d\n"     /* 19 */
-           "Max payload size: %hu\n",               /* 20 */
+           "Fake requests, custom payloads: %d\n"   /* 20 */
+           "Fake requests, resend: %d\n"            /* 21 */
+           "Max payload size: %hu\n",               /* 22 */
            do_passivedpi, do_block_quic,                          /* 1 */
            (do_fragment_http ? http_fragment_size : 0),           /* 2 */
            (do_fragment_http_persistent ? http_fragment_size : 0),/* 3 */
@@ -1069,7 +1110,9 @@ int main(int argc, char *argv[]) {
                do_auto_ttl ? auto_ttl_max : 0, ttl_min_nhops,
            do_wrong_chksum, /* 18 */
            do_wrong_seq,    /* 19 */
-           max_payload_size /* 20 */
+           fakes_count,     /* 20 */
+           fakes_resend,    /* 21 */
+           max_payload_size /* 22 */
           );
 
     if (do_fragment_http && http_fragment_size > 2 && !do_native_frag) {