Add build script and hook updates

.gitignore

@@ -1,4 +1,4 @@
 /src/.theos
 /src/packages
 .DS_Store
-/rev
+/rev

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 Rivoirard Noham
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

script/build.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+
+# Default to 3.25.0 if no argument is provided
+VERSION=${1:-3.25.0}
+
+if [ "$VERSION" == "3.25.0" ]; then
+    MACRO="-DV3_25_0=1"
+    QT_VERSION="6.8.2"
+elif [ "$VERSION" == "3.27.1" ]; then
+    MACRO="-DV3_27_1=1"
+    QT_VERSION="6.10.0"
+else
+    echo "Error: Unknown version '$VERSION'. Supported versions are: 3.25.0, 3.27.1"
+    exit 1
+fi
+
+MODE=${2:-dev}
+
+echo "Building for reMarkable version: $VERSION ($MACRO) in $MODE mode"
+
+make clean
+
+if [ "$MODE" == "release" ]; then
+    # Modify control file to set the version to match the target app version
+    sed -i '' "s/^Version: .*/Version: $VERSION/" control
+    make package THEOS_PACKAGE_SCHEME=rootless FINALPACKAGE=1 RM_VERSION_FLAG="$MACRO" QT_VERSION="$QT_VERSION"
+else
+    make package THEOS_PACKAGE_SCHEME=rootless DEBUG=0 RM_VERSION_FLAG="$MACRO" QT_VERSION="$QT_VERSION"
+fi

src/Config.h

@@ -0,0 +1,17 @@
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+
+extern NSString *gConfiguredHost;
+extern NSNumber *gConfiguredPort;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void loadConfiguration(void);
+void saveConfiguration(NSString *host, NSNumber *port);
+void showConfigAlert(void);
+
+#ifdef __cplusplus
+}
+#endif

src/Config.mm

@@ -0,0 +1,86 @@
+#import "Config.h"
+
+NSString *gConfiguredHost = @"";
+NSNumber *gConfiguredPort = @(0);
+
+void saveConfiguration(NSString *host, NSNumber *port) {
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    [defaults setObject:host forKey:@"RMHook_Host"];
+    [defaults setObject:port forKey:@"RMHook_Port"];
+    [defaults synchronize];
+    gConfiguredHost = host;
+    gConfiguredPort = port;
+    NSLog(@"[RMHook-iOS] Saved config - Host: %@, Port: %@", gConfiguredHost, gConfiguredPort);
+}
+
+void loadConfiguration() {
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    NSString *host = [defaults stringForKey:@"RMHook_Host"];
+    NSNumber *port = [defaults objectForKey:@"RMHook_Port"];
+    
+    if (host && host.length > 0 && port && [port intValue] > 0) {
+        gConfiguredHost = host;
+        gConfiguredPort = port;
+        NSLog(@"[RMHook-iOS] Loaded config - Host: %@, Port: %@", gConfiguredHost, gConfiguredPort);
+    }
+}
+
+void showConfigAlert() {
+    dispatch_async(dispatch_get_main_queue(), ^{
+        UIWindow *window = nil;
+        if (@available(iOS 13.0, *)) {
+            for (UIWindowScene *scene in [UIApplication sharedApplication].connectedScenes) {
+                if (scene.activationState == UISceneActivationStateForegroundActive) {
+                    for (UIWindow *w in scene.windows) {
+                        if (w.isKeyWindow) {
+                            window = w;
+                            break;
+                        }
+                    }
+                }
+            }
+        }
+        if (!window) {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+            window = [UIApplication sharedApplication].keyWindow;
+#pragma clang diagnostic pop
+        }
+
+        if (!window || !window.rootViewController) {
+            dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 1 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
+                showConfigAlert();
+            });
+            return;
+        }
+        
+        UIViewController *rootVC = window.rootViewController;
+        while (rootVC.presentedViewController) {
+            rootVC = rootVC.presentedViewController;
+        }
+        
+        UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"RMHook" 
+                                                                       message:@"First Launch: Enter Host and Port" 
+                                                                preferredStyle:UIAlertControllerStyleAlert];
+        
+        [alert addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {
+            textField.placeholder = @"Host (e.g. example.com)";
+            textField.text = @"example.com";
+        }];
+        
+        [alert addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {
+            textField.placeholder = @"Port (e.g. 443)";
+            textField.text = @"443";
+            textField.keyboardType = UIKeyboardTypeNumberPad;
+        }];
+        
+        UIAlertAction *saveAction = [UIAlertAction actionWithTitle:@"Save" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
+            NSString *host = alert.textFields[0].text;
+            NSNumber *port = @([alert.textFields[1].text integerValue]);
+            saveConfiguration(host, port);
+        }];
+        
+        [alert addAction:saveAction];
+        [rootVC presentViewController:alert animated:YES completion:nil];
+    });
+}

src/Makefile

@@ -1,18 +1,20 @@
-TARGET = iphone:latest:14.0
+TARGET = iphone:latest:17.0
 INSTALL_TARGET_PROCESSES = remarkable_mobile
-ARCHS = arm64 arm64e
+ARCHS = arm64 
 
 include $(THEOS)/makefiles/common.mk
 
 TWEAK_NAME = RMHook
 
-RMHook_FILES = Tweak.xm
+QT_VERSION ?= 6.8.2
-RMHook_CFLAGS = -fobjc-arc -F$(HOME)/Qt/6.10.0/lib
+
-RMHook_CXXFLAGS = -fobjc-arc -F$(HOME)/Qt/6.10.0/lib -std=c++17
+RMHook_FILES = Tweak.xm Config.mm
-ADDITIONAL_CFLAGS = -std=c++17 -Wno-c++17-extensions
+RMHook_CFLAGS = -fobjc-arc -F$(HOME)/Qt/$(QT_VERSION)/ios/lib
-ADDITIONAL_CXXFLAGS = -std=c++17 -Wno-c++17-extensions -DQT_NO_VERSION_TAGGING
+RMHook_CXXFLAGS = -fobjc-arc -F$(HOME)/Qt/$(QT_VERSION)/ios/lib -std=c++17 -DQT_NO_VERSION_TAGGING
-ADDITIONAL_OBJCCFLAGS = -std=c++17 -Wno-c++17-extensions -DQT_NO_VERSION_TAGGING
+ADDITIONAL_CFLAGS = -std=c++17 -Wno-c++17-extensions $(RM_VERSION_FLAG)
-RMHook_LDFLAGS = 
+ADDITIONAL_CXXFLAGS = -std=c++17 -Wno-c++17-extensions -DQT_NO_VERSION_TAGGING $(RM_VERSION_FLAG)
-RMHook_FRAMEWORKS = Foundation
+ADDITIONAL_OBJCCFLAGS = -std=c++17 -Wno-c++17-extensions -DQT_NO_VERSION_TAGGING $(RM_VERSION_FLAG)
+RMHook_FRAMEWORKS = Foundation QtNetwork QtCore QtWebSockets UIKit UniformTypeIdentifiers Network SystemConfiguration Security IOKit
+RMHook_LDFLAGS = -F$(HOME)/Qt/$(QT_VERSION)/ios/lib -lz $(HOME)/Qt/$(QT_VERSION)/ios/lib/libQt6BundledPcre2.a
 
 include $(THEOS_MAKE_PATH)/tweak.mk

src/Tweak.xm

@@ -17,34 +17,127 @@
 #include <QtCore/QVariant>
 #include <QtCore/QAnyStringView>
 
+#import <UIKit/UIKit.h>
+
 #define TARGET_MODULE  "remarkable_mobile"
 #define IDA_BASE       0x100000000
 
+
 // __ZN21QNetworkAccessManager13createRequestENS_9OperationERK15QNetworkRequestP9QIODevice
+#if V3_25_0
 #define QtNetworkAccessManager_createRequest 0x1017FB9F4 // sub_1017FB9F4
+#elif V3_27_1
+#define QtNetworkAccessManager_createRequest 0x10192472C // sub_10192472C
+#endif
 
 // __ZN10QWebSocket4openERK15QNetworkRequest
+#if V3_25_0
 # define QtWebSocket_open 0x100526A18 // sub_100526A18
+#elif V3_27_1
+# define QtWebSocket_open 0x100564A24 // sub_100564A24
+#endif
 
 
-// QObject *__fastcall QNetworkAccessManager::createRequest(
+#import "Config.h"
-//         QtSharedPointer::ExternalRefCountData *a1,
-//         __int64 a2,
-//         const QNetworkRequest *a3,
-//         __int64 a4)
-static void *(*orig_createRequest)(void *a1, int a2, const void *a3, void *a4);
 
-void *hook_createRequest(void *a1, int a2, const void *a3, void *a4) {
+static inline QString QStringFromNSStringSafe(NSString* str) {
-    NSLog(@"[RMHook-iOS] createRequest called");
+    if (!str) return QString();
-    return orig_createRequest(a1, a2, a3, a4);
+    return QString::fromNSString(str);
 }
 
-// void __fastcall QWebSocket::open(QWebSocket *this, const QUrl *a2, const QWebSocketHandshakeOptions *a3)
+static inline bool shouldPatchURL(const QString &host) {
-static void (*orig_open)(void *this_ptr, const void *a2, const void *a3);
+    if (host.isEmpty()) {
+        return false;
+    }
 
-void hook_open(void *this_ptr, const void *a2, const void *a3) {
+    return QString(R"""(
-    NSLog(@"[RMHook-iOS] QWebSocket::open called");
+        hwr-production-dot-remarkable-production.appspot.com
-    orig_open(this_ptr, a2, a3);
+        service-manager-production-dot-remarkable-production.appspot.com
+        local.appspot.com
+        my.remarkable.com
+        ping.remarkable.com
+        internal.cloud.remarkable.com
+        eu.tectonic.remarkable.com
+        backtrace-proxy.cloud.remarkable.engineering
+        dev.ping.remarkable.com
+        dev.tectonic.remarkable.com
+        dev.internal.cloud.remarkable.com
+        eu.internal.tctn.cloud.remarkable.com
+        webapp-prod.cloud.remarkable.engineering
+    )""")
+        .contains(host, Qt::CaseInsensitive);
+}
+
+// QObject *__fastcall QNetworkAccessManager::createRequest(
+//         QtSharedPointer::ExternalRefCountData *self,
+//         __int64 op,
+//         const QNetworkRequest *req,
+//         __int64 outgoingData)
+static QNetworkReply* (*original_qNetworkAccessManager_createRequest)(
+    QNetworkAccessManager* self,
+    QNetworkAccessManager::Operation op,
+    const QNetworkRequest& req,
+    QIODevice* outgoingData
+);
+
+QNetworkReply* hooked_qNetworkAccessManager_createRequest(
+    QNetworkAccessManager* self,
+    QNetworkAccessManager::Operation op,
+    const QNetworkRequest& req,
+    QIODevice* outgoingData
+) {
+    NSLog(@"[RMHook-iOS] createRequest called for URL: %s", req.url().toString().toStdString().c_str());
+    const QString host = req.url().host();
+    if (shouldPatchURL(host)) {
+        QNetworkRequest newReq(req);
+        QUrl newUrl = req.url();
+        const QString overrideHost = QStringFromNSStringSafe(gConfiguredHost);
+        newUrl.setHost(overrideHost);
+        newUrl.setPort([gConfiguredPort intValue]);
+        newReq.setUrl(newUrl);
+
+        if (original_qNetworkAccessManager_createRequest) {
+            return original_qNetworkAccessManager_createRequest(self, op, newReq, outgoingData);
+        }
+        return nullptr;
+    }
+
+    if (original_qNetworkAccessManager_createRequest) {
+        return original_qNetworkAccessManager_createRequest(self, op, req, outgoingData);
+    }
+    return nullptr;
+}
+
+// void __fastcall QWebSocket::open(QWebSocket *self, const QNetworkRequest *req)
+static void (*original_qWebSocket_open)(
+    QWebSocket* self,
+    const QNetworkRequest& req
+);
+
+void hooked_qWebSocket_open(
+    QWebSocket* self,
+    const QNetworkRequest& req
+) {
+    NSLog(@"[RMHook-iOS] QWebSocket::open called for URL: %s", req.url().toString().toStdString().c_str());
+    if (!original_qWebSocket_open) {
+        return;
+    }
+
+    const QString host = req.url().host();
+    if (shouldPatchURL(host)) {
+        QUrl newUrl = req.url();
+        const QString overrideHost = QStringFromNSStringSafe(gConfiguredHost);
+        newUrl.setHost(overrideHost);
+        newUrl.setPort([gConfiguredPort intValue]);
+
+        QNetworkRequest newReq(req);
+        newReq.setUrl(newUrl);
+
+        original_qWebSocket_open(self, newReq);
+        return;
+    }
+
+    original_qWebSocket_open(self, req);
 }
 
 
@@ -58,9 +151,20 @@ static uintptr_t findModuleBase(const char *moduleName) {
     return 0;
 }
 
-// Constructor
+
 %ctor {
     @autoreleasepool {
+        loadConfiguration();
+
+        if (gConfiguredHost.length == 0 || [gConfiguredPort intValue] == 0) {
+            [[NSNotificationCenter defaultCenter] addObserverForName:UIApplicationDidFinishLaunchingNotification 
+                                                              object:nil 
+                                                               queue:[NSOperationQueue mainQueue] 
+                                                          usingBlock:^(NSNotification * _Nonnull note) {
+                showConfigAlert();
+            }];
+        }
+
         uintptr_t base = findModuleBase(TARGET_MODULE);
         if (!base) {
             NSLog(@"[RMHook-iOS] Module '%s' not found, tweak inactive.", TARGET_MODULE);
@@ -70,12 +174,12 @@ static uintptr_t findModuleBase(const char *moduleName) {
 
         uintptr_t offset = QtNetworkAccessManager_createRequest - IDA_BASE;
         uintptr_t addr   = base + offset;
-        MSHookFunction((void *)addr, (void *)hook_createRequest, (void **)&orig_createRequest);
+        MSHookFunction((void *)addr, (void *)hooked_qNetworkAccessManager_createRequest, (void **)&original_qNetworkAccessManager_createRequest);
         NSLog(@"[RMHook-iOS] Hooked QtNetworkAccessManager_createRequest @ 0x%lx (offset 0x%lx)", (unsigned long)addr, (unsigned long)offset);
 
         uintptr_t offset2 = QtWebSocket_open - IDA_BASE;
         uintptr_t addr2   = base + offset2;
-        MSHookFunction((void *)addr2, (void *)hook_open, (void **)&orig_open);
+        MSHookFunction((void *)addr2, (void *)hooked_qWebSocket_open, (void **)&original_qWebSocket_open);
         NSLog(@"[RMHook-iOS] Hooked QtWebSocket_open @ 0x%lx (offset 0x%lx)", (unsigned long)addr2, (unsigned long)offset2);
     }
 }

src/control

@@ -1,8 +1,8 @@
 Package: xyz.noham.rmhook
 Name: RMHook
-Version: 0.0.1
+Version: 3.27.1
 Architecture: iphoneos-arm
-Description: An awesome MobileSubstrate tweak!
+Description: A tweak to hook remarkable mobile app.
 Maintainer: NohamR
 Author: NohamR
 Section: Tweaks