[geek1011]

Download the attached zip file and extract it into the hidden .kobo folder on the device. The old privacy settings will be temporarily available after the device reboots.

Spoiler:

#include <QString>
#include <fcntl.h>
#include <NickelHook.h>

QString (*kpp_hook_orig)(void*);

static struct nh_info KoboPrivacyPermissions = {
    .name           = "KoboPrivacyPermissions",
    .desc           = "Switches back to the old privacy settings for the next boot.",
    .uninstall_flag = "/mnt/onboard/kpp_uninstall",
};

static struct nh_hook KoboPrivacyPermissionsHook[] = {
    {.sym = "_ZN23OneStoreServiceSettings18privacySettingsUrlEv", .sym_new = "_kpp_hook", .lib = "libnickel.so.1.0.0", .out = nh_symoutptr(kpp_hook_orig), .desc = "[OneStoreServices] kobo_privacyCentre_url", .optional = true},
    {0},
};

static struct nh_dlsym KoboPrivacyPermissionsDlsym[] = {
    {0},
};

static int kpp_init() {
    if (!kpp_hook_orig)
        nh_log("failed to hook privacySettingsUrl");
    creat(KoboPrivacyPermissions.uninstall_flag, 0644);
    return 0;
}

NickelHook(
    .init  = kpp_init,
    .info  = &KoboPrivacyPermissions,
    .hook  = KoboPrivacyPermissionsHook,
    .dlsym = KoboPrivacyPermissionsDlsym,
)

extern "C" __attribute__((visibility("default"))) QString _kpp_hook(void*) {
    return QString();
}

include NickelHook/NickelHook.mk

override LIBRARY  := libkoboprivacypermissions.so
override SOURCES  += src/koboprivacypermissions.cc 
override CFLAGS   += -Wall -Wextra -Werror
override CXXFLAGS += -Wall -Wextra -Werror -Wno-missing-field-initializers

include NickelHook/NickelHook.mk