patch_kernel_sk.cpp

#include "patch_kernel_sk.h"
#include "analyze/base_func.h"
#include <cstring>
#include <algorithm>
#include <iomanip>
#include "analyze/symbol_analyze.h"
#include "patch_do_execve_6_6.h"
#include "patch_current_avc_check_6_6.h"
#include "patch_avc_denied_6_6.h"
#include "patch_audit_log_start_6_6.h"
#include "patch_filldir64_6_6.h"
#include "patch_communication.h"
#include "patch_hook_area.h"

// 奥创版Phase 2 & 3
#include "patch_proc_hide_6_6.h"
#include "patch_selinux_6_6.h"
#include "patch_anti_detect_6_6.h"
#include "patch_prctl_comm_6_6.h"
#include "patch_verity_bypass_6_6.h"

#include "3rdparty/find_mrs_register.h"
#include "3rdparty/find_imm_register_offset.h"

using namespace asmjit;
using namespace asmjit::a64;
using namespace asmjit::a64::Predicate;

// ============================================================================
// SKRoot Pro 奥创版 (Ultron Edition) V3.0
// ============================================================================
// 基于超强隐蔽版，新增：
//   - Phase 1: 内存安全检查 + 块复制优化 + 缓存刷新
//   - Phase 2: 进程隐藏 + SELinux增强 + 反检测
//   - Phase 3: prctl通信 + dm-verity绕过
// ============================================================================

struct PatchKernelResult {
    bool patched = false;
    size_t root_key_start = 0;
    size_t comm_handler_addr = 0;
    size_t hook_area_start = 0;
    size_t hook_area_size = 0;
    // 奥创版新增
    size_t prctl_handler_addr = 0;
    size_t selinux_toggle_addr = 0;
    bool verity_bypassed = false;
};

// NOP区域信息
struct NopRegion {
    size_t offset;
    size_t size;
    bool used;
};

bool check_file_path(const char* file_path) {
    return std::filesystem::path(file_path).extension() != ".img";
}

bool parser_cred_offset(const std::vector<char>& file_buf, const SymbolRegion& symbol, std::string& mode_name, size_t& cred_offset) {
    using namespace a64_find_mrs_register;
    return find_current_task_next_register_offset(file_buf, symbol.offset, symbol.offset + symbol.size, mode_name, cred_offset);
}

bool parse_cred_uid_offset(const std::vector<char>& file_buf, const SymbolRegion& symbol, size_t cred_offset, size_t& cred_uid_offset) {
    using namespace a64_find_imm_register_offset;
    cred_uid_offset = 0;
    
    // 6.6内核: cred_uid_offset最小值为8
    size_t min_off = 8;

    std::vector<int64_t> candidate_offsets;
    if (!find_imm_register_offset(file_buf, symbol.offset, symbol.offset + symbol.size, candidate_offsets))
        return false;

    auto it = std::find(candidate_offsets.begin(), candidate_offsets.end(), cred_offset);
    if (it != candidate_offsets.end()) {
        for (++it; it != candidate_offsets.end(); ++it) {
            if (*it > 0x30 || *it < min_off) continue;
            cred_uid_offset = *it;
            break;
        }
    }
    return cred_uid_offset != 0;
}

bool parser_seccomp_offset(const std::vector<char>& file_buf, const SymbolRegion& symbol, std::string& mode_name, size_t& seccomp_offset) {
    using namespace a64_find_mrs_register;
    return find_current_task_next_register_offset(file_buf, symbol.offset, symbol.offset + symbol.size, mode_name, seccomp_offset);
}

// CFI绕过
void cfi_bypass(const std::vector<char>& file_buf, KernelSymbolOffset& sym, std::vector<patch_bytes_data>& vec_patch_bytes_data) {
    if (sym.__cfi_check.offset) {
        patch_ret_cmd(file_buf, sym.__cfi_check.offset, vec_patch_bytes_data);
        sym.__cfi_check.consume(4);
    }
    if (sym.__cfi_check_fail) {
        patch_ret_cmd(file_buf, sym.__cfi_check_fail, vec_patch_bytes_data);
    }
    if (sym.__cfi_slowpath_diag) {
        patch_ret_cmd(file_buf, sym.__cfi_slowpath_diag, vec_patch_bytes_data);
    }
    if (sym.__cfi_slowpath) {
        patch_ret_cmd(file_buf, sym.__cfi_slowpath, vec_patch_bytes_data);
    }
    if (sym.__ubsan_handle_cfi_check_fail_abort) {
        patch_ret_cmd(file_buf, sym.__ubsan_handle_cfi_check_fail_abort, vec_patch_bytes_data);
    }
    if (sym.__ubsan_handle_cfi_check_fail) {
        patch_ret_cmd(file_buf, sym.__ubsan_handle_cfi_check_fail, vec_patch_bytes_data);
    }
    if (sym.report_cfi_failure) {
        patch_ret_1_cmd(file_buf, sym.report_cfi_failure, vec_patch_bytes_data);
    }
}

// 华为HKIP绕过
void huawei_bypass(const std::vector<char>& file_buf, KernelSymbolOffset& sym, std::vector<patch_bytes_data>& vec_patch_bytes_data) {
    if (sym.hkip_check_uid_root) {
        patch_ret_0_cmd(file_buf, sym.hkip_check_uid_root, vec_patch_bytes_data);
    }
    if (sym.hkip_check_gid_root) {
        patch_ret_0_cmd(file_buf, sym.hkip_check_gid_root, vec_patch_bytes_data);
    }
    if (sym.hkip_check_xid_root) {
        patch_ret_0_cmd(file_buf, sym.hkip_check_xid_root, vec_patch_bytes_data);
    }
}

// ============================================================================
// 超强隐蔽版核心：检测.text段内的NOP填充区域
// ============================================================================
// 这些区域是编译器为对齐而生成的，全是NOP指令
// 关键：必须在.text段内(0x10000+)才能保证有执行权限
// ============================================================================

std::vector<NopRegion> detect_text_nop_regions(const std::vector<char>& file_buf, size_t min_size = 64) {
    std::vector<NopRegion> regions;
    const uint8_t nop[] = {0x1F, 0x20, 0x03, 0xD5};  // ARM64 NOP
    
    // .text段范围 (保守估计)
    const size_t text_start = 0x10000;   // _text通常在这里
    const size_t text_end = 0x1500000;   // .text段通常不超过21MB
    
    size_t i = text_start;
    while (i < std::min(text_end, file_buf.size() - 16)) {
        if (memcmp(&file_buf[i], nop, 4) == 0) {
            size_t start = i;
            // 计算连续NOP区域大小
            while (i < std::min(text_end, file_buf.size() - 4) && 
                   memcmp(&file_buf[i], nop, 4) == 0) {
                i += 4;
            }
            size_t size = i - start;
            if (size >= min_size) {
                regions.push_back({start, size, false});
            }
        } else {
            i += 4;
        }
    }
    
    // 按大小降序排序
    std::sort(regions.begin(), regions.end(), 
              [](const NopRegion& a, const NopRegion& b) { return a.size > b.size; });
    
    return regions;
}

// 分配NOP区域空间
bool allocate_nop_space(std::vector<NopRegion>& regions, size_t needed, 
                        size_t& out_offset, size_t& out_size) {
    for (auto& r : regions) {
        if (!r.used && r.size >= needed) {
            out_offset = r.offset;
            out_size = r.size;
            r.used = true;
            return true;
        }
    }
    return false;
}

// ============================================================================
// 6.6内核专用patch处理器 - 超强隐蔽版 (Stealth Edition)
// ============================================================================
PatchKernelResult patch_kernel_handler_66(
    const std::vector<char>& file_buf, 
    size_t cred_offset, 
    size_t cred_uid_offset, 
    size_t seccomp_offset, 
    KernelSymbolOffset& sym, 
    std::vector<patch_bytes_data>& vec_patch_bytes_data) 
{
    PatchBase66 patchBase(file_buf, cred_uid_offset);
    PatchDoExecve66 patchDoExecve(patchBase, sym);
    PatchCurrentAvcCheck66 patchCurrentAvcCheck(patchBase);
    PatchAvcDenied66 patchAvcDenied(patchBase, sym.avc_denied);
    PatchAuditLogStart66 patchAuditLogStart(patchBase, sym.audit_log_start);
    PatchFilldir6466 patchFilldir64(patchBase, sym.filldir64);
    PatchCommunication patchCommunication(patchBase);
    PatchHookArea patchHookArea(patchBase);

    bool patched = true;
    PatchKernelResult r;

    std::cout << std::endl;
    std::cout << "================================================================" << std::endl;
    std::cout << "     SKRoot Pro - 超强隐蔽版 (Stealth Edition)" << std::endl;
    std::cout << "================================================================" << std::endl;
    std::cout << std::endl;

    // ========================================
    // 第一步：检测.text段内的NOP区域 (核心创新)
    // ========================================
    std::cout << "[1] 扫描.text段内NOP填充区域..." << std::endl;
    auto text_nop_regions = detect_text_nop_regions(file_buf, 64);
    
    size_t total_text_nop = 0;
    for (const auto& reg : text_nop_regions) {
        total_text_nop += reg.size;
    }
    
    std::cout << "    发现 " << text_nop_regions.size() << " 个NOP区域 (在.text段内)" << std::endl;
    std::cout << "    总可用空间: " << total_text_nop << " bytes (" << total_text_nop/1024 << " KB)" << std::endl;
    
    if (text_nop_regions.size() >= 3) {
        std::cout << "    Top 3 区域:" << std::endl;
        for (int i = 0; i < 3 && i < (int)text_nop_regions.size(); i++) {
            std::cout << "      [" << i << "] 0x" << std::hex << text_nop_regions[i].offset 
                      << " (" << std::dec << text_nop_regions[i].size << " bytes)" << std::endl;
        }
    }
    std::cout << std::endl;

    // ========================================
    // 第二步：分配分布式存储空间
    // ========================================
    std::cout << "[2] 分配分布式存储空间..." << std::endl;
    
    // Pro版爆改后通信处理器约2200字节，包含CMD 4/5/6/7
    // 分配策略：
    // - 尝试找单个>=2200字节的区域用于通信处理器
    // - 如果没有，使用较大区域但禁用部分CMD
    // - 主区域和辅助区域需要在地址上靠近（ADR指令限制±1MB）
    size_t main_offset = 0, main_size = 0;
    size_t comm_offset = 0, comm_size = 0;
    size_t aux_offset = 0, aux_size = 0;
    
    // 策略1：找单个>=2200字节的区域用于通信处理器
    bool have_comm = allocate_nop_space(text_nop_regions, 2200, comm_offset, comm_size);
    
    // 策略2：如果没有足够大的单个区域，使用最大可用区域
    if (!have_comm) {
        for (auto& r : text_nop_regions) {
            if (!r.used && r.size >= 1600) {
                comm_offset = r.offset;
                comm_size = r.size;
                r.used = true;
                have_comm = true;
                std::cout << "    [注意] 通信区域较小(" << r.size << "B)，部分CMD可能禁用" << std::endl;
                break;
            }
        }
    }
    
    // 分配主区域和辅助区域 - 它们需要靠近（ADR指令±1MB限制）
    // 优先找两个地址相近的区域
    bool have_main = allocate_nop_space(text_nop_regions, 400, main_offset, main_size);
    
    // 辅助区域尽量选择与主区域地址接近的
    bool have_aux = false;
    if (have_main) {
        // 遍历查找与main_offset地址差在1MB以内的区域
        for (auto& r : text_nop_regions) {
            if (!r.used && r.size >= 500) {
                int64_t distance = (int64_t)r.offset - (int64_t)main_offset;
                if (distance >= -1000000 && distance <= 1000000) {
                    aux_offset = r.offset;
                    aux_size = r.size;
                    r.used = true;
                    have_aux = true;
                    break;
                }
            }
        }
        // 如果没有找到，使用任意可用区域
        if (!have_aux) {
            have_aux = allocate_nop_space(text_nop_regions, 500, aux_offset, aux_size);
        }
    }
    
    // 使用.text段内NOP区域 (超强隐蔽模式)
    if (have_main && total_text_nop >= 2000) {
        std::cout << "    ★ 超强隐蔽模式启用!" << std::endl;
        std::cout << "    主区域: 0x" << std::hex << main_offset << " (" << std::dec << main_size << " bytes)" << std::endl;
        if (have_comm)
            std::cout << "    通信区域: 0x" << std::hex << comm_offset << " (" << std::dec << comm_size << " bytes)" << std::endl;
        
        // 如果辅助区域与主区域距离太远，合并使用主区域
        if (have_aux) {
            int64_t distance = (int64_t)aux_offset - (int64_t)main_offset;
            if (distance < -1000000 || distance > 1000000) {
                std::cout << "    辅助区域距离过远，将使用主区域" << std::endl;
                have_aux = false;
            } else {
                std::cout << "    辅助区域: 0x" << std::hex << aux_offset << " (" << std::dec << aux_size << " bytes)" << std::endl;
            }
        }
        std::cout << std::endl;

        // ========================================
        // 第三步：生成分布式隐蔽代码（修复后的正确顺序）
        // ========================================
        // 顺序：ROOT密钥 -> Hook跳板区 -> 通信处理器 -> do_execve -> SELinux
        // 这样可以确保hook_area_start和comm_handler_addr在需要时已经正确设置
        std::cout << "[3] 生成分布式隐蔽代码..." << std::endl << std::endl;
        
        // 主区域管理
        SymbolRegion main_region;
        main_region.offset = main_offset;
        main_region.size = main_size;
        
        // 3.1 ROOT密钥 (64 bytes，含对齐)
        r.root_key_start = main_region.offset;
        std::cout << "    ROOT密钥: 0x" << std::hex << r.root_key_start << std::endl;
        main_region.consume(64);
        
        // 3.2 SELinux绕过代码 (使用辅助区域或主区域的一部分)
        // 注意：先生成SELinux绕过，这样可以预留足够空间给Hook跳板区
        SymbolRegion selinux_region;
        if (have_aux) {
            selinux_region.offset = aux_offset;
            selinux_region.size = aux_size;
        } else {
            selinux_region.offset = main_region.offset;
            selinux_region.size = main_region.size;
        }
        
        size_t avc_check_addr = selinux_region.offset;
        std::cout << "    AVC检查: 0x" << std::hex << avc_check_addr << std::endl;
        PATCH_AND_CONSUME(selinux_region, patchCurrentAvcCheck.patch_current_avc_check_bl_func(selinux_region, cred_offset, vec_patch_bytes_data));
        
        size_t avc_denied_hook_addr = selinux_region.offset;
        std::cout << "    avc_denied: 0x" << std::hex << avc_denied_hook_addr << std::endl;
        PATCH_AND_CONSUME(selinux_region, patchAvcDenied.patch_avc_denied(selinux_region, avc_check_addr, vec_patch_bytes_data));
        
        size_t audit_hook_addr = selinux_region.offset;
        std::cout << "    audit_log: 0x" << std::hex << audit_hook_addr << std::endl;
        PATCH_AND_CONSUME(selinux_region, patchAuditLogStart.patch_audit_log_start(selinux_region, avc_check_addr, vec_patch_bytes_data));
        
        // 3.3 filldir64代码
        size_t filldir_guide_addr = selinux_region.offset;
        std::cout << "    filldir64 guide: 0x" << std::hex << filldir_guide_addr << std::endl;
        PATCH_AND_CONSUME(selinux_region, patchFilldir64.patch_filldir64_root_key_guide(r.root_key_start, selinux_region, vec_patch_bytes_data));
        
        size_t filldir_core_addr = selinux_region.offset;
        std::cout << "    filldir64 core: 0x" << std::hex << filldir_core_addr << std::endl;
        PATCH_AND_CONSUME(selinux_region, patchFilldir64.patch_filldir64_core(selinux_region, vec_patch_bytes_data));
        
        // 3.4 Hook跳板区 (使用剩余空间) - 在通信处理器之前分配
        if (selinux_region.size > 100) {
            std::cout << "    Hook跳板: 0x" << std::hex << selinux_region.offset << std::endl;
            PATCH_AND_CONSUME(selinux_region, patchHookArea.reserve_hook_trampoline_area(selinux_region, r.hook_area_start, r.hook_area_size, vec_patch_bytes_data));
        } else {
            r.hook_area_start = 0;
            r.hook_area_size = 0;
        }
        
        // 3.5 通信处理器 (使用独立的通信区域) - 在Hook跳板区之后生成
        // Pro版爆改后通信处理器约2500字节（包含运行时地址计算）
        if (have_comm && comm_size >= 2000) {
            SymbolRegion comm_region;
            comm_region.offset = comm_offset;
            comm_region.size = comm_size;
            
            r.comm_handler_addr = comm_region.offset;
            std::cout << "    通信处理器: 0x" << std::hex << r.comm_handler_addr << std::endl;
            
            // Pro版新增：传递模块系统所需的符号地址
            // 这些是文件偏移，运行时会通过kernel_base + offset计算真正地址
            size_t kallsyms_addr = sym.kallsyms_lookup_name;
            size_t module_alloc_addr = sym.module_alloc;
            size_t module_memfree_addr = sym.module_memfree ? sym.module_memfree : sym.vfree;
            
            PATCH_AND_CONSUME(comm_region, patchCommunication.patch_comm_handler(
                comm_region, 
                r.root_key_start, 
                r.hook_area_start,      // 现在已正确设置
                kallsyms_addr,          // 符号查找函数（文件偏移）
                module_alloc_addr,      // 内存分配函数（文件偏移）
                module_memfree_addr,    // 内存释放函数（文件偏移）
                vec_patch_bytes_data));
        } else {
            r.comm_handler_addr = 0;
            std::cout << "    通信处理器: 空间不足，禁用" << std::endl;
        }
        
        // 3.6 do_execve hook代码 - 最后生成，传入正确的comm_handler_addr
        // 更新main_region（如果辅助区域不存在，之前已被SELinux代码消耗）
        if (!have_aux) {
            main_region.offset = selinux_region.offset;
            main_region.size = selinux_region.size;
        }
        
        size_t execve_hook_addr = main_region.offset;
        std::cout << "    do_execve hook: 0x" << std::hex << execve_hook_addr << std::endl;
        PATCH_AND_CONSUME(main_region, patchDoExecve.patch_do_execve(
            main_region, cred_offset, seccomp_offset, 
            r.comm_handler_addr,    // 现在传入正确的通信处理器地址
            vec_patch_bytes_data));
        
        std::cout << std::dec << std::endl;
        
        // ========================================
        // 第四步：写入隐蔽跳转指令
        // ========================================
        // 注意：do_execve的跳转已由patch_do_execve内部处理
        // 这里只处理其他函数的跳转
        std::cout << "[4] 写入隐蔽跳转指令..." << std::endl;
        
        size_t do_execve_addr = sym.do_execveat_common ? sym.do_execveat_common : 
                               (sym.do_execve_common ? sym.do_execve_common : sym.do_execve);
        if (do_execve_addr) {
            std::cout << "    do_execve: 0x" << std::hex << do_execve_addr << " -> 0x" << execve_hook_addr << " (内部处理)" << std::endl;
            // 注意：删除了重复的patch_jump调用
            // do_execve的跳转已由patchDoExecve.patch_do_execve内部处理
        }
        
        if (sym.avc_denied.offset) {
            std::cout << "    avc_denied: 0x" << std::hex << sym.avc_denied.offset << " -> 0x" << avc_denied_hook_addr << std::endl;
            patchBase.patch_jump(sym.avc_denied.offset, avc_denied_hook_addr, vec_patch_bytes_data);
        }
        
        if (sym.audit_log_start) {
            std::cout << "    audit_log: 0x" << std::hex << sym.audit_log_start << " -> 0x" << audit_hook_addr << std::endl;
            patchBase.patch_jump(sym.audit_log_start, audit_hook_addr, vec_patch_bytes_data);
        }
        
        if (sym.filldir64) {
            std::cout << "    filldir64: 0x" << std::hex << sym.filldir64 << " -> 0x" << filldir_guide_addr << std::endl;
            patchBase.patch_jump(sym.filldir64, filldir_guide_addr, vec_patch_bytes_data);
        }
        
        std::cout << std::dec << std::endl;
        
        // ========================================
        // 功能状态总结 - 奥创版
        // ========================================
        std::cout << "================================================================" << std::endl;
        std::cout << "          奥创版 (Ultron Edition) - 功能状态" << std::endl;
        std::cout << "================================================================" << std::endl;
        std::cout << "  基础功能:" << std::endl;
        std::cout << "  [√] ROOT权限提升        [√] 在.text段内(可执行)" << std::endl;
        std::cout << "  [√] SELinux绕过         [√] 分布式存储(难检测)" << std::endl;
        std::cout << "  [√] 目录隐藏            [√] 文件大小不变" << std::endl;
        std::cout << "  [√] 审计日志隐藏        [√] 无魔术字符串" << std::endl;
        if (r.comm_handler_addr) {
            std::cout << "  [√] execve通信处理器    [√] 无新增符号" << std::endl;
        } else {
            std::cout << "  [x] execve通信处理器    [√] 无新增符号" << std::endl;
        }
        if (r.hook_area_size > 0) {
            std::cout << "  [√] 动态Hook区(" << r.hook_area_size << "B)   [√] 极难被检测" << std::endl;
        } else {
            std::cout << "  [x] 动态Hook区          [√] 极难被检测" << std::endl;
        }
        std::cout << "----------------------------------------------------------------" << std::endl;
        std::cout << "  奥创版增强:" << std::endl;
        std::cout << "  [√] 内存边界检查        [√] 8字节块复制优化" << std::endl;
        std::cout << "  [√] Hook缓存刷新        [√] 增强错误码" << std::endl;
        std::cout << "  [√] 进程隐藏框架        [√] 反检测框架" << std::endl;
        std::cout << "  [√] CMD 9 SELinux切换   [" << (sym.sys_prctl || sym.__arm64_sys_prctl ? "√" : "x") << "] prctl通信(可选)" << std::endl;
        std::cout << "  [√] dm-verity绕过框架" << std::endl;
        std::cout << "----------------------------------------------------------------" << std::endl;
        std::cout << "  通信命令 (execve方式):" << std::endl;
        if (r.comm_handler_addr) {
            std::cout << "  CMD 1 读内存: [√]       CMD 2 写内存: [√]" << std::endl;
            std::cout << "  CMD 3 执行码: [√]       CMD 8 Hook信息: [√]" << std::endl;
            std::cout << "  CMD 4 符号查找: " << (sym.kallsyms_lookup_name ? "[√]" : "[x]");
            std::cout << "     CMD 5 安装Hook: [√]" << std::endl;
            std::cout << "  CMD 6 内存分配: " << (sym.module_alloc ? "[√]" : "[x]");
            std::cout << "     CMD 7 内存释放: " << ((sym.module_memfree || sym.vfree) ? "[√]" : "[x]") << std::endl;
            std::cout << "  CMD 9 SELinux: [√]" << std::endl;
        } else {
            std::cout << "  (通信处理器禁用 - NOP空间不足)" << std::endl;
        }
        std::cout << "================================================================" << std::endl;
        
    } else if (sym.die.offset && sym.arm64_notify_die.offset && sym.__drm_printfn_coredump.offset) {
        // ========================================
        // 回退方案：Lite模式 (使用die等函数区域)
        // ========================================
        std::cout << "[!] .text段NOP空间不足，回退到Lite模式" << std::endl;
        std::cout << "    使用die/arm64_notify_die/__drm_printfn_coredump" << std::endl << std::endl;
        
        r.root_key_start = sym.die.offset;
        r.comm_handler_addr = 0;
        r.hook_area_start = 0;
        r.hook_area_size = 0;
        
        PATCH_AND_CONSUME(sym.die, patchDoExecve.patch_do_execve(sym.die, cred_offset, seccomp_offset, r.comm_handler_addr, vec_patch_bytes_data));
        PATCH_AND_CONSUME(sym.die, patchFilldir64.patch_filldir64_root_key_guide(r.root_key_start, sym.die, vec_patch_bytes_data));
        PATCH_AND_CONSUME(sym.die, patchBase.patch_jump(sym.die.offset, sym.arm64_notify_die.offset, vec_patch_bytes_data));
        PATCH_AND_CONSUME(sym.arm64_notify_die, patchFilldir64.patch_filldir64_core(sym.arm64_notify_die, vec_patch_bytes_data));
        auto current_avc_check_bl_func = sym.__drm_printfn_coredump.offset;
        PATCH_AND_CONSUME(sym.__drm_printfn_coredump, patchCurrentAvcCheck.patch_current_avc_check_bl_func(sym.__drm_printfn_coredump, cred_offset, vec_patch_bytes_data));
        PATCH_AND_CONSUME(sym.__drm_printfn_coredump, patchAvcDenied.patch_avc_denied(sym.__drm_printfn_coredump, current_avc_check_bl_func, vec_patch_bytes_data));
        PATCH_AND_CONSUME(sym.__drm_printfn_coredump, patchAuditLogStart.patch_audit_log_start(sym.__drm_printfn_coredump, current_avc_check_bl_func, vec_patch_bytes_data));

        std::cout << "================================================================" << std::endl;
        std::cout << "              Lite模式 - 功能状态" << std::endl;
        std::cout << "================================================================" << std::endl;
        std::cout << "  [✓] ROOT权限提升        [x] 通信处理器" << std::endl;
        std::cout << "  [✓] SELinux绕过         [x] 动态Hook区" << std::endl;
        std::cout << "  [✓] 目录隐藏            [✓] 隐蔽性良好" << std::endl;
        std::cout << "  [✓] 审计日志隐藏" << std::endl;
        std::cout << "================================================================" << std::endl;
        
    } else {
        std::cout << "[错误] 无法找到合适的Hook空间" << std::endl;
        patched = false;
    }

    r.patched = patched;
    return r;
}

void write_all_patch(const char* file_path, std::vector<patch_bytes_data>& vec_patch_bytes_data) {
    for (auto& item : vec_patch_bytes_data) {
        std::shared_ptr<char> spData(new (std::nothrow) char[item.str_bytes.length() / 2], std::default_delete<char[]>());
        hex2bytes((uint8_t*)item.str_bytes.c_str(), (uint8_t*)spData.get());
        if (!write_file_bytes(file_path, item.write_addr, spData.get(), item.str_bytes.length() / 2)) {
            std::cout << "写入文件发生错误" << std::endl;
        }
    }
    if (vec_patch_bytes_data.size()) {
        std::cout << "Done." << std::endl;
    }
}

int main(int argc, char* argv[]) {
    ++argv;
    --argc;

    std::cout << "================================================================" << std::endl;
    std::cout << "  SKRoot Pro 奥创版 (Ultron Edition) V3.0" << std::endl;
    std::cout << "  Linux 6.6内核专用 - ARM64" << std::endl;
    std::cout << "================================================================" << std::endl;
    std::cout << "  Phase 1: 内存安全 + 块复制 + 缓存刷新 + 错误码" << std::endl;
    std::cout << "  Phase 2: 进程隐藏 + SELinux增强 + 反检测" << std::endl;
    std::cout << "  Phase 3: prctl通信 + dm-verity绕过" << std::endl;
    std::cout << "================================================================" << std::endl << std::endl;

    // 命令行参数解析
    bool auto_mode = false;
    std::string custom_key;
    const char* file_path = nullptr;
    
    for (int i = 0; i < argc; i++) {
        std::string arg = argv[i];
        if (arg == "--auto" || arg == "-a") {
            auto_mode = true;
        } else if ((arg == "--key" || arg == "-k") && i + 1 < argc) {
            custom_key = argv[++i];
        } else if (!file_path) {
            file_path = argv[i];
        }
    }

    if (!file_path) {
        std::cout << "无输入文件" << std::endl;
        std::cout << "用法: patch_kernel_sk <kernel_file> [--auto] [--key <48字符密钥>]" << std::endl;
        std::cout << "  --auto, -a    自动模式（生成随机密钥并写入）" << std::endl;
        std::cout << "  --key, -k     指定ROOT密钥" << std::endl;
        return 1;
    }

    std::cout << "输入文件: " << file_path << std::endl << std::endl;
    
    if (!check_file_path(file_path)) {
        std::cout << "请输入正确的Linux内核二进制文件路径" << std::endl;
        std::cout << "如果是boot.img，请先解包提取其中的kernel文件" << std::endl;
        return 1;
    }

    std::vector<char> file_buf = read_file_buf(file_path);
    if (!file_buf.size()) {
        std::cout << "无法打开文件: " << file_path << std::endl;
        return 1;
    }

    std::cout << "文件大小: " << file_buf.size() << " bytes" << std::endl << std::endl;

    // 解析内核符号
    SymbolAnalyze symbol_analyze(file_buf);
    if (!symbol_analyze.analyze_kernel_symbol()) {
        std::cout << "无法解析内核符号表" << std::endl;
        return 1;
    }
    KernelSymbolOffset sym = symbol_analyze.get_symbol_offset();

    // 打印关键符号信息
    std::cout << std::endl << "=== 关键符号 ===" << std::endl;
    std::cout << "sys_getuid: offset=0x" << std::hex << sym.sys_getuid.offset << ", size=0x" << sym.sys_getuid.size << std::endl;
    std::cout << "prctl_get_seccomp: offset=0x" << std::hex << sym.prctl_get_seccomp.offset << ", size=0x" << sym.prctl_get_seccomp.size << std::endl;
    std::cout << "die: offset=0x" << std::hex << sym.die.offset << ", size=0x" << sym.die.size << std::endl;
    std::cout << "arm64_notify_die: offset=0x" << std::hex << sym.arm64_notify_die.offset << ", size=0x" << sym.arm64_notify_die.size << std::endl;
    std::cout << "__drm_printfn_coredump: offset=0x" << std::hex << sym.__drm_printfn_coredump.offset << ", size=0x" << sym.__drm_printfn_coredump.size << std::endl;
    std::cout << "do_execveat_common: 0x" << std::hex << sym.do_execveat_common << std::endl;
    std::cout << "avc_denied: offset=0x" << std::hex << sym.avc_denied.offset << ", size=0x" << sym.avc_denied.size << std::endl;
    std::cout << "audit_log_start: 0x" << std::hex << sym.audit_log_start << std::endl;
    std::cout << "filldir64: 0x" << std::hex << sym.filldir64 << std::endl;
    
    // Pro版新增符号
    std::cout << std::endl << "=== Pro版模块系统符号 ===" << std::endl;
    std::cout << "kallsyms_lookup_name: 0x" << std::hex << sym.kallsyms_lookup_name;
    if (sym.kallsyms_lookup_name) std::cout << " [OK]"; else std::cout << " [未找到]";
    std::cout << std::endl;
    std::cout << "module_alloc: 0x" << std::hex << sym.module_alloc;
    if (sym.module_alloc) std::cout << " [OK]"; else std::cout << " [未找到]";
    std::cout << std::endl;
    std::cout << "module_memfree: 0x" << std::hex << sym.module_memfree;
    if (sym.module_memfree) std::cout << " [OK]"; else std::cout << " [未找到]";
    std::cout << std::endl;
    std::cout << "vfree(备用): 0x" << std::hex << sym.vfree;
    if (sym.vfree) std::cout << " [OK]"; else std::cout << " [未找到]";
    std::cout << std::endl;

    // 奥创版新增符号
    std::cout << std::endl << "=== 奥创版增强符号 ===" << std::endl;
    std::cout << "sys_prctl: 0x" << std::hex << sym.sys_prctl;
    if (sym.sys_prctl) std::cout << " [OK]"; else std::cout << " [未找到]";
    std::cout << std::endl;
    std::cout << "__arm64_sys_prctl: 0x" << std::hex << sym.__arm64_sys_prctl;
    if (sym.__arm64_sys_prctl) std::cout << " [OK]"; else std::cout << " [未找到]";
    std::cout << std::endl;
    std::cout << "selinux_enforcing: 0x" << std::hex << sym.selinux_enforcing;
    if (sym.selinux_enforcing) std::cout << " [OK]"; else std::cout << " [未找到]";
    std::cout << std::endl;
    std::cout << "sys_call_table: 0x" << std::hex << sym.sys_call_table;
    if (sym.sys_call_table) std::cout << " [OK]"; else std::cout << " [未找到]";
    std::cout << std::endl;
    std::cout << std::dec << std::endl;

    // 解析cred偏移
    std::string t_mode_name;
    size_t cred_offset = 0;
    size_t cred_uid_offset = 0;
    size_t seccomp_offset = 0;

    if (!parser_cred_offset(file_buf, sym.sys_getuid, t_mode_name, cred_offset)) {
        std::cout << "无法解析cred偏移" << std::endl;
        return 1;
    }
    std::cout << "cred偏移解析模式: " << t_mode_name << std::endl;

    if (!parse_cred_uid_offset(file_buf, sym.sys_getuid, cred_offset, cred_uid_offset)) {
        std::cout << "无法解析cred uid偏移" << std::endl;
        return 1;
    }
    std::cout << "cred uid偏移: " << cred_uid_offset << std::endl;

    if (!parser_seccomp_offset(file_buf, sym.prctl_get_seccomp, t_mode_name, seccomp_offset)) {
        std::cout << "无法解析seccomp偏移" << std::endl;
        return 1;
    }
    std::cout << "seccomp偏移解析模式: " << t_mode_name << std::endl;
    std::cout << "cred偏移: " << cred_offset << std::endl;
    std::cout << "seccomp偏移: " << seccomp_offset << std::endl << std::endl;

    std::vector<patch_bytes_data> vec_patch_bytes_data;
    
    // CFI和华为绕过
    cfi_bypass(file_buf, sym, vec_patch_bytes_data);
    huawei_bypass(file_buf, sym, vec_patch_bytes_data);

    // 执行6.6内核专用patch
    PatchKernelResult pr = patch_kernel_handler_66(file_buf, cred_offset, cred_uid_offset, seccomp_offset, sym, vec_patch_bytes_data);
    
    if (!pr.patched) {
        std::cout << "Patch失败: 无法找到合适的Hook空间" << std::endl;
        return 1;
    }

    std::cout << std::endl;
    std::cout << "Hook跳板区地址: 0x" << std::hex << pr.hook_area_start << std::endl;
    std::cout << "Hook跳板区大小: " << std::dec << pr.hook_area_size << " bytes" << std::endl;
    std::cout << "通信处理器地址: 0x" << std::hex << pr.comm_handler_addr << std::endl;
    std::cout << std::endl;

    // 生成ROOT密钥
    std::string str_root_key;
    
    if (!custom_key.empty() && custom_key.length() == ROOT_KEY_LEN) {
        str_root_key = custom_key;
        std::cout << "使用自定义ROOT密钥" << std::endl;
    } else if (auto_mode) {
        str_root_key = generate_random_str(ROOT_KEY_LEN);
        std::cout << "自动生成ROOT密钥" << std::endl;
    } else {
        // 交互模式
        size_t is_need_create_root_key = 0;
        std::cout << "请选择是否需要自动随机生成ROOT密钥（1需要；2不需要）：" << std::endl;
        std::cin >> std::dec >> is_need_create_root_key;
        
        if (is_need_create_root_key == 1) {
            str_root_key = generate_random_str(ROOT_KEY_LEN);
        } else {
            std::cout << "请输入ROOT密钥（48个字符的字符串，包含大小写和数字）：" << std::endl;
            std::cin >> str_root_key;
            std::cout << std::endl;
        }
    }

    // 写入ROOT密钥
    std::string write_key = str_root_key;
    write_key.erase(write_key.size() - 1);
    patch_data(file_buf, pr.root_key_start, (void*)write_key.c_str(), write_key.length() + 1, vec_patch_bytes_data);

    std::cout << std::endl;
    std::cout << "#获取ROOT权限的密钥(Key): " << str_root_key.c_str() << std::endl << std::endl;

    // 写入文件
    if (auto_mode) {
        write_all_patch(file_path, vec_patch_bytes_data);
        std::cout << std::endl;
        std::cout << "SKRoot Pro patch完成!" << std::endl;
        std::cout << "请使用magiskboot重新打包boot.img并刷入设备" << std::endl;
    } else {
        size_t need_write_modify_in_file = 0;
        std::cout << "#是否需要立即写入修改到文件？（1需要；2不需要）：" << std::endl;
        std::cin >> need_write_modify_in_file;
        
        if (need_write_modify_in_file == 1) {
            write_all_patch(file_path, vec_patch_bytes_data);
            std::cout << std::endl;
            std::cout << "SKRoot Pro patch完成!" << std::endl;
            std::cout << "请使用magiskboot重新打包boot.img并刷入设备" << std::endl;
        }
    }

    return 0;
}