From 56fe66da7cb61044c4ca93f504101ea52787a6c5 Mon Sep 17 00:00:00 2001
From: ibranch7 <62053118+ibranch7@users.noreply.github.com>
Date: Wed, 9 Apr 2025 21:35:28 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8Dhttp=E6=96=87=E4=BB=B6?=
 =?UTF-8?q?=E4=B8=8B=E8=BD=BD=E6=8C=87=E5=AE=9A=E7=9B=AE=E5=BD=95=E6=97=B6?=
 =?UTF-8?q?mmap=E5=AF=BC=E8=87=B4=E5=B4=A9=E6=BA=83=E7=9A=84bug=20(#4213)?=
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在`HttpBody.cpp`中，`getSharedMmap`函数直接尝试对所有路径进行mmap操作，没有进行文件类型检查
---
 src/Http/HttpBody.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/Http/HttpBody.cpp b/src/Http/HttpBody.cpp
index b73538c7..018e3618 100644
--- a/src/Http/HttpBody.cpp
+++ b/src/Http/HttpBody.cpp
@@ -194,6 +194,13 @@ static std::shared_ptr<char> getSharedMmap(const string &file_path, int64_t &fil
 }
 
 HttpFileBody::HttpFileBody(const string &file_path, bool use_mmap) {
+
+    // 判断是否为目录，避免对目录进行mmap操作，导致程序崩溃。
+    if (File::is_dir(file_path)) {
+        _read_to = -1;
+        return;
+    }
+
     if (use_mmap ) {
         _map_addr = getSharedMmap(file_path, _read_to);       
     }