From f670c1c8a15420d9f80c87e85fa3a57de9b6e81a Mon Sep 17 00:00:00 2001
From: tastytea <tastytea@tastytea.de>
Date: Wed, 28 Nov 2018 17:29:08 +0100
Subject: [PATCH] Abort if favicon is requested.

---
 src/http.cpp           | 5 +++++
 src/libravatarserv.cpp | 3 +--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/http.cpp b/src/http.cpp
index 9ffccb9..a7a9add 100644
--- a/src/http.cpp
+++ b/src/http.cpp
@@ -26,6 +26,11 @@ using namespace http;
 
 const Request http::parse_request(const string &request)
 {
+    if (request.substr(0, 8) == "/favicon")
+    {
+        cout << "Status: 404 Not Found\n\n";
+        std::exit(0);
+    }
     if (request.substr(0, 8) != "/avatar/" ||
         request.find("..", 8) != std::string::npos)
     {
diff --git a/src/libravatarserv.cpp b/src/libravatarserv.cpp
index b5e0500..f6c1f0a 100644
--- a/src/libravatarserv.cpp
+++ b/src/libravatarserv.cpp
@@ -44,6 +44,7 @@ int main()
         cerr << "Error: ${REQUEST_URI} is empty.\n";
         return 1;
     }
+    http::Request avatar = http::parse_request(request);
 
     if (!find_avatar_dir())
     {
@@ -54,8 +55,6 @@ int main()
     hash::fill_table();
     read_settings();
 
-    http::Request avatar = http::parse_request(request);
-
     image::Image image = image::get(avatar.digest, avatar.size);
     if (image.error == 0)
     {