From 820a232a960185f616a7957348926fb04bbef027 Mon Sep 17 00:00:00 2001
From: Lorenz Stechauner <lorenz.stechauner@necronda.net>
Date: Fri, 8 Jan 2021 19:59:18 +0100
Subject: [PATCH] Sending X-Forwarded-For

---
 src/client.c          | 4 +---
 src/necronda-server.h | 2 ++
 src/rev_proxy.c       | 2 ++
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/client.c b/src/client.c
index e74b1c4..6c6678c 100644
--- a/src/client.c
+++ b/src/client.c
@@ -13,9 +13,7 @@
 
 
 int server_keep_alive = 1;
-char *client_addr_str, *client_addr_str_ptr, *server_addr_str, *server_addr_str_ptr,
-        *log_client_prefix, *log_conn_prefix, *log_req_prefix,
-        *client_host_str, *client_geoip;
+char *log_client_prefix, *log_conn_prefix, *log_req_prefix, *client_geoip;
 
 struct timeval client_timeout = {.tv_sec = CLIENT_TIMEOUT, .tv_usec = 0};
 
diff --git a/src/necronda-server.h b/src/necronda-server.h
index 9fb6b64..0e5ee7d 100644
--- a/src/necronda-server.h
+++ b/src/necronda-server.h
@@ -81,4 +81,6 @@ int sockets[NUM_SOCKETS];
 pid_t children[MAX_CHILDREN];
 MMDB_s mmdbs[MAX_MMDB];
 
+char *client_addr_str, *client_addr_str_ptr, *server_addr_str, *server_addr_str_ptr, *client_host_str;
+
 #endif //NECRONDA_SERVER_NECRONDA_SERVER_H
diff --git a/src/rev_proxy.c b/src/rev_proxy.c
index bc46c61..2f14a24 100644
--- a/src/rev_proxy.c
+++ b/src/rev_proxy.c
@@ -99,6 +99,8 @@ int rev_proxy_init(http_req *req, http_res *res, host_config *conf, sock *client
     rev_proxy:
     http_remove_header_field(&req->hdr, "Connection", HTTP_REMOVE_ALL);
     http_add_header_field(&req->hdr, "Connection", "keep-alive");
+    http_remove_header_field(&req->hdr, "X-Forwarded-For", HTTP_REMOVE_ALL);
+    http_add_header_field(&req->hdr, "X-Forwarded-For", client_addr_str);
 
     ret = http_send_request(&rev_proxy, req);
     if (ret < 0) {