From e8d5756467c521620b2e3140c15111f9ffd26bb1 Mon Sep 17 00:00:00 2001
From: Tony Murray <murraytony@gmail.com>
Date: Thu, 3 Dec 2015 13:23:37 -0600
Subject: [PATCH] Fix missing path info on nginx. Update nginx documentation to
 set the PATH_INFO variable. Avoid hacks in index.php if it PATH_INFO is
 already set for both nginx and apache.

---
 doc/Installation/Installation-(RHEL-CentOS).md |  1 +
 html/index.php                                 | 12 +++++++-----
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/doc/Installation/Installation-(RHEL-CentOS).md b/doc/Installation/Installation-(RHEL-CentOS).md
index 10767378d..ddfdc2cc1 100644
--- a/doc/Installation/Installation-(RHEL-CentOS).md
+++ b/doc/Installation/Installation-(RHEL-CentOS).md
@@ -186,6 +186,7 @@ server {
   try_files $uri $uri/ @librenms;
  }
  location ~ \.php {
+  fastcgi_param PATH_INFO $fastcgi_path_info;
   include fastcgi.conf;
   fastcgi_split_path_info ^(.+\.php)(/.+)$;
   fastcgi_pass unix:/var/run/php5-fpm.sock;
diff --git a/html/index.php b/html/index.php
index aee20f1d7..9a467c13b 100644
--- a/html/index.php
+++ b/html/index.php
@@ -12,11 +12,13 @@
  *
  */
 
-if( strstr($_SERVER['SERVER_SOFTWARE'],"nginx") ) {
-    $_SERVER['PATH_INFO'] = str_replace($_SERVER['PATH_TRANSLATED'].$_SERVER['PHP_SELF'],"",$_SERVER['ORIG_SCRIPT_FILENAME']);
-}
-else {
-    $_SERVER['PATH_INFO'] = !empty($_SERVER['PATH_INFO']) ? $_SERVER['PATH_INFO'] : (!empty($_SERVER['ORIG_PATH_INFO']) ? $_SERVER['ORIG_PATH_INFO'] : '');
+if (empty($_SERVER['PATH_INFO'])) {
+    if( strstr($_SERVER['SERVER_SOFTWARE'],"nginx") ) {
+        $_SERVER['PATH_INFO'] = str_replace($_SERVER['PATH_TRANSLATED'].$_SERVER['PHP_SELF'],"",$_SERVER['ORIG_SCRIPT_FILENAME']);
+    }
+    else {
+        $_SERVER['PATH_INFO'] = !empty($_SERVER['ORIG_PATH_INFO']) ? $_SERVER['ORIG_PATH_INFO'] : '';
+    }
 }
 
 function logErrors($errno, $errstr, $errfile, $errline) {