From 17dd88e8045cd1e33a576ded82edc6571f899c3f Mon Sep 17 00:00:00 2001
From: KLuka <luka.krajger@gmail.com>
Date: Mon, 18 May 2015 16:26:38 +0200
Subject: [PATCH] Real IP recognition over proxy (man, help)

* Manual page and output of --help parameter were updated according
  to changes in previous commit.
---
 shellinabox/shellinaboxd.c      |  1 +
 shellinabox/shellinaboxd.man.in | 12 +++++++++---
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/shellinabox/shellinaboxd.c b/shellinabox/shellinaboxd.c
index bf44d2e..0df94bf 100644
--- a/shellinabox/shellinaboxd.c
+++ b/shellinabox/shellinaboxd.c
@@ -800,6 +800,7 @@ static void usage(void) {
           "  ${home}    - home directory\n"
           "  ${lines}   - number of rows\n"
           "  ${peer}    - name of remote peer\n"
+          "  ${realip}  - value of HTTP header field 'X-Real-IP'\n"
           "  ${uid}     - user id\n"
           "  ${url}     - the URL that serves the terminal session\n"
           "  ${user}    - user name\n"
diff --git a/shellinabox/shellinaboxd.man.in b/shellinabox/shellinaboxd.man.in
index 0e401a6..082b37e 100644
--- a/shellinabox/shellinaboxd.man.in
+++ b/shellinabox/shellinaboxd.man.in
@@ -449,6 +449,9 @@ number of rows.
 .B ${peer}
 name of remote peer.
 .TP
+.B ${realip}
+value of HTTP header field 'X-Real-IP'.
+.TP
 .B ${uid}
 numeric user id.
 .TP
@@ -458,11 +461,14 @@ the URL that serves the terminal session.
 .B ${user}
 user name.
 .P
-Other than the default environment variables of
+Other than the environment variables of
 .BR $TERM ,
-.B $COLUMNS
+.B $COLUMNS,
+.B $LINES,
+.B $SHELLINABOX_PEERNAME,
+.B $SHELLINABOX_REALIP
 and
-.BR $LINES ,
+.BR $SHELLINABOX_URL,
 services can have environment variables passed to them, by preceding
 the <cmdline> with space separated variable assignments of the form
 .IR KEY = VALUE .