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070b8c39736f
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auth: only use X- headers instead of wsgi.url_scheme if explicitly told so in url_scheme_header - drop https_fixup setting
Before, several X- headers would be trusted to overrule the actual connection
protocol (http or https) seen by the Kallithea WSGI server. That was mainly
when https_fixup were set, but it incorrectly also kicked in if https_fixup or
use_htsts were configured. The ambiguity of which headers were used also made
it less reliable. The proxy server not only had to be configured to set one of
the headers correctly, it also had to make sure other headers were not passed
on from the client. It would thus in some cases be possible for clients to fake
the connection scheme, and thus potentially be possible to bypass restrictions
configured in Kallithea.
Fixed by making it configurable which WSGI environment variable to use for the
protocol. Users can configure url_scheme_header to for example
HTTP_X_FORWARDED_PROTO instead of using the default wsgi.url_scheme .
This change is a bit similar to what is going on in the https_fixup middleware,
but is doing a bit more of what for example is happening in similar code in
werkzeug/middleware/proxy_fix.py .
The semantics of the old https_fixup were unsafe, so it has been dropped.
Admins that are upgrading must change their configuration to use the new
url_scheme_header option.
Before, several X- headers would be trusted to overrule the actual connection
protocol (http or https) seen by the Kallithea WSGI server. That was mainly
when https_fixup were set, but it incorrectly also kicked in if https_fixup or
use_htsts were configured. The ambiguity of which headers were used also made
it less reliable. The proxy server not only had to be configured to set one of
the headers correctly, it also had to make sure other headers were not passed
on from the client. It would thus in some cases be possible for clients to fake
the connection scheme, and thus potentially be possible to bypass restrictions
configured in Kallithea.
Fixed by making it configurable which WSGI environment variable to use for the
protocol. Users can configure url_scheme_header to for example
HTTP_X_FORWARDED_PROTO instead of using the default wsgi.url_scheme .
This change is a bit similar to what is going on in the https_fixup middleware,
but is doing a bit more of what for example is happening in similar code in
werkzeug/middleware/proxy_fix.py .
The semantics of the old https_fixup were unsafe, so it has been dropped.
Admins that are upgrading must change their configuration to use the new
url_scheme_header option.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 | #!/bin/sh
########################################
#### THIS IS A REDHAT INIT.D SCRIPT ####
########################################
##################################################
#
# Kallithea server startup script
# Recommended default-startup: 2 3 4 5
# Recommended default-stop: 0 1 6
#
##################################################
APP_NAME="kallithea"
# the location of your app
# since this is a web app, it should go in /var/www
APP_PATH="/var/www/$APP_NAME"
CONF_NAME="production.ini"
# write to wherever the PID should be stored, just ensure
# that the user you run gearbox as has the appropriate permissions
# same goes for the log file
PID_PATH="/var/run/kallithea/pid"
LOG_PATH="/var/log/kallithea/kallithea.log"
# replace this with the path to the virtual environment you
# made for Kallithea
PYTHON_PATH="/opt/python_virtualenvironments/kallithea-venv"
RUN_AS="kallithea"
DAEMON="$PYTHON_PATH/bin/gearbox"
DAEMON_OPTS="serve --daemon \
--user=$RUN_AS \
--group=$RUN_AS \
--pid-file=$PID_PATH \
--log-file=$LOG_PATH -c $APP_PATH/$CONF_NAME"
DESC="kallithea-server"
LOCK_FILE="/var/lock/subsys/$APP_NAME"
# source CentOS init functions
. /etc/init.d/functions
RETVAL=0
remove_pid () {
rm -f ${PID_PATH}
rmdir `dirname ${PID_PATH}`
}
ensure_pid_dir () {
PID_DIR=`dirname ${PID_PATH}`
if [ ! -d ${PID_DIR} ] ; then
mkdir -p ${PID_DIR}
chown -R ${RUN_AS}:${RUN_AS} ${PID_DIR}
chmod 755 ${PID_DIR}
fi
}
start_kallithea () {
ensure_pid_dir
daemon --pidfile $PID_PATH \
--user $RUN_AS "$DAEMON $DAEMON_OPTS"
RETVAL=$?
[ $RETVAL -eq 0 ] && touch $LOCK_FILE
return $RETVAL
}
stop_kallithea () {
if [ -e $LOCK_FILE ]; then
killproc -p $PID_PATH
RETVAL=$?
rm -f $LOCK_FILE
rm -f $PID_PATH
else
RETVAL=1
fi
return $RETVAL
}
status_kallithea() {
if [ -e $LOCK_FILE ]; then
# exit with non-zero to indicate failure
RETVAL=1
else
RETVAL=0
fi
return $RETVAL
}
restart_kallithea () {
stop_kallithea
start_kallithea
RETVAL=$?
}
case "$1" in
start)
echo -n $"Starting $DESC: "
start_kallithea
echo
;;
stop)
echo -n $"Stopping $DESC: "
stop_kallithea
echo
;;
status)
status_kallithea
RETVAL=$?
if [ ! $RETVAL -eq 0 ]; then
echo "Kallithea server is running..."
else
echo "Kallithea server is stopped."
fi
;;
restart)
echo -n $"Restarting $DESC: "
restart_kallithea
echo
;;
*)
echo $"Usage: $0 {start|stop|restart|status}"
RETVAL=1
;;
esac
exit $RETVAL
|