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miniupnp
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use OpenBSD pledge() to drop privileges 

To be tested

see #405
This commit is contained in:
Thomas Bernard 2019-10-03 23:23:53 +02:00
parent 174db857f8
commit 22223da9a1
3 changed files with 19 additions and 3 deletions
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5
miniupnpd/Changelog.txt
View File

@ -1,4 +1,7 @@
$Id: Changelog.txt,v 1.453 2019/10/02 22:12:37 nanard Exp $
$Id: Changelog.txt,v 1.454 2019/10/03 20:40:37 nanard Exp $
2019/10/03:
Use OpenBSD pledge()
2019/10/02:
Working NFTables implementation thanks to Paul Chambers

6
miniupnpd/genconfig.sh
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@ -1,5 +1,5 @@
#! /bin/sh
# $Id: genconfig.sh,v 1.100 2019/09/24 11:50:34 nanard Exp $
# $Id: genconfig.sh,v 1.103 2019/10/03 20:40:39 nanard Exp $
# vim: tabstop=4 shiftwidth=4 noexpandtab
#
# miniupnp daemon
@ -146,6 +146,10 @@ case $OS_NAME in
MAJORVER=`echo $OS_VERSION | cut -d. -f1`
MINORVER=`echo $OS_VERSION | cut -d. -f2`
#echo "OpenBSD majorversion=$MAJORVER minorversion=$MINORVER"
# The pledge() system call first appeared in OpenBSD 5.9.
if [ \( $MAJORVER -ge 6 \) -o \( $MAJORVER -eq 5 -a $MINORVER -ge 9 \) ]; then
echo "#define HAS_PLEDGE" >> ${CONFIGFILE}
fi
# rtableid was introduced in OpenBSD 4.0
if [ $MAJORVER -ge 4 ]; then
echo "#define PFRULE_HAS_RTABLEID" >> ${CONFIGFILE}

11
miniupnpd/miniupnpd.c
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@ -1,4 +1,4 @@
/* $Id: miniupnpd.c,v 1.235 2019/05/21 08:39:43 nanard Exp $ */
/* $Id: miniupnpd.c,v 1.237 2019/10/03 20:40:40 nanard Exp $ */
/* vim: tabstop=4 shiftwidth=4 noexpandtab
* MiniUPnP project
* http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
@ -2241,6 +2241,15 @@ main(int argc, char * * argv)
}
#endif
/* drop privileges */
#ifdef HAS_PLEDGE
/* mcast ? unix ? */
if (pledge("stdio inet pf", NULL) < 0) {
syslog(LOG_ERR, "pledge(): %m");
return 1;
}
#endif /* HAS_PLEDGE */
/* main loop */
while(!quitting)
{