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
|
#!/bin/bash
# Query whether to grant authorization when a process accesses a file guarded by the checkperms translator.
#
# Copyright (C) 2002, 2013 Free Software Foundation, Inc.
#
# This file is part of the GNU Hurd.
#
# The GNU Hurd is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2, or (at
# your option) any later version.
#
# The GNU Hurd is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
USAGE="Usage: $0 [OPTION...] GROUP"
DOC="Query whether to grant authorization when a process accesses a file guarded by the checkperms translator for the GROUP."
while :; do
case "$1" in
--help|"-?")
echo "$USAGE"
echo "$DOC"
echo ""
echo " -?, --help Give this help list"
echo " --usage Give a short usage message"
echo " -V, --version Print program version"
exit 0;;
--usage)
echo "Usage: $0 [-V?] [--help] [--usage] [--version]"
exit 0;;
--version|-V)
echo "STANDARD_HURD_VERSION_queryauth_"; exit 0;;
--)
shift
break;;
-*)
echo 1>&2 "$0: unrecognized option \`$1'"
echo 1>&2 "Try \`$0 --help' or \`$0 --usage' for more information";
exit 1;;
*)
break;;
esac
done
if [ $# -eq 0 ]; then
echo missing GROUP
echo $USAGE
exit 1
fi
USER=$(whoami)
GROUP=$1
# create the controlling FIFOs, if needed
if [ ! -e /run/$USER/request-permission/$GROUP ]; then
mkdir -p /run/$USER/request-permission 2>/dev/null
mkfifo /run/$USER/request-permission/$GROUP
fi
if [ ! -e /run/$USER/grant-permission/$GROUP ]; then
mkdir -p /run/$USER/grant-permission 2>/dev/null
mkfifo /run/$USER/grant-permission/$GROUP
fi
while true; do
PID="$(cat /run/$USER/request-permission/$GROUP)"
echo Process "'"$PID"'" tries to access file guarded by the checkperms translator, but is not in the required group "'"$GROUP"'".
ps-hurd -p $PID -aeux
if [[ "$(read -e -p 'Grant permission and add group "'$GROUP'" for 5 minutes? [y/N]> '; echo $REPLY)" == [Yy]* ]]; then
addauth -p $PID -g $GROUP
echo 0 > /run/$USER/grant-permission/$GROUP
(sleep 300 && rmauth -p $PID -g $GROUP 2>/dev/null) &
else
echo 1 > /run/$USER/grant-permission/$GROUP
fi
done
|
