1#!/bin/sh
2#
3# Copyright (c) 2013 Advanced Computing Technologies LLC
4# Written by: John H. Baldwin <jhb@FreeBSD.org>
5# All rights reserved.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the distribution.
15#
16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26# SUCH DAMAGE.
27#
28# $FreeBSD$
29
30# Regression tests for the pre-world (-p) mode 
31
32WORKDIR=work
33
34usage()
35{
36	echo "Usage: preworld.sh [-s script] [-w workdir]"
37	exit 1
38}
39
40# Allow the user to specify an alternate work directory or script.
41COMMAND=etcupdate
42while getopts "s:w:" option; do
43	case $option in
44		s)
45			COMMAND="sh $OPTARG"
46			;;
47		w)
48			WORKDIR=$OPTARG
49			;;
50		*)
51			echo
52			usage
53			;;
54	esac
55done
56shift $((OPTIND - 1))
57if [ $# -ne 0 ]; then
58	usage
59fi
60
61CONFLICTS=$WORKDIR/conflicts
62SRC=$WORKDIR/src
63OLD=$WORKDIR/current
64TEST=$WORKDIR/test
65
66build_trees()
67{
68
69	# Populate trees with pre-world files and additional files
70	# that should not be touched.
71
72	rm -rf $SRC $OLD $TEST $CONFLICTS
73
74	# Create the "old" source tree as the starting point
75	mkdir -p $OLD/etc
76	cat >> $OLD/etc/master.passwd <<EOF
77#
78root::0:0::0:0:Charlie &:/root:/bin/csh
79toor:*:0:0::0:0:Bourne-again Superuser:/root:
80daemon:*:1:1::0:0:Owner of many system processes:/root:/usr/sbin/nologin
81operator:*:2:5::0:0:System &:/:/usr/sbin/nologin
82_dhcp:*:65:65::0:0:dhcp programs:/var/empty:/usr/sbin/nologin
83uucp:*:66:66::0:0:UUCP pseudo-user:/var/spool/uucppublic:/usr/local/libexec/uucp/uucico
84pop:*:68:6::0:0:Post Office Owner:/nonexistent:/usr/sbin/nologin
85www:*:80:80::0:0:World Wide Web Owner:/nonexistent:/usr/sbin/nologin
86hast:*:845:845::0:0:HAST unprivileged user:/var/empty:/usr/sbin/nologin
87nobody:*:65534:65534::0:0:Unprivileged user:/nonexistent:/usr/sbin/nologin
88EOF
89	cat >> $OLD/etc/group <<EOF
90#
91wheel:*:0:root
92daemon:*:1:
93kmem:*:2:
94sys:*:3:
95tty:*:4:
96operator:*:5:root
97_dhcp:*:65:
98uucp:*:66:
99dialer:*:68:
100network:*:69:
101www:*:80:
102hast:*:845:
103nogroup:*:65533:
104nobody:*:65534:
105EOF
106	cat >> $OLD/etc/inetd.conf <<EOF
107# Yet another file
108EOF
109
110	# Copy the "old" source tree to the test tree and make local
111	# modifications.
112	cp -R $OLD $TEST
113	sed -I "" -e 's/root::/root:<rpass>:/' $TEST/etc/master.passwd
114	cat >> $TEST/etc/master.passwd <<EOF
115john:<password>:1001:1001::0:0:John Baldwin:/home/john:/bin/tcsh
116messagebus:*:556:556::0:0:D-BUS Daemon User:/nonexistent:/usr/sbin/nologin
117polkit:*:562:562::0:0:PolicyKit User:/nonexistent:/usr/sbin/nologin
118haldaemon:*:560:560::0:0:HAL Daemon User:/nonexistent:/usr/sbin/nologin
119EOF
120	awk '/wheel/ { printf "%s,john\n", $0; next } // { print }' \
121	    $OLD/etc/group > $TEST/etc/group
122	cat >> $TEST/etc/group <<EOF
123john:*:1001:
124messagebus:*:556:
125polkit:*:562:
126haldaemon:*:560:
127EOF
128	rm $TEST/etc/inetd.conf
129	touch $TEST/etc/localtime
130
131	# Copy the "old" source tree to the new source tree and
132	# make upstream modifications.
133	cp -R $OLD $SRC
134	sed -I "" -e '/:80:/i\
135auditdistd:*:78:77::0:0:Auditdistd unprivileged user:/var/empty:/usr/sbin/nologin' \
136	    $SRC/etc/master.passwd
137	sed -I "" -e '/:80:/i\
138audit:*:77:' \
139	    $SRC/etc/group
140	cat >> $SRC/etc/inetd.conf <<EOF
141# Making this larger
142EOF
143}
144
145# $1 - relative path to file that should be missing from TEST
146missing()
147{
148	if [ -e $TEST/$1 -o -L $TEST/$1 ]; then
149		echo "File $1 should be missing"
150	fi
151}
152
153# $1 - relative path to file that should be present in TEST
154present()
155{
156	if ! [ -e $TEST/$1 -o -L $TEST/$1 ]; then
157		echo "File $1 should be present"
158	fi
159}
160
161# $1 - relative path to regular file that should be present in TEST
162# $2 - optional string that should match file contents
163# $3 - optional MD5 of the flie contents, overrides $2 if present
164file()
165{
166	local contents sum
167
168	if ! [ -f $TEST/$1 ]; then
169		echo "File $1 should be a regular file"
170	elif [ $# -eq 2 ]; then
171		contents=`cat $TEST/$1`
172		if [ "$contents" != "$2" ]; then
173			echo "File $1 has wrong contents"
174		fi
175	elif [ $# -eq 3 ]; then
176		sum=`md5 -q $TEST/$1`
177		if [ "$sum" != "$3" ]; then
178			echo "File $1 has wrong contents"
179		fi
180	fi
181}
182
183# $1 - relative path to a regular file that should have a conflict
184# $2 - optional MD5 of the conflict file contents
185conflict()
186{
187	local sum
188
189	if ! [ -f $CONFLICTS/$1 ]; then
190		echo "File $1 missing conflict"
191	elif [ $# -gt 1 ]; then
192		sum=`md5 -q $CONFLICTS/$1`
193		if [ "$sum" != "$2" ]; then
194			echo "Conflict $1 has wrong contents"
195		fi
196	fi
197}
198
199check_trees()
200{
201
202	echo "Checking tree for correct results:"
203
204	file /etc/master.passwd "" 1385366e8b424d33d59b7d8a2bdb15d3
205	file /etc/group "" 21273f845f6ec0cda9188c4ddac9ed47
206	missing /etc/inetd.conf
207
208	# These should be auto-generated by pwd_mkdb
209	file /etc/passwd "" 9831537874bdc99adccaa2b0293248a1
210	file /etc/pwd.db
211	file /etc/spwd.db
212}
213
214if [ `id -u` -ne 0 ]; then
215	echo "must be root"
216fi
217
218if [ -r /etc/etcupdate.conf ]; then
219	echo "WARNING: /etc/etcupdate.conf settings may break some tests."
220fi
221
222build_trees
223
224$COMMAND -np -s $SRC -d $WORKDIR -D $TEST > $WORKDIR/testn.out
225
226cat > $WORKDIR/correct.out <<EOF
227  M /etc/group
228  M /etc/master.passwd
229EOF
230
231echo "Differences for -n:"
232diff -u -L "correct" $WORKDIR/correct.out -L "test" $WORKDIR/testn.out
233
234$COMMAND -p -s $SRC -d $WORKDIR -D $TEST > $WORKDIR/test.out
235
236echo "Differences for real:"
237diff -u -L "correct" $WORKDIR/correct.out -L "test" $WORKDIR/test.out
238
239check_trees
240