/mandos/trunk

To get this branch, use:
bzr branch /loggerhead/mandos/trunk
68 by Teddy Hogeborn
* initramfs-tools-hook: New.
1
#!/bin/sh
2
74 by Teddy Hogeborn
* Makefile (PREFIX, CONFDIR): New.
3
# This script will be run by 'mkinitramfs' when it creates the image.
4
# Its job is to decide which files to install, then install them into
5
# the staging area, where the initramfs is being created.  This
623 by Teddy Hogeborn
* initramfs-tools-hook: Bug fix: Make sure the right version of GnuPG
6
# happens when a new 'linux-image' package is installed, or when an
74 by Teddy Hogeborn
* Makefile (PREFIX, CONFDIR): New.
7
# administrator runs 'update-initramfs' by hand to update an initramfs
8
# image.
68 by Teddy Hogeborn
* initramfs-tools-hook: New.
9
10
# The environment contains at least:
11
#
74 by Teddy Hogeborn
* Makefile (PREFIX, CONFDIR): New.
12
#  DESTDIR -- The staging directory where the image is being built.
13
14
# No initramfs pre-requirements
68 by Teddy Hogeborn
* initramfs-tools-hook: New.
15
PREREQ="cryptroot"
16
17
prereqs()
18
{
19
	echo "$PREREQ"
20
}
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22
case $1 in
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# get pre-requisites
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prereqs)
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	prereqs
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	exit 0
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	;;
28
esac
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. /usr/share/initramfs-tools/hook-functions
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640 by Teddy Hogeborn
Use architecture libdir.
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for d in /usr/lib \
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    "/usr/lib/`dpkg-architecture -qDEB_HOST_MULTIARCH 2>/dev/null`" \
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    "`rpm --eval='%{_libdir}' 2>/dev/null`" /usr/local/lib; do
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    if [ -d "$d"/mandos ]; then
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	libdir="$d"
160 by Teddy Hogeborn
* Makefile: Changed to use symbolic instead of octal modes throughout.
37
	break
38
    fi
39
done
640 by Teddy Hogeborn
Use architecture libdir.
40
if [ -z "$libdir" ]; then
74 by Teddy Hogeborn
* Makefile (PREFIX, CONFDIR): New.
41
    # Mandos not found
42
    exit 1
43
fi
44
177 by Teddy Hogeborn
* Makefile (CONFDIR): Changed to be the same ("/etc/mandos") in both a
45
for d in /etc/keys/mandos /etc/mandos/keys; do
160 by Teddy Hogeborn
* Makefile: Changed to use symbolic instead of octal modes throughout.
46
    if [ -d "$d" ]; then
47
	keydir="$d"
48
	break
49
    fi
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done
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if [ -z "$keydir" ]; then
52
    # Mandos key directory not found
53
    exit 1
54
fi
55
333 by Teddy Hogeborn
Minor code cleanup; one minor bug fix.
56
set `{ getent passwd _mandos \
57
    || getent passwd nobody \
58
    || echo ::65534:65534:::; } \
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    | cut --delimiter=: --fields=3,4 --only-delimited \
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    --output-delimiter=" "`
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mandos_user="$1"
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mandos_group="$2"
166 by Teddy Hogeborn
* Makefile (confdir/clients.conf): Tighten permissions to "u=rw".
63
74 by Teddy Hogeborn
* Makefile (PREFIX, CONFDIR): New.
64
# The Mandos network client uses the network
68 by Teddy Hogeborn
* initramfs-tools-hook: New.
65
auto_add_modules net
74 by Teddy Hogeborn
* Makefile (PREFIX, CONFDIR): New.
66
# The Mandos network client uses IPv6
68 by Teddy Hogeborn
* initramfs-tools-hook: New.
67
force_load ipv6
68
74 by Teddy Hogeborn
* Makefile (PREFIX, CONFDIR): New.
69
# These are directories inside the initrd
68 by Teddy Hogeborn
* initramfs-tools-hook: New.
70
CONFDIR="/conf/conf.d/mandos"
74 by Teddy Hogeborn
* Makefile (PREFIX, CONFDIR): New.
71
MANDOSDIR="/lib/mandos"
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PLUGINDIR="${MANDOSDIR}/plugins.d"
738.1.6 by Teddy Hogeborn
Fix minor bugs and typos and add some more debug output.
73
PLUGINHELPERDIR="${MANDOSDIR}/plugin-helpers"
505.3.7 by teddy at bsnet
* initramfs-tools-hook: Install network hooks (and any required files)
74
HOOKDIR="${MANDOSDIR}/network-hooks.d"
74 by Teddy Hogeborn
* Makefile (PREFIX, CONFDIR): New.
75
76
# Make directories
166 by Teddy Hogeborn
* Makefile (confdir/clients.conf): Tighten permissions to "u=rw".
77
install --directory --mode=u=rwx,go=rx "${DESTDIR}${CONFDIR}" \
840 by Teddy Hogeborn
Client: Make plugin helper directory in initramfs image mode u=rwx,go=
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	"${DESTDIR}${MANDOSDIR}" "${DESTDIR}${HOOKDIR}"
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install --owner=${mandos_user} --group=${mandos_group} --directory \
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	--mode=u=rwx "${DESTDIR}${PLUGINDIR}" \
738.1.1 by Teddy Hogeborn
Add a plugin helper directory, available to all plugins.
81
	"${DESTDIR}${PLUGINHELPERDIR}"
68 by Teddy Hogeborn
* initramfs-tools-hook: New.
82
953 by Teddy Hogeborn
Adapt to changes in cryptsetup; use "cryptroot-unlock" program
83
copy_exec "$libdir"/mandos/mandos-to-cryptroot-unlock "${MANDOSDIR}"
84
74 by Teddy Hogeborn
* Makefile (PREFIX, CONFDIR): New.
85
# Copy the Mandos plugin runner
640 by Teddy Hogeborn
Use architecture libdir.
86
copy_exec "$libdir"/mandos/plugin-runner "${MANDOSDIR}"
74 by Teddy Hogeborn
* Makefile (PREFIX, CONFDIR): New.
87
88
# Copy the plugins
89
90
# Copy the packaged plugins
640 by Teddy Hogeborn
Use architecture libdir.
91
for file in "$libdir"/mandos/plugins.d/*; do
68 by Teddy Hogeborn
* initramfs-tools-hook: New.
92
    base="`basename \"$file\"`"
93
    # Is this plugin overridden?
94
    if [ -e "/etc/mandos/plugins.d/$base" ]; then
95
	continue
96
    fi
97
    case "$base" in
333 by Teddy Hogeborn
Minor code cleanup; one minor bug fix.
98
	*~|.*|\#*\#|*.dpkg-old|*.dpkg-bak|*.dpkg-new|*.dpkg-divert)
99
	    : ;;
364 by Teddy Hogeborn
* initramfs-tools-hook: Bug fix: Really install user-supplied plugins.
100
	"*") echo "W: Mandos client plugin directory is empty." >&2 ;;
305 by Teddy Hogeborn
* initramfs-tools-hook: Whitespace change only.
101
	*) copy_exec "$file" "${PLUGINDIR}" ;;
68 by Teddy Hogeborn
* initramfs-tools-hook: New.
102
    esac
103
done
104
738.1.1 by Teddy Hogeborn
Add a plugin helper directory, available to all plugins.
105
# Copy the packaged plugin helpers
106
for file in "$libdir"/mandos/plugin-helpers/*; do
107
    base="`basename \"$file\"`"
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    # Is this plugin overridden?
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    if [ -e "/etc/mandos/plugin-helpers/$base" ]; then
110
	continue
111
    fi
112
    case "$base" in
113
	*~|.*|\#*\#|*.dpkg-old|*.dpkg-bak|*.dpkg-new|*.dpkg-divert)
114
	    : ;;
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	"*") : ;;
116
	*) copy_exec "$file" "${PLUGINHELPERDIR}" ;;
117
    esac
118
done
119
74 by Teddy Hogeborn
* Makefile (PREFIX, CONFDIR): New.
120
# Copy any user-supplied plugins
68 by Teddy Hogeborn
* initramfs-tools-hook: New.
121
for file in /etc/mandos/plugins.d/*; do
122
    base="`basename \"$file\"`"
123
    case "$base" in
333 by Teddy Hogeborn
Minor code cleanup; one minor bug fix.
124
	*~|.*|\#*\#|*.dpkg-old|*.dpkg-bak|*.dpkg-new|*.dpkg-divert)
125
	    : ;;
364 by Teddy Hogeborn
* initramfs-tools-hook: Bug fix: Really install user-supplied plugins.
126
	"*") : ;;
305 by Teddy Hogeborn
* initramfs-tools-hook: Whitespace change only.
127
	*) copy_exec "$file" "${PLUGINDIR}" ;;
68 by Teddy Hogeborn
* initramfs-tools-hook: New.
128
    esac
129
done
130
738.1.1 by Teddy Hogeborn
Add a plugin helper directory, available to all plugins.
131
# Copy any user-supplied plugin helpers
132
for file in /etc/mandos/plugin-helpers/*; do
133
    base="`basename \"$file\"`"
134
    case "$base" in
135
	*~|.*|\#*\#|*.dpkg-old|*.dpkg-bak|*.dpkg-new|*.dpkg-divert)
136
	    : ;;
137
	"*") : ;;
138
	*) copy_exec "$file" "${PLUGINHELPERDIR}" ;;
139
    esac
140
done
141
505.3.24 by Teddy Hogeborn
* initramfs-tools-hook: Set DEVICE for network hooks.
142
# Get DEVICE from initramfs.conf and other files
143
. /etc/initramfs-tools/initramfs.conf
144
for conf in /etc/initramfs-tools/conf.d/*; do
145
    if [ -n `basename \"$conf\" | grep '^[[:alnum:]][[:alnum:]\._-]*$' \
146
	| grep -v '\.dpkg-.*$'` ]; then
895 by Teddy Hogeborn
Quote file names in initramfs hook scripts
147
	[ -f "${conf}" ] && . "${conf}"
505.3.24 by Teddy Hogeborn
* initramfs-tools-hook: Set DEVICE for network hooks.
148
    fi
149
done
150
export DEVICE
151
505.3.7 by teddy at bsnet
* initramfs-tools-hook: Install network hooks (and any required files)
152
# Copy network hooks
153
for hook in /etc/mandos/network-hooks.d/*; do
154
    case "`basename \"$hook\"`" in
155
	"*") continue ;;
505.3.14 by teddy at bsnet
Hooks take new "modules" argument, and hook names can contain periods.
156
	*[!A-Za-z0-9_.-]*) continue ;;
505.3.7 by teddy at bsnet
* initramfs-tools-hook: Install network hooks (and any required files)
157
	*) test -d "$hook" || copy_exec "$hook" "${HOOKDIR}" ;;
158
    esac
505.3.14 by teddy at bsnet
Hooks take new "modules" argument, and hook names can contain periods.
159
    if [ -x "$hook" ]; then
160
        # Copy any files needed by the network hook
161
	MANDOSNETHOOKDIR=/etc/mandos/network-hooks.d MODE=files \
896 by Teddy Hogeborn
Use "read -r" in shell scripts to avoid backslash escapes
162
	    VERBOSITY=0 "$hook" files | while read -r file target; do
505.3.19 by Teddy Hogeborn
* initramfs-tools-hook: Warn when files needed by network hooks are
163
	    if [ ! -e "${file}" ]; then
164
		echo "WARNING: file ${file} not found, requested by Mandos network hook '${hook##*/}'" >&2
165
	    fi
505.3.14 by teddy at bsnet
Hooks take new "modules" argument, and hook names can contain periods.
166
	    if [ -z "${target}" ]; then
167
		copy_exec "$file"
168
	    else
169
		copy_exec "$file" "$target"
170
	    fi
171
	done
172
        # Copy and load any modules needed by the network hook
173
	MANDOSNETHOOKDIR=/etc/mandos/network-hooks.d MODE=modules \
897 by Teddy Hogeborn
Remove useless code (and use "read -r") in initramfs-tools-hook
174
	    VERBOSITY=0 "$hook" modules | while read -r module; do
175
	    force_load "$module"
505.3.14 by teddy at bsnet
Hooks take new "modules" argument, and hook names can contain periods.
176
	done
177
    fi
505.3.7 by teddy at bsnet
* initramfs-tools-hook: Install network hooks (and any required files)
178
done
179
623 by Teddy Hogeborn
* initramfs-tools-hook: Bug fix: Make sure the right version of GnuPG
180
# GPGME needs GnuPG
717 by Teddy Hogeborn
mandos-client: Fix bug with GPGME 1.5.0.
181
gpg=/usr/bin/gpg
623 by Teddy Hogeborn
* initramfs-tools-hook: Bug fix: Make sure the right version of GnuPG
182
libgpgme11_version="`dpkg-query --showformat='${Version}' --show libgpgme11`"
717 by Teddy Hogeborn
mandos-client: Fix bug with GPGME 1.5.0.
183
if dpkg --compare-versions "$libgpgme11_version" ge 1.5.0-0.1; then
184
    if [ -e /usr/bin/gpgconf ]; then
185
	if [ ! -e "${DESTDIR}/usr/bin/gpgconf" ]; then
186
	    copy_exec /usr/bin/gpgconf
187
	fi
188
	gpg="`/usr/bin/gpgconf|sed --quiet --expression='s/^gpg:[^:]*://p'`"
853 by Teddy Hogeborn
Fix "bad gpgme_op_decrypt: GPGME: Decryption failed." on boot.
189
	gpgagent="`/usr/bin/gpgconf|sed --quiet --expression='s/^gpg-agent:[^:]*://p'`"
190
	# Newer versions of GnuPG 2 requires the gpg-agent binary
191
	if [ -e "$gpgagent" ] && [ ! -e "${DESTDIR}$gpgagent" ]; then
192
	    copy_exec "$gpgagent"
193
	fi
717 by Teddy Hogeborn
mandos-client: Fix bug with GPGME 1.5.0.
194
    fi
195
elif dpkg --compare-versions "$libgpgme11_version" ge 1.4.1-0.1; then
623 by Teddy Hogeborn
* initramfs-tools-hook: Bug fix: Make sure the right version of GnuPG
196
    gpg=/usr/bin/gpg2
197
fi
198
if [ ! -e "${DESTDIR}$gpg" ]; then
199
    copy_exec "$gpg"
200
fi
201
unset gpg
202
unset libgpgme11_version
68 by Teddy Hogeborn
* initramfs-tools-hook: New.
203
166 by Teddy Hogeborn
* Makefile (confdir/clients.conf): Tighten permissions to "u=rw".
204
# Config files
237.2.29 by Teddy Hogeborn
* initramfs-tools-hook: Only copy needed file; avoid copying Mandos
205
for file in /etc/mandos/plugin-runner.conf; do
166 by Teddy Hogeborn
* Makefile (confdir/clients.conf): Tighten permissions to "u=rw".
206
    if [ -d "$file" ]; then
207
	continue
208
    fi
209
    cp --archive --sparse=always "$file" "${DESTDIR}${CONFDIR}"
210
done
211
187.1.1 by Teddy Hogeborn
* debian/mandos.postinst: New. Create mandos user and group.
212
if [ ${mandos_user} != 65534 ]; then
342 by Teddy Hogeborn
* initramfs-tools-hook: Bug fix: Add "--userid" and "--groupid" to
213
    sed --in-place --expression="1i--userid=${mandos_user}" \
214
	"${DESTDIR}${CONFDIR}/plugin-runner.conf"
187.1.1 by Teddy Hogeborn
* debian/mandos.postinst: New. Create mandos user and group.
215
fi
216
217
if [ ${mandos_group} != 65534 ]; then
342 by Teddy Hogeborn
* initramfs-tools-hook: Bug fix: Add "--userid" and "--groupid" to
218
    sed --in-place --expression="1i--groupid=${mandos_group}" \
219
	"${DESTDIR}${CONFDIR}/plugin-runner.conf"
187.1.1 by Teddy Hogeborn
* debian/mandos.postinst: New. Create mandos user and group.
220
fi
221
505.1.4 by Teddy Hogeborn
Removed superflous white space.
222
# Key files
305 by Teddy Hogeborn
* initramfs-tools-hook: Whitespace change only.
223
for file in "$keydir"/*; do
166 by Teddy Hogeborn
* Makefile (confdir/clients.conf): Tighten permissions to "u=rw".
224
    if [ -d "$file" ]; then
225
	continue
226
    fi
763 by Teddy Hogeborn
mandos-client: Add --dh-params FILE option.
227
    case "$file" in
228
	*~|.*|\#*\#|*.dpkg-old|*.dpkg-bak|*.dpkg-new|*.dpkg-divert)
229
	    : ;;
230
	"*") : ;;
231
	*)
232
	    cp --archive --sparse=always "$file" \
233
	       "${DESTDIR}${CONFDIR}"
234
	    chown ${mandos_user}:${mandos_group} \
235
		  "${DESTDIR}${CONFDIR}/`basename \"$file\"`"
236
	    ;;
237
    esac
68 by Teddy Hogeborn
* initramfs-tools-hook: New.
238
done
764 by Teddy Hogeborn
initramfs-tools-hook: Use Diffie-Hellman parameters file if available.
239
# Use Diffie-Hellman parameters file if available
766 by Teddy Hogeborn
Rename the "client-dhparams.pem" file to simply "dhparams.pem".
240
if [ -e "${DESTDIR}${CONFDIR}"/dhparams.pem ]; then
764 by Teddy Hogeborn
initramfs-tools-hook: Use Diffie-Hellman parameters file if available.
241
    sed --in-place \
766 by Teddy Hogeborn
Rename the "client-dhparams.pem" file to simply "dhparams.pem".
242
	--expression="1i--options-for=mandos-client:--dh-params=${CONFDIR}/dhparams.pem" \
764 by Teddy Hogeborn
initramfs-tools-hook: Use Diffie-Hellman parameters file if available.
243
	"${DESTDIR}/${CONFDIR}/plugin-runner.conf"
244
fi
68 by Teddy Hogeborn
* initramfs-tools-hook: New.
245
74 by Teddy Hogeborn
* Makefile (PREFIX, CONFDIR): New.
246
# /lib/mandos/plugin-runner will drop priviliges, but needs access to
247
# its plugin directory and its config file.  However, since almost all
248
# files in initrd have been created with umask 027, this opening of
249
# permissions is needed.
68 by Teddy Hogeborn
* initramfs-tools-hook: New.
250
# 
251
# (The umask is not really intended to affect the files inside the
74 by Teddy Hogeborn
* Makefile (PREFIX, CONFDIR): New.
252
# initrd; it is intended to affect the initrd.img file itself, since
253
# it now contains secret key files.  There is, however, no other way
254
# to set the permission of the initrd.img file without a race
954 by Teddy Hogeborn
Move UMASK setting to more proper place
255
# condition.  This umask is set by "initramfs-tools-conf", installed
256
# as "/usr/share/initramfs-tools/conf.d/mandos-conf".)
68 by Teddy Hogeborn
* initramfs-tools-hook: New.
257
# 
166 by Teddy Hogeborn
* Makefile (confdir/clients.conf): Tighten permissions to "u=rw".
258
for full in "${MANDOSDIR}" "${CONFDIR}"; do
74 by Teddy Hogeborn
* Makefile (PREFIX, CONFDIR): New.
259
    while [ "$full" != "/" ]; do
260
	chmod a+rX "${DESTDIR}$full"
261
	full="`dirname \"$full\"`"
262
    done
68 by Teddy Hogeborn
* initramfs-tools-hook: New.
263
done
74 by Teddy Hogeborn
* Makefile (PREFIX, CONFDIR): New.
264
265
# Reset some other things to sane permissions which we have
266
# inadvertently affected with our umask setting.
68 by Teddy Hogeborn
* initramfs-tools-hook: New.
267
for dir in / /bin /etc /keyscripts /sbin /scripts /usr /usr/bin; do
160 by Teddy Hogeborn
* Makefile: Changed to use symbolic instead of octal modes throughout.
268
    if [ -d "${DESTDIR}$dir" ]; then
269
	chmod a+rX "${DESTDIR}$dir"
270
    fi
68 by Teddy Hogeborn
* initramfs-tools-hook: New.
271
done
300 by Teddy Hogeborn
* initramfs-tools-hook: Also fix /lib<qual> and /usr/lib<qual>
272
for dir in "${DESTDIR}"/lib* "${DESTDIR}"/usr/lib*; do
273
    if [ -d "$dir" ]; then
789 by Teddy Hogeborn
* initramfs-tools-hook: Don't try to chmod symlinks.
274
	find "$dir" \! -perm -u+rw,g+r -prune -or \! -type l -print0 \
275
	    | xargs --null --no-run-if-empty chmod a+rX --
300 by Teddy Hogeborn
* initramfs-tools-hook: Also fix /lib<qual> and /usr/lib<qual>
276
    fi
68 by Teddy Hogeborn
* initramfs-tools-hook: New.
277
done