18
18
. /usr/share/debconf/confmodule
20
# Update the initial RAM filesystem image
22
# Update the initial RAM file system image
23
if type update-initramfs >/dev/null 2>&1; then
25
update-initramfs -u -k all
27
if dpkg --compare-versions "$2" lt-nl "1.0.10-1"; then
28
# Make old initrd.img files unreadable too, in case they were
29
# created with mandos-client 1.0.8 or older.
30
find /boot -maxdepth 1 -type f -name "initrd.img-*.bak" \
31
-print0 | xargs --null --no-run-if-empty chmod o-r
28
35
# Add user and group
30
if ! getent passwd mandos >/dev/null; then
31
adduser --disabled-password --quiet --system \
32
--home /var/run/mandos --no-create-home \
33
--gecos "Mandos password daemon" --group mandos
37
# Create client key pair
39
if type mandos-keygen >/dev/null 2>&1; then
37
# Rename old "mandos" user and group
38
if dpkg --compare-versions "$2" lt "1.0.3-1"; then
39
case "`getent passwd mandos`" in
40
*:Mandos\ password\ system,,,:/nonexistent:/bin/false)
41
usermod --login _mandos mandos
42
groupmod --new-name _mandos mandos
47
# Create new user and group
48
if ! getent passwd _mandos >/dev/null; then
49
adduser --system --force-badname --quiet --home /nonexistent \
50
--no-create-home --group --disabled-password \
51
--gecos "Mandos password system" _mandos
55
# Create client key pairs
57
# If the OpenPGP key files do not exist, generate all keys using
59
if ! [ -r /etc/keys/mandos/pubkey.txt \
60
-a -r /etc/keys/mandos/seckey.txt ]; then
62
gpg-connect-agent KILLAGENT /bye || :
66
# Remove any bad TLS keys by 1.8.0-1
67
if dpkg --compare-versions "$2" eq "1.8.0-1" \
68
|| dpkg --compare-versions "$2" eq "1.8.0-1~bpo9+1"; then
70
if ! certtool --password='' \
71
--load-privkey=/etc/keys/mandos/tls-privkey.pem \
72
--outfile=/dev/null --pubkey-info --no-text \
74
shred --remove -- /etc/keys/mandos/tls-privkey.pem
75
rm -- /etc/keys/mandos/tls-pubkey.pem
79
# If the TLS keys already exists, do nothing
80
if [ -r /etc/keys/mandos/tls-privkey.pem \
81
-a -r /etc/keys/mandos/tls-pubkey.pem ]; then
85
# Try to create the TLS keys
87
TLS_PRIVKEYTMP="`mktemp -t mandos-client-privkey.XXXXXXXXXX`"
89
if certtool --generate-privkey --password='' \
90
--outfile "$TLS_PRIVKEYTMP" --sec-param ultra \
91
--key-type=ed25519 --pkcs8 --no-text 2>/dev/null; then
95
cp --archive "$TLS_PRIVKEYTMP" /etc/keys/mandos/tls-privkey.pem
96
shred --remove -- "$TLS_PRIVKEYTMP"
98
# First try certtool from GnuTLS
99
if ! certtool --password='' \
100
--load-privkey=/etc/keys/mandos/tls-privkey.pem \
101
--outfile=/etc/keys/mandos/tls-pubkey.pem --pubkey-info \
102
--no-text 2>/dev/null; then
103
# Otherwise try OpenSSL
104
if ! openssl pkey -in /etc/keys/mandos/tls-privkey.pem \
105
-out /etc/keys/mandos/tls-pubkey.pem -pubout; then
106
rm --force /etc/keys/mandos/tls-pubkey.pem
107
# None of the commands succeded; give up
114
key_id=$(mandos-keygen --passfile=/dev/null \
115
| grep --regexp="^key_id[ =]")
118
db_fset mandos-client/key_id seen false
119
db_reset mandos-client/key_id
120
db_subst mandos-client/key_id key_id $key_id
121
db_input critical mandos-client/key_id || true
125
shred --remove -- "$TLS_PRIVKEYTMP"
130
if [ -r /etc/keys/mandos/dhparams.pem ]; then
133
# Create a Diffe-Hellman parameters file
134
DHFILE="`mktemp -t mandos-client-dh-parameters.XXXXXXXXXX.pem`"
135
# First try certtool from GnuTLS
136
if ! certtool --generate-dh-params --sec-param high \
137
--outfile "$DHFILE"; then
138
# Otherwise try OpenSSL
139
if ! openssl genpkey -genparam -algorithm DH -out "$DHFILE" \
140
-pkeyopt dh_paramgen_prime_len:3072; then
141
# None of the commands succeded; give up
146
sed --in-place --expression='0,/^-----BEGIN DH PARAMETERS-----$/d' \
148
sed --in-place --expression='1i-----BEGIN DH PARAMETERS-----' \
150
cp --archive "$DHFILE" /etc/keys/mandos/dhparams.pem
158
create_dh_params "$@" || :
159
update_initramfs "$@"
160
if dpkg --compare-versions "$2" lt-nl "1.7.10-1"; then
161
PLUGINHELPERDIR=/usr/lib/$(dpkg-architecture -qDEB_HOST_MULTIARCH 2>/dev/null)/mandos/plugin-helpers
162
if ! dpkg-statoverride --list "$PLUGINHELPERDIR" \
163
>/dev/null 2>&1; then
164
chmod u=rwx,go= -- "$PLUGINHELPERDIR"
166
if ! dpkg-statoverride --list /etc/mandos/plugin-helpers \
167
>/dev/null 2>&1; then
168
chmod u=rwx,go= -- /etc/mandos/plugin-helpers
50
172
abort-upgrade|abort-deconfigure|abort-remove)
54
echo "$0 called with unknown argument \`$1'" 1>&2
176
echo "$0 called with unknown argument '$1'" 1>&2