15
15
# If prerm fails during replacement due to conflict:
16
16
# <postinst> abort-remove in-favour <new-package> <version>
18
. /usr/share/debconf/confmodule
18
22
# Update the initial RAM file system image
21
if [ -x /usr/sbin/update-initramfs ]; then
22
update-initramfs -u -k all
25
update-initramfs -u -k all
25
27
if dpkg --compare-versions "$2" lt-nl "1.0.10-1"; then
26
28
# Make old initrd.img files unreadable too, in case they were
27
29
# created with mandos-client 1.0.8 or older.
28
find /boot -maxdepth 1 -name "initrd.img-*.bak"-print0 \
29
| xargs --null --no-run-if-empty chmod o-r
30
find /boot -maxdepth 1 -type f -name "initrd.img-*.bak" \
31
-print0 | xargs --null --no-run-if-empty chmod o-r
33
35
# Add user and group
35
37
# Rename old "mandos" user and group
36
case "`getent passwd mandos`" in
37
*:Mandos\ password\ system,,,:/nonexistent:/bin/false)
38
usermod --login _mandos mandos
39
groupmod --new-name _mandos mandos
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
43
47
# Create new user and group
44
48
if ! getent passwd _mandos >/dev/null; then
45
49
adduser --system --force-badname --quiet --home /nonexistent \
51
# Create client key pair
53
if [ -r /etc/keys/mandos/pubkey.txt \
54
-a -r /etc/keys/mandos/seckey.txt ]; then
57
if [ -x /usr/sbin/mandos-keygen ]; then
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 "$2" eq "1.8.0-1~bpo9+1"; then
70
if ! certtool --password='' \
71
--load-privkey=/etc/keys/mandos/tls-privkey.pem \
72
--outfile=/dev/null --pubkey-info --no-text \
74
shred --remove -- /etc/keys/mandos/tls-privkey.pem \
76
rm --force -- /etc/keys/mandos/tls-pubkey.pem
80
# If the TLS keys already exists, do nothing
81
if [ -r /etc/keys/mandos/tls-privkey.pem \
82
-a -r /etc/keys/mandos/tls-pubkey.pem ]; then
86
# Try to create the TLS keys
88
TLS_PRIVKEYTMP="`mktemp -t mandos-client-privkey.XXXXXXXXXX`"
90
if certtool --generate-privkey --password='' \
91
--outfile "$TLS_PRIVKEYTMP" --sec-param ultra \
92
--key-type=ed25519 --pkcs8 --no-text 2>/dev/null; then
96
cp --archive "$TLS_PRIVKEYTMP" /etc/keys/mandos/tls-privkey.pem
97
shred --remove -- "$TLS_PRIVKEYTMP" 2>/dev/null || :
99
# First try certtool from GnuTLS
100
if ! certtool --password='' \
101
--load-privkey=/etc/keys/mandos/tls-privkey.pem \
102
--outfile=/etc/keys/mandos/tls-pubkey.pem --pubkey-info \
103
--no-text 2>/dev/null; then
104
# Otherwise try OpenSSL
105
if ! openssl pkey -in /etc/keys/mandos/tls-privkey.pem \
106
-out /etc/keys/mandos/tls-pubkey.pem -pubout; then
107
rm --force /etc/keys/mandos/tls-pubkey.pem
108
# None of the commands succeded; give up
115
key_id=$(mandos-keygen --passfile=/dev/null \
116
| grep --regexp="^key_id[ =]")
119
db_fset mandos-client/key_id seen false
120
db_reset mandos-client/key_id
121
db_subst mandos-client/key_id key_id $key_id
122
db_input critical mandos-client/key_id || true
126
shred --remove -- "$TLS_PRIVKEYTMP" 2>/dev/null || :
131
if [ -r /etc/keys/mandos/dhparams.pem ]; then
134
# Create a Diffe-Hellman parameters file
135
DHFILE="`mktemp -t mandos-client-dh-parameters.XXXXXXXXXX.pem`"
136
# First try certtool from GnuTLS
137
if ! certtool --generate-dh-params --sec-param high \
138
--outfile "$DHFILE"; then
139
# Otherwise try OpenSSL
140
if ! openssl genpkey -genparam -algorithm DH -out "$DHFILE" \
141
-pkeyopt dh_paramgen_prime_len:3072; then
142
# None of the commands succeded; give up
147
sed --in-place --expression='0,/^-----BEGIN DH PARAMETERS-----$/d' \
149
sed --in-place --expression='1i-----BEGIN DH PARAMETERS-----' \
151
cp --archive "$DHFILE" /etc/keys/mandos/dhparams.pem
64
157
add_mandos_user "$@"
159
create_dh_params "$@" || :
66
160
update_initramfs "$@"
161
if dpkg --compare-versions "$2" lt-nl "1.7.10-1"; then
162
PLUGINHELPERDIR=/usr/lib/$(dpkg-architecture -qDEB_HOST_MULTIARCH 2>/dev/null)/mandos/plugin-helpers
163
if ! dpkg-statoverride --list "$PLUGINHELPERDIR" \
164
>/dev/null 2>&1; then
165
chmod u=rwx,go= -- "$PLUGINHELPERDIR"
167
if ! dpkg-statoverride --list /etc/mandos/plugin-helpers \
168
>/dev/null 2>&1; then
169
chmod u=rwx,go= -- /etc/mandos/plugin-helpers
68
173
abort-upgrade|abort-deconfigure|abort-remove)