blob: 9b676a6c9a7caa6bddd87400fbf61d8a307a750d (
plain)
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
|
unverified_peer() {
! interimap --debug || error
grep -Fx "remote: ERROR: Can't initiate TLS/SSL handshake" <"$STDERR" || error
sed -nr "s/remote: \[[0-9]+\] (preverify=[0-9]+)$/\1/p" <"$STDERR" >"$TMPDIR/preverify"
[ -s "$TMPDIR/preverify" ] || error
! grep -Fvx "preverify=0" <"$TMPDIR/preverify" || error
# make sure we didn't send any credentials
! grep -E "^remote: C: .* (AUTHENTICATE|LOGIN) " <"$STDERR" || error
}
verified_peer() {
local i u
for ((i = 0; i < 32; i++)); do
u="$(shuf -n1 -e "local" "remote")"
sample_message | deliver -u "$u"
done
interimap --debug || error
sed -nr "s/remote: \[[0-9]+\] (preverify=[0-9]+)$/\1/p" <"$STDERR" >"$TMPDIR/preverify"
[ -s "$TMPDIR/preverify" ] || error
! grep -Fvx "preverify=1" <"$TMPDIR/preverify" || error
grep "^remote: SSL protocol: TLSv1\.[23] " <"$STDERR" || error
grep "^remote: SSL cipher: " <"$STDERR" || error
check_mailbox_status "INBOX"
}
# backup config
install -m0600 -- "$XDG_CONFIG_HOME/interimap/config" "$XDG_CONFIG_HOME/interimap/config~"
with_remote_config() {
install -m0600 -- "$XDG_CONFIG_HOME/interimap/config~" "$XDG_CONFIG_HOME/interimap/config"
cat >>"$XDG_CONFIG_HOME/interimap/config"
}
step_start "peer verification enabled by default"
unverified_peer
step_done
step_start "peer verification result honored when pinned pubkey matches"
PKEY_SHA256="$(doveconf -c "$HOME_remote/.dovecot/config" -hx ssl_cert \
| openssl x509 -pubkey | openssl pkey -pubin -outform DER \
| openssl dgst -sha256 | sed -rn "/^.*=\\s*/ {s///p;q}")"
with_remote_config <<-EOF
SSL_fingerprint = sha256\$$PKEY_SHA256
EOF
unverified_peer
grep -Fx "remote: Peer certificate matches pinned SPKI digest sha256\$$PKEY_SHA256" <"$STDERR" || error
step_done
capath=$(mktemp --tmpdir="$TMPDIR" --directory capath.XXXXXX)
step_start "SSL_CAfile"
if [ -f "/etc/ssl/certs/ca-certificates.crt" ]; then
# our fake root CA should not be in there
with_remote_config <<<"SSL_CAfile = /etc/ssl/certs/ca-certificates.crt"
unverified_peer
fi
cp -T -- ~/.dovecot/conf.d/ca.crt "$capath/ca-certificates.crt"
with_remote_config <<<"SSL_CAfile = $capath/ca-certificates.crt"
verified_peer
step_done
step_start "SSL_CApath"
if [ -d "/etc/ssl/certs" ]; then
# our fake root CA should not be in there
with_remote_config <<<"SSL_CApath = /etc/ssl/certs"
unverified_peer
fi
c_rehash "$capath"
with_remote_config <<<"SSL_CApath = $capath"
verified_peer
step_done
# vim: set filetype=sh :
|
