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-rw-r--r--tests/tls-verify-peer/t67
1 files changed, 57 insertions, 10 deletions
diff --git a/tests/tls-verify-peer/t b/tests/tls-verify-peer/t
index 9e4d9fa..2461a1f 100644
--- a/tests/tls-verify-peer/t
+++ b/tests/tls-verify-peer/t
@@ -1,6 +1,15 @@
+X509_SHA256="$(doveconf -c "$HOME_remote/.dovecot/config" -hx ssl_cert \
+ | openssl x509 -noout -fingerprint -sha256 \
+ | sed -rn "/^.*=\\s*/ {s///p;q}" | tr -d : | tr "[A-Z]" "[a-z]")"
+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}")"
+
unverified_peer() {
! interimap --debug || error
+ # make sure we aborted the handshake immediately after connecting
+ grep -Fx "remote: Peer certificate fingerprint: sha256\$$X509_SHA256" <"$STDERR" || error
grep -Fx "remote: ERROR: Can't initiate TLS/SSL handshake" <"$STDERR" || error
sed -nr "s/remote: \[[0-9]+\] (preverify=[0-9]+)$/\1/p" <"$STDERR" >"$TMPDIR/preverify"
[ -s "$TMPDIR/preverify" ] || error
@@ -11,12 +20,13 @@ unverified_peer() {
}
verified_peer() {
local i u
- for ((i = 0; i < 32; i++)); do
+ for ((i = 0; i < 4; i++)); do
u="$(shuf -n1 -e "local" "remote")"
sample_message | deliver -u "$u"
done
interimap --debug || error
+ grep -Fx "remote: Peer certificate fingerprint: sha256\$$X509_SHA256" <"$STDERR" || error
sed -nr "s/remote: \[[0-9]+\] (preverify=[0-9]+)$/\1/p" <"$STDERR" >"$TMPDIR/preverify"
[ -s "$TMPDIR/preverify" ] || error
! grep -Fvx "preverify=1" <"$TMPDIR/preverify" || error
@@ -28,9 +38,9 @@ verified_peer() {
}
# backup config
-install -m0600 "$XDG_CONFIG_HOME/interimap/config" "$XDG_CONFIG_HOME/interimap/config~"
+install -m0600 -- "$XDG_CONFIG_HOME/interimap/config" "$XDG_CONFIG_HOME/interimap/config~"
with_remote_config() {
- install -m0600 "$XDG_CONFIG_HOME/interimap/config~" "$XDG_CONFIG_HOME/interimap/config"
+ install -m0600 -- "$XDG_CONFIG_HOME/interimap/config~" "$XDG_CONFIG_HOME/interimap/config"
cat >>"$XDG_CONFIG_HOME/interimap/config"
}
@@ -39,42 +49,79 @@ 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: WARNING: Fingerprint doesn't match! MiTM in action?" <"$STDERR" || error
+grep -Fx "remote: Peer certificate matches pinned SPKI digest sha256\$$PKEY_SHA256" <"$STDERR" || error
step_done
capath=$(mktemp --tmpdir="$TMPDIR" --directory capath.XXXXXX)
+cp -T -- ~/.dovecot/conf.d/ca.crt "$capath/ca-certificates.crt"
step_start "SSL_CAfile"
if [ -f "/etc/ssl/certs/ca-certificates.crt" ]; then
- # our self-signed test cert should not be in there
+ # assume our fake root CA is not there
with_remote_config <<<"SSL_CAfile = /etc/ssl/certs/ca-certificates.crt"
unverified_peer
fi
-doveconf -c "$HOME_remote/.dovecot/config" -hx ssl_cert >"$capath/ca-certificates.crt"
+# default host (localhost) is the CN (and also subjectAltName)
with_remote_config <<<"SSL_CAfile = $capath/ca-certificates.crt"
verified_peer
+
+# hostnames and IPs included in the subjectAltName should work as well
+for host in "ip6-localhost" "127.0.0.1" "::1"; do
+ with_remote_config <<-EOF
+ host = $host
+ SSL_CAfile = $capath/ca-certificates.crt
+ EOF
+ verified_peer
+done
+
+# but not for other IPs or hostnames
+for host in "ip6-loopback" "127.0.1.1"; do
+ with_remote_config <<-EOF
+ host = $host
+ SSL_CAfile = $capath/ca-certificates.crt
+ EOF
+ unverified_peer
+done
+
step_done
step_start "SSL_CApath"
if [ -d "/etc/ssl/certs" ]; then
- # our self-signed test cert should not be in there
+ # assume our fake root CA is not there
with_remote_config <<<"SSL_CApath = /etc/ssl/certs"
unverified_peer
fi
c_rehash "$capath"
+# default host (localhost) is the CN (and also subjectAltName)
with_remote_config <<<"SSL_CApath = $capath"
verified_peer
+
+# hostnames and IPs included in the subjectAltName should work as well
+for host in "ip6-localhost" "127.0.0.1" "::1"; do
+ with_remote_config <<-EOF
+ host = $host
+ SSL_CApath = $capath
+ EOF
+ verified_peer
+done
+
+# but not for other IPs or hostnames
+for host in "ip6-loopback" "127.0.1.1"; do
+ with_remote_config <<-EOF
+ host = $host
+ SSL_CApath = $capath
+ EOF
+ unverified_peer
+done
+
step_done
# vim: set filetype=sh :