notmuch/test/T355-smime.sh
Daniel Kahn Gillmor d31161c212 tests: account for varying-size cryptographic signatures
GnuPG 2.1.16 is now injecting the full issuer fingerprint in its
signatures, which makes them about 32 octets larger when
ascii-armored.

This change in size means that the size of the MIME parts will vary
depending on the version of gpg that the user has installed.  at any
rate, the signature part should be non-zero (this is true for
basically any MIME part), so we just test for that instead of an exact
size.
2016-11-24 20:22:12 -04:00

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#!/usr/bin/env bash
test_description='S/MIME signature verification and decryption'
. ./test-lib.sh || exit 1
add_gpgsm_home ()
{
local fpr
[ -d ${GNUPGHOME} ] && return
mkdir -m 0700 "$GNUPGHOME"
gpgsm --no-tty --no-common-certs-import --disable-dirmngr --import < $TEST_DIRECTORY/smime/test.crt >"$GNUPGHOME"/import.log 2>&1
fpr=$(gpgsm --list-key test_suite@notmuchmail.org | sed -n 's/.*fingerprint: //p')
echo "$fpr S relax" >> $GNUPGHOME/trustlist.txt
test_debug "cat $GNUPGHOME/import.log"
}
test_require_external_prereq openssl
test_require_external_prereq gpgsm
cp $TEST_DIRECTORY/smime/key+cert.pem test_suite.pem
FINGERPRINT=$(openssl x509 -fingerprint -in test_suite.pem -noout | sed -e 's/^.*=//' -e s/://g)
add_gpgsm_home
test_expect_success 'emacs delivery of S/MIME signed message' \
'emacs_fcc_message \
"test signed message 001" \
"This is a test signed message." \
"(mml-secure-message-sign \"smime\")"'
# Hard code the MML to avoid several interactive questions
test_expect_success 'emacs delivery of S/MIME encrypted + signed message' \
'emacs_fcc_message \
"test encrypted message 001" \
"<#secure method=smime mode=signencrypt keyfile=\\\"test_suite.pem\\\" certfile=\\\"test_suite.pem\\\">\nThis is a test encrypted message.\n"'
test_begin_subtest "Signature verification (openssl)"
notmuch show --format=raw subject:"test signed message 001" |\
openssl smime -verify -CAfile $TEST_DIRECTORY/smime/test.crt 2>OUTPUT
cat <<EOF > EXPECTED
Verification successful
EOF
test_expect_equal_file EXPECTED OUTPUT
test_begin_subtest "signature verification (notmuch CLI)"
output=$(notmuch show --format=json --verify subject:"test signed message 001" \
| notmuch_json_show_sanitize \
| sed -e 's|"created": [-1234567890]*|"created": 946728000|' \
-e 's|"expires": [-1234567890]*|"expires": 424242424|' )
expected='[[[{"id": "XXXXX",
"match": true,
"excluded": false,
"filename": "YYYYY",
"timestamp": 946728000,
"date_relative": "2000-01-01",
"tags": ["inbox","signed"],
"headers": {"Subject": "test signed message 001",
"From": "Notmuch Test Suite <test_suite@notmuchmail.org>",
"To": "test_suite@notmuchmail.org",
"Date": "Sat, 01 Jan 2000 12:00:00 +0000"},
"body": [{"id": 1,
"sigstatus": [{"status": "good",
"fingerprint": "'$FINGERPRINT'",
"expires": 424242424,
"created": 946728000}],
"content-type": "multipart/signed",
"content": [{"id": 2,
"content-type": "text/plain",
"content": "This is a test signed message.\n"},
{"id": 3,
"content-length": "NONZERO",
"content-transfer-encoding": "base64",
"content-type": "application/x-pkcs7-signature",
"filename": "smime.p7s"}]}]},
[]]]]'
test_expect_equal_json \
"$output" \
"$expected"
test_begin_subtest "Decryption and signature verification (openssl)"
notmuch show --format=raw subject:"test encrypted message 001" |\
openssl smime -decrypt -recip test_suite.pem |\
openssl smime -verify -CAfile $TEST_DIRECTORY/smime/test.crt 2>OUTPUT
cat <<EOF > EXPECTED
Verification successful
EOF
test_expect_equal_file EXPECTED OUTPUT
test_done