#!/usr/bin/env bash test_description='S/MIME signature verification and decryption' . $(dirname "$0")/test-lib.sh || exit 1 test_require_external_prereq openssl test_require_external_prereq gpgsm FINGERPRINT=$(openssl x509 -fingerprint -in "$NOTMUCH_SRCDIR/test/smime/key+cert.pem" -noout | sed -e 's/^.*=//' -e s/://g) add_gpgsm_home test_begin_subtest "emacs delivery of S/MIME signed message" test_expect_success \ 'emacs_fcc_message \ "test signed message 001" \ "This is a test signed message." \ "(mml-secure-message-sign \"smime\")"' test_begin_subtest "emacs delivery of S/MIME encrypted + signed message" # Hard code the MML to avoid several interactive questions test_expect_success \ 'emacs_fcc_message \ "test encrypted message 001" \ "<#secure method=smime mode=signencrypt>\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 $NOTMUCH_SRCDIR/test/smime/test.crt 2>OUTPUT cat < EXPECTED Verification successful EOF test_expect_equal_file EXPECTED OUTPUT test_begin_subtest "signature verification (notmuch CLI)" output=$(notmuch show --format=json --verify subject:"test signed message 001" \ | notmuch_json_show_sanitize \ | sed -e 's|"created": [-1234567890]*|"created": 946728000|g' \ -e 's|"expires": [-1234567890]*|"expires": 424242424|g' ) expected='[[[{"id": "XXXXX", "match": true, "excluded": false, "filename": ["YYYYY"], "timestamp": 946728000, "date_relative": "2000-01-01", "tags": ["inbox","signed"], "crypto": {"signed": {"status": [{"fingerprint": "'$FINGERPRINT'", "status": "good","userid": "CN=Notmuch Test Suite","expires": 424242424, "created": 946728000}]}}, "headers": {"Subject": "test signed message 001", "From": "Notmuch Test Suite ", "To": "test_suite@notmuchmail.org", "Date": "Sat, 01 Jan 2000 12:00:00 +0000"}, "body": [{"id": 1, "sigstatus": [{"fingerprint": "'$FINGERPRINT'", "status": "good", "userid": "CN=Notmuch Test Suite", "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-disposition": "attachment", "content-length": "NONZERO", "content-transfer-encoding": "base64", "content-type": "application/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 $NOTMUCH_SRCDIR/test/smime/key+cert.pem |\ openssl smime -verify -CAfile $NOTMUCH_SRCDIR/test/smime/test.crt 2>OUTPUT cat < EXPECTED Verification successful EOF test_expect_equal_file EXPECTED OUTPUT test_begin_subtest "Decryption (notmuch CLI)" test_subtest_known_broken notmuch show --decrypt=true subject:"test encrypted message 001" |\ grep "^This is a" > OUTPUT cat < EXPECTED This is a test encrypted message. EOF test_expect_equal_file EXPECTED OUTPUT test_begin_subtest "Cryptographic message status (encrypted+signed)" test_subtest_known_broken output=$(notmuch show --format=json --decrypt=true subject:"test encrypted message 001") test_json_nodes <<<"$output" \ 'crypto_encrypted:[0][0][0]["crypto"]["decrypted"]["status"]="full"' \ 'crypto_sigok:[0][0][0]["crypto"]["signed"]["status"][0]["status"]="good"' \ 'crypto_fpr:[0][0][0]["crypto"]["signed"]["status"][0]["fingerprint"]="616F46CD73834C63847756AF0DFB64A6E0972A47"' \ 'crypto_uid:[0][0][0]["crypto"]["signed"]["status"][0]["userid"]="CN=Notmuch Test Suite"' test_begin_subtest "encrypted+signed message is known to be encrypted, but signature is unknown" test_subtest_known_broken output=$(notmuch search subject:"test encrypted message 001") test_expect_equal "$output" "thread:0000000000000002 2000-01-01 [1/1] Notmuch Test Suite; test encrypted message 001 (encrypted inbox)" test_begin_subtest "Encrypted body is not indexed" output=$(notmuch search 'this is a test encrypted message') test_expect_equal "$output" "" test_begin_subtest "Reindex cleartext" test_expect_success "notmuch reindex --decrypt=true subject:'test encrypted message 001'" test_begin_subtest "signature is now known" test_subtest_known_broken output=$(notmuch search subject:"test encrypted message 001") test_expect_equal "$output" "thread:0000000000000002 2000-01-01 [1/1] Notmuch Test Suite; test encrypted message 001 (encrypted inbox signed)" test_begin_subtest "Encrypted body is indexed" test_subtest_known_broken output=$(notmuch search 'this is a test encrypted message') test_expect_equal "$output" "thread:0000000000000002 2000-01-01 [1/1] Notmuch Test Suite; test encrypted message 001 (encrypted inbox signed)" add_email_corpus pkcs7 test_begin_subtest "index PKCS#7 SignedData message" output=$(notmuch search --output=messages Thanks) expected=id:smime-onepart-signed@protected-headers.example test_expect_equal "$expected" "$output" test_begin_subtest "do not index embedded certificates from PKCS#7 SignedData" output=$(notmuch search --output=messages 'LAMPS Certificate') expected='' test_expect_equal "$expected" "$output" test_begin_subtest "know the MIME type of the embedded part in PKCS#7 SignedData" test_subtest_known_broken output=$(notmuch search --output=messages 'mimetype:text/plain') expected=id:smime-onepart-signed@protected-headers.example test_expect_equal "$expected" "$output" test_begin_subtest "PKCS#7 SignedData message is tagged 'signed'" test_subtest_known_broken output=$(notmuch dump id:smime-onepart-signed@protected-headers.example) expected='#notmuch-dump batch-tag:3 config,properties,tags +inbox +signed +unread -- id:smime-onepart-signed@protected-headers.example' test_expect_equal "$expected" "$output" test_begin_subtest "show contents of PKCS#7 SignedData message" test_subtest_known_broken output=$(notmuch show --format=raw --part=2 id:smime-onepart-signed@protected-headers.example) whitespace=' ' expected="Bob, we need to cancel this contract. Please start the necessary processes to make that happen today. Thanks, Alice --${whitespace} Alice Lovelace President OpenPGP Example Corp" test_expect_equal "$expected" "$output" test_begin_subtest "reply to PKCS#7 SignedData message with proper quoting and attribution" test_subtest_known_broken output=$(notmuch reply id:smime-onepart-signed@protected-headers.example) expected="From: Notmuch Test Suite Subject: Re: The FooCorp contract To: Alice Lovelace , Bob Babbage In-Reply-To: References: On Tue, 26 Nov 2019 20:11:29 -0400, Alice Lovelace wrote: > Bob, we need to cancel this contract. >${whitespace} > Please start the necessary processes to make that happen today. >${whitespace} > Thanks, Alice > --${whitespace} > Alice Lovelace > President > OpenPGP Example Corp" test_expect_equal "$expected" "$output" test_begin_subtest "show PKCS#7 SignedData outputs valid JSON" output=$(notmuch show --format=json id:smime-onepart-signed@protected-headers.example) test_valid_json "$output" test_begin_subtest "Verify signature on PKCS#7 SignedData message" test_subtest_known_broken output=$(notmuch show --format=json id:smime-onepart-signed@protected-headers.example) test_json_nodes <<<"$output" \ 'crypto:[0][0][0]["crypto"]["signed"]["status"][0]={ "created" : 1574813489, "expires" : 2611032858, "fingerprint" : "702BA4B157F1E2B7D16B0C6A5FFC8A7DE2057DEB", "userid" : "CN=Alice Lovelace", "status" : "good" }' test_done