#!/usr/bin/env bash # TODO: # - decryption/verification with signer key not available # - verification of signatures from expired/revoked keys test_description='PGP/MIME signature verification and decryption' . ./test-lib.sh || exit 1 add_gnupg_home () { local output [ -d ${GNUPGHOME} ] && return _gnupg_exit () { gpgconf --kill all 2>/dev/null || true; } at_exit_function _gnupg_exit mkdir -m 0700 "$GNUPGHOME" gpg --no-tty --import <$TEST_DIRECTORY/gnupg-secret-key.asc >"$GNUPGHOME"/import.log 2>&1 test_debug "cat $GNUPGHOME/import.log" if (gpg --quick-random --version >/dev/null 2>&1) ; then echo quick-random >> "$GNUPGHOME"/gpg.conf elif (gpg --debug-quick-random --version >/dev/null 2>&1) ; then echo debug-quick-random >> "$GNUPGHOME"/gpg.conf fi echo no-emit-version >> "$GNUPGHOME"/gpg.conf } ################################################## add_gnupg_home # Change this if we ship a new test key FINGERPRINT="5AEAB11F5E33DCE875DDB75B6D92612D94E46381" test_begin_subtest "emacs delivery of signed message" test_expect_success \ 'emacs_fcc_message \ "test signed message 001" \ "This is a test signed message." \ "(mml-secure-message-sign)"' test_begin_subtest "signature verification" output=$(notmuch show --format=json --verify subject:"test signed message 001" \ | notmuch_json_show_sanitize \ | sed -e 's|"created": [1234567890]*|"created": 946728000|') expected='[[[{"id": "XXXXX", "match": true, "excluded": false, "filename": ["YYYYY"], "timestamp": 946728000, "date_relative": "2000-01-01", "tags": ["inbox","signed"], "headers": {"Subject": "test signed message 001", "From": "Notmuch Test Suite ", "To": "test_suite@notmuchmail.org", "Date": "Sat, 01 Jan 2000 12:00:00 +0000"}, "body": [{"id": 1, "sigstatus": [{"status": "good", "fingerprint": "'$FINGERPRINT'", "created": 946728000}], "content-type": "multipart/signed", "content": [{"id": 2, "content-type": "text/plain", "content": "This is a test signed message.\n"}, {"id": 3, "content-type": "application/pgp-signature", "content-length": "NONZERO"}]}]}, []]]]' test_expect_equal_json \ "$output" \ "$expected" test_begin_subtest "detection of modified signed contents" emacs_fcc_message \ "bad signed message 001" \ "Incriminating stuff. This is a test signed message." \ "(mml-secure-message-sign)" file=$(notmuch search --output=files subject:"bad signed message 001") sed -i 's/Incriminating stuff. //' ${file} output=$(notmuch show --format=json --verify subject:"bad signed message 001" \ | notmuch_json_show_sanitize \ | sed -e 's|"created": [1234567890]*|"created": 946728000|') expected='[[[{"id": "XXXXX", "match": true, "excluded": false, "filename": ["YYYYY"], "timestamp": 946728000, "date_relative": "2000-01-01", "tags": ["inbox","signed"], "headers": {"Subject": "bad 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": [{"status": "bad", "keyid": "'$(echo $FINGERPRINT | cut -c 25-)'"}], "content-type": "multipart/signed", "content": [{"id": 2, "content-type": "text/plain", "content": "This is a test signed message.\n"}, {"id": 3, "content-type": "application/pgp-signature", "content-length": "NONZERO"}]}]}, []]]]' test_expect_equal_json \ "$output" \ "$expected" test_begin_subtest "corrupted pgp/mime signature" emacs_fcc_message \ "bad signed message 002" \ "Incriminating stuff. This is a test signed message." \ "(mml-secure-message-sign)" file=$(notmuch search --output=files subject:"bad signed message 002") awk '/-----BEGIN PGP SIGNATURE-----/{flag=1;print;next} \ /-----END PGP SIGNATURE-----/{flag=0;print;next} \ flag{gsub(/[A-Za-z]/,"0");print}!flag{print}' $file > $file.new rm $file mv $file.new $file output=$(notmuch show --format=json --verify subject:"bad signed message 002" \ | notmuch_json_show_sanitize \ | sed -e 's|"created": [1234567890]*|"created": 946728000|') expected='[[[{"id": "XXXXX", "match": true, "excluded": false, "filename": ["YYYYY"], "timestamp": 946728000, "date_relative": "2000-01-01", "tags": ["inbox","signed"], "headers": {"Subject": "bad signed message 002", "From": "Notmuch Test Suite ", "To": "test_suite@notmuchmail.org", "Date": "Sat, 01 Jan 2000 12:00:00 +0000"}, "body": [{"id": 1, "sigstatus": [], "content-type": "multipart/signed", "content": [{"id": 2, "content-type": "text/plain", "content": "Incriminating stuff. This is a test signed message.\n"}, {"id": 3, "content-type": "application/pgp-signature", "content-length": "NONZERO"}]}]}, []]]]' test_expect_equal_json \ "$output" \ "$expected" test_begin_subtest "signature verification with full owner trust" # give the key full owner trust echo "${FINGERPRINT}:6:" | gpg --no-tty --import-ownertrust >>"$GNUPGHOME"/trust.log 2>&1 gpg --no-tty --check-trustdb >>"$GNUPGHOME"/trust.log 2>&1 output=$(notmuch show --format=json --verify subject:"test signed message 001" \ | notmuch_json_show_sanitize \ | sed -e 's|"created": [1234567890]*|"created": 946728000|') 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 ", "To": "test_suite@notmuchmail.org", "Date": "Sat, 01 Jan 2000 12:00:00 +0000"}, "body": [{"id": 1, "sigstatus": [{"status": "good", "fingerprint": "'$FINGERPRINT'", "created": 946728000, "userid": " Notmuch Test Suite (INSECURE!)"}], "content-type": "multipart/signed", "content": [{"id": 2, "content-type": "text/plain", "content": "This is a test signed message.\n"}, {"id": 3, "content-type": "application/pgp-signature", "content-length": "NONZERO"}]}]}, []]]]' test_expect_equal_json \ "$output" \ "$expected" test_begin_subtest "signature verification with signer key unavailable" # move the gnupghome temporarily out of the way mv "${GNUPGHOME}"{,.bak} output=$(notmuch show --format=json --verify subject:"test signed message 001" \ | notmuch_json_show_sanitize \ | sed -e 's|"created": [1234567890]*|"created": 946728000|') expected='[[[{"id": "XXXXX", "match": true, "excluded": false, "filename": ["YYYYY"], "timestamp": 946728000, "date_relative": "2000-01-01", "tags": ["inbox","signed"], "headers": {"Subject": "test signed message 001", "From": "Notmuch Test Suite ", "To": "test_suite@notmuchmail.org", "Date": "Sat, 01 Jan 2000 12:00:00 +0000"}, "body": [{"id": 1, "sigstatus": [{"status": "error", "keyid": "'$(echo $FINGERPRINT | cut -c 25-)'", "errors": {"key-missing": true}}], "content-type": "multipart/signed", "content": [{"id": 2, "content-type": "text/plain", "content": "This is a test signed message.\n"}, {"id": 3, "content-type": "application/pgp-signature", "content-length": "NONZERO"}]}]}, []]]]' test_expect_equal_json \ "$output" \ "$expected" mv "${GNUPGHOME}"{.bak,} test_begin_subtest "emacs delivery of encrypted message with attachment" # create a test encrypted message with attachment cat <TESTATTACHMENT This is a test file. EOF test_expect_success \ 'emacs_fcc_message \ "test encrypted message 001" \ "This is a test encrypted message.\n" \ "(mml-attach-file \"TESTATTACHMENT\") (mml-secure-message-encrypt)"' test_begin_subtest "decryption, --format=text" output=$(notmuch show --format=text --decrypt subject:"test encrypted message 001" \ | notmuch_show_sanitize_all \ | sed -e 's|"created": [1234567890]*|"created": 946728000|') expected=' message{ id:XXXXX depth:0 match:1 excluded:0 filename:XXXXX header{ Notmuch Test Suite (2000-01-01) (encrypted inbox) Subject: test encrypted message 001 From: Notmuch Test Suite To: test_suite@notmuchmail.org Date: Sat, 01 Jan 2000 12:00:00 +0000 header} body{ part{ ID: 1, Content-type: multipart/encrypted part{ ID: 2, Content-type: application/pgp-encrypted Non-text part: application/pgp-encrypted part} part{ ID: 3, Content-type: multipart/mixed part{ ID: 4, Content-type: text/plain This is a test encrypted message. part} attachment{ ID: 5, Filename: TESTATTACHMENT, Content-type: application/octet-stream Non-text part: application/octet-stream attachment} part} part} body} message}' test_expect_equal \ "$output" \ "$expected" test_begin_subtest "decryption, --format=json" output=$(notmuch show --format=json --decrypt subject:"test encrypted message 001" \ | notmuch_json_show_sanitize \ | sed -e 's|"created": [1234567890]*|"created": 946728000|') expected='[[[{"id": "XXXXX", "match": true, "excluded": false, "filename": ["YYYYY"], "timestamp": 946728000, "date_relative": "2000-01-01", "tags": ["encrypted","inbox"], "headers": {"Subject": "test encrypted message 001", "From": "Notmuch Test Suite ", "To": "test_suite@notmuchmail.org", "Date": "Sat, 01 Jan 2000 12:00:00 +0000"}, "body": [{"id": 1, "encstatus": [{"status": "good"}], "sigstatus": [], "content-type": "multipart/encrypted", "content": [{"id": 2, "content-type": "application/pgp-encrypted", "content-length": "NONZERO"}, {"id": 3, "content-type": "multipart/mixed", "content": [{"id": 4, "content-type": "text/plain", "content": "This is a test encrypted message.\n"}, {"id": 5, "content-type": "application/octet-stream", "content-disposition": "attachment", "content-length": "NONZERO", "content-transfer-encoding": "base64", "filename": "TESTATTACHMENT"}]}]}]}, []]]]' test_expect_equal_json \ "$output" \ "$expected" test_begin_subtest "decryption, --format=json, --part=4" output=$(notmuch show --format=json --part=4 --decrypt subject:"test encrypted message 001" \ | notmuch_json_show_sanitize \ | sed -e 's|"created": [1234567890]*|"created": 946728000|') expected='{"id": 4, "content-type": "text/plain", "content": "This is a test encrypted message.\n"}' test_expect_equal_json \ "$output" \ "$expected" test_begin_subtest "decrypt attachment (--part=5 --format=raw)" notmuch show \ --format=raw \ --part=5 \ --decrypt \ subject:"test encrypted message 001" >OUTPUT test_expect_equal_file TESTATTACHMENT OUTPUT test_begin_subtest "decryption failure with missing key" mv "${GNUPGHOME}"{,.bak} output=$(notmuch show --format=json --decrypt subject:"test encrypted message 001" \ | notmuch_json_show_sanitize \ | sed -e 's|"created": [1234567890]*|"created": 946728000|') expected='[[[{"id": "XXXXX", "match": true, "excluded": false, "filename": ["YYYYY"], "timestamp": 946728000, "date_relative": "2000-01-01", "tags": ["encrypted","inbox"], "headers": {"Subject": "test encrypted message 001", "From": "Notmuch Test Suite ", "To": "test_suite@notmuchmail.org", "Date": "Sat, 01 Jan 2000 12:00:00 +0000"}, "body": [{"id": 1, "encstatus": [{"status": "bad"}], "content-type": "multipart/encrypted", "content": [{"id": 2, "content-type": "application/pgp-encrypted", "content-length": "NONZERO"}, {"id": 3, "content-type": "application/octet-stream", "content-length": "NONZERO"}]}]}, []]]]' test_expect_equal_json \ "$output" \ "$expected" mv "${GNUPGHOME}"{.bak,} test_begin_subtest "emacs delivery of encrypted + signed message" test_expect_success \ 'emacs_fcc_message \ "test encrypted message 002" \ "This is another test encrypted message.\n" \ "(mml-secure-message-sign-encrypt)"' test_begin_subtest "decryption + signature verification" output=$(notmuch show --format=json --decrypt subject:"test encrypted message 002" \ | notmuch_json_show_sanitize \ | sed -e 's|"created": [1234567890]*|"created": 946728000|') expected='[[[{"id": "XXXXX", "match": true, "excluded": false, "filename": ["YYYYY"], "timestamp": 946728000, "date_relative": "2000-01-01", "tags": ["encrypted","inbox"], "headers": {"Subject": "test encrypted message 002", "From": "Notmuch Test Suite ", "To": "test_suite@notmuchmail.org", "Date": "Sat, 01 Jan 2000 12:00:00 +0000"}, "body": [{"id": 1, "encstatus": [{"status": "good"}], "sigstatus": [{"status": "good", "fingerprint": "'$FINGERPRINT'", "created": 946728000, "userid": " Notmuch Test Suite (INSECURE!)"}], "content-type": "multipart/encrypted", "content": [{"id": 2, "content-type": "application/pgp-encrypted", "content-length": "NONZERO"}, {"id": 3, "content-type": "text/plain", "content": "This is another test encrypted message.\n"}]}]}, []]]]' test_expect_equal_json \ "$output" \ "$expected" test_begin_subtest "reply to encrypted message" output=$(notmuch reply --decrypt subject:"test encrypted message 002" \ | grep -v -e '^In-Reply-To:' -e '^References:') expected='From: Notmuch Test Suite Subject: Re: test encrypted message 002 On 01 Jan 2000 12:00:00 -0000, Notmuch Test Suite wrote: > This is another test encrypted message.' test_expect_equal \ "$output" \ "$expected" test_begin_subtest "Reply within emacs to an encrypted message" test_emacs "(let ((message-hidden-headers '()) (notmuch-crypto-process-mime 't)) (notmuch-show \"subject:test.encrypted.message.002\") (notmuch-show-reply) (test-output))" # the empty To: is probably a bug, but it's not to do with encryption grep -v -e '^In-Reply-To:' -e '^References:' -e '^Fcc:' -e 'To:' < OUTPUT > OUTPUT.clean cat <EXPECTED From: Notmuch Test Suite Subject: Re: test encrypted message 002 --text follows this line-- <#secure method=pgpmime mode=signencrypt> Notmuch Test Suite writes: > This is another test encrypted message. EOF test_expect_equal_file EXPECTED OUTPUT.clean test_begin_subtest "signature verification with revoked key" # generate revocation certificate and load it to revoke key echo "y 1 Notmuch Test Suite key revocation (automated) $(date '+%F_%T%z') y " \ | gpg --no-tty --quiet --command-fd 0 --armor --gen-revoke "0x${FINGERPRINT}!" 2>/dev/null \ | gpg --no-tty --quiet --import output=$(notmuch show --format=json --verify subject:"test signed message 001" \ | notmuch_json_show_sanitize \ | sed -e 's|"created": [1234567890]*|"created": 946728000|') expected='[[[{"id": "XXXXX", "match": true, "excluded": false, "filename": ["YYYYY"], "timestamp": 946728000, "date_relative": "2000-01-01", "tags": ["inbox","signed"], "headers": {"Subject": "test signed message 001", "From": "Notmuch Test Suite ", "To": "test_suite@notmuchmail.org", "Date": "Sat, 01 Jan 2000 12:00:00 +0000"}, "body": [{"id": 1, "sigstatus": [{"status": "error", "keyid": "6D92612D94E46381", "errors": {"key-revoked": true}}], "content-type": "multipart/signed", "content": [{"id": 2, "content-type": "text/plain", "content": "This is a test signed message.\n"}, {"id": 3, "content-type": "application/pgp-signature", "content-length": "NONZERO"}]}]}, []]]]' test_expect_equal_json \ "$output" \ "$expected" test_done