+
+ # see https://dev.gnupg.org/T3464
+ # there are problems verifying signatures when decrypting with session keys with GPGME 1.13.0 and 1.13.1
+ printf "Checking signature verification when decrypting using session keys... "
+
+ cat > _verify_sig_with_session_key.c <<EOF
+#include <stdio.h>
+#include <gmime/gmime.h>
+
+int main () {
+ GError *error = NULL;
+ GMimeParser *parser = NULL;
+ GMimeMultipartEncrypted *body = NULL;
+ GMimeDecryptResult *result = NULL;
+ GMimeSignatureList *sig_list = NULL;
+ GMimeSignature *sig = NULL;
+ GMimeObject *output = NULL;
+ GMimeSignatureStatus status;
+ int len;
+
+ g_mime_init ();
+ parser = g_mime_parser_new ();
+ g_mime_parser_init_with_stream (parser, g_mime_stream_file_open("$srcdir/test/corpora/crypto/encrypted-signed.eml", "r", &error));
+ if (error) return !! fprintf (stderr, "failed to instantiate parser with test/corpora/pkcs7/smime-onepart-signed.eml\n");
+
+ body = GMIME_MULTIPART_ENCRYPTED(g_mime_message_get_mime_part (g_mime_parser_construct_message (parser, NULL)));
+ if (body == NULL) return !! fprintf (stderr, "did not find a multipart/encrypted message\n");
+
+ output = g_mime_multipart_encrypted_decrypt (body, GMIME_DECRYPT_NONE, "9:13607E4217515A70EC8DF9DBC16C5327B94577561D98AD1246FA8756659C7899", &result, &error);
+ if (error || output == NULL) return !! fprintf (stderr, "decrypt failed\n");
+
+ sig_list = g_mime_decrypt_result_get_signatures (result);
+ if (sig_list == NULL) return !! fprintf (stderr, "sig_list is NULL\n");
+
+ if (sig_list == NULL) return !! fprintf (stderr, "no GMimeSignatureList found\n");
+ len = g_mime_signature_list_length (sig_list);
+ if (len != 1) return !! fprintf (stderr, "expected 1 signature, got %d\n", len);
+ sig = g_mime_signature_list_get_signature (sig_list, 0);
+ if (sig == NULL) return !! fprintf (stderr, "no GMimeSignature found at position 0\n");
+ status = g_mime_signature_get_status (sig);
+ if (status & GMIME_SIGNATURE_STATUS_KEY_MISSING) return !! fprintf (stderr, "signature status contains KEY_MISSING (see https://dev.gnupg.org/T3464)\n");
+
+ return 0;
+}
+EOF
+ if ! TEMP_GPG=$(mktemp -d "${TMPDIR:-/tmp}/notmuch.XXXXXX"); then
+ printf 'No.\nCould not make tempdir for testing signature verification when decrypting with session keys.\n'
+ errors=$((errors + 1))
+ elif ${CC} ${CFLAGS} ${gmime_cflags} _verify_sig_with_session_key.c ${gmime_ldflags} -o _verify_sig_with_session_key \
+ && GNUPGHOME=${TEMP_GPG} gpg --batch --quiet --import < "$srcdir"/test/gnupg-secret-key.asc \
+ && rm -f ${TEMP_GPG}/private-keys-v1.d/*.key
+ then
+ if GNUPGHOME=${TEMP_GPG} ./_verify_sig_with_session_key; then
+ gmime_verify_with_session_key=1
+ printf "Yes.\n"
+ else
+ gmime_verify_with_session_key=0
+ printf "No.\n"
+ cat <<EOF
+*** Error: GMime fails to verify signatures when decrypting with a session key.
+
+This is most likely due to a buggy version of GPGME, which should be fixed in 1.13.2 or later.
+See https://dev.gnupg.org/T3464 for more details.
+EOF
+ fi
+ else
+ printf 'No.\nFailed to set up gpg for testing signature verification while decrypting with a session key.\n'
+ errors=$((errors + 1))
+ fi
+ if [ -n "$TEMP_GPG" -a -d "$TEMP_GPG" ]; then
+ rm -rf "$TEMP_GPG"
+ fi
projects / notmuch / blobdiff