Пример #1
0
static void
export_as_attachments (CamelMultipart *mp, EMFormat *format, CamelStream *stream, CamelMimePart *except)
{
	int i, nparts, partidlen;
	CamelMimePart *part;

	if (!mp || !CAMEL_IS_MULTIPART (mp))
		return;

	partidlen = format->part_id->len;

	nparts = camel_multipart_get_number(mp);
	for (i = 0; i < nparts; i++) {
		part = camel_multipart_get_part (mp, i);

		if (part != except) {
			CamelMultipart *multipart = (CamelMultipart *)camel_medium_get_content_object((CamelMedium *)part);

			if (CAMEL_IS_MULTIPART (multipart)) {
				export_as_attachments (multipart, format, stream, except);
			} else {
				g_string_append_printf (format->part_id, ".alternative.%d", i);

				if (camel_content_type_is (camel_mime_part_get_content_type (part), "text", "html")) {
					/* always show HTML as attachments and not inline */
					camel_mime_part_set_disposition (part, "attachment");

					if (!camel_mime_part_get_filename (part)) {
						char *str = g_strdup_printf ("%s.html", _("attachment"));
						camel_mime_part_set_filename (part, str);
						g_free (str);
					}

					em_format_part_as (format, stream, part, "application/octet-stream");
				} else
					em_format_part (format, stream, part);

				g_string_truncate (format->part_id, partidlen);
			}
		}
	}
}
Пример #2
0
CamelMimeMessage *
scalix_appointment_to_mime_message (ScalixObject * object)
{
    CamelMimeMessage *message;
    CamelMultipart *multipart;
    CamelMimePart *part;
    CamelMedium *medium;
    CamelStream *stream;
    CamelDataWrapper *wrapper;
    ECalComponentDateTime dtstart, dtend;
    ECalComponent *comp;
    ECalComponentText text;
    icalcomponent_kind kind;
    icalcomponent *icalcomp, *toplevel_comp;
    icaltimezone *zone = NULL;
    GSList *attachment_list = NULL;
    GSList *attachment_list_new = NULL;
    GSList *siter = NULL;
    GList *part_list = NULL;
    GList *iter = NULL;
    char *msgid;
    char *str, *meeting_status;
    const char *ouid = NULL;
    char *file_contents = NULL;
    char *full_path, *filename, *mime_filename;
    char *cid;
    int size;

    g_object_get (SCALIX_APPOINTMENT (object), "timezone", &zone, NULL);

    comp = E_CAL_COMPONENT (scalix_object_clone (object));
    message = camel_mime_message_new ();
    medium = CAMEL_MEDIUM (message);

    camel_medium_add_header (medium, "X-Scalix-Class", "IPM.Appointment");

    /* Preserve msg id if there is already one */
    if (scalix_appointment_get (SCALIX_APPOINTMENT (comp),
                                X_SCALIX_MSG_ID, &msgid)) {

        scalix_appointment_unset (SCALIX_APPOINTMENT (comp), X_SCALIX_MSG_ID);

    } else {
        msgid = camel_header_msgid_generate ();
    }

    camel_mime_message_set_message_id (message, msgid);

    /* subject */
    e_cal_component_get_summary (comp, &text);

    if (text.value != NULL) {
        camel_mime_message_set_subject (message, text.value);
    }

    /* start day */
    e_cal_component_get_dtstart (comp, &dtstart);

    if (!icaltime_get_timezone (*dtstart.value))
        icaltime_set_timezone (dtstart.value,
                               icaltimezone_get_builtin_timezone_from_tzid
                               (dtstart.tzid));

    /* end day */
    e_cal_component_get_dtend (comp, &dtend);

    if (!icaltime_get_timezone (*dtend.value))
        icaltime_set_timezone (dtend.value,
                               icaltimezone_get_builtin_timezone_from_tzid
                               (dtend.tzid));

    /* set From: and Sender: */
    if (e_cal_component_has_organizer (comp)) {
        ECalComponentOrganizer organizer;

        e_cal_component_get_organizer (comp, &organizer);
        if (!strncasecmp (organizer.value, "MAILTO:", 7)) {
            camel_medium_add_header (medium, "Sender", organizer.value + 7);
            camel_medium_add_header (medium, "From", organizer.value + 7);
        }
    }

    /* set the appropriate recipient headers from the recipient table */
    if (e_cal_component_has_attendees (comp)
        && e_cal_component_has_organizer (comp)) {
        GSList *iter, *attendees = NULL;
        CamelInternetAddress *recipients_to = NULL;
        CamelInternetAddress *recipients_cc = NULL;

        meeting_status = "1";

        e_cal_component_get_attendee_list (comp, &attendees);

        for (iter = attendees; iter; iter = iter->next) {
            ECalComponentAttendee *attendee = iter->data;
            const char *mail = NULL;

            /* attendee entries must start with MAILTO: */
            if (strncasecmp (attendee->value, "MAILTO:", 7)) {
                continue;
            }

            mail = attendee->value + 7;

            if (attendee->role == ICAL_ROLE_REQPARTICIPANT) {
                if (recipients_to == NULL) {
                    recipients_to = camel_internet_address_new ();
                }
                camel_internet_address_add (recipients_to, attendee->cn, mail);
            } else if (attendee->role == ICAL_ROLE_OPTPARTICIPANT) {
                if (recipients_cc == NULL) {
                    recipients_cc = camel_internet_address_new ();
                }
                camel_internet_address_add (recipients_cc, attendee->cn, mail);
            } else {
                continue;
            }
        }

        if (recipients_to != NULL) {
            camel_mime_message_set_recipients (message, "To", recipients_to);
            camel_object_unref (recipients_to);
        }

        if (recipients_cc != NULL) {
            camel_mime_message_set_recipients (message, "Cc", recipients_cc);
            camel_object_unref (recipients_cc);
        }
    } else {
        meeting_status = "0";
    }

    /* Clear properties */
    scalix_appointment_unset (SCALIX_APPOINTMENT (comp), X_SCALIX_IMAP_UID);
    /* Render the text/calendar  */
    e_cal_component_commit_sequence (comp);
    icalcomp = e_cal_component_get_icalcomponent (comp);

    kind = icalcomponent_isa (icalcomp);
    if (kind != ICAL_VCALENDAR_COMPONENT) {
        /* If its not a VCALENDAR, make it one to simplify below */
        toplevel_comp = e_cal_util_new_top_level ();
        icalcomponent_add_component (toplevel_comp, icalcomp);
        icalcomp = toplevel_comp;
    }

    /* set METHOD to PUSBLISH */
    icalcomponent_set_method (icalcomp, ICAL_METHOD_PUBLISH);

    /* Add the VTIMEZONE components for start- and/or end-times */
    if (zone) {
        icalcomponent_add_component (icalcomp,
                                     icaltimezone_get_component (zone));
    } else if (dtstart.tzid) {
        icalcomponent_add_component (icalcomp,
                                     icaltimezone_get_component
                                     (icaltimezone_get_builtin_timezone_from_tzid
                                      (dtstart.tzid)));
    }

    if (dtstart.tzid && dtend.tzid && strcmp (dtstart.tzid, dtend.tzid) != 0) {
        icalcomponent_add_component (icalcomp,
                                     icaltimezone_get_component
                                     (icaltimezone_get_builtin_timezone_from_tzid
                                      (dtend.tzid)));
    }

    /* FIXME: do we leek icalcomponents here? */

    if (e_cal_component_has_attachments (comp)) {

        multipart = camel_multipart_new ();
        camel_multipart_set_boundary (multipart, NULL);

        e_cal_component_get_uid (comp, &ouid);
        e_cal_component_get_attachment_list (comp, &attachment_list);

        for (siter = attachment_list; siter; siter = siter->next) {

            if (siter->data == NULL)
                continue;

            if (strstr (siter->data, "file://") != siter->data)
                continue;

            full_path = ((char *) siter->data) + strlen ("file://");
            filename = g_strrstr (full_path, "/") + 1;
            mime_filename = filename + strlen (ouid) + 1;

            size = 0;
            file_contents = get_file_contents (full_path, &size);

            if (file_contents == NULL)
                continue;

            stream = camel_stream_mem_new_with_buffer (file_contents, size);
            wrapper = camel_data_wrapper_new ();
            camel_data_wrapper_construct_from_stream (wrapper, stream);
            camel_object_unref (stream);

            part = camel_mime_part_new ();
            camel_medium_set_content_object (CAMEL_MEDIUM (part), wrapper);
            camel_mime_part_set_filename (part, mime_filename);
            camel_mime_part_set_encoding (part, CAMEL_TRANSFER_ENCODING_BASE64);

            cid = camel_header_msgid_generate ();
            camel_mime_part_set_content_id (part, cid);
            camel_mime_part_set_description (part, mime_filename);
            camel_mime_part_set_disposition (part, "attachment");
            part_list = g_list_append (part_list, part);

            attachment_list_new = g_slist_append (attachment_list_new,
                                                  g_strdup_printf ("CID:%s",
                                                                   cid));
            g_free (cid);
        }

        e_cal_component_set_attachment_list (comp, attachment_list_new);
        str = icalcomponent_as_ical_string (icalcomp);

        part = camel_mime_part_new ();

        camel_mime_part_set_content (part,
                                     str,
                                     strlen (str),
                                     "text/calendar; method=PUBLISH; charset=UTF-8");

        part_list = g_list_prepend (part_list, part);

        for (iter = part_list; iter; iter = iter->next) {
            part = (CamelMimePart *) iter->data;
            camel_multipart_add_part (multipart, part);
            camel_object_unref (part);
        }

        camel_medium_set_content_object (CAMEL_MEDIUM (message),
                                         CAMEL_DATA_WRAPPER (multipart));
        camel_object_unref (multipart);

        g_slist_free (attachment_list);
        g_slist_free (attachment_list_new);
        g_list_free (part_list);

    } else {
        str = icalcomponent_as_ical_string (icalcomp);

        camel_mime_part_set_content (CAMEL_MIME_PART (message),
                                     str,
                                     strlen (str),
                                     "text/calendar; method=PUBLISH; charset=UTF-8");
    }

    scalix_appointment_set (SCALIX_APPOINTMENT (object),
                            X_SCALIX_MSG_ID, msgid);

    return message;
}
Пример #3
0
static int
sm_encrypt(CamelCipherContext *context, const char *userid, GPtrArray *recipients, CamelMimePart *ipart, CamelMimePart *opart, CamelException *ex)
{
	struct _CamelSMIMEContextPrivate *p = ((CamelSMIMEContext *)context)->priv;
	/*NSSCMSRecipientInfo **recipient_infos;*/
	CERTCertificate **recipient_certs = NULL;
	NSSCMSContentInfo *cinfo;
	PK11SymKey *bulkkey = NULL;
	SECOidTag bulkalgtag;
	int bulkkeysize, i;
	CK_MECHANISM_TYPE type;
	PK11SlotInfo *slot;
	PLArenaPool *poolp;
	NSSCMSMessage *cmsg = NULL;
	NSSCMSEnvelopedData *envd;
 	NSSCMSEncoderContext *enc = NULL;
	CamelStreamMem *mem;
	CamelStream *ostream = NULL;
	CamelDataWrapper *dw;
	CamelContentType *ct;

	poolp = PORT_NewArena(1024);
	if (poolp == NULL) {
		camel_exception_set (ex, CAMEL_EXCEPTION_SYSTEM, g_strerror (ENOMEM));
		return -1;
	}

	/* Lookup all recipients certs, for later working */
	recipient_certs = (CERTCertificate **)PORT_ArenaZAlloc(poolp, sizeof(*recipient_certs[0])*(recipients->len + 1));
	if (recipient_certs == NULL) {
		camel_exception_set (ex, CAMEL_EXCEPTION_SYSTEM, g_strerror (ENOMEM));
		goto fail;
	}

	for (i=0;i<recipients->len;i++) {
		recipient_certs[i] = CERT_FindCertByNicknameOrEmailAddr(p->certdb, recipients->pdata[i]);
		if (recipient_certs[i] == NULL) {
			camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM, _("Cannot find certificate for `%s'"), recipients->pdata[i]);
			goto fail;
		}
	}

	/* Find a common algorithm, probably 3DES anyway ... */
	if (NSS_SMIMEUtil_FindBulkAlgForRecipients(recipient_certs, &bulkalgtag, &bulkkeysize) != SECSuccess) {
		camel_exception_set (ex, CAMEL_EXCEPTION_SYSTEM, _("Cannot find common bulk encryption algorithm"));
		goto fail;
	}

	/* Generate a new bulk key based on the common algorithm - expensive */
	type = PK11_AlgtagToMechanism(bulkalgtag);
	slot = PK11_GetBestSlot(type, context);
	if (slot == NULL) {
		/* PORT_GetError(); ?? */
		camel_exception_set (ex, CAMEL_EXCEPTION_SYSTEM, _("Cannot allocate slot for encryption bulk key"));
		goto fail;
	}

	bulkkey = PK11_KeyGen(slot, type, NULL, bulkkeysize/8, context);
	PK11_FreeSlot(slot);

	/* Now we can start building the message */
	/* msg->envelopedData->data */
	cmsg = NSS_CMSMessage_Create(NULL);
	if (cmsg == NULL) {
		camel_exception_set (ex, CAMEL_EXCEPTION_SYSTEM, _("Cannot create CMS Message"));
		goto fail;
	}

	envd = NSS_CMSEnvelopedData_Create(cmsg, bulkalgtag, bulkkeysize);
	if (envd == NULL) {
		camel_exception_set (ex, CAMEL_EXCEPTION_SYSTEM, _("Cannot create CMS Enveloped data"));
		goto fail;
	}

	cinfo = NSS_CMSMessage_GetContentInfo(cmsg);
	if (NSS_CMSContentInfo_SetContent_EnvelopedData(cmsg, cinfo, envd) != SECSuccess) {
		camel_exception_set (ex, CAMEL_EXCEPTION_SYSTEM, _("Cannot attach CMS Enveloped data"));
		goto fail;
	}

	cinfo = NSS_CMSEnvelopedData_GetContentInfo(envd);
	if (NSS_CMSContentInfo_SetContent_Data(cmsg, cinfo, NULL, PR_FALSE) != SECSuccess) {
		camel_exception_set (ex, CAMEL_EXCEPTION_SYSTEM, _("Cannot attach CMS data object"));
		goto fail;
	}

	/* add recipient certs */
	for (i=0;recipient_certs[i];i++) {
		NSSCMSRecipientInfo *ri = NSS_CMSRecipientInfo_Create(cmsg, recipient_certs[i]);

		if (ri == NULL) {
			camel_exception_set (ex, CAMEL_EXCEPTION_SYSTEM, _("Cannot create CMS Recipient information"));
			goto fail;
		}

		if (NSS_CMSEnvelopedData_AddRecipient(envd, ri) != SECSuccess) {
			camel_exception_set (ex, CAMEL_EXCEPTION_SYSTEM, _("Cannot add CMS Recipient information"));
			goto fail;
		}
	}

	/* dump it out */
	ostream = camel_stream_mem_new();
	enc = NSS_CMSEncoder_Start(cmsg,
				   sm_write_stream, ostream,
				   NULL, NULL,
				   NULL, NULL,
				   sm_decrypt_key, bulkkey,
				   NULL, NULL);
	if (enc == NULL) {
		camel_exception_set (ex, CAMEL_EXCEPTION_SYSTEM, _("Cannot create encoder context"));
		goto fail;
	}

	/* FIXME: Stream the input */
	/* FIXME: Canonicalise the input? */
	mem = (CamelStreamMem *)camel_stream_mem_new();
	camel_data_wrapper_write_to_stream((CamelDataWrapper *)ipart, (CamelStream *)mem);
	if (NSS_CMSEncoder_Update(enc, (char *) mem->buffer->data, mem->buffer->len) != SECSuccess) {
		NSS_CMSEncoder_Cancel(enc);
		camel_object_unref(mem);
		camel_exception_set (ex, CAMEL_EXCEPTION_SYSTEM, _("Failed to add data to encoder"));
		goto fail;
	}
	camel_object_unref(mem);

	if (NSS_CMSEncoder_Finish(enc) != SECSuccess) {
		camel_exception_set (ex, CAMEL_EXCEPTION_SYSTEM, _("Failed to encode data"));
		goto fail;
	}

	PK11_FreeSymKey(bulkkey);
	NSS_CMSMessage_Destroy(cmsg);
	for (i=0;recipient_certs[i];i++)
		CERT_DestroyCertificate(recipient_certs[i]);
	PORT_FreeArena(poolp, PR_FALSE);

	dw = camel_data_wrapper_new();
	camel_data_wrapper_construct_from_stream(dw, ostream);
	camel_object_unref(ostream);
	dw->encoding = CAMEL_TRANSFER_ENCODING_BINARY;

	ct = camel_content_type_new("application", "x-pkcs7-mime");
	camel_content_type_set_param(ct, "name", "smime.p7m");
	camel_content_type_set_param(ct, "smime-type", "enveloped-data");
	camel_data_wrapper_set_mime_type_field(dw, ct);
	camel_content_type_unref(ct);

	camel_medium_set_content_object((CamelMedium *)opart, dw);
	camel_object_unref(dw);

	camel_mime_part_set_disposition(opart, "attachment");
	camel_mime_part_set_filename(opart, "smime.p7m");
	camel_mime_part_set_description(opart, "S/MIME Encrypted Message");
	camel_mime_part_set_encoding(opart, CAMEL_TRANSFER_ENCODING_BASE64);

	return 0;

fail:
	if (ostream)
		camel_object_unref(ostream);
	if (cmsg)
		NSS_CMSMessage_Destroy(cmsg);
	if (bulkkey)
		PK11_FreeSymKey(bulkkey);

	if (recipient_certs) {
		for (i=0;recipient_certs[i];i++)
			CERT_DestroyCertificate(recipient_certs[i]);
	}

	PORT_FreeArena(poolp, PR_FALSE);

	return -1;
}
Пример #4
0
static int
sm_sign(CamelCipherContext *context, const char *userid, CamelCipherHash hash, CamelMimePart *ipart, CamelMimePart *opart, CamelException *ex)
{
	int res = -1;
	NSSCMSMessage *cmsg;
	CamelStream *ostream, *istream;
	SECOidTag sechash;
	NSSCMSEncoderContext *enc;
	CamelDataWrapper *dw;
	CamelContentType *ct;

	switch (hash) {
	case CAMEL_CIPHER_HASH_SHA1:
	case CAMEL_CIPHER_HASH_DEFAULT:
	default:
		sechash = SEC_OID_SHA1;
		break;
	case CAMEL_CIPHER_HASH_MD5:
		sechash = SEC_OID_MD5;
		break;
	}

	cmsg = sm_signing_cmsmessage((CamelSMIMEContext *)context, userid, sechash,
				     ((CamelSMIMEContext *)context)->priv->sign_mode == CAMEL_SMIME_SIGN_CLEARSIGN, ex);
	if (cmsg == NULL)
		return -1;

	ostream = camel_stream_mem_new();

	/* FIXME: stream this, we stream output at least */
	istream = camel_stream_mem_new();
	if (camel_cipher_canonical_to_stream(ipart,
					     CAMEL_MIME_FILTER_CANON_STRIP
					     |CAMEL_MIME_FILTER_CANON_CRLF
					     |CAMEL_MIME_FILTER_CANON_FROM, istream) == -1) {
		camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
				     _("Could not generate signing data: %s"), g_strerror(errno));
		goto fail;
	}

	enc = NSS_CMSEncoder_Start(cmsg,
				   sm_write_stream, ostream, /* DER output callback  */
				   NULL, NULL,     /* destination storage  */
				   NULL, NULL,	   /* password callback    */
				   NULL, NULL,     /* decrypt key callback */
				   NULL, NULL );   /* detached digests    */
	if (!enc) {
		camel_exception_set (ex, CAMEL_EXCEPTION_SYSTEM, _("Cannot create encoder context"));
		goto fail;
	}

	if (NSS_CMSEncoder_Update(enc, (char *) ((CamelStreamMem *)istream)->buffer->data, ((CamelStreamMem *)istream)->buffer->len) != SECSuccess) {
		NSS_CMSEncoder_Cancel(enc);
		camel_exception_set (ex, CAMEL_EXCEPTION_SYSTEM, _("Failed to add data to CMS encoder"));
		goto fail;
	}

	if (NSS_CMSEncoder_Finish(enc) != SECSuccess) {
		camel_exception_set (ex, CAMEL_EXCEPTION_SYSTEM, _("Failed to encode data"));
		goto fail;
	}

	res = 0;

	dw = camel_data_wrapper_new();
	camel_stream_reset(ostream);
	camel_data_wrapper_construct_from_stream(dw, ostream);
	dw->encoding = CAMEL_TRANSFER_ENCODING_BINARY;

	if (((CamelSMIMEContext *)context)->priv->sign_mode == CAMEL_SMIME_SIGN_CLEARSIGN) {
		CamelMultipartSigned *mps;
		CamelMimePart *sigpart;

		sigpart = camel_mime_part_new();
		ct = camel_content_type_new("application", "x-pkcs7-signature");
		camel_content_type_set_param(ct, "name", "smime.p7s");
		camel_data_wrapper_set_mime_type_field(dw, ct);
		camel_content_type_unref(ct);

		camel_medium_set_content_object((CamelMedium *)sigpart, dw);

		camel_mime_part_set_filename(sigpart, "smime.p7s");
		camel_mime_part_set_disposition(sigpart, "attachment");
		camel_mime_part_set_encoding(sigpart, CAMEL_TRANSFER_ENCODING_BASE64);

		mps = camel_multipart_signed_new();
		ct = camel_content_type_new("multipart", "signed");
		camel_content_type_set_param(ct, "micalg", camel_cipher_hash_to_id(context, hash));
		camel_content_type_set_param(ct, "protocol", context->sign_protocol);
		camel_data_wrapper_set_mime_type_field((CamelDataWrapper *)mps, ct);
		camel_content_type_unref(ct);
		camel_multipart_set_boundary((CamelMultipart *)mps, NULL);

		mps->signature = sigpart;
		mps->contentraw = istream;
		camel_stream_reset(istream);
		camel_object_ref(istream);

		camel_medium_set_content_object((CamelMedium *)opart, (CamelDataWrapper *)mps);
	} else {
		ct = camel_content_type_new("application", "x-pkcs7-mime");
		camel_content_type_set_param(ct, "name", "smime.p7m");
		camel_content_type_set_param(ct, "smime-type", "signed-data");
		camel_data_wrapper_set_mime_type_field(dw, ct);
		camel_content_type_unref(ct);

		camel_medium_set_content_object((CamelMedium *)opart, dw);

		camel_mime_part_set_filename(opart, "smime.p7m");
		camel_mime_part_set_description(opart, "S/MIME Signed Message");
		camel_mime_part_set_disposition(opart, "attachment");
		camel_mime_part_set_encoding(opart, CAMEL_TRANSFER_ENCODING_BASE64);
	}

	camel_object_unref(dw);
fail:
	camel_object_unref(ostream);
	camel_object_unref(istream);

	return res;
}
Пример #5
0
void
org_gnome_format_tnef(void *ep, EMFormatHookTarget *t)
{
	char *tmpdir = NULL, *name = NULL;
	CamelStream *out;
	struct dirent *d;
	DIR *dir;
	CamelMultipart *mp;
	CamelMimePart *mainpart;
	CamelDataWrapper *content;
	int len;
	TNEFStruct *tnef;
	tnef = (TNEFStruct *) g_malloc(sizeof(TNEFStruct));

	tmpdir = e_mkdtemp("tnef-attachment-XXXXXX");
	if (tmpdir == NULL)
		return;

	filepath = tmpdir;

	name = g_build_filename(tmpdir, ".evo-attachment.tnef", NULL);

	out = camel_stream_fs_new_with_name(name, O_RDWR|O_CREAT, 0666);
	if (out == NULL)
	    goto fail;
	content = camel_medium_get_content_object((CamelMedium *)t->part);
	if (content == NULL)
		goto fail;
	if (camel_data_wrapper_decode_to_stream(content, out) == -1
	    || camel_stream_close(out) == -1) {
		camel_object_unref(out);
 		goto fail;
	}
	camel_object_unref(out);

	/* Extracting the winmail.dat */
        TNEFInitialize(tnef);
	tnef->Debug = verbose;
        if (TNEFParseFile(name, tnef) == -1) {
            printf("ERROR processing file\n");
        }
	processTnef(tnef);

        TNEFFree(tnef);
	/* Extraction done */

	dir = opendir(tmpdir);
	if (dir == NULL)
	    goto fail;

	mainpart = camel_mime_part_new();

	mp = camel_multipart_new();
	camel_data_wrapper_set_mime_type((CamelDataWrapper *)mp, "multipart/mixed");
	camel_multipart_set_boundary(mp, NULL);

	camel_medium_set_content_object((CamelMedium *)mainpart, (CamelDataWrapper *)mp);

	while ((d = readdir(dir))) {
		CamelMimePart *part;
		CamelDataWrapper *content;
		CamelStream *stream;
		char *path;
		const char *type;

		if (!strcmp(d->d_name, ".")
		    || !strcmp(d->d_name, "..")
		    || !strcmp(d->d_name, ".evo-attachment.tnef"))
		    continue;

		path = g_build_filename(tmpdir, d->d_name, NULL);

		stream = camel_stream_fs_new_with_name(path, O_RDONLY, 0);
		content = camel_data_wrapper_new();
		camel_data_wrapper_construct_from_stream(content, stream);
		camel_object_unref(stream);

		part = camel_mime_part_new();
		camel_mime_part_set_encoding(part, CAMEL_TRANSFER_ENCODING_BINARY);

		camel_medium_set_content_object((CamelMedium *)part, content);
		camel_object_unref(content);

		type = em_utils_snoop_type(part);
		if (type)
		    camel_data_wrapper_set_mime_type((CamelDataWrapper *)part, type);

		camel_mime_part_set_filename(part, d->d_name);

		g_free(path);

		camel_multipart_add_part(mp, part);
	}

	closedir(dir);

	len = t->format->part_id->len;
	g_string_append_printf(t->format->part_id, ".tnef");

	if (camel_multipart_get_number(mp) > 0)
		em_format_part_as(t->format, t->stream, mainpart, "multipart/mixed");
	else if (t->item->handler.old)
	    t->item->handler.old->handler(t->format, t->stream, t->part, t->item->handler.old);

	g_string_truncate(t->format->part_id, len);

	camel_object_unref(mainpart);

	goto ok;
 fail:
	if (t->item->handler.old)
	    t->item->handler.old->handler(t->format, t->stream, t->part, t->item->handler.old);
 ok:
	g_free(name);
	g_free(tmpdir);
}