ks_p12.c

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    }

    if (flags & HX509_CERTS_CREATE) {
	ret = hx509_certs_init(context, "MEMORY:ks-file-create",
			       0, lock, &p12->certs);
	if (ret == 0)
	    *data = p12;
	goto out;
    }

    ret = _hx509_map_file(residue, &buf, &len, NULL);
    if (ret) {
	hx509_clear_error_string(context);
	goto out;
    }

    ret = decode_PKCS12_PFX(buf, len, &pfx, NULL);
    _hx509_unmap_file(buf, len);
    if (ret) {
	hx509_set_error_string(context, 0, ret,
			       "Failed to decode the PFX in %s", residue);
	goto out;
    }

    if (der_heim_oid_cmp(&pfx.authSafe.contentType, oid_id_pkcs7_data()) != 0) {
	free_PKCS12_PFX(&pfx);
	ret = EINVAL;
	hx509_set_error_string(context, 0, ret,
			       "PKCS PFX isn't a pkcs7-data container");
	goto out;
    }

    if (pfx.authSafe.content == NULL) {
	free_PKCS12_PFX(&pfx);
	ret = EINVAL;
	hx509_set_error_string(context, 0, ret,
			       "PKCS PFX missing data");
	goto out;
    }

    {
	heim_octet_string asdata;

	ret = decode_PKCS12_OctetString(pfx.authSafe.content->data,
					pfx.authSafe.content->length,
					&asdata,
					NULL);
	free_PKCS12_PFX(&pfx);
	if (ret) {
	    hx509_clear_error_string(context);
	    goto out;
	}
	ret = decode_PKCS12_AuthenticatedSafe(asdata.data, 
					      asdata.length,
					      &as,
					      NULL);
	der_free_octet_string(&asdata);
	if (ret) {
	    hx509_clear_error_string(context);
	    goto out;
	}
    }

    for (i = 0; i < as.len; i++)
	parse_pkcs12_type(context,
			  c,
			  &as.val[i].contentType,
			  as.val[i].content->data,
			  as.val[i].content->length,
			  NULL);

    free_PKCS12_AuthenticatedSafe(&as);

    ret = _hx509_collector_collect_certs(context, c, &p12->certs);
    if (ret == 0)
	*data = p12;

out:
    _hx509_collector_free(c);

    if (ret && p12) {
	if (p12->fn)
	    free(p12->fn);
	if (p12->certs)
	    hx509_certs_free(&p12->certs);
	free(p12);
    }

    return ret;
}

static int
addBag(hx509_context context,
       PKCS12_AuthenticatedSafe *as,
       const heim_oid *oid,
       void *data,
       size_t length)
{
    void *ptr;
    int ret;

    ptr = realloc(as->val, sizeof(as->val[0]) * (as->len + 1));
    if (ptr == NULL) {
	hx509_set_error_string(context, 0, ENOMEM, "out of memory");
	return ENOMEM;
    }
    as->val = ptr;

    ret = der_copy_oid(oid, &as->val[as->len].contentType);
    if (ret) {
	hx509_set_error_string(context, 0, ret, "out of memory");
	return ret;
    }
    
    as->val[as->len].content = calloc(1, sizeof(*as->val[0].content));
    if (as->val[as->len].content == NULL) {
	der_free_oid(&as->val[as->len].contentType);
	hx509_set_error_string(context, 0, ENOMEM, "malloc out of memory");
	return ENOMEM;
    }

    as->val[as->len].content->data = data;
    as->val[as->len].content->length = length;

    as->len++;

    return 0;
}

static int
store_func(hx509_context context, void *ctx, hx509_cert c)
{
    PKCS12_AuthenticatedSafe *as = ctx;
    PKCS12_OctetString os;
    PKCS12_CertBag cb;
    size_t size;
    int ret;

    memset(&os, 0, sizeof(os));
    memset(&cb, 0, sizeof(cb));

    os.data = NULL;
    os.length = 0;

    ret = hx509_cert_binary(context, c, &os);
    if (ret)
	return ret;

    ASN1_MALLOC_ENCODE(PKCS12_OctetString,
		       cb.certValue.data,cb.certValue.length,
		       &os, &size, ret);
    free(os.data);
    if (ret)
	goto out;
    ret = der_copy_oid(oid_id_pkcs_9_at_certTypes_x509(), &cb.certType);
    if (ret) {
	free_PKCS12_CertBag(&cb);
	goto out;
    }
    ASN1_MALLOC_ENCODE(PKCS12_CertBag, os.data, os.length,
		       &cb, &size, ret);
    free_PKCS12_CertBag(&cb);
    if (ret)
	goto out;

    ret = addBag(context, as, oid_id_pkcs12_certBag(), os.data, os.length);

    if (_hx509_cert_private_key_exportable(c)) {
	hx509_private_key key = _hx509_cert_private_key(c);
	PKCS8PrivateKeyInfo pki;

	memset(&pki, 0, sizeof(pki));

	ret = der_parse_hex_heim_integer("00", &pki.version);
	if (ret)
	    return ret;
	ret = _hx509_private_key_oid(context, key, 
				     &pki.privateKeyAlgorithm.algorithm);
	if (ret) {
	    free_PKCS8PrivateKeyInfo(&pki);
	    return ret;
	}
	ret = _hx509_private_key_export(context,
					_hx509_cert_private_key(c),
					&pki.privateKey);
	if (ret) {
	    free_PKCS8PrivateKeyInfo(&pki);
	    return ret;
	}
	/* set attribute, oid_id_pkcs_9_at_localKeyId() */

	ASN1_MALLOC_ENCODE(PKCS8PrivateKeyInfo, os.data, os.length,
			   &pki, &size, ret);
	free_PKCS8PrivateKeyInfo(&pki);
	if (ret)
	    return ret;

	ret = addBag(context, as, oid_id_pkcs12_keyBag(), os.data, os.length);
	if (ret)
	    return ret;
    }

out:
    return ret;
}

static int
p12_store(hx509_context context, 
	  hx509_certs certs, void *data, int flags, hx509_lock lock)
{
    struct ks_pkcs12 *p12 = data;
    PKCS12_PFX pfx;
    PKCS12_AuthenticatedSafe as;
    PKCS12_OctetString asdata;
    size_t size;
    int ret;

    memset(&as, 0, sizeof(as));
    memset(&pfx, 0, sizeof(pfx));

    ret = hx509_certs_iter(context, p12->certs, store_func, &as);
    if (ret)
	goto out;

    ASN1_MALLOC_ENCODE(PKCS12_AuthenticatedSafe, asdata.data, asdata.length,
		       &as, &size, ret);
    free_PKCS12_AuthenticatedSafe(&as);
    if (ret)
	return ret;
		       
    ret = der_parse_hex_heim_integer("03", &pfx.version);
    if (ret) {
	free(asdata.data);
	goto out;
    }

    pfx.authSafe.content = calloc(1, sizeof(*pfx.authSafe.content));

    ASN1_MALLOC_ENCODE(PKCS12_OctetString, 
		       pfx.authSafe.content->data,
		       pfx.authSafe.content->length,
		       &asdata, &size, ret);
    free(asdata.data);
    if (ret)
	goto out;

    ret = der_copy_oid(oid_id_pkcs7_data(), &pfx.authSafe.contentType);
    if (ret)
	goto out;

    ASN1_MALLOC_ENCODE(PKCS12_PFX, asdata.data, asdata.length,
		       &pfx, &size, ret);
    if (ret)
	goto out;

#if 0
    const struct _hx509_password *pw;

    pw = _hx509_lock_get_passwords(lock);
    if (pw != NULL) {
	pfx.macData = calloc(1, sizeof(*pfx.macData));
	if (pfx.macData == NULL) {
	    ret = ENOMEM;
	    hx509_set_error_string(context, 0, ret, "malloc out of memory");
	    return ret;
	}
	if (pfx.macData == NULL) {
	    free(asdata.data);
	    goto out;
	}
    }
    ret = calculate_hash(&aspath, pw, pfx.macData);
#endif

    rk_dumpdata(p12->fn, asdata.data, asdata.length);
    free(asdata.data);

out:
    free_PKCS12_AuthenticatedSafe(&as);
    free_PKCS12_PFX(&pfx);

    return ret;
}


static int
p12_free(hx509_certs certs, void *data)
{
    struct ks_pkcs12 *p12 = data;
    hx509_certs_free(&p12->certs);
    free(p12->fn);
    free(p12);
    return 0;
}

static int 
p12_add(hx509_context context, hx509_certs certs, void *data, hx509_cert c)
{
    struct ks_pkcs12 *p12 = data;
    return hx509_certs_add(context, p12->certs, c);
}

static int 
p12_iter_start(hx509_context context,
	       hx509_certs certs,
	       void *data,
	       void **cursor)
{
    struct ks_pkcs12 *p12 = data;
    return hx509_certs_start_seq(context, p12->certs, cursor);
}

static int
p12_iter(hx509_context context,
	 hx509_certs certs,
	 void *data,
	 void *cursor,
	 hx509_cert *cert)
{
    struct ks_pkcs12 *p12 = data;
    return hx509_certs_next_cert(context, p12->certs, cursor, cert);
}

static int
p12_iter_end(hx509_context context,
	     hx509_certs certs,
	     void *data,
	     void *cursor)
{
    struct ks_pkcs12 *p12 = data;
    return hx509_certs_end_seq(context, p12->certs, cursor);
}

static struct hx509_keyset_ops keyset_pkcs12 = {
    "PKCS12",
    0,
    p12_init,
    p12_store,
    p12_free,
    p12_add,
    NULL,
    p12_iter_start,
    p12_iter,
    p12_iter_end
};

void
_hx509_ks_pkcs12_register(hx509_context context)
{
    _hx509_ks_register(context, &keyset_pkcs12);
}