static gconstpointer
_gcr_certificate_get_subject_const (GcrCertificate *self, gsize *n_data)
{
GcrCertificateInfo *info;
info = certificate_info_load (self);
g_return_val_if_fail (info, NULL);
return egg_asn1x_get_raw_element (egg_asn1x_node (info->asn1, "tbsCertificate", "subject", NULL), n_data);
}
GkmDataResult
gkm_data_der_read_public_key_info (const guchar* data, gsize n_data, gcry_sexp_t* s_key)
{
GkmDataResult ret = GKM_DATA_UNRECOGNIZED;
GQuark oid;
GNode *asn = NULL;
gsize n_params;
guint n_bits;
const guchar *params;
guchar *key = NULL;
init_quarks ();
asn = egg_asn1x_create_and_decode (pkix_asn1_tab, "SubjectPublicKeyInfo", data, n_data);
if (!asn)
goto done;
ret = GKM_DATA_FAILURE;
/* Figure out the algorithm */
oid = egg_asn1x_get_oid_as_quark (egg_asn1x_node (asn, "algorithm", "algorithm", NULL));
if (!oid)
goto done;
/* A bit string so we cannot process in place */
key = egg_asn1x_get_bits_as_raw (egg_asn1x_node (asn, "subjectPublicKey", NULL), NULL, &n_bits);
if (!key)
goto done;
/* An RSA key is simple */
if (oid == OID_PKIX1_RSA) {
ret = gkm_data_der_read_public_key_rsa (key, n_bits / 8, s_key);
/* A DSA key paramaters are stored separately */
} else if (oid == OID_PKIX1_DSA) {
params = egg_asn1x_get_raw_element (egg_asn1x_node (asn, "algorithm", "parameters", NULL), &n_params);
if (!params)
goto done;
ret = gkm_data_der_read_public_key_dsa_parts (key, n_bits / 8, params, n_params, s_key);
} else {
g_message ("unsupported key algorithm in certificate: %s", g_quark_to_string (oid));
ret = GKM_DATA_UNRECOGNIZED;
goto done;
}
done:
egg_asn1x_destroy (asn);
g_free (key);
if (ret == GKM_DATA_FAILURE)
g_message ("invalid subject public-key info");
return ret;
}
static guint
calculate_key_size (GcrCertificateInfo *info)
{
GNode *asn;
gconstpointer data, params;
gsize n_data, n_params;
guint key_size = 0, n_bits;
guchar *key = NULL;
GQuark oid;
data = egg_asn1x_get_raw_element (egg_asn1x_node (info->asn1, "tbsCertificate", "subjectPublicKeyInfo", NULL), &n_data);
g_return_val_if_fail (data != NULL, 0);
asn = egg_asn1x_create_and_decode (pkix_asn1_tab, "SubjectPublicKeyInfo", data, n_data);
g_return_val_if_fail (asn, 0);
/* Figure out the algorithm */
oid = egg_asn1x_get_oid_as_quark (egg_asn1x_node (asn, "algorithm", "algorithm", NULL));
g_return_val_if_fail (oid, 0);
/* RSA keys are stored in the main subjectPublicKey field */
if (oid == OID_RSA_KEY) {
/* A bit string so we cannot process in place */
key = egg_asn1x_get_bits_as_raw (egg_asn1x_node (asn, "subjectPublicKey", NULL), NULL, &n_bits);
g_return_val_if_fail (key, 0);
key_size = calculate_rsa_key_size (key, n_bits / 8);
g_free (key);
/* The DSA key size is discovered by the prime in params */
} else if (oid == OID_DSA_KEY) {
params = egg_asn1x_get_raw_element (egg_asn1x_node (asn, "algorithm", "parameters", NULL), &n_params);
key_size = calculate_dsa_params_size (params, n_params);
} else {
g_message ("unsupported key algorithm in certificate: %s", g_quark_to_string (oid));
}
egg_asn1x_destroy (asn);
return key_size;
}
static gboolean
load_assertions (GkmXdgTrust *self, GNode *asn)
{
gconstpointer element;
GHashTable *assertions;
GkmAssertion *assertion;
gsize n_element;
GByteArray *key;
GNode *node;
guint count, i;
g_assert (self);
g_assert (asn);
assertions = self->pv->assertions;
self->pv->assertions = create_assertions ();
count = egg_asn1x_count (egg_asn1x_node (asn, "assertions", NULL));
for (i = 0; i < count; ++i) {
node = egg_asn1x_node (asn, "assertions", i + 1, NULL);
g_return_val_if_fail (node, FALSE);
/* We use the raw DER encoding as an assertion */
element = egg_asn1x_get_raw_element (node, &n_element);
g_return_val_if_fail (node, FALSE);
/* Double check that this is valid, because it's how we hash */
key = g_byte_array_new ();
g_byte_array_append (key, element, n_element);
/* Already have this assertion? */
assertion = g_hash_table_lookup (assertions, key);
if (assertion) {
if (!g_hash_table_steal (assertions, key))
g_assert_not_reached ();
/* Create a new assertion */
} else {
assertion = create_assertion (self, node);
}
add_assertion_to_trust (self, assertion, NULL);
g_byte_array_unref (key);
g_object_unref (assertion);
}
/* Override the stored assertions and netscape trust */
g_hash_table_remove_all (assertions);
g_hash_table_unref (assertions);
return TRUE;
}
static CK_RV
trust_get_complete (GkmXdgTrust *self, CK_ATTRIBUTE_PTR attr)
{
GNode *cert;
gconstpointer element;
gsize n_element;
cert = egg_asn1x_node (self->pv->asn, "reference", "certComplete", NULL);
g_return_val_if_fail (cert, CKR_GENERAL_ERROR);
/* If it's not stored, then this attribute is not present */
if (!egg_asn1x_have (cert))
return CKR_ATTRIBUTE_TYPE_INVALID;
element = egg_asn1x_get_raw_element (cert, &n_element);
g_return_val_if_fail (element, CKR_GENERAL_ERROR);
return gkm_attribute_set_data (attr, element, n_element);
}
static CK_RV
trust_get_der (GkmXdgTrust *self, const gchar *part, CK_ATTRIBUTE_PTR attr)
{
GNode *node;
gconstpointer element;
gsize n_element;
g_assert (GKM_XDG_IS_TRUST (self));
node = egg_asn1x_node (self->pv->asn, "reference", "certReference", part, NULL);
g_return_val_if_fail (node, CKR_GENERAL_ERROR);
/* If the assertion doesn't contain this info ... */
if (!egg_asn1x_have (node))
return CKR_ATTRIBUTE_TYPE_INVALID;
element = egg_asn1x_get_raw_element (node, &n_element);
return gkm_attribute_set_data (attr, element, n_element);
}
static void
dump_certificate_complete (GNode *asn)
{
GNode *cert;
gchar *issuer, *serial, *subject;
gconstpointer element;
gpointer data;
gsize n_data, n_element;
/* Parse the certificate out */
cert = egg_asn1x_create (pkix_asn1_tab, "Certificate");
g_return_if_fail (cert);
element = egg_asn1x_get_raw_element (asn, &n_element);
g_return_if_fail (element);
if (!egg_asn1x_decode (cert, element, n_element))
barf_and_die ("couldn't parse certificate", egg_asn1x_message (cert));
issuer = egg_dn_read (egg_asn1x_node (asn, "issuer", NULL));
g_return_if_fail (issuer);
subject = egg_dn_read (egg_asn1x_node (asn, "subject", NULL));
g_return_if_fail (subject);
data = egg_asn1x_get_integer_as_raw (egg_asn1x_node (asn, "serial", NULL), NULL, &n_data);
g_return_if_fail (data && n_data);
serial = egg_hex_encode (data, n_data);
g_free (data);
g_print ("Complete\n");
g_print (" issuer: %s\n", issuer);
g_print (" subject: %s\n", subject);
g_print (" serial: 0x%s\n", serial);
egg_asn1x_destroy (cert);
g_free (data);
g_free (serial);
g_free (issuer);
g_free (subject);
}
static void
dump_certificate_reference (GNode *asn)
{
gchar *issuer, *serial;
gpointer data;
gsize n_data;
GNode *name;
gconstpointer element;
gsize n_element;
/* Parse the name out */
name = egg_asn1x_create (pkix_asn1_tab, "Name");
g_return_if_fail (name);
element = egg_asn1x_get_raw_element (egg_asn1x_node (asn, "issuer", NULL), &n_element);
g_return_if_fail (element);
if (!egg_asn1x_decode (name, element, n_element))
barf_and_die ("couldn't parse certificate", egg_asn1x_message (name));
issuer = egg_dn_read (name);
g_return_if_fail (issuer);
data = egg_asn1x_get_integer_as_raw (egg_asn1x_node (asn, "serial", NULL), NULL, &n_data);
g_return_if_fail (data && n_data);
serial = egg_hex_encode (data, n_data);
g_free (data);
g_print ("Reference\n");
g_print (" issuer: %s\n", issuer);
g_print (" serial: 0x%s\n", serial);
egg_asn1x_destroy (name);
g_free (data);
g_free (serial);
g_free (issuer);
}
static CK_RV
gkm_certificate_real_get_attribute (GkmObject *base, GkmSession *session, CK_ATTRIBUTE* attr)
{
GkmCertificate *self = GKM_CERTIFICATE (base);
CK_ULONG category;
const guchar *cdata;
guchar *data;
gsize n_data;
time_t when;
CK_RV rv;
switch (attr->type) {
case CKA_CLASS:
return gkm_attribute_set_ulong (attr, CKO_CERTIFICATE);
case CKA_PRIVATE:
return gkm_attribute_set_bool (attr, FALSE);
case CKA_LABEL:
return gkm_attribute_set_string (attr, gkm_certificate_get_label (self));
case CKA_CERTIFICATE_TYPE:
return gkm_attribute_set_ulong (attr, CKC_X_509);
case CKA_TRUSTED:
return gkm_attribute_set_bool (attr, FALSE);
case CKA_CERTIFICATE_CATEGORY:
if (!gkm_certificate_calc_category (self, session, &category))
return CKR_FUNCTION_FAILED;
return gkm_attribute_set_ulong (attr, category);
case CKA_CHECK_VALUE:
g_return_val_if_fail (self->pv->data, CKR_GENERAL_ERROR);
n_data = gcry_md_get_algo_dlen (GCRY_MD_SHA1);
g_return_val_if_fail (n_data && n_data > 3, CKR_GENERAL_ERROR);
data = g_new0 (guchar, n_data);
gcry_md_hash_buffer (GCRY_MD_SHA1, data, self->pv->data, self->pv->n_data);
rv = gkm_attribute_set_data (attr, data, 3);
g_free (data);
return rv;
case CKA_START_DATE:
case CKA_END_DATE:
g_return_val_if_fail (self->pv->asn1, CKR_GENERAL_ERROR);
when = egg_asn1x_get_time_as_long (egg_asn1x_node (self->pv->asn1,
"tbsCertificate", "validity",
attr->type == CKA_START_DATE ? "notBefore" : "notAfter",
NULL));
if (when < 0)
return CKR_FUNCTION_FAILED;
return gkm_attribute_set_date (attr, when);
case CKA_SUBJECT:
g_return_val_if_fail (self->pv->asn1, CKR_GENERAL_ERROR);
cdata = egg_asn1x_get_raw_element (egg_asn1x_node (self->pv->asn1, "tbsCertificate", "subject", NULL), &n_data);
g_return_val_if_fail (cdata, CKR_GENERAL_ERROR);
return gkm_attribute_set_data (attr, cdata, n_data);
case CKA_ID:
if (!self->pv->key)
return gkm_attribute_set_data (attr, NULL, 0);
return gkm_object_get_attribute (GKM_OBJECT (self->pv->key), session, attr);
case CKA_ISSUER:
g_return_val_if_fail (self->pv->asn1, CKR_GENERAL_ERROR);
cdata = egg_asn1x_get_raw_element (egg_asn1x_node (self->pv->asn1, "tbsCertificate", "issuer", NULL), &n_data);
g_return_val_if_fail (cdata, CKR_GENERAL_ERROR);
return gkm_attribute_set_data (attr, cdata, n_data);
case CKA_SERIAL_NUMBER:
g_return_val_if_fail (self->pv->asn1, CKR_GENERAL_ERROR);
cdata = egg_asn1x_get_raw_element (egg_asn1x_node (self->pv->asn1, "tbsCertificate", "serialNumber", NULL), &n_data);
g_return_val_if_fail (cdata, CKR_GENERAL_ERROR);
return gkm_attribute_set_data (attr, cdata, n_data);
case CKA_VALUE:
g_return_val_if_fail (self->pv->data, CKR_GENERAL_ERROR);
return gkm_attribute_set_data (attr, self->pv->data, self->pv->n_data);
/* These are only used for strange online certificates which we don't support */
case CKA_URL:
case CKA_HASH_OF_SUBJECT_PUBLIC_KEY:
case CKA_HASH_OF_ISSUER_PUBLIC_KEY:
return gkm_attribute_set_data (attr, "", 0);
/* What in the world is this doing in the spec? */
case CKA_JAVA_MIDP_SECURITY_DOMAIN:
return gkm_attribute_set_ulong (attr, 0); /* 0 = unspecified */
};
return GKM_OBJECT_CLASS (gkm_certificate_parent_class)->get_attribute (base, session, attr);
}
GkmDataResult
gkm_data_der_read_private_pkcs8_crypted (const guchar *data, gsize n_data, const gchar *password,
gsize n_password, gcry_sexp_t *s_key)
{
GNode *asn = NULL;
gcry_cipher_hd_t cih = NULL;
gcry_error_t gcry;
GkmDataResult ret, r;
GQuark scheme;
guchar *crypted = NULL;
const guchar *params;
gsize n_crypted, n_params;
gint l;
init_quarks ();
ret = GKM_DATA_UNRECOGNIZED;
asn = egg_asn1x_create_and_decode (pkix_asn1_tab, "pkcs-8-EncryptedPrivateKeyInfo", data, n_data);
if (!asn)
goto done;
ret = GKM_DATA_FAILURE;
/* Figure out the type of encryption */
scheme = egg_asn1x_get_oid_as_quark (egg_asn1x_node (asn, "encryptionAlgorithm", "algorithm", NULL));
if (!scheme)
goto done;
params = egg_asn1x_get_raw_element (egg_asn1x_node (asn, "encryptionAlgorithm", "parameters", NULL), &n_params);
if (!params)
goto done;
/*
* Parse the encryption stuff into a cipher.
*/
r = egg_symkey_read_cipher (scheme, password, n_password, params, n_params, &cih);
if (r == GKM_DATA_UNRECOGNIZED) {
ret = GKM_DATA_FAILURE;
goto done;
} else if (r != GKM_DATA_SUCCESS) {
ret = r;
goto done;
}
crypted = egg_asn1x_get_string_as_raw (egg_asn1x_node (asn, "encryptedData", NULL),
egg_secure_realloc, &n_crypted);
if (!crypted)
goto done;
gcry = gcry_cipher_decrypt (cih, crypted, n_crypted, NULL, 0);
gcry_cipher_close (cih);
cih = NULL;
if (gcry != 0) {
g_warning ("couldn't decrypt pkcs8 data: %s", gcry_strerror (gcry));
goto done;
}
/* Unpad the DER data */
l = egg_asn1x_element_length (crypted, n_crypted);
if (l <= 0 || l > n_crypted) {
ret = GKM_DATA_LOCKED;
goto done;
}
n_crypted = l;
/* Try to parse the resulting key */
ret = gkm_data_der_read_private_pkcs8_plain (crypted, n_crypted, s_key);
egg_secure_free (crypted);
crypted = NULL;
/* If unrecognized we assume bad password */
if (ret == GKM_DATA_UNRECOGNIZED)
ret = GKM_DATA_LOCKED;
done:
if (cih)
gcry_cipher_close (cih);
egg_asn1x_destroy (asn);
egg_secure_free (crypted);
return ret;
}
GkmDataResult
gkm_data_der_read_private_pkcs8_plain (const guchar *data, gsize n_data, gcry_sexp_t *s_key)
{
GNode *asn = NULL;
GkmDataResult ret;
int algorithm;
GQuark key_algo;
const guchar *keydata;
gsize n_keydata;
const guchar *params;
gsize n_params;
ret = GKM_DATA_UNRECOGNIZED;
init_quarks ();
asn = egg_asn1x_create_and_decode (pkix_asn1_tab, "pkcs-8-PrivateKeyInfo", data, n_data);
if (!asn)
goto done;
ret = GKM_DATA_FAILURE;
algorithm = 0;
key_algo = egg_asn1x_get_oid_as_quark (egg_asn1x_node (asn, "privateKeyAlgorithm", "algorithm", NULL));
if (!key_algo)
goto done;
else if (key_algo == OID_PKIX1_RSA)
algorithm = GCRY_PK_RSA;
else if (key_algo == OID_PKIX1_DSA)
algorithm = GCRY_PK_DSA;
if (!algorithm) {
ret = GKM_DATA_UNRECOGNIZED;
goto done;
}
keydata = egg_asn1x_get_raw_value (egg_asn1x_node (asn, "privateKey", NULL), &n_keydata);
if (!keydata)
goto done;
params = egg_asn1x_get_raw_element (egg_asn1x_node (asn, "privateKeyAlgorithm", "parameters", NULL),
&n_params);
ret = GKM_DATA_SUCCESS;
done:
if (ret == GKM_DATA_SUCCESS) {
switch (algorithm) {
case GCRY_PK_RSA:
ret = gkm_data_der_read_private_key_rsa (keydata, n_keydata, s_key);
break;
case GCRY_PK_DSA:
/* Try the normal one block format */
ret = gkm_data_der_read_private_key_dsa (keydata, n_keydata, s_key);
/* Otherwise try the two part format that everyone seems to like */
if (ret == GKM_DATA_UNRECOGNIZED && params && n_params)
ret = gkm_data_der_read_private_key_dsa_parts (keydata, n_keydata,
params, n_params, s_key);
break;
default:
g_message ("invalid or unsupported key type in PKCS#8 key");
ret = GKM_DATA_UNRECOGNIZED;
break;
};
} else if (ret == GKM_DATA_FAILURE) {
g_message ("invalid PKCS#8 key");
}
egg_asn1x_destroy (asn);
return ret;
}
