C++ (Cpp) p11_attrs_find_valid Examples

Example #1

File: extract-openssl.c Project: Distrotech/p11-kit

static char *
symlink_for_subject_hash (p11_enumerate *ex)
{
	unsigned char md[P11_DIGEST_SHA1_LEN];
	p11_buffer der;
	CK_ATTRIBUTE *subject;
	unsigned long hash;
	char *linkname = NULL;

	subject = p11_attrs_find_valid (ex->attrs, CKA_SUBJECT);
	if (!subject || !subject->pValue || !subject->ulValueLen)
		return NULL;

	p11_buffer_init_full (&der, memdup (subject->pValue, subject->ulValueLen),
	                      subject->ulValueLen, 0, realloc, free);
	return_val_if_fail (der.data != NULL, NULL);

	if (p11_openssl_canon_name_der (ex->asn1_defs, &der)) {
		p11_digest_sha1 (md, der.data, der.len, NULL);

		hash = (
		        ((unsigned long)md[0]       ) | ((unsigned long)md[1] << 8L) |
		        ((unsigned long)md[2] << 16L) | ((unsigned long)md[3] << 24L)
		) & 0xffffffffL;

		if (asprintf (&linkname, "%08lx", hash) < 0)
			return_val_if_reached (NULL);
	}

	p11_buffer_uninit (&der);
	return linkname;
}

Example #2

File: frob-nss-trust.c Project: Distrotech/p11-kit

static void
dump_object (P11KitIter *iter,
             CK_ATTRIBUTE *attrs)
{
	CK_ATTRIBUTE label = { CKA_LABEL, };
	CK_ATTRIBUTE *attr;
	char *string;
	char *name;
	CK_RV rv;

	attr = p11_attrs_find_valid (attrs, CKA_LABEL);
	if (!attr) {
		rv = p11_kit_iter_load_attributes (iter, &label, 1);
		if (rv == CKR_OK)
			attr = &label;
	}

	if (attr)
		name = strndup (attr->pValue, attr->ulValueLen);
	else
		name = strdup ("unknown");

	string = p11_attrs_to_string (attrs, -1);
	printf ("\"%s\" = %s\n", name, string);
	free (string);

	free (label.pValue);
	free (name);
}

Example #3

File: anchor.c Project: p11-glue/p11-kit

static CK_OBJECT_HANDLE
find_anchor (CK_FUNCTION_LIST *module,
             CK_SESSION_HANDLE session,
             CK_ATTRIBUTE *attrs)
{
	CK_OBJECT_HANDLE object = 0UL;
	CK_ATTRIBUTE *attr;
	p11_kit_iter *iter;

	attr = p11_attrs_find_valid (attrs, CKA_CLASS);
	return_val_if_fail (attr != NULL, 0);

	iter = p11_kit_iter_new (NULL, 0);
	return_val_if_fail (iter != NULL, 0);

	if (iter_match_anchor (iter, attrs)) {
		p11_kit_iter_begin_with (iter, module, 0, session);
		if (p11_kit_iter_next (iter) == CKR_OK)
			object = p11_kit_iter_get_object (iter);
	}

	p11_kit_iter_free (iter);

	return object;
}

Example #4

File: anchor.c Project: p11-glue/p11-kit

static bool
iter_match_anchor (p11_kit_iter *iter,
                   CK_ATTRIBUTE *attrs)
{
	CK_ATTRIBUTE *attr;

	attr = p11_attrs_find_valid (attrs, CKA_CLASS);
	if (attr == NULL)
		return false;

	p11_kit_iter_add_filter (iter, attr, 1);

	attr = p11_attrs_find_valid (attrs, CKA_VALUE);
	if (attr == NULL)
		return false;

	p11_kit_iter_add_filter (iter, attr, 1);
	return true;
}

Example #5

File: anchor.c Project: p11-glue/p11-kit

static bool
modify_anchor (CK_FUNCTION_LIST *module,
               CK_SESSION_HANDLE session,
               CK_OBJECT_HANDLE object,
               CK_ATTRIBUTE *attrs)
{
	CK_BBOOL truev = CK_TRUE;
	CK_ATTRIBUTE *changes;
	CK_ATTRIBUTE *label;
	CK_ULONG klass;
	char *string;
	CK_RV rv;

	CK_ATTRIBUTE trusted = { CKA_TRUSTED, &truev, sizeof (truev) };

	label = p11_attrs_find_valid (attrs, CKA_LABEL);

	if (p11_attrs_find_ulong (attrs, CKA_CLASS, &klass) &&
	    klass == CKO_CERTIFICATE)
		changes = p11_attrs_build (NULL, &trusted, label, NULL);
	else
		changes = p11_attrs_build (NULL, label, NULL);

	return_val_if_fail (attrs != NULL, FALSE);

	/* Don't need the attributes anymore */
	p11_attrs_free (attrs);

	if (p11_debugging) {
		string = p11_attrs_to_string (changes, -1);
		p11_debug ("setting: %s", string);
		free (string);
	}

	rv = (module->C_SetAttributeValue) (session, object, changes,
	                                    p11_attrs_count (changes));

	p11_attrs_free (changes);

	if (rv != CKR_OK) {
		p11_message ("couldn't create object: %s", p11_kit_strerror (rv));
		return false;
	}

	return true;
}

Example #6

File: extract-openssl.c Project: Distrotech/p11-kit

static bool
write_alias (p11_enumerate *ex,
             node_asn *asn)
{
	CK_ATTRIBUTE *label;
	int ret;

	label = p11_attrs_find_valid (ex->attrs, CKA_LABEL);
	if (label == NULL) {
		ret = asn1_write_value (asn, "alias", NULL, 0);
		return_val_if_fail (ret == ASN1_SUCCESS, false);
	} else {
		ret = asn1_write_value (asn, "alias", label->pValue, label->ulValueLen);
		return_val_if_fail (ret == ASN1_SUCCESS, false);
	}

	return true;
}

Example #7

File: extract-openssl.c Project: Distrotech/p11-kit

static char *
symlink_for_subject_old_hash (p11_enumerate *ex)
{
	unsigned char md[P11_DIGEST_MD5_LEN];
	CK_ATTRIBUTE *subject;
	unsigned long hash;
	char *linkname;

	subject = p11_attrs_find_valid (ex->attrs, CKA_SUBJECT);
	if (!subject)
		return NULL;

	p11_digest_md5 (md, subject->pValue, (size_t)subject->ulValueLen, NULL);

	hash = (
	         ((unsigned long)md[0]       ) | ((unsigned long)md[1] << 8L) |
	         ((unsigned long)md[2] << 16L) | ((unsigned long)md[3] << 24L)
	       ) & 0xffffffffL;

	if (asprintf (&linkname, "%08lx", hash) < 0)
		return_val_if_reached (NULL);

	return linkname;
}