trust: Refactor enumeration of certificates to extract

Because we want to use this same logic for listing trust

1 files changed, 103 insertions, 0 deletions

diff --git a/trust/enumerate.h b/trust/enumerate.h
new file mode 100644
index 0000000..8b1e7e4
--- /dev/null
+++ b/trust/enumerate.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2013, Red Hat Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *     * Redistributions of source code must retain the above
+ *       copyright notice, this list of conditions and the
+ *       following disclaimer.
+ *     * Redistributions in binary form must reproduce the
+ *       above copyright notice, this list of conditions and
+ *       the following disclaimer in the documentation and/or
+ *       other materials provided with the distribution.
+ *     * The names of contributors to this software may not be
+ *       used to endorse or promote products derived from this
+ *       software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+ * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * Author: Stef Walter <stefw@redhat.com>
+ */
+
+#include "config.h"
+
+#ifndef P11_ENUMERATE_H_
+#define P11_ENUMERATE_H_
+
+#include "array.h"
+#include "asn1.h"
+#include "dict.h"
+#include "iter.h"
+#include "pkcs11.h"
+
+enum {
+	/* These overlap with the flags in save.h, so start higher */
+	P11_ENUMERATE_ANCHORS = 1 << 21,
+	P11_ENUMERATE_BLACKLIST = 1 << 22,
+	P11_ENUMERATE_COLLAPSE = 1 << 23,
+};
+
+typedef struct {
+	CK_FUNCTION_LIST **modules;
+	p11_kit_iter *iter;
+	p11_kit_uri *uri;
+
+	p11_dict *asn1_defs;
+	p11_dict *limit_to_purposes;
+	p11_dict *already_seen;
+	int num_filters;
+	int flags;
+
+	/*
+	 * Stuff below is parsed info for the current iteration.
+	 * Currently this information is generally all relevant
+	 * just for certificates.
+	 */
+
+	CK_OBJECT_CLASS klass;
+	CK_ATTRIBUTE *attrs;
+
+	/* Pre-parsed data for certificates */
+	node_asn *cert_asn;
+	const unsigned char *cert_der;
+	size_t cert_len;
+
+	/* DER OID -> CK_ATTRIBUTE list */
+	p11_dict *stapled;
+
+	/* Set of OID purposes as strings */
+	p11_array *purposes;
+} p11_enumerate;
+
+char *          p11_enumerate_filename      (p11_enumerate *ex);
+
+char *          p11_enumerate_comment       (p11_enumerate *ex,
+                                             bool first);
+
+void            p11_enumerate_init          (p11_enumerate *ex);
+
+bool            p11_enumerate_opt_filter    (p11_enumerate *ex,
+                                             const char *option);
+
+bool            p11_enumerate_opt_purpose   (p11_enumerate *ex,
+                                             const char *option);
+
+bool            p11_enumerate_ready         (p11_enumerate *ex,
+                                             const char *def_filter);
+
+void            p11_enumerate_cleanup       (p11_enumerate *ex);
+
+#endif /* P11_ENUMERATE_H_ */