1 files changed, 116 insertions, 0 deletions
diff --git a/trust/extract-cer.c b/trust/extract-cer.c
new file mode 100644
index 0000000..4a0d9c0
--- /dev/null
+++ b/trust/extract-cer.c
@@ -0,0 +1,116 @@
+/*
+ * 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"
+
+#include "compat.h"
+#include "debug.h"
+#include "extract.h"
+#include "message.h"
+#include "save.h"
+
+#include <stdlib.h>
+
+bool
+p11_extract_x509_file (P11KitIter *iter,
+                       p11_extract_info *ex)
+{
+	bool found = false;
+	p11_save_file *file;
+	CK_RV rv;
+
+	while ((rv = p11_kit_iter_next (iter)) == CKR_OK) {
+		if (found) {
+			p11_message ("multiple certificates found but could only write one to file");
+			break;
+		}
+
+		file = p11_save_open_file (ex->destination, ex->flags);
+		if (!p11_save_write_and_finish (file, ex->cert_der, ex->cert_len))
+			return false;
+
+		/* Wrote something */
+		found = true;
+	}
+
+	if (rv != CKR_OK && rv != CKR_CANCEL) {
+		p11_message ("failed to find certificates: %s", p11_kit_strerror (rv));
+		return false;
+
+	/* Remember that an empty DER file is not a valid file, so complain if nothing */
+	} else if (!found) {
+		p11_message ("no certificate found");
+		return false;
+	}
+
+	return true;
+}
+
+bool
+p11_extract_x509_directory (P11KitIter *iter,
+                            p11_extract_info *ex)
+{
+	p11_save_file *file;
+	p11_save_dir *dir;
+	char *filename;
+	CK_RV rv;
+	bool ret;
+
+	dir = p11_save_open_directory (ex->destination, ex->flags);
+	if (dir == NULL)
+		return false;
+
+	while ((rv = p11_kit_iter_next (iter)) == CKR_OK) {
+		filename = p11_extract_info_filename (ex);
+		return_val_if_fail (filename != NULL, -1);
+
+		file = p11_save_open_file_in (dir, filename, ".cer", NULL);
+		free (filename);
+
+		if (!p11_save_write_and_finish (file, ex->cert_der, ex->cert_len)) {
+			p11_save_finish_directory (dir, false);
+			return false;
+		}
+	}
+
+	if (rv != CKR_OK && rv != CKR_CANCEL) {
+		p11_message ("failed to find certificates: %s", p11_kit_strerror (rv));
+		ret = false;
+	} else {
+		ret = true;
+	}
+
+	p11_save_finish_directory (dir, ret);
+	return ret;
+}