1 files changed, 109 insertions, 0 deletions
diff --git a/lib/libsecureboot/veta.c b/lib/libsecureboot/veta.c
new file mode 100644
index 000000000000..c0ddbfb4921f
--- /dev/null
+++ b/lib/libsecureboot/veta.c
@@ -0,0 +1,109 @@
+/*-
+ * Copyright (c) 2018, Juniper Networks, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * 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.
+ */
+#include <sys/cdefs.h>
+/**
+ * @file veta.c - add to trust anchors
+ *
+ */
+
+#define NEED_BRSSL_H
+#include "libsecureboot-priv.h"
+#include <brssl.h>
+#include <sys/stat.h>
+#include <dirent.h>
+
+#ifdef VE_OPENPGP_SUPPORT
+#include "openpgp/packet.h"
+#endif
+
+/**
+ * @brief add trust anchors from a file
+ *
+ * The file might contain X.509 certs
+ * or OpenPGP public key
+ */
+static size_t
+trust_file_add(const char *trust)
+{
+	br_x509_certificate *xcs;
+	size_t num;
+
+	xcs = read_certificates(trust, &num);
+	if (xcs) {
+		num = ve_trust_anchors_add(xcs, num);
+	}
+#ifdef VE_OPENPGP_SUPPORT
+	else if (load_key_file(trust)) {
+		num = 1;
+	}
+#endif
+	return (num);
+}
+
+/**
+ * @brief add trust anchors from a directory
+ *
+ * Pass each file in directory to trust_file_add
+ */
+static size_t
+trust_dir_add(const char *trust)
+{
+	char fbuf[MAXPATHLEN];
+	DIR *dh;
+	struct dirent *de;
+	struct stat st;
+	ssize_t sz;
+	size_t num;
+
+	if (!(dh = opendir(trust)))
+		return (0);
+	for (num = 0, de = readdir(dh); de; de = readdir(dh)) {
+		if (de->d_name[0] == '.')
+			continue;
+		sz = snprintf(fbuf, sizeof(fbuf), "%s/%s", trust, de->d_name);
+		if (sz >= (ssize_t)sizeof(fbuf))
+			continue;
+		if (stat(fbuf, &st) < 0 || S_ISDIR(st.st_mode))
+			continue;
+		num += trust_file_add(fbuf);
+	}
+	closedir(dh);
+	return (num);
+}
+
+/**
+ * @brief add trust anchors
+ */
+int
+ve_trust_add(const char *trust)
+{
+	struct stat st;
+
+	if (stat(trust, &st) < 0)
+		return (-1);
+	if (S_ISDIR(st.st_mode))
+		return (trust_dir_add(trust));
+	return (trust_file_add(trust));
+}