]> git.ozlabs.org Git - petitboot/blobdiff - lib/security/gpg.h
Add support for GPG signature enforcement on booted
[petitboot] / lib / security / gpg.h
diff --git a/lib/security/gpg.h b/lib/security/gpg.h
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+/*
+ *  Copyright (C) 2016 Raptor Engineering, LLC
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; version 2 of the License.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef _PB_GPG_H
+#define _PB_GPG_H
+
+#include <discover/boot.h>
+
+enum {
+       PB_LOCKDOWN_NONE        = 0,
+       PB_LOCKDOWN_SIGN        = 1,
+};
+
+#if defined(HAVE_LIBGPGME)
+#include <gpgme.h>
+#endif /* HAVE_LIBGPGME */
+
+int lockdown_status(void);
+
+struct pb_url * gpg_get_signature_url(void *ctx, struct pb_url *base_file);
+
+int verify_file_signature(const char *plaintext_filename,
+       const char *signature_filename, FILE *authorized_signatures_handle,
+       const char *keyring_path);
+
+int gpg_validate_boot_files(struct boot_task *boot_task);
+
+void gpg_validate_boot_files_cleanup(struct boot_task *boot_task);
+
+#if !defined(HAVE_LIBGPGME)
+
+int lockdown_status(void) { return PB_LOCKDOWN_NONE; }
+
+struct pb_url * gpg_get_signature_url(void *ctx __attribute__((unused)),
+                       struct pb_url *base_file __attribute__((unused)))
+{
+       return NULL;
+}
+
+int verify_file_signature(const char *plaintext_filename __attribute__((unused)),
+       const char *signature_filename __attribute__((unused)),
+       FILE *authorized_signatures_handle __attribute__((unused)),
+       const char *keyring_path __attribute__((unused)))
+{
+       return -1;
+}
+
+int gpg_validate_boot_files(struct boot_task *boot_task __attribute__((unused)))
+{
+       return 0;
+}
+
+void gpg_validate_boot_files_cleanup(struct boot_task *boot_task __attribute__((unused)))
+{}
+
+#endif /* HAVE_LIBGPGME */
+
+#endif /* _PB_GPG_H */
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