trust: introduce the "edk2-cacerts" extractor skeleton

Introduce the p11_extract_edk2_cacerts() skeleton. At the moment it always
fails, silently.

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1559580
Signed-off-by: Laszlo Ersek <lersek@redhat.com>

trust/Makefile.am

@@ -105,6 +105,7 @@ trust_trust_SOURCES = \
 	trust/enumerate.c trust/enumerate.h \
 	trust/extract.c trust/extract.h \
 	trust/extract-jks.c \
+	trust/extract-edk2.c \
 	trust/extract-openssl.c \
 	trust/extract-pem.c \
 	trust/extract-cer.c \

trust/extract-edk2.c

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2018, 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: Laszlo Ersek <lersek@redhat.com>
+ */
+
+#include "config.h"
+
+#include "extract.h" /* p11_extract_edk2_cacerts() */
+
+bool
+p11_extract_edk2_cacerts (p11_enumerate *ex,
+                          const char *destination)
+{
+	return false;
+}

trust/extract.c

@@ -81,6 +81,7 @@ format_argument (const char *optarg,
 		{ "pem-directory", p11_extract_pem_directory },
 		{ "pem-directory-hash", p11_extract_pem_directory_hash },
 		{ "java-cacerts", p11_extract_jks_cacerts },
+		{ "edk2-cacerts", p11_extract_edk2_cacerts },
 		{ "openssl-bundle", p11_extract_openssl_bundle },
 		{ "openssl-directory", p11_extract_openssl_directory },
 		{ NULL },
@@ -211,7 +212,8 @@ p11_trust_extract (int argc,
 		  "  pem-directory-hash  directory of PEM files with hash links\n"
 		  "  openssl-bundle      OpenSSL specific PEM bundle\n"
 		  "  openssl-directory   directory of OpenSSL specific files\n"
-		  "  java-cacerts        java keystore cacerts file",
+		  "  java-cacerts        java keystore cacerts file\n"
+		  "  edk2-cacerts        cacerts file for EDK2 HTTPS config",
 		  "type"
 		},
 		{ opt_purpose,

trust/extract.h

@@ -67,6 +67,9 @@ bool            p11_extract_pem_directory_hash (p11_enumerate *ex,
 bool            p11_extract_jks_cacerts        (p11_enumerate *ex,
                                                 const char *destination);
 
+bool            p11_extract_edk2_cacerts       (p11_enumerate *ex,
+                                                const char *destination);
+
 bool            p11_extract_openssl_bundle     (p11_enumerate *ex,
                                                 const char *destination);