[PATCH 15/24] boards: qemu-virt: add security policies

[Sascha Hauer]

From: Ahmad Fatoum <a.fatoum at barebox.org>

To make it easier to experiment with security policies, add four example
configurations, two via the build system and two "externally".

Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
---
 arch/arm/configs/virt32_secure_defconfig           |  1 +
 common/boards/qemu-virt/Makefile                   |  3 +++
 common/boards/qemu-virt/board.c                    |  8 ++++++++
 common/boards/qemu-virt/qemu-virt-factory.sconfig  | 24 ++++++++++++++++++++++
 common/boards/qemu-virt/qemu-virt-lockdown.sconfig | 24 ++++++++++++++++++++++
 security/qemu-virt-devel.sconfig                   | 24 ++++++++++++++++++++++
 security/qemu-virt-tamper.sconfig                  | 24 ++++++++++++++++++++++
 7 files changed, 108 insertions(+)

diff --git a/arch/arm/configs/virt32_secure_defconfig b/arch/arm/configs/virt32_secure_defconfig
index 34cc49405495b33b4f78e078dfbcd951c433fcd8..09c98e5e4dc88aa22b3aa10db38efd7b7cac2310 100644
--- a/arch/arm/configs/virt32_secure_defconfig
+++ b/arch/arm/configs/virt32_secure_defconfig
@@ -292,6 +292,7 @@ CONFIG_FS_UBOOTVARFS=y
 CONFIG_SECURITY_POLICY=y
 CONFIG_SECURITY_POLICY_INIT="lockdown"
 CONFIG_SECURITY_POLICY_DEFAULT_PANIC=y
+CONFIG_SECURITY_POLICY_PATH="security/qemu-virt-devel.sconfig security/qemu-virt-tamper.sconfig"
 CONFIG_BUG_ON_DATA_CORRUPTION=y
 CONFIG_DIGEST_SHA1_ARM=y
 CONFIG_DIGEST_SHA256_ARM=y
diff --git a/common/boards/qemu-virt/Makefile b/common/boards/qemu-virt/Makefile
index 30bf4f1955ee9d306b46523863e247e4cf94ab75..2caa6a20c522ac68fd629f38e51fdf1423db4b09 100644
--- a/common/boards/qemu-virt/Makefile
+++ b/common/boards/qemu-virt/Makefile
@@ -9,5 +9,8 @@ ifeq ($(CONFIG_ARM),y)
 DTC_CPP_FLAGS_qemu-virt-flash.dtbo := -DCONFIG_ARM
 endif
 
+policy-y += qemu-virt-factory.sconfig
+policy-y += qemu-virt-lockdown.sconfig
+
 clean-files := *.dtb *.dtb.S .*.dtc .*.pre .*.dts *.dtb.z
 clean-files += *.dtbo *.dtbo.S .*.dtso
diff --git a/common/boards/qemu-virt/board.c b/common/boards/qemu-virt/board.c
index 9882b0c31a3cf9a97ef0e963653c85a3ead961bb..6f88f24b0690c2562b3b3718a56c9f5c46a4455a 100644
--- a/common/boards/qemu-virt/board.c
+++ b/common/boards/qemu-virt/board.c
@@ -7,6 +7,7 @@
 #include <init.h>
 #include <of.h>
 #include <deep-probe.h>
+#include <security/policy.h>
 #include "qemu-virt-flash.h"
 
 #ifdef CONFIG_64BIT
@@ -83,6 +84,13 @@ static int virt_board_driver_init(void)
 
 	/* of_probe() will happen later at of_populate_initcall */
 
+	security_policy_add(qemu_virt_factory);
+	security_policy_add(qemu_virt_lockdown);
+	/*
+	 * qemu_virt_devel & qemu_virt_tamper intentionally not added here,
+	 * so the test suite can exercise CONFIG_SECURITY_POLICY_PATH.
+	 */
+
 	return 0;
 }
 postcore_initcall(virt_board_driver_init);
diff --git a/common/boards/qemu-virt/qemu-virt-factory.sconfig b/common/boards/qemu-virt/qemu-virt-factory.sconfig
new file mode 100644
index 0000000000000000000000000000000000000000..b19d02b37f7c308e8e93da17349981301902d851
--- /dev/null
+++ b/common/boards/qemu-virt/qemu-virt-factory.sconfig
@@ -0,0 +1,24 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# Barebox/arm Security Configuration
+#
+SCONFIG_POLICY_NAME="factory"
+SCONFIG_SECURITY_POLICY_SELECT=y
+
+#
+# General Settings
+#
+SCONFIG_RATP=y
+# end of General Settings
+
+#
+# Boot Policy
+#
+# SCONFIG_BOOT_UNSIGNED_IMAGES is not set
+# end of Boot Policy
+
+#
+# Command Policy
+#
+# SCONFIG_CMD_GO is not set
+# end of Command Policy
diff --git a/common/boards/qemu-virt/qemu-virt-lockdown.sconfig b/common/boards/qemu-virt/qemu-virt-lockdown.sconfig
new file mode 100644
index 0000000000000000000000000000000000000000..e11e5e069c61f6b968716b75a836bfda2676057e
--- /dev/null
+++ b/common/boards/qemu-virt/qemu-virt-lockdown.sconfig
@@ -0,0 +1,24 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# Barebox/arm Security Configuration
+#
+SCONFIG_POLICY_NAME="lockdown"
+SCONFIG_SECURITY_POLICY_SELECT=y
+
+#
+# General Settings
+#
+# SCONFIG_RATP is not set
+# end of General Settings
+
+#
+# Boot Policy
+#
+# SCONFIG_BOOT_UNSIGNED_IMAGES is not set
+# end of Boot Policy
+
+#
+# Command Policy
+#
+# SCONFIG_CMD_GO is not set
+# end of Command Policy
diff --git a/security/qemu-virt-devel.sconfig b/security/qemu-virt-devel.sconfig
new file mode 100644
index 0000000000000000000000000000000000000000..4513917a95cca07d415fcc856589dca92a289707
--- /dev/null
+++ b/security/qemu-virt-devel.sconfig
@@ -0,0 +1,24 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# Barebox/arm Security Configuration
+#
+SCONFIG_POLICY_NAME="devel"
+SCONFIG_SECURITY_POLICY_SELECT=y
+
+#
+# General Settings
+#
+SCONFIG_RATP=y
+# end of General Settings
+
+#
+# Boot Policy
+#
+SCONFIG_BOOT_UNSIGNED_IMAGES=y
+# end of Boot Policy
+
+#
+# Command Policy
+#
+SCONFIG_CMD_GO=y
+# end of Command Policy
diff --git a/security/qemu-virt-tamper.sconfig b/security/qemu-virt-tamper.sconfig
new file mode 100644
index 0000000000000000000000000000000000000000..f2453a9936c19fe8a31879d1ee48cd0ce6655d5e
--- /dev/null
+++ b/security/qemu-virt-tamper.sconfig
@@ -0,0 +1,24 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# Barebox/arm Security Configuration
+#
+SCONFIG_POLICY_NAME="tamper"
+# SCONFIG_SECURITY_POLICY_SELECT is not set
+
+#
+# General Settings
+#
+# SCONFIG_RATP is not set
+# end of General Settings
+
+#
+# Boot Policy
+#
+# SCONFIG_BOOT_UNSIGNED_IMAGES is not set
+# end of Boot Policy
+
+#
+# Command Policy
+#
+# SCONFIG_CMD_GO is not set
+# end of Command Policy

-- 
2.39.5