Test all permissions associated with the lockdown class.
(original patch authored by an intern who wishes to remain
anonymous; I am signing off on his behalf)
Signed-off-by: Stephen Smalley <sds@xxxxxxxxxxxxx>
---
policy/Makefile | 4 +++
policy/test_lockdown.te | 54 +++++++++++++++++++++++++++++++++++++++++
tests/Makefile | 4 +++
tests/lockdown/Makefile | 2 ++
tests/lockdown/test | 42 ++++++++++++++++++++++++++++++++
5 files changed, 106 insertions(+)
create mode 100644 policy/test_lockdown.te
create mode 100644 tests/lockdown/Makefile
create mode 100755 tests/lockdown/test
diff --git a/policy/Makefile b/policy/Makefile
index 5c2c4384cc86..7cc06504f724 100644
--- a/policy/Makefile
+++ b/policy/Makefile
@@ -86,6 +86,10 @@ ifeq ($(shell grep -q all_key_perms $(POLDEV)/include/support/all_perms.spt && e
TARGETS += test_keys.te
endif
+ifeq ($(shell grep -q lockdown $(POLDEV)/include/support/all_perms.spt && echo true),true)
+TARGETS += test_lockdown.te
+endif
+
ifeq (x$(DISTRO),$(filter x$(DISTRO),xRHEL4 xRHEL5 xRHEL6))
TARGETS:=$(filter-out test_overlayfs.te test_mqueue.te test_ibpkey.te, $(TARGETS))
endif
diff --git a/policy/test_lockdown.te b/policy/test_lockdown.te
new file mode 100644
index 000000000000..a7a4b6bb8aec
--- /dev/null
+++ b/policy/test_lockdown.te
@@ -0,0 +1,54 @@
+#################################
+#
+# Policy for testing lockdown
+#
+
+attribute lockdowndomain;
+
+# Domain for lockdown (all operations allowed)
+type test_lockdown_all_t;
+domain_type(test_lockdown_all_t)
+unconfined_runs_test(test_lockdown_all_t)
+typeattribute test_lockdown_all_t lockdowndomain;
+typeattribute test_lockdown_all_t testdomain;
+
+dev_read_raw_memory(test_lockdown_all_t)
+kernel_read_core_if(test_lockdown_all_t)
+corecmd_bin_entry_type(test_lockdown_all_t)
+allow test_lockdown_all_t self:lockdown integrity;
+allow test_lockdown_all_t self:lockdown confidentiality;
+
+# Domain for integrity
+type test_lockdown_integrity_t;
+domain_type(test_lockdown_integrity_t)
+unconfined_runs_test(test_lockdown_integrity_t)
+typeattribute test_lockdown_integrity_t lockdowndomain;
+typeattribute test_lockdown_integrity_t testdomain;
+
+dev_read_raw_memory(test_lockdown_integrity_t)
+kernel_read_core_if(test_lockdown_integrity_t)
+corecmd_bin_entry_type(test_lockdown_integrity_t)
+allow test_lockdown_integrity_t self:lockdown integrity;
+
+# Domain for confidentiality
+type test_lockdown_confidentiality_t;
+domain_type(test_lockdown_confidentiality_t)
+unconfined_runs_test(test_lockdown_confidentiality_t)
+typeattribute test_lockdown_confidentiality_t lockdowndomain;
+typeattribute test_lockdown_confidentiality_t testdomain;
+
+dev_read_raw_memory(test_lockdown_confidentiality_t)
+kernel_read_core_if(test_lockdown_confidentiality_t)
+corecmd_bin_entry_type(test_lockdown_confidentiality_t)
+allow test_lockdown_confidentiality_t self:lockdown confidentiality;
+
+# Domain for lockdown (all operations denied)
+type test_lockdown_none_t;
+domain_type(test_lockdown_none_t)
+unconfined_runs_test(test_lockdown_none_t)
+typeattribute test_lockdown_none_t lockdowndomain;
+typeattribute test_lockdown_none_t testdomain;
+
+dev_read_raw_memory(test_lockdown_none_t)
+kernel_read_core_if(test_lockdown_none_t)
+corecmd_bin_entry_type(test_lockdown_none_t)
diff --git a/tests/Makefile b/tests/Makefile
index 42f7f4026e4a..0a3c68ea9715 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -64,6 +64,10 @@ ifneq ($(shell ./kvercmp $$(uname -r) 5.2),-1)
SUBDIRS += cgroupfs_label
endif
+ifeq ($(shell grep -q lockdown $(POLDEV)/include/support/all_perms.spt && echo true),true)
+SUBDIRS += lockdown
+endif
+
ifeq ($(DISTRO),RHEL4)
SUBDIRS:=$(filter-out bounds dyntrace dyntrans inet_socket mmap nnp_nosuid overlay unix_socket, $(SUBDIRS))
endif
diff --git a/tests/lockdown/Makefile b/tests/lockdown/Makefile
new file mode 100644
index 000000000000..e7c006f270c5
--- /dev/null
+++ b/tests/lockdown/Makefile
@@ -0,0 +1,2 @@
+all:
+clean:
diff --git a/tests/lockdown/test b/tests/lockdown/test
new file mode 100755
index 000000000000..0b81cb16c1a6
--- /dev/null
+++ b/tests/lockdown/test
@@ -0,0 +1,42 @@
+#!/usr/bin/perl
+
+use Test;
+BEGIN { plan tests => 8 }
+
+# everything is allowed
+$result =
+ system "runcon -t test_lockdown_all_t -- head /dev/mem > /dev/null 2>&1";
+ok( $result, 0 );
+
+$result =
+ system "runcon -t test_lockdown_all_t -- head /proc/kcore > /dev/null 2>&1";
+ok( $result, 0 );
+
+# only integrity operations allowed
+$result = system
+ "runcon -t test_lockdown_integrity_t -- head /dev/mem > /dev/null 2>&1";
+ok( $result, 0 );
+
+$result = system
+ "runcon -t test_lockdown_integrity_t -- head /proc/kcore > /dev/null 2>&1";
+ok($result);
+
+# only confidentiality operations allowed
+$result = system
+ "runcon -t test_lockdown_confidentiality_t -- head /dev/mem > /dev/null 2>&1";
+ok($result);
+
+$result = system
+"runcon -t test_lockdown_confidentiality_t -- head /proc/kcore > /dev/null 2>&1";
+ok( $result, 0 );
+
+# nothing is allowed
+$result =
+ system "runcon -t test_lockdown_none_t -- head /dev/mem > /dev/null 2>&1";
+ok($result);
+
+$result =
+ system "runcon -t test_lockdown_none_t -- head /proc/kcore > /dev/null 2>&1";
+ok($result);
+
+exit;
--
2.23.0
