First pass at some SELinux policies for the Shibboleth SP.

Generate shibshar.fc; use shibshar.te directly.
The policy files are neither built NOR installed, currently.
Also fix a small configure bug.

git-svn-id: https://svn.middleware.georgetown.edu/cpp-sp/trunk@1460 cb58f699-b61c-0410-a6fe-9272a202ed29

diff --git a/Makefile.am b/Makefile.am
index 46b65e8..60dbd1d 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -22,7 +22,7 @@ WANT_SUBDIRS = @WANT_SUBDIRS@
 SUBDIRS = $(WANT_SUBDIRS)
 
 DIST_SUBDIRS = doc oncrpc shib schemas configs shib-target shar test \
-       apache siterefresh shib-mysql-ccache xmlproviders
+       apache siterefresh shib-mysql-ccache xmlproviders selinux
 
 all-local: shibboleth.spec
 

diff --git a/configure.ac b/configure.ac
index 8cb5521..7a892c8 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -192,7 +192,7 @@ int i = 0;
 #error must use patched version 2.6.1 provided by Shibboleth project (http://wayf.internet2.edu/shibboleth/)
 #endif])],
         [AC_MSG_RESULT(OK)],
-        [AC_MSG_FAILURE([Shibboleth requires patched Xerces version 2.6.1 (http://wayf.internet2.edu/shibboleth/)])])
+        [AC_MSG_ERROR([Shibboleth requires patched Xerces version 2.6.1 (http://wayf.internet2.edu/shibboleth/)])])
 AC_TRY_LINK(
         [#include <xercesc/util/PlatformUtils.hpp>],
         [xercesc::XMLPlatformUtils::Initialize()],
@@ -241,7 +241,7 @@ WANT_SUBDIRS="doc shib schemas configs shib-target shar siterefresh test xmlprov
 AC_CONFIG_FILES([Makefile doc/Makefile shib/Makefile schemas/Makefile \
                 configs/Makefile oncrpc/Makefile oncrpc/rpc/Makefile \
                 shib-target/Makefile shar/Makefile siterefresh/Makefile \
-                test/Makefile xmlproviders/Makefile])
+                test/Makefile xmlproviders/Makefile selinux/Makefile])
 
 
 # now deal with the rpc library, to see if we need to build our own

diff --git a/selinux/.cvsignore b/selinux/.cvsignore
new file mode 100644 (file)
index 0000000..ffe8c01
--- /dev/null
+++ b/selinux/.cvsignore
@@ -0,0 +1,3 @@
+Makefile.in
+Makefile
+shibshar.fc

diff --git a/selinux/Makefile.am b/selinux/Makefile.am
new file mode 100644 (file)
index 0000000..c13c06e
--- /dev/null
+++ b/selinux/Makefile.am
@@ -0,0 +1,21 @@
+## $Id$ 
+
+AUTOMAKE_OPTIONS = foreign
+
+varrundir = /var/run
+BUILDFILES = shibshar.fc
+CLEANFILES = $(BUILDFILES)
+
+all-data-local: $(BUILDFILES)
+
+install-data-local:    all-data-local
+
+shibshar.fc: ${srcdir}/shibshar.fc.in Makefile ${top_builddir}/config.status
+       rm -f $@.tmp
+       sed < ${srcdir}/$@.in > $@.tmp \
+           -e 's:@-SBINDIR-@:${sbindir}:' \
+           -e 's:@-VARRUNDIR-@:${varrundir}:'
+       cmp -s $@ $@.tmp || mv $@.tmp $@
+       rm -f $@.tmp
+
+EXTRA_DIST = .cvsignore shibshar.fc.in shibshar.te

diff --git a/selinux/shibshar.fc.in b/selinux/shibshar.fc.in
new file mode 100644 (file)
index 0000000..8c1b4d2
--- /dev/null
+++ b/selinux/shibshar.fc.in
@@ -0,0 +1,4 @@
+# Shibboleth SHAR
+@-SBINDIR-@/shar       --      system_u:object_r:shibshar_exec_t
+@-VARRUNDIR-@/shib-shar\.sock  -s      system_u:object_r:shibshar_var_run_t
+

diff --git a/selinux/shibshar.te b/selinux/shibshar.te
new file mode 100644 (file)
index 0000000..32c766c
--- /dev/null
+++ b/selinux/shibshar.te
@@ -0,0 +1,29 @@
+# Shibboleth SHAR
+
+# Define the shibshar daemon.
+daemon_domain(shibshar)
+
+# Transition the shar socket to the shibshar_var_run_t type
+# when the shar creates it
+file_type_auto_trans(shibshar_t, var_run_t, shibshar_var_run_t, sock_file)
+
+# Enable the shar to work
+can_exec(shibshar_t, shibshar_exec_t)
+uses_shlib(shibshar_t)
+can_network(shibshar_t)
+can_tcp_connect(shibshar_t, unconfined_t)
+allow shibshar_t etc_t:file r_file_perms;
+allow shibshar_t bin_t:dir r_dir_perms;
+allow shibshar_t bin_t:file rx_file_perms;
+allow shibshar_t var_log_t:dir rw_dir_perms;
+allow shibshar_t var_log_t:file rw_file_perms;
+allow shibshar_t var_log_t:file { create };
+
+allow shibshar_t shibshar_t:unix_stream_socket create_stream_socket_perms;
+allow shibshar_t shibshar_t:netlink_route_socket { create bind };
+
+# Enable HTTPD to connect to the shib-shar socket and read/write to it
+can_unix_connect(httpd_t, shibshar_var_run_t)
+allow httpd_t shibshar_var_run_t:sock_file { write };
+allow httpd_t shibshar_t:unix_stream_socket { connectto };
+