[refpolicy] [PATCH 2/3] gssproxy: add policy

Jason Zaman jason at perfinion.com
Tue Oct 31 05:37:57 UTC 2017


borrowed and modified from Fedora
---
 gssproxy.fc |   8 +++
 gssproxy.if | 199 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 gssproxy.te |  67 ++++++++++++++++++++
 3 files changed, 274 insertions(+)
 create mode 100644 gssproxy.fc
 create mode 100644 gssproxy.if
 create mode 100644 gssproxy.te

diff --git a/gssproxy.fc b/gssproxy.fc
new file mode 100644
index 0000000..a997015
--- /dev/null
+++ b/gssproxy.fc
@@ -0,0 +1,8 @@
+/usr/lib/systemd/system/gssproxy.service	--	gen_context(system_u:object_r:gssproxy_unit_t,s0)
+
+/usr/sbin/gssproxy				--	gen_context(system_u:object_r:gssproxy_exec_t,s0)
+
+/var/lib/gssproxy(/.*)?					gen_context(system_u:object_r:gssproxy_var_lib_t,s0)
+
+/run/gssproxy\.pid				--	gen_context(system_u:object_r:gssproxy_run_t,s0)
+/run/gssproxy\.sock				-s	gen_context(system_u:object_r:gssproxy_run_t,s0)
diff --git a/gssproxy.if b/gssproxy.if
new file mode 100644
index 0000000..cebdb20
--- /dev/null
+++ b/gssproxy.if
@@ -0,0 +1,199 @@
+
+## <summary>policy for gssproxy</summary>
+
+########################################
+## <summary>
+##	Execute gssproxy in the gssproxy domin.
+## </summary>
+## <param name="domain">
+## <summary>
+##	Domain allowed to transition.
+## </summary>
+## </param>
+#
+interface(`gssproxy_domtrans',`
+	gen_require(`
+		type gssproxy_t, gssproxy_exec_t;
+	')
+
+	corecmd_search_bin($1)
+	domtrans_pattern($1, gssproxy_exec_t, gssproxy_t)
+')
+
+########################################
+## <summary>
+##	Search gssproxy lib directories.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`gssproxy_search_lib',`
+	gen_require(`
+		type gssproxy_var_lib_t;
+	')
+
+	allow $1 gssproxy_var_lib_t:dir search_dir_perms;
+	files_search_var_lib($1)
+')
+
+########################################
+## <summary>
+##	Read gssproxy lib files.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`gssproxy_read_lib_files',`
+	gen_require(`
+		type gssproxy_var_lib_t;
+	')
+
+	files_search_var_lib($1)
+	read_files_pattern($1, gssproxy_var_lib_t, gssproxy_var_lib_t)
+')
+
+########################################
+## <summary>
+##	Manage gssproxy lib files.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`gssproxy_manage_lib_files',`
+	gen_require(`
+		type gssproxy_var_lib_t;
+	')
+
+	files_search_var_lib($1)
+	manage_files_pattern($1, gssproxy_var_lib_t, gssproxy_var_lib_t)
+')
+
+########################################
+## <summary>
+##	Manage gssproxy lib directories.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`gssproxy_manage_lib_dirs',`
+	gen_require(`
+		type gssproxy_var_lib_t;
+	')
+
+	files_search_var_lib($1)
+	manage_dirs_pattern($1, gssproxy_var_lib_t, gssproxy_var_lib_t)
+')
+
+########################################
+## <summary>
+##	Read gssproxy PID files.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`gssproxy_read_pid_files',`
+	gen_require(`
+		type gssproxy_run_t;
+	')
+
+	files_search_pids($1)
+	read_files_pattern($1, gssproxy_run_t, gssproxy_run_t)
+')
+
+########################################
+## <summary>
+##	Execute gssproxy server in the gssproxy domain.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed to transition.
+##	</summary>
+## </param>
+#
+interface(`gssproxy_systemctl',`
+	gen_require(`
+		type gssproxy_t;
+		type gssproxy_unit_t;
+	')
+
+	systemd_exec_systemctl($1)
+	init_reload_services($1)
+	allow $1 gssproxy_unit_t:file read_file_perms;
+	allow $1 gssproxy_unit_t:service manage_service_perms;
+
+	ps_process_pattern($1, gssproxy_t)
+')
+
+########################################
+## <summary>
+##	Connect to gssproxy over an unix
+##	domain stream socket.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`gssproxy_stream_connect',`
+	gen_require(`
+		type gssproxy_t, gssproxy_run_t, gssproxy_var_lib_t;
+	')
+
+	files_search_pids($1)
+	stream_connect_pattern($1, gssproxy_run_t, gssproxy_run_t, gssproxy_t)
+	stream_connect_pattern($1, gssproxy_var_lib_t, gssproxy_var_lib_t, gssproxy_t)
+')
+
+########################################
+## <summary>
+##	All of the rules required to administrate
+##	an gssproxy environment
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+## <rolecap/>
+#
+interface(`gssproxy_admin',`
+	gen_require(`
+		type gssproxy_t;
+		type gssproxy_var_lib_t;
+		type gssproxy_run_t;
+		type gssproxy_unit_t;
+	')
+
+	allow $1 gssproxy_t:process { ptrace signal_perms };
+	ps_process_pattern($1, gssproxy_t)
+
+	files_search_var_lib($1)
+	admin_pattern($1, gssproxy_var_lib_t)
+
+	files_search_pids($1)
+	admin_pattern($1, gssproxy_run_t)
+
+	gssproxy_systemctl($1)
+	admin_pattern($1, gssproxy_unit_t)
+	allow $1 gssproxy_unit_t:service all_service_perms;
+	optional_policy(`
+		systemd_passwd_agent_exec($1)
+		systemd_read_fifo_file_passwd_run($1)
+	')
+')
diff --git a/gssproxy.te b/gssproxy.te
new file mode 100644
index 0000000..466c700
--- /dev/null
+++ b/gssproxy.te
@@ -0,0 +1,67 @@
+policy_module(gssproxy, 1.0.0)
+
+########################################
+#
+# Declarations
+#
+
+type gssproxy_t;
+type gssproxy_exec_t;
+init_daemon_domain(gssproxy_t, gssproxy_exec_t)
+
+type gssproxy_var_lib_t;
+files_type(gssproxy_var_lib_t)
+
+type gssproxy_run_t;
+files_pid_file(gssproxy_run_t)
+
+type gssproxy_unit_t;
+init_unit_file(gssproxy_unit_t)
+
+########################################
+#
+# gssproxy local policy
+#
+allow gssproxy_t self:capability { setuid setgid };
+allow gssproxy_t self:capability2 block_suspend;
+allow gssproxy_t self:fifo_file rw_fifo_file_perms;
+allow gssproxy_t self:unix_stream_socket create_stream_socket_perms;
+
+manage_dirs_pattern(gssproxy_t, gssproxy_var_lib_t, gssproxy_var_lib_t)
+manage_files_pattern(gssproxy_t, gssproxy_var_lib_t, gssproxy_var_lib_t)
+manage_sock_files_pattern(gssproxy_t, gssproxy_var_lib_t, gssproxy_var_lib_t)
+manage_lnk_files_pattern(gssproxy_t, gssproxy_var_lib_t, gssproxy_var_lib_t)
+files_var_lib_filetrans(gssproxy_t, gssproxy_var_lib_t, { dir file lnk_file })
+
+manage_dirs_pattern(gssproxy_t, gssproxy_run_t, gssproxy_run_t)
+manage_files_pattern(gssproxy_t, gssproxy_run_t, gssproxy_run_t)
+manage_sock_files_pattern(gssproxy_t, gssproxy_run_t, gssproxy_run_t)
+manage_lnk_files_pattern(gssproxy_t, gssproxy_run_t, gssproxy_run_t)
+files_pid_filetrans(gssproxy_t, gssproxy_run_t, { dir file lnk_file sock_file })
+
+kernel_rw_rpc_sysctls(gssproxy_t)
+
+domain_use_interactive_fds(gssproxy_t)
+
+files_read_etc_files(gssproxy_t)
+
+fs_getattr_all_fs(gssproxy_t)
+
+auth_use_nsswitch(gssproxy_t)
+
+dev_read_urand(gssproxy_t)
+
+logging_send_syslog_msg(gssproxy_t)
+
+miscfiles_read_localization(gssproxy_t)
+
+userdom_read_all_users_keys(gssproxy_t)
+userdom_manage_user_tmp_dirs(gssproxy_t)
+userdom_manage_user_tmp_files(gssproxy_t)
+
+optional_policy(`
+	kerberos_filetrans_named_content(gssproxy_t)
+	kerberos_manage_host_rcache(gssproxy_t)
+	kerberos_read_keytab(gssproxy_t)
+	kerberos_use(gssproxy_t)
+')
-- 
2.13.6



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