From: jason@perfinion.com (Jason Zaman)
Date: Fri, 3 Nov 2017 01:31:19 +0800
Subject: [refpolicy] [PATCH 1/3] gssproxy: add policy
Message-ID: <20171102173121.22531-1-jason@perfinion.com>
To: refpolicy@oss.tresys.com
List-Id: refpolicy.oss.tresys.com
borrowed and modified from Fedora
---
gssproxy.fc | 8 +++
gssproxy.if | 168 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
gssproxy.te | 66 ++++++++++++++++++++++++
3 files changed, 242 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..1f8a446
--- /dev/null
+++ b/gssproxy.if
@@ -0,0 +1,168 @@
+## policy for gssproxy - daemon to proxy GSSAPI context establishment and channel handling
+
+########################################
+##
+## Execute gssproxy in the gssproxy domin.
+##
+##
+##
+## Domain allowed to transition.
+##
+##
+#
+interface(`gssproxy_domtrans',`
+ gen_require(`
+ type gssproxy_t, gssproxy_exec_t;
+ ')
+
+ corecmd_search_bin($1)
+ domtrans_pattern($1, gssproxy_exec_t, gssproxy_t)
+')
+
+########################################
+##
+## Search gssproxy lib directories.
+##
+##
+##
+## Domain allowed access.
+##
+##
+#
+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)
+')
+
+########################################
+##
+## Read gssproxy lib files.
+##
+##
+##
+## Domain allowed access.
+##
+##
+#
+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)
+')
+
+########################################
+##
+## Manage gssproxy lib files.
+##
+##
+##
+## Domain allowed access.
+##
+##
+#
+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)
+')
+
+########################################
+##
+## Manage gssproxy lib directories.
+##
+##
+##
+## Domain allowed access.
+##
+##
+#
+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)
+')
+
+########################################
+##
+## Read gssproxy PID files.
+##
+##
+##
+## Domain allowed access.
+##
+##
+#
+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)
+')
+
+########################################
+##
+## Connect to gssproxy over an unix
+## domain stream socket.
+##
+##
+##
+## Domain allowed access.
+##
+##
+#
+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)
+')
+
+########################################
+##
+## All of the rules required to administrate
+## an gssproxy environment
+##
+##
+##
+## Domain allowed access.
+##
+##
+##
+#
+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)
+
+ admin_pattern($1, gssproxy_unit_t)
+')
diff --git a/gssproxy.te b/gssproxy.te
new file mode 100644
index 0000000..c1dcc55
--- /dev/null
+++ b/gssproxy.te
@@ -0,0 +1,66 @@
+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_manage_host_rcache(gssproxy_t)
+ kerberos_read_keytab(gssproxy_t)
+ kerberos_use(gssproxy_t)
+')
--
2.13.6