From: guido@trentalancia.net (Guido Trentalancia)
Date: Sat, 22 Apr 2017 13:28:25 +0200
Subject: [refpolicy] [PATCH] login take 3
In-Reply-To: <20170422073418.rwwbu2nvewlujeae@athena.coker.com.au>
References: <20170422073418.rwwbu2nvewlujeae@athena.coker.com.au>
Message-ID: <7A12E640-9DE9-4A51-A0DB-B34DCCF8C5AB@trentalancia.net>
To: refpolicy@oss.tresys.com
List-Id: refpolicy.oss.tresys.com

Yes, this looks much safer than previous versions!

On the 22nd of April 2017 09:34:18 CEST, Russell Coker via refpolicy <refpolicy@oss.tresys.com> wrote:
>Here's another version without the sulogin patch.
>
>Index: refpolicy-2.20170421/policy/modules/system/locallogin.te
>===================================================================
>--- refpolicy-2.20170421.orig/policy/modules/system/locallogin.te
>+++ refpolicy-2.20170421/policy/modules/system/locallogin.te
>@@ -33,6 +33,7 @@ role system_r types sulogin_t;
> #
> 
>allow local_login_t self:capability { chown dac_override fowner fsetid
>kill setgid setuid sys_nice sys_resource sys_tty_config };
>+dontaudit local_login_t self:capability net_admin;
> allow local_login_t self:process { setexec setrlimit setsched };
> allow local_login_t self:fd use;
> allow local_login_t self:fifo_file rw_fifo_file_perms;
>Index: refpolicy-2.20170421/policy/modules/contrib/policykit.te
>===================================================================
>--- refpolicy-2.20170421.orig/policy/modules/contrib/policykit.te
>+++ refpolicy-2.20170421/policy/modules/contrib/policykit.te
>@@ -87,6 +87,9 @@ domtrans_pattern(policykit_t, policykit_
> 
> kernel_read_kernel_sysctls(policykit_t)
> kernel_read_system_state(policykit_t)
>+fs_getattr_tmpfs(policykit_t)
>+fs_getattr_cgroup(policykit_t)
>+dev_read_urand(policykit_t)
> 
> dev_read_urand(policykit_t)
> 
>@@ -101,6 +104,7 @@ auth_use_nsswitch(policykit_t)
> 
> userdom_getattr_all_users(policykit_t)
> userdom_read_all_users_state(policykit_t)
>+userdom_dbus_send_all_users(policykit_t)
> 
> optional_policy(`
> 	dbus_system_domain(policykit_t, policykit_exec_t)
>Index: refpolicy-2.20170421/policy/modules/contrib/dbus.te
>===================================================================
>--- refpolicy-2.20170421.orig/policy/modules/contrib/dbus.te
>+++ refpolicy-2.20170421/policy/modules/contrib/dbus.te
>@@ -96,6 +96,12 @@ corecmd_exec_shell(system_dbusd_t)
> dev_read_urand(system_dbusd_t)
> dev_read_sysfs(system_dbusd_t)
> 
>+ifdef(`init_systemd', `
>+	# gdm3 causes system_dbusd_t to want this access
>+	dev_rw_dri(system_dbusd_t)
>+	dev_rw_input_dev(system_dbusd_t)
>+')
>+
> domain_use_interactive_fds(system_dbusd_t)
> domain_read_all_domains_state(system_dbusd_t)
> 
>Index: refpolicy-2.20170421/policy/modules/system/authlogin.te
>===================================================================
>--- refpolicy-2.20170421.orig/policy/modules/system/authlogin.te
>+++ refpolicy-2.20170421/policy/modules/system/authlogin.te
>@@ -105,6 +105,8 @@ files_list_etc(chkpwd_t)
> kernel_read_crypto_sysctls(chkpwd_t)
> # is_selinux_enabled
> kernel_read_system_state(chkpwd_t)
>+selinux_get_enforce_mode(chkpwd_t)
>+selinux_getattr_fs(chkpwd_t)
> 
> domain_dontaudit_use_interactive_fds(chkpwd_t)
> 
>Index: refpolicy-2.20170421/policy/modules/contrib/gpg.te
>===================================================================
>--- refpolicy-2.20170421.orig/policy/modules/contrib/gpg.te
>+++ refpolicy-2.20170421/policy/modules/contrib/gpg.te
>@@ -87,6 +87,7 @@ gpg_stream_connect_agent(gpg_t)
> domtrans_pattern(gpg_t, gpg_agent_exec_t, gpg_agent_t)
> domtrans_pattern(gpg_t, gpg_helper_exec_t, gpg_helper_t)
> 
>+kernel_read_crypto_sysctls(gpg_t)
> kernel_read_sysctl(gpg_t)
> # read /proc/cpuinfo
> kernel_read_system_state(gpg_t)
>@@ -214,6 +215,11 @@ manage_sock_files_pattern(gpg_agent_t, g
> manage_files_pattern(gpg_agent_t, gpg_secret_t, gpg_secret_t)
> manage_lnk_files_pattern(gpg_agent_t, gpg_secret_t, gpg_secret_t)
> 
>+xserver_sigchld_xdm(gpg_agent_t)
>+dbus_system_bus_client(gpg_agent_t)
>+auth_use_nsswitch(gpg_agent_t)
>+xserver_read_user_xauth(gpg_agent_t)
>+
> manage_dirs_pattern(gpg_agent_t, gpg_agent_tmp_t, gpg_agent_tmp_t)
> manage_files_pattern(gpg_agent_t, gpg_agent_tmp_t, gpg_agent_tmp_t)
>manage_sock_files_pattern(gpg_agent_t, gpg_agent_tmp_t,
>gpg_agent_tmp_t)
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