add portslave, bug 1538

refpolicy/Changelog

@@ -72,6 +72,7 @@
 	openca
 	openvpn (Petre Rodan)
 	perdition
+	portslave
 	postgrey
 	pxe
 	pyzor (Dan Walsh)

refpolicy/policy/modules/services/portslave.fc

@@ -0,0 +1,4 @@
+/etc/portslave(/.*)?		gen_context(system_u:object_r:portslave_etc_t,s0)
+
+/usr/sbin/ctlportslave	--	gen_context(system_u:object_r:portslave_exec_t,s0)
+/usr/sbin/portslave	--	gen_context(system_u:object_r:portslave_exec_t,s0)

refpolicy/policy/modules/services/portslave.if

@@ -0,0 +1,24 @@
+## <summary>Portslave terminal server software</summary>
+
+########################################
+## <summary>
+##	Execute portslave with a domain transition.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed to transition.
+##	</summary>
+## </param>
+#
+interface(`portslave_domtrans',`
+	gen_require(`
+		type portslave_t, portslave_exec_t;
+	')
+
+	domain_auto_trans($1,portslave_exec_t,portslave_t)
+
+	allow $1 portslave_t:fd use;
+	allow portslave_t $1:fd use;
+	allow portslave_t $1:fifo_file rw_file_perms;
+	allow portslave_t $1:process sigchld;
+')

refpolicy/policy/modules/services/portslave.te

@@ -0,0 +1,142 @@
+
+policy_module(portslave,1.0.0)
+
+########################################
+#
+# Declarations
+#
+
+type portslave_t;
+type portslave_exec_t;
+init_domain(portslave_t,portslave_exec_t)
+init_daemon_domain(portslave_t,portslave_exec_t)
+
+type portslave_etc_t;
+files_type(portslave_etc_t)
+
+type portslave_lock_t;
+files_lock_file(portslave_lock_t)
+
+########################################
+#
+# Local policy
+#
+
+# setuid setgid net_admin fsetid for pppd
+# sys_admin for ctlportslave
+# net_bind_service for rlogin
+allow portslave_t self:capability { setuid setgid net_admin fsetid net_bind_service sys_tty_config };
+dontaudit portslave_t self:capability sys_admin;
+allow portslave_t self:process signal_perms;
+allow portslave_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execstack execheap };
+allow portslave_t self:fd use;
+allow portslave_t self:fifo_file rw_file_perms;
+allow portslave_t self:unix_dgram_socket create_socket_perms;
+allow portslave_t self:unix_stream_socket create_stream_socket_perms;
+allow portslave_t self:unix_dgram_socket sendto;
+allow portslave_t self:unix_stream_socket connectto;
+allow portslave_t self:shm create_shm_perms;
+allow portslave_t self:sem create_sem_perms;
+allow portslave_t self:msgq create_msgq_perms;
+allow portslave_t self:msg { send receive };
+allow portslave_t self:tcp_socket create_stream_socket_perms;
+allow portslave_t self:udp_socket create_socket_perms;
+
+allow portslave_t portslave_etc_t:dir r_dir_perms;
+allow portslave_t portslave_etc_t:file r_file_perms;
+allow portslave_t portslave_etc_t:lnk_file { getattr read };
+
+allow portslave_t portslave_lock_t:file create_file_perms;
+files_lock_filetrans(portslave_t,portslave_lock_t,file)
+
+kernel_read_system_state(portslave_t)
+kernel_read_kernel_sysctls(portslave_t)
+
+corecmd_exec_bin(portslave_t)
+corecmd_exec_shell(portslave_t)
+
+corenet_non_ipsec_sendrecv(portslave_t)
+corenet_tcp_sendrecv_generic_if(portslave_t)
+corenet_udp_sendrecv_generic_if(portslave_t)
+corenet_tcp_sendrecv_all_nodes(portslave_t)
+corenet_udp_sendrecv_all_nodes(portslave_t)
+corenet_tcp_sendrecv_all_ports(portslave_t)
+corenet_udp_sendrecv_all_ports(portslave_t)
+corenet_tcp_bind_all_nodes(portslave_t)
+corenet_udp_bind_all_nodes(portslave_t)
+corenet_rw_ppp_dev(portslave_t)
+
+dev_read_sysfs(portslave_t)
+# for ssh
+dev_read_urand(portslave_t)
+
+domain_use_interactive_fds(portslave_t)
+
+files_read_etc_files(portslave_t)
+files_read_etc_runtime_files(portslave_t)
+files_exec_etc_files(portslave_t)
+
+fs_search_auto_mountpoints(portslave_t)
+fs_getattr_xattr_fs(portslave_t)
+
+term_use_unallocated_ttys(portslave_t)
+term_setattr_unallocated_ttys(portslave_t)
+term_use_all_user_ttys(portslave_t)
+term_dontaudit_use_console(portslave_t)
+term_search_ptys(portslave_t)
+
+auth_rw_login_records(portslave_t)
+auth_domtrans_chk_passwd(portslave_t)
+init_use_fds(portslave_t)
+init_use_script_ptys(portslave_t)
+init_rw_utmp(portslave_t)
+
+libs_use_ld_so(portslave_t)
+libs_use_shared_libs(portslave_t)
+
+logging_send_syslog_msg(portslave_t)
+logging_search_logs(portslave_t)
+
+sysnet_read_config(portslave_t)
+
+userdom_use_unpriv_users_fds(portslave_t)
+# for ~/.ppprc - if it actually exists then you need some policy to read it
+userdom_search_all_users_home_dirs(portslave_t)
+
+mta_send_mail(portslave_t)
+
+# this should probably be a domtrans to pppd
+# instead of exec.
+ppp_read_rw_config(portslave_t)
+ppp_exec(portslave_t)
+ppp_read_secrets(portslave_t)
+ppp_manage_pid_files(portslave_t)
+ppp_pid_filetrans(portslave_t)
+
+ssh_exec(portslave_t)
+
+ifdef(`targeted_policy',`
+	term_dontaudit_use_unallocated_ttys(portslave_t)
+	term_dontaudit_use_generic_ptys(portslave_t)
+	files_dontaudit_read_root_files(portslave_t)
+')
+
+optional_policy(`
+	inetd_tcp_service_domain(portslave_t,portslave_exec_t)
+')
+
+optional_policy(`
+	nis_use_ypbind(portslave_t)
+')
+
+optional_policy(`
+	radius_use(portslave_t)
+')
+
+optional_policy(`
+	seutil_sigchld_newrole(portslave_t)
+')
+
+optional_policy(`
+	udev_read_db(portslave_t)
+')

refpolicy/policy/modules/services/ppp.if

@@ -140,3 +140,98 @@ interface(`ppp_run',`
 	role $2 types pppd_t;
 	allow pppd_t $3:chr_file rw_term_perms;
 ')
+
+########################################
+## <summary>
+##	 Execute domain in the ppp caller.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	 Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`ppp_exec',`
+	gen_require(`
+		type pppd_exec_t;
+	')
+
+	corecmd_search_sbin($1)
+	can_exec($1, pppd_exec_t)
+')
+
+########################################
+## <summary>
+##	Read PPP-writable configuration files.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`ppp_read_rw_config',`
+	gen_require(`
+		type pppd_etc_t, pppd_etc_rw_t;
+	')
+
+	allow $1 pppd_etc_t:dir list_dir_perms;
+	allow $1 pppd_etc_rw_t:file { getattr read };
+	files_search_etc($1)
+')
+
+########################################
+## <summary>
+##	Read PPP secrets.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`ppp_read_secrets',`
+	gen_require(`
+		type pppd_etc_t, pppd_secret_t;
+	')
+
+	allow $1 pppd_etc_t:dir list_dir_perms;
+	allow $1 pppd_secret_t:file { getattr read };
+	files_search_etc($1)
+')
+
+########################################
+## <summary>
+##	Create, read, write, and delete PPP pid files.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`ppp_manage_pid_files',`
+	gen_require(`
+		type pppd_var_run_t;
+	')
+
+	allow $1 pppd_var_run_t:file manage_file_perms;
+')
+
+########################################
+## <summary>
+##	Create, read, write, and delete PPP pid files.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`ppp_pid_filetrans',`
+	gen_require(`
+		type pppd_var_run_t;
+	')
+
+	files_pid_filetrans($1,pppd_var_run_t,file)
+')

refpolicy/policy/modules/services/ppp.te

@@ -1,5 +1,5 @@
 
-policy_module(ppp,1.2.1)
+policy_module(ppp,1.2.2)
 
 ########################################
 #

refpolicy/policy/modules/services/ssh.if

@@ -671,6 +671,25 @@ interface(`ssh_tcp_connect',`
 	kernel_tcp_recvfrom($1)
 ')
 
+########################################
+## <summary>
+##	Execute the ssh client in the caller domain.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`ssh_exec',`
+	gen_require(`
+		type ssh_exec_t;
+	')
+
+	corecmd_search_bin($1)
+	can_exec($1,ssh_exec_t)
+')
+
 ########################################
 ## <summary>
 ##	Read ssh server keys

refpolicy/policy/modules/services/ssh.te

@@ -1,5 +1,5 @@
 
-policy_module(ssh,1.3.1)
+policy_module(ssh,1.3.2)
 
 ########################################
 #