add content

sec-policy/selinux-knot/files/knot.fc

@@ -0,0 +1,10 @@
+/usr/sbin/knotd		--	gen_context(system_u:object_r:knotd_exec_t,s0)
+
+/usr/sbin/knotc         --      gen_context(system_u:object_r:knotc_exec_t,s0)
+
+/var/run/knot(/.*)?	gen_context(system_u:object_r:knot_var_run_t,s0)
+
+/var/lib/knot(/.*)?	gen_context(system_u:object_r:knot_var_lib_t,s0)
+
+/etc/knot(/.*)?		gen_context(system_u:object_r:knot_etc_t,s0)
+

sec-policy/selinux-knot/files/knot.if

@@ -0,0 +1,198 @@
+
+## <summary>policy for knotc</summary>
+
+########################################
+## <summary>
+##	Execute knotd_exec_t in the knotd domain.
+## </summary>
+## <param name="domain">
+## <summary>
+##	Domain allowed to transition.
+## </summary>
+## </param>
+#
+interface(`knotd_domtrans',`
+	gen_require(`
+		type knotd_t, knotd_exec_t;
+	')
+
+	corecmd_search_bin($1)
+	domtrans_pattern($1, knotd_exec_t, knotd_t)
+')
+
+######################################
+## <summary>
+##	Execute knotd in the caller domain.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`knotd_exec',`
+	gen_require(`
+		type knotd_exec_t;
+	')
+
+	corecmd_search_bin($1)
+	can_exec($1, knotd_exec_t)
+')
+
+########################################
+## <summary>
+##      Knotd /run files transitions.
+## </summary>
+## <param name="domain">
+##      <summary>
+##      Domain allowed access.
+##      </summary>
+## </param>
+#
+interface(`knot_var_run_trans',`
+        gen_require(`
+		type knot_var_run_t;
+                type var_run_t;
+                type tmpfiles_t;
+        ')
+
+        manage_dirs_pattern($1, knot_var_run_t, knot_var_run_t)
+        manage_files_pattern($1, knot_var_run_t, knot_var_run_t)
+        manage_lnk_files_pattern($1, knot_var_run_t, knot_var_run_t)
+	manage_sock_files_pattern($1, knot_var_run_t, knot_var_run_t)
+	search_dirs_pattern($1, knot_var_run_t, knot_var_run_t)
+	files_pid_filetrans($1, knot_var_run_t, { file dir sock_file})
+        filetrans_pattern(tmpfiles_t, var_run_t, knot_var_run_t, dir, "knot")
+')
+
+########################################
+## <summary>
+##      Knot /var/lib files mamange.
+## </summary>
+## <param name="domain">
+##      <summary>
+##      Domain allowed access.
+##      </summary>
+## </param>
+#
+interface(`knot_var_lib_manage',`
+        gen_require(`
+                type knot_var_lib_t;
+        ')
+
+        manage_dirs_pattern($1, knot_var_lib_t, knot_var_lib_t)
+        manage_files_pattern($1, knot_var_lib_t, knot_var_lib_t)
+        manage_lnk_files_pattern($1, knot_var_lib_t, knot_var_lib_t)
+        allow $1 knot_var_lib_t:file map;
+        files_var_lib_filetrans($1, knot_var_lib_t, { file dir })
+')
+
+########################################
+## <summary>
+##      Knotd /var/lib files transitions.
+## </summary>
+## <param name="domain">
+##      <summary>
+##      Domain allowed access.
+##      </summary>
+## </param>
+#
+interface(`knot_var_lib_trans',`
+        gen_require(`
+		type knot_var_lib_t;
+                type var_lib_t;
+                type tmpfiles_t;
+        ')
+
+	knot_var_lib_manage($1)
+        filetrans_pattern(tmpfiles_t, var_lib_t, knot_var_lib_t, dir, "knot")
+')
+
+########################################
+## <summary>
+##      Knot /etc/knot files read.
+## </summary>
+## <param name="domain">
+##      <summary>
+##      Domain allowed access.
+##      </summary>
+## </param>
+#
+interface(`knot_etc_t_read',`
+        gen_require(`
+                type knot_etc_t;
+                type initrc_t;
+        ')
+
+        mmap_read_files_pattern($1, knot_etc_t, knot_etc_t)
+	read_files_pattern(initrc_t, knot_etc_t, knot_etc_t)
+')
+
+########################################
+## <summary>
+##      Knot /tmp files transitions.
+## </summary>
+## <param name="domain">
+##      <summary>
+##      Domain allowed access.
+##      </summary>
+## </param>
+#
+interface(`knot_tmp_trans',`
+        gen_require(`
+                type knot_tmp_t;
+        ')
+
+	files_tmp_filetrans($1, knot_tmp_t, { file dir })
+	allow $1 knot_tmp_t:file map;
+	allow $1 knot_tmp_t:file manage_file_perms;
+	allow $1 knot_tmp_t:dir manage_dir_perms;
+')
+
+########################################
+## <summary>
+##      Execute knotc_exec_t in the knotc domain.
+## </summary>
+## <param name="domain">
+## <summary>
+##      Domain allowed to transition.
+## </summary>
+## </param>
+#
+interface(`knotc_domtrans',`
+        gen_require(`
+                type knotc_t, knotc_exec_t;
+        ')
+
+        corecmd_search_bin($1)
+        domtrans_pattern($1, knotc_exec_t, knotc_t)
+')
+
+########################################
+## <summary>
+##      Role access for knotc
+## </summary>
+## <param name="role">
+##      <summary>
+##      Role allowed access
+##      </summary>
+## </param>
+## <param name="domain">
+##      <summary>
+##      User domain for the role
+##      </summary>
+## </param>
+#
+interface(`knotc_role',`
+        gen_require(`
+                type knotc_t;
+                attribute_role knotc_roles;
+        ')
+
+        roleattribute $1 knotc_roles;
+
+        knotc_domtrans($2)
+
+        ps_process_pattern($2, knotc_t)
+        allow $2 knotc_t:process { signull signal sigkill };
+')

sec-policy/selinux-knot/files/knot.te

@@ -0,0 +1,95 @@
+policy_module(knot, 1.0.0)
+
+########################################
+#
+# Declarations
+#
+
+type knotd_t;
+type knotd_exec_t;
+init_daemon_domain(knotd_t, knotd_exec_t)
+
+type knotc_t;
+type knotc_exec_t;
+application_domain(knotc_t, knotc_exec_t)
+init_daemon_domain(knotc_t, knotc_exec_t)
+role knotc_roles types knotc_t;
+
+attribute_role knotc_roles;
+roleattribute system_r knotc_roles;
+
+type knot_etc_t;
+files_type(knot_etc_t)
+
+type knot_var_run_t;
+files_pid_file(knot_var_run_t)
+
+type knot_var_lib_t;
+files_type(knot_var_lib_t)
+
+type knot_tmp_t;
+files_tmp_file(knot_tmp_t)
+
+########################################
+#
+# knotd local policy
+#
+allow knotd_t self:capability { setgid setuid dac_read_search };
+allow knotd_t self:process { fork signal_perms getcap getsched setsched };
+allow knotd_t self:tcp_socket create_stream_socket_perms;
+allow knotd_t self:udp_socket create_stream_socket_perms;
+allow knotd_t self:unix_stream_socket { listen accept };
+
+corenet_tcp_bind_generic_node(knotd_t)
+corenet_udp_bind_generic_node(knotd_t)
+corenet_tcp_bind_dns_port(knotd_t)
+corenet_udp_bind_dns_port(knotd_t)
+
+knot_etc_t_read(knotd_t)
+knot_var_run_trans(knotd_t)
+knot_var_lib_trans(knotd_t)
+knot_tmp_trans(knotd_t)
+
+kernel_read_kernel_sysctls(knotd_t)
+
+fs_getattr_xattr_fs(knotd_t)
+fs_dontaudit_getattr_tmpfs(knotd_t)
+
+files_read_etc_files(knotd_t)
+
+auth_use_nsswitch(knotd_t)
+
+logging_send_syslog_msg(knotd_t)
+
+miscfiles_read_localization(knotd_t)
+
+########################################
+#
+# knotc local policy
+#
+
+allow knotc_t self:capability { dac_override dac_read_search };
+allow knotc_t knotd_t:unix_stream_socket connectto;
+allow knotc_t knot_var_run_t:dir search;
+allow knotc_t knot_var_run_t:sock_file write_sock_file_perms;
+
+knot_etc_t_read(knotc_t)
+knot_tmp_trans(knotc_t)
+knot_var_lib_manage(knotc_t)
+
+fs_dontaudit_getattr_tmpfs(knotc_t)
+files_dontaudit_search_var_lib(knotc_t)
+
+domain_use_interactive_fds(knotc_t)
+userdom_use_user_ptys(knotc_t)
+
+miscfiles_read_localization(knotc_t)
+
+optional_policy(`
+        gen_require(`
+                type sysadm_t;
+                role sysadm_r;
+        ')
+
+        knotc_role(sysadm_r, sysadm_t)
+')