Same .te as sent a few days ago, but as a patch and with the other files needed. I think this is ready for inclusion. Signed-off-by: Russell Coker <russell@xxxxxxxxxxxx> Index: refpolicy-2.20210112/policy/modules/services/certbot.fc =================================================================== --- /dev/null +++ refpolicy-2.20210112/policy/modules/services/certbot.fc @@ -0,0 +1,4 @@ +/usr/bin/certbot -- gen_context(system_u:object_r:certbot_exec_t,s0) +/usr/bin/letsencrypt -- gen_context(system_u:object_r:certbot_exec_t,s0) +/var/log/letsencrypt(/.*)? gen_context(system_u:object_r:certbot_log_t,s0) +/var/lib/letsencrypt(/.*)? gen_context(system_u:object_r:certbot_lib_t,s0) Index: refpolicy-2.20210112/policy/modules/services/certbot.if =================================================================== --- /dev/null +++ refpolicy-2.20210112/policy/modules/services/certbot.if @@ -0,0 +1,46 @@ +## <summary>SSL certificate requesting tool certbot AKA letsencrypt.</summary> + +######################################## +## <summary> +## Execute certbot/letsencrypt in the certbot +## domain. +## </summary> +## <param name="domain"> +## <summary> +## Domain allowed to transition. +## </summary> +## </param> +# +interface(`certbot_domtrans',` + gen_require(` + type certbot_t, certbot_exec_t; + ') + + domtrans_pattern($1, certbot_exec_t, certbot_t) +') + +######################################## +## <summary> +## Execute certbot/letsencrypt in the certbot +## domain, and allow the specified role +## the firstboot domain. +## </summary> +## <param name="domain"> +## <summary> +## Domain allowed to transition. +## </summary> +## </param> +## <param name="role"> +## <summary> +## Role allowed access. +## </summary> +## </param> +# +interface(`certbot_run',` + gen_require(` + type certbot_t; + ') + + certbot_domtrans($1) + role $2 types certbot_t; +') Index: refpolicy-2.20210112/policy/modules/services/certbot.te =================================================================== --- /dev/null +++ refpolicy-2.20210112/policy/modules/services/certbot.te @@ -0,0 +1,101 @@ +policy_module(certbot, 1.0.0) + +######################################## +# +# Declarations +# + +type certbot_t; +type certbot_exec_t; +init_daemon_domain(certbot_t, certbot_exec_t) + +type certbot_log_t; +logging_log_file(certbot_log_t) + +type certbot_runtime_t alias certbot_var_run_t; +files_runtime_file(certbot_runtime_t) + +type certbot_tmp_t; +files_tmp_file(certbot_tmp_t) + +type certbot_tmpfs_t; +files_tmpfs_file(certbot_tmpfs_t) + +type certbot_lib_t alias certbot_var_lib_t; +files_type(certbot_lib_t) + +######################################## +# +# Local policy +# + +allow certbot_t self:fifo_file { getattr ioctl read write }; +allow certbot_t self:capability { chown dac_override sys_resource }; +allow certbot_t self:udp_socket all_udp_socket_perms; +allow certbot_t self:tcp_socket all_tcp_socket_perms; +allow certbot_t self:netlink_route_socket create_netlink_socket_perms; + +files_search_var_lib(certbot_t) +manage_dirs_pattern(certbot_t, certbot_lib_t, certbot_lib_t) +manage_files_pattern(certbot_t, certbot_lib_t, certbot_lib_t) + +manage_dirs_pattern(certbot_t, certbot_tmp_t, certbot_tmp_t) +manage_files_pattern(certbot_t, certbot_tmp_t, certbot_tmp_t) +files_tmp_filetrans(certbot_t, certbot_tmp_t, { dir file }) + +manage_files_pattern(certbot_t, certbot_tmpfs_t, certbot_tmpfs_t) +fs_tmpfs_filetrans(certbot_t, certbot_tmpfs_t, { file }) + +# this is for certbot to have write-exec memory, I know it is bad +# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=913544 +# the Debian bug report has background about python-acme and python3-openssl +allow certbot_t self:process execmem; +allow certbot_t certbot_tmp_t:file { map execute }; +allow certbot_t certbot_tmpfs_t:file { map execute }; +allow certbot_t certbot_runtime_t:file { map execute }; + +logging_search_logs(certbot_t) +allow certbot_t certbot_log_t:dir manage_dir_perms; +allow certbot_t certbot_log_t:file manage_file_perms; + +manage_files_pattern(certbot_t, certbot_runtime_t, certbot_runtime_t) +files_runtime_filetrans(certbot_t, certbot_runtime_t, file) + +kernel_search_fs_sysctls(certbot_t) + +corecmd_list_bin(certbot_t) +corecmd_mmap_bin_files(certbot_t) + +corenet_tcp_bind_generic_node(certbot_t) +corenet_tcp_connect_http_port(certbot_t) +corenet_tcp_connect_dns_port(certbot_t) + +# bind to http port for standalone mode +corenet_tcp_bind_http_port(certbot_t) + +domain_use_interactive_fds(certbot_t) +files_read_etc_files(certbot_t) +files_read_usr_files(certbot_t) + +libs_exec_ldconfig(certbot_t) +# for /usr/lib/gcc/x86_64-linux-gnu/8/collect2 +libs_exec_lib_files(certbot_t) + +miscfiles_read_localization(certbot_t) + +miscfiles_read_generic_certs(certbot_t) +miscfiles_manage_generic_tls_privkey_dirs(certbot_t) +miscfiles_manage_generic_tls_privkey_files(certbot_t) +miscfiles_manage_generic_tls_privkey_lnk_files(certbot_t) + +sysnet_read_config(certbot_t) + +userdom_dontaudit_search_user_home_dirs(certbot_t) +userdom_use_user_ptys(certbot_t) + +optional_policy(` + # for writing to webroot + apache_manage_sys_content(certbot_t) + + apache_search_config(certbot_t) +') Index: refpolicy-2.20210112/policy/modules/system/miscfiles.if =================================================================== --- refpolicy-2.20210112.orig/policy/modules/system/miscfiles.if +++ refpolicy-2.20210112/policy/modules/system/miscfiles.if @@ -254,6 +254,26 @@ interface(`miscfiles_manage_generic_tls_ ######################################## ## <summary> +## Manage generic SSL/TLS private +## keys. +## </summary> +## <param name="domain"> +## <summary> +## Domain allowed access. +## </summary> +## </param> +## <rolecap/> +# +interface(`miscfiles_manage_generic_tls_privkey_lnk_files',` + gen_require(` + type tls_privkey_t; + ') + + manage_lnk_files_pattern($1, tls_privkey_t, tls_privkey_t) +') + +######################################## +## <summary> ## Read fonts. ## </summary> ## <param name="domain"> Index: refpolicy-2.20210112/policy/modules/roles/sysadm.te =================================================================== --- refpolicy-2.20210112.orig/policy/modules/roles/sysadm.te +++ refpolicy-2.20210112/policy/modules/roles/sysadm.te @@ -246,6 +246,10 @@ optional_policy(` ') optional_policy(` + certbot_run(sysadm_t, sysadm_r) +') + +optional_policy(` certmaster_admin(sysadm_t, sysadm_r) ')