diff --git a/policy/modules/services/apache.te b/policy/modules/services/apache.te index e2c50da23..5587583a1 100644 --- a/policy/modules/services/apache.te +++ b/policy/modules/services/apache.te @@ -896,6 +896,14 @@ optional_policy(` snmp_dontaudit_write_snmp_var_lib_files(httpd_t) ') +optional_policy(` + sympa_manage_runtime_sock_files(httpd_t) + sympa_map_var_files(httpd_t) + sympa_read_conf(httpd_t) + sympa_read_var_files(httpd_t) +') + + ######################################## # # Helper local policy @@ -1237,6 +1245,8 @@ files_read_var_symlinks(httpd_sys_script_t) files_search_var_lib(httpd_sys_script_t) files_search_spool(httpd_sys_script_t) +miscfiles_read_generic_certs(httpd_sys_script_t) + apache_domtrans_rotatelogs(httpd_sys_script_t) auth_use_nsswitch(httpd_sys_script_t) @@ -1319,6 +1329,11 @@ optional_policy(` ') ') +optional_policy(` + sympa_manage_var_files(httpd_sys_script_t) + sympa_read_conf(httpd_sys_script_t) +') + ######################################## # # Rotatelogs local policy diff --git a/policy/modules/services/exim.te b/policy/modules/services/exim.te index 1aab4002c..5e001b37b 100644 --- a/policy/modules/services/exim.te +++ b/policy/modules/services/exim.te @@ -250,3 +250,9 @@ optional_policy(` spamassassin_exec(exim_t) spamassassin_exec_client(exim_t) ') + +optional_policy(` + # each of these should probably be for mailserver_delivery or mailserver_domain + sympa_append_inherited_var_files(exim_t) + sympa_read_var_files(exim_t) +') diff --git a/policy/modules/services/mta.if b/policy/modules/services/mta.if index 779c9a971..a20b2c09d 100644 --- a/policy/modules/services/mta.if +++ b/policy/modules/services/mta.if @@ -805,6 +805,26 @@ interface(`mta_read_spool_symlinks',` allow $1 mail_spool_t:lnk_file read; ') +####################################### +## +## read and write fifo files inherited from delivery domains +## +## +## +## Domain to use fifo files +## +## +# +interface(`mta_rw_inherited_delivery_pipes',` + gen_require(` + attribute mailserver_delivery; + ') + + allow $1 mailserver_delivery:fd use; + allow $1 mailserver_delivery:fifo_file rw_inherited_fifo_file_perms; +') + + ####################################### ## ## Do not audit attempts to read diff --git a/policy/modules/services/mta.te b/policy/modules/services/mta.te index d4569fce2..817cbfe49 100644 --- a/policy/modules/services/mta.te +++ b/policy/modules/services/mta.te @@ -297,6 +297,11 @@ optional_policy(` smartmon_read_tmp_files(system_mail_t) ') +optional_policy(` + sympa_append_inherited_var_files(system_mail_t) + symba_dontaudit_rw_inherited_tcp_sockets(system_mail_t) +') + optional_policy(` unconfined_use_fds(system_mail_t) ') @@ -387,6 +392,11 @@ optional_policy(` postfix_rw_inherited_master_pipes(mailserver_delivery) ') +optional_policy(` + symba_dontaudit_rw_inherited_tcp_sockets(mailserver_delivery) + sympa_domtrans(mailserver_delivery) +') + optional_policy(` uucp_domtrans_uux(mailserver_delivery) ') diff --git a/policy/modules/services/sympa.fc b/policy/modules/services/sympa.fc new file mode 100644 index 000000000..c40da944e --- /dev/null +++ b/policy/modules/services/sympa.fc @@ -0,0 +1,9 @@ +/etc/mail/sympa(/.*)? gen_context(system_u:object_r:sympa_etc_t,s0) +/etc/sympa(/.*)? gen_context(system_u:object_r:sympa_etc_t,s0) + +/run/sympa(/.*)? gen_context(system_u:object_r:sympa_runtime_t,s0) + +/usr/lib/sympa/bin/.* -- gen_context(system_u:object_r:sympa_exec_t,s0) + +/var/lib/sympa(/.*)? gen_context(system_u:object_r:sympa_var_t,s0) +/var/spool/sympa(/.*)? gen_context(system_u:object_r:sympa_var_t,s0) diff --git a/policy/modules/services/sympa.if b/policy/modules/services/sympa.if new file mode 100644 index 000000000..79ed3b2a8 --- /dev/null +++ b/policy/modules/services/sympa.if @@ -0,0 +1,190 @@ +## Sympa mailing list manager +## +## Sympa is a popular mailing list manager. +## https://www.sympa.org/ +## + +######################################## +## +## Allow appending to sympa_var_t (for error log) +## +## +## +## Domain allowed access. +## +## +# +interface(`sympa_append_inherited_var_files',` + gen_require(` + type sympa_t, sympa_var_t; + ') + + allow $1 sympa_t:fd use; + allow $1 sympa_var_t:file append_inherited_file_perms; +') + +######################################## +## +## Allow reading sympa_var_t files +## +## +## +## Domain allowed access. +## +## +# +interface(`sympa_read_var_files',` + gen_require(` + type sympa_var_t; + ') + + allow $1 sympa_var_t:dir list_dir_perms; + allow $1 sympa_var_t:file read_file_perms; +') + +######################################## +## +## Allow managing sympa_var_t files +## +## +## +## Domain allowed access. +## +## +# +interface(`sympa_manage_var_files',` + gen_require(` + type sympa_var_t; + ') + + manage_files_pattern($1, sympa_var_t, sympa_var_t) +') + +######################################## +## +## Allow mapping sympa_var_t files +## +## +## +## Domain allowed access. +## +## +# +interface(`sympa_map_var_files',` + gen_require(` + type sympa_var_t; + ') + + allow $1 sympa_var_t:file map; +') + +######################################## +## +## Transition to sympa_t when executing sympa_exec_t +## +## +## +## Domain allowed access. +## +## +# +interface(`sympa_domtrans',` + gen_require(` + type sympa_exec_t, sympa_t; + ') + + domain_auto_transition_pattern($1, sympa_exec_t, sympa_t) +') + +######################################## +## +## Dontaudit access to inherited sympa tcp sockets +## +## +## +## Domain to not audit +## +## +# +interface(`symba_dontaudit_rw_inherited_tcp_sockets',` + gen_require(` + type sympa_t; + ') + + dontaudit $1 sympa_t:tcp_socket { read write }; +') + +######################################## +## +## Allow reading sympa config files +## +## +## +## Domain to allow +## +## +# +interface(`sympa_read_conf',` + gen_require(` + type sympa_etc_t; + ') + + allow $1 sympa_etc_t:dir list_dir_perms; + allow $1 sympa_etc_t:file read_file_perms; +') + +######################################## +## +## Allow rw sympa runtime dirs and manage sympa runtime files +## +## +## +## Domain to allow +## +## +# +interface(`sympa_manage_runtime_files',` + gen_require(` + type sympa_runtime_t; + ') + + allow $1 sympa_runtime_t:dir rw_dir_perms; + allow $1 sympa_runtime_t:file manage_file_perms; +') + +######################################## +## +## Allow rw sympa runtime dirs and manage sympa runtime sock files +## +## +## +## Domain to allow +## +## +# +interface(`sympa_manage_runtime_sock_files',` + gen_require(` + type sympa_runtime_t; + ') + + allow $1 sympa_runtime_t:dir rw_dir_perms; + allow $1 sympa_runtime_t:sock_file { setattr create unlink write }; +') + +######################################## +## +## Allow domain to connect to sympa socket +## +## +## +## Domain to allow +## +## +# +interface(`sympa_connect_runtime_sock_files',` + gen_require(` + type sympa_t; + ') + + allow $1 sympa_t:unix_stream_socket connectto; +') diff --git a/policy/modules/services/sympa.te b/policy/modules/services/sympa.te new file mode 100644 index 000000000..b2aea679d --- /dev/null +++ b/policy/modules/services/sympa.te @@ -0,0 +1,87 @@ +policy_module(sympa) + +######################################## +# +# Declarations +# + +type sympa_t; +type sympa_exec_t; +init_daemon_domain(sympa_t, sympa_exec_t) + +type sympa_etc_t; +files_config_file(sympa_etc_t) + +type sympa_runtime_t; +files_runtime_file(sympa_runtime_t) + +type sympa_tmp_t; +files_tmp_file(sympa_tmp_t) + +type sympa_var_t; +files_type(sympa_var_t) + +######################################## +# +# Local policy +# + +allow sympa_t self:capability { chown dac_override setgid setuid }; +allow sympa_t self:fifo_file rw_fifo_file_perms; +allow sympa_t self:tcp_socket create_socket_perms; +allow sympa_t self:unix_dgram_socket create_socket_perms; +allow sympa_t self:process signull; + +allow sympa_t sympa_etc_t:dir list_dir_perms; +allow sympa_t sympa_etc_t:file read_file_perms; + +allow sympa_t sympa_runtime_t:dir manage_dir_perms; +allow sympa_t sympa_runtime_t:file manage_file_perms; +allow sympa_t sympa_runtime_t:sock_file manage_sock_file_perms; + +allow sympa_t sympa_var_t:dir manage_dir_perms; +allow sympa_t sympa_var_t:file manage_file_perms; + +allow sympa_t sympa_tmp_t:file manage_file_perms; +files_tmp_filetrans(sympa_t, sympa_tmp_t, { file }) + +can_exec(sympa_t, sympa_exec_t) + +auth_dontaudit_read_shadow(sympa_t) + +# for setting SE Linux context in systemd unit file +corecmd_bin_entry_type(sympa_t) + +corecmd_exec_bin(sympa_t) +corecmd_exec_shell(sympa_t) + +dev_read_urand(sympa_t) + +files_read_etc_files(sympa_t) +files_read_usr_files(sympa_t) +files_search_spool(sympa_t) +files_search_var_lib(sympa_t) + +kernel_read_kernel_sysctls(sympa_t) + +logging_send_syslog_msg(sympa_t) + +miscfiles_read_generic_certs(sympa_t) +miscfiles_read_localization(sympa_t) + +sysnet_read_config(sympa_t) + +optional_policy(` + apache_search_sys_scripts(sympa_t) +') + +optional_policy(` + mta_read_config(sympa_t) + mta_send_mail(sympa_t) + mta_rw_inherited_delivery_pipes(sympa_t) +') + +optional_policy(` + mysql_tcp_connect(sympa_t) + mysql_stream_connect(sympa_t) +') diff --git a/policy/modules/system/logging.if b/policy/modules/system/logging.if index 341763730..cf7ef1721 100644 --- a/policy/modules/system/logging.if +++ b/policy/modules/system/logging.if @@ -1069,7 +1069,7 @@ interface(`logging_append_all_inherited_logs',` attribute logfile; ') - allow $1 logfile:file { getattr append ioctl lock }; + allow $1 logfile:file append_inherited_file_perms; ') ######################################## diff --git a/policy/support/obj_perm_sets.spt b/policy/support/obj_perm_sets.spt index 804a01b46..e62863f6f 100644 --- a/policy/support/obj_perm_sets.spt +++ b/policy/support/obj_perm_sets.spt @@ -155,6 +155,7 @@ define(`mmap_read_file_perms',`{ getattr open map read ioctl }') define(`mmap_exec_inherited_file_perms',`{ getattr map read execute ioctl }') define(`mmap_exec_file_perms',`{ getattr open map read execute ioctl }') define(`exec_file_perms',`{ getattr open map read execute ioctl execute_no_trans }') +define(`append_inherited_file_perms',`{ getattr append lock ioctl }') define(`append_file_perms',`{ getattr open append lock ioctl }') define(`write_inherited_file_perms',`{ getattr write append lock ioctl }') define(`write_file_perms',`{ getattr open write append lock ioctl }')