From b6cc2f91f4c5451ae936c6d278f4834bf0c2b856 Mon Sep 17 00:00:00 2001 From: Chris PeBenito Date: Mon, 1 May 2006 20:36:13 +0000 Subject: [PATCH] add sxid, bug 1661 --- refpolicy/Changelog | 1 + refpolicy/policy/modules/admin/sxid.fc | 6 ++ refpolicy/policy/modules/admin/sxid.if | 21 +++++ refpolicy/policy/modules/admin/sxid.te | 111 +++++++++++++++++++++++ refpolicy/policy/modules/services/mta.te | 6 +- 5 files changed, 144 insertions(+), 1 deletion(-) create mode 100644 refpolicy/policy/modules/admin/sxid.fc create mode 100644 refpolicy/policy/modules/admin/sxid.if create mode 100644 refpolicy/policy/modules/admin/sxid.te diff --git a/refpolicy/Changelog b/refpolicy/Changelog index 003d3070..cdf13c28 100644 --- a/refpolicy/Changelog +++ b/refpolicy/Changelog @@ -74,6 +74,7 @@ snort soundserver speedtouch + sxid thunderbird tor (Erich Schubert) transproxy diff --git a/refpolicy/policy/modules/admin/sxid.fc b/refpolicy/policy/modules/admin/sxid.fc new file mode 100644 index 00000000..a512da7b --- /dev/null +++ b/refpolicy/policy/modules/admin/sxid.fc @@ -0,0 +1,6 @@ +/usr/bin/sxid -- gen_require(system_u:object_r:sxid_exec_t,s0) +/usr/sbin/checksecurity\.se -- gen_require(system_u:object_r:sxid_exec_t,s0) + +/var/log/setuid.* -- gen_require(system_u:object_r:sxid_log_t,s0) +/var/log/setuid\.today.* -- gen_require(system_u:object_r:sxid_log_t,s0) +/var/log/sxid\.log.* -- gen_require(system_u:object_r:sxid_log_t,s0) diff --git a/refpolicy/policy/modules/admin/sxid.if b/refpolicy/policy/modules/admin/sxid.if new file mode 100644 index 00000000..36c3a486 --- /dev/null +++ b/refpolicy/policy/modules/admin/sxid.if @@ -0,0 +1,21 @@ +## SUID/SGID program monitoring + +######################################## +## +## Allow the specified domain to read +## sxid log files. +## +## +## +## Domain allowed access. +## +## +# +interface(`sxid_read_log',` + gen_require(` + type sxid_log_t; + ') + + logging_search_logs($1) + allow $1 sxid_log_t:file r_file_perms; +') diff --git a/refpolicy/policy/modules/admin/sxid.te b/refpolicy/policy/modules/admin/sxid.te new file mode 100644 index 00000000..1c9f2893 --- /dev/null +++ b/refpolicy/policy/modules/admin/sxid.te @@ -0,0 +1,111 @@ + +policy_module(sxid,1.0.0) + +######################################## +# +# Declarations +# + +type sxid_t; +type sxid_exec_t; +domain_type(sxid_t) +domain_entry_file(sxid_t,sxid_exec_t) + +type sxid_log_t; +logging_log_file(sxid_log_t) + +type sxid_tmp_t; +files_tmp_file(sxid_tmp_t) + +######################################## +# +# Local policy +# + +allow sxid_t self:capability { dac_override dac_read_search fsetid }; +dontaudit sxid_t self:capability { setuid setgid sys_tty_config }; +allow sxid_t self:process signal_perms; +allow sxid_t self:fifo_file rw_file_perms; +allow sxid_t self:tcp_socket create_stream_socket_perms; +allow sxid_t self:udp_socket create_socket_perms; + +allow sxid_t sxid_log_t:file create_file_perms; +logging_log_filetrans(sxid_t,sxid_log_t,file) + +allow sxid_t sxid_tmp_t:dir create_dir_perms; +allow sxid_t sxid_tmp_t:file create_file_perms; +files_tmp_filetrans(sxid_t, sxid_tmp_t, { file dir }) + +kernel_read_system_state(sxid_t) +kernel_read_kernel_sysctls(sxid_t) + +corecmd_exec_bin(sxid_t) +corecmd_exec_sbin(sxid_t) +corecmd_exec_shell(sxid_t) + +corenet_tcp_sendrecv_generic_if(sxid_t) +corenet_udp_sendrecv_generic_if(sxid_t) +corenet_raw_sendrecv_generic_if(sxid_t) +corenet_tcp_sendrecv_all_nodes(sxid_t) +corenet_udp_sendrecv_all_nodes(sxid_t) +corenet_raw_sendrecv_all_nodes(sxid_t) +corenet_tcp_sendrecv_all_ports(sxid_t) +corenet_udp_sendrecv_all_ports(sxid_t) +corenet_non_ipsec_sendrecv(sxid_t) +corenet_tcp_bind_all_nodes(sxid_t) +corenet_udp_bind_all_nodes(sxid_t) + +dev_read_sysfs(sxid_t) +dev_getattr_all_blk_files(sxid_t) +dev_getattr_all_blk_files(sxid_t) + +domain_use_interactive_fds(sxid_t) + +files_list_all(sxid_t) +files_getattr_all_symlinks(sxid_t) +files_getattr_all_pipes(sxid_t) +files_getattr_all_sockets(sxid_t) + +fs_getattr_xattr_fs(sxid_t) +fs_search_auto_mountpoints(sxid_t) +fs_list_all(sxid_t) + +term_dontaudit_use_console(sxid_t) + +auth_read_all_files_except_shadow(sxid_t) + +init_use_fds(sxid_t) +init_use_script_ptys(sxid_t) + +libs_use_ld_so(sxid_t) +libs_use_shared_libs(sxid_t) + +logging_send_syslog_msg(sxid_t) + +miscfiles_read_localization(sxid_t) + +mount_exec(sxid_t) + +sysnet_read_config(sxid_t) + +userdom_dontaudit_use_unpriv_user_fds(sxid_t) + +cron_system_entry(sxid_t,sxid_exec_t) + +ifdef(`targeted_policy',` + term_dontaudit_use_unallocated_ttys(sxid_t) + term_dontaudit_use_generic_ptys(sxid_t) + files_dontaudit_read_root_files(sxid_t) +') + +optional_policy(` + mta_send_mail(sxid_t) +') + +optional_policy(` + seutil_sigchld_newrole(sxid_t) +') + +optional_policy(` + udev_read_db(sxid_t) +') diff --git a/refpolicy/policy/modules/services/mta.te b/refpolicy/policy/modules/services/mta.te index 0fef6371..35bf0cdc 100644 --- a/refpolicy/policy/modules/services/mta.te +++ b/refpolicy/policy/modules/services/mta.te @@ -1,5 +1,5 @@ -policy_module(mta,1.3.3) +policy_module(mta,1.3.4) ######################################## # @@ -166,6 +166,10 @@ optional_policy(` qmail_domtrans_inject(system_mail_t) ') +optional_policy(` + sxid_read_log(system_mail_t) +') + optional_policy(` userdom_dontaudit_use_unpriv_users_ptys(system_mail_t)