Linux-Help/selinux-ossec
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Added unconfined scripts support

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This commit is contained in:
Eric Renfro 2015-11-23 02:36:37 -05:00
parent 5eb312d450
commit f8e58c8491
1 changed files with 41 additions and 12 deletions
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53
ossec.te
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@ -1,5 +1,5 @@
policy_module(ossec,1.0.139) policy_module(ossec,1.0.157)
######################################## ########################################
# #
@ -84,14 +84,25 @@ type ossec_queue_t;
files_type(ossec_queue_t) files_type(ossec_queue_t)
type ossec_script_t; type ossec_script_t;
files_type(ossec_script_t)
type ossec_script_exec_t; type ossec_script_exec_t;
files_type(ossec_script_exec_t) files_type(ossec_script_t)
domain_type(ossec_script_exec_t) role system_r types ossec_script_t;
domain_entry_file(ossec_script_exec_t, ossec_execd_t) domain_type(ossec_script_t)
#domtrans_pattern(unconfined_t, ossec_script_exec_t, uossec_execd_t) domain_entry_file(ossec_script_t, ossec_script_exec_t)
unconfined_domain(ossec_script_exec_t) unconfined_domain(ossec_script_t)
#unconfined_run(ossec_script_exec_t, ossec_script_t)
type_transition ossec_execd_t ossec_script_exec_t:process unconfined_t;
#files_type(ossec_script_exec_t)
#domain_type(ossec_script_exec_t)
#domain_entry_file(ossec_script_exec_t, ossec_execd_t)
##domtrans_pattern(unconfined_t, ossec_script_exec_t, ossec_execd_t)
#unconfined_domain(ossec_script_exec_t)
#unconfined_shell_domtrans(ossec_script_exec_t)
#unconfined_run(ossec_execd_t, system_r)
#unconfined_run(ossec_script_exec_t, ossec_script_t)
require { require {
type ossec_t; type ossec_t;
@ -132,9 +143,11 @@ require {
type unreserved_port_t; type unreserved_port_t;
type smtp_port_t; type smtp_port_t;
type node_t; type node_t;
class file { rename read lock create write getattr unlink open append }; type shell_exec_t;
type unconfined_t;
class file { rename read lock create write getattr unlink open append entrypoint };
class dir { write getattr read remove_name create add_name }; class dir { write getattr read remove_name create add_name };
class process { setsched }; class process { setsched transition rlimitinh siginh noatsecure };
class capability { dac_override dac_read_search setuid setgid fsetid sys_chroot sys_nice }; class capability { dac_override dac_read_search setuid setgid fsetid sys_chroot sys_nice };
class tcp_socket { create name_bind name_connect }; class tcp_socket { create name_bind name_connect };
class udp_socket { create bind name_bind node_bind }; class udp_socket { create bind name_bind node_bind };
@ -213,13 +226,28 @@ read_lnk_files_pattern(ossec_execd_t, ossec_etc_t, ossec_etc_t)
read_files_pattern(ossec_execd_t, ossec_etc_t, ossec_etc_t) read_files_pattern(ossec_execd_t, ossec_etc_t, ossec_etc_t)
#sysnet_read_config(ossec_execd_t) #sysnet_read_config(ossec_execd_t)
# etc share dir
search_dirs_pattern(ossec_execd_t, ossec_etc_share_t, ossec_etc_share_t)
read_files_pattern(ossec_execd_t, ossec_etc_share_t, ossec_etc_share_t)
#manage_files_pattern(ossec_execd_t, ossec_etc_share_t, ossec_etc_share_t)
# script dir
search_dirs_pattern(ossec_execd_t, ossec_script_t, ossec_script_t)
read_files_pattern(ossec_execd_t, ossec_script_exec_t, ossec_script_exec_t)
exec_files_pattern(ossec_execd_t, ossec_script_exec_t, ossec_script_exec_t)
exec_files_pattern(ossec_execd_t, shell_exec_t, shell_exec_t)
# dgram socket # dgram socket
allow ossec_execd_t self:unix_dgram_socket { create bind getopt }; # connect sendto allow ossec_execd_t self:unix_dgram_socket { create bind getopt read write };
# Read urandom # Read urandom
dev_read_urand(ossec_execd_t) dev_read_urand(ossec_execd_t)
# Run autoresponce unconstrained # Run autoresponce unconstrained
allow ossec_execd_t unconfined_t:process { transition rlimitinh siginh noatsecure };
allow unconfined_t ossec_script_exec_t:file { entrypoint };
#unconfined_domtrans(ossec_script_t) #unconfined_domtrans(ossec_script_t)
#unconfined_run(ossec_execd_t, ossec_script_t) #unconfined_run(ossec_execd_t, ossec_script_t)
@ -249,6 +277,7 @@ manage_sock_files_pattern(ossec_analysisd_t, ossec_queue_t, ossec_queue_t)
# stats dir # stats dir
rw_dirs_pattern(ossec_analysisd_t, ossec_stats_t, ossec_stats_t) rw_dirs_pattern(ossec_analysisd_t, ossec_stats_t, ossec_stats_t)
rw_files_pattern(ossec_analysisd_t, ossec_stats_t, ossec_stats_t) rw_files_pattern(ossec_analysisd_t, ossec_stats_t, ossec_stats_t)
create_files_pattern(ossec_analysisd_t, ossec_stats_t, ossec_stats_t)
append_files_pattern(ossec_analysisd_t, ossec_stats_t, ossec_stats_t) append_files_pattern(ossec_analysisd_t, ossec_stats_t, ossec_stats_t)
# etc dir # etc dir
@ -413,7 +442,7 @@ allow ossec_syscheckd_t self:unix_dgram_socket { create bind getopt connect writ
allow ossec_syscheckd_t ossec_analysisd_t:unix_dgram_socket { sendto }; allow ossec_syscheckd_t ossec_analysisd_t:unix_dgram_socket { sendto };
# Sockets # Sockets
#allow ossec_t self:udp_socket { create }; allow ossec_syscheckd_t self:udp_socket { create connect read write };
allow ossec_syscheckd_t self:tcp_socket { create connect read write }; allow ossec_syscheckd_t self:tcp_socket { create connect read write };
#allow ossec_d_t smtp_port_t:tcp_socket { name_connect }; #allow ossec_d_t smtp_port_t:tcp_socket { name_connect };