policy_module(tripwire, 1.2.1)

########################################
#
# Declarations
#

attribute_role siggen_roles;
attribute_role tripwire_roles;
attribute_role twadmin_roles;
attribute_role twprint_roles;

type siggen_t;
type siggen_exec_t;
application_domain(siggen_t, siggen_exec_t)
role siggen_roles types siggen_t;

type tripwire_t;
type tripwire_exec_t;
application_domain(tripwire_t, tripwire_exec_t)
role tripwire_roles types tripwire_t;

type tripwire_etc_t;
files_config_file(tripwire_etc_t)

type tripwire_report_t;
files_type(tripwire_report_t)

type tripwire_tmp_t;
files_tmp_file(tripwire_tmp_t)

type tripwire_var_lib_t;
files_type(tripwire_var_lib_t)

type twadmin_t;
type twadmin_exec_t;
application_domain(twadmin_t, twadmin_exec_t)
role twadmin_roles types twadmin_t;

type twprint_t;
type twprint_exec_t;
application_domain(twprint_t, twprint_exec_t)
role twprint_roles types twprint_t;

########################################
#
# Local policy
#

allow tripwire_t self:capability { setgid setuid dac_override };

allow tripwire_t tripwire_etc_t:dir list_dir_perms;
allow tripwire_t tripwire_etc_t:file read_file_perms;
allow tripwire_t tripwire_etc_t:lnk_file read_lnk_file_perms;

manage_dirs_pattern(tripwire_t, tripwire_report_t, tripwire_report_t)
manage_files_pattern(tripwire_t, tripwire_report_t, tripwire_report_t)
manage_lnk_files_pattern(tripwire_t, tripwire_report_t, tripwire_report_t)

manage_dirs_pattern(tripwire_t, tripwire_tmp_t, tripwire_tmp_t)
manage_files_pattern(tripwire_t, tripwire_tmp_t, tripwire_tmp_t)
manage_lnk_files_pattern(tripwire_t, tripwire_tmp_t, tripwire_tmp_t)
manage_fifo_files_pattern(tripwire_t, tripwire_tmp_t, tripwire_tmp_t)
manage_sock_files_pattern(tripwire_t, tripwire_tmp_t, tripwire_tmp_t)
files_tmp_filetrans(tripwire_t, tripwire_tmp_t,{ dir file lnk_file sock_file fifo_file })

manage_files_pattern(tripwire_t, tripwire_var_lib_t, tripwire_var_lib_t)
files_var_lib_filetrans(tripwire_t, tripwire_var_lib_t, file)

kernel_read_system_state(tripwire_t)
kernel_read_network_state(tripwire_t)
kernel_read_software_raid_state(tripwire_t)
kernel_getattr_core_if(tripwire_t)
kernel_getattr_message_if(tripwire_t)
kernel_read_kernel_sysctls(tripwire_t)

corecmd_exec_bin(tripwire_t)
corecmd_exec_shell(tripwire_t)

domain_use_interactive_fds(tripwire_t)

files_read_all_files(tripwire_t)
files_read_all_symlinks(tripwire_t)
files_getattr_all_pipes(tripwire_t)
files_getattr_all_sockets(tripwire_t)

logging_send_syslog_msg(tripwire_t)

userdom_use_inherited_user_terminals(tripwire_t)

optional_policy(`
	cron_system_entry(tripwire_t, tripwire_exec_t)
')

########################################
#
# Twadmin local policy
#

allow twadmin_t tripwire_etc_t:dir list_dir_perms;
allow twadmin_t tripwire_etc_t:file read_file_perms;
allow twadmin_t tripwire_etc_t:lnk_file read_lnk_file_perms;

domain_use_interactive_fds(twadmin_t)

files_search_etc(twadmin_t)

logging_send_syslog_msg(twadmin_t)

userdom_use_inherited_user_terminals(twadmin_t)

########################################
#
# Twprint local policy
#

allow twprint_t tripwire_etc_t:dir list_dir_perms;
allow twprint_t tripwire_etc_t:file read_file_perms;
allow twprint_t tripwire_etc_t:lnk_file read_lnk_file_perms;

allow twprint_t tripwire_report_t:dir list_dir_perms;
allow twprint_t tripwire_report_t:file read_file_perms;
allow twprint_t tripwire_report_t:lnk_file read_lnk_file_perms;

allow twprint_t tripwire_var_lib_t:dir list_dir_perms;
allow twprint_t tripwire_var_lib_t:file read_file_perms;
allow twprint_t tripwire_var_lib_t:lnk_file read_lnk_file_perms;

domain_use_interactive_fds(twprint_t)

files_search_etc(twprint_t)
files_search_var_lib(twprint_t)

logging_send_syslog_msg(twprint_t)

userdom_use_inherited_user_terminals(twprint_t)

########################################
#
# Siggen local policy
#

domain_use_interactive_fds(siggen_t)

files_read_all_files(siggen_t)

logging_send_syslog_msg(siggen_t)

userdom_use_inherited_user_terminals(siggen_t)