326 lines
7.3 KiB
Text
326 lines
7.3 KiB
Text
|
## <summary>SELinux policy for antivirus programs - amavis, clamd, freshclam and clamscan</summary>
|
||
|
|
||
|
######################################
|
||
|
## <summary>
|
||
|
## Creates types and rules for a basic
|
||
|
## antivirus domain.
|
||
|
## </summary>
|
||
|
## <param name="domain">
|
||
|
## <summary>
|
||
|
## Prefix for the domain.
|
||
|
## </summary>
|
||
|
## </param>
|
||
|
#
|
||
|
interface(`antivirus_domain_template',`
|
||
|
gen_require(`
|
||
|
attribute antivirus_domain;
|
||
|
')
|
||
|
|
||
|
typeattribute $1 antivirus_domain;
|
||
|
|
||
|
kernel_read_system_state($1)
|
||
|
')
|
||
|
|
||
|
#######################################
|
||
|
## <summary>
|
||
|
## Execute a domain transition to run antivirus program.
|
||
|
## </summary>
|
||
|
## <param name="domain">
|
||
|
## <summary>
|
||
|
## Domain allowed to transition.
|
||
|
## </summary>
|
||
|
## </param>
|
||
|
#
|
||
|
interface(`antivirus_domtrans',`
|
||
|
gen_require(`
|
||
|
type antivirus_t, antivirus_exec_t;
|
||
|
')
|
||
|
|
||
|
domtrans_pattern($1, antivirus_exec_t, antivirus_t)
|
||
|
')
|
||
|
|
||
|
#######################################
|
||
|
## <summary>
|
||
|
## Execute antivirus program without a transition.
|
||
|
## </summary>
|
||
|
## <param name="domain">
|
||
|
## <summary>
|
||
|
## Domain allowed access.
|
||
|
## </summary>
|
||
|
## </param>
|
||
|
#
|
||
|
interface(`antivirus_exec',`
|
||
|
gen_require(`
|
||
|
type antivirus_exec_t;
|
||
|
')
|
||
|
|
||
|
can_exec($1, antivirus_exec_t)
|
||
|
')
|
||
|
|
||
|
#######################################
|
||
|
## <summary>
|
||
|
## Connect to run antivirus program.
|
||
|
## </summary>
|
||
|
## <param name="domain">
|
||
|
## <summary>
|
||
|
## Domain allowed access.
|
||
|
## </summary>
|
||
|
## </param>
|
||
|
#
|
||
|
interface(`antivirus_stream_connect',`
|
||
|
gen_require(`
|
||
|
type antivirus_t, antivirus_db_t, antivirus_var_run_t;
|
||
|
')
|
||
|
|
||
|
files_search_pids($1)
|
||
|
stream_connect_pattern($1, antivirus_var_run_t, antivirus_var_run_t, antivirus_t)
|
||
|
stream_connect_pattern($1, antivirus_db_t, antivirus_db_t, antivirus_t)
|
||
|
')
|
||
|
|
||
|
#######################################
|
||
|
## <summary>
|
||
|
## Allow the specified domain to append
|
||
|
## to antivirus log files.
|
||
|
## </summary>
|
||
|
## <param name="domain">
|
||
|
## <summary>
|
||
|
## Domain allowed access.
|
||
|
## </summary>
|
||
|
## </param>
|
||
|
#
|
||
|
interface(`antivirus_append_log',`
|
||
|
gen_require(`
|
||
|
type antivirus_log_t;
|
||
|
')
|
||
|
|
||
|
logging_search_logs($1)
|
||
|
allow $1 antivirus_log_t:dir list_dir_perms;
|
||
|
append_files_pattern($1, antivirus_log_t, antivirus_log_t)
|
||
|
')
|
||
|
|
||
|
#######################################
|
||
|
## <summary>
|
||
|
## Read antivirus configuration files.
|
||
|
## </summary>
|
||
|
## <param name="domain">
|
||
|
## <summary>
|
||
|
## Domain allowed access.
|
||
|
## </summary>
|
||
|
## </param>
|
||
|
#
|
||
|
interface(`antivirus_read_config',`
|
||
|
gen_require(`
|
||
|
type antivirus_conf_t;
|
||
|
')
|
||
|
|
||
|
files_search_etc($1)
|
||
|
allow $1 antivirus_conf_t:file read_file_perms;
|
||
|
')
|
||
|
|
||
|
#######################################
|
||
|
## <summary>
|
||
|
## Search antivirus db content directories.
|
||
|
## </summary>
|
||
|
## <param name="domain">
|
||
|
## <summary>
|
||
|
## Domain allowed access.
|
||
|
## </summary>
|
||
|
## </param>
|
||
|
#
|
||
|
interface(`antivirus_search_db',`
|
||
|
gen_require(`
|
||
|
type antivirus_db_t;
|
||
|
')
|
||
|
|
||
|
files_search_var_lib($1)
|
||
|
files_search_spool($1)
|
||
|
allow $1 antivirus_db_t:dir search_dir_perms;
|
||
|
')
|
||
|
|
||
|
######################################
|
||
|
## <summary>
|
||
|
## Read antivirus db content directories.
|
||
|
## </summary>
|
||
|
## <param name="domain">
|
||
|
## <summary>
|
||
|
## Domain allowed access.
|
||
|
## </summary>
|
||
|
## </param>
|
||
|
#
|
||
|
interface(`antivirus_read_db',`
|
||
|
gen_require(`
|
||
|
type antivirus_db_t;
|
||
|
')
|
||
|
|
||
|
files_search_var_lib($1)
|
||
|
files_search_spool($1)
|
||
|
read_files_pattern($1, antivirus_db_t, antivirus_db_t)
|
||
|
read_lnk_files_pattern($1, antivirus_db_t, antivirus_db_t)
|
||
|
')
|
||
|
|
||
|
#####################################
|
||
|
## <summary>
|
||
|
## Read and write antivirus db content directories.
|
||
|
## </summary>
|
||
|
## <param name="domain">
|
||
|
## <summary>
|
||
|
## Domain allowed access.
|
||
|
## </summary>
|
||
|
## </param>
|
||
|
#
|
||
|
interface(`antivirus_rw_db',`
|
||
|
gen_require(`
|
||
|
type antivirus_db_t;
|
||
|
')
|
||
|
|
||
|
files_search_var_lib($1)
|
||
|
files_search_spool($1)
|
||
|
write_files_pattern($1, antivirus_db_t, antivirus_db_t)
|
||
|
')
|
||
|
|
||
|
####################################
|
||
|
## <summary>
|
||
|
## Manage antivirus db content directories.
|
||
|
## </summary>
|
||
|
## <param name="domain">
|
||
|
## <summary>
|
||
|
## Domain allowed access.
|
||
|
## </summary>
|
||
|
## </param>
|
||
|
#
|
||
|
interface(`antivirus_manage_db',`
|
||
|
gen_require(`
|
||
|
type antivirus_db_t;
|
||
|
')
|
||
|
|
||
|
files_search_var_lib($1)
|
||
|
files_search_spool($1)
|
||
|
manage_files_pattern($1, antivirus_db_t, antivirus_db_t)
|
||
|
manage_dirs_pattern($1, antivirus_db_t, antivirus_db_t)
|
||
|
')
|
||
|
|
||
|
#######################################
|
||
|
## <summary>
|
||
|
## Manage antivirus pid content.
|
||
|
## </summary>
|
||
|
## <param name="domain">
|
||
|
## <summary>
|
||
|
## Domain allowed access.
|
||
|
## </summary>
|
||
|
## </param>
|
||
|
#
|
||
|
interface(`antivirus_manage_pid',`
|
||
|
gen_require(`
|
||
|
type antivirus_var_run_t;
|
||
|
')
|
||
|
|
||
|
manage_dirs_pattern($1, antivirus_var_run_t, antivirus_var_run_t)
|
||
|
manage_files_pattern($1, antivirus_var_run_t, antivirus_var_run_t)
|
||
|
')
|
||
|
|
||
|
######################################
|
||
|
## <summary>
|
||
|
## Read antivirus state files.
|
||
|
## </summary>
|
||
|
## <param name="domain">
|
||
|
## <summary>
|
||
|
## Domain allowed access.
|
||
|
## </summary>
|
||
|
## </param>
|
||
|
#
|
||
|
interface(`antivirus_read_state_clamd',`
|
||
|
gen_require(`
|
||
|
type antivirus_t;
|
||
|
')
|
||
|
|
||
|
kernel_search_proc($1)
|
||
|
ps_process_pattern($1, antivirus_t)
|
||
|
')
|
||
|
|
||
|
######################################
|
||
|
## <summary>
|
||
|
## Execute antivirus server in the antivirus domain.
|
||
|
## </summary>
|
||
|
## <param name="domain">
|
||
|
## <summary>
|
||
|
## Domain allowed to transition.
|
||
|
## </summary>
|
||
|
## </param>
|
||
|
#
|
||
|
interface(`antivirus_systemctl',`
|
||
|
gen_require(`
|
||
|
type antivirus_t;
|
||
|
type antivirus_unit_file_t;
|
||
|
')
|
||
|
|
||
|
systemd_exec_systemctl($1)
|
||
|
init_reload_services($1)
|
||
|
systemd_read_fifo_file_passwd_run($1)
|
||
|
allow $1 antivirus_unit_file_t:file read_file_perms;
|
||
|
allow $1 antivirus_unit_file_t:service manage_service_perms;
|
||
|
|
||
|
ps_process_pattern($1, antivirus_t)
|
||
|
')
|
||
|
|
||
|
#######################################
|
||
|
## <summary>
|
||
|
## All of the rules required to administrate
|
||
|
## an antivirus programs environment
|
||
|
## </summary>
|
||
|
## <param name="domain">
|
||
|
## <summary>
|
||
|
## Domain allowed access.
|
||
|
## </summary>
|
||
|
## </param>
|
||
|
## <param name="role">
|
||
|
## <summary>
|
||
|
## The role to be allowed to manage the clamav domain.
|
||
|
## </summary>
|
||
|
## </param>
|
||
|
## <rolecap/>
|
||
|
#
|
||
|
interface(`antivirus_admin',`
|
||
|
gen_require(`
|
||
|
attribute antivirus_domain;
|
||
|
type antivirus_t, antivirus_conf_t, antivirus_tmp_t;
|
||
|
type antivirus_log_t, antivirus_db_t, antivirus_var_run_t;
|
||
|
type antivirus_initrc_exec_t, antivirus_unit_file_t;
|
||
|
')
|
||
|
|
||
|
allow $1 antivirus_t:process signal_perms;
|
||
|
ps_process_pattern($1, antivirus_t)
|
||
|
|
||
|
tunable_policy(`deny_ptrace',`',`
|
||
|
allow $1 antivirus_t:process ptrace;
|
||
|
')
|
||
|
|
||
|
init_labeled_script_domtrans($1, antivirus_initrc_exec_t)
|
||
|
domain_system_change_exemption($1)
|
||
|
role_transition $2 antivirus_initrc_exec_t system_r;
|
||
|
allow $2 system_r;
|
||
|
|
||
|
antivirus_systemctl($1)
|
||
|
admin_pattern($1, antivirus_unit_file_t)
|
||
|
allow $1 antivirus_unit_file_t:service all_service_perms;
|
||
|
|
||
|
files_list_etc($1)
|
||
|
admin_pattern($1, antivirus_conf_t)
|
||
|
|
||
|
files_list_var_lib($1)
|
||
|
admin_pattern($1, antivirus_db_t)
|
||
|
|
||
|
logging_list_logs($1)
|
||
|
admin_pattern($1, antivirus_log_t)
|
||
|
|
||
|
files_list_pids($1)
|
||
|
admin_pattern($1, antivirus_var_run_t)
|
||
|
|
||
|
files_list_tmp($1)
|
||
|
admin_pattern($1, antivirus_tmp_t)
|
||
|
|
||
|
optional_policy(`
|
||
|
systemd_passwd_agent_exec($1)
|
||
|
systemd_read_fifo_file_passwd_run($1)
|
||
|
')
|
||
|
')
|