## <summary>Policy for the kernel message logger and system logging daemon.</summary>
########################################
## <summary>
## Make the specified type usable for log files
## in a filesystem.
## </summary>
## <desc>
## <p>
## Make the specified type usable for log files in a filesystem.
## This will also make the type usable for files, making
## calls to files_type() redundant. Failure to use this interface
## for a log file type may result in problems with log
## rotation, log analysis, and log monitoring programs.
## </p>
## <p>
## Related interfaces:
## </p>
## <ul>
## <li>logging_log_filetrans()</li>
## </ul>
## <p>
## Example usage with a domain that can create
## and append to a private log file stored in the
## general directories (e.g., /var/log):
## </p>
## <p>
## type mylogfile_t;
## logging_log_file(mylogfile_t)
## allow mydomain_t mylogfile_t:file { create_file_perms append_file_perms };
## logging_log_filetrans(mydomain_t, mylogfile_t, file)
## </p>
## </desc>
## <param name="type">
## <summary>
## Type to be used for files.
## </summary>
## </param>
## <infoflow type="none"/>
#
interface(`logging_log_file',`
gen_require(`
attribute logfile;
')
files_type($1)
files_associate_tmp($1)
fs_associate_tmpfs($1)
typeattribute $1 logfile;
')
#######################################
## <summary>
## Send audit messages.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`logging_send_audit_msgs',`
allow $1 self:capability audit_write;
allow $1 self:netlink_audit_socket { r_netlink_socket_perms nlmsg_relay };
')
#######################################
## <summary>
## dontaudit attempts to send audit messages.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`logging_dontaudit_send_audit_msgs',`
dontaudit $1 self:capability audit_write;
dontaudit $1 self:netlink_audit_socket { r_netlink_socket_perms nlmsg_relay };
')
########################################
## <summary>
## Set login uid
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`logging_set_loginuid',`
allow $1 self:capability audit_control;
allow $1 self:netlink_audit_socket { r_netlink_socket_perms nlmsg_relay };
')
########################################
## <summary>
## Set up audit
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`logging_set_audit_parameters',`
allow $1 self:capability { audit_write audit_control };
allow $1 self:netlink_audit_socket { create_netlink_socket_perms nlmsg_relay };
')
########################################
## <summary>
## Read the audit log.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <rolecap/>
#
interface(`logging_read_audit_log',`
gen_require(`
type auditd_log_t;
')
files_search_var($1)
read_files_pattern($1, auditd_log_t, auditd_log_t)
allow $1 auditd_log_t:dir list_dir_perms;
')
########################################
## <summary>
## Execute auditctl in the auditctl domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`logging_domtrans_auditctl',`
gen_require(`
type auditctl_t, auditctl_exec_t;
')
domtrans_pattern($1, auditctl_exec_t, auditctl_t)
')
########################################
## <summary>
## Execute auditctl in the auditctl domain, and
## allow the specified role the auditctl domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <param name="role">
## <summary>
## The role to be allowed the auditctl domain.
## </summary>
## </param>
## <rolecap/>
#
interface(`logging_run_auditctl',`
gen_require(`
type auditctl_t;
')
logging_domtrans_auditctl($1)
role $2 types auditctl_t;
')
########################################
## <summary>
## Execute auditd in the auditd domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`logging_domtrans_auditd',`
gen_require(`
type auditd_t, auditd_exec_t;
')
domtrans_pattern($1, auditd_exec_t, auditd_t)
')
########################################
## <summary>
## Execute auditd in the auditd domain, and
## allow the specified role the auditd domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <param name="role">
## <summary>
## The role to be allowed the auditd domain.
## </summary>
## </param>
#
interface(`logging_run_auditd',`
gen_require(`
type auditd_t;
')
logging_domtrans_auditd($1)
role $2 types auditd_t;
')
########################################
## <summary>
## Connect to auditdstored over an unix stream socket.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`logging_stream_connect_auditd',`
refpolicywarn(`$0($*) has been deprecated, logging_stream_connect_dispatcher() should be used instead.')
logging_stream_connect_dispatcher($1)
')
########################################
## <summary>
## Execute a domain transition to run the audit dispatcher.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed to transition.
## </summary>
## </param>
#
interface(`logging_domtrans_dispatcher',`
gen_require(`
type audisp_t, audisp_exec_t;
')
domtrans_pattern($1, audisp_exec_t, audisp_t)
')
########################################
## <summary>
## Signal the audit dispatcher.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed to transition.
## </summary>
## </param>
#
interface(`logging_signal_dispatcher',`
gen_require(`
type audisp_t;
')
allow $1 audisp_t:process signal;
')
########################################
## <summary>
## Create a domain for processes
## which can be started by the system audit dispatcher
## </summary>
## <param name="domain">
## <summary>
## Type to be used as a domain.
## </summary>
## </param>
## <param name="entry_point">
## <summary>
## Type of the program to be used as an entry point to this domain.
## </summary>
## </param>
#
interface(`logging_dispatcher_domain',`
gen_require(`
type audisp_t;
role system_r;
')
domain_type($1)
domain_entry_file($1, $2)
role system_r types $1;
domtrans_pattern(audisp_t, $2, $1)
allow audisp_t $1:process { sigkill sigstop signull signal };
allow audisp_t $2:file getattr;
allow $1 audisp_t:unix_stream_socket rw_socket_perms;
')
########################################
## <summary>
## Connect to the audit dispatcher over an unix stream socket.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`logging_stream_connect_dispatcher',`
gen_require(`
type audisp_t, audisp_var_run_t;
')
files_search_pids($1)
stream_connect_pattern($1, audisp_var_run_t, audisp_var_run_t, audisp_t)
')
########################################
## <summary>
## Manage the auditd configuration files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <rolecap/>
#
interface(`logging_manage_audit_config',`
gen_require(`
type auditd_etc_t;
')
files_search_etc($1)
manage_files_pattern($1, auditd_etc_t, auditd_etc_t)
')
########################################
## <summary>
## Manage the audit log.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <rolecap/>
#
interface(`logging_manage_audit_log',`
gen_require(`
type auditd_log_t;
')
files_search_var($1)
manage_dirs_pattern($1, auditd_log_t, auditd_log_t)
manage_files_pattern($1, auditd_log_t, auditd_log_t)
')
########################################
## <summary>
## Execute klogd in the klog domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`logging_domtrans_klog',`
gen_require(`
type klogd_t, klogd_exec_t;
')
corecmd_search_bin($1)
domtrans_pattern($1, klogd_exec_t, klogd_t)
')
########################################
## <summary>
## Check if syslogd is executable.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`logging_check_exec_syslog',`
gen_require(`
type syslogd_exec_t;
')
corecmd_list_bin($1)
corecmd_read_bin_symlinks($1)
allow $1 syslogd_exec_t:file execute;
')
########################################
## <summary>
## Execute syslogd in the syslog domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`logging_domtrans_syslog',`
gen_require(`
type syslogd_t, syslogd_exec_t;
')
corecmd_search_bin($1)
domtrans_pattern($1, syslogd_exec_t, syslogd_t)
')
########################################
## <summary>
## Create an object in the log directory, with a private type.
## </summary>
## <desc>
## <p>
## Allow the specified domain to create an object
## in the general system log directories (e.g., /var/log)
## with a private type. Typically this is used for creating
## private log files in /var/log with the private type instead
## of the general system log type. To accomplish this goal,
## either the program must be SELinux-aware, or use this interface.
## </p>
## <p>
## Related interfaces:
## </p>
## <ul>
## <li>logging_log_file()</li>
## </ul>
## <p>
## Example usage with a domain that can create
## and append to a private log file stored in the
## general directories (e.g., /var/log):
## </p>
## <p>
## type mylogfile_t;
## logging_log_file(mylogfile_t)
## allow mydomain_t mylogfile_t:file { create_file_perms append_file_perms };
## logging_log_filetrans(mydomain_t, mylogfile_t, file)
## </p>
## </desc>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <param name="private type">
## <summary>
## The type of the object to be created.
## </summary>
## </param>
## <param name="object">
## <summary>
## The object class of the object being created.
## </summary>
## </param>
## <infoflow type="write" weight="10"/>
#
interface(`logging_log_filetrans',`
gen_require(`
type var_log_t;
')
files_search_var($1)
filetrans_pattern($1, var_log_t, $2, $3)
')
########################################
## <summary>
## Send system log messages.
## </summary>
## <desc>
## <p>
## Allow the specified domain to connect to the
## system log service (syslog), to send messages be added to
## the system logs. Typically this is used by services
## that do not have their own log file in /var/log.
## </p>
## <p>
## This does not allow messages to be sent to
## the auditing system.
## </p>
## <p>
## Programs which use the libc function syslog() will
## require this access.
## </p>
## <p>
## Related interfaces:
## </p>
## <ul>
## <li>logging_send_audit_msgs()</li>
## </ul>
## </desc>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`logging_send_syslog_msg',`
gen_require(`
type syslogd_t, devlog_t;
')
allow $1 devlog_t:lnk_file read_lnk_file_perms;
allow $1 devlog_t:sock_file write_sock_file_perms;
# the type of socket depends on the syslog daemon
allow $1 syslogd_t:unix_dgram_socket sendto;
allow $1 syslogd_t:unix_stream_socket connectto;
allow $1 self:unix_dgram_socket create_socket_perms;
allow $1 self:unix_stream_socket create_socket_perms;
# If syslog is down, the glibc syslog() function
# will write to the console.
term_write_console($1)
term_dontaudit_read_console($1)
')
########################################
## <summary>
## Read the auditd configuration files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <rolecap/>
#
interface(`logging_read_audit_config',`
gen_require(`
type auditd_etc_t;
')
files_search_etc($1)
read_files_pattern($1, auditd_etc_t, auditd_etc_t)
allow $1 auditd_etc_t:dir list_dir_perms;
')
########################################
## <summary>
## dontaudit search of auditd configuration files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <rolecap/>
#
interface(`logging_dontaudit_search_audit_config',`
gen_require(`
type auditd_etc_t;
')
dontaudit $1 auditd_etc_t:dir search_dir_perms;
')
########################################
## <summary>
## Read syslog configuration files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <rolecap/>
#
interface(`logging_read_syslog_config',`
gen_require(`
type syslog_conf_t;
')
allow $1 syslog_conf_t:file read_file_perms;
')
########################################
## <summary>
## Allows the domain to open a file in the
## log directory, but does not allow the listing
## of the contents of the log directory.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`logging_search_logs',`
gen_require(`
type var_log_t;
')
files_search_var($1)
allow $1 var_log_t:dir search_dir_perms;
')
#######################################
## <summary>
## Do not audit attempts to search the var log directory.
## </summary>
## <param name="domain">
## <summary>
## Domain not to audit.
## </summary>
## </param>
#
interface(`logging_dontaudit_search_logs',`
gen_require(`
type var_log_t;
')
dontaudit $1 var_log_t:dir search_dir_perms;
')
#######################################
## <summary>
## List the contents of the generic log directory (/var/log).
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`logging_list_logs',`
gen_require(`
type var_log_t;
')
files_search_var($1)
allow $1 var_log_t:dir list_dir_perms;
')
#######################################
## <summary>
## Read and write the generic log directory (/var/log).
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`logging_rw_generic_log_dirs',`
gen_require(`
type var_log_t;
')
files_search_var($1)
allow $1 var_log_t:dir rw_dir_perms;
')
########################################
## <summary>
## Do not audit attempts to get the atttributes
## of any log files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`logging_dontaudit_getattr_all_logs',`
gen_require(`
attribute logfile;
')
dontaudit $1 logfile:file getattr;
')
########################################
## <summary>
## Append to all log files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`logging_append_all_logs',`
gen_require(`
attribute logfile;
type var_log_t;
')
files_search_var($1)
append_files_pattern($1, var_log_t, logfile)
')
########################################
## <summary>
## Read all log files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <rolecap/>
#
interface(`logging_read_all_logs',`
gen_require(`
attribute logfile;
')
files_search_var($1)
allow $1 logfile:dir list_dir_perms;
read_files_pattern($1, logfile, logfile)
')
########################################
## <summary>
## Execute all log files in the caller domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
# cjp: not sure why this is needed. This was added
# because of logrotate.
interface(`logging_exec_all_logs',`
gen_require(`
attribute logfile;
')
files_search_var($1)
allow $1 logfile:dir list_dir_perms;
can_exec($1, logfile)
')
########################################
## <summary>
## read/write to all log files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`logging_rw_all_logs',`
gen_require(`
attribute logfile;
')
files_search_var($1)
rw_files_pattern($1, logfile, logfile)
')
########################################
## <summary>
## Create, read, write, and delete all log files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <rolecap/>
#
interface(`logging_manage_all_logs',`
gen_require(`
attribute logfile;
')
files_search_var($1)
manage_files_pattern($1, logfile, logfile)
read_lnk_files_pattern($1, logfile, logfile)
')
########################################
## <summary>
## Read generic log files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <rolecap/>
#
interface(`logging_read_generic_logs',`
gen_require(`
type var_log_t;
')
files_search_var($1)
allow $1 var_log_t:dir list_dir_perms;
read_files_pattern($1, var_log_t, var_log_t)
')
########################################
## <summary>
## Write generic log files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`logging_write_generic_logs',`
gen_require(`
type var_log_t;
')
files_search_var($1)
allow $1 var_log_t:dir list_dir_perms;
write_files_pattern($1, var_log_t, var_log_t)
')
########################################
## <summary>
## Dontaudit Write generic log files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`logging_dontaudit_write_generic_logs',`
gen_require(`
type var_log_t;
')
dontaudit $1 var_log_t:file write;
')
########################################
## <summary>
## Read and write generic log files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`logging_rw_generic_logs',`
gen_require(`
type var_log_t;
')
files_search_var($1)
allow $1 var_log_t:dir list_dir_perms;
rw_files_pattern($1, var_log_t, var_log_t)
')
########################################
## <summary>
## Create, read, write, and delete
## generic log files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <rolecap/>
#
interface(`logging_manage_generic_logs',`
gen_require(`
type var_log_t;
')
files_search_var($1)
manage_files_pattern($1, var_log_t, var_log_t)
')
########################################
## <summary>
## All of the rules required to administrate
## the audit environment
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <param name="role">
## <summary>
## User role allowed access.
## </summary>
## </param>
## <rolecap/>
#
interface(`logging_admin_audit',`
gen_require(`
type auditd_t, auditd_etc_t, auditd_log_t;
type auditd_var_run_t;
type auditd_initrc_exec_t;
')
allow $1 auditd_t:process { ptrace signal_perms };
ps_process_pattern($1, auditd_t)
manage_dirs_pattern($1, auditd_etc_t, auditd_etc_t)
manage_files_pattern($1, auditd_etc_t, auditd_etc_t)
manage_dirs_pattern($1, auditd_log_t, auditd_log_t)
manage_files_pattern($1, auditd_log_t, auditd_log_t)
manage_dirs_pattern($1, auditd_var_run_t, auditd_var_run_t)
manage_files_pattern($1, auditd_var_run_t, auditd_var_run_t)
logging_run_auditctl($1, $2)
init_labeled_script_domtrans($1, auditd_initrc_exec_t)
domain_system_change_exemption($1)
role_transition $2 auditd_initrc_exec_t system_r;
allow $2 system_r;
')
########################################
## <summary>
## All of the rules required to administrate
## the syslog environment
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <param name="role">
## <summary>
## User role allowed access.
## </summary>
## </param>
## <rolecap/>
#
interface(`logging_admin_syslog',`
gen_require(`
type syslogd_t, klogd_t, syslog_conf_t;
type syslogd_tmp_t, syslogd_var_lib_t;
type syslogd_var_run_t, klogd_var_run_t;
type klogd_tmp_t, var_log_t;
type syslogd_initrc_exec_t;
')
allow $1 syslogd_t:process { ptrace signal_perms };
allow $1 klogd_t:process { ptrace signal_perms };
ps_process_pattern($1, syslogd_t)
ps_process_pattern($1, klogd_t)
manage_dirs_pattern($1, klogd_var_run_t, klogd_var_run_t)
manage_files_pattern($1, klogd_var_run_t, klogd_var_run_t)
manage_dirs_pattern($1, klogd_tmp_t, klogd_tmp_t)
manage_files_pattern($1, klogd_tmp_t, klogd_tmp_t)
manage_dirs_pattern($1, syslogd_tmp_t, syslogd_tmp_t)
manage_files_pattern($1, syslogd_tmp_t, syslogd_tmp_t)
manage_dirs_pattern($1, syslog_conf_t, syslog_conf_t)
manage_files_pattern($1, syslog_conf_t, syslog_conf_t)
files_etc_filetrans($1, syslog_conf_t, file)
manage_dirs_pattern($1, syslogd_var_lib_t, syslogd_var_lib_t)
manage_files_pattern($1, syslogd_var_lib_t, syslogd_var_lib_t)
manage_dirs_pattern($1, syslogd_var_run_t, syslogd_var_run_t)
manage_files_pattern($1, syslogd_var_run_t, syslogd_var_run_t)
logging_manage_all_logs($1)
init_labeled_script_domtrans($1, syslogd_initrc_exec_t)
domain_system_change_exemption($1)
role_transition $2 syslogd_initrc_exec_t system_r;
allow $2 system_r;
')
########################################
## <summary>
## All of the rules required to administrate
## the logging environment
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <param name="role">
## <summary>
## User role allowed access.
## </summary>
## </param>
## <rolecap/>
#
interface(`logging_admin',`
logging_admin_audit($1, $2)
logging_admin_syslog($1, $2)
')