#DESC Sxid - SUID/SGID program monitoring

#

# Author:  Russell Coker <russell@coker.com.au>

# X-Debian-Packages: sxid

#

#################################

#

# Rules for the sxid_t domain.

#

# sxid_exec_t is the type of the sxid executable.

#

daemon_base_domain(sxid, `, privmail')

tmp_domain(sxid)

allow sxid_t fs_t:filesystem getattr;

ifdef(`crond.te', `

system_crond_entry(sxid_exec_t, sxid_t)

')

#allow system_crond_t sxid_log_t:file create_file_perms;

read_locale(sxid_t)

can_exec(sxid_t, { shell_exec_t bin_t sbin_t mount_exec_t })

allow sxid_t bin_t:lnk_file read;

log_domain(sxid)

allow sxid_t file_type:notdevfile_class_set getattr;

allow sxid_t { device_t device_type }:{ chr_file blk_file } getattr;

allow sxid_t ttyfile:chr_file getattr;

allow sxid_t file_type:dir { getattr read search };

allow sxid_t sysadmfile:file { getattr read };

dontaudit sxid_t devpts_t:dir r_dir_perms;

allow sxid_t fs_type:dir { getattr read search };

# Use the network.

can_network_server(sxid_t)

allow sxid_t self:fifo_file rw_file_perms;

allow sxid_t self:unix_stream_socket create_socket_perms;

allow sxid_t { proc_t self }:{ file lnk_file } { read getattr };

read_sysctl(sxid_t)

allow sxid_t devtty_t:chr_file rw_file_perms;

allow sxid_t self:capability { dac_override dac_read_search fsetid };

dontaudit sxid_t self:capability { setuid setgid };

ifdef(`mta.te', `

# sxid leaves an open file handle to /proc/mounts

dontaudit { system_mail_t mta_user_agent } sxid_t:file { read getattr };

# allow mta to read the log files

allow { system_mail_t mta_user_agent } { sxid_tmp_t sxid_log_t }:file { getattr read };

# stop warnings if mailx is passed a read/write file handle

dontaudit { system_mail_t mta_user_agent } { sxid_tmp_t sxid_log_t }:file write;

')

allow logrotate_t sxid_t:file { getattr write };

dontaudit sxid_t security_t:dir { getattr read search };