## <summary>Postfix email server</summary>
########################################
## <summary>
## Postfix stub interface. No access allowed.
## </summary>
## <param name="domain" optional="true">
## <summary>
## N/A
## </summary>
## </param>
#
interface(`postfix_stub',`
gen_require(`
type postfix_master_t;
')
')
########################################
## <summary>
## Creates types and rules for a basic
## postfix process domain.
## </summary>
## <param name="prefix">
## <summary>
## Prefix for the domain.
## </summary>
## </param>
#
template(`postfix_domain_template',`
type postfix_$1_t;
type postfix_$1_exec_t;
domain_type(postfix_$1_t)
domain_entry_file(postfix_$1_t,postfix_$1_exec_t)
role system_r types postfix_$1_t;
dontaudit postfix_$1_t self:capability sys_tty_config;
allow postfix_$1_t self:process { signal_perms setpgid };
allow postfix_$1_t self:unix_dgram_socket create_socket_perms;
allow postfix_$1_t self:unix_stream_socket create_stream_socket_perms;
allow postfix_$1_t self:unix_stream_socket connectto;
allow postfix_master_t postfix_$1_t:process signal;
allow postfix_$1_t postfix_etc_t:dir list_dir_perms;
read_files_pattern(postfix_$1_t,postfix_etc_t,postfix_etc_t)
can_exec(postfix_$1_t, postfix_$1_exec_t)
allow postfix_$1_t postfix_exec_t:file rx_file_perms;
allow postfix_$1_t postfix_master_t:process sigchld;
allow postfix_$1_t postfix_spool_t:dir list_dir_perms;
allow postfix_$1_t postfix_var_run_t:file manage_file_perms;
files_pid_filetrans(postfix_$1_t,postfix_var_run_t,file)
kernel_read_system_state(postfix_$1_t)
kernel_read_network_state(postfix_$1_t)
kernel_read_all_sysctls(postfix_$1_t)
dev_read_sysfs(postfix_$1_t)
dev_read_rand(postfix_$1_t)
dev_read_urand(postfix_$1_t)
fs_search_auto_mountpoints(postfix_$1_t)
fs_getattr_xattr_fs(postfix_$1_t)
term_dontaudit_use_console(postfix_$1_t)
corecmd_list_bin(postfix_$1_t)
corecmd_list_sbin(postfix_$1_t)
corecmd_read_bin_symlinks(postfix_$1_t)
corecmd_read_sbin_symlinks(postfix_$1_t)
corecmd_exec_shell(postfix_$1_t)
files_read_etc_files(postfix_$1_t)
files_read_etc_runtime_files(postfix_$1_t)
files_read_usr_symlinks(postfix_$1_t)
files_search_spool(postfix_$1_t)
files_getattr_tmp_dirs(postfix_$1_t)
init_use_fds(postfix_$1_t)
init_sigchld(postfix_$1_t)
libs_use_ld_so(postfix_$1_t)
libs_use_shared_libs(postfix_$1_t)
logging_send_syslog_msg(postfix_$1_t)
miscfiles_read_localization(postfix_$1_t)
miscfiles_read_certs(postfix_$1_t)
userdom_dontaudit_use_unpriv_user_fds(postfix_$1_t)
ifdef(`targeted_policy', `
term_dontaudit_use_unallocated_ttys(postfix_$1_t)
term_dontaudit_use_generic_ptys(postfix_$1_t)
files_dontaudit_read_root_files(postfix_$1_t)
')
optional_policy(`
nscd_socket_use(postfix_$1_t)
')
optional_policy(`
udev_read_db(postfix_$1_t)
')
')
########################################
## <summary>
## Creates a postfix server process domain.
## </summary>
## <param name="prefix">
## <summary>
## Prefix of the domain.
## </summary>
## </param>
#
template(`postfix_server_domain_template',`
postfix_domain_template($1)
allow postfix_$1_t self:capability { setuid setgid dac_override };
allow postfix_$1_t postfix_master_t:unix_stream_socket { connectto rw_stream_socket_perms };
allow postfix_$1_t self:tcp_socket create_socket_perms;
allow postfix_$1_t self:udp_socket create_socket_perms;
domtrans_pattern(postfix_master_t, postfix_$1_exec_t, postfix_$1_t)
corenet_non_ipsec_sendrecv(postfix_$1_t)
corenet_tcp_sendrecv_all_if(postfix_$1_t)
corenet_udp_sendrecv_all_if(postfix_$1_t)
corenet_tcp_sendrecv_all_nodes(postfix_$1_t)
corenet_udp_sendrecv_all_nodes(postfix_$1_t)
corenet_tcp_sendrecv_all_ports(postfix_$1_t)
corenet_udp_sendrecv_all_ports(postfix_$1_t)
corenet_tcp_bind_all_nodes(postfix_$1_t)
corenet_udp_bind_all_nodes(postfix_$1_t)
corenet_tcp_connect_all_ports(postfix_$1_t)
corenet_sendrecv_all_client_packets(postfix_$1_t)
sysnet_read_config(postfix_$1_t)
optional_policy(`
nis_use_ypbind(postfix_$1_t)
')
')
########################################
## <summary>
## Creates a process domain for programs
## that are ran by users.
## </summary>
## <param name="prefix">
## <summary>
## Prefix of the domain.
## </summary>
## </param>
#
template(`postfix_user_domain_template',`
gen_require(`
attribute postfix_user_domains, postfix_user_domtrans;
')
postfix_domain_template($1)
typeattribute postfix_$1_t postfix_user_domains;
allow postfix_$1_t self:capability dac_override;
domtrans_pattern(postfix_user_domtrans, postfix_$1_exec_t, postfix_$1_t)
domain_use_interactive_fds(postfix_$1_t)
')
########################################
## <summary>
## The per role template for the postfix module.
## </summary>
## <param name="prefix">
## <summary>
## The prefix of the user domain.
## (e.g., user is the prefix of user_t)
## </summary>
## </param>
## <param name="user_domain">
## <summary>
## User domain type.
## </summary>
## </param>
#
template(`postfix_per_role_template',`
gen_require(`
attribute postfix_user_domains;
type postfix_postdrop_t;
')
role $3 types postfix_postdrop_t;
allow postfix_user_domains $2:process sigchld;
allow postfix_user_domains $2:fifo_file { write getattr };
allow postfix_user_domains $2:fd use;
')
########################################
## <summary>
## Read postfix configuration files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <rolecap/>
#
interface(`postfix_read_config',`
gen_require(`
type postfix_etc_t;
')
allow $1 postfix_etc_t:dir { getattr read search };
allow $1 postfix_etc_t:file { read getattr };
allow $1 postfix_etc_t:lnk_file { getattr read };
files_search_etc($1)
')
########################################
## <summary>
## Create files with the specified type in
## the postfix configuration directories.
## </summary>
## <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>
#
interface(`postfix_config_filetrans',`
gen_require(`
type postfix_etc_t;
')
files_search_etc($1)
filetrans_pattern($1,postfix_etc_t,$2,$3)
')
########################################
## <summary>
## Do not audit attempts to read and
## write postfix local delivery
## TCP sockets.
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit.
## </summary>
## </param>
#
interface(`postfix_dontaudit_rw_local_tcp_sockets',`
gen_require(`
type postfix_local_t;
')
dontaudit $1 postfix_local_t:tcp_socket { read write };
')
########################################
## <summary>
## Do not audit attempts to use
## postfix master process file
## file descriptors.
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit.
## </summary>
## </param>
#
interface(`postfix_dontaudit_use_fds',`
gen_require(`
type postfix_master_t;
')
dontaudit $1 postfix_master_t:fd use;
')
########################################
## <summary>
## Execute postfix_map in the postfix_map domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`postfix_domtrans_map',`
gen_require(`
type postfix_map_t, postfix_map_exec_t;
')
domtrans_pattern($1,postfix_map_exec_t,postfix_map_t)
')
########################################
## <summary>
## Execute postfix_map in the postfix_map domain, and
## allow the specified role the postfix_map domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <param name="role">
## <summary>
## The role to be allowed the postfix_map domain.
## </summary>
## </param>
## <param name="terminal">
## <summary>
## The type of the terminal allow the postfix_map domain to use.
## </summary>
## </param>
## <rolecap/>
#
interface(`postfix_run_map',`
gen_require(`
type postfix_map_t;
')
postfix_domtrans_map($1)
role $2 types postfix_map_t;
allow postfix_map_t $3:chr_file rw_term_perms;
')
########################################
## <summary>
## Execute the master postfix program in the
## postfix_master domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`postfix_domtrans_master',`
gen_require(`
type postfix_master_t, postfix_master_exec_t;
')
domtrans_pattern($1,postfix_master_exec_t,postfix_master_t)
')
########################################
## <summary>
## Execute the master postfix program in the
## caller domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`postfix_exec_master',`
gen_require(`
type postfix_master_exec_t;
')
can_exec($1,postfix_master_exec_t)
')
########################################
## <summary>
## Execute the master postfix program in the
## postfix_master domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`postfix_domtrans_smtp',`
gen_require(`
type postfix_smtp_t, postfix_smtp_exec_t;
')
domtrans_pattern($1,postfix_smtp_exec_t,postfix_smtp_t)
')
########################################
## <summary>
## Search postfix mail spool directories.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`postfix_search_spool',`
gen_require(`
type postfix_spool_t;
')
allow $1 postfix_spool_t:dir search_dir_perms;
files_search_spool($1)
')
########################################
## <summary>
## List postfix mail spool directories.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`postfix_list_spool',`
gen_require(`
type postfix_spool_t;
')
allow $1 postfix_spool_t:dir list_dir_perms;
files_search_spool($1)
')
########################################
## <summary>
## Execute postfix user mail programs
## in their respective domains.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`postfix_domtrans_user_mail_handler',`
gen_require(`
attribute postfix_user_domtrans;
')
typeattribute $1 postfix_user_domtrans;
')