675 lines
15 KiB
Plaintext
675 lines
15 KiB
Plaintext
## <summary>Core policy for domains.</summary>
|
|
## <required val="true">
|
|
## Contains the concept of a domain.
|
|
## </required>
|
|
|
|
########################################
|
|
#
|
|
# domain_base_domain_type(domain)
|
|
#
|
|
interface(`domain_base_domain_type',`
|
|
gen_require(`
|
|
attribute domain;
|
|
class dir r_dir_perms;
|
|
class lnk_file r_file_perms;
|
|
class file rw_file_perms;
|
|
class process { fork sigchld };
|
|
')
|
|
|
|
# mark as a domain
|
|
typeattribute $1 domain;
|
|
|
|
# allow the domain to read its /proc/pid entries
|
|
allow $1 self:dir r_dir_perms;
|
|
allow $1 self:lnk_file r_file_perms;
|
|
allow $1 self:file rw_file_perms;
|
|
|
|
# allow $1 to create child processes in this domain
|
|
allow $1 self:process { fork sigchld };
|
|
|
|
# Files with domain types are currently only proc files
|
|
# self is excepted since domains and files can have
|
|
# the same type in SEFramework
|
|
# cjp: perhaps this should be a conditional exception,
|
|
# so it is excepted only on SEFramework policies
|
|
neverallow $1 { domain -$1 }:dir ~r_dir_perms;
|
|
neverallow $1 { domain -$1 }:file_class_set ~rw_file_perms;
|
|
')
|
|
|
|
########################################
|
|
#
|
|
# domain_type(domain)
|
|
#
|
|
interface(`domain_type',`
|
|
# start with basic domain
|
|
domain_base_domain_type($1)
|
|
|
|
# Use trusted objects in /dev
|
|
dev_rw_null_dev($1)
|
|
dev_rw_zero_dev($1)
|
|
term_use_controlling_term($1)
|
|
|
|
# read the root directory
|
|
files_list_root($1)
|
|
|
|
# send init a sigchld
|
|
init_sigchld($1)
|
|
|
|
ifdef(`targeted_policy',`
|
|
unconfined_use_fd($1)
|
|
unconfined_sigchld($1)
|
|
')
|
|
|
|
# this seems highly questionable:
|
|
optional_policy(`rpm.te',`
|
|
rpm_use_fd($1)
|
|
rpm_read_pipe($1)
|
|
')
|
|
')
|
|
|
|
########################################
|
|
#
|
|
# domain_entry_file(domain,entrypointfile)
|
|
#
|
|
interface(`domain_entry_file',`
|
|
gen_require(`
|
|
attribute entry_type;
|
|
class file entrypoint;
|
|
')
|
|
|
|
files_type($2)
|
|
allow $1 $2:file entrypoint;
|
|
typeattribute $2 entry_type;
|
|
')
|
|
|
|
########################################
|
|
#
|
|
# domain_wide_inherit_fd(domain)
|
|
#
|
|
interface(`domain_wide_inherit_fd',`
|
|
gen_require(`
|
|
attribute privfd;
|
|
')
|
|
|
|
typeattribute $1 privfd;
|
|
')
|
|
|
|
########################################
|
|
#
|
|
# domain_dyntrans_type(domain)
|
|
#
|
|
interface(`domain_dyntrans_type',`
|
|
gen_require(`
|
|
attribute set_curr_context;
|
|
')
|
|
|
|
typeattribute $1 set_curr_context;
|
|
')
|
|
|
|
########################################
|
|
## <desc>
|
|
## Makes caller an exception to the constraint preventing
|
|
## changing of user identity.
|
|
## </desc>
|
|
## <param name="domain">
|
|
## The process type to make an exception to the constraint.
|
|
## </param>
|
|
#
|
|
interface(`domain_subj_id_change_exempt',`
|
|
gen_require(`
|
|
attribute can_change_process_identity;
|
|
')
|
|
|
|
typeattribute $1 can_change_process_identity;
|
|
')
|
|
|
|
########################################
|
|
## <desc>
|
|
## Makes caller an exception to the constraint preventing
|
|
## changing of role.
|
|
## </desc>
|
|
## <param name="domain">
|
|
## The process type to make an exception to the constraint.
|
|
## </param>
|
|
#
|
|
interface(`domain_role_change_exempt',`
|
|
gen_require(`
|
|
attribute can_change_process_role;
|
|
')
|
|
|
|
typeattribute $1 can_change_process_role;
|
|
')
|
|
|
|
########################################
|
|
## <desc>
|
|
## Makes caller an exception to the constraint preventing
|
|
## changing the user identity in object contexts.
|
|
## </desc>
|
|
## <param name="domain">
|
|
## The process type to make an exception to the constraint.
|
|
## </param>
|
|
#
|
|
interface(`domain_obj_id_change_exempt',`
|
|
gen_require(`
|
|
attribute can_change_object_identity;
|
|
')
|
|
|
|
typeattribute $1 can_change_object_identity;
|
|
')
|
|
|
|
########################################
|
|
#
|
|
# domain_use_wide_inherit_fd(domain)
|
|
#
|
|
interface(`domain_use_wide_inherit_fd',`
|
|
gen_require(`
|
|
attribute privfd;
|
|
class fd use;
|
|
')
|
|
|
|
allow $1 privfd:fd use;
|
|
')
|
|
|
|
########################################
|
|
#
|
|
# domain_dontaudit_use_wide_inherit_fd(domain)
|
|
#
|
|
interface(`domain_dontaudit_use_wide_inherit_fd',`
|
|
gen_require(`
|
|
attribute privfd;
|
|
class fd use;
|
|
')
|
|
|
|
dontaudit $1 privfd:fd use;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Send a SIGCHLD signal to domains whose file
|
|
## discriptors are widely inheritable.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## Domain allowed access.
|
|
## </param>
|
|
#
|
|
# cjp: this was added because of newrole
|
|
interface(`domain_sigchld_wide_inherit_fd',`
|
|
gen_require(`
|
|
attribute privfd;
|
|
class process signal;
|
|
')
|
|
|
|
dontaudit $1 privfd:fd use;
|
|
')
|
|
|
|
########################################
|
|
#
|
|
# domain_setpriority_all_domains(domain)
|
|
#
|
|
interface(`domain_setpriority_all_domains',`
|
|
gen_require(`
|
|
attribute domain;
|
|
class process setsched;
|
|
')
|
|
|
|
allow $1 domain:process setsched;
|
|
')
|
|
|
|
########################################
|
|
## <desc>
|
|
## Send general signals to all domains.
|
|
## </desc>
|
|
## <param name="domain">
|
|
## The type of the process performing this action.
|
|
## </param>
|
|
#
|
|
interface(`domain_signal_all_domains',`
|
|
gen_require(`
|
|
attribute domain;
|
|
class process signal;
|
|
')
|
|
|
|
allow $1 domain:process signal;
|
|
')
|
|
|
|
########################################
|
|
## <desc>
|
|
## Send a null signal to all domains.
|
|
## </desc>
|
|
## <param name="domain">
|
|
## The type of the process performing this action.
|
|
## </param>
|
|
#
|
|
interface(`domain_signull_all_domains',`
|
|
gen_require(`
|
|
attribute domain;
|
|
class process signull;
|
|
')
|
|
|
|
allow $1 domain:process signull;
|
|
')
|
|
|
|
########################################
|
|
## <desc>
|
|
## Send a stop signal to all domains.
|
|
## </desc>
|
|
## <param name="domain">
|
|
## The type of the process performing this action.
|
|
## </param>
|
|
#
|
|
interface(`domain_sigstop_all_domains',`
|
|
gen_require(`
|
|
attribute domain;
|
|
class process sigstop;
|
|
')
|
|
|
|
allow $1 domain:process sigstop;
|
|
')
|
|
|
|
########################################
|
|
## <desc>
|
|
## Send a child terminated signal to all domains.
|
|
## </desc>
|
|
## <param name="domain">
|
|
## The type of the process performing this action.
|
|
## </param>
|
|
#
|
|
interface(`domain_sigchld_all_domains',`
|
|
gen_require(`
|
|
attribute domain;
|
|
class process sigchld;
|
|
')
|
|
|
|
allow $1 domain:process sigchld;
|
|
')
|
|
|
|
########################################
|
|
## <desc>
|
|
## Send a kill signal to all domains.
|
|
## </desc>
|
|
## <param name="domain">
|
|
## The type of the process performing this action.
|
|
## </param>
|
|
#
|
|
interface(`domain_kill_all_domains',`
|
|
gen_require(`
|
|
attribute domain;
|
|
class process sigkill;
|
|
class capability kill;
|
|
')
|
|
|
|
allow $1 domain:process sigkill;
|
|
allow $1 self:capability kill;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Read the process state (/proc/pid) of all domains.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## The type of the process performing this action.
|
|
## </param>
|
|
#
|
|
interface(`domain_read_all_domains_state',`
|
|
gen_require(`
|
|
attribute domain;
|
|
class dir r_dir_perms;
|
|
class lnk_file r_file_perms;
|
|
class file r_file_perms;
|
|
class process { getattr ptrace };
|
|
')
|
|
|
|
allow $1 domain:dir r_dir_perms;
|
|
allow $1 domain:lnk_file r_file_perms;
|
|
allow $1 domain:file r_file_perms;
|
|
allow $1 domain:process getattr;
|
|
|
|
# We need to suppress this denial because procps tries to access
|
|
# /proc/pid/environ and this now triggers a ptrace check in recent kernels
|
|
# (2.4 and 2.6). Might want to change procps to not do this, or only if
|
|
# running in a privileged domain.
|
|
dontaudit $1 domain:process ptrace;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Do not audit attempts to read the process
|
|
## state (/proc/pid) of all domains.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## The type of the process performing this action.
|
|
## </param>
|
|
#
|
|
interface(`domain_dontaudit_read_all_domains_state',`
|
|
gen_require(`
|
|
attribute domain;
|
|
class dir r_dir_perms;
|
|
class lnk_file r_file_perms;
|
|
class file r_file_perms;
|
|
class process { getattr ptrace };
|
|
')
|
|
|
|
dontaudit $1 domain:dir r_dir_perms;
|
|
dontaudit $1 domain:lnk_file r_file_perms;
|
|
dontaudit $1 domain:file r_file_perms;
|
|
dontaudit $1 domain:process getattr;
|
|
|
|
# We need to suppress this denial because procps tries to access
|
|
# /proc/pid/environ and this now triggers a ptrace check in recent kernels
|
|
# (2.4 and 2.6). Might want to change procps to not do this, or only if
|
|
# running in a privileged domain.
|
|
dontaudit $1 domain:process ptrace;
|
|
')
|
|
|
|
########################################
|
|
## <desc>
|
|
## Do not audit attempts to read the process state
|
|
## directories of all domains.
|
|
## </desc>
|
|
## <param name="domain">
|
|
## The type of the process performing this action.
|
|
## </param>
|
|
#
|
|
interface(`domain_dontaudit_list_all_domains_proc',`
|
|
gen_require(`
|
|
attribute domain;
|
|
class dir r_dir_perms;
|
|
')
|
|
|
|
dontaudit $1 domain:dir r_dir_perms;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Get the session ID of all domains.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## The type of the process performing this action.
|
|
## </param>
|
|
#
|
|
interface(`domain_getsession_all_domains',`
|
|
gen_require(`
|
|
attribute domain;
|
|
class process getsession;
|
|
')
|
|
|
|
allow $1 domain:process getsession;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Do not audit attempts to get the
|
|
## session ID of all domains.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## The type of the process performing this action.
|
|
## </param>
|
|
#
|
|
interface(`domain_dontaudit_getsession_all_domains',`
|
|
gen_require(`
|
|
attribute domain;
|
|
class process getsession;
|
|
')
|
|
|
|
allow $1 domain:process getsession;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Get the attributes of all domains
|
|
## sockets, for all socket types.
|
|
## </summary>
|
|
## <desc>
|
|
## <p>
|
|
## Get the attributes of all domains
|
|
## sockets, for all socket types.
|
|
## </p>
|
|
## <p>
|
|
## This is commonly used for domains
|
|
## that can use lsof on all domains.
|
|
## </p>
|
|
## </desc>
|
|
## <param name="domain">
|
|
## Domain allowed access.
|
|
## </param>
|
|
#
|
|
interface(`domain_getattr_all_sockets',`
|
|
gen_require(`
|
|
gen_require_set(getattr,socket_class_set)
|
|
')
|
|
|
|
allow $1 domain:socket_class_set getattr;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Do not audit attempts to get the attributes
|
|
## of all domains sockets, for all socket types.
|
|
## </summary>
|
|
## <desc>
|
|
## <p>
|
|
## Do not audit attempts to get the attributes
|
|
## of all domains sockets, for all socket types.
|
|
## </p>
|
|
## <p>
|
|
## This interface was added for PCMCIA cardmgr
|
|
## and is probably excessive.
|
|
## </p>
|
|
## </desc>
|
|
## <param name="domain">
|
|
## Domain to not audit.
|
|
## </param>
|
|
#
|
|
interface(`domain_dontaudit_getattr_all_sockets',`
|
|
gen_require(`
|
|
gen_require_set(getattr,socket_class_set)
|
|
')
|
|
|
|
dontaudit $1 domain:socket_class_set getattr;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Do not audit attempts to get the attributes
|
|
## of all domains TCP sockets.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## The type of the process performing this action.
|
|
## </param>
|
|
#
|
|
interface(`domain_dontaudit_getattr_all_tcp_sockets',`
|
|
gen_require(`
|
|
attribute domain;
|
|
class tcp_socket getattr;
|
|
')
|
|
|
|
dontaudit $1 domain:tcp_socket getattr;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Do not audit attempts to get the attributes
|
|
## of all domains UDP sockets.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## The type of the process performing this action.
|
|
## </param>
|
|
#
|
|
interface(`domain_dontaudit_getattr_all_udp_sockets',`
|
|
gen_require(`
|
|
attribute domain;
|
|
class udp_socket getattr;
|
|
')
|
|
|
|
dontaudit $1 domain:udp_socket getattr;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Do not audit attempts to read or write
|
|
## all domains UDP sockets.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## The type of the process performing this action.
|
|
## </param>
|
|
#
|
|
interface(`domain_dontaudit_rw_all_udp_sockets',`
|
|
gen_require(`
|
|
attribute domain;
|
|
class udp_socket { read write };
|
|
')
|
|
|
|
dontaudit $1 domain:udp_socket { read write };
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Do not audit attempts to read or write
|
|
## all domains key sockets.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## The type of the process performing this action.
|
|
## </param>
|
|
#
|
|
interface(`domain_dontaudit_rw_all_key_sockets',`
|
|
gen_require(`
|
|
attribute domain;
|
|
class key_socket { read write };
|
|
')
|
|
|
|
dontaudit $1 domain:key_socket { read write };
|
|
')
|
|
|
|
########################################
|
|
## <desc>
|
|
## Do not audit attempts to get the attributes
|
|
## of all domains unix datagram sockets.
|
|
## </desc>
|
|
## <param name="domain">
|
|
## The type of the process performing this action.
|
|
## </param>
|
|
#
|
|
interface(`domain_dontaudit_getattr_all_unix_dgram_sockets',`
|
|
gen_require(`
|
|
attribute domain;
|
|
class unix_dgram_socket getattr;
|
|
')
|
|
|
|
dontaudit $1 domain:unix_dgram_socket getattr;
|
|
')
|
|
|
|
########################################
|
|
## <desc>
|
|
## Do not audit attempts to get the attributes
|
|
## of all domains unnamed pipes.
|
|
## </desc>
|
|
## <param name="domain">
|
|
## The type of the process performing this action.
|
|
## </param>
|
|
#
|
|
interface(`domain_dontaudit_getattr_all_unnamed_pipes',`
|
|
gen_require(`
|
|
attribute domain;
|
|
class fifo_file getattr;
|
|
')
|
|
|
|
dontaudit $1 domain:fifo_file getattr;
|
|
')
|
|
|
|
########################################
|
|
#
|
|
# domain_exec_all_entry_files(domain)
|
|
#
|
|
interface(`domain_exec_all_entry_files',`
|
|
gen_require(`
|
|
attribute entry_type;
|
|
')
|
|
|
|
can_exec($1,entry_type)
|
|
')
|
|
|
|
########################################
|
|
#
|
|
# domain_read_all_entry_files(domain)
|
|
#
|
|
interface(`domain_read_all_entry_files',`
|
|
gen_require(`
|
|
attribute entry_type;
|
|
class file r_file_perms;
|
|
class lnk_file r_file_perms;
|
|
')
|
|
|
|
allow $1 entry_type:lnk_file r_file_perms;
|
|
allow $1 entry_type:file r_file_perms;
|
|
')
|
|
|
|
########################################
|
|
## <summary>
|
|
## Unconfined access to domains.
|
|
## </summary>
|
|
## <param name="domain">
|
|
## The type of the process performing this action.
|
|
## </param>
|
|
#
|
|
interface(`domain_unconfined',`
|
|
gen_require(`
|
|
attribute domain, set_curr_context;
|
|
class fd use;
|
|
class fifo_file rw_file_perms;
|
|
class process { transition dyntransition execmem };
|
|
class dir r_dir_perms;
|
|
class file r_file_perms;
|
|
class lnk_file r_file_perms;
|
|
')
|
|
|
|
# Use/sendto/connectto sockets created by any domain.
|
|
allow $1 domain:{ socket_class_set socket key_socket } *;
|
|
|
|
# Use descriptors and pipes created by any domain.
|
|
allow $1 domain:fd use;
|
|
allow $1 domain:fifo_file rw_file_perms;
|
|
|
|
# Act upon any other process.
|
|
allow $1 domain:process ~{ transition dyntransition execmem };
|
|
typeattribute $1 set_curr_context;
|
|
|
|
# Create/access any System V IPC objects.
|
|
allow $1 domain:{ sem msgq shm } *;
|
|
allow $1 domain:msg { send receive };
|
|
|
|
# For /proc/pid
|
|
allow $1 domain:dir r_dir_perms;
|
|
allow $1 domain:file r_file_perms;
|
|
allow $1 domain:lnk_file r_file_perms;
|
|
')
|
|
|
|
#
|
|
# These next macros are not interfaces, but actually are
|
|
# support macros. Due to the domain_ prefix, they
|
|
# are placed in this module, to try to prevent confusion.
|
|
#
|
|
|
|
########################################
|
|
#
|
|
# domain_trans(source_domain,entrypoint_file,target_domain)
|
|
#
|
|
template(`domain_trans',`
|
|
gen_require(`
|
|
class file rx_file_perms;
|
|
process { transition noatsecure siginh rlimitinh };
|
|
')
|
|
|
|
allow $1 $2:file rx_file_perms;
|
|
allow $1 $3:process transition;
|
|
dontaudit $1 $3:process { noatsecure siginh rlimitinh };
|
|
')
|
|
|
|
########################################
|
|
#
|
|
# domain_auto_trans(source_domain,entrypoint_file,target_domain)
|
|
#
|
|
template(`domain_auto_trans',`
|
|
domain_trans($1,$2,$3)
|
|
type_transition $1 $2:process $3;
|
|
')
|