policy_module(skype, 0.0.2)

############################
# 
# Declarations
#

## <desc>
## <p>
##   Be able to manage user files (needed to support sending and receiving files).
##   Without this boolean set, only files marked as skype_home_t can be used for
##   sending and receiving.
## </p>
## </desc>
gen_tunable(skype_manage_user_content, false)

type skype_t;
type skype_exec_t;
application_domain(skype_t, skype_exec_t)

type skype_home_t;
userdom_user_home_dir_filetrans(skype_t, skype_home_t, dir)
userdom_user_home_content(skype_home_t)

type skype_tmp_t;
files_tmp_file(skype_tmp_t)
ubac_constrained(skype_tmp_t)

type skype_tmpfs_t;
files_tmpfs_file(skype_tmpfs_t)
ubac_constrained(skype_tmpfs_t)
optional_policy(`
	pulseaudio_tmpfs_content(skype_tmpfs_t)
')

############################
#
# Policy
#

allow skype_t self:process { getsched setsched execmem signal };
allow skype_t self:fifo_file rw_fifo_file_perms;
allow skype_t self:unix_stream_socket create_socket_perms;
allow skype_t self:sem create_sem_perms;
allow skype_t self:tcp_socket create_stream_socket_perms;

allow skype_t skype_exec_t:file execmod;

# Allow skype to work with its ~/.skype location
manage_dirs_pattern(skype_t, skype_home_t, skype_home_t)
manage_files_pattern(skype_t, skype_home_t, skype_home_t)
manage_lnk_files_pattern(skype_t, skype_home_t, skype_home_t)

# Needed for supporting X11 & shared memory
manage_files_pattern(skype_t, skype_tmpfs_t, skype_tmpfs_t)
manage_lnk_files_pattern(skype_t, skype_tmpfs_t, skype_tmpfs_t)
manage_fifo_files_pattern(skype_t, skype_tmpfs_t, skype_tmpfs_t)
manage_sock_files_pattern(skype_t, skype_tmpfs_t, skype_tmpfs_t)
fs_tmpfs_filetrans(skype_t, skype_tmpfs_t, { file lnk_file sock_file fifo_file })

manage_dirs_pattern(skype_t, skype_tmp_t, skype_tmp_t)
manage_files_pattern(skype_t, skype_tmp_t, skype_tmp_t)
manage_sock_files_pattern(skype_t, skype_tmp_t, skype_tmp_t)
files_tmp_filetrans(skype_t, skype_tmp_t, { dir file sock_file })

kernel_dontaudit_search_sysctl(skype_t)
kernel_dontaudit_read_kernel_sysctls(skype_t)
kernel_read_network_state(skype_t)
kernel_read_system_state(skype_t)

corecmd_exec_bin(skype_t)
corecmd_exec_shell(skype_t)

can_exec(skype_t, skype_exec_t)

corenet_all_recvfrom_netlabel(skype_t)
corenet_all_recvfrom_unlabeled(skype_t)
corenet_sendrecv_http_client_packets(skype_t)
corenet_tcp_bind_generic_node(skype_t)
corenet_tcp_bind_generic_port(skype_t)
corenet_tcp_connect_all_unreserved_ports(skype_t)
corenet_tcp_connect_generic_port(skype_t)
corenet_tcp_connect_http_port(skype_t)
corenet_tcp_sendrecv_http_port(skype_t)
corenet_udp_bind_generic_node(skype_t)
corenet_udp_bind_generic_port(skype_t)

dev_dontaudit_search_sysfs(skype_t)
dev_dontaudit_read_sysfs(skype_t)
dev_read_sound(skype_t)
dev_read_video_dev(skype_t)
dev_write_sound(skype_t)
dev_write_video_dev(skype_t)

domain_dontaudit_use_interactive_fds(skype_t)

files_read_etc_files(skype_t)
files_read_usr_files(skype_t)

fs_dontaudit_getattr_tmpfs(skype_t)
fs_dontaudit_getattr_xattr_fs(skype_t)

auth_use_nsswitch(skype_t)

miscfiles_dontaudit_setattr_fonts_dirs(skype_t)
miscfiles_read_generic_certs(skype_t)
miscfiles_read_localization(skype_t)

userdom_dontaudit_use_user_ttys(skype_t)
userdom_use_user_ptys(skype_t)

xserver_user_x_domain_template(skype, skype_t, skype_tmpfs_t)

tunable_policy(`skype_manage_user_content',`
	userdom_manage_user_home_content_dirs(skype_t)
	userdom_manage_user_home_content_files(skype_t)
')

optional_policy(`
	pulseaudio_domtrans(skype_t)
')

optional_policy(`
	dbus_system_bus_client(skype_t)
	dbus_all_session_bus_client(skype_t)
')

optional_policy(`
	xdg_manage_config_home(skype_t)
')

optional_policy(`
	mozilla_dontaudit_manage_user_home_files(skype_t)
')

ifdef(`use_alsa',`
	optional_policy(`
		alsa_domain(skype_t, skype_tmpfs_t)
	')
')