policy_module(git, 1.0.3)

## <desc>
## <p>
## Allow Git daemon system to search home directories.
## </p>
## </desc>
gen_tunable(git_system_enable_homedirs, false)

## <desc>
## <p>
## Allow Git daemon system to access cifs file systems.
## </p>
## </desc>
gen_tunable(git_system_use_cifs, false)

## <desc>
## <p>
## Allow Git daemon system to access nfs file systems.
## </p>
## </desc>
gen_tunable(git_system_use_nfs, false)

########################################
#
# Git daemon global private declarations.
#

attribute git_domains;
attribute git_system_content;
attribute git_content;

type gitd_exec_t;

########################################
#
# Git daemon system private declarations.
#

type git_system_t, git_domains;
inetd_service_domain(git_system_t, gitd_exec_t)
role system_r types git_system_t;

type git_system_content_t, git_system_content, git_content;
files_type(git_system_content_t)
typealias git_system_content_t alias git_data_t;

########################################
#
# Git daemon session private declarations.
#

## <desc>
## <p>
## Allow Git daemon session to bind
## tcp sockets to all unreserved ports.
## </p>
## </desc>
gen_tunable(git_session_bind_all_unreserved_ports, false)

type git_session_t, git_domains;
application_domain(git_session_t, gitd_exec_t)
ubac_constrained(git_session_t)

type git_session_content_t, git_content;
userdom_user_home_content(git_session_content_t)

########################################
#
# Git daemon global private policy.
#

allow git_domains self:fifo_file rw_fifo_file_perms;
allow git_domains self:netlink_route_socket create_netlink_socket_perms;
allow git_domains self:tcp_socket create_socket_perms;
allow git_domains self:udp_socket create_socket_perms;
allow git_domains self:unix_dgram_socket create_socket_perms;

corenet_all_recvfrom_netlabel(git_domains)
corenet_all_recvfrom_unlabeled(git_domains)
corenet_tcp_bind_generic_node(git_domains)
corenet_tcp_sendrecv_generic_if(git_domains)
corenet_tcp_sendrecv_generic_node(git_domains)
corenet_tcp_sendrecv_generic_port(git_domains)
corenet_tcp_bind_git_port(git_domains)
corenet_sendrecv_git_server_packets(git_domains)

corecmd_exec_bin(git_domains)

files_read_etc_files(git_domains)
files_read_usr_files(git_domains)

fs_search_auto_mountpoints(git_domains)

kernel_read_system_state(git_domains)

auth_use_nsswitch(git_domains)

logging_send_syslog_msg(git_domains)

miscfiles_read_localization(git_domains)

sysnet_read_config(git_domains)

optional_policy(`
	automount_dontaudit_getattr_tmp_dirs(git_domains)
')

optional_policy(`
	nis_use_ypbind(git_domains)
')

########################################
#
# Git daemon system repository private policy.
#

list_dirs_pattern(git_system_t, git_content, git_content)
read_files_pattern(git_system_t, git_content, git_content)
files_search_var_lib(git_system_t)

tunable_policy(`git_system_enable_homedirs', `
	userdom_search_user_home_dirs(git_system_t)
')

tunable_policy(`git_system_enable_homedirs && use_nfs_home_dirs', `
	fs_list_nfs(git_system_t)
	fs_read_nfs_files(git_system_t)
')

tunable_policy(`git_system_enable_homedirs && use_samba_home_dirs', `
	fs_list_cifs(git_system_t)
	fs_read_cifs_files(git_system_t)
')

tunable_policy(`git_system_use_cifs', `
	fs_list_cifs(git_system_t)
	fs_read_cifs_files(git_system_t)
')

tunable_policy(`git_system_use_nfs', `
	fs_list_nfs(git_system_t)
	fs_read_nfs_files(git_system_t)
')

########################################
#
# Git daemon session repository private policy.
#

allow git_session_t self:tcp_socket { accept listen };

list_dirs_pattern(git_session_t, git_session_content_t, git_session_content_t)
read_files_pattern(git_session_t, git_session_content_t, git_session_content_t)
userdom_search_user_home_dirs(git_session_t)

userdom_use_user_terminals(git_session_t)

tunable_policy(`git_session_bind_all_unreserved_ports', `
	corenet_tcp_bind_all_unreserved_ports(git_session_t)
	corenet_sendrecv_generic_server_packets(git_session_t)
')

tunable_policy(`use_nfs_home_dirs', `
	fs_list_nfs(git_session_t)
	fs_read_nfs_files(git_session_t)
')

tunable_policy(`use_samba_home_dirs', `
	fs_list_cifs(git_session_t)
	fs_read_cifs_files(git_session_t)
')

########################################
#
# cgi git Declarations
#

optional_policy(`
	apache_content_template(git)
	git_read_all_content_files(httpd_git_script_t)
	files_dontaudit_getattr_tmp_dirs(httpd_git_script_t)
')

########################################
#
# Git-shell private policy.
#

git_role_template(git_shell)
gen_user(git_shell_u, user, git_shell_r, s0, s0)