120 lines
3.3 KiB
Plaintext
120 lines
3.3 KiB
Plaintext
## <summary>Execute a command with a substitute user</summary>
|
|
|
|
#######################################
|
|
## <summary>
|
|
## The role template for the sudo module.
|
|
## </summary>
|
|
## <desc>
|
|
## <p>
|
|
## This template creates a derived domain which is allowed
|
|
## to change the linux user id, to run commands as a different
|
|
## user.
|
|
## </p>
|
|
## </desc>
|
|
## <param name="role_prefix">
|
|
## <summary>
|
|
## The prefix of the user role (e.g., user
|
|
## is the prefix for user_r).
|
|
## </summary>
|
|
## </param>
|
|
## <param name="user_role">
|
|
## <summary>
|
|
## The user role.
|
|
## </summary>
|
|
## </param>
|
|
## <param name="user_domain">
|
|
## <summary>
|
|
## The user domain associated with the role.
|
|
## </summary>
|
|
## </param>
|
|
#
|
|
template(`sudo_role_template',`
|
|
|
|
gen_require(`
|
|
type sudo_exec_t;
|
|
')
|
|
|
|
##############################
|
|
#
|
|
# Declarations
|
|
#
|
|
|
|
type $1_sudo_t;
|
|
application_domain($1_sudo_t, sudo_exec_t)
|
|
domain_interactive_fd($1_sudo_t)
|
|
ubac_constrained($1_sudo_t)
|
|
role $2 types $1_sudo_t;
|
|
|
|
##############################
|
|
#
|
|
# Local Policy
|
|
#
|
|
|
|
# Use capabilities.
|
|
allow $1_sudo_t self:capability { fowner setuid setgid dac_override sys_resource };
|
|
allow $1_sudo_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execstack execheap };
|
|
allow $1_sudo_t self:process { setexec setrlimit };
|
|
allow $1_sudo_t self:fd use;
|
|
allow $1_sudo_t self:fifo_file rw_fifo_file_perms;
|
|
allow $1_sudo_t self:shm create_shm_perms;
|
|
allow $1_sudo_t self:sem create_sem_perms;
|
|
allow $1_sudo_t self:msgq create_msgq_perms;
|
|
allow $1_sudo_t self:msg { send receive };
|
|
allow $1_sudo_t self:unix_dgram_socket create_socket_perms;
|
|
allow $1_sudo_t self:unix_stream_socket create_stream_socket_perms;
|
|
allow $1_sudo_t self:unix_dgram_socket sendto;
|
|
allow $1_sudo_t self:unix_stream_socket connectto;
|
|
allow $1_sudo_t self:netlink_audit_socket { create bind write nlmsg_read read };
|
|
|
|
# Enter this derived domain from the user domain
|
|
domtrans_pattern($3, sudo_exec_t, $1_sudo_t)
|
|
|
|
# By default, revert to the calling domain when a shell is executed.
|
|
corecmd_shell_domtrans($1_sudo_t, $3)
|
|
allow $3 $1_sudo_t:fd use;
|
|
allow $3 $1_sudo_t:fifo_file rw_file_perms;
|
|
allow $3 $1_sudo_t:process sigchld;
|
|
|
|
kernel_read_kernel_sysctls($1_sudo_t)
|
|
kernel_read_system_state($1_sudo_t)
|
|
kernel_search_key($1_sudo_t)
|
|
|
|
dev_read_urand($1_sudo_t)
|
|
|
|
fs_search_auto_mountpoints($1_sudo_t)
|
|
fs_getattr_xattr_fs($1_sudo_t)
|
|
|
|
auth_domtrans_chk_passwd($1_sudo_t)
|
|
# sudo stores a token in the pam_pid directory
|
|
auth_manage_pam_pid($1_sudo_t)
|
|
auth_use_nsswitch($1_sudo_t)
|
|
|
|
corecmd_read_bin_symlinks($1_sudo_t)
|
|
corecmd_getattr_all_executables($1_sudo_t)
|
|
|
|
domain_use_interactive_fds($1_sudo_t)
|
|
domain_sigchld_interactive_fds($1_sudo_t)
|
|
domain_getattr_all_entry_files($1_sudo_t)
|
|
|
|
files_read_etc_files($1_sudo_t)
|
|
files_read_var_files($1_sudo_t)
|
|
files_read_usr_symlinks($1_sudo_t)
|
|
files_getattr_usr_files($1_sudo_t)
|
|
# for some PAM modules and for cwd
|
|
files_dontaudit_search_home($1_sudo_t)
|
|
|
|
init_rw_utmp($1_sudo_t)
|
|
|
|
logging_send_syslog_msg($1_sudo_t)
|
|
|
|
miscfiles_read_localization($1_sudo_t)
|
|
|
|
userdom_manage_user_home_content_files($1_sudo_t)
|
|
userdom_manage_user_home_content_symlinks($1_sudo_t)
|
|
userdom_manage_user_tmp_files($1_sudo_t)
|
|
userdom_manage_user_tmp_symlinks($1_sudo_t)
|
|
userdom_use_user_terminals($1_sudo_t)
|
|
# for some PAM modules and for cwd
|
|
userdom_dontaudit_search_user_home_content($1_sudo_t)
|
|
')
|