diff --git a/refpolicy/policy/modules/services/ssh.if b/refpolicy/policy/modules/services/ssh.if index 1f3f640..338b827 100644 --- a/refpolicy/policy/modules/services/ssh.if +++ b/refpolicy/policy/modules/services/ssh.if @@ -39,6 +39,30 @@ template(`ssh_per_userdomain_template',` # Read the ssh key file. allow $1_ssh_t sshd_key_t:file r_file_perms; + # Access the ssh temporary files. + allow $1_ssh_t sshd_tmp_t:dir create_dir_perms; + allow $1_ssh_t sshd_tmp_t:file create_file_perms; + files_create_tmp_files($1_ssh_t, sshd_tmp_t, { file dir }) + + # for rsync + allow $1_ssh_t $1_t:unix_stream_socket rw_socket_perms; + allow $1_ssh_t $1_t:unix_stream_socket connectto; + + # user can manage the keys and config + allow $1_t $1_home_ssh_t:dir rw_dir_perms; + allow $1_t $1_home_ssh_t:file create_file_perms; + allow $1_t $1_home_ssh_t:lnk_file create_lnk_perms; + allow $1_t $1_home_ssh_t:sock_file create_file_perms; + + # ssh client can manage the keys and config + allow $1_ssh_t $1_home_ssh_t:file create_file_perms; + allow $1_ssh_t $1_home_ssh_t:lnk_file { getattr read }; + + # ssh servers can read the user keys and config + allow ssh_server $1_home_ssh_t:dir r_dir_perms; + allow ssh_server $1_home_ssh_t:lnk_file r_file_perms; + allow ssh_server $1_home_ssh_t:file r_file_perms; + kernel_read_kernel_sysctl($1_ssh_t) corenet_tcp_sendrecv_all_if($1_ssh_t) @@ -75,6 +99,8 @@ template(`ssh_per_userdomain_template',` sysnet_read_config($1_ssh_t) + userdom_use_unpriv_users_fd($1_ssh_t) + tunable_policy(`use_dns',` allow $1_ssh_t self:udp_socket { create ioctl read getattr write setattr append bind getopt setopt shutdown connect }; corenet_udp_sendrecv_all_if($1_ssh_t) @@ -99,7 +125,6 @@ template(`ssh_per_userdomain_template',` ') ifdef(`TODO',` - allow $1_ssh_t unpriv_userdomain:fd use; can_ypbind($1_ssh_t) allow $1_ssh_t autofs_t:dir { search getattr }; @@ -125,22 +150,14 @@ template(`ssh_per_userdomain_template',` can_ypbind($1_ssh_t) can_kerberos($1_ssh_t) - # Access the ssh temporary files. - file_type_auto_trans($1_ssh_t, tmp_t, sshd_tmp_t) allow $1_ssh_t $1_tmp_t:dir r_dir_perms; - # for rsync - allow $1_ssh_t $1_t:unix_stream_socket rw_socket_perms; - # Access the users .ssh directory. file_type_auto_trans({ sysadm_ssh_t $1_ssh_t }, $1_home_dir_t, $1_home_ssh_t, dir) file_type_auto_trans($1_ssh_t, $1_home_dir_t, $1_home_ssh_t, sock_file) - allow $1_t $1_home_ssh_t:sock_file create_file_perms; - allow { sysadm_ssh_t $1_ssh_t } $1_home_ssh_t:file create_file_perms; - allow { sysadm_ssh_t $1_ssh_t } $1_home_ssh_t:lnk_file { getattr read }; + allow sysadm_ssh_t $1_home_ssh_t:file create_file_perms; + allow sysadm_ssh_t $1_home_ssh_t:lnk_file { getattr read }; dontaudit $1_ssh_t $1_home_t:dir { getattr search }; - r_dir_file({ sshd_t sshd_extern_t }, $1_home_ssh_t) - rw_dir_create_file($1_t, $1_home_ssh_t) # for /bin/sh used to execute xauth dontaudit $1_ssh_t proc_t:dir search; @@ -154,8 +171,6 @@ template(`ssh_per_userdomain_template',` allow $1_ssh_t devpts_t:dir { read search getattr }; allow $1_ssh_t $1_devpts_t:chr_file { read write getattr ioctl }; - # Allow the user shell to signal the ssh program. - allow $1_t $1_ssh_t:process signal; # allow ps to show ssh can_ps($1_t, $1_ssh_t) @@ -267,7 +282,6 @@ template(`ssh_per_userdomain_template',` allow $1_ssh_agent_t { home_root_t $1_home_dir_t }:dir search; allow $1_ssh_t $1_tmp_t:sock_file write; - allow $1_ssh_t $1_t:unix_stream_socket connectto; ifdef(`xdm.te', ` allow $1_ssh_agent_t xdm_t:fd use; @@ -295,8 +309,7 @@ template(`ssh_per_userdomain_template',` # # template(`sshd_program_domain', ` - # auth_chkpwd is for running unix_chkpwd and unix_verify. - type $1_t; #, nscd_client_domain; + type $1_t, ssh_server; #, nscd_client_domain; role system_r types $1_t; type $1_devpts_t;