126 lines
4.0 KiB
Plaintext
126 lines
4.0 KiB
Plaintext
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#
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# Macros for gpg agent
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#
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# Author: Thomas Bleher <ThomasBleher@gmx.de>
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#
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#
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# gpg_agent_domain(domain_prefix)
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#
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# The type declaration for the executable type for this program is
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# provided separately in domains/program/gpg-agent.te.
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#
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define(`gpg_agent_domain',`
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# Define a derived domain for the gpg-agent program when executed
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# by a user domain.
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# Derived domain based on the calling user domain and the program.
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type $1_gpg_agent_t, domain;
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# Transition from the user domain to the derived domain.
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domain_auto_trans($1_t, gpg_agent_exec_t, $1_gpg_agent_t)
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# The user role is authorized for this domain.
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role $1_r types $1_gpg_agent_t;
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allow $1_gpg_agent_t privfd:fd use;
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# Write to the user domain tty.
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access_terminal($1_gpg_agent_t, $1)
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# Allow the user shell to signal the gpg-agent program.
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allow $1_t $1_gpg_agent_t:process { signal sigkill };
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# allow ps to show gpg-agent
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can_ps($1_t, $1_gpg_agent_t)
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uses_shlib($1_gpg_agent_t)
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read_locale($1_gpg_agent_t)
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# rlimit: gpg-agent wants to prevent coredumps
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allow $1_gpg_agent_t self:process { setrlimit fork sigchld };
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allow $1_gpg_agent_t { self proc_t }:dir search;
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allow $1_gpg_agent_t { self proc_t }:lnk_file read;
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allow $1_gpg_agent_t device_t:dir { getattr read };
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# read and write ~/.gnupg (gpg-agent stores secret keys in ~/.gnupg/private-keys-v1.d )
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allow $1_gpg_agent_t { home_root_t $1_home_dir_t }:dir search;
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create_dir_file($1_gpg_agent_t, $1_gpg_secret_t)
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if (use_nfs_home_dirs) {
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create_dir_file($1_gpg_agent_t, nfs_t)
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}
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if (use_samba_home_dirs) {
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create_dir_file($1_gpg_agent_t, cifs_t)
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}
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allow $1_gpg_agent_t self:unix_stream_socket create_stream_socket_perms;
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allow $1_gpg_agent_t self:fifo_file { getattr read write };
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# create /tmp files
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tmp_domain($1_gpg_agent, `', `{ file dir sock_file }')
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# gpg connect
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allow $1_gpg_t $1_gpg_agent_tmp_t:dir search;
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allow $1_gpg_t $1_gpg_agent_tmp_t:sock_file write;
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can_unix_connect($1_gpg_t, $1_gpg_agent_t)
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# policy for pinentry
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# ===================
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# we need to allow gpg-agent to call pinentry so it can get the passphrase
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# from the user.
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# Please note that I didnt use the x_client_domain-macro as it gives too
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# much permissions
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type $1_gpg_pinentry_t, domain;
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role $1_r types $1_gpg_pinentry_t;
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allow $1_gpg_agent_t bin_t:dir search;
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domain_auto_trans($1_gpg_agent_t, pinentry_exec_t, $1_gpg_pinentry_t)
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uses_shlib($1_gpg_pinentry_t)
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read_locale($1_gpg_pinentry_t)
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allow $1_gpg_pinentry_t self:unix_stream_socket { connect create getattr read shutdown write };
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allow $1_gpg_pinentry_t self:fifo_file { getattr read write };
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ifdef(`xdm.te', `
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allow $1_gpg_pinentry_t xdm_xserver_tmp_t:dir search;
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allow $1_gpg_pinentry_t xdm_xserver_tmp_t:sock_file { read write };
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can_unix_connect($1_gpg_pinentry_t, xdm_xserver_t)
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')dnl end ig xdm.te
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read_fonts($1_gpg_pinentry_t, $1)
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# read kde font cache
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allow $1_gpg_pinentry_t usr_t:file { getattr read };
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allow $1_gpg_pinentry_t { proc_t self }:dir search;
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allow $1_gpg_pinentry_t { proc_t self }:lnk_file read;
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# read /proc/meminfo
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allow $1_gpg_pinentry_t proc_t:file read;
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allow $1_gpg_pinentry_t { tmp_t home_root_t }:dir { getattr search };
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# for .Xauthority
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allow $1_gpg_pinentry_t $1_home_dir_t:dir { getattr search };
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allow $1_gpg_pinentry_t $1_home_t:file { getattr read };
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# wants to put some lock files into the user home dir, seems to work fine without
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dontaudit $1_gpg_pinentry_t $1_home_t:dir { read write };
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dontaudit $1_gpg_pinentry_t $1_home_t:file write;
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if (use_nfs_home_dirs) {
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allow $1_gpg_pinentry_t nfs_t:dir { getattr search };
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allow $1_gpg_pinentry_t nfs_t:file { getattr read };
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dontaudit $1_gpg_pinentry_t nfs_t:dir { read write };
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dontaudit $1_gpg_pinentry_t nfs_t:file write;
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}
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if (use_samba_home_dirs) {
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allow $1_gpg_pinentry_t cifs_t:dir { getattr search };
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allow $1_gpg_pinentry_t cifs_t:file { getattr read };
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dontaudit $1_gpg_pinentry_t cifs_t:dir { read write };
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dontaudit $1_gpg_pinentry_t cifs_t:file write;
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}
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# read /etc/X11/qtrc
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allow $1_gpg_pinentry_t etc_t:file { getattr read };
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dontaudit $1_gpg_pinentry_t { sysctl_t sysctl_kernel_t bin_t }:dir { getattr search };
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')dnl end if gpg_agent
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