platform_system_sepolicy/private/compos_fd_server.te

# Make ART inputs and outputs available to the CompOS VM
type compos_fd_server, domain, coredomain;

# Allow access to open fds inherited from composd
allow compos_fd_server composd:fd use;

# Allow creating new files and directories in the staging directory.
allow compos_fd_server apex_art_staging_data_file:dir create_dir_perms;
allow compos_fd_server apex_art_staging_data_file:file create_file_perms;

# Allow creating new files and directories in the artifacts directory.
allow compos_fd_server apex_art_data_file:dir create_dir_perms;
allow compos_fd_server apex_art_data_file:file create_file_perms;

# Use a pipe to signal readiness
allow compos_fd_server composd:fifo_file write;

# TODO(b/196109647) - remove this when no longer needed by minijail
allow compos_fd_server composd:fifo_file read;

# Create a listening vsock for the VM to connect back to
allow compos_fd_server self:vsock_socket { create_socket_perms_no_ioctl listen accept };

# Only composd can enter the domain via exec
neverallow { domain -composd } compos_fd_server:process transition;
neverallow * compos_fd_server:process dyntransition;