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Allow systemd-networkd use its private tmpfs files #2497

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Allow systemd-networkd use its private tmpfs files #2497

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1 change: 1 addition & 0 deletions policy/modules/system/init.te
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Original file line number Diff line number Diff line change
Expand Up @@ -572,6 +572,7 @@ optional_policy(`
systemd_allow_create_mount_dir(init_t)
systemd_hostnamed_delete_config(init_t)
systemd_manage_conf_files(init_t)
systemd_rw_networkd_tmpfs_files(init_t)
')

optional_policy(`
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18 changes: 18 additions & 0 deletions policy/modules/system/systemd.if
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Expand Up @@ -2734,6 +2734,24 @@ interface(`systemd_networkd_watch_pid_dirs',`
allow $1 systemd_networkd_var_run_t:dir watch_dir_perms;
')

########################################
## <summary>
## Read and write to systemd-networkd tmpfs files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`systemd_rw_networkd_tmpfs_files',`
gen_require(`
type systemd_networkd_tmpfs_t;
')

allow $1 systemd_networkd_tmpfs_t:file rw_file_perms;
')

########################################
## <summary>
## Mmap systemd_resolved_exec_t files.
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6 changes: 6 additions & 0 deletions policy/modules/system/systemd.te
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Expand Up @@ -76,6 +76,9 @@ systemd_unit_file(systemd_hwdb_unit_file_t)
systemd_domain_template(systemd_networkd)
init_nnp_daemon_domain(systemd_networkd_t)

type systemd_networkd_tmpfs_t;
files_tmpfs_file(systemd_networkd_tmpfs_t)

type systemd_networkd_unit_file_t;
systemd_unit_file(systemd_networkd_unit_file_t)

Expand Down Expand Up @@ -609,6 +612,9 @@ allow init_t systemd_networkd_t:netlink_route_socket create_netlink_socket_perms
allow systemd_networkd_t systemd_networkd_var_lib_t:dir list_dir_perms;
create_files_pattern(systemd_networkd_t, systemd_networkd_var_lib_t, systemd_networkd_var_lib_t)

manage_files_pattern(systemd_networkd_t, systemd_networkd_tmpfs_t, systemd_networkd_tmpfs_t)
fs_tmpfs_filetrans(systemd_networkd_t, systemd_networkd_tmpfs_t, file)

manage_files_pattern(systemd_networkd_t, systemd_networkd_var_run_t, systemd_networkd_var_run_t)
manage_lnk_files_pattern(systemd_networkd_t, systemd_networkd_var_run_t, systemd_networkd_var_run_t)
manage_sock_files_pattern(systemd_networkd_t, systemd_networkd_var_run_t, systemd_networkd_var_run_t)
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