syntax = "proto2";

package nsjail;

enum Mode {
	LISTEN = 0;
	ONCE = 1;
	RERUN = 2;
	EXECVE = 3;
}

enum LogLevel {
	DEBUG = 0;
	INFO = 1;
	WARNING = 2;
	ERROR = 3;
	FATAL = 4;
}

message IdMap {
	required string inside_id = 1 [default = ""];
	required string outside_id = 2 [default = ""];
	required uint32 count = 3 [default = 1];
	required bool use_newidmap = 4 [default = false];
}

message MountPt {
	required string src = 1;
	required string dst = 2;
	required string fstype = 3;
	required string options = 4 [default = ""];
	required bool is_bind = 5 [default = false];
	required bool is_ro = 6 [default = false];
	optional bool is_dir = 7;
}

message Exe {
	required string path = 1;
	repeated string arg = 2;
}

message NsJailConfig {
	required Mode mode = 1 [default = ONCE];
	optional string chroot_dir = 2;
	required bool is_root_rw = 3 [default = false];
	required string hostname = 6 [default = "NSJAIL"];
	required string cwd = 7 [default = "/"];

	required uint32 port = 8 [default = 0];
	required string bindhost = 9 [default = "::"];
	required uint32 max_conns_per_ip = 10 [default = 0];

	required uint32 time_limit = 11 [default = 600];
	required bool daemon = 12 [default = false];
	optional string log_file = 13;
	optional LogLevel log_level = 14;
	required bool keep_env = 15 [default = false];
	required bool silent = 16 [default = false];
	required bool skip_setsid = 17 [default = false];
	repeated int32 pass_fd = 18;
	required bool pivot_root_only = 19 [ default = false];
	required bool disable_no_new_privs = 20 [default = false];

	required uint64 rlimit_as = 21 [default = 512];
	required uint64 rlimit_core = 22 [default = 0];
	required uint64 rlimit_cpu = 23 [default = 600];
	required uint64 rlimit_fsize = 24 [default = 1];
	required uint64 rlimit_nofile = 25 [default = 32];
	optional uint64 rlimit_nproc = 26;
	optional uint64 rlimit_stack = 27;

	required bool persona_addr_compat_layout = 28 [default = false];
	required bool persona_mmap_page_zero = 29 [default = false];
	required bool persona_read_implies_exec = 30 [default = false];
	required bool persona_addr_limit_3gb = 31 [default = false];
	required bool persona_addr_no_randomize = 32 [default = false];

	required bool clone_newnet = 33 [default = true];
	required bool clone_newuser = 34 [default = true];
	required bool clone_newns = 35 [default = true];
	required bool clone_newpid = 36 [default = true];
	required bool clone_newipc = 37 [default = true];
	required bool clone_newuts = 38 [default = true];
	required bool clone_newcgroup = 39 [default = false];

	repeated IdMap uidmap = 40;
	repeated IdMap gidmap = 41;

	repeated MountPt mount = 42;
	required bool mount_proc = 43 [default = true];

	optional string seccomp_policy_file = 44;
	optional string seccomp_string = 45;

	required uint64 cgroup_mem_max = 46 [default = 0];
	required string cgroup_mem_mount = 47 [default = "/sys/fs/cgroup/memory"];
	required string cgroup_mem_parent = 48 [default = "NSJAIL"];

	required uint64 cgroup_pids_max = 49 [default = 0];
	required string cgroup_pids_mount = 50 [default = "/sys/fs/cgroup/pids"];
	required string cgroup_pids_parent = 51 [default = "NSJAIL"];

	required bool iface_no_lo = 52 [default = false];
	optional string macvlan_iface = 53;
	required string macvlan_vs_ip = 54 [default = "192.168.0.2"];
	required string macvlan_vs_nm = 55 [default = "255.255.255.0"];
	required string macvlan_vs_gw = 56 [default = "192.168.0.1"];

	optional Exe exec_bin = 57;
}