2015-05-15 05:44:48 +08:00
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/*
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nsjail
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-----------------------------------------
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Copyright 2014 Google Inc. All Rights Reserved.
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2016-01-21 03:21:27 +08:00
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Copyright 2016 Sergiusz Bazanski. All Rights Reserved.
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2015-05-15 05:44:48 +08:00
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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2016-01-22 07:11:31 +08:00
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2016-03-11 09:45:43 +08:00
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#ifndef NS_NSJAIL_H
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#define NS_NSJAIL_H
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2015-05-15 05:44:48 +08:00
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2018-02-01 21:19:01 +08:00
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#include <linux/filter.h>
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2017-10-18 20:27:34 +08:00
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#include <netinet/ip6.h>
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2017-10-18 18:33:24 +08:00
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#include <signal.h>
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2017-10-18 20:27:34 +08:00
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <time.h>
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2017-11-09 00:20:57 +08:00
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#include <unistd.h>
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2018-02-10 06:04:57 +08:00
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#include <string>
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2018-02-10 05:35:33 +08:00
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#include <vector>
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2018-02-11 00:49:15 +08:00
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#include "logs.h"
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2017-10-18 18:33:24 +08:00
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static const int nssigs[] = {
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2017-10-26 06:26:02 +08:00
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SIGINT,
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SIGQUIT,
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SIGUSR1,
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SIGALRM,
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SIGCHLD,
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SIGTERM,
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2017-10-18 18:33:24 +08:00
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};
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2016-03-02 00:03:11 +08:00
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2017-10-18 20:27:34 +08:00
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struct pids_t {
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pid_t pid;
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time_t start;
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char remote_txt[64];
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struct sockaddr_in6 remote_addr;
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int pid_syscall_fd;
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};
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2018-02-10 21:38:01 +08:00
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struct mount_t {
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std::string src;
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std::string src_content;
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std::string dst;
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std::string fs_type;
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std::string options;
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2017-10-18 20:27:34 +08:00
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uintptr_t flags;
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bool isDir;
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bool isSymlink;
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bool mandatory;
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bool mounted;
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};
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struct idmap_t {
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uid_t inside_id;
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uid_t outside_id;
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size_t count;
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bool is_newidmap;
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};
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enum ns_mode_t {
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MODE_LISTEN_TCP = 0,
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MODE_STANDALONE_ONCE,
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MODE_STANDALONE_EXECVE,
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MODE_STANDALONE_RERUN
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};
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struct nsjconf_t {
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const char* exec_file;
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2017-10-18 23:57:52 +08:00
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bool use_execveat;
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int exec_fd;
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const char** argv;
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2018-02-10 11:10:18 +08:00
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std::string hostname;
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std::string cwd;
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std::string chroot;
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2017-10-18 20:27:34 +08:00
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int port;
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2018-02-11 06:46:15 +08:00
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std::string bindhost;
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2018-02-10 11:10:18 +08:00
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std::string logfile;
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2018-02-11 00:49:15 +08:00
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logs::llevel_t loglevel;
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2017-10-18 20:27:34 +08:00
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bool daemonize;
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time_t tlimit;
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size_t max_cpus;
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bool keep_env;
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bool keep_caps;
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bool disable_no_new_privs;
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2017-10-25 21:44:35 +08:00
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uint64_t rl_as;
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uint64_t rl_core;
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uint64_t rl_cpu;
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uint64_t rl_fsize;
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uint64_t rl_nofile;
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uint64_t rl_nproc;
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uint64_t rl_stack;
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2017-10-18 20:27:34 +08:00
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unsigned long personality;
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bool clone_newnet;
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bool clone_newuser;
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bool clone_newns;
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bool clone_newpid;
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bool clone_newipc;
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bool clone_newuts;
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bool clone_newcgroup;
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enum ns_mode_t mode;
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bool is_root_rw;
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bool is_silent;
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bool skip_setsid;
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unsigned int max_conns_per_ip;
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size_t tmpfs_size;
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2018-02-11 03:16:17 +08:00
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std::string proc_path;
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2017-10-18 20:27:34 +08:00
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bool is_proc_rw;
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2018-02-11 01:22:51 +08:00
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bool iface_lo;
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2018-02-11 01:18:40 +08:00
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std::string iface_vs;
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std::string iface_vs_ip;
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std::string iface_vs_nm;
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std::string iface_vs_gw;
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2017-10-18 20:27:34 +08:00
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const char* cgroup_mem_mount;
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const char* cgroup_mem_parent;
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size_t cgroup_mem_max;
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const char* cgroup_pids_mount;
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const char* cgroup_pids_parent;
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2017-10-25 21:50:24 +08:00
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unsigned int cgroup_pids_max;
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2017-10-25 16:15:03 +08:00
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const char* cgroup_net_cls_mount;
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const char* cgroup_net_cls_parent;
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unsigned int cgroup_net_cls_classid;
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2018-02-04 11:15:19 +08:00
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const char* cgroup_cpu_mount;
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const char* cgroup_cpu_parent;
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unsigned int cgroup_cpu_ms_per_sec;
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2018-02-11 06:46:15 +08:00
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std::string kafel_file_path;
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std::string kafel_string;
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2018-02-01 21:19:01 +08:00
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struct sock_fprog seccomp_fprog;
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2017-10-18 20:27:34 +08:00
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long num_cpus;
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2017-10-20 04:39:37 +08:00
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uid_t orig_uid;
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2018-02-10 21:38:01 +08:00
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std::vector<mount_t> mountpts;
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2018-02-10 12:13:25 +08:00
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std::vector<pids_t> pids;
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2018-02-10 07:37:23 +08:00
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std::vector<idmap_t> uids;
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std::vector<idmap_t> gids;
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2018-02-10 06:04:57 +08:00
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std::vector<std::string> envs;
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2018-02-10 05:47:00 +08:00
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std::vector<int> openfds;
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2018-02-10 05:35:33 +08:00
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std::vector<int> caps;
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2017-10-18 20:27:34 +08:00
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};
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2017-10-09 05:00:45 +08:00
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#endif /* _NSJAIL_H */
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