130 lines
3.0 KiB
C
130 lines
3.0 KiB
C
/*
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nsjail - common structures
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-----------------------------------------
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Copyright 2014 Google Inc. All Rights Reserved.
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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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#ifndef _COMMON_H
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#define _COMMON_H
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#include <limits.h>
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#include <netinet/ip6.h>
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#include <stdbool.h>
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#include <sys/queue.h>
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#include <sys/resource.h>
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#include <sys/types.h>
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#define ARRAYSIZE(array) (sizeof(array) / sizeof(*array))
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/* Go-style defer implementation */
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#define __STRMERGE(a, b) a##b
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#define _STRMERGE(a, b) __STRMERGE(a, b)
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#ifdef __clang__
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static void __attribute__ ((unused)) _clang_cleanup_func(void (^*dfunc) (void))
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{
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(*dfunc) ();
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}
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#define defer(a) void (^_STRMERGE(__defer_f_, __COUNTER__))(void) __attribute__((cleanup(_clang_cleanup_func))) __attribute__((unused)) = ^{ a; }
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#else
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#define __block
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#define _defer(a, count) void _STRMERGE(__defer_f_, count)(void *_defer_arg __attribute__((unused))) { a; } ; \
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int _STRMERGE(_defer_var_, count) __attribute__((cleanup(_STRMERGE(__defer_f_, count)))) __attribute__((unused))
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#define defer(a) _defer(a, __COUNTER__)
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#endif
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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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TAILQ_ENTRY(pids_t) pointers;
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};
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struct mounts_t {
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const char *src;
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const char *dst;
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const char *fs_type;
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const char *options;
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uintptr_t flags;
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TAILQ_ENTRY(mounts_t) pointers;
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};
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enum 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 charptr_t {
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char *val;
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TAILQ_ENTRY(charptr_t) pointers;
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};
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struct nsjconf_t {
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const char *hostname;
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const char *cwd;
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char *const *argv;
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int port;
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const char *bindhost;
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bool daemonize;
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time_t tlimit;
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bool apply_sandbox;
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bool verbose;
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bool keep_env;
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bool keep_caps;
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rlim64_t rl_as;
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rlim64_t rl_core;
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rlim64_t rl_cpu;
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rlim64_t rl_fsize;
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rlim64_t rl_nofile;
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rlim64_t rl_nproc;
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rlim64_t rl_stack;
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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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enum mode_t mode;
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const char *chroot;
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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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uid_t outside_uid;
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gid_t outside_gid;
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uid_t inside_uid;
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gid_t inside_gid;
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unsigned int max_conns_per_ip;
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size_t tmpfs_size;
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bool mount_proc;
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bool iface_no_lo;
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const char *iface;
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const char *iface_vs_ip;
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const char *iface_vs_nm;
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const char *iface_vs_gw;
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TAILQ_HEAD(envlist, charptr_t) envs;
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TAILQ_HEAD(pidslist, pids_t) pids;
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TAILQ_HEAD(mountptslist, mounts_t) mountpts;
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};
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#endif /* _COMMON_H */
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