/** Seccomp bindings /usr/include/seccomp.h -> public APIs /usr/include/asm/unistd_64.h -> Syscalls */ #assert(CPU == .X64 && OS == .LINUX) "Only x64 Linux support. Sorry!"; Scmp_Action :: enum #specified { KILL_PROCESS :: 0x80000000; KILL_THREAD :: 0x00000000; /** KILL omitted because only used for backward compatibility */ TRAP :: 0x00030000; NOTIFY :: 0x7fc00000; /** libseccomp has macros for providing own error codes. But in an enum we can't do that, so we're outsourcing it to a proc. */ LOG :: 0x7ffc0000; ALLOW :: 0x7fff0000; USER_NOTIF :: 0x7fc00000; } // TODO: bindings generator for libseccomp /** Enum from unistd_64.h There's also the idea of translating the SCMP_SYS macro to Jai and use a more generic approach with asm/unistd.h as presented in libseccomp. But Jai only supports X64 OOTB anyway, so it makes no sense to go the extra mile for a generic approach. The syscall enum is extracted via a script from unistd_64.h directly. I'll create a generate.jai for libseccomp, so we do not rely on a Python script for that. Note: It is very important to assert the exact arch, because otherwise we'll filter the wrong syscalls! Comptime AND runtime assertion! */ Scmp_Syscall_x64 :: enum #specified { READ :: 0; WRITE :: 1; OPEN :: 2; CLOSE :: 3; STAT :: 4; FSTAT :: 5; LSTAT :: 6; POLL :: 7; LSEEK :: 8; MMAP :: 9; MPROTECT :: 10; MUNMAP :: 11; BRK :: 12; RT_SIGACTION :: 13; RT_SIGPROCMASK :: 14; RT_SIGRETURN :: 15; IOCTL :: 16; PREAD64 :: 17; PWRITE64 :: 18; READV :: 19; WRITEV :: 20; ACCESS :: 21; PIPE :: 22; SELECT :: 23; SCHED_YIELD :: 24; MREMAP :: 25; MSYNC :: 26; MINCORE :: 27; MADVISE :: 28; SHMGET :: 29; SHMAT :: 30; SHMCTL :: 31; DUP :: 32; DUP2 :: 33; PAUSE :: 34; NANOSLEEP :: 35; GETITIMER :: 36; ALARM :: 37; SETITIMER :: 38; GETPID :: 39; SENDFILE :: 40; SOCKET :: 41; CONNECT :: 42; ACCEPT :: 43; SENDTO :: 44; RECVFROM :: 45; SENDMSG :: 46; RECVMSG :: 47; SHUTDOWN :: 48; BIND :: 49; LISTEN :: 50; GETSOCKNAME :: 51; GETPEERNAME :: 52; SOCKETPAIR :: 53; SETSOCKOPT :: 54; GETSOCKOPT :: 55; CLONE :: 56; FORK :: 57; VFORK :: 58; EXECVE :: 59; EXIT :: 60; WAIT4 :: 61; KILL :: 62; UNAME :: 63; SEMGET :: 64; SEMOP :: 65; SEMCTL :: 66; SHMDT :: 67; MSGGET :: 68; MSGSND :: 69; MSGRCV :: 70; MSGCTL :: 71; FCNTL :: 72; FLOCK :: 73; FSYNC :: 74; FDATASYNC :: 75; TRUNCATE :: 76; FTRUNCATE :: 77; GETDENTS :: 78; GETCWD :: 79; CHDIR :: 80; FCHDIR :: 81; RENAME :: 82; MKDIR :: 83; RMDIR :: 84; CREAT :: 85; LINK :: 86; UNLINK :: 87; SYMLINK :: 88; READLINK :: 89; CHMOD :: 90; FCHMOD :: 91; CHOWN :: 92; FCHOWN :: 93; LCHOWN :: 94; UMASK :: 95; GETTIMEOFDAY :: 96; GETRLIMIT :: 97; GETRUSAGE :: 98; SYSINFO :: 99; TIMES :: 100; PTRACE :: 101; GETUID :: 102; SYSLOG :: 103; GETGID :: 104; SETUID :: 105; SETGID :: 106; GETEUID :: 107; GETEGID :: 108; SETPGID :: 109; GETPPID :: 110; GETPGRP :: 111; SETSID :: 112; SETREUID :: 113; SETREGID :: 114; GETGROUPS :: 115; SETGROUPS :: 116; SETRESUID :: 117; GETRESUID :: 118; SETRESGID :: 119; GETRESGID :: 120; GETPGID :: 121; SETFSUID :: 122; SETFSGID :: 123; GETSID :: 124; CAPGET :: 125; CAPSET :: 126; RT_SIGPENDING :: 127; RT_SIGTIMEDWAIT :: 128; RT_SIGQUEUEINFO :: 129; RT_SIGSUSPEND :: 130; SIGALTSTACK :: 131; UTIME :: 132; MKNOD :: 133; USELIB :: 134; PERSONALITY :: 135; USTAT :: 136; STATFS :: 137; FSTATFS :: 138; SYSFS :: 139; GETPRIORITY :: 140; SETPRIORITY :: 141; SCHED_SETPARAM :: 142; SCHED_GETPARAM :: 143; SCHED_SETSCHEDULER :: 144; SCHED_GETSCHEDULER :: 145; SCHED_GET_PRIORITY_MAX :: 146; SCHED_GET_PRIORITY_MIN :: 147; SCHED_RR_GET_INTERVAL :: 148; MLOCK :: 149; MUNLOCK :: 150; MLOCKALL :: 151; MUNLOCKALL :: 152; VHANGUP :: 153; MODIFY_LDT :: 154; PIVOT_ROOT :: 155; _SYSCTL :: 156; PRCTL :: 157; ARCH_PRCTL :: 158; ADJTIMEX :: 159; SETRLIMIT :: 160; CHROOT :: 161; SYNC :: 162; ACCT :: 163; SETTIMEOFDAY :: 164; MOUNT :: 165; UMOUNT2 :: 166; SWAPON :: 167; SWAPOFF :: 168; REBOOT :: 169; SETHOSTNAME :: 170; SETDOMAINNAME :: 171; IOPL :: 172; IOPERM :: 173; CREATE_MODULE :: 174; INIT_MODULE :: 175; DELETE_MODULE :: 176; GET_KERNEL_SYMS :: 177; QUERY_MODULE :: 178; QUOTACTL :: 179; NFSSERVCTL :: 180; GETPMSG :: 181; PUTPMSG :: 182; AFS_SYSCALL :: 183; TUXCALL :: 184; SECURITY :: 185; GETTID :: 186; READAHEAD :: 187; SETXATTR :: 188; LSETXATTR :: 189; FSETXATTR :: 190; GETXATTR :: 191; LGETXATTR :: 192; FGETXATTR :: 193; LISTXATTR :: 194; LLISTXATTR :: 195; FLISTXATTR :: 196; REMOVEXATTR :: 197; LREMOVEXATTR :: 198; FREMOVEXATTR :: 199; TKILL :: 200; TIME :: 201; FUTEX :: 202; SCHED_SETAFFINITY :: 203; SCHED_GETAFFINITY :: 204; SET_THREAD_AREA :: 205; IO_SETUP :: 206; IO_DESTROY :: 207; IO_GETEVENTS :: 208; IO_SUBMIT :: 209; IO_CANCEL :: 210; GET_THREAD_AREA :: 211; LOOKUP_DCOOKIE :: 212; EPOLL_CREATE :: 213; EPOLL_CTL_OLD :: 214; EPOLL_WAIT_OLD :: 215; REMAP_FILE_PAGES :: 216; GETDENTS64 :: 217; SET_TID_ADDRESS :: 218; RESTART_SYSCALL :: 219; SEMTIMEDOP :: 220; FADVISE64 :: 221; TIMER_CREATE :: 222; TIMER_SETTIME :: 223; TIMER_GETTIME :: 224; TIMER_GETOVERRUN :: 225; TIMER_DELETE :: 226; CLOCK_SETTIME :: 227; CLOCK_GETTIME :: 228; CLOCK_GETRES :: 229; CLOCK_NANOSLEEP :: 230; EXIT_GROUP :: 231; EPOLL_WAIT :: 232; EPOLL_CTL :: 233; TGKILL :: 234; UTIMES :: 235; VSERVER :: 236; MBIND :: 237; SET_MEMPOLICY :: 238; GET_MEMPOLICY :: 239; MQ_OPEN :: 240; MQ_UNLINK :: 241; MQ_TIMEDSEND :: 242; MQ_TIMEDRECEIVE :: 243; MQ_NOTIFY :: 244; MQ_GETSETATTR :: 245; KEXEC_LOAD :: 246; WAITID :: 247; ADD_KEY :: 248; REQUEST_KEY :: 249; KEYCTL :: 250; IOPRIO_SET :: 251; IOPRIO_GET :: 252; INOTIFY_INIT :: 253; INOTIFY_ADD_WATCH :: 254; INOTIFY_RM_WATCH :: 255; MIGRATE_PAGES :: 256; OPENAT :: 257; MKDIRAT :: 258; MKNODAT :: 259; FCHOWNAT :: 260; FUTIMESAT :: 261; NEWFSTATAT :: 262; UNLINKAT :: 263; RENAMEAT :: 264; LINKAT :: 265; SYMLINKAT :: 266; READLINKAT :: 267; FCHMODAT :: 268; FACCESSAT :: 269; PSELECT6 :: 270; PPOLL :: 271; UNSHARE :: 272; SET_ROBUST_LIST :: 273; GET_ROBUST_LIST :: 274; SPLICE :: 275; TEE :: 276; SYNC_FILE_RANGE :: 277; VMSPLICE :: 278; MOVE_PAGES :: 279; UTIMENSAT :: 280; EPOLL_PWAIT :: 281; SIGNALFD :: 282; TIMERFD_CREATE :: 283; EVENTFD :: 284; FALLOCATE :: 285; TIMERFD_SETTIME :: 286; TIMERFD_GETTIME :: 287; ACCEPT4 :: 288; SIGNALFD4 :: 289; EVENTFD2 :: 290; EPOLL_CREATE1 :: 291; DUP3 :: 292; PIPE2 :: 293; INOTIFY_INIT1 :: 294; PREADV :: 295; PWRITEV :: 296; RT_TGSIGQUEUEINFO :: 297; PERF_EVENT_OPEN :: 298; RECVMMSG :: 299; FANOTIFY_INIT :: 300; FANOTIFY_MARK :: 301; PRLIMIT64 :: 302; NAME_TO_HANDLE_AT :: 303; OPEN_BY_HANDLE_AT :: 304; CLOCK_ADJTIME :: 305; SYNCFS :: 306; SENDMMSG :: 307; SETNS :: 308; GETCPU :: 309; PROCESS_VM_READV :: 310; PROCESS_VM_WRITEV :: 311; KCMP :: 312; FINIT_MODULE :: 313; SCHED_SETATTR :: 314; SCHED_GETATTR :: 315; RENAMEAT2 :: 316; SECCOMP :: 317; GETRANDOM :: 318; MEMFD_CREATE :: 319; KEXEC_FILE_LOAD :: 320; BPF :: 321; EXECVEAT :: 322; USERFAULTFD :: 323; MEMBARRIER :: 324; MLOCK2 :: 325; COPY_FILE_RANGE :: 326; PREADV2 :: 327; PWRITEV2 :: 328; PKEY_MPROTECT :: 329; PKEY_ALLOC :: 330; PKEY_FREE :: 331; STATX :: 332; IO_PGETEVENTS :: 333; RSEQ :: 334; URETPROBE :: 335; UPROBE :: 336; PIDFD_SEND_SIGNAL :: 424; IO_URING_SETUP :: 425; IO_URING_ENTER :: 426; IO_URING_REGISTER :: 427; OPEN_TREE :: 428; MOVE_MOUNT :: 429; FSOPEN :: 430; FSCONFIG :: 431; FSMOUNT :: 432; FSPICK :: 433; PIDFD_OPEN :: 434; CLONE3 :: 435; CLOSE_RANGE :: 436; OPENAT2 :: 437; PIDFD_GETFD :: 438; FACCESSAT2 :: 439; PROCESS_MADVISE :: 440; EPOLL_PWAIT2 :: 441; MOUNT_SETATTR :: 442; QUOTACTL_FD :: 443; LANDLOCK_CREATE_RULESET :: 444; LANDLOCK_ADD_RULE :: 445; LANDLOCK_RESTRICT_SELF :: 446; MEMFD_SECRET :: 447; PROCESS_MRELEASE :: 448; FUTEX_WAITV :: 449; SET_MEMPOLICY_HOME_NODE :: 450; CACHESTAT :: 451; FCHMODAT2 :: 452; MAP_SHADOW_STACK :: 453; FUTEX_WAKE :: 454; FUTEX_WAIT :: 455; FUTEX_REQUEUE :: 456; STATMOUNT :: 457; LISTMOUNT :: 458; LSM_GET_SELF_ATTR :: 459; LSM_SET_SELF_ATTR :: 460; LSM_LIST_MODULES :: 461; MSEAL :: 462; SETXATTRAT :: 463; GETXATTRAT :: 464; LISTXATTRAT :: 465; REMOVEXATTRAT :: 466; OPEN_TREE_ATTR :: 467; FILE_GETATTR :: 468; FILE_SETATTR :: 469; LISTNS :: 470; } seccomp_init :: inline (action: Scmp_Action) -> ctx: *void { assert(CPU == .X64 && OS == .LINUX, "System ist NOT x64 Linux!"); return init(action); } seccomp_rule_add :: inline ( ctx: *void, action: Scmp_Action, syscall: Scmp_Syscall_x64 ) -> ok: bool { return cast(bool)rule_add(ctx, action, syscall, 0, null); } seccomp_rule_add :: inline ( ctx: *void, action: Scmp_Action, syscall: Scmp_Syscall_x64, args: ..*void ) -> ok: bool { return cast(bool)rule_add(ctx, action, syscall, args.count, *args); } SCMP_ACT_ERRNO :: (error_code: int) -> int { assert(false, "NOT TESTED YET"); return 0x00050000 | ((error_code) & 0x0000ffff); } SCMP_ACT_TRACE :: (process: int) -> int { assert(false, "NOT TESTED YET"); return 0x7ff00000 | ((process) & 0x0000ffff); } seccomp_load :: (ctx: *void) -> int #foreign SCMP; seccomp_release :: (ctx: *void) -> void #foreign SCMP; #scope_file using,only(assert) Basic :: #import "Basic"; SCMP :: #library,system,no_dll "seccomp"; init :: (action: Scmp_Action) -> ctx: *void #foreign SCMP "seccomp_init"; rule_add :: ( ctx: *void, action: Scmp_Action, syscall: Scmp_Syscall_x64, arg_count: int, args: *void ) -> int #foreign SCMP "seccomp_rule_add"; /* ------------------------------------------------------------------------------ This software is available under 2 licenses -- choose whichever you prefer. ------------------------------------------------------------------------------ ALTERNATIVE A - MIT License Copyright (c) 2026 Adam Blazeowsky Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. 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