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sandbox/seccomp: emit syscall constants
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Browse Source 
Signed-off-by: Ophestra <cat@gensokyo.uk>
This commit is contained in:
Ophestra 2025-06-30 20:34:33 +09:00
parent 972f4006f0
commit 8ef71e14d5
Signed by: cat
SSH Key Fingerprint: SHA256:gQ67O0enBZ7UdZypgtspB2FDM1g3GVw8nX0XSdcFw8Q
2 changed files with 166 additions and 76 deletions
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23
sandbox/seccomp/mksysnum_linux.pl
View File

@ -19,6 +19,7 @@ var syscallNum = map[string]int{
EOF EOF
my $offset = 0; my $offset = 0;
my $state = -1;
sub fmt { sub fmt {
my ($name, $num) = @_; my ($name, $num) = @_;
@ -30,13 +31,23 @@ sub fmt {
(my $name_upper = $name) =~ y/a-z/A-Z/; (my $name_upper = $name) =~ y/a-z/A-Z/;
$num = $num + $offset; $num = $num + $offset;
if($num > 302){ # not wired in Go standard library if($num > 302){ # not wired in Go standard library
print " \"$name\": $num,\n"; if($state < 0){
print " \"$name\": SYS_$name_upper,\n";
}
else{
print " SYS_$name_upper = $num;\n";
}
}
elsif($state < 0){
print " \"$name\": SYS_$name_upper,\n";
} }
else{ else{
print " \"$name\": SYS_$name_upper,\n"; return;
} }
} }
GENERATE:
my $prev; my $prev;
open(GCC, "gcc -E -dD $ARGV[0] |") || die "can't run gcc"; open(GCC, "gcc -E -dD $ARGV[0] |") || die "can't run gcc";
while(<GCC>){ while(<GCC>){
@ -63,6 +74,10 @@ while(<GCC>){
} }
} }
print <<EOF; if($state < 0){
$state = $state + 1;
print "}\n\nconst (\n";
goto GENERATE;
} }
EOF
print ")";

219
sandbox/seccomp/syscall_linux_amd64.go
View File

@ -309,76 +309,151 @@ var syscallNum = map[string]int{
"fanotify_init": SYS_FANOTIFY_INIT, "fanotify_init": SYS_FANOTIFY_INIT,
"fanotify_mark": SYS_FANOTIFY_MARK, "fanotify_mark": SYS_FANOTIFY_MARK,
"prlimit64": SYS_PRLIMIT64, "prlimit64": SYS_PRLIMIT64,
"name_to_handle_at": 303, "name_to_handle_at": SYS_NAME_TO_HANDLE_AT,
"open_by_handle_at": 304, "open_by_handle_at": SYS_OPEN_BY_HANDLE_AT,
"clock_adjtime": 305, "clock_adjtime": SYS_CLOCK_ADJTIME,
"syncfs": 306, "syncfs": SYS_SYNCFS,
"sendmmsg": 307, "sendmmsg": SYS_SENDMMSG,
"setns": 308, "setns": SYS_SETNS,
"getcpu": 309, "getcpu": SYS_GETCPU,
"process_vm_readv": 310, "process_vm_readv": SYS_PROCESS_VM_READV,
"process_vm_writev": 311, "process_vm_writev": SYS_PROCESS_VM_WRITEV,
"kcmp": 312, "kcmp": SYS_KCMP,
"finit_module": 313, "finit_module": SYS_FINIT_MODULE,
"sched_setattr": 314, "sched_setattr": SYS_SCHED_SETATTR,
"sched_getattr": 315, "sched_getattr": SYS_SCHED_GETATTR,
"renameat2": 316, "renameat2": SYS_RENAMEAT2,
"seccomp": 317, "seccomp": SYS_SECCOMP,
"getrandom": 318, "getrandom": SYS_GETRANDOM,
"memfd_create": 319, "memfd_create": SYS_MEMFD_CREATE,
"kexec_file_load": 320, "kexec_file_load": SYS_KEXEC_FILE_LOAD,
"bpf": 321, "bpf": SYS_BPF,
"execveat": 322, "execveat": SYS_EXECVEAT,
"userfaultfd": 323, "userfaultfd": SYS_USERFAULTFD,
"membarrier": 324, "membarrier": SYS_MEMBARRIER,
"mlock2": 325, "mlock2": SYS_MLOCK2,
"copy_file_range": 326, "copy_file_range": SYS_COPY_FILE_RANGE,
"preadv2": 327, "preadv2": SYS_PREADV2,
"pwritev2": 328, "pwritev2": SYS_PWRITEV2,
"pkey_mprotect": 329, "pkey_mprotect": SYS_PKEY_MPROTECT,
"pkey_alloc": 330, "pkey_alloc": SYS_PKEY_ALLOC,
"pkey_free": 331, "pkey_free": SYS_PKEY_FREE,
"statx": 332, "statx": SYS_STATX,
"io_pgetevents": 333, "io_pgetevents": SYS_IO_PGETEVENTS,
"rseq": 334, "rseq": SYS_RSEQ,
"uretprobe": 335, "uretprobe": SYS_URETPROBE,
"pidfd_send_signal": 424, "pidfd_send_signal": SYS_PIDFD_SEND_SIGNAL,
"io_uring_setup": 425, "io_uring_setup": SYS_IO_URING_SETUP,
"io_uring_enter": 426, "io_uring_enter": SYS_IO_URING_ENTER,
"io_uring_register": 427, "io_uring_register": SYS_IO_URING_REGISTER,
"open_tree": 428, "open_tree": SYS_OPEN_TREE,
"move_mount": 429, "move_mount": SYS_MOVE_MOUNT,
"fsopen": 430, "fsopen": SYS_FSOPEN,
"fsconfig": 431, "fsconfig": SYS_FSCONFIG,
"fsmount": 432, "fsmount": SYS_FSMOUNT,
"fspick": 433, "fspick": SYS_FSPICK,
"pidfd_open": 434, "pidfd_open": SYS_PIDFD_OPEN,
"clone3": 435, "clone3": SYS_CLONE3,
"close_range": 436, "close_range": SYS_CLOSE_RANGE,
"openat2": 437, "openat2": SYS_OPENAT2,
"pidfd_getfd": 438, "pidfd_getfd": SYS_PIDFD_GETFD,
"faccessat2": 439, "faccessat2": SYS_FACCESSAT2,
"process_madvise": 440, "process_madvise": SYS_PROCESS_MADVISE,
"epoll_pwait2": 441, "epoll_pwait2": SYS_EPOLL_PWAIT2,
"mount_setattr": 442, "mount_setattr": SYS_MOUNT_SETATTR,
"quotactl_fd": 443, "quotactl_fd": SYS_QUOTACTL_FD,
"landlock_create_ruleset": 444, "landlock_create_ruleset": SYS_LANDLOCK_CREATE_RULESET,
"landlock_add_rule": 445, "landlock_add_rule": SYS_LANDLOCK_ADD_RULE,
"landlock_restrict_self": 446, "landlock_restrict_self": SYS_LANDLOCK_RESTRICT_SELF,
"memfd_secret": 447, "memfd_secret": SYS_MEMFD_SECRET,
"process_mrelease": 448, "process_mrelease": SYS_PROCESS_MRELEASE,
"futex_waitv": 449, "futex_waitv": SYS_FUTEX_WAITV,
"set_mempolicy_home_node": 450, "set_mempolicy_home_node": SYS_SET_MEMPOLICY_HOME_NODE,
"cachestat": 451, "cachestat": SYS_CACHESTAT,
"fchmodat2": 452, "fchmodat2": SYS_FCHMODAT2,
"map_shadow_stack": 453, "map_shadow_stack": SYS_MAP_SHADOW_STACK,
"futex_wake": 454, "futex_wake": SYS_FUTEX_WAKE,
"futex_wait": 455, "futex_wait": SYS_FUTEX_WAIT,
"futex_requeue": 456, "futex_requeue": SYS_FUTEX_REQUEUE,
"statmount": 457, "statmount": SYS_STATMOUNT,
"listmount": 458, "listmount": SYS_LISTMOUNT,
"lsm_get_self_attr": 459, "lsm_get_self_attr": SYS_LSM_GET_SELF_ATTR,
"lsm_set_self_attr": 460, "lsm_set_self_attr": SYS_LSM_SET_SELF_ATTR,
"lsm_list_modules": 461, "lsm_list_modules": SYS_LSM_LIST_MODULES,
"mseal": 462, "mseal": SYS_MSEAL,
} }
const (
SYS_NAME_TO_HANDLE_AT = 303
SYS_OPEN_BY_HANDLE_AT = 304
SYS_CLOCK_ADJTIME = 305
SYS_SYNCFS = 306
SYS_SENDMMSG = 307
SYS_SETNS = 308
SYS_GETCPU = 309
SYS_PROCESS_VM_READV = 310
SYS_PROCESS_VM_WRITEV = 311
SYS_KCMP = 312
SYS_FINIT_MODULE = 313
SYS_SCHED_SETATTR = 314
SYS_SCHED_GETATTR = 315
SYS_RENAMEAT2 = 316
SYS_SECCOMP = 317
SYS_GETRANDOM = 318
SYS_MEMFD_CREATE = 319
SYS_KEXEC_FILE_LOAD = 320
SYS_BPF = 321
SYS_EXECVEAT = 322
SYS_USERFAULTFD = 323
SYS_MEMBARRIER = 324
SYS_MLOCK2 = 325
SYS_COPY_FILE_RANGE = 326
SYS_PREADV2 = 327
SYS_PWRITEV2 = 328
SYS_PKEY_MPROTECT = 329
SYS_PKEY_ALLOC = 330
SYS_PKEY_FREE = 331
SYS_STATX = 332
SYS_IO_PGETEVENTS = 333
SYS_RSEQ = 334
SYS_URETPROBE = 335
SYS_PIDFD_SEND_SIGNAL = 424
SYS_IO_URING_SETUP = 425
SYS_IO_URING_ENTER = 426
SYS_IO_URING_REGISTER = 427
SYS_OPEN_TREE = 428
SYS_MOVE_MOUNT = 429
SYS_FSOPEN = 430
SYS_FSCONFIG = 431
SYS_FSMOUNT = 432
SYS_FSPICK = 433
SYS_PIDFD_OPEN = 434
SYS_CLONE3 = 435
SYS_CLOSE_RANGE = 436
SYS_OPENAT2 = 437
SYS_PIDFD_GETFD = 438
SYS_FACCESSAT2 = 439
SYS_PROCESS_MADVISE = 440
SYS_EPOLL_PWAIT2 = 441
SYS_MOUNT_SETATTR = 442
SYS_QUOTACTL_FD = 443
SYS_LANDLOCK_CREATE_RULESET = 444
SYS_LANDLOCK_ADD_RULE = 445
SYS_LANDLOCK_RESTRICT_SELF = 446
SYS_MEMFD_SECRET = 447
SYS_PROCESS_MRELEASE = 448
SYS_FUTEX_WAITV = 449
SYS_SET_MEMPOLICY_HOME_NODE = 450
SYS_CACHESTAT = 451
SYS_FCHMODAT2 = 452
SYS_MAP_SHADOW_STACK = 453
SYS_FUTEX_WAKE = 454
SYS_FUTEX_WAIT = 455
SYS_FUTEX_REQUEUE = 456
SYS_STATMOUNT = 457
SYS_LISTMOUNT = 458
SYS_LSM_GET_SELF_ATTR = 459
SYS_LSM_SET_SELF_ATTR = 460
SYS_LSM_LIST_MODULES = 461
SYS_MSEAL = 462
)