/*
* Copyright 2015 IBM
* Author: Jan Willeke <willeke@linux.vnet.com.com>
*/
#include <string.h>
#include <seccomp.h>
#include "arch.h"
#include "arch-s390.h"
/* NOTE: based on Linux v5.4-rc4 */
const struct arch_syscall_def s390_syscall_table[] = { \
{ "_llseek", 140 },
{ "_newselect", 142 },
{ "_sysctl", 149 },
{ "accept", __PNR_accept },
{ "accept4", 364 },
{ "access", 33 },
{ "acct", 51 },
{ "add_key", 278 },
{ "adjtimex", 124 },
{ "afs_syscall", 137 },
{ "alarm", 27 },
{ "arm_fadvise64_64", __PNR_arm_fadvise64_64 },
{ "arm_sync_file_range", __PNR_arm_sync_file_range },
{ "arch_prctl", __PNR_arch_prctl },
{ "bdflush", 134 },
{ "bind", 361 },
{ "bpf", 351 },
{ "break", __PNR_break },
{ "breakpoint", __PNR_breakpoint },
{ "brk", 45 },
{ "cachectl", __PNR_cachectl },
{ "cacheflush", __PNR_cacheflush },
{ "capget", 184 },
{ "capset", 185 },
{ "chdir", 12 },
{ "chmod", 15 },
{ "chown", 182 },
{ "chown32", 212 },
{ "chroot", 61 },
{ "clock_adjtime", 337 },
{ "clock_adjtime64", 405 },
{ "clock_getres", 261 },
{ "clock_getres_time64", 406 },
{ "clock_gettime", 260 },
{ "clock_gettime64", 403 },
{ "clock_nanosleep", 262 },
{ "clock_nanosleep_time64", 407 },
{ "clock_settime", 259 },
{ "clock_settime64", 404 },
{ "clone", 120 },
{ "clone3", 435 },
{ "close", 6 },
{ "connect", 362 },
{ "copy_file_range", 375 },
{ "creat", 8 },
{ "create_module", 127 },
{ "delete_module", 129 },
{ "dup", 41 },
{ "dup2", 63 },
{ "dup3", 326 },
{ "epoll_create", 249 },
{ "epoll_create1", 327 },
{ "epoll_ctl", 250 },
{ "epoll_ctl_old", __PNR_epoll_ctl_old },
{ "epoll_pwait", 312 },
{ "epoll_wait", 251 },
{ "epoll_wait_old", __PNR_epoll_wait_old },
{ "eventfd", 318 },
{ "eventfd2", 323 },
{ "execve", 11 },
{ "execveat", 354 },
{ "exit", 1 },
{ "exit_group", 248 },
{ "faccessat", 300 },
{ "fadvise64", 253 },
{ "fadvise64_64", 264 },
{ "fallocate", 314 },
{ "fanotify_init", 332 },
{ "fanotify_mark", 333 },
{ "fchdir", 133 },
{ "fchmod", 94 },
{ "fchmodat", 299 },
{ "fchown", 95 },
{ "fchown32", 207 },
{ "fchownat", 291 },
{ "fcntl", 55 },
{ "fcntl64", 221 },
{ "fdatasync", 148 },
{ "fgetxattr", 229 },
{ "finit_module", 344 },
{ "flistxattr", 232 },
{ "flock", 143 },
{ "fork", 2 },
{ "fremovexattr", 235 },
{ "fsconfig", 431 },
{ "fsetxattr", 226 },
{ "fsmount", 432 },
{ "fsopen", 430 },
{ "fspick", 433 },
{ "fstat", 108 },
{ "fstat64", 197 },
{ "fstatat64", 293 },
{ "fstatfs", 100 },
{ "fstatfs64", 266 },
{ "fsync", 118 },
{ "ftime", __PNR_ftime },
{ "ftruncate", 93 },
{ "ftruncate64", 194 },
{ "futex", 238 },
{ "futex_time64", 422 },
{ "futimesat", 292 },
{ "get_kernel_syms", 130 },
{ "get_mempolicy", 269 },
{ "get_robust_list", 305 },
{ "get_thread_area", __PNR_get_thread_area },
{ "get_tls", __PNR_get_tls },
{ "getcpu", 311 },
{ "getcwd", 183 },
{ "getdents", 141 },
{ "getdents64", 220 },
{ "getegid", 50 },
{ "getegid32", 202 },
{ "geteuid", 49 },
{ "geteuid32", 201 },
{ "getgid", 47 },
{ "getgid32", 200 },
{ "getgroups", 80 },
{ "getgroups32", 205 },
{ "getitimer", 105 },
{ "getpeername", 368 },
{ "getpgid", 132 },
{ "getpgrp", 65 },
{ "getpid", 20 },
{ "getpmsg", 188 },
{ "getppid", 64 },
{ "getpriority", 96 },
{ "getrandom", 349 },
{ "getresgid", 171 },
{ "getresgid32", 211 },
{ "getresuid", 165 },
{ "getresuid32", 209 },
{ "getrlimit", 76 },
{ "getrusage", 77 },
{ "getsid", 147 },
{ "getsockname", 367 },
{ "getsockopt", 365 },
{ "gettid", 236 },
{ "gettimeofday", 78 },
{ "getuid", 24 },
{ "getuid32", 199 },
{ "getxattr", 227 },
{ "gtty", __PNR_gtty },
{ "idle", 112 },
{ "init_module", 128 },
{ "inotify_add_watch", 285 },
{ "inotify_init", 284 },
{ "inotify_init1", 324 },
{ "inotify_rm_watch", 286 },
{ "io_cancel", 247 },
{ "io_destroy", 244 },
{ "io_getevents", 245 },
{ "io_pgetevents", 382 },
{ "io_pgetevents_time64", 416 },
{ "io_setup", 243 },
{ "io_submit", 246 },
{ "io_uring_setup", 425 },
{ "io_uring_enter", 426 },
{ "io_uring_register", 427 },
{ "ioctl", 54 },
{ "ioperm", 101 },
{ "iopl", __PNR_iopl },
{ "ioprio_get", 283 },
{ "ioprio_set", 282 },
{ "ipc", 117 },
{ "kcmp", 343 },
{ "kexec_file_load", 381 },
{ "kexec_load", 277 },
{ "keyctl", 280 },
{ "kill", 37 },
{ "lchown", 16 },
{ "lchown32", 198 },
{ "lgetxattr", 228 },
{ "link", 9 },
{ "linkat", 296 },
{ "listen", 363 },
{ "listxattr", 230 },
{ "llistxattr", 231 },
{ "lock", __PNR_lock },
{ "lookup_dcookie", 110 },
{ "lremovexattr", 234 },
{ "lseek", 19 },
{ "lsetxattr", 225 },
{ "lstat", 107 },
{ "lstat64", 196 },
{ "madvise", 219 },
{ "mbind", 268 },
{ "membarrier", 356 },
{ "memfd_create", 350 },
{ "migrate_pages", 287 },
{ "mincore", 218 },
{ "mkdir", 39 },
{ "mkdirat", 289 },
{ "mknod", 14 },
{ "mknodat", 290 },
{ "mlock", 150 },
{ "mlock2", 374 },
{ "mlockall", 152 },
{ "mmap", 90 },
{ "mmap2", 192 },
{ "modify_ldt", __PNR_modify_ldt },
{ "mount", 21 },
{ "move_mount", 429 },
{ "move_pages", 310 },
{ "mprotect", 125 },
{ "mpx", __PNR_mpx },
{ "mq_getsetattr", 276 },
{ "mq_notify", 275 },
{ "mq_open", 271 },
{ "mq_timedreceive", 274 },
{ "mq_timedreceive_time64", 419 },
{ "mq_timedsend", 273 },
{ "mq_timedsend_time64", 418 },
{ "mq_unlink", 272 },
{ "mremap", 163 },
{ "msgctl", 402 },
{ "msgget", 399 },
{ "msgrcv", 401 },
{ "msgsnd", 400 },
{ "msync", 144 },
{ "multiplexer", __PNR_multiplexer },
{ "munlock", 151 },
{ "munlockall", 153 },
{ "munmap", 91 },
{ "name_to_handle_at", 335 },
{ "nanosleep", 162 },
{ "newfstatat", __PNR_newfstatat },
{ "nfsservctl", 169 },
{ "nice", 34 },
{ "oldfstat", __PNR_oldfstat },
{ "oldlstat", __PNR_oldlstat },
{ "oldolduname", __PNR_oldolduname },
{ "oldstat", __PNR_oldstat },
{ "olduname", __PNR_olduname },
{ "oldwait4", __PNR_oldwait4 },
{ "open", 5 },
{ "open_by_handle_at", 336 },
{ "open_tree", 428 },
{ "openat", 288 },
{ "pause", 29 },
{ "pciconfig_iobase", __PNR_pciconfig_iobase },
{ "pciconfig_read", __PNR_pciconfig_read },
{ "pciconfig_write", __PNR_pciconfig_write },
{ "perf_event_open", 331 },
{ "personality", 136 },
{ "pidfd_open", 434 },
{ "pidfd_send_signal", 424 },
{ "pipe", 42 },
{ "pipe2", 325 },
{ "pivot_root", 217 },
{ "pkey_alloc", 385 },
{ "pkey_free", 386 },
{ "pkey_mprotect", 384 },
{ "poll", 168 },
{ "ppoll", 302 },
{ "ppoll_time64", 414 },
{ "prctl", 172 },
{ "pread64", 180 },
{ "preadv", 328 },
{ "preadv2", 376 },
{ "prlimit64", 334 },
{ "process_vm_readv", 340 },
{ "process_vm_writev", 341 },
{ "prof", __PNR_prof },
{ "profil", __PNR_profil },
{ "pselect6", 301 },
{ "pselect6_time64", 413 },
{ "ptrace", 26 },
{ "putpmsg", 189 },
{ "pwrite64", 181 },
{ "pwritev", 329 },
{ "pwritev2", 377 },
{ "query_module", 167 },
{ "quotactl", 131 },
{ "read", 3 },
{ "readahead", 222 },
{ "readdir", 89 },
{ "readlink", 85 },
{ "readlinkat", 298 },
{ "readv", 145 },
{ "reboot", 88 },
{ "recv", __PNR_recv },
{ "recvfrom", 371 },
{ "recvmmsg", 357 },
{ "recvmmsg_time64", 417 },
{ "recvmsg", 372 },
{ "remap_file_pages", 267 },
{ "removexattr", 233 },
{ "rename", 38 },
{ "renameat", 295 },
{ "renameat2", 347 },
{ "request_key", 279 },
{ "restart_syscall", 7 },
{ "rmdir", 40 },
{ "rseq", 383 },
{ "rt_sigaction", 174 },
{ "rt_sigpending", 176 },
{ "rt_sigprocmask", 175 },
{ "rt_sigqueueinfo", 178 },
{ "rt_sigreturn", 173 },
{ "rt_sigsuspend", 179 },
{ "rt_sigtimedwait", 177 },
{ "rt_sigtimedwait_time64", 421 },
{ "rt_tgsigqueueinfo", 330 },
{ "rtas", __PNR_rtas },
{ "s390_guarded_storage", 378 },
{ "s390_pci_mmio_read", 353 },
{ "s390_pci_mmio_write", 352 },
{ "s390_runtime_instr", 342 },
{ "s390_sthyi", 380 },
{ "sched_get_priority_max", 159 },
{ "sched_get_priority_min", 160 },
{ "sched_getaffinity", 240 },
{ "sched_getattr", 346 },
{ "sched_getparam", 155 },
{ "sched_getscheduler", 157 },
{ "sched_rr_get_interval", 161 },
{ "sched_rr_get_interval_time64", 423 },
{ "sched_setaffinity", 239 },
{ "sched_setattr", 345 },
{ "sched_setparam", 154 },
{ "sched_setscheduler", 156 },
{ "sched_yield", 158 },
{ "seccomp", 348 },
{ "security", __PNR_security },
{ "select", __PNR_select },
{ "semctl", 394 },
{ "semget", 393 },
{ "semop", __PNR_semop },
{ "semtimedop", __PNR_semtimedop },
{ "semtimedop_time64", 420 },
{ "send", __PNR_send },
{ "sendfile", 187 },
{ "sendfile64", 223 },
{ "sendmmsg", 358 },
{ "sendmsg", 370 },
{ "sendto", 369 },
{ "set_mempolicy", 270 },
{ "set_robust_list", 304 },
{ "set_thread_area", __PNR_set_thread_area },
{ "set_tid_address", 252 },
{ "set_tls", __PNR_set_tls },
{ "setdomainname", 121 },
{ "setfsgid", 139 },
{ "setfsgid32", 216 },
{ "setfsuid", 138 },
{ "setfsuid32", 215 },
{ "setgid", 46 },
{ "setgid32", 214 },
{ "setgroups", 81 },
{ "setgroups32", 206 },
{ "sethostname", 74 },
{ "setitimer", 104 },
{ "setns", 339 },
{ "setpgid", 57 },
{ "setpriority", 97 },
{ "setregid", 71 },
{ "setregid32", 204 },
{ "setresgid", 170 },
{ "setresgid32", 210 },
{ "setresuid", 164 },
{ "setresuid32", 208 },
{ "setreuid", 70 },
{ "setreuid32", 203 },
{ "setrlimit", 75 },
{ "setsid", 66 },
{ "setsockopt", 366 },
{ "settimeofday", 79 },
{ "setuid", 23 },
{ "setuid32", 213 },
{ "setxattr", 224 },
{ "sgetmask", __PNR_sgetmask },
{ "shmat", 397 },
{ "shmctl", 396 },
{ "shmdt", 398 },
{ "shmget", 395 },
{ "shutdown", 373 },
{ "sigaction", 67 },
{ "sigaltstack", 186 },
{ "signal", 48 },
{ "signalfd", 316 },
{ "signalfd4", 322 },
{ "sigpending", 73 },
{ "sigprocmask", 126 },
{ "sigreturn", 119 },
{ "sigsuspend", 72 },
{ "socket", 359 },
{ "socketcall", 102 },
{ "socketpair", 360 },
{ "splice", 306 },
{ "spu_create", __PNR_spu_create },
{ "spu_run", __PNR_spu_run },
{ "ssetmask", __PNR_ssetmask },
{ "stat", 106 },
{ "stat64", 195 },
{ "statfs", 99 },
{ "statfs64", 265 },
{ "statx", 379 },
{ "stime", 25 },
{ "stty", __PNR_stty },
{ "subpage_prot", __PNR_subpage_prot },
{ "swapcontext", __PNR_swapcontext },
{ "swapoff", 115 },
{ "swapon", 87 },
{ "switch_endian", __PNR_switch_endian },
{ "symlink", 83 },
{ "symlinkat", 297 },
{ "sync", 36 },
{ "sync_file_range", 307 },
{ "sync_file_range2", __PNR_sync_file_range2 },
{ "syncfs", 338 },
{ "syscall", __PNR_syscall },
{ "sys_debug_setcontext", __PNR_sys_debug_setcontext },
{ "sysfs", 135 },
{ "sysinfo", 116 },
{ "syslog", 103 },
{ "sysmips", __PNR_sysmips },
{ "tee", 308 },
{ "tgkill", 241 },
{ "time", 13 },
{ "timer_create", 254 },
{ "timer_delete", 258 },
{ "timer_getoverrun", 257 },
{ "timer_gettime", 256 },
{ "timer_gettime64", 408 },
{ "timer_settime", 255 },
{ "timer_settime64", 409 },
{ "timerfd", 317 },
{ "timerfd_create", 319 },
{ "timerfd_gettime", 321 },
{ "timerfd_gettime64", 410 },
{ "timerfd_settime", 320 },
{ "timerfd_settime64", 411 },
{ "times", 43 },
{ "tkill", 237 },
{ "truncate", 92 },
{ "truncate64", 193 },
{ "tuxcall", __PNR_tuxcall },
{ "ugetrlimit", 191 },
{ "ulimit", __PNR_ulimit },
{ "umask", 60 },
{ "umount", 22 },
{ "umount2", 52 },
{ "uname", 122 },
{ "unlink", 10 },
{ "unlinkat", 294 },
{ "unshare", 303 },
{ "uselib", 86 },
{ "userfaultfd", 355 },
{ "usr26", __PNR_usr26 },
{ "usr32", __PNR_usr32 },
{ "ustat", 62 },
{ "utime", 30 },
{ "utimensat", 315 },
{ "utimensat_time64", 412 },
{ "utimes", 313 },
{ "vfork", 190 },
{ "vhangup", 111 },
{ "vm86", __PNR_vm86 },
{ "vm86old", __PNR_vm86old },
{ "vmsplice", 309 },
{ "vserver", __PNR_vserver },
{ "wait4", 114 },
{ "waitid", 281 },
{ "waitpid", __PNR_waitpid },
{ "write", 4 },
{ "writev", 146 },
{ NULL, __NR_SCMP_ERROR },
};
/**
* Resolve a syscall name to a number
* @param name the syscall name
*
* Resolve the given syscall name to the syscall number using the syscall table.
* Returns the syscall number on success, including negative pseudo syscall
* numbers; returns __NR_SCMP_ERROR on failure.
*
*/
int s390_syscall_resolve_name(const char *name)
{
unsigned int iter;
const struct arch_syscall_def *table = s390_syscall_table;
/* XXX - plenty of room for future improvement here */
if (strcmp(name, "accept") == 0)
return __PNR_accept;
if (strcmp(name, "accept4") == 0)
return __PNR_accept4;
else if (strcmp(name, "bind") == 0)
return __PNR_bind;
else if (strcmp(name, "connect") == 0)
return __PNR_connect;
else if (strcmp(name, "getpeername") == 0)
return __PNR_getpeername;
else if (strcmp(name, "getsockname") == 0)
return __PNR_getsockname;
else if (strcmp(name, "getsockopt") == 0)
return __PNR_getsockopt;
else if (strcmp(name, "listen") == 0)
return __PNR_listen;
else if (strcmp(name, "recv") == 0)
return __PNR_recv;
else if (strcmp(name, "recvfrom") == 0)
return __PNR_recvfrom;
else if (strcmp(name, "recvmsg") == 0)
return __PNR_recvmsg;
else if (strcmp(name, "recvmmsg") == 0)
return __PNR_recvmmsg;
else if (strcmp(name, "send") == 0)
return __PNR_send;
else if (strcmp(name, "sendmsg") == 0)
return __PNR_sendmsg;
else if (strcmp(name, "sendmmsg") == 0)
return __PNR_sendmmsg;
else if (strcmp(name, "sendto") == 0)
return __PNR_sendto;
else if (strcmp(name, "setsockopt") == 0)
return __PNR_setsockopt;
else if (strcmp(name, "shmat") == 0)
return __PNR_shmat;
else if (strcmp(name, "shmdt") == 0)
return __PNR_shmdt;
else if (strcmp(name, "shmget") == 0)
return __PNR_shmget;
else if (strcmp(name, "shmctl") == 0)
return __PNR_shmctl;
else if (strcmp(name, "shutdown") == 0)
return __PNR_shutdown;
else if (strcmp(name, "socket") == 0)
return __PNR_socket;
else if (strcmp(name, "socketpair") == 0)
return __PNR_socketpair;
for (iter = 0; table[iter].name != NULL; iter++) {
if (strcmp(name, table[iter].name) == 0)
return table[iter].num;
}
return __NR_SCMP_ERROR;
}
/**
* Resolve a syscall number to a name
* @param num the syscall number
*
* Resolve the given syscall number to the syscall name using the syscall table.
* Returns a pointer to the syscall name string on success, including pseudo
* syscall names; returns NULL on failure.
*
*/
const char *s390_syscall_resolve_num(int num)
{
unsigned int iter;
const struct arch_syscall_def *table = s390_syscall_table;
/* XXX - plenty of room for future improvement here */
if (num == __PNR_accept)
return "accept";
else if (num == __PNR_accept4)
return "accept4";
else if (num == __PNR_bind)
return "bind";
else if (num == __PNR_connect)
return "connect";
else if (num == __PNR_getpeername)
return "getpeername";
else if (num == __PNR_getsockname)
return "getsockname";
else if (num == __PNR_getsockopt)
return "getsockopt";
else if (num == __PNR_listen)
return "listen";
else if (num == __PNR_recv)
return "recv";
else if (num == __PNR_recvfrom)
return "recvfrom";
else if (num == __PNR_recvmsg)
return "recvmsg";
else if (num == __PNR_recvmmsg)
return "recvmmsg";
else if (num == __PNR_send)
return "send";
else if (num == __PNR_sendmsg)
return "sendmsg";
else if (num == __PNR_sendmmsg)
return "sendmmsg";
else if (num == __PNR_sendto)
return "sendto";
else if (num == __PNR_setsockopt)
return "setsockopt";
else if (num == __PNR_shmat)
return "shmat";
else if (num == __PNR_shmdt)
return "shmdt";
else if (num == __PNR_shmget)
return "shmget";
else if (num == __PNR_shmctl)
return "shmctl";
else if (num == __PNR_shutdown)
return "shutdown";
else if (num == __PNR_socket)
return "socket";
else if (num == __PNR_socketpair)
return "socketpair";
for (iter = 0; table[iter].num != __NR_SCMP_ERROR; iter++) {
if (num == table[iter].num)
return table[iter].name;
}
return NULL;
}
/**
* Iterate through the syscall table and return the syscall mapping
* @param spot the offset into the syscall table
*
* Return the syscall mapping at position @spot or NULL on failure. This
* function should only ever be used internally by libseccomp.
*
*/
const struct arch_syscall_def *s390_syscall_iterate(unsigned int spot)
{
/* XXX - no safety checks here */
return &s390_syscall_table[spot];
}