diff options
-rw-r--r-- | include/seccomp-syscalls.h | 5 | ||||
-rw-r--r-- | include/seccomp.h.in | 12 | ||||
-rw-r--r-- | src/Makefile.am | 1 | ||||
-rw-r--r-- | src/arch-riscv64-syscalls.c | 553 | ||||
-rw-r--r-- | src/arch-riscv64.c | 31 | ||||
-rw-r--r-- | src/arch-riscv64.h | 30 | ||||
-rw-r--r-- | src/arch.c | 7 | ||||
-rw-r--r-- | src/gen_pfc.c | 2 | ||||
-rw-r--r-- | src/python/libseccomp.pxd | 1 | ||||
-rw-r--r-- | src/python/seccomp.pyx | 2 | ||||
-rw-r--r-- | src/system.c | 1 | ||||
-rw-r--r-- | tests/15-basic-resolver.c | 1 | ||||
-rw-r--r-- | tests/16-sim-arch_basic.c | 6 | ||||
-rwxr-xr-x | tests/16-sim-arch_basic.py | 1 | ||||
-rw-r--r-- | tests/23-sim-arch_all_le_basic.c | 3 | ||||
-rwxr-xr-x | tests/23-sim-arch_all_le_basic.py | 1 | ||||
-rwxr-xr-x | tests/regression | 6 | ||||
-rw-r--r-- | tools/scmp_arch_detect.c | 3 | ||||
-rw-r--r-- | tools/scmp_bpf_disasm.c | 2 | ||||
-rw-r--r-- | tools/scmp_bpf_sim.c | 2 | ||||
-rw-r--r-- | tools/util.c | 2 | ||||
-rw-r--r-- | tools/util.h | 7 |
22 files changed, 677 insertions, 2 deletions
diff --git a/include/seccomp-syscalls.h b/include/seccomp-syscalls.h index 3c958df..d7eb383 100644 --- a/include/seccomp-syscalls.h +++ b/include/seccomp-syscalls.h @@ -273,6 +273,7 @@ #define __PNR_timerfd_settime64 -10239 #define __PNR_utimensat_time64 -10240 #define __PNR_ppoll -10241 +#define __PNR_renameat -10242 /* * libseccomp syscall definitions @@ -1494,7 +1495,11 @@ #define __SNR_rename __PNR_rename #endif +#ifdef __NR_renameat #define __SNR_renameat __NR_renameat +#else +#define __SNR_renameat __PNR_renameat +#endif #define __SNR_renameat2 __NR_renameat2 diff --git a/include/seccomp.h.in b/include/seccomp.h.in index 42f3a79..208b366 100644 --- a/include/seccomp.h.in +++ b/include/seccomp.h.in @@ -197,6 +197,18 @@ struct scmp_arg_cmp { #define SCMP_ARCH_PARISC64 AUDIT_ARCH_PARISC64 /** + * The RISC-V architecture tokens + */ +/* RISC-V support for audit was merged in 5.0-rc1 */ +#ifndef AUDIT_ARCH_RISCV64 +#ifndef EM_RISCV +#define EM_RISCV 243 +#endif /* EM_RISCV */ +#define AUDIT_ARCH_RISCV64 (EM_RISCV|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) +#endif /* AUDIT_ARCH_RISCV64 */ +#define SCMP_ARCH_RISCV64 AUDIT_ARCH_RISCV64 + +/** * Convert a syscall name into the associated syscall number * @param x the syscall name */ diff --git a/src/Makefile.am b/src/Makefile.am index 2e7e38d..47e2f33 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -42,6 +42,7 @@ SOURCES_ALL = \ arch-parisc.h arch-parisc.c arch-parisc64.c arch-parisc-syscalls.c \ arch-ppc.h arch-ppc.c arch-ppc-syscalls.c \ arch-ppc64.h arch-ppc64.c arch-ppc64-syscalls.c \ + arch-riscv64.h arch-riscv64.c arch-riscv64-syscalls.c \ arch-s390.h arch-s390.c arch-s390-syscalls.c \ arch-s390x.h arch-s390x.c arch-s390x-syscalls.c diff --git a/src/arch-riscv64-syscalls.c b/src/arch-riscv64-syscalls.c new file mode 100644 index 0000000..ceebece --- /dev/null +++ b/src/arch-riscv64-syscalls.c @@ -0,0 +1,553 @@ +/* + * This library is free software; you can redistribute it and/or modify it + * under the terms of version 2.1 of the GNU Lesser General Public License as + * published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, see <http://www.gnu.org/licenses>. + */ + +#include <string.h> + +#include <seccomp.h> + +#include "arch.h" +#include "arch-riscv64.h" + +/* NOTE: based on Linux 5.4 */ +const struct arch_syscall_def riscv64_syscall_table[] = { \ + { "_llseek", __PNR__llseek }, + { "_newselect", __PNR__newselect }, + { "_sysctl", __PNR__sysctl }, + { "accept", 202 }, + { "accept4", 242 }, + { "access", __PNR_access }, + { "acct", 89 }, + { "add_key", 217 }, + { "adjtimex", 171 }, + { "afs_syscall", __PNR_afs_syscall }, + { "alarm", __PNR_alarm }, + { "arm_fadvise64_64", __PNR_arm_fadvise64_64 }, + { "arm_sync_file_range", __PNR_arm_sync_file_range }, + { "arch_prctl", __PNR_arch_prctl }, + { "bdflush", __PNR_bdflush }, + { "bind", 200 }, + { "bpf", 280 }, + { "break", __PNR_break }, + { "breakpoint", __PNR_breakpoint }, + { "brk", 214 }, + { "cachectl", __PNR_cachectl }, + { "cacheflush", __PNR_cacheflush }, + { "capget", 90 }, + { "capset", 91 }, + { "chdir", 49 }, + { "chmod", __PNR_chmod }, + { "chown", __PNR_chown }, + { "chown32", __PNR_chown32 }, + { "chroot", 51 }, + { "clock_adjtime", 266 }, + { "clock_adjtime64", __PNR_clock_adjtime64 }, + { "clock_getres", 114 }, + { "clock_getres_time64", __PNR_clock_getres_time64 }, + { "clock_gettime", 113 }, + { "clock_gettime64", __PNR_clock_gettime64 }, + { "clock_nanosleep", 115 }, + { "clock_nanosleep_time64", __PNR_clock_nanosleep_time64 }, + { "clock_settime", 112 }, + { "clock_settime64", __PNR_clock_settime64 }, + { "clone", 220 }, + { "clone3", 435 }, + { "close", 57 }, + { "connect", 203 }, + { "copy_file_range", 285 }, + { "creat", __PNR_creat }, + { "create_module", __PNR_create_module }, + { "delete_module", 106 }, + { "dup", 23 }, + { "dup2", __PNR_dup2 }, + { "dup3", 24 }, + { "epoll_create", __PNR_epoll_create }, + { "epoll_create1", 20 }, + { "epoll_ctl", 21 }, + { "epoll_ctl_old", __PNR_epoll_ctl_old }, + { "epoll_pwait", 22 }, + { "epoll_wait", __PNR_epoll_wait }, + { "epoll_wait_old", __PNR_epoll_wait_old }, + { "eventfd", __PNR_eventfd }, + { "eventfd2", 19 }, + { "execve", 221 }, + { "execveat", 281 }, + { "exit", 93 }, + { "exit_group", 94 }, + { "faccessat", 48 }, + { "fadvise64", 223 }, + { "fadvise64_64", __PNR_fadvise64_64 }, + { "fallocate", 47 }, + { "fanotify_init", 262 }, + { "fanotify_mark", 263 }, + { "fchdir", 50 }, + { "fchmod", 52 }, + { "fchmodat", 53 }, + { "fchown", 55 }, + { "fchown32", __PNR_fchown32 }, + { "fchownat", 54 }, + { "fcntl", 25 }, + { "fcntl64", __PNR_fcntl64 }, + { "fdatasync", 83 }, + { "fgetxattr", 10 }, + { "finit_module", 273 }, + { "flistxattr", 13 }, + { "flock", 32 }, + { "fork", __PNR_fork }, + { "fremovexattr", 16 }, + { "fsconfig", 431 }, + { "fsetxattr", 7 }, + { "fsmount", 432 }, + { "fsopen", 430 }, + { "fspick", 433 }, + { "fstat", 80 }, + { "fstat64", __PNR_fstat64 }, + { "fstatat64", __PNR_fstatat64 }, + { "fstatfs", 44 }, + { "fstatfs64", __PNR_fstatfs64 }, + { "fsync", 82 }, + { "ftime", __PNR_ftime }, + { "ftruncate", 46 }, + { "ftruncate64", __PNR_ftruncate64 }, + { "futex", 98 }, + { "futex_time64", __PNR_futex_time64 }, + { "futimesat", __PNR_futimesat }, + { "get_kernel_syms", __PNR_get_kernel_syms }, + { "get_mempolicy", 236 }, + { "get_robust_list", 100 }, + { "get_thread_area", __PNR_get_thread_area }, + { "get_tls", __PNR_get_tls }, + { "getcpu", 168 }, + { "getcwd", 17 }, + { "getdents", __PNR_getdents }, + { "getdents64", 61 }, + { "getegid", 177 }, + { "getegid32", __PNR_getegid32 }, + { "geteuid", 175 }, + { "geteuid32", __PNR_geteuid32 }, + { "getgid", 176 }, + { "getgid32", __PNR_getgid32 }, + { "getgroups", 158 }, + { "getgroups32", __PNR_getgroups32 }, + { "getitimer", 102 }, + { "getpeername", 205 }, + { "getpgid", 155 }, + { "getpgrp", __PNR_getpgrp }, + { "getpid", 172 }, + { "getpmsg", __PNR_getpmsg }, + { "getppid", 173 }, + { "getpriority", 141 }, + { "getrandom", 278 }, + { "getresgid", 150 }, + { "getresgid32", __PNR_getresgid32 }, + { "getresuid", 148 }, + { "getresuid32", __PNR_getresuid32 }, + { "getrlimit", 163 }, + { "getrusage", 165 }, + { "getsid", 156 }, + { "getsockname", 204 }, + { "getsockopt", 209 }, + { "gettid", 178 }, + { "gettimeofday", 169 }, + { "getuid", 174 }, + { "getuid32", __PNR_getuid32 }, + { "getxattr", 8 }, + { "gtty", __PNR_gtty }, + { "idle", __PNR_idle }, + { "init_module", 105 }, + { "inotify_add_watch", 27 }, + { "inotify_init", __PNR_inotify_init }, + { "inotify_init1", 26 }, + { "inotify_rm_watch", 28 }, + { "io_cancel", 3 }, + { "io_destroy", 1 }, + { "io_getevents", 4 }, + { "io_pgetevents", 292 }, + { "io_pgetevents_time64", __PNR_io_pgetevents_time64 }, + { "io_setup", 0 }, + { "io_submit", 2 }, + { "io_uring_enter", 426 }, + { "io_uring_register", 427 }, + { "io_uring_setup", 425 }, + { "ioctl", 29 }, + { "ioperm", __PNR_ioperm }, + { "iopl", __PNR_iopl }, + { "ioprio_get", 31 }, + { "ioprio_set", 30 }, + { "ipc", __PNR_ipc }, + { "kcmp", 272 }, + { "kexec_file_load", 294 }, + { "kexec_load", 104 }, + { "keyctl", 219 }, + { "kill", 129 }, + { "lchown", __PNR_lchown }, + { "lchown32", __PNR_lchown32 }, + { "lgetxattr", 9 }, + { "link", __PNR_link }, + { "linkat", 37 }, + { "listen", 201 }, + { "listxattr", 11 }, + { "llistxattr", 12 }, + { "lock", __PNR_lock }, + { "lookup_dcookie", 18 }, + { "lremovexattr", 15 }, + { "lseek", 62 }, + { "lsetxattr", 6 }, + { "lstat", __PNR_lstat }, + { "lstat64", __PNR_lstat64 }, + { "madvise", 233 }, + { "mbind", 235 }, + { "membarrier", 283 }, + { "memfd_create", 279 }, + { "migrate_pages", 238 }, + { "mincore", 232 }, + { "mkdir", __PNR_mkdir }, + { "mkdirat", 34 }, + { "mknod", __PNR_mknod }, + { "mknodat", 33 }, + { "mlock", 228 }, + { "mlock2", 284 }, + { "mlockall", 230 }, + { "mmap", 222 }, + { "mmap2", __PNR_mmap2 }, + { "modify_ldt", __PNR_modify_ldt }, + { "mount", 40 }, + { "move_mount", 429 }, + { "move_pages", 239 }, + { "mprotect", 226 }, + { "mpx", __PNR_mpx }, + { "mq_getsetattr", 185 }, + { "mq_notify", 184 }, + { "mq_open", 180 }, + { "mq_timedreceive", 183 }, + { "mq_timedreceive_time64", __PNR_mq_timedreceive_time64 }, + { "mq_timedsend", 182 }, + { "mq_timedsend_time64", __PNR_mq_timedsend_time64 }, + { "mq_unlink", 181 }, + { "mremap", 216 }, + { "msgctl", 187 }, + { "msgget", 186 }, + { "msgrcv", 188 }, + { "msgsnd", 189 }, + { "msync", 227 }, + { "multiplexer", __PNR_multiplexer }, + { "munlock", 229 }, + { "munlockall", 231 }, + { "munmap", 215 }, + { "name_to_handle_at", 264 }, + { "nanosleep", 101 }, + { "newfstatat", 79 }, + { "nfsservctl", 42 }, + { "nice", __PNR_nice }, + { "oldfstat", __PNR_oldfstat }, + { "oldlstat", __PNR_oldlstat }, + { "oldolduname", __PNR_oldolduname }, + { "oldstat", __PNR_oldstat }, + { "olduname", __PNR_olduname }, + { "oldwait4", __PNR_oldwait4 }, + { "open", __PNR_open }, + { "open_by_handle_at", 265 }, + { "open_tree", 428 }, + { "openat", 56 }, + { "pause", __PNR_pause }, + { "pciconfig_iobase", __PNR_pciconfig_iobase }, + { "pciconfig_read", __PNR_pciconfig_read }, + { "pciconfig_write", __PNR_pciconfig_write }, + { "perf_event_open", 241 }, + { "personality", 92 }, + { "pidfd_open", 434 }, + { "pidfd_send_signal", 424 }, + { "pipe", __PNR_pipe }, + { "pipe2", 59 }, + { "pivot_root", 41 }, + { "pkey_alloc", 289 }, + { "pkey_free", 290 }, + { "pkey_mprotect", 288 }, + { "poll", __PNR_poll }, + { "ppoll", 73 }, + { "ppoll_time64", __PNR_ppoll_time64 }, + { "prctl", 167 }, + { "pread64", 67 }, + { "preadv", 69 }, + { "preadv2", 286 }, + { "prlimit64", 261 }, + { "process_vm_readv", 270 }, + { "process_vm_writev", 271 }, + { "prof", __PNR_prof }, + { "profil", __PNR_profil }, + { "pselect6", 72 }, + { "pselect6_time64", __PNR_pselect6_time64 }, + { "ptrace", 117 }, + { "putpmsg", __PNR_putpmsg }, + { "pwrite64", 68 }, + { "pwritev", 70 }, + { "pwritev2", 287 }, + { "query_module", __PNR_query_module }, + { "quotactl", 60 }, + { "read", 63 }, + { "readahead", 213 }, + { "readdir", __PNR_readdir }, + { "readlink", __PNR_readlink }, + { "readlinkat", 78 }, + { "readv", 65 }, + { "reboot", 142 }, + { "recv", __PNR_recv }, + { "recvfrom", 207 }, + { "recvmmsg", 243 }, + { "recvmmsg_time64", __PNR_recvmmsg_time64 }, + { "recvmsg", 212 }, + { "remap_file_pages", 234 }, + { "removexattr", 14 }, + { "rename", __PNR_rename }, + { "renameat", __PNR_renameat }, + { "renameat2", 276 }, + { "request_key", 218 }, + { "restart_syscall", 128 }, + { "rmdir", __PNR_rmdir }, + { "riscv_flush_icache", 244 }, + { "rseq", 293 }, + { "rt_sigaction", 134 }, + { "rt_sigpending", 136 }, + { "rt_sigprocmask", 135 }, + { "rt_sigqueueinfo", 138 }, + { "rt_sigreturn", 139 }, + { "rt_sigsuspend", 133 }, + { "rt_sigtimedwait", 137 }, + { "rt_sigtimedwait_time64", __PNR_rt_sigtimedwait_time64 }, + { "rt_tgsigqueueinfo", 240 }, + { "rtas", __PNR_rtas }, + { "s390_guarded_storage", __PNR_s390_guarded_storage }, + { "s390_pci_mmio_read", __PNR_s390_pci_mmio_read }, + { "s390_pci_mmio_write", __PNR_s390_pci_mmio_write }, + { "s390_runtime_instr", __PNR_s390_runtime_instr }, + { "s390_sthyi", __PNR_s390_sthyi }, + { "sched_get_priority_max", 125 }, + { "sched_get_priority_min", 126 }, + { "sched_getaffinity", 123 }, + { "sched_getattr", 275 }, + { "sched_getparam", 121 }, + { "sched_getscheduler", 120 }, + { "sched_rr_get_interval", 127 }, + { "sched_rr_get_interval_time64", __PNR_sched_rr_get_interval_time64 }, + { "sched_setaffinity", 122 }, + { "sched_setattr", 274 }, + { "sched_setparam", 118 }, + { "sched_setscheduler", 119 }, + { "sched_yield", 124 }, + { "seccomp", 277 }, + { "security", __PNR_security }, + { "select", __PNR_select }, + { "semctl", 191 }, + { "semget", 190 }, + { "semop", 193 }, + { "semtimedop", 192 }, + { "semtimedop_time64", __PNR_semtimedop_time64 }, + { "send", __PNR_send }, + { "sendfile", 71 }, + { "sendfile64", __PNR_sendfile64 }, + { "sendmmsg", 269 }, + { "sendmsg", 211 }, + { "sendto", 206 }, + { "set_mempolicy", 237 }, + { "set_robust_list", 99 }, + { "set_thread_area", __PNR_set_thread_area }, + { "set_tid_address", 96 }, + { "set_tls", __PNR_set_tls }, + { "setdomainname", 162 }, + { "setfsgid", 152 }, + { "setfsgid32", __PNR_setfsgid32 }, + { "setfsuid", 151 }, + { "setfsuid32", __PNR_setfsuid32 }, + { "setgid", 144 }, + { "setgid32", __PNR_setgid32 }, + { "setgroups", 159 }, + { "setgroups32", __PNR_setgroups32 }, + { "sethostname", 161 }, + { "setitimer", 103 }, + { "setns", 268 }, + { "setpgid", 154 }, + { "setpriority", 140 }, + { "setregid", 143 }, + { "setregid32", __PNR_setregid32 }, + { "setresgid", 149 }, + { "setresgid32", __PNR_setresgid32 }, + { "setresuid", 147 }, + { "setresuid32", __PNR_setresuid32 }, + { "setreuid", 145 }, + { "setreuid32", __PNR_setreuid32 }, + { "setrlimit", 164 }, + { "setsid", 157 }, + { "setsockopt", 208 }, + { "settimeofday", 170 }, + { "setuid", 146 }, + { "setuid32", __PNR_setuid32 }, + { "setxattr", 5 }, + { "sgetmask", __PNR_sgetmask }, + { "shmat", 196 }, + { "shmctl", 195 }, + { "shmdt", 197 }, + { "shmget", 194 }, + { "shutdown", 210 }, + { "sigaction", __PNR_sigaction }, + { "sigaltstack", 132 }, + { "signal", __PNR_signal }, + { "signalfd", __PNR_signalfd }, + { "signalfd4", 74 }, + { "sigpending", __PNR_sigpending }, + { "sigprocmask", __PNR_sigprocmask }, + { "sigreturn", __PNR_sigreturn }, + { "sigsuspend", __PNR_sigsuspend }, + { "socket", 198 }, + { "socketcall", __PNR_socketcall }, + { "socketpair", 199 }, + { "splice", 76 }, + { "spu_create", __PNR_spu_create }, + { "spu_run", __PNR_spu_run }, + { "ssetmask", __PNR_ssetmask }, + { "stat", __PNR_stat }, + { "stat64", __PNR_stat64 }, + { "statfs", 43 }, + { "statfs64", __PNR_statfs64 }, + { "statx", 291 }, + { "stime", __PNR_stime }, + { "stty", __PNR_stty }, + { "subpage_prot", __PNR_subpage_prot }, + { "swapcontext", __PNR_swapcontext }, + { "swapoff", 225 }, + { "swapon", 224 }, + { "switch_endian", __PNR_switch_endian }, + { "symlink", __PNR_symlink }, + { "symlinkat", 36 }, + { "sync", 81 }, + { "sync_file_range", 84 }, + { "sync_file_range2", __PNR_sync_file_range2 }, + { "syncfs", 267 }, + { "syscall", __PNR_syscall }, + { "sys_debug_setcontext", __PNR_sys_debug_setcontext }, + { "sysfs", __PNR_sysfs }, + { "sysinfo", 179 }, + { "syslog", 116 }, + { "sysmips", __PNR_sysmips }, + { "tee", 77 }, + { "tgkill", 131 }, + { "time", __PNR_time }, + { "timer_create", 107 }, + { "timer_delete", 111 }, + { "timer_getoverrun", 109 }, + { "timer_gettime", 108 }, + { "timer_gettime64", __PNR_timer_gettime64 }, + { "timer_settime", 110 }, + { "timer_settime64", __PNR_timer_settime64 }, + { "timerfd", __PNR_timerfd }, + { "timerfd_create", 85 }, + { "timerfd_gettime", 87 }, + { "timerfd_gettime64", __PNR_timerfd_gettime64 }, + { "timerfd_settime", 86 }, + { "timerfd_settime64", __PNR_timerfd_settime64 }, + { "times", 153 }, + { "tkill", 130 }, + { "truncate", 45 }, + { "truncate64", __PNR_truncate64 }, + { "tuxcall", __PNR_tuxcall }, + { "ugetrlimit", __PNR_ugetrlimit }, + { "ulimit", __PNR_ulimit }, + { "umask", 166 }, + { "umount", __PNR_umount }, + { "umount2", 39 }, + { "uname", 160 }, + { "unlink", __PNR_unlink }, + { "unlinkat", 35 }, + { "unshare", 97 }, + { "uselib", __PNR_uselib }, + { "userfaultfd", 282 }, + { "usr26", __PNR_usr26 }, + { "usr32", __PNR_usr32 }, + { "ustat", __PNR_ustat }, + { "utime", __PNR_utime }, + { "utimensat", 88 }, + { "utimensat_time64", __PNR_utimensat_time64 }, + { "utimes", __PNR_utimes }, + { "vfork", __PNR_vfork }, + { "vhangup", 58 }, + { "vm86", __PNR_vm86 }, + { "vm86old", __PNR_vm86old }, + { "vmsplice", 75 }, + { "vserver", __PNR_vserver }, + { "wait4", 260 }, + { "waitid", 95 }, + { "waitpid", __PNR_waitpid }, + { "write", 64 }, + { "writev", 66 }, + { 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 riscv64_syscall_resolve_name(const char *name) +{ + unsigned int iter; + const struct arch_syscall_def *table = riscv64_syscall_table; + + /* XXX - plenty of room for future improvement here */ + 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 *riscv64_syscall_resolve_num(int num) +{ + unsigned int iter; + const struct arch_syscall_def *table = riscv64_syscall_table; + + /* XXX - plenty of room for future improvement here */ + 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 *riscv64_syscall_iterate(unsigned int spot) +{ + /* XXX - no safety checks here */ + return &riscv64_syscall_table[spot]; +} diff --git a/src/arch-riscv64.c b/src/arch-riscv64.c new file mode 100644 index 0000000..67bc926 --- /dev/null +++ b/src/arch-riscv64.c @@ -0,0 +1,31 @@ +/* + * This library is free software; you can redistribute it and/or modify it + * under the terms of version 2.1 of the GNU Lesser General Public License as + * published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, see <http://www.gnu.org/licenses>. + */ + +#include <stdlib.h> +#include <errno.h> +#include <linux/audit.h> + +#include "arch.h" +#include "arch-riscv64.h" + +const struct arch_def arch_def_riscv64 = { + .token = SCMP_ARCH_RISCV64, + .token_bpf = AUDIT_ARCH_RISCV64, + .size = ARCH_SIZE_64, + .endian = ARCH_ENDIAN_LITTLE, + .syscall_resolve_name = riscv64_syscall_resolve_name, + .syscall_resolve_num = riscv64_syscall_resolve_num, + .syscall_rewrite = NULL, + .rule_add = NULL, +}; diff --git a/src/arch-riscv64.h b/src/arch-riscv64.h new file mode 100644 index 0000000..16fca6b --- /dev/null +++ b/src/arch-riscv64.h @@ -0,0 +1,30 @@ +/* + * This library is free software; you can redistribute it and/or modify it + * under the terms of version 2.1 of the GNU Lesser General Public License as + * published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, see <http://www.gnu.org/licenses>. + */ + +#ifndef _ARCH_RISCV64_H +#define _ARCH_RISCV64_H + +#include <inttypes.h> + +#include "arch.h" +#include "system.h" + +extern const struct arch_def arch_def_riscv64; + +int riscv64_syscall_resolve_name(const char *name); +const char *riscv64_syscall_resolve_num(int num); + +const struct arch_syscall_def *riscv64_syscall_iterate(unsigned int spot); + +#endif @@ -41,6 +41,7 @@ #include "arch-parisc.h" #include "arch-ppc.h" #include "arch-ppc64.h" +#include "arch-riscv64.h" #include "arch-s390.h" #include "arch-s390x.h" #include "db.h" @@ -94,6 +95,8 @@ const struct arch_def *arch_def_native = &arch_def_ppc; const struct arch_def *arch_def_native = &arch_def_s390x; #elif __s390__ const struct arch_def *arch_def_native = &arch_def_s390; +#elif __riscv && __riscv_xlen == 64 +const struct arch_def *arch_def_native = &arch_def_riscv64; #else #error the arch code needs to know about your machine type #endif /* machine type guess */ @@ -156,6 +159,8 @@ const struct arch_def *arch_def_lookup(uint32_t token) return &arch_def_s390; case SCMP_ARCH_S390X: return &arch_def_s390x; + case SCMP_ARCH_RISCV64: + return &arch_def_riscv64; } return NULL; @@ -206,6 +211,8 @@ const struct arch_def *arch_def_lookup_name(const char *arch_name) return &arch_def_s390; else if (strcmp(arch_name, "s390x") == 0) return &arch_def_s390x; + else if (strcmp(arch_name, "riscv64") == 0) + return &arch_def_riscv64; return NULL; } diff --git a/src/gen_pfc.c b/src/gen_pfc.c index 75d8507..8186f0d 100644 --- a/src/gen_pfc.c +++ b/src/gen_pfc.c @@ -87,6 +87,8 @@ static const char *_pfc_arch(const struct arch_def *arch) return "s390x"; case SCMP_ARCH_S390: return "s390"; + case SCMP_ARCH_RISCV64: + return "riscv64"; default: return "UNKNOWN"; } diff --git a/src/python/libseccomp.pxd b/src/python/libseccomp.pxd index 8ae84d9..f1194b6 100644 --- a/src/python/libseccomp.pxd +++ b/src/python/libseccomp.pxd @@ -51,6 +51,7 @@ cdef extern from "seccomp.h": SCMP_ARCH_PPC64LE SCMP_ARCH_S390 SCMP_ARCH_S390X + SCMP_ARCH_RISCV64 cdef enum scmp_filter_attr: SCMP_FLTATR_ACT_DEFAULT diff --git a/src/python/seccomp.pyx b/src/python/seccomp.pyx index 44e4925..113fbf4 100644 --- a/src/python/seccomp.pyx +++ b/src/python/seccomp.pyx @@ -214,6 +214,7 @@ cdef class Arch: PARISC64 - 64-bit PA-RISC PPC64 - 64-bit PowerPC PPC - 32-bit PowerPC + RISCV64 - 64-bit RISC-V """ cdef int _token @@ -237,6 +238,7 @@ cdef class Arch: PPC64LE = libseccomp.SCMP_ARCH_PPC64LE S390 = libseccomp.SCMP_ARCH_S390 S390X = libseccomp.SCMP_ARCH_S390X + RISCV64 = libseccomp.SCMP_ARCH_RISCV64 def __cinit__(self, arch=libseccomp.SCMP_ARCH_NATIVE): """ Initialize the architecture object. diff --git a/src/system.c b/src/system.c index 8e5aafc..bcd7e3c 100644 --- a/src/system.c +++ b/src/system.c @@ -80,6 +80,7 @@ int sys_chk_seccomp_syscall(void) case SCMP_ARCH_PPC64LE: case SCMP_ARCH_S390: case SCMP_ARCH_S390X: + case SCMP_ARCH_RISCV64: break; default: goto unsupported; diff --git a/tests/15-basic-resolver.c b/tests/15-basic-resolver.c index 0c1eefe..2679270 100644 --- a/tests/15-basic-resolver.c +++ b/tests/15-basic-resolver.c @@ -45,6 +45,7 @@ unsigned int arch_list[] = { SCMP_ARCH_S390X, SCMP_ARCH_PARISC, SCMP_ARCH_PARISC64, + SCMP_ARCH_RISCV64, -1 }; diff --git a/tests/16-sim-arch_basic.c b/tests/16-sim-arch_basic.c index 5413e18..0b141e1 100644 --- a/tests/16-sim-arch_basic.c +++ b/tests/16-sim-arch_basic.c @@ -92,6 +92,9 @@ int main(int argc, char *argv[]) rc = seccomp_arch_add(ctx, SCMP_ARCH_PPC64LE); if (rc != 0) goto out; + rc = seccomp_arch_add(ctx, SCMP_ARCH_RISCV64); + if (rc != 0) + goto out; rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(read), 1, SCMP_A0(SCMP_CMP_EQ, STDIN_FILENO)); @@ -156,6 +159,9 @@ int main(int argc, char *argv[]) rc = seccomp_arch_remove(ctx, SCMP_ARCH_PPC64LE); if (rc != 0) goto out; + rc = seccomp_arch_remove(ctx, SCMP_ARCH_RISCV64); + if (rc != 0) + goto out; out: seccomp_release(ctx); diff --git a/tests/16-sim-arch_basic.py b/tests/16-sim-arch_basic.py index 7d7a05f..846553f 100755 --- a/tests/16-sim-arch_basic.py +++ b/tests/16-sim-arch_basic.py @@ -44,6 +44,7 @@ def test(args): f.add_arch(Arch("mipsel64")) f.add_arch(Arch("mipsel64n32")) f.add_arch(Arch("ppc64le")) + f.add_arch(Arch("riscv64")) f.add_rule(ALLOW, "read", Arg(0, EQ, sys.stdin.fileno())) f.add_rule(ALLOW, "write", Arg(0, EQ, sys.stdout.fileno())) f.add_rule(ALLOW, "write", Arg(0, EQ, sys.stderr.fileno())) diff --git a/tests/23-sim-arch_all_le_basic.c b/tests/23-sim-arch_all_le_basic.c index 5672980..32739e5 100644 --- a/tests/23-sim-arch_all_le_basic.c +++ b/tests/23-sim-arch_all_le_basic.c @@ -71,6 +71,9 @@ int main(int argc, char *argv[]) rc = seccomp_arch_add(ctx, seccomp_arch_resolve_name("ppc64le")); if (rc != 0) goto out; + rc = seccomp_arch_add(ctx, seccomp_arch_resolve_name("riscv64")); + if (rc != 0) + goto out; rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(read), 1, SCMP_A0(SCMP_CMP_EQ, STDIN_FILENO)); diff --git a/tests/23-sim-arch_all_le_basic.py b/tests/23-sim-arch_all_le_basic.py index 5927f37..33eedb1 100755 --- a/tests/23-sim-arch_all_le_basic.py +++ b/tests/23-sim-arch_all_le_basic.py @@ -40,6 +40,7 @@ def test(args): f.add_arch(Arch("mipsel64")) f.add_arch(Arch("mipsel64n32")) f.add_arch(Arch("ppc64le")) + f.add_arch(Arch("riscv64")) f.add_rule(ALLOW, "read", Arg(0, EQ, sys.stdin.fileno())) f.add_rule(ALLOW, "write", Arg(0, EQ, sys.stdout.fileno())) f.add_rule(ALLOW, "write", Arg(0, EQ, sys.stderr.fileno())) diff --git a/tests/regression b/tests/regression index 56822fb..ef98c3d 100755 --- a/tests/regression +++ b/tests/regression @@ -25,7 +25,8 @@ GLBL_ARCH_LE_SUPPORT=" \ x86 x86_64 x32 \ arm aarch64 \ mipsel mipsel64 mipsel64n32 \ - ppc64le" + ppc64le \ + riscv64" GLBL_ARCH_BE_SUPPORT=" \ mips mips64 mips64n32 \ parisc parisc64 \ @@ -46,6 +47,7 @@ GLBL_ARCH_64B_SUPPORT=" \ mips64 \ parisc64 \ ppc64 \ + riscv64 \ s390x" GLBL_SYS_ARCH="../tools/scmp_arch_detect" @@ -777,7 +779,7 @@ function run_test_live() { # setup the arch specific return values case "$arch" in - x86|x86_64|x32|arm|aarch64|parisc|parisc64|ppc|ppc64|ppc64le|ppc|s390|s390x) + x86|x86_64|x32|arm|aarch64|parisc|parisc64|ppc|ppc64|ppc64le|ppc|s390|s390x|riscv64) rc_kill_process=159 rc_kill=159 rc_allow=160 diff --git a/tools/scmp_arch_detect.c b/tools/scmp_arch_detect.c index ad43f2d..b844a68 100644 --- a/tools/scmp_arch_detect.c +++ b/tools/scmp_arch_detect.c @@ -120,6 +120,9 @@ int main(int argc, char *argv[]) case SCMP_ARCH_S390X: printf("s390x\n"); break; + case SCMP_ARCH_RISCV64: + printf("riscv64\n"); + break; default: printf("unknown\n"); } diff --git a/tools/scmp_bpf_disasm.c b/tools/scmp_bpf_disasm.c index 27fba9a..5c914b4 100644 --- a/tools/scmp_bpf_disasm.c +++ b/tools/scmp_bpf_disasm.c @@ -508,6 +508,8 @@ int main(int argc, char *argv[]) arch = AUDIT_ARCH_S390; else if (strcmp(optarg, "s390x") == 0) arch = AUDIT_ARCH_S390X; + else if (strcmp(optarg, "riscv64") == 0) + arch = AUDIT_ARCH_RISCV64; else exit_usage(argv[0]); break; diff --git a/tools/scmp_bpf_sim.c b/tools/scmp_bpf_sim.c index 4d30822..a381314 100644 --- a/tools/scmp_bpf_sim.c +++ b/tools/scmp_bpf_sim.c @@ -285,6 +285,8 @@ int main(int argc, char *argv[]) arch = AUDIT_ARCH_S390; else if (strcmp(optarg, "s390x") == 0) arch = AUDIT_ARCH_S390X; + else if (strcmp(optarg, "riscv64") == 0) + arch = AUDIT_ARCH_RISCV64; else exit_fault(EINVAL); break; diff --git a/tools/util.c b/tools/util.c index 7122335..741b2a2 100644 --- a/tools/util.c +++ b/tools/util.c @@ -78,6 +78,8 @@ #define ARCH_NATIVE AUDIT_ARCH_S390X #elif __s390__ #define ARCH_NATIVE AUDIT_ARCH_S390 +#elif __riscv && __riscv_xlen == 64 +#define ARCH_NATIVE AUDIT_ARCH_RISCV64 #else #error the simulator code needs to know about your machine type #endif diff --git a/tools/util.h b/tools/util.h index 08c4839..6c2ca33 100644 --- a/tools/util.h +++ b/tools/util.h @@ -72,6 +72,13 @@ #define AUDIT_ARCH_PPC64LE (EM_PPC64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) #endif +#ifndef AUDIT_ARCH_RISCV64 +#ifndef EM_RISCV +#define EM_RISCV 243 +#endif /* EM_RISCV */ +#define AUDIT_ARCH_RISCV64 (EM_RISCV|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) +#endif /* AUDIT_ARCH_RISCV64 */ + extern uint32_t arch; uint16_t ttoh16(uint32_t arch, uint16_t val); |