githubmirror/libseccomp

tests/38-basic-pfc_coverage.pfc
134 строки4 KB
Paul Moore
tests: update 38-basic-pfc_coverage
14 мар 2019, 16:51
14 мар 2019, 16:512878b8b
#
# pseudo filter code start
#
# filter for arch x86_64 (3221225534)
if ($arch == 3221225534)
  # filter for syscall "exit" (60) [priority: 65535]
  if ($syscall == 60)
    action TRACE(1);
  # filter for syscall "fstat" (5) [priority: 65535]
  if ($syscall == 5)
    action KILL_PROCESS;
  # filter for syscall "close" (3) [priority: 65535]
  if ($syscall == 3)
    action ERRNO(1);
  # filter for syscall "open" (2) [priority: 65535]
  if ($syscall == 2)
    action KILL;
  # filter for syscall "write" (1) [priority: 65527]
  if ($syscall == 1)
    if ($a0.hi32 == 0)
      if ($a0.lo32 == 0)
      else
        if ($a1.hi32 > 0)
        else
          if ($a1.hi32 == 0)
            if ($a1.lo32 > 1)
            else
              if ($a2.hi32 > 0)
              else
                if ($a2.hi32 == 0)
                  if ($a2.lo32 >= 2)
                  else
                    action TRAP;
                else
                  action TRAP;
          else
            if ($a2.hi32 > 0)
            else
              if ($a2.hi32 == 0)
                if ($a2.lo32 >= 2)
                else
                  action TRAP;
              else
                action TRAP;
    else
      if ($a1.hi32 > 0)
      else
        if ($a1.hi32 == 0)
          if ($a1.lo32 > 1)
          else
            if ($a2.hi32 > 0)
            else
              if ($a2.hi32 == 0)
                if ($a2.lo32 >= 2)
                else
                  action TRAP;
              else
                action TRAP;
        else
          if ($a2.hi32 > 0)
          else
            if ($a2.hi32 == 0)
              if ($a2.lo32 >= 2)
              else
                action TRAP;
            else
              action TRAP;
  # filter for syscall "read" (0) [priority: 65525]
  if ($syscall == 0)
    if ($a0.hi32 == 0)
      if ($a0.lo32 == 0)
        if ($a1.hi32 > 0)
          if ($a2.hi32 > 0)
            if ($a3.hi32 & 0x00000000 == 0)
              if ($a3.lo32 & 0x0000000f == 3)
                action KILL;
          else
            if ($a2.hi32 == 0)
              if ($a2.lo32 > 2)
                if ($a3.hi32 & 0x00000000 == 0)
                  if ($a3.lo32 & 0x0000000f == 3)
                    action KILL;
        else
          if ($a1.hi32 == 0)
            if ($a1.lo32 >= 1)
              if ($a2.hi32 > 0)
                if ($a3.hi32 & 0x00000000 == 0)
                  if ($a3.lo32 & 0x0000000f == 3)
                    action KILL;
              else
                if ($a2.hi32 == 0)
                  if ($a2.lo32 > 2)
                    if ($a3.hi32 & 0x00000000 == 0)
                      if ($a3.lo32 & 0x0000000f == 3)
                        action KILL;
  # default action
  action ALLOW;
# filter for arch x86 (1073741827)
if ($arch == 1073741827)
  # filter for syscall "fstat" (108) [priority: 65535]
  if ($syscall == 108)
    action KILL_PROCESS;
  # filter for syscall "close" (6) [priority: 65535]
  if ($syscall == 6)
    action ERRNO(1);
  # filter for syscall "open" (5) [priority: 65535]
  if ($syscall == 5)
    action KILL;
  # filter for syscall "exit" (1) [priority: 65535]
  if ($syscall == 1)
    action TRACE(1);
  # filter for syscall "write" (4) [priority: 65532]
  if ($syscall == 4)
    if ($a0 == 0)
    else
      if ($a1 > 1)
      else
        if ($a2 >= 2)
        else
          action TRAP;
  # filter for syscall "read" (3) [priority: 65531]
  if ($syscall == 3)
    if ($a0 == 0)
      if ($a1 >= 1)
        if ($a2 > 2)
          if ($a3 & 0x0000000f == 3)
            action KILL;
  # default action
  action ALLOW;
# invalid architecture action
action KILL;
#
# pseudo filter code end
#