diff options
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_linux.go')
-rw-r--r-- | vendor/golang.org/x/sys/unix/syscall_linux.go | 81 |
1 files changed, 54 insertions, 27 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux.go b/vendor/golang.org/x/sys/unix/syscall_linux.go index c011947..9737e08 100644 --- a/vendor/golang.org/x/sys/unix/syscall_linux.go +++ b/vendor/golang.org/x/sys/unix/syscall_linux.go @@ -551,6 +551,28 @@ func (sa *SockaddrALG) sockaddr() (unsafe.Pointer, _Socklen, error) { return unsafe.Pointer(&sa.raw), SizeofSockaddrALG, nil } +// SockaddrVM implements the Sockaddr interface for AF_VSOCK type sockets. +// SockaddrVM provides access to Linux VM sockets: a mechanism that enables +// bidirectional communication between a hypervisor and its guest virtual +// machines. +type SockaddrVM struct { + // CID and Port specify a context ID and port address for a VM socket. + // Guests have a unique CID, and hosts may have a well-known CID of: + // - VMADDR_CID_HYPERVISOR: refers to the hypervisor process. + // - VMADDR_CID_HOST: refers to other processes on the host. + CID uint32 + Port uint32 + raw RawSockaddrVM +} + +func (sa *SockaddrVM) sockaddr() (unsafe.Pointer, _Socklen, error) { + sa.raw.Family = AF_VSOCK + sa.raw.Port = sa.Port + sa.raw.Cid = sa.CID + + return unsafe.Pointer(&sa.raw), SizeofSockaddrVM, nil +} + func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, error) { switch rsa.Addr.Family { case AF_NETLINK: @@ -620,6 +642,14 @@ func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, error) { sa.Addr[i] = pp.Addr[i] } return sa, nil + + case AF_VSOCK: + pp := (*RawSockaddrVM)(unsafe.Pointer(rsa)) + sa := &SockaddrVM{ + CID: pp.Cid, + Port: pp.Port, + } + return sa, nil } return nil, EAFNOSUPPORT } @@ -714,6 +744,13 @@ func GetsockoptUcred(fd, level, opt int) (*Ucred, error) { return &value, err } +func GetsockoptTCPInfo(fd, level, opt int) (*TCPInfo, error) { + var value TCPInfo + vallen := _Socklen(SizeofTCPInfo) + err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen) + return &value, err +} + func SetsockoptIPMreqn(fd, level, opt int, mreq *IPMreqn) (err error) { return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq)) } @@ -851,6 +888,10 @@ func PtracePeekData(pid int, addr uintptr, out []byte) (count int, err error) { return ptracePeek(PTRACE_PEEKDATA, pid, addr, out) } +func PtracePeekUser(pid int, addr uintptr, out []byte) (count int, err error) { + return ptracePeek(PTRACE_PEEKUSR, pid, addr, out) +} + func ptracePoke(pokeReq int, peekReq int, pid int, addr uintptr, data []byte) (count int, err error) { // As for ptracePeek, we need to align our accesses to deal // with the possibility of straddling an invalid page. @@ -949,38 +990,24 @@ func Reboot(cmd int) (err error) { return reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, cmd, "") } -func clen(n []byte) int { - for i := 0; i < len(n); i++ { - if n[i] == 0 { - return i - } - } - return len(n) -} - func ReadDirent(fd int, buf []byte) (n int, err error) { return Getdents(fd, buf) } -func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) { - origlen := len(buf) - count = 0 - for max != 0 && len(buf) > 0 { - dirent := (*Dirent)(unsafe.Pointer(&buf[0])) - buf = buf[dirent.Reclen:] - if dirent.Ino == 0 { // File absent in directory. - continue - } - bytes := (*[10000]byte)(unsafe.Pointer(&dirent.Name[0])) - var name = string(bytes[0:clen(bytes[:])]) - if name == "." || name == ".." { // Useless names - continue - } - max-- - count++ - names = append(names, name) +func direntIno(buf []byte) (uint64, bool) { + return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino)) +} + +func direntReclen(buf []byte) (uint64, bool) { + return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen)) +} + +func direntNamlen(buf []byte) (uint64, bool) { + reclen, ok := direntReclen(buf) + if !ok { + return 0, false } - return origlen - len(buf), count, names + return reclen - uint64(unsafe.Offsetof(Dirent{}.Name)), true } //sys mount(source string, target string, fstype string, flags uintptr, data *byte) (err error) |