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| author | Ian Lance Taylor <ian@gcc.gnu.org> | 2013-01-29 20:52:43 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2013-01-29 20:52:43 +0000 |
| commit | d6f2922e91928b5191a5c5f1b3a6b320712b5ce3 (patch) | |
| tree | 4f2fad1f4b778519bdd5941185c7e1d032af055b /libgo/go/syscall/sockcmsg_linux.go | |
| parent | 91bfca59095b1cca9d4364996866848eaaf76c26 (diff) | |
| download | gcc-d6f2922e91928b5191a5c5f1b3a6b320712b5ce3.zip gcc-d6f2922e91928b5191a5c5f1b3a6b320712b5ce3.tar.gz gcc-d6f2922e91928b5191a5c5f1b3a6b320712b5ce3.tar.bz2 | |
libgo: Update Go library to master revision 15489/921e53d4863c.
From-SVN: r195560
Diffstat (limited to 'libgo/go/syscall/sockcmsg_linux.go')
| -rw-r--r-- | libgo/go/syscall/sockcmsg_linux.go | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/libgo/go/syscall/sockcmsg_linux.go b/libgo/go/syscall/sockcmsg_linux.go index 0b4caa1..a2e26a1 100644 --- a/libgo/go/syscall/sockcmsg_linux.go +++ b/libgo/go/syscall/sockcmsg_linux.go @@ -6,33 +6,31 @@ package syscall -import ( - "unsafe" -) +import "unsafe" // UnixCredentials encodes credentials into a socket control message // for sending to another process. This can be used for // authentication. func UnixCredentials(ucred *Ucred) []byte { - buf := make([]byte, CmsgSpace(SizeofUcred)) - cmsg := (*Cmsghdr)(unsafe.Pointer(&buf[0])) - cmsg.Level = SOL_SOCKET - cmsg.Type = SCM_CREDENTIALS - cmsg.SetLen(CmsgLen(SizeofUcred)) - *((*Ucred)(cmsgData(cmsg))) = *ucred - return buf + b := make([]byte, CmsgSpace(SizeofUcred)) + h := (*Cmsghdr)(unsafe.Pointer(&b[0])) + h.Level = SOL_SOCKET + h.Type = SCM_CREDENTIALS + h.SetLen(CmsgLen(SizeofUcred)) + *((*Ucred)(cmsgData(h))) = *ucred + return b } // ParseUnixCredentials decodes a socket control message that contains // credentials in a Ucred structure. To receive such a message, the // SO_PASSCRED option must be enabled on the socket. -func ParseUnixCredentials(msg *SocketControlMessage) (*Ucred, error) { - if msg.Header.Level != SOL_SOCKET { +func ParseUnixCredentials(m *SocketControlMessage) (*Ucred, error) { + if m.Header.Level != SOL_SOCKET { return nil, EINVAL } - if msg.Header.Type != SCM_CREDENTIALS { + if m.Header.Type != SCM_CREDENTIALS { return nil, EINVAL } - ucred := *(*Ucred)(unsafe.Pointer(&msg.Data[0])) + ucred := *(*Ucred)(unsafe.Pointer(&m.Data[0])) return &ucred, nil } |