diff options
Diffstat (limited to 'vendor/github.com/mattermost/rsc/fuse/mount_linux.go')
-rw-r--r-- | vendor/github.com/mattermost/rsc/fuse/mount_linux.go | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/vendor/github.com/mattermost/rsc/fuse/mount_linux.go b/vendor/github.com/mattermost/rsc/fuse/mount_linux.go deleted file mode 100644 index e5bc58b8a..000000000 --- a/vendor/github.com/mattermost/rsc/fuse/mount_linux.go +++ /dev/null @@ -1,67 +0,0 @@ -// Copyright 2012 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package fuse - -import ( - "fmt" - "net" - "os" - "os/exec" - "syscall" -) - -func mount(dir string) (fusefd int, errmsg string) { - fds, err := syscall.Socketpair(syscall.AF_FILE, syscall.SOCK_STREAM, 0) - if err != nil { - return -1, fmt.Sprintf("socketpair error: %v", err) - } - defer syscall.Close(fds[0]) - defer syscall.Close(fds[1]) - - cmd := exec.Command("/bin/fusermount", "--", dir) - cmd.Env = append(os.Environ(), "_FUSE_COMMFD=3") - - writeFile := os.NewFile(uintptr(fds[0]), "fusermount-child-writes") - defer writeFile.Close() - cmd.ExtraFiles = []*os.File{writeFile} - - out, err := cmd.CombinedOutput() - if len(out) > 0 || err != nil { - return -1, fmt.Sprintf("fusermount: %q, %v", out, err) - } - - readFile := os.NewFile(uintptr(fds[1]), "fusermount-parent-reads") - defer readFile.Close() - c, err := net.FileConn(readFile) - if err != nil { - return -1, fmt.Sprintf("FileConn from fusermount socket: %v", err) - } - defer c.Close() - - uc, ok := c.(*net.UnixConn) - if !ok { - return -1, fmt.Sprintf("unexpected FileConn type; expected UnixConn, got %T", c) - } - - buf := make([]byte, 32) // expect 1 byte - oob := make([]byte, 32) // expect 24 bytes - _, oobn, _, _, err := uc.ReadMsgUnix(buf, oob) - scms, err := syscall.ParseSocketControlMessage(oob[:oobn]) - if err != nil { - return -1, fmt.Sprintf("ParseSocketControlMessage: %v", err) - } - if len(scms) != 1 { - return -1, fmt.Sprintf("expected 1 SocketControlMessage; got scms = %#v", scms) - } - scm := scms[0] - gotFds, err := syscall.ParseUnixRights(&scm) - if err != nil { - return -1, fmt.Sprintf("syscall.ParseUnixRights: %v", err) - } - if len(gotFds) != 1 { - return -1, fmt.Sprintf("wanted 1 fd; got %#v", gotFds) - } - return gotFds[0], "" -} |