diff options
author | Jakob Unterwurzacher | 2015-10-11 17:14:18 +0200 |
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committer | Jakob Unterwurzacher | 2015-10-11 17:14:18 +0200 |
commit | 5dc7e44aa2cb6527b0e2f4e7108c8cbd7c2a72c1 (patch) | |
tree | 30c9c35c0aaa5646ba90fee3efdfe4ea62550fed /gocryptfs_main/sendsig.go | |
parent | 6825d0e7406b8e761daca63770e28842bed5fd85 (diff) |
Move main files to top level dir
This is in preparation of getting rid of the shell wrapper
Diffstat (limited to 'gocryptfs_main/sendsig.go')
-rw-r--r-- | gocryptfs_main/sendsig.go | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/gocryptfs_main/sendsig.go b/gocryptfs_main/sendsig.go deleted file mode 100644 index d0e1cbb..0000000 --- a/gocryptfs_main/sendsig.go +++ /dev/null @@ -1,42 +0,0 @@ -package main - -import ( - "bytes" - "fmt" - "io/ioutil" - "os" - "syscall" -) - -// cmdline looks like this: /bin/bash \0 /path/to/gocryptfs \0 --zerokey \0 ... -const ( - WRAPPER_PREFIX = "/bin/bash\000" - WRAPPER_CONTAINS = "gocryptfs\000" -) - -// Send USR1 to the "gocryptfs" wrapper shell script. This notifies it that the -// mounting has completed sucessfully. -// -// Checks /proc/$PPID/cmdline to make sure we do not kill an unrelated process. -func sendSig() { - ppid := os.Getppid() - fn := fmt.Sprintf("/proc/%d/cmdline", ppid) - cmdline, err := ioutil.ReadFile(fn) - if err != nil { - fmt.Printf("sendSig: ReadFile: %v\n", err) - return - } - if bytes.HasPrefix(cmdline, []byte(WRAPPER_PREFIX)) && bytes.Contains(cmdline, []byte(WRAPPER_CONTAINS)) { - p, err := os.FindProcess(ppid) - if err != nil { - fmt.Printf("sendSig: FindProcess: %v\n", err) - return - } - err = p.Signal(syscall.SIGUSR1) - if err != nil { - fmt.Printf("sendSig: Signal: %v\n", err) - } - } else { - fmt.Printf("Not running under the gocryptfs wrapper - will not daemonize\n") - } -} |