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Prevent sockets launched for IPC communication on linux from being inherited by processes launched from the GUI

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Previously only the listen socket was marked as CLOEXEC, now the actual
fd used for communication is also marked as CLOEXEC
This commit is contained in:
Kovid Goyal 2014-12-19 12:52:44 +05:30
parent 288ef018df
commit d23edad6b9
1 changed files with 7 additions and 0 deletions
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7
src/calibre/utils/ipc/server.py
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@ -112,6 +112,13 @@ if islinux:
self._listener._socket.shutdown(socket.SHUT_RDWR)
self._listener._socket.close()
def accept(self, *args, **kwargs):
ans = Listener.accept(self, *args, **kwargs)
fd = ans.fileno()
old_flags = fcntl.fcntl(fd, fcntl.F_GETFD)
fcntl.fcntl(fd, fcntl.F_SETFD, old_flags | fcntl.FD_CLOEXEC)
return ans
def create_listener(authkey, backlog=4):
# Use abstract named sockets on linux to avoid creating unnecessary temp files
global _name_counter