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commit: ce0656337268601aeadff091ea4f683eeea16148 |
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Author: Zac Medico <zmedico <AT> gentoo <DOT> org> |
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AuthorDate: Sun Jan 27 20:24:55 2019 +0000 |
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Commit: Zac Medico <zmedico <AT> gentoo <DOT> org> |
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CommitDate: Sun Jan 27 20:45:53 2019 +0000 |
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URL: https://gitweb.gentoo.org/proj/portage.git/commit/?id=ce065633 |
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|
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pid-sandbox: pid-ns-init TIOCSCTTY after setsid (bug 675868) |
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|
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Set the controlling terminal to the stdout pty after calling setsid, |
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in order to avoid "No such device or address" ENXIO errors when |
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attempting to open /dev/tty. |
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|
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Bug: https://bugs.gentoo.org/675868 |
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Signed-off-by: Zac Medico <zmedico <AT> gentoo.org> |
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|
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bin/pid-ns-init | 13 +++++++++++++ |
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1 file changed, 13 insertions(+) |
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|
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diff --git a/bin/pid-ns-init b/bin/pid-ns-init |
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index f01d69fc2..d8e67cf6d 100644 |
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--- a/bin/pid-ns-init |
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+++ b/bin/pid-ns-init |
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@@ -3,12 +3,14 @@ |
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# Distributed under the terms of the GNU General Public License v2 |
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|
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import errno |
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+import fcntl |
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import functools |
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import os |
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import platform |
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import signal |
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import subprocess |
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import sys |
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+import termios |
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|
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|
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KILL_SIGNALS = ( |
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@@ -75,6 +77,17 @@ def main(argv): |
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# Isolate parent process from process group SIGSTOP (bug 675870) |
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setsid = True |
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os.setsid() |
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+ if sys.stdout.isatty(): |
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+ try: |
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+ fcntl.ioctl(sys.stdout, termios.TIOCSCTTY, 0) |
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+ except OSError as e: |
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+ if e.errno == errno.EPERM: |
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+ # This means that stdout refers to the controlling terminal |
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+ # of the parent process, and in this case we do not want to |
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+ # steel it. |
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+ pass |
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+ else: |
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+ raise |
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proc = subprocess.Popen(args, executable=binary, **popen_kwargs) |
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main_child_pid = proc.pid |