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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-26 16:18:36 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-26 16:18:36 +0000 |
| commit | 6c3ea4f47ea280811a7fe53a22f7832e4533c9ec (patch) | |
| tree | 3d7ed5da23b5dbf6f9e450dfb61642832249c31e /man/newgidmap.1.xml | |
| parent | Adding upstream version 1:4.13+dfsg1. (diff) | |
| download | shadow-upstream/1%4.15.2.tar.xz shadow-upstream/1%4.15.2.zip | |
Adding upstream version 1:4.15.2.upstream/1%4.15.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | man/newgidmap.1.xml | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/man/newgidmap.1.xml b/man/newgidmap.1.xml index e4ebc69..e5b770e 100644 --- a/man/newgidmap.1.xml +++ b/man/newgidmap.1.xml @@ -116,6 +116,17 @@ <para> Note that newgidmap may be used only once for a given process. </para> + <para> + Instead of an integer process id, the first argument may be + specified as <replaceable>fd:N</replaceable>, where the integer N + is the file descriptor number for the calling process's opened + file descriptor for the directory <filename>/proc/[pid]</filename>. + In this case, <command>newgidmap</command> will use + <refentrytitle>openat</refentrytitle><manvolnum>2</manvolnum> + to open the <filename>gid_map</filename> file under that + directory, avoiding a TOCTTOU in case the process exits and + the pid is immediately reused. + </para> </refsect1> |