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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-26 16:18:39 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-26 16:18:39 +0000 |
| commit | 5242eef8fc54636a41701fd9d7083ba6e4a4e0b3 (patch) | |
| tree | e6a0980092957865a937cc0f34446df3d5194e99 /man/newuidmap.1.xml | |
| parent | Releasing progress-linux version 1:4.13+dfsg1-5~progress7.99u1. (diff) | |
| download | shadow-5242eef8fc54636a41701fd9d7083ba6e4a4e0b3.tar.xz shadow-5242eef8fc54636a41701fd9d7083ba6e4a4e0b3.zip | |
Merging upstream version 1:4.15.2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'man/newuidmap.1.xml')
| -rw-r--r-- | man/newuidmap.1.xml | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/man/newuidmap.1.xml b/man/newuidmap.1.xml index f5cb5b4..7aed0d5 100644 --- a/man/newuidmap.1.xml +++ b/man/newuidmap.1.xml @@ -116,6 +116,17 @@ <para> Note that newuidmap 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>newuidmap</command> will use + <refentrytitle>openat</refentrytitle><manvolnum>2</manvolnum> + to open the <filename>uid_map</filename> file under that + directory, avoiding a TOCTTOU in case the process exits and + the pid is immediately reused. + </para> </refsect1> <refsect1 id='options'> |