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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/man1/newgidmap.1 | |
| 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/man1/newgidmap.1')
| -rw-r--r-- | man/man1/newgidmap.1 | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/man/man1/newgidmap.1 b/man/man1/newgidmap.1 index c60cf7f..7328aef 100644 --- a/man/man1/newgidmap.1 +++ b/man/man1/newgidmap.1 @@ -2,12 +2,12 @@ .\" Title: newgidmap .\" Author: Eric Biederman .\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/> -.\" Date: 11/08/2022 +.\" Date: 06/21/2024 .\" Manual: User Commands -.\" Source: shadow-utils 4.13 +.\" Source: shadow-utils 4.15.2 .\" Language: English .\" -.TH "NEWGIDMAP" "1" "11/08/2022" "shadow\-utils 4\&.13" "User Commands" +.TH "NEWGIDMAP" "1" "06/21/2024" "shadow\-utils 4\&.15\&.2" "User Commands" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- @@ -74,6 +74,16 @@ before setting /proc/[pid]/gid_map\&. .PP Note that newgidmap may be used only once for a given process\&. +.PP +Instead of an integer process id, the first argument may be specified as +\fIfd:N\fR, where the integer N is the file descriptor number for the calling process\*(Aqs opened file descriptor for the directory +/proc/[pid]\&. In this case, +\fBnewgidmap\fR +will use +openat(2) +to open the +gid_map +file under that directory, avoiding a TOCTTOU in case the process exits and the pid is immediately reused\&. .SH "OPTIONS" .PP There currently are no options to the |