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Alejandro Colomar 5da8388fc6 ttytype(): Fix race 
The intention of the code is just to not report an error message when
'typefile' doesn't exist.  If we call access(2) and then fopen(2),
there's a race.  It's not a huge problem, and the worst thing that can
happen is reporting an error when the file has been removed after
access(2).  It's not a problem, but we can fix the race and at the same
time clarify the intention of not warning about ENOENT and also remove
one syscall.  Seems like a win-win.

Suggested-by: Christian Göttsche <cgzones@googlemail.com>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
2023-02-09 10:03:03 -06:00
.builds CI: add libbsd and pkg-config dependencies 2022-11-28 09:07:41 -06:00
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doc Remove traces of utmpx 2022-12-22 10:31:43 +01:00
docs fix spelling and unify whitespace 2021-08-18 18:06:02 +00:00
etc fix PAM service files --without-selinux 2022-03-04 08:51:20 -06:00
lib Remove superfluous casts 2023-02-09 10:03:03 -06:00
libmisc ttytype(): Fix race 2023-02-09 10:03:03 -06:00
libsubid Remove superfluous casts 2023-02-09 10:03:03 -06:00
man Improve TTYGROUP description in login.defs manpage 2023-02-02 22:03:45 -06:00
po Assume getutent(3) exists (remove dead code) 2023-02-08 17:21:34 +01:00
src Remove superfluous casts 2023-02-09 10:03:03 -06:00
tests tests: print default timeout message to stderr 2023-02-09 09:55:04 -06:00
.gitignore Show libsubid api version in subid.h 2021-12-05 08:02:57 -06:00
.travis.yml subids: support nsswitch 2021-04-16 21:02:37 -05:00
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ChangeLog fix typo 2023-01-12 12:10:57 +01:00
configure.ac Assume getutent(3) exists (remove dead code) 2023-02-08 17:21:34 +01:00
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Makefile.am fix spelling and unify whitespace 2021-08-18 18:06:02 +00:00
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README Add README as symlink to README.md 2021-12-19 14:09:08 -06:00
README.md README: update content and format 2021-11-22 15:31:54 +01:00
SECURITY.md Add Christian Brauner to SECURITY.md 2021-10-25 14:26:37 -05:00
shadow.spec.in * shadow.spec.in: Fix the source (new FTP). 2008-08-31 17:30:45 +00:00
TODO fix spelling and unify whitespace 2021-08-18 18:06:02 +00:00

README.md

shadow-utils

Introduction

The shadow-utils package includes the necessary programs for converting UNIX password files to the shadow password format, plus programs for managing user and group accounts. The pwconv command converts passwords to the shadow password format. The pwunconv command unconverts shadow passwords and generates a passwd file (a standard UNIX password file). The pwck command checks the integrity of password and shadow files. The lastlog command prints out the last login times for all users. The useradd, userdel, and usermod commands are used for managing user accounts. The groupadd, groupdel, and groupmod commands are used for managing group accounts.

Sites

Contacts

There are several ways to contact us:

Mailing archives

Authors and maintainers

Authors and maintainers are listed in AUTHORS.md.