[Bug 1045786] [NEW] chpasswd -S does not operate according to documented behaviour
James Dingwall
james-launchpad at dingwall.me.uk
Tue Sep 4 12:05:38 UTC 2012
Public bug reported:
# lsb_release -rd
Description: Ubuntu 12.04.1 LTS
Release: 12.04
# apt-cache policy passwd
passwd:
Installed: 1:4.1.4.2+svn3283-3ubuntu5
Candidate: 1:4.1.4.2+svn3283-3ubuntu5
Version table:
*** 1:4.1.4.2+svn3283-3ubuntu5 0
500 http://10.0.0.1/ubuntu/ precise/main amd64 Packages
100 /var/lib/dpkg/status
According to the chpasswd(8) man page this should be the behaviour of chpasswd with the -S option.
-S, --stdout
Report encrypted passwords to stdout instead of updating password
file.
However in this version of the package with -S or --stdout the encrypted
password is not echoed to the console and the password file is updated.
Test case:
# grep ^user /etc/shadow ; echo user:newpass | chpasswd -S ; grep ^user /etc/shadow
user:$6$0pDpHiAG$e9Ks1Y8MwixB2rwdYCv0/abhTdTsWo5hEdLdOD85NHMovlPbQ.lWD163l1xgNipsZkzgSIzJarbnjK6xwywMf.:15587:0:99999:7:::
user:$6$A15jTQUz$BJDqOMNV4WE2.SVwJ5DmaH7FoJC7p9Zlf5JpR.Cq.mV9ViBmrn.JNgrAv1nk4PdriKlANWeckGD/6nrNAES9G1:15587:0:99999:7:::
** Affects: shadow (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1045786
Title:
chpasswd -S does not operate according to documented behaviour
Status in “shadow” package in Ubuntu:
New
Bug description:
# lsb_release -rd
Description: Ubuntu 12.04.1 LTS
Release: 12.04
# apt-cache policy passwd
passwd:
Installed: 1:4.1.4.2+svn3283-3ubuntu5
Candidate: 1:4.1.4.2+svn3283-3ubuntu5
Version table:
*** 1:4.1.4.2+svn3283-3ubuntu5 0
500 http://10.0.0.1/ubuntu/ precise/main amd64 Packages
100 /var/lib/dpkg/status
According to the chpasswd(8) man page this should be the behaviour of chpasswd with the -S option.
-S, --stdout
Report encrypted passwords to stdout instead of updating password
file.
However in this version of the package with -S or --stdout the
encrypted password is not echoed to the console and the password file
is updated.
Test case:
# grep ^user /etc/shadow ; echo user:newpass | chpasswd -S ; grep ^user /etc/shadow
user:$6$0pDpHiAG$e9Ks1Y8MwixB2rwdYCv0/abhTdTsWo5hEdLdOD85NHMovlPbQ.lWD163l1xgNipsZkzgSIzJarbnjK6xwywMf.:15587:0:99999:7:::
user:$6$A15jTQUz$BJDqOMNV4WE2.SVwJ5DmaH7FoJC7p9Zlf5JpR.Cq.mV9ViBmrn.JNgrAv1nk4PdriKlANWeckGD/6nrNAES9G1:15587:0:99999:7:::
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