touch-packages team mailing list archive

[Matt Day <1045786@xxxxxxxxxxxxxxxxxx>]

I looked into this briefly, and I think I've spotted the problem.

In the `shadow` package, version 4.1.5.1, the `debian/patches
/495_stdout-encrypted-password` patch does not cause the call to
`do_pam_passwd_non_interractive()` to be avoided when the -S option has
been given, indicating `use_stdout = TRUE`.

I am not familiar with this code at all, but I looked into
`do_pam_passwd_non_interractive()` (`shadow` package file
`libmisc/pam_pass_non_interractive.c`) and it only seems to be doing PAM
updating stuff that shouldn't be happening when -S has been specified.

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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:
  Confirmed

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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