[Bug 1547629] Re: Using of IPv6 address in url for preseed file causes an error in installer

[Dimitri John Ledkov]

** Changed in: preseed (Ubuntu)
       Status: New => In Progress

** Changed in: preseed (Ubuntu)
     Assignee: (unassigned) => Dimitri John Ledkov (xnox)

** Changed in: debian-installer (Ubuntu)
       Status: New => Triaged

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Title:
  Using of IPv6 address in url for preseed file causes an error in
  installer

Status in debian-installer package in Ubuntu:
  Triaged
Status in preseed package in Ubuntu:
  In Progress
Status in preseed package in Debian:
  Fix Released

Bug description:
  == Comment: #0 - IRINA YASHINA - 2016-02-18 07:31:18 ==
  I tried to install Ubuntu16.04 with preseed file. 
  When IPv6 address was used in preseed/url:

  preseed/url=http://[fd00:9:152:48:1822:ffff:162:199]/ubuntu/ira/s83lp25.preseed

  the error message with wrong url appeared in installer (error scrinshot),
  the preseed file couldn't be used.

  In the syslog we can see the following messages with incorrectly
  changed url:

  Feb 18 07:33:31 main-menu[501]: DEBUG: resolver (libc6-udeb): package doesn't exist (ignored)
  Feb 18 07:33:31 main-menu[501]: INFO: Menu item 'network-preseed' selected
  Feb 18 07:34:48 main-menu[501]: (process:517): http://[fd00.boeblingen.de.ibm.com:9:152:48:1822:ffff:162:199]/ubuntu/ira/s83lp25.preseed: Invalid IPv6 numeric address.
  Feb 18 07:34:48 main-menu[501]: WARNING **: Configuring 'network-preseed' failed with error code 1
  Feb 18 07:34:48 main-menu[501]: WARNING **: Menu item 'network-preseed' failed.
  Feb 18 07:35:14 main-menu[501]: INFO: Modifying debconf priority limit from 'high' to 'medium'
  Feb 18 07:35:14 debconf: Setting debconf/priority to medium
  Feb 18 07:35:14 main-menu[501]: DEBUG: resolver (libc6-udeb): package doesn't exist (ignored)

  The syslog is attached.

  Here are the output of the 'fetch-url' and 'wget' commands in shell:

  ~ # fetch-url http://[fd00:9:152:48:1822:ffff:162:199]/ubuntu/ira/s83lp25.preseed
  No such file or directory

  ~ # wget http://[fd00:9:152:48:1822:ffff:162:199]/ubuntu/ira/s83lp25.preseed
  --2016-02-18 09:17:37--  http://[fd00:9:152:48:1822:ffff:162:199]/ubuntu/ira/s83lp25.preseed
  Connecting to [fd00:9:152:48:1822:ffff:162:199]:80... connected.
  HTTP request sent, awaiting response... 200 OK
  Length: 3390 (3.3K) [text/plain]
  Saving to: 's83lp25.preseed'

  s83lp25.preseed
  100%[==================================================================================================================>]
  3.31K  --.-KB/s    in 0s

  2016-02-18 09:17:37 (883 MB/s) - 's83lp25.preseed' saved [3390/3390]

  With IPv4 address in preseed/url no problems were found,
  the preseed file was successfully applied in installer.

  == Comment: #9 - IRINA YASHINA - 2016-02-19 05:22:35 ==
  I've checked the last version of the installer:

  http://ports.ubuntu.com/ubuntu-ports/dists/xenial/main/installer-
  s390x/20101020ubuntu423/

  The bug still takes place.

  == Comment: #10 - Hendrik Brueckner <brueckner at de.ibm.com> - 2016-02-19 11:14:22 ==
  I have opened a Debian bug to address this issue.  A problem fix is also attached.

  https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=815166

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