Package: openswan,racoon
Version: openswan/1:2.6.25+dfsg-1
Version: racoon/1:0.7.3-6
Severity: serious
User: trei...@debian.org
Usertags: edos-file-overwrite

Date: 2010-05-26
Architecture: amd64
Distribution: sid

Hi,

automatic installation tests of packages that share a file and at the
same time do not conflict by their package dependency relationships has
detected the following problem:


WARNING: The following packages cannot be authenticated!
  libssh2-1 libcurl3 libgmp3c2 libcap2 libgeoip1 libxml2 libisc60 libdns64
  libisccc60 libisccfg60 libbind9-60 liblwres60 bind9-host ipsec-tools
  openswan racoon
Preconfiguring packages ...
Authentication warning overridden.
Can not write log, openpty() failed (/dev/pts not mounted?)
Selecting previously deselected package libssh2-1.
(Reading database ... 12205 files and directories currently installed.)
Unpacking libssh2-1 (from .../libssh2-1_1.2.5-1_amd64.deb) ...
Selecting previously deselected package libcurl3.
Unpacking libcurl3 (from .../libcurl3_7.20.1-2_amd64.deb) ...
Selecting previously deselected package libgmp3c2.
Unpacking libgmp3c2 (from .../libgmp3c2_2%3a4.3.2+dfsg-1_amd64.deb) ...
Selecting previously deselected package libcap2.
Unpacking libcap2 (from .../libcap2_1%3a2.17-2_amd64.deb) ...
Selecting previously deselected package libgeoip1.
Unpacking libgeoip1 (from .../libgeoip1_1.4.7~beta3+dfsg-2_amd64.deb) ...
Selecting previously deselected package libxml2.
Unpacking libxml2 (from .../libxml2_2.7.7.dfsg-2_amd64.deb) ...
Selecting previously deselected package libisc60.
Unpacking libisc60 (from .../libisc60_1%3a9.7.0.dfsg.P1-1_amd64.deb) ...
Selecting previously deselected package libdns64.
Unpacking libdns64 (from .../libdns64_1%3a9.7.0.dfsg.P1-1_amd64.deb) ...
Selecting previously deselected package libisccc60.
Unpacking libisccc60 (from .../libisccc60_1%3a9.7.0.dfsg.P1-1_amd64.deb) ...
Selecting previously deselected package libisccfg60.
Unpacking libisccfg60 (from .../libisccfg60_1%3a9.7.0.dfsg.P1-1_amd64.deb) ...
Selecting previously deselected package libbind9-60.
Unpacking libbind9-60 (from .../libbind9-60_1%3a9.7.0.dfsg.P1-1_amd64.deb) ...
Selecting previously deselected package liblwres60.
Unpacking liblwres60 (from .../liblwres60_1%3a9.7.0.dfsg.P1-1_amd64.deb) ...
Selecting previously deselected package bind9-host.
Unpacking bind9-host (from .../bind9-host_1%3a9.7.0.dfsg.P1-1_amd64.deb) ...
Selecting previously deselected package ipsec-tools.
Unpacking ipsec-tools (from .../ipsec-tools_1%3a0.7.3-6_amd64.deb) ...
Selecting previously deselected package openswan.
Unpacking openswan (from .../openswan_1%3a2.6.25+dfsg-1_amd64.deb) ...
Selecting previously deselected package racoon.
Unpacking racoon (from .../racoon_1%3a0.7.3-6_amd64.deb) ...
dpkg: error processing /var/cache/apt/archives/racoon_1%3a0.7.3-6_amd64.deb 
(--unpack):
 trying to overwrite '/usr/share/man/man3/ipsec_set_policy.3.gz', which is also 
in package openswan 1:2.6.25+dfsg-1
Processing triggers for man-db ...
Errors were encountered while processing:
 /var/cache/apt/archives/racoon_1%3a0.7.3-6_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
cow-shell unlink .ilist: No such file or directory


This is a serious bug as it makes installation fail, and violates
sections 7.6.1 and 10.1 of the policy. An optimal solution would
consist in only one of the packages installing that file, and renaming
or removing the file in the other package. Depending on the
circumstances you might also consider Replace relations or file
diversions. If the conflicting situation cannot be resolved then, as a
last resort, the two packages have to declare a mutual
Conflict. Please take into account that Replaces, Conflicts and
diversions should only be used when packages provide different
implementations for the same functionality.

Here is a list of files that are known to be shared by both packages
(according to the Contents file for sid/amd64, which may be
slightly out of sync):

  /usr/share/man/man3/ipsec_set_policy.3.gz
  /usr/share/man/man3/ipsec_strerror.3.gz

This bug is assigned to both packages. If you, the maintainers of
the two packages in question, have agreed on which of the packages will
resolve the problem please reassign the bug to that package.

-Ralf.

PS: for more information about the detection of file overwrite errors
of this kind see http://edos.debian.net/file-overwrites/.



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