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make-dbus-conf: Don't try to access network

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This is the output of the builder:

building path(s) `/nix/store/khkcfb8433i9mabb6wnb8ik6p9skg644-dbus-1'
error : connection refused
error : connection refused

However, even when using --nonet we'd still get this:

I/O error : Attempt to load network entity
http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd

So in order to avoid this, we now provide an XML catalog file, mapping
the public URLs to the local DTD paths inside the store instead of using
--path (which doesn't seem to work with xsltproc).

Tested this by comparing the SHA256 (nix-hash --type sha256) of the
output path generated by:

nix-build -E '(import ./. {}).makeDBusConf {
  suidHelper = "SUIDHELPER";
  serviceDirectories = [ "SERVICEDIR1" "SERVICEDIR1" ];
}'

... with the SHA256 of the generated output path prior to this commit
and they have the same hash:

6f3f9594b12fddbff9407b85252b6f649da11f56b7fd514f761966c11399a7ab

Signed-off-by: aszlig <aszlig@redmoonstudios.org>
Cc: @abbradar
This commit is contained in:
aszlig 2017-02-20 00:54:19 +01:00
parent 68f01b3b8c
commit edce2b759c
No known key found for this signature in database
GPG Key ID: 1DE8E48E57DB5436
1 changed files with 18 additions and 5 deletions
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23
pkgs/development/libraries/dbus/make-dbus-conf.nix
View File

@ -1,4 +1,7 @@
{ runCommand, libxslt, dbus, serviceDirectories ? [], suidHelper ? "/var/setuid-wrappers/dbus-daemon-launch-helper" }:
{ runCommand, writeText, libxslt, dbus
, serviceDirectories ? []
, suidHelper ? "/var/setuid-wrappers/dbus-daemon-launch-helper"
}:
/* DBus has two configuration parsers -- normal and "trivial", which is used
* for suid helper. Unfortunately the latter doesn't support <include>
@ -9,19 +12,29 @@ runCommand "dbus-1"
{
buildInputs = [ libxslt ];
inherit serviceDirectories suidHelper;
XML_CATALOG_FILES = writeText "dbus-catalog.xml" ''
<?xml version="1.0"?>
<!DOCTYPE catalog PUBLIC
"-//OASIS//DTD Entity Resolution XML Catalog V1.0//EN"
"http://www.oasis-open.org/committees/entity/release/1.0/catalog.dtd">
<catalog xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog">
<rewriteSystem
systemIdStartString="http://www.freedesktop.org/standards/dbus/1.0/"
rewritePrefix="file://${dbus.doc}/share/xml/dbus/"/>
</catalog>
'';
}
''
mkdir -p $out
xsltproc \
xsltproc --nonet \
--stringparam serviceDirectories "$serviceDirectories" \
--stringparam suidHelper "$suidHelper" \
--path ${dbus.doc}/share/xml/dbus \
${./make-system-conf.xsl} ${dbus}/share/dbus-1/system.conf \
> $out/system.conf
xsltproc \
xsltproc --nonet \
--stringparam serviceDirectories "$serviceDirectories" \
--path ${dbus.doc}/share/xml/dbus \
${./make-session-conf.xsl} ${dbus}/share/dbus-1/session.conf \
> $out/session.conf
''