Those updates are performed as a user console session command - one at a time. An override file could contain many substitutions (bulk operation), as such Karaf here is alerting the user to a change they may not realize has happened.
Having a switch that may invoke a signed bundle installation only Karaf could be interesting. --jamie On Wed, Feb 12, 2014 at 4:08 PM, Guillaume Nodet <[email protected]> wrote: > 2014-02-12 17:35 GMT+01:00 Jamie G. <[email protected]>: > > > Changing vendors to me would be something i'd like to be warned about. I > > have Apache Camel installed, with XYZ under the hood - lets me know its a > > franken-build. That being said, if i was going to fork and build my own > > camel jar to fix a local issue, why would i then need to use the > override, > > i'd just deploy the library, refresh, and carry on (different work flows > > for different folks - I do get that that's simplifying things - generally > > we'd end up with a large list of bundles needing changing and the > override > > would simplify managing that recipe update). > > > > It all depends on the workflow, the number of containers to modify, how > often features are deployed or undeployed, wether the one installing > features is the one that validates them, etc... > At some point, manual intervention can be very painful. So that's right, > it's not the usual workflow we've supported so far, but it does not mean > it's less secured In all cases, things have to be tested and verified > before put into production. > > > > > > Regardless, I'm open to amending how vendors are handled, if we want to > > change the message or scrap it all together. Personally i think something > > should be noted since things are changing (i'd like to know I'm going > from > > Land Rover parts to something made by Ford in my Range Rover). > > > > Or it could be like changing the radio in your car .... ;-) > > What I don't get is why that would be the only place for such a check ? > If we consider that changing the vendor of a bundle is risky, we need to > put that check in bundle:update, file install, web console, etc... > You know that you can update camel-core with asm4 by using bundle:update, > right ? We don't have any checks here, and that's much more risky than > when you already ensured the symbolic names are the same and version > expected to be compatible. > > If security is really an issue, even if not going as far as using signed > bundles, one possible way would be to restrict bundle installation to > trusted bundles. By that, I mean adding a setting which would lead to only > accept externally signed bundles (the *.asc file uploaded to maven repo) > and verify them against a trusted key store. I think this would be a good > way to actually address the problem, if we think there's a problem. > > Guillaume > > > > > > As to a global on/off switch for the mechanism that would be a nice > > addition. > > > > Yeah, I can add that, though it's not as if this feature was triggered > automatically, as you have to create this known file, so there's always a > conscious decision made at some point. > > Guillaume > > > > > > --Jamie > > > > > > On Wed, Feb 12, 2014 at 12:23 PM, Guillaume Nodet <[email protected]> > > wrote: > > > > > I just think the check is worth nothing. If someone build a > customized > > > version of a bundle (let's say camel), he will usually build by forking > > > from camel, in which case the vendor would still be the same. And if > the > > > user wants to make things cleaner and actually change the vendor to > > reflect > > > the fact that it does not come from Apache, then we throw at him a > > WARNING > > > log. > > > Again, I don't think we should assume the user does not know what he > > does, > > > I'd rather add a global flag to disable overrides if you think it's > > safer, > > > but the file does not even exist by default, which means the user > > actually > > > know what he is doing... > > > > > > > > > 2014-02-12 16:42 GMT+01:00 Jamie G. <[email protected]>: > > > > > > > My interpretation is that a bundle is being updated by its > maintainer, > > > if a > > > > different group is providing the replacement bundle then Karaf should > > be > > > > making some noise about it as its masquerading as being what was > > > originally > > > > intended by the feature provider. I'm up for different wordings > > however. > > > > What would you suggest? > > > > > > > > > > > > On Wed, Feb 12, 2014 at 12:07 PM, Guillaume Nodet <[email protected] > > > > > > wrote: > > > > > > > > > Yes, I was going to add that I had no problems saying a bundle has > > been > > > > > overridden (though not sure if it has to be with a WARNING level). > > > > > It's really the vendor check which I don't get and the log of > > > "Malicious > > > > > code possibly introduced by patch override, see log for details". > > > > > > > > > > > > > > > 2014-02-12 16:30 GMT+01:00 Achim Nierbeck <[email protected] > >: > > > > > > > > > > > Well, I hope you didn't get distracted by my comment. > > > > > > Though as far as I can see the change only introduced some > logging > > > > > > to let the user know something changed due to adding another > > feature, > > > > > > I think this is a viable solution, especially when looking for > > > failures > > > > > > or unintended changes. > > > > > > No? > > > > > > > > > > > > > > > > > > 2014-02-12 16:15 GMT+01:00 Guillaume Nodet <[email protected]>: > > > > > > > > > > > > > I'm tempted to -1 this change. > > > > > > > > > > > > > > What kind of problems are you trying to solve here ? > > > > > > > Imho, such code is unnecessary because there are many other > ways > > to > > > > > > > introduce so called "malicious" code. > > > > > > > If one wants to be safe, there is already an existing way to > > solve > > > > the > > > > > > > problem which is signed bundles. > > > > > > > > > > > > > > Now, an example on how to introduce "malicious" code : if such > a > > > > bundle > > > > > > is > > > > > > > installed first, the features service will think the "correct" > > > bundle > > > > > is > > > > > > > already installed and will not install the "safe" bundle. This > > can > > > > be > > > > > > done > > > > > > > by manually installing the bundle before installing features, > or > > by > > > > > > adding > > > > > > > it to the etc/startup.properties. > > > > > > > Another option is just to hack the features file manually and > > > change > > > > > the > > > > > > > url of the bundle, it will have exactly the same effect. > > > > > > > > > > > > > > In addition, checking the vendor is not a guarantee, as if > > someone > > > > > wanted > > > > > > > to "fake" a bundle, setting that header is not more difficult > > than > > > > > > changing > > > > > > > the symbolic name or version. > > > > > > > > > > > > > > I've had a use case where the user wanted to make sure that no > > > > > > "malicious" > > > > > > > code is introduced or used. In such a case, there is already > an > > > > > existing > > > > > > > solution which is fully supported by OSGi (and Karaf) which is > > > signed > > > > > > > bundles. It works well and it's secured. Well, secured to the > > > point > > > > > > that > > > > > > > you control the file system. In all cases, if you don't trust > > the > > > > file > > > > > > > system, there's no possible way to secure the OSGi framework > > (just > > > > > > because > > > > > > > classes are read from the file system). > > > > > > > > > > > > > > Last, there is no possible misuse of the overrides really. If > > you > > > > add > > > > > > > random bundles, it will most of the case have no effects, or at > > > > least, > > > > > > not > > > > > > > more than if you had installed them manually before. We don't > > add > > > > any > > > > > > > checks in the bundle:update command, so I don't really see why > > we'd > > > > add > > > > > > > those here. > > > > > > > > > > > > > > On a side note, I was wondering about starting a slightly > broader > > > > > > > discussion about patching, which is related to this particular > > > > feature > > > > > > and > > > > > > > I hope to do so this week or the next. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > 2014-02-12 15:00 GMT+01:00 <[email protected]>: > > > > > > > > > > > > > > > Updated Branches: > > > > > > > > refs/heads/master d2af093dd -> 36808c560 > > > > > > > > > > > > > > > > > > > > > > > > [KARAF-2753] Logging for override mechanism. Added additional > > > > logging > > > > > > and > > > > > > > > unit test to trigger log events > > > > > > > > > > > > > > > > > > > > > > > > Project: http://git-wip-us.apache.org/repos/asf/karaf/repo > > > > > > > > Commit: > > > > http://git-wip-us.apache.org/repos/asf/karaf/commit/36808c56 > > > > > > > > Tree: > > http://git-wip-us.apache.org/repos/asf/karaf/tree/36808c56 > > > > > > > > Diff: > > http://git-wip-us.apache.org/repos/asf/karaf/diff/36808c56 > > > > > > > > > > > > > > > > Branch: refs/heads/master > > > > > > > > Commit: 36808c5607d3fc0de40861146775e10b7c248e59 > > > > > > > > Parents: d2af093 > > > > > > > > Author: jgoodyear <[email protected]> > > > > > > > > Authored: Wed Feb 12 10:29:10 2014 -0330 > > > > > > > > Committer: jgoodyear <[email protected]> > > > > > > > > Committed: Wed Feb 12 10:29:10 2014 -0330 > > > > > > > > > > > > > > > > > > > > > > > ---------------------------------------------------------------------- > > > > > > > > .../karaf/features/internal/Overrides.java | 25 > > ++++++++++- > > > > > > > > .../karaf/features/internal/OverridesTest.java | 47 > > > > > > > ++++++++++++++++++++ > > > > > > > > 2 files changed, 71 insertions(+), 1 deletion(-) > > > > > > > > > > > > > > > ---------------------------------------------------------------------- > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > http://git-wip-us.apache.org/repos/asf/karaf/blob/36808c56/features/core/src/main/java/org/apache/karaf/features/internal/Overrides.java > > > > > > > > > > > > > > > ---------------------------------------------------------------------- > > > > > > > > diff --git > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > a/features/core/src/main/java/org/apache/karaf/features/internal/Overrides.java > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > b/features/core/src/main/java/org/apache/karaf/features/internal/Overrides.java > > > > > > > > index 655dfea..8397222 100644 > > > > > > > > --- > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > a/features/core/src/main/java/org/apache/karaf/features/internal/Overrides.java > > > > > > > > +++ > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > b/features/core/src/main/java/org/apache/karaf/features/internal/Overrides.java > > > > > > > > @@ -48,6 +48,7 @@ public class Overrides { > > > > > > > > private static final Logger LOGGER = > > > > > > > > LoggerFactory.getLogger(Overrides.class); > > > > > > > > > > > > > > > > private static final String OVERRIDE_RANGE = "range"; > > > > > > > > + private static final String VENDOR_WARNING = "Malicious > > code > > > > > > > possibly > > > > > > > > introduced by patch override, see log for details"; > > > > > > > > > > > > > > > > /** > > > > > > > > * Compute a list of bundles to install, taking into > > account > > > > > > > > overrides. > > > > > > > > @@ -86,6 +87,7 @@ public class Overrides { > > > > > > > > if (manifest != null) { > > > > > > > > String bsn = > > > getBundleSymbolicName(manifest); > > > > > > > > Version ver = > getBundleVersion(manifest); > > > > > > > > + String ven = getBundleVendor(manifest); > > > > > > > > String url = info.getLocation(); > > > > > > > > for (Clause override : overrides) { > > > > > > > > Manifest overMan = > > > > > > > > manifests.get(override.getName()); > > > > > > > > @@ -111,10 +113,26 @@ public class Overrides { > > > > > > > > range = > > > > > > VersionRange.parseVersionRange(vr); > > > > > > > > } > > > > > > > > > > > > > > > > + String vendor = > > > getBundleVendor(overMan); > > > > > > > > > > > > > > > > + // Before we do a replace, lets > check > > if > > > > > > vendors > > > > > > > > change > > > > > > > > + if (ven == null) { > > > > > > > > + if (vendor != null) { > > > > > > > > + > LOGGER.warn(VENDOR_WARNING); > > > > > > > > + } > > > > > > > > + } else { > > > > > > > > + if (vendor == null) { > > > > > > > > + > LOGGER.warn(VENDOR_WARNING); > > > > > > > > + } else { > > > > > > > > + if (!vendor.equals(ven)) { > > > > > > > > + > > > LOGGER.warn(VENDOR_WARNING); > > > > > > > > + } > > > > > > > > + } > > > > > > > > + } > > > > > > > > // The resource matches, so replace > it > > > > with > > > > > > the > > > > > > > > overridden resource > > > > > > > > // if the override is actually a > newer > > > > > version > > > > > > > > than what we currently have > > > > > > > > if (range.contains(ver) && > > > > > > ver.compareTo(oVer) < > > > > > > > > 0) { > > > > > > > > + LOGGER.info("Overriding original > > > > bundle > > > > > " > > > > > > + > > > > > > > > url + " to " + override.getName()); > > > > > > > > ver = oVer; > > > > > > > > url = override.getName(); > > > > > > > > } > > > > > > > > @@ -178,6 +196,11 @@ public class Overrides { > > > > > > > > return bsn; > > > > > > > > } > > > > > > > > > > > > > > > > + private static String getBundleVendor(Manifest > manifest) { > > > > > > > > + String ven = > > > > > > > > > manifest.getMainAttributes().getValue(Constants.BUNDLE_VENDOR); > > > > > > > > + return ven; > > > > > > > > + } > > > > > > > > + > > > > > > > > private static Manifest getManifest(String url) throws > > > > > > IOException { > > > > > > > > InputStream is = new URL(url).openStream(); > > > > > > > > try { > > > > > > > > @@ -205,4 +228,4 @@ public class Overrides { > > > > > > > > } > > > > > > > > return cs[0].getName(); > > > > > > > > } > > > > > > > > -} > > > > > > > > \ No newline at end of file > > > > > > > > +} > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > http://git-wip-us.apache.org/repos/asf/karaf/blob/36808c56/features/core/src/test/java/org/apache/karaf/features/internal/OverridesTest.java > > > > > > > > > > > > > > > ---------------------------------------------------------------------- > > > > > > > > diff --git > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > a/features/core/src/test/java/org/apache/karaf/features/internal/OverridesTest.java > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > b/features/core/src/test/java/org/apache/karaf/features/internal/OverridesTest.java > > > > > > > > index 46d163a..79e2015 100644 > > > > > > > > --- > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > a/features/core/src/test/java/org/apache/karaf/features/internal/OverridesTest.java > > > > > > > > +++ > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > b/features/core/src/test/java/org/apache/karaf/features/internal/OverridesTest.java > > > > > > > > @@ -42,6 +42,9 @@ public class OverridesTest { > > > > > > > > private File b101; > > > > > > > > private File b102; > > > > > > > > private File b110; > > > > > > > > + private File c100; > > > > > > > > + private File c101; > > > > > > > > + private File c110; > > > > > > > > > > > > > > > > @Before > > > > > > > > public void setUp() throws IOException { > > > > > > > > @@ -72,6 +75,50 @@ public class OverridesTest { > > > > > > > > .set("Bundle-Version", "1.1.0") > > > > > > > > .build(), > > > > > > > > new FileOutputStream(b110)); > > > > > > > > + > > > > > > > > + c100 = File.createTempFile("karafc", "-100.jar"); > > > > > > > > + copy(TinyBundles.bundle() > > > > > > > > + .set("Bundle-SymbolicName", bsn) > > > > > > > > + .set("Bundle-Version", "1.0.0") > > > > > > > > + .set("Bundle-Vendor", "Apache") > > > > > > > > + .build(), > > > > > > > > + new FileOutputStream(c100)); > > > > > > > > + > > > > > > > > + c101 = File.createTempFile("karafc", "-101.jar"); > > > > > > > > + copy(TinyBundles.bundle() > > > > > > > > + .set("Bundle-SymbolicName", bsn) > > > > > > > > + .set("Bundle-Version", "1.0.1") > > > > > > > > + .set("Bundle-Vendor", "NotApache") > > > > > > > > + .build(), > > > > > > > > + new FileOutputStream(c101)); > > > > > > > > + > > > > > > > > + c110 = File.createTempFile("karafc", "-110.jar"); > > > > > > > > + copy(TinyBundles.bundle() > > > > > > > > + .set("Bundle-SymbolicName", bsn) > > > > > > > > + .set("Bundle-Version", "1.1.0") > > > > > > > > + .set("Bundle-Vendor", "NotApache") > > > > > > > > + .build(), > > > > > > > > + new FileOutputStream(c110)); > > > > > > > > + } > > > > > > > > + > > > > > > > > + @Test > > > > > > > > + public void testDifferentVendors() throws IOException { > > > > > > > > + File props = File.createTempFile("karaf", > > "properties"); > > > > > > > > + Writer w = new FileWriter(props); > > > > > > > > + w.write(c101.toURI().toString()); > > > > > > > > + w.write("\n"); > > > > > > > > + w.write(c110.toURI().toString()); > > > > > > > > + w.write("\n"); > > > > > > > > + w.close(); > > > > > > > > + > > > > > > > > + List<BundleInfo> res = Overrides.override( > > > > > > > > + Arrays.<BundleInfo>asList(new > > > > > > > > Bundle(c100.toURI().toString())), > > > > > > > > + props.toURI().toString()); > > > > > > > > + assertNotNull(res); > > > > > > > > + assertEquals(1, res.size()); > > > > > > > > + BundleInfo out = res.get(0); > > > > > > > > + assertNotNull(out); > > > > > > > > + assertEquals(c101.toURI().toString(), > > > out.getLocation()); > > > > > > > > } > > > > > > > > > > > > > > > > @Test > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > > > > > > > > Apache Karaf <http://karaf.apache.org/> Committer & PMC > > > > > > OPS4J Pax Web <http://wiki.ops4j.org/display/paxweb/Pax+Web/> > > > > Committer > > > > > & > > > > > > Project Lead > > > > > > OPS4J Pax for Vaadin < > > > > http://team.ops4j.org/wiki/display/PAXVAADIN/Home> > > > > > > Commiter & Project Lead > > > > > > blog <http://notizblog.nierbeck.de/> > > > > > > > > > > > > > > > > > > > > >
