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* socket: disallow CBC cipher modesNiels de Vos2014-10-281-0/+75
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is related to CVE-2014-3566 a.k.a. POODLE. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-3566 POODLE is specific to CBC cipher modes in SSLv3. Because there is no way to prevent SSLv3 fallback on a system with an unpatched version of OpenSSL, users of such systems can only be protected by disallowing CBC modes. The default cipher-mode specification in our code has been changed accordingly. Users can still set their own cipher modes if they wish. To support them, the ssl-authz.t test script provides an example of how to combine the CBC exclusion with other criteria in a script. Cherry picked from commit 378a0a19d95e552220d71b13be685f4772c576cd: > Change-Id: Ib1fa547082fbb7de9df94ffd182b1800d6e354e5 > BUG: 1155328 > Signed-off-by: Jeff Darcy <jdarcy@redhat.com> > Reviewed-on: http://review.gluster.org/8962 > Tested-by: Gluster Build System <jenkins@build.gluster.com> > Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com> > Reviewed-by: Vijay Bellur <vbellur@redhat.com> ssl-auth.t has been modified to not set the auth.ssl-allow option. This option is not available in the 3.5 branch. Change-Id: Ib1fa547082fbb7de9df94ffd182b1800d6e354e5 BUG: 1157661 Signed-off-by: Niels de Vos <ndevos@redhat.com> Reviewed-on: http://review.gluster.org/8979 Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com> Reviewed-by: Jeff Darcy <jdarcy@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com>
* performance/readdir-ahead: introduce directory read-ahead translatorBrian Foster2013-09-041-0/+44
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a translator to improve the performance of typical, sequential directory reads (i.e., ls). readdir-ahead begins preloading the contents of a directory on open and serves readdir requests from the preloaded content. readdir-ahead is currently implemented to only handle the single threaded directory read case. readdir-ahead is currently disabled by default. It can be enabled with the following command: gluster volume set <volname> readdir-ahead on The following are results of a getdents test on a single brick volume. Test info: - Single VM, gluster client/server. - Volume mounted with native client using --gid-timeout=2. - getdents on single directory with 100k 0-byte files. Test results: - !readdir-ahead read 3120080 bytes from offset 0 3 MiB, 4348 ops, 0:00:07.00 (416.590 KiB/sec and 594.4737 ops/sec) - readdir-ahead read 3120080 bytes from offset 0 3 MiB, 4348 ops, 0:00:03.00 (820.116 KiB/sec and 1170.3043 ops/sec) BUG: 980517 Change-Id: Ieceb9e1eb47d1d5b5af8da2bf03839537364653f Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-on: http://review.gluster.org/4519 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
* glupy: Importing Jeff's glupy project into glusterfsRam Raja2013-05-101-0/+29
Change-Id: I3891ef6eaf6ede7c8cbedc3298ce2501a69b2b05 BUG: 961856 Original-author: Jeff Darcy <jdarcy@redhat.com> Signed-off-by: Ram Raja <rraja@redhat.com> Reviewed-on: http://review.gluster.org/4906 Reviewed-by: Justin Clift <jclift@redhat.com> Tested-by: Justin Clift <jclift@redhat.com>