172154 2017-05-15 18:14:21 -0700 [SOUP] Stop setting G_TLS_GNUTLS_PRIORITY 2019-09-28 12:35:47 -0700 1 1 1 Unclassified WebKit WebKitGTK Other PC Linux RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=202156 P2 Normal --- 1 mcatanzaro mcatanzaro aperez bugs-noreply cgarcia commit-queue mcatanzaro oldest_to_newest 1308917 0 mcatanzaro 2017-05-15 18:14:21 -0700 Stop setting G_TLS_GNUTLS_PRIORITY in web process, because the network process is mandatory nowadays and the web process should not be performing any networking. Currently some media elements bits that perform networking in the web process are probably affected by this, but that's a bug that should be handled separately. 1308921 1 310202 mcatanzaro 2017-05-15 18:22:30 -0700 Created attachment 310202 Patch 1309046 2 cgarcia 2017-05-16 00:41:46 -0700 (In reply to Michael Catanzaro from comment #0) > Stop setting G_TLS_GNUTLS_PRIORITY in web process, because the network > process is mandatory nowadays and the web process should not be performing > any networking. > > Currently some media elements bits that perform networking in the web > process are probably affected by this, but that's a bug that should be > handled separately. And the appcache manifest downloads. 1329307 3 310202 mcatanzaro 2017-07-15 20:54:06 -0700 Comment on attachment 310202 Patch So we cannot do this yet. 1572830 4 mcatanzaro 2019-09-20 13:10:25 -0700 (In reply to Michael Catanzaro from comment #3) > So we cannot do this yet. I wonder why. This is actually reducing security nowadays by defeating my attempts to change glib-networking's base priority so it needs to go. 1572844 5 379264 mcatanzaro 2019-09-20 13:18:23 -0700 Created attachment 379264 Patch 1572847 6 mcatanzaro 2019-09-20 13:20:09 -0700 Downside of this is it will reenable RC4 for LTS distros still using GnuTLS 3.5 or earlier, but we shouldn't be reducing security for modern distros for the benefit of old ones. 1572854 7 379264 aperez 2019-09-20 13:29:59 -0700 Comment on attachment 379264 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=379264&action=review Just one question below… > Source/WebKit/NetworkProcess/EntryPoint/unix/NetworkProcessMain.cpp:-46 > - setenv("G_TLS_GNUTLS_PRIORITY", "NORMAL:%COMPAT:!VERS-SSL3.0:!ARCFOUR-128", 0); Instead of weakening security for users of LTS distributions, I would rather use: if (!gnutls_check_version_numeric(3, 6, 0)) setenv("G_TLS_GNUTLS_PRIORITY", "NORMAL:%COMPAT:!VERS-SSL3.0:!ARCFOUR-128", 0); Is there some reason to not use this suggestion? 1572962 8 mcatanzaro 2019-09-20 17:12:56 -0700 (In reply to Adrian Perez from comment #7) > Is there some reason to not use this suggestion? It's nice to remove yucky workarounds from the code. I don't see many distros with old GnuTLS upgrading to our 2.26 anyway, and they should patch GnuTLS to adjust available ciphersuites regardless. 1573191 9 aperez 2019-09-22 06:58:39 -0700 (In reply to Michael Catanzaro from comment #8) > (In reply to Adrian Perez from comment #7) > > Is there some reason to not use this suggestion? > > It's nice to remove yucky workarounds from the code. Indeed, it is! > I don't see many distros with old GnuTLS upgrading to our 2.26 anyway, and > they should patch GnuTLS to adjust available ciphersuites regardless. Fair enough, let's go ahead with this cleanup then 👍 1573197 10 mcatanzaro 2019-09-22 10:03:18 -0700 Also, stronger reason: WebKit cannot link directly to GnuTLS or know that it is using GnuTLS under the hood. 1573257 11 379264 commit-queue 2019-09-23 02:05:22 -0700 Comment on attachment 379264 Patch Clearing flags on attachment: 379264 Committed r250217: <https://trac.webkit.org/changeset/250217> 1573258 12 commit-queue 2019-09-23 02:05:24 -0700 All reviewed patches have been landed. Closing bug. 1575072 13 aperez 2019-09-28 12:35:47 -0700 *** Bug 158785 has been marked as a duplicate of this bug. *** 310202 2017-05-15 18:22:30 -0700 2019-09-20 13:18:23 -0700 Patch bug-172154-20170515202229.patch text/plain 3713 mcatanzaro U3VidmVyc2lvbiBSZXZpc2lvbjogMjE2ODk0CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViS2l0Mi9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViS2l0Mi9DaGFuZ2VMb2cKaW5kZXggOWIzZmFmMWIyNTYzYTQ0 MjMwZGVhZDgxNjczMjcxNTI3MTlmNGMwOC4uNTU5ZTIzOTQyZTY4YjBlZjBmNWUwNTdjYTU2ODZl NDEwN2U2Y2RkMiAxMDA2NDQKLS0tIGEvU291cmNlL1dlYktpdDIvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJLaXQyL0NoYW5nZUxvZwpAQCAtMSwzICsxLDIxIEBACisyMDE3LTA1LTE1ICBNaWNo YWVsIENhdGFuemFybyAgPG1jYXRhbnphcm9AaWdhbGlhLmNvbT4KKworICAgICAgICBbU09VUF0g U3RvcCBzZXR0aW5nIEdfVExTX0dOVVRMU19QUklPUklUWSBpbiB3ZWIgcHJvY2VzcworICAgICAg ICBodHRwczovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MTcyMTU0CisKKyAgICAg ICAgUmV2aWV3ZWQgYnkgTk9CT0RZIChPT1BTISkuCisKKyAgICAgICAgU3RvcCBzZXR0aW5nIEdf 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