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OpenSSL changes quite a bit of the key validation, and most of the keys
I can find in the wild aren't marked as trusted by the new checker.
Intel noticed this too: https://github.com/vathpela/edk2/commit/f536d7c3ed
but instead of fixing the compatibility error, they switched their test
data to match the bug.
So that's pretty broken.
For now, I'm reverting OpenSSL 1.1.0e, because we need those certs in
the wild to work.
This reverts commit 513cbe2aea689bf968f171f894f3d4cdb43524d5.
This reverts commit e9cc33d6f2b7f35c6f5e349fd83fb9ae0bc66226.
This reverts commit 80d49f758ead0180bfe6161931838e0578248303.
This reverts commit 9bc647e2b23bcfd69a0077c0717fbc454c919a57.
This reverts commit ae75df6232ad30f3e8736e9449692d58a7439260.
This reverts commit e883479f35644d17db7efed710657c8543cfcb68.
This reverts commit 97469449fda5ba933a64280917e776487301a127.
This reverts commit e39692647f78e13d757ddbfdd36f440d5f526050.
This reverts commit 0f3dfc01e2d5e7df882c963dd8dc4a0dfbfc96ad.
This reverts commit 4da6ac819510c7cc4ba21d7a735d69b45daa5873.
This reverts commit d064bd7eef201f26cb926450a76260b5187ac689.
This reverts commit 9bc86cfd6f9387f0da9d5c0102b6aa5627e91c91.
This reverts commit ab9a05a10f16b33f7ee1e9da360c7801eebdb9d2.
Signed-off-by: Peter Jones <pjones@redhat.com>
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Rather than looping once through the possible actions (MokNew, MokDel, etc.),
revise the logic so that instead of rebooting immediately we get back to the
main menu setting a flag to replace "Continue booting" with a proper reboot.
Getting back to the menu means we can go make other changes before rebooting.
For instance, you might want to enable validation, but beforehand you also
need to enroll a MOK. You can already do so from userland; except the requests
were cleared as soon as one of them was processed.
This involves some extra cleanup of the states to avoid running the same
request more than once, removing the option from the menu once it's done, and
changing prompting functions to return an EFI_STATUS so we can better track
whether the process has succeeded.
Signed-off-by: Mathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com>
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X509_get_notBefore -> X509_getm_notBefore
X509_get_notAfter -> X509_getm_notAfter
Signed-off-by: Gary Lin <glin@suse.com>
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Signed-off-by: Mathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com>
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new_data in write_db() wasn't freed after SetVariable.
Signed-off-by: Gary Lin <glin@suse.com>
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Try to append the MOK/MOKX list first and then fallback to the normal
SetVariable if the firmware doesn't support EFI_VARIABLE_APPEND_WRITE.
Signed-off-by: Gary Lin <glin@suse.com>
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We got the bug report about the usage of APPEND_WRITE that may cause the
failure when writing a variable in Lenovo machines. Although
EFI_VARIABLE_APPEND_WRITE already exists in the UEFI spec for years,
unfortunately, some vendors just ignore it and never implement the
attribute. This commit removes the usage of EFI_VARIABLE_APPEND_WRITE to
make MokManager work on those machines.
https://github.com/rhinstaller/shim/issues/55
Signed-off-by: Gary Lin <glin@suse.com>
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Also update Cryptlib to edk2 r19218
- Undefine NO_BUILTIN_VA_FUNCS in Cryptlib/OpenSSL/ for x86_64 to use
the gcc builtins and remove all EFIAPI from the functions
- Move the most of defines into the headers instead of Makefile
- Remove the global variable 'timeval'
- Remove the unused code: crypto/pqueue/* and crypto/ts/*
- Include bn.h in MokManager.c due to the changes in openssl
Signed-off-by: Gary Lin <glin@suse.com>
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My favorite part of -Wsign-compare is how it shows different results on
different arches for no obvious reason.
Signed-off-by: Peter Jones <pjones@redhat.com>
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Nobody should be deploying SHA-1. No hardware deploys it, and the rate
of change on https://en.wikipedia.org/wiki/SHA-1#Attacks is wildly
uninspiring.
Signed-off-by: Peter Jones <pjones@redhat.com>
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Patch from Johannes Segitz <jsegitz@suse.com>
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Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
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Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
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Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
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There are some functions that the return value and the type
didn't match.
Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
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Add SHA1 hash support and amend the code to make it easier to support
other SHA digests.
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match_hash() requests the number of keys in a list and it was
mistakenly replaced with the size of the Mok node. This would
made MokManager to remove the whole Mok node instead of one
hash.
Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
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MokSize of the hash signature list includes the owner GUID,
so we should not add the 16bytes compensation.
Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
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also return to the previous entry in the list
Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
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Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
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Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
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Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
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The new blacklist, MokListX, stores the keys and hashes that are
banned.
Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
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Basically they messed around with stdarg some and now we need to do it
the other way.
Signed-off-by: Peter Jones <pjones@redhat.com>
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Signed-off-by: Peter Jones <pjones@redhat.com>
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We build with -Werror=signed-compare in fedora/rhel rpms, and this
showed up.
Signed-off-by: Peter Jones <pjones@redhat.com>
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On some machines, even though the key event was signaled, ReadKeyStroke
still got EFI_NOT_READY. This commit handles the error status to avoid
console_get_keystroke from returning unexpected keys.
Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
Conflicts:
MokManager.c
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LibDeleteVariable assumes that the variable is RT+NV and it
won't work on a BS+NV variable.
Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
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A non-DER encoding x509 certificate may be mistakenly enrolled into
db or MokList. This commit checks the first 4 bytes of the certificate
to ensure that it's DER encoding.
This commit also removes the iteration of the x509 signature list.
Per UEFI SPEC, each x509 signature list contains only one x509 certificate.
Besides, the size of certificate is incorrect. The size of the header must
be substracted from the signature size.
Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
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This adds additional bounds-checking on the section sizes. Also adds
-Wsign-compare to the Makefile and replaces some signed variables with
unsigned counteparts for robustness.
Signed-off-by: Kees Cook <kees@ubuntu.com>
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This reverts commit 21e40f0174814b3d91836e38c7cf95c8f2f1f3a4.
In principle I like the idea of what's going on here, but
generate_hash() really does need to have the expected result.
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This adds additional bounds-checking on the section sizes. Also adds
-Wsign-compare to the Makefile and replaces some signed variables with
unsigned counteparts for robustness.
Signed-off-by: Kees Cook <kees@ubuntu.com>
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Provide a mechanism for a physically present end user to disable the use
of db when doing signature verification. This is handled by the OS passing
down a variable that contains a UINT32 and a SHA256 hash. If this variable
is present, MokManager prompts the user to choose whether to enable or
disable the use of db for verification purposes (depending on the value of
the UINT32). They are then asked to type the passphrase that matches the
hash. This then saves a boot services variable which is checked by shim,
and if set will cause shim to not use db for verification purposes. If
db is to be ignored, shim will export a runtime variable called
'MokIgnoreDB' for the OS to query at runtime.
Signed-off-by: Josh Boyer <jwboyer@fedoraproject.org>
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Since these are topically the same thing, they can live together.
Signed-off-by: Peter Jones <pjones@redhat.com>
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Signed-off-by: Peter Jones <pjones@redhat.com>
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Without this patch, on some machines we never see MokManager's UI. This
protocol has never (I think?) been officially published, and yet I still
have new hardware that needs it.
If you're looking for a reference, look at:
EdkCompatibilityPkg/Foundation/Protocol/ConsoleControl/ConsoleControl.c
in the edk2 tree from Tiano.
Signed-off-by: Peter Jones <pjones@redhat.com>
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Conflicts:
shim.c
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