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2014-08-27Handle empty .reloc section in PE/COFF loaderArd Biesheuvel
On archs where no EFI aware objcopy is available, the generated PE/COFF header contains a .reloc section which is completely empty. Handle this by - returning early from relocate_coff() with EFI_SUCCESS, - ignoring discardable sections in the section loader. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2014-08-27Fix typo from Ard's old tree 32-bit ARM patch.Peter Jones
We don't need to .data entries; the second one should be .data*. He's since fixed this in his tree, but I'd already pulled it and pushed to master. Signed-off-by: Peter Jones <pjones@redhat.com>
2014-08-27Fix typo from Ard's old tree 32-bit ARM patch.Peter Jones
We don't need to .data entries; the second one should be .data*. He's since fixed this in his tree, but I'd already pulled it and pushed to master. Signed-off-by: Peter Jones <pjones@redhat.com>
2014-08-19Update openssl to 0.9.8zbGary Ching-Pang Lin
Also update to Tiano Cryptlib r15802 and remove the execute mode bits from the C and header files of openssl
2014-08-19Update openssl to 0.9.8zbGary Ching-Pang Lin
Also update to Tiano Cryptlib r15802 and remove the execute mode bits from the C and header files of openssl
2014-08-12Add support for 32-bit ARMArd Biesheuvel
This adds support for building the shim for a 32-bit ARM UEFI environment. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2014-08-12Add support for 32-bit ARMArd Biesheuvel
This adds support for building the shim for a 32-bit ARM UEFI environment. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2014-08-12Add support for 64-bit ARM (AArch64)Ard Biesheuvel
This adds support for building the shim for a 64-bit ARM UEFI environment. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2014-08-12Add support for 64-bit ARM (AArch64)Ard Biesheuvel
This adds support for building the shim for a 64-bit ARM UEFI environment. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2014-08-12Factor out x86-isms and add cross compile supportArd Biesheuvel
This patch cleans up and refactors the Makefiles to better allow new architectures to be added: - remove unused Makefile definitions - import Makefile definitions from top level rather than redefining - move x86 specific CFLAGS to inside ifeq() blocks - remove x86 inline asm - allow $(FORMAT) to be overridden: this is necessary as there exists no EFI or PE/COFF aware objcopy for ARM Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2014-08-12Factor out x86-isms and add cross compile supportArd Biesheuvel
This patch cleans up and refactors the Makefiles to better allow new architectures to be added: - remove unused Makefile definitions - import Makefile definitions from top level rather than redefining - move x86 specific CFLAGS to inside ifeq() blocks - remove x86 inline asm - allow $(FORMAT) to be overridden: this is necessary as there exists no EFI or PE/COFF aware objcopy for ARM Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2014-08-12unhook_system_services: bail on systab == NULLArd Biesheuvel
Prevent unhook_system_services() from dereferencing a NULL systab, which may occur if hook_system_services() has never been called. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2014-08-12unhook_system_services: bail on systab == NULLArd Biesheuvel
Prevent unhook_system_services() from dereferencing a NULL systab, which may occur if hook_system_services() has never been called. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2014-08-12CryptLib: undefine va_arg and friends before redefining themArd Biesheuvel
Upstream GNU-EFI contains changes to efistdarg.h resulting in the va_start, va_arg and va_end macros to be #defined unconditionally. Make sure we #undef them before overriding the definitions. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2014-08-12CryptLib: undefine va_arg and friends before redefining themArd Biesheuvel
Upstream GNU-EFI contains changes to efistdarg.h resulting in the va_start, va_arg and va_end macros to be #defined unconditionally. Make sure we #undef them before overriding the definitions. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2014-08-04releasing package shim version 0.4-0ubuntu5Steve Langasek
2014-07-21Replace build instructions in README with something not completely wrong.Peter Jones
These were really, really out of date.
2014-07-21Replace build instructions in README with something not completely wrong.Peter Jones
These were really, really out of date.
2014-07-14Update openssl to 0.9.8zaGary Ching-Pang Lin
Also update to Tiano Cryptlib r15638
2014-07-14Update openssl to 0.9.8zaGary Ching-Pang Lin
Also update to Tiano Cryptlib r15638
2014-06-25Simplify the checking of SB and DB statesGary Ching-Pang Lin
MokSBState and MokDBState are just 1 byte variables, so a UINT8 local variable is sufficient to include the content. Signed-off-by: Gary Ching-Pang Lin <glin@suse.com> Conflicts: shim.c
2014-06-25Simplify the checking of SB and DB statesGary Ching-Pang Lin
MokSBState and MokDBState are just 1 byte variables, so a UINT8 local variable is sufficient to include the content. Signed-off-by: Gary Ching-Pang Lin <glin@suse.com> Conflicts: shim.c
2014-06-25Make sure we default to assuming we're locked down.Peter Jones
If "SecureBoot" exists but "SetupMode" does not, assume "SetupMode" says we're not in Setup Mode. Signed-off-by: Peter Jones <pjones@redhat.com>
2014-06-25Make sure we default to assuming we're locked down.Peter Jones
If "SecureBoot" exists but "SetupMode" does not, assume "SetupMode" says we're not in Setup Mode. Signed-off-by: Peter Jones <pjones@redhat.com>
2014-06-25Check the secure variables with the lib functionsGary Ching-Pang Lin
There are functions defined in lib to check the secure variables. Use the functions to shun the duplicate code. Signed-off-by: Gary Ching-Pang Lin <glin@suse.com> Conflicts: shim.c
2014-06-25Check the secure variables with the lib functionsGary Ching-Pang Lin
There are functions defined in lib to check the secure variables. Use the functions to shun the duplicate code. Signed-off-by: Gary Ching-Pang Lin <glin@suse.com> Conflicts: shim.c
2014-06-25Explain the logic in secure_mode() better.Peter Jones
I was getting confused reading it, and I wrote it, so clearly it needs more commentry. Signed-off-by: Peter Jones <pjones@redhat.com>
2014-06-25Explain the logic in secure_mode() better.Peter Jones
I was getting confused reading it, and I wrote it, so clearly it needs more commentry. Signed-off-by: Peter Jones <pjones@redhat.com>
2014-06-25Free the string from DevicePathToStrGary Ching-Pang Lin
Signed-off-by: Gary Ching-Pang Lin <glin@suse.com> Conflicts: shim.c
2014-06-25Free the string from DevicePathToStrGary Ching-Pang Lin
Signed-off-by: Gary Ching-Pang Lin <glin@suse.com> Conflicts: shim.c
2014-06-25Silence the functions of shim protocolGary Ching-Pang Lin
When grub2 invokes the functions of shim protocol in gfx mode, OutputString in shim could distort the screen. Signed-off-by: Gary Ching-Pang Lin <glin@suse.com> Conflicts: shim.c (modified by pjones to include some newer Prints that weren't there when Gary did the initial work here.)
2014-06-25Silence the functions of shim protocolGary Ching-Pang Lin
When grub2 invokes the functions of shim protocol in gfx mode, OutputString in shim could distort the screen. Signed-off-by: Gary Ching-Pang Lin <glin@suse.com> Conflicts: shim.c (modified by pjones to include some newer Prints that weren't there when Gary did the initial work here.)
2014-06-25Remove the duplicate calls in lib/console.cGary Ching-Pang Lin
Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
2014-06-25Remove the duplicate calls in lib/console.cGary Ching-Pang Lin
Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
2014-06-25No newline for console_notifyGary Ching-Pang Lin
The newlines are for Print(), not console_notify(). Signed-off-by: Gary Ching-Pang Lin <glin@suse.com> Conflicts: shim.c
2014-06-25No newline for console_notifyGary Ching-Pang Lin
The newlines are for Print(), not console_notify(). Signed-off-by: Gary Ching-Pang Lin <glin@suse.com> Conflicts: shim.c
2014-06-25Exclude ca.crt while signing EFI imagesGary Ching-Pang Lin
If ca.crt was added into the certificate database, ca.crt would be the first certificate in the signature. Because shim couldn't verify ca.crt with the embedded shim.cer, it failed to load MokManager.efi.signed and fallback.efi.signed. Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
2014-06-25Exclude ca.crt while signing EFI imagesGary Ching-Pang Lin
If ca.crt was added into the certificate database, ca.crt would be the first certificate in the signature. Because shim couldn't verify ca.crt with the embedded shim.cer, it failed to load MokManager.efi.signed and fallback.efi.signed. Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
2014-06-25MokManager: handle the error status from ReadKeyStrokeGary Ching-Pang Lin
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
2014-06-25MokManager: handle the error status from ReadKeyStrokeGary Ching-Pang Lin
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
2014-06-25MokManager: delete the BS+NV variables the right wayGary Ching-Pang Lin
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>
2014-06-25MokManager: delete the BS+NV variables the right wayGary Ching-Pang Lin
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>
2014-06-25Remove grubpath in generate_path()Gary Ching-Pang Lin
The variable is not used anymore. Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
2014-06-25Remove grubpath in generate_path()Gary Ching-Pang Lin
The variable is not used anymore. Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
2014-06-25Check the first 4 bytes of the certificateGary Ching-Pang Lin
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>
2014-06-25Check the first 4 bytes of the certificateGary Ching-Pang Lin
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>
2014-06-25Fetch the netboot image from the same deviceGary Ching-Pang Lin
The previous strategy is to locate the first available PXE_BASE_CODE protocol and to fetch the second stage image from it, and this may cause shim to fetch the wrong second stage image, i.e. grub.efi. Consider the machine with the following boot order: 1. PXE Boot 2. Hard Drive Assume that the EFI image, e.g. bootx64.efi, in the PXE server is broken, then "PXE Boot" will fail and fallback to "Hard Drive". While shim.efi in "Hard Drive" is loaded, it will find the PXE protocol is available and fetch grub.efi from the PXE server, not grub.efi in the disk. This commit checks the DeviceHandle from Loaded Image. If the device supports PXE, then shim fetches grub.efi with the PXE protocol. Otherwise, shim loads grub.efi from the disk. Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
2014-06-25Fetch the netboot image from the same deviceGary Ching-Pang Lin
The previous strategy is to locate the first available PXE_BASE_CODE protocol and to fetch the second stage image from it, and this may cause shim to fetch the wrong second stage image, i.e. grub.efi. Consider the machine with the following boot order: 1. PXE Boot 2. Hard Drive Assume that the EFI image, e.g. bootx64.efi, in the PXE server is broken, then "PXE Boot" will fail and fallback to "Hard Drive". While shim.efi in "Hard Drive" is loaded, it will find the PXE protocol is available and fetch grub.efi from the PXE server, not grub.efi in the disk. This commit checks the DeviceHandle from Loaded Image. If the device supports PXE, then shim fetches grub.efi with the PXE protocol. Otherwise, shim loads grub.efi from the disk. Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
2014-05-13[fallback] Try to boot the first boot option anywayGary Ching-Pang Lin
Some UEFI implementations never care the boot options, so the restored boot options could be just ignored and this results in endless reboot. To avoid this situation, this commit makes fallback.efi to load the first matched boot option even if there is no boot option to be restored. It may not be perfect, but at least the bootloader is loaded... Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
2014-05-13[fallback] Try to boot the first boot option anywayGary Ching-Pang Lin
Some UEFI implementations never care the boot options, so the restored boot options could be just ignored and this results in endless reboot. To avoid this situation, this commit makes fallback.efi to load the first matched boot option even if there is no boot option to be restored. It may not be perfect, but at least the bootloader is loaded... Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
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