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Some inline declarations of strtok_r (specifically in Sourcery CodeBench
Lite 2016.11-19) contain code where an '__s' local variable can be used
uninitialized.
When GCC expands that declaration in tpm2-totp, __s becomes an alias to
a variable which fact is not initialized, but this is not relevant since
the execution path leading to the uninitialized use is never followed.
Anyway, apply a patch already submitted upstream to fix the compilation
error.
Upstream bug report:
https://github.com/tpm2-software/tpm2-totp/issues/32
Fixes:
http://autobuild.buildroot.net/results/5693a35e4d6bc76a1f46fe0e217abc49f7188aad/
Signed-off-by: Carlos Santos <unixmania@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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It must be "tpm2-totp", not "tpm2-tools" (probably a copy/paste issue).
Signed-off-by: Carlos Santos <unixmania@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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Fixes:
http://autobuild.buildroot.net/results/6c9bb17920749409e5a0c3388ccda411c6c7cfb4/
tpm2-totp uses _DEFAULT_SOURCE to make the htobe64() macro available,
support for which was only added in glibc 2.20:
https://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html#index-_005fDEFAULT_005fSOURCE
>From glibc 2.20 NEWS:
* The _BSD_SOURCE and _SVID_SOURCE feature test macros are no longer
supported; they now act the same as _DEFAULT_SOURCE (but generate a
warning). Except for cases where _BSD_SOURCE enabled BSD interfaces that
conflicted with POSIX (support for which was removed in 2.19), the
interfaces those macros enabled remain available when compiling with
_GNU_SOURCE defined, with _DEFAULT_SOURCE defined, or without any feature
test macros defined.
This could be worked around by defining _BSD_SOURCE for this old toolchain
(cannot be done unconditionally as it generated warnings for modern glibc
versions), but given that platforms using this old toolchain are unlikely to
have a TPM 2.0 and use it for TOTP, simply blacklist it instead.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
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Library and utility for TOTP based attestation using the tpm2-tss software
stack.
Add an upstream patch to fix format string mismatch errors when building for
32bit architectures.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
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