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ima-evm-utils: Check for tsspcrread in runtime

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instead of checking in build time as it's runtime dependency.
Also log when tsspcrread not found to make debugging easier.

We search for tsspcrread unless there is tss2-esys with Esys_PCR_Read(),
thus pcr_none.c was dropped as unneeded.

file_exist(), tst_get_path() and MIN() taken from LTP project.

Signed-off-by: Petr Vorel <pvorel@suse.cz>
[zohar@linux.ibm.com: added USE_FPRINTF definitions]
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
This commit is contained in:
Petr Vorel
2020-07-15 15:28:17 +02:00
committed by Mimi Zohar
parent 1bf51afb46
commit 80d3fda608
7 changed files with 110 additions and 71 deletions
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7
configure.ac
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@ -30,12 +30,6 @@ AC_SUBST(KERNEL_HEADERS)
AC_CHECK_HEADER(unistd.h)
AC_CHECK_HEADERS(openssl/conf.h)
AC_CHECK_PROG(TSSPCRREAD, [tsspcrread], yes, no)
if test "x$TSSPCRREAD" = "xyes"; then
AC_DEFINE(HAVE_TSSPCRREAD, 1, [Define to 1 if you have tsspcrread binary installed])
fi
AM_CONDITIONAL([USE_PCRTSSPCRREAD], [test "x$TSSPCRREAD" = "xyes"])
AC_CHECK_LIB([tss2-esys], [Esys_PCR_Read])
AC_CHECK_LIB([tss2-rc], [Tss2_RC_Decode])
AM_CONDITIONAL([USE_PCRTSS], [test "x$ac_cv_lib_tss2_esys_Esys_PCR_Read" = "xyes"])
@ -83,7 +77,6 @@ echo
echo "Configuration:"
echo " debug: $pkg_cv_enable_debug"
echo " openssl-conf: $enable_openssl_conf"
echo " tsspcrread: $TSSPCRREAD"
echo " tss2-esys: $ac_cv_lib_tss2_esys_Esys_PCR_Read"
echo " tss2-rc-decode: $ac_cv_lib_tss2_rc_Tss2_RC_Decode"
echo