peter/spectre-meltdown-checker
peter/spectre-meltdown-checker
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chore: rename mcedb cmdline parameters to fwdb

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Stéphane Lesimple 2019-11-23 13:39:51 +01:00
parent bb32a16a86
commit fa7f814f4f
1 changed files with 12 additions and 14 deletions
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26
spectre-meltdown-checker.sh
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@ -90,8 +90,9 @@ show_usage()
--hw-only only check for CPU information, don't check for any variant
--no-hw skip CPU information and checks, if you're inspecting a kernel not to be run on this host
--vmm [auto,yes,no] override the detection of the presence of a hypervisor (for CVE-2018-3646), default: auto
--update-mcedb update our local copy of the CPU microcodes versions database (from the awesome MCExtractor project)
--update-builtin-mcedb same as --update-mcedb but update builtin DB inside the script itself
--update-fwdb update our local copy of the CPU microcodes versions database (using the awesome MCExtractor project
and the Intel firmwares GitHub repository)
--update-builtin-fwdb same as --update-fwdb but update builtin DB inside the script itself
--dump-mock-data used to mimick a CPU on an other system, mainly used to help debugging this script
Return codes:
@ -707,7 +708,7 @@ show_header()
[ -z "$HOME" ] && HOME="$(getent passwd "$(whoami)" | cut -d: -f6)"
mcedb_cache="$HOME/.mcedb"
update_mcedb()
update_fwdb()
{
show_header
@ -915,11 +916,11 @@ while [ -n "$1" ]; do
# deprecated, kept for compatibility
opt_explain=0
shift
elif [ "$1" = "--update-mcedb" ]; then
update_mcedb
elif [ "$1" = "--update-fwdb" ] || [ "$1" = "--update-mcedb" ]; then
update_fwdb
exit $?
elif [ "$1" = "--update-builtin-mcedb" ]; then
update_mcedb builtin
elif [ "$1" = "--update-builtin-fwdb" ] || [ "$1" = "--update-builtin-mcedb" ]; then
update_fwdb builtin
exit $?
elif [ "$1" = "--dump-mock-data" ]; then
opt_mock=1
@ -1765,10 +1766,10 @@ is_xen_domU()
if [ -r "$mcedb_cache" ]; then
mcedb_source="$mcedb_cache"
mcedb_info="local MCExtractor DB "$(grep -E '^# %%% MCEDB ' "$mcedb_source" | cut -c13-)
mcedb_info="local firmwares DB "$(grep -E '^# %%% MCEDB ' "$mcedb_source" | cut -c13-)
else
mcedb_source="$0"
mcedb_info="builtin MCExtractor DB "$(grep -E '^# %%% MCEDB ' "$mcedb_source" | cut -c13-)
mcedb_info="builtin firmwares DB "$(grep -E '^# %%% MCEDB ' "$mcedb_source" | cut -c13-)
fi
read_mcedb()
{
@ -5019,11 +5020,8 @@ fi
exit 0 # ok
# We're using MCE.db from the excellent platomav's MCExtractor project
# The builtin version follows, but the user can download an up-to-date copy (to be stored in his $HOME) by using --update-mcedb
# To update the builtin version itself (by *modifying* this very file), use --update-builtin-mcedb
# wget https://github.com/platomav/MCExtractor/raw/master/MCE.db
# sqlite3 MCE.db "select '%%% MCEDB v'||revision||' - '||strftime('%Y/%m/%d', date, 'unixepoch') from MCE; select '# I,0x'||cpuid||',0x'||version||','||max(yyyymmdd) from Intel group by cpuid order by cpuid asc; select '# A,0x'||cpuid||',0x'||version||','||max(yyyymmdd) from AMD group by cpuid order by cpuid asc"
# The builtin version follows, but the user can download an up-to-date copy (to be stored in his $HOME) by using --update-fwdb
# To update the builtin version itself (by *modifying* this very file), use --update-builtin-fwdb
# %%% MCEDB v130.20191104+i20191027
# I,0x00000611,0x00000B27,19961218