peter/spectre-meltdown-checker
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spectre-meltdown-checker
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feat: set default TMPDIR for Android (#415)

This commit is contained in:
Stéphane Lesimple 2022-03-22 22:32:40 +01:00
parent 2a5b965b98
commit 5f6471d9a4
1 changed files with 12 additions and 6 deletions
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18
spectre-meltdown-checker.sh
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@ -850,7 +850,7 @@ update_fwdb()
fi
# first, download the MCE.db from the excellent platomav's MCExtractor project
mcedb_tmp="$(mktemp /tmp/mcedb-XXXXXX)"
mcedb_tmp="$(mktemp -t smc-mcedb-XXXXXX)"
mcedb_url='https://github.com/platomav/MCExtractor/raw/master/MCE.db'
_info_nol "Fetching MCE.db from the MCExtractor project... "
if command -v wget >/dev/null 2>&1; then
@ -870,7 +870,7 @@ update_fwdb()
echo DONE
# second, get the Intel firmwares from GitHub
intel_tmp="$(mktemp -d /tmp/intelfw-XXXXXX)"
intel_tmp="$(mktemp -d -t smc-intelfw-XXXXXX)"
intel_url="https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/archive/main.zip"
_info_nol "Fetching Intel firmwares... "
## https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files.git
@ -970,7 +970,7 @@ update_fwdb()
echo DONE "(version $dbversion)"
if [ "$1" = builtin ]; then
newfile=$(mktemp /tmp/smc-XXXXXX)
newfile=$(mktemp -t smc-builtin-XXXXXX)
awk '/^# %%% MCEDB / { exit }; { print }' "$0" > "$newfile"
awk '{ if (NR>1) { print } }' "$mcedb_cache" >> "$newfile"
cat "$newfile" > "$0"
@ -1377,7 +1377,7 @@ try_decompress()
return 0
elif [ "$3" != "cat" ]; then
_debug "try_decompress: decompression with $3 worked but result is not a kernel, trying with an offset"
[ -z "$kerneltmp2" ] && kerneltmp2=$(mktemp /tmp/kernel-XXXXXX)
[ -z "$kerneltmp2" ] && kerneltmp2=$(mktemp -t smc-kernel-XXXXXX)
cat "$kerneltmp" > "$kerneltmp2"
try_decompress '\177ELF' xxy 'cat' '' cat "$kerneltmp2" && return 0
else
@ -1391,7 +1391,7 @@ extract_kernel()
{
[ -n "${1:-}" ] || return 1
# Prepare temp files:
kerneltmp="$(mktemp /tmp/kernel-XXXXXX)"
kerneltmp="$(mktemp -t smc-kernel-XXXXXX)"
# Initial attempt for uncompressed images or objects:
if check_kernel "$1"; then
@ -2179,6 +2179,12 @@ mockme=''
mocked=0
specex_knob_dir=/dev/no_valid_path
# if /tmp doesn't exist and TMPDIR is not set, try to set it to a sane default for Android
if [ -z "${TMPDIR:-}" ] && ! [ -d "/tmp" ] && [ -d "/data/local/tmp" ]; then
TMPDIR=/data/local/tmp
export TMPDIR
fi
parse_cpu_details
get_cmdline
@ -2277,7 +2283,7 @@ if [ "$opt_live" = 1 ]; then
# specified by user on cmdline, with --live, don't override
:
elif [ -e "$procfs/config.gz" ] ; then
dumped_config="$(mktemp /tmp/config-XXXXXX)"
dumped_config="$(mktemp -t smc-config-XXXXXX)"
gunzip -c "$procfs/config.gz" > "$dumped_config"
# dumped_config will be deleted at the end of the script
opt_config="$dumped_config"