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change: default to --no-explain, use --explain to get detailed mitigation help

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Stéphane Lesimple 2018-08-04 16:31:41 +02:00
parent b637681fa8
commit 84195689af
1 changed files with 12 additions and 4 deletions
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16
spectre-meltdown-checker.sh
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@ -50,7 +50,7 @@ show_usage()
Options: Options:
--no-color don't use color codes --no-color don't use color codes
--verbose, -v increase verbosity level, possibly several times --verbose, -v increase verbosity level, possibly several times
--no-explain don't produce a human-readable explanation of actions to take to mitigate a vulnerability --explain produce an additional human-readable explanation of actions to take to mitigate a vulnerability
--paranoid require IBPB to deem Variant 2 as mitigated --paranoid require IBPB to deem Variant 2 as mitigated
--no-sysfs don't use the /sys interface even if present [Linux] --no-sysfs don't use the /sys interface even if present [Linux]
@ -133,7 +133,7 @@ opt_coreos=0
opt_arch_prefix='' opt_arch_prefix=''
opt_hw_only=0 opt_hw_only=0
opt_no_hw=0 opt_no_hw=0
opt_no_explain=0 opt_explain=0
opt_paranoid=0 opt_paranoid=0
global_critical=0 global_critical=0
@ -235,7 +235,7 @@ _debug()
explain() explain()
{ {
if [ "$opt_no_explain" != 1 ] ; then if [ "$opt_explain" = 1 ] ; then
_info '' _info ''
_info "> \033[41m\033[30mHow to fix:\033[0m $*" _info "> \033[41m\033[30mHow to fix:\033[0m $*"
fi fi
@ -584,7 +584,11 @@ while [ -n "$1" ]; do
opt_no_hw=1 opt_no_hw=1
shift shift
elif [ "$1" = "--no-explain" ]; then elif [ "$1" = "--no-explain" ]; then
opt_no_explain=1 # deprecated, kept for compatibility
opt_explain=0
shift
elif [ "$1" = "--explain" ]; then
opt_explain=1
shift shift
elif [ "$1" = "--batch" ]; then elif [ "$1" = "--batch" ]; then
opt_batch=1 opt_batch=1
@ -3122,6 +3126,10 @@ fi
_vars=$(set | grep -Ev '^[A-Z_[:space:]]' | sort | tr "\n" '|') _vars=$(set | grep -Ev '^[A-Z_[:space:]]' | sort | tr "\n" '|')
_debug "variables at end of script: $_vars" _debug "variables at end of script: $_vars"
if [ "$opt_explain" = 0 ]; then
_info "Need more detailed information about mitigation options? Use --explain"
fi
_info "A false sense of security is worse than no security at all, see --disclaimer" _info "A false sense of security is worse than no security at all, see --disclaimer"
if [ "$opt_batch" = 1 ] && [ "$opt_batch_format" = "nrpe" ]; then if [ "$opt_batch" = 1 ] && [ "$opt_batch_format" = "nrpe" ]; then