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kconfig_lint: Fix checks when running in taint mode 

The builders run perl scripts in taint mode, and some of the checks
that the kconfig lint script were running were tainted, causing
the script to terminate early when running on the servers.

This checks to see if taint mode is enabled, and untaints the path
if it is.  All external tools (git & grep) must be in
/bin, /usr/bin, or /usr/local/bin.
This also removes the check for unused kconfig files if taint mode
is enabled.

Change-Id: I8d1e1c32275f759d085759fb5d8a6c85d4f99539
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/13751
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins)
This commit is contained in:
Martin Roth 2016-02-19 10:24:25 -07:00
parent 22aa9e3fcc
commit abf7d4d7e8
1 changed files with 15 additions and 4 deletions
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19
util/lint/kconfig_lint
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@ -26,6 +26,12 @@ use File::Find;
use Getopt::Long;
use Getopt::Std;
# If taint mode is enabled, Untaint the path - git and grep must be in /bin, /usr/bin or /usr/local/bin
if ( ${^TAINT} ) {
$ENV{'PATH'} = '/bin:/usr/bin:/usr/local/bin';
delete @ENV{ 'IFS', 'CDPATH', 'ENV', 'BASH_ENV' };
}
my $suppress_error_output = 0; # flag to prevent error text
my $suppress_warning_output = 0; # flag to prevent warning text
my $show_note_output = 0; # flag to show minor notes text
@ -33,7 +39,7 @@ my $print_full_output = 0; # flag to print wholeconfig output
my $output_file = "-"; # filename of output - set stdout by default
my $dont_use_git_grep = 0;
#globals
# Globals
my $top_dir = "."; # Directory where Kconfig is run
my $root_dir = "src"; # Directory of the top level Kconfig file
my $errors_found = 0; # count of errors
@ -76,9 +82,6 @@ sub Main {
#load the Kconfig tree, checking what we can and building up all the hash tables
build_and_parse_kconfig_tree("$root_dir/Kconfig");
#run checks based on the data that was found
find( \&check_if_file_referenced, $root_dir );
load_config($config_file) if ($config_file);
check_defaults();
@ -91,6 +94,14 @@ sub Main {
check_is_enabled();
check_selected_symbols();
# Run checks based on the data that was found
if ( ( !$suppress_warning_output ) && ( ${^TAINT} == 0 ) ) {
# The find function is tainted - only run it if taint checking
# is disabled and warnings are enabled.
find( \&check_if_file_referenced, $root_dir );
}
print_wholeconfig();
if ($errors_found) {