mirror of
https://github.com/torvalds/linux.git
synced 2024-11-28 15:11:31 +00:00
38 lines
1.0 KiB
Awk
38 lines
1.0 KiB
Awk
|
#!/usr/bin/awk -f
|
||
|
|
# SPDX-License-Identifier: GPL-2.0
|
||
|
|
#
|
||
|
|
# Copyright © 2020, Microsoft Corporation. All rights reserved.
|
||
|
|
#
|
||
|
|
# Author: Mickaël Salaün <mic@linux.microsoft.com>
|
||
|
|
#
|
||
|
|
# Check that a CONFIG_SYSTEM_BLACKLIST_HASH_LIST file contains a valid array of
|
||
|
|
# hash strings. Such string must start with a prefix ("tbs" or "bin"), then a
|
||
|
|
# colon (":"), and finally an even number of hexadecimal lowercase characters
|
||
|
|
# (up to 128).
|
||
|
|
|
||
|
|
BEGIN {
|
||
|
|
RS = ","
|
||
|
|
}
|
||
|
|
{
|
||
|
|
if (!match($0, "^[ \t\n\r]*\"([^\"]*)\"[ \t\n\r]*$", part1)) {
|
||
|
|
print "Not a string (item " NR "):", $0;
|
||
|
|
exit 1;
|
||
|
|
}
|
||
|
|
if (!match(part1[1], "^(tbs|bin):(.*)$", part2)) {
|
||
|
|
print "Unknown prefix (item " NR "):", part1[1];
|
||
|
|
exit 1;
|
||
|
|
}
|
||
|
|
if (!match(part2[2], "^([0-9a-f]+)$", part3)) {
|
||
|
|
print "Not a lowercase hexadecimal string (item " NR "):", part2[2];
|
||
|
|
exit 1;
|
||
|
|
}
|
||
|
|
if (length(part3[1]) > 128) {
|
||
|
|
print "Hash string too long (item " NR "):", part3[1];
|
||
|
|
exit 1;
|
||
|
|
}
|
||
|
|
if (length(part3[1]) % 2 == 1) {
|
||
|
|
print "Not an even number of hexadecimal characters (item " NR "):", part3[1];
|
||
|
|
exit 1;
|
||
|
|
}
|
||
|
|
}
|