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authorAndy Polyakov <appro@openssl.org>2015-05-11 12:16:01 +0200
committerAndy Polyakov <appro@openssl.org>2015-05-13 18:05:22 +0200
commit8a09500d9cc1bafcbafb4d18c1bf2238bf354171 (patch)
tree6641080ce7f0bd28d7db1d866104501e9477df3f /util/incore
parent0ae16722876a9e424a1abc2c5285268476d99c35 (diff)
util/incore update that allows FINGERPRINT_premain-free build.
As for complementary fips.c modification. Goal is to ensure that FIPS_signature does not end up in .bss segment, one guaranteed to be zeroed upon program start-up. One would expect explicitly initialized values to end up in .data segment, but it turned out that values explicitly initialized with zeros can end up in .bss. The modification does not affect program flow, because first byte was the only one of significance [to FINGERPRINT_premain]. Reviewed-by: Dr. Stephen Henson <steve@openssl.org> (cherry picked from commit 34f39b062c76fbd3082521b26edee7f53afc061d)
Diffstat (limited to 'util/incore')
-rwxr-xr-xutil/incore7
1 files changed, 5 insertions, 2 deletions
diff --git a/util/incore b/util/incore
index e6e6ecfd89..bb765b1966 100755
--- a/util/incore
+++ b/util/incore
@@ -382,7 +382,7 @@ if (!$legacy_mode) {
}
$FINGERPRINT_ascii_value
- = $exe->Lookup("FINGERPRINT_ascii_value") or die;
+ = $exe->Lookup("FINGERPRINT_ascii_value");
}
if ($FIPS_text_startX && $FIPS_text_endX) {
@@ -439,9 +439,12 @@ $fingerprint = FIPS_incore_fingerprint();
if ($legacy_mode) {
print unpack("H*",$fingerprint);
-} else {
+} elsif (defined($FINGERPRINT_ascii_value)) {
seek(FD,$FINGERPRINT_ascii_value->{st_offset},0) or die "$!";
print FD unpack("H*",$fingerprint) or die "$!";
+} else {
+ seek(FD,$FIPS_signature->{st_offset},0) or die "$!";
+ print FD $fingerprint or die "$!";
}
close (FD);