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5c67b5adc3
openssl/0033-FIPS-embed-hmac.patch
Dmitry Belyavskiy 5c67b5adc3 Slightly rearranged the patches we have
2023-08-31 17:23:53 +02:00

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From ed02a8b9e767224dc7512a4a176e4aae045b3573 Mon Sep 17 00:00:00 2001
From: rpm-build <rpm-build>
Date: Mon, 31 Jul 2023 09:41:28 +0200
Subject: [PATCH 16/46] 0033-FIPS-embed-hmac.patch
Patch-name: 0033-FIPS-embed-hmac.patch
Patch-id: 33
Patch-status: |
# Embed HMAC into the fips.so
From-dist-git-commit: 9409bc7044cf4b5773639cce20f51399888c45fd
---
providers/fips/self_test.c | 70 ++++++++++++++++++++++++---
test/fipsmodule.cnf | 2 +
test/recipes/00-prep_fipsmodule_cnf.t | 2 +-
test/recipes/01-test_fipsmodule_cnf.t | 2 +-
test/recipes/03-test_fipsinstall.t | 2 +-
test/recipes/30-test_defltfips.t | 2 +-
test/recipes/80-test_ssl_new.t | 2 +-
test/recipes/90-test_sslapi.t | 2 +-
8 files changed, 71 insertions(+), 13 deletions(-)
create mode 100644 test/fipsmodule.cnf
diff --git a/providers/fips/self_test.c b/providers/fips/self_test.c
index 10804d9f59..5e418a2c11 100644
--- a/providers/fips/self_test.c
+++ b/providers/fips/self_test.c
@@ -231,11 +231,27 @@ err:
return ok;
}
+#define HMAC_LEN 32
+/*
+ * The __attribute__ ensures we've created the .rodata1 section
+ * static ensures it's zero filled
+*/
+static const unsigned char __attribute__ ((section (".rodata1"))) fips_hmac_container[HMAC_LEN] = {0};
+
/*
* Calculate the HMAC SHA256 of data read using a BIO and read_cb, and verify
* the result matches the expected value.
* Return 1 if verified, or 0 if it fails.
*/
+#ifndef __USE_GNU
+#define __USE_GNU
+#include <dlfcn.h>
+#undef __USE_GNU
+#else
+#include <dlfcn.h>
+#endif
+#include <link.h>
+
static int verify_integrity(OSSL_CORE_BIO *bio, OSSL_FUNC_BIO_read_ex_fn read_ex_cb,
unsigned char *expected, size_t expected_len,
OSSL_LIB_CTX *libctx, OSSL_SELF_TEST *ev,
@@ -248,12 +264,23 @@ static int verify_integrity(OSSL_CORE_BIO *bio, OSSL_FUNC_BIO_read_ex_fn read_ex
EVP_MAC *mac = NULL;
EVP_MAC_CTX *ctx = NULL;
OSSL_PARAM params[2], *p = params;
+ Dl_info info;
+ void *extra_info = NULL;
+ struct link_map *lm = NULL;
+ unsigned long paddr;
+ unsigned long off = 0;
if (!integrity_self_test(ev, libctx))
goto err;
OSSL_SELF_TEST_onbegin(ev, event_type, OSSL_SELF_TEST_DESC_INTEGRITY_HMAC);
+ if (!dladdr1 ((const void *)fips_hmac_container,
+ &info, &extra_info, RTLD_DL_LINKMAP))
+ goto err;
+ lm = extra_info;
+ paddr = (unsigned long)fips_hmac_container - lm->l_addr;
+
mac = EVP_MAC_fetch(libctx, MAC_NAME, NULL);
if (mac == NULL)
goto err;
@@ -267,13 +294,42 @@ static int verify_integrity(OSSL_CORE_BIO *bio, OSSL_FUNC_BIO_read_ex_fn read_ex
if (!EVP_MAC_init(ctx, fixed_key, sizeof(fixed_key), params))
goto err;
- while (1) {
- status = read_ex_cb(bio, buf, sizeof(buf), &bytes_read);
+ while ((off + INTEGRITY_BUF_SIZE) <= paddr) {
+ status = read_ex_cb(bio, buf, INTEGRITY_BUF_SIZE, &bytes_read);
+ if (status != 1)
+ break;
+ if (!EVP_MAC_update(ctx, buf, bytes_read))
+ goto err;
+ off += bytes_read;
+ }
+
+ if (off + INTEGRITY_BUF_SIZE > paddr) {
+ int delta = paddr - off;
+ status = read_ex_cb(bio, buf, delta, &bytes_read);
+ if (status != 1)
+ goto err;
+ if (!EVP_MAC_update(ctx, buf, bytes_read))
+ goto err;
+ off += bytes_read;
+
+ status = read_ex_cb(bio, buf, HMAC_LEN, &bytes_read);
+ memset(buf, 0, HMAC_LEN);
+ if (status != 1)
+ goto err;
+ if (!EVP_MAC_update(ctx, buf, bytes_read))
+ goto err;
+ off += bytes_read;
+ }
+
+ while (bytes_read > 0) {
+ status = read_ex_cb(bio, buf, INTEGRITY_BUF_SIZE, &bytes_read);
if (status != 1)
break;
if (!EVP_MAC_update(ctx, buf, bytes_read))
goto err;
+ off += bytes_read;
}
+
if (!EVP_MAC_final(ctx, out, &out_len, sizeof(out)))
goto err;
@@ -283,6 +339,7 @@ static int verify_integrity(OSSL_CORE_BIO *bio, OSSL_FUNC_BIO_read_ex_fn read_ex
goto err;
ret = 1;
err:
+ OPENSSL_cleanse(out, sizeof(out));
OSSL_SELF_TEST_onend(ev, ret);
EVP_MAC_CTX_free(ctx);
EVP_MAC_free(mac);
@@ -349,8 +406,7 @@ int SELF_TEST_post(SELF_TEST_POST_PARAMS *st, int on_demand_test)
CRYPTO_THREAD_unlock(fips_state_lock);
}
- if (st == NULL
- || st->module_checksum_data == NULL) {
+ if (st == NULL) {
ERR_raise(ERR_LIB_PROV, PROV_R_MISSING_CONFIG_DATA);
goto end;
}
@@ -359,8 +415,9 @@ int SELF_TEST_post(SELF_TEST_POST_PARAMS *st, int on_demand_test)
if (ev == NULL)
goto end;
- module_checksum = OPENSSL_hexstr2buf(st->module_checksum_data,
- &checksum_len);
+ module_checksum = fips_hmac_container;
+ checksum_len = sizeof(fips_hmac_container);
+
if (module_checksum == NULL) {
ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_CONFIG_DATA);
goto end;
@@ -434,7 +491,6 @@ int SELF_TEST_post(SELF_TEST_POST_PARAMS *st, int on_demand_test)
end:
EVP_RAND_free(testrand);
OSSL_SELF_TEST_free(ev);
- OPENSSL_free(module_checksum);
OPENSSL_free(indicator_checksum);
if (st != NULL) {
diff --git a/test/fipsmodule.cnf b/test/fipsmodule.cnf
new file mode 100644
index 0000000000..f05d0dedbe
--- /dev/null
+++ b/test/fipsmodule.cnf
@@ -0,0 +1,2 @@
+[fips_sect]
+activate = 1
diff --git a/test/recipes/00-prep_fipsmodule_cnf.t b/test/recipes/00-prep_fipsmodule_cnf.t
index 4e3a6d85e8..e8255ba974 100644
--- a/test/recipes/00-prep_fipsmodule_cnf.t
+++ b/test/recipes/00-prep_fipsmodule_cnf.t
@@ -20,7 +20,7 @@ use lib srctop_dir('Configurations');
use lib bldtop_dir('.');
use platform;
-my $no_check = disabled("fips");
+my $no_check = 1;
plan skip_all => "FIPS module config file only supported in a fips build"
if $no_check;
diff --git a/test/recipes/01-test_fipsmodule_cnf.t b/test/recipes/01-test_fipsmodule_cnf.t
index ce594817d5..00cebacff8 100644
--- a/test/recipes/01-test_fipsmodule_cnf.t
+++ b/test/recipes/01-test_fipsmodule_cnf.t
@@ -23,7 +23,7 @@ use lib srctop_dir('Configurations');
use lib bldtop_dir('.');
use platform;
-my $no_check = disabled("fips");
+my $no_check = 1;
plan skip_all => "Test only supported in a fips build"
if $no_check;
plan tests => 1;
diff --git a/test/recipes/03-test_fipsinstall.t b/test/recipes/03-test_fipsinstall.t
index b8b136d110..8242f4ebc3 100644
--- a/test/recipes/03-test_fipsinstall.t
+++ b/test/recipes/03-test_fipsinstall.t
@@ -22,7 +22,7 @@ use lib srctop_dir('Configurations');
use lib bldtop_dir('.');
use platform;
-plan skip_all => "Test only supported in a fips build" if disabled("fips");
+plan skip_all => "Test only supported in a fips build" if 1;
# Compatible options for pedantic FIPS compliance
my @pedantic_okay =
diff --git a/test/recipes/30-test_defltfips.t b/test/recipes/30-test_defltfips.t
index 426bd660d1..6dc514936b 100644
--- a/test/recipes/30-test_defltfips.t
+++ b/test/recipes/30-test_defltfips.t
@@ -21,7 +21,7 @@ BEGIN {
use lib srctop_dir('Configurations');
use lib bldtop_dir('.');
-my $no_fips = disabled('fips') || ($ENV{NO_FIPS} // 0);
+my $no_fips = 1; #disabled('fips') || ($ENV{NO_FIPS} // 0);
plan tests =>
($no_fips ? 1 : 5);
diff --git a/test/recipes/80-test_ssl_new.t b/test/recipes/80-test_ssl_new.t
index 0c6d6402d9..e45f9cb560 100644
--- a/test/recipes/80-test_ssl_new.t
+++ b/test/recipes/80-test_ssl_new.t
@@ -27,7 +27,7 @@ setup("test_ssl_new");
use lib srctop_dir('Configurations');
use lib bldtop_dir('.');
-my $no_fips = disabled('fips') || ($ENV{NO_FIPS} // 0);
+my $no_fips = 1; #disabled('fips') || ($ENV{NO_FIPS} // 0);
$ENV{TEST_CERTS_DIR} = srctop_dir("test", "certs");
diff --git a/test/recipes/90-test_sslapi.t b/test/recipes/90-test_sslapi.t
index 9e9e32b51e..1a1a7159b5 100644
--- a/test/recipes/90-test_sslapi.t
+++ b/test/recipes/90-test_sslapi.t
@@ -17,7 +17,7 @@ setup("test_sslapi");
use lib srctop_dir('Configurations');
use lib bldtop_dir('.');
-my $no_fips = disabled('fips') || ($ENV{NO_FIPS} // 0);
+my $no_fips = 1; #disabled('fips') || ($ENV{NO_FIPS} // 0);
my $fipsmodcfg_filename = "fipsmodule.cnf";
my $fipsmodcfg = bldtop_file("test", $fipsmodcfg_filename);
--
2.41.0
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