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sssd/0059-p11_child-add-crl_file-option-for-the-OpenSSL-build.patch

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Backport a bunch of upstream fixes - Resolves: upstream#3821 - crash related to sbus_router_destructor() - Resolves: upstream#3810 - sbus2: fix memory leak in sbus_message_bound_ref - Resolves: upstream#3819 - sssd only sets the SELinux login context if it differs from the default - Resolves: upstream#3807 - The sbus codegen script relies on "python" which might not be available on all distributions - Resolves: upstream#3820 - sudo: search with lower cased name for case insensitive domains - Resolves: upstream#3701 - [RFE] Allow changing default behavior of SSSD from an allow-any default to a deny-any default when it can't find any GPOs to apply to a user login. - Resolves: upstream#3828 - Invalid domain provider causes SSSD to abort startup - Resolves: upstream#3500 - Make sure sssd is a replacement for pam_pkcs11 also for local account authentication - Resolves: upstream#3812 - sssd 2.0.0 segfaults on startup - Resolves: upstream#3826 - Remove references of sss_user/group/add/del commands in man pages since local provider is deprecated - Resolves: upstream#3827 - SSSD should log to syslog if a domain is not started due to a misconfiguration - Resolves: upstream#3830 - Printing incorrect information about domain with sssctl utility - Resolves: upstream#3489 - p11_child should work wit openssl1.0+ - Resolves: upstream#3750 - [RFE] man 5 sssd-files should mention necessary changes in nsswitch.conf - Resovles: upstream#3650 - RFE: Require smartcard authentication - Resolves: upstream#3334 - sssctl config-check does not check any special characters in domain name of domain section - Resolves: upstream#3849 - Files: The files provider always enumerates which causes duplicate when running getent passwd - Related: upstream#3855 - session not recording for local user when groups defined - Resolves: upstream#3802 - Reuse sysdb_error_to_errno() outside sysdb - Related: upstream#3493 - Remove the pysss.local interface
2018-10-24 08:34:15 +00:00
From 3c096c9ad6dad911d035cfdd802b5dda4710fc68 Mon Sep 17 00:00:00 2001
From: Sumit Bose <sbose@redhat.com>
Date: Thu, 11 Oct 2018 17:35:24 +0200
Subject: [PATCH 75/83] p11_child: add crl_file option for the OpenSSL build
In the NSS build a Certificate Revocation List (CRL) can just be added
to the NSS database. For OpenSSL a separate file is needed.
Related to https://pagure.io/SSSD/sssd/issue/3489
Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
---
src/man/sssd.conf.5.xml | 24 ++++++++++++++++++++++++
src/p11_child/p11_child_common.c | 12 ++++++------
src/p11_child/p11_child_openssl.c | 26 +++++++++++++++++++++++++-
src/tests/cmocka/test_utils.c | 16 ++++++++++++++++
src/util/util.c | 13 +++++++++++++
src/util/util.h | 1 +
6 files changed, 85 insertions(+), 7 deletions(-)
diff --git a/src/man/sssd.conf.5.xml b/src/man/sssd.conf.5.xml
index 5e3ae48..bea25c6 100644
--- a/src/man/sssd.conf.5.xml
+++ b/src/man/sssd.conf.5.xml
@@ -503,6 +503,30 @@
pam_cert_db_path.</para>
</listitem>
</varlistentry>
+ <varlistentry>
+ <term>crl_file=/PATH/TO/CRL/FILE</term>
+ <listitem>
+ <para>(NSS Version) This option is
+ ignored, please see
+ <citerefentry>
+ <refentrytitle>crlutil</refentrytitle>
+ <manvolnum>1</manvolnum>
+ </citerefentry>
+ how to import a Certificate Revocation
+ List (CRL) into a NSS database.</para>
+
+ <para>(OpenSSL Version) Use the
+ Certificate Revocation List (CRL) from
+ the given file during the verification
+ of the certificate. The CRL must be
+ given in PEM format, see
+ <citerefentry>
+ <refentrytitle>crl</refentrytitle>
+ <manvolnum>1ssl</manvolnum>
+ </citerefentry>
+ for details.</para>
+ </listitem>
+ </varlistentry>
</variablelist>
</para>
<para condition="with_nss">
diff --git a/src/p11_child/p11_child_common.c b/src/p11_child/p11_child_common.c
index 097e7fa..b992aeb 100644
--- a/src/p11_child/p11_child_common.c
+++ b/src/p11_child/p11_child_common.c
@@ -48,7 +48,7 @@ static const char *op_mode_str(enum op_mode mode)
return "pre-auth";
break;
case OP_VERIFIY:
- return "verifiy";
+ return "verify";
break;
default:
return "unknown";
@@ -219,7 +219,7 @@ int main(int argc, const char *argv[])
case 'a':
if (mode != OP_NONE) {
fprintf(stderr,
- "\n--verifiy, --auth and --pre are mutually " \
+ "\n--verify, --auth and --pre are mutually " \
"exclusive and should be only used once.\n\n");
poptPrintUsage(pc, stderr, 0);
_exit(-1);
@@ -229,7 +229,7 @@ int main(int argc, const char *argv[])
case 'p':
if (mode != OP_NONE) {
fprintf(stderr,
- "\n--verifiy, --auth and --pre are mutually " \
+ "\n--verify, --auth and --pre are mutually " \
"exclusive and should be only used once.\n\n");
poptPrintUsage(pc, stderr, 0);
_exit(-1);
@@ -239,7 +239,7 @@ int main(int argc, const char *argv[])
case 'v':
if (mode != OP_NONE) {
fprintf(stderr,
- "\n--verifiy, --auth and --pre are mutually " \
+ "\n--verify, --auth and --pre are mutually " \
"exclusive and should be only used once.\n\n");
poptPrintUsage(pc, stderr, 0);
_exit(-1);
@@ -283,7 +283,7 @@ int main(int argc, const char *argv[])
if (mode == OP_NONE) {
fprintf(stderr, "\nMissing operation mode, either " \
- "--verifiy, --auth or --pre must be specified.\n\n");
+ "--verify, --auth or --pre must be specified.\n\n");
poptPrintUsage(pc, stderr, 0);
_exit(-1);
} else if (mode == OP_AUTH && pin_mode == PIN_NONE) {
@@ -350,7 +350,7 @@ int main(int argc, const char *argv[])
ret = parse_cert_verify_opts(main_ctx, verify_opts, &cert_verify_opts);
if (ret != EOK) {
- DEBUG(SSSDBG_FATAL_FAILURE, "Failed to parse verifiy option.\n");
+ DEBUG(SSSDBG_FATAL_FAILURE, "Failed to parse verify option.\n");
goto fail;
}
diff --git a/src/p11_child/p11_child_openssl.c b/src/p11_child/p11_child_openssl.c
index d66a2f8..9defdfc 100644
--- a/src/p11_child/p11_child_openssl.c
+++ b/src/p11_child/p11_child_openssl.c
@@ -501,6 +501,7 @@ errno_t init_verification(struct p11_ctx *p11_ctx,
X509_STORE *store = NULL;
unsigned long err;
X509_LOOKUP *lookup = NULL;
+ X509_VERIFY_PARAM *verify_param = NULL;
store = X509_STORE_new();
if (store == NULL) {
@@ -527,6 +528,30 @@ errno_t init_verification(struct p11_ctx *p11_ctx,
goto done;
}
+ if (cert_verify_opts->crl_file != NULL) {
+ verify_param = X509_VERIFY_PARAM_new();
+ if (verify_param == NULL) {
+ DEBUG(SSSDBG_OP_FAILURE, "X509_VERIFY_PARAM_new failed.\n");
+ ret = ENOMEM;
+ goto done;
+ }
+
+ X509_VERIFY_PARAM_set_flags(verify_param, (X509_V_FLAG_CRL_CHECK
+ | X509_V_FLAG_CRL_CHECK_ALL));
+
+ X509_STORE_set1_param(store, verify_param);
+
+ ret = X509_load_crl_file(lookup, cert_verify_opts->crl_file,
+ X509_FILETYPE_PEM);
+ if (ret == 0) {
+ err = ERR_get_error();
+ DEBUG(SSSDBG_OP_FAILURE, "X509_load_crl_file failed [%lu][%s].\n",
+ err, ERR_error_string(err, NULL));
+ ret = EIO;
+ goto done;
+ }
+ }
+
p11_ctx->x509_store = store;
p11_ctx->cert_verify_opts = cert_verify_opts;
talloc_set_destructor(p11_ctx, talloc_free_x509_store);
@@ -536,7 +561,6 @@ errno_t init_verification(struct p11_ctx *p11_ctx,
done:
if (ret != EOK) {
X509_STORE_free(store);
- X509_LOOKUP_free(lookup);
}
return ret;
diff --git a/src/tests/cmocka/test_utils.c b/src/tests/cmocka/test_utils.c
index c86e526..cf1c2ae 100644
--- a/src/tests/cmocka/test_utils.c
+++ b/src/tests/cmocka/test_utils.c
@@ -1567,6 +1567,7 @@ static void test_parse_cert_verify_opts(void **state)
assert_true(cv_opts->do_ocsp);
assert_null(cv_opts->ocsp_default_responder);
assert_null(cv_opts->ocsp_default_responder_signing_cert);
+ assert_null(cv_opts->crl_file);
talloc_free(cv_opts);
ret = parse_cert_verify_opts(global_talloc_context, "wedfkwefjk", &cv_opts);
@@ -1575,6 +1576,7 @@ static void test_parse_cert_verify_opts(void **state)
assert_true(cv_opts->do_ocsp);
assert_null(cv_opts->ocsp_default_responder);
assert_null(cv_opts->ocsp_default_responder_signing_cert);
+ assert_null(cv_opts->crl_file);
talloc_free(cv_opts);
ret = parse_cert_verify_opts(global_talloc_context, "no_ocsp", &cv_opts);
@@ -1583,6 +1585,7 @@ static void test_parse_cert_verify_opts(void **state)
assert_false(cv_opts->do_ocsp);
assert_null(cv_opts->ocsp_default_responder);
assert_null(cv_opts->ocsp_default_responder_signing_cert);
+ assert_null(cv_opts->crl_file);
talloc_free(cv_opts);
ret = parse_cert_verify_opts(global_talloc_context, "no_verification",
@@ -1592,6 +1595,7 @@ static void test_parse_cert_verify_opts(void **state)
assert_true(cv_opts->do_ocsp);
assert_null(cv_opts->ocsp_default_responder);
assert_null(cv_opts->ocsp_default_responder_signing_cert);
+ assert_null(cv_opts->crl_file);
talloc_free(cv_opts);
ret = parse_cert_verify_opts(global_talloc_context,
@@ -1601,6 +1605,7 @@ static void test_parse_cert_verify_opts(void **state)
assert_false(cv_opts->do_ocsp);
assert_null(cv_opts->ocsp_default_responder);
assert_null(cv_opts->ocsp_default_responder_signing_cert);
+ assert_null(cv_opts->crl_file);
talloc_free(cv_opts);
ret = parse_cert_verify_opts(global_talloc_context,
@@ -1633,6 +1638,17 @@ static void test_parse_cert_verify_opts(void **state)
assert_true(cv_opts->do_ocsp);
assert_string_equal(cv_opts->ocsp_default_responder, "abc");
assert_string_equal(cv_opts->ocsp_default_responder_signing_cert, "def");
+ assert_null(cv_opts->crl_file);
+ talloc_free(cv_opts);
+
+ ret = parse_cert_verify_opts(global_talloc_context, "crl_file=hij",
+ &cv_opts);
+ assert_int_equal(ret, EOK);
+ assert_true(cv_opts->do_verification);
+ assert_true(cv_opts->do_ocsp);
+ assert_null(cv_opts->ocsp_default_responder);
+ assert_null(cv_opts->ocsp_default_responder_signing_cert);
+ assert_string_equal(cv_opts->crl_file, "hij");
talloc_free(cv_opts);
}
diff --git a/src/util/util.c b/src/util/util.c
index 7f475fa..cbe6a28 100644
--- a/src/util/util.c
+++ b/src/util/util.c
@@ -1024,6 +1024,7 @@ static struct cert_verify_opts *init_cert_verify_opts(TALLOC_CTX *mem_ctx)
cert_verify_opts->do_verification = true;
cert_verify_opts->ocsp_default_responder = NULL;
cert_verify_opts->ocsp_default_responder_signing_cert = NULL;
+ cert_verify_opts->crl_file = NULL;
return cert_verify_opts;
}
@@ -1035,6 +1036,8 @@ static struct cert_verify_opts *init_cert_verify_opts(TALLOC_CTX *mem_ctx)
"ocsp_default_responder_signing_cert="
#define OCSP_DEFAUL_RESPONDER_SIGNING_CERT_LEN \
(sizeof(OCSP_DEFAUL_RESPONDER_SIGNING_CERT) - 1)
+#define CRL_FILE "crl_file="
+#define CRL_FILE_LEN (sizeof(CRL_FILE) -1)
errno_t parse_cert_verify_opts(TALLOC_CTX *mem_ctx, const char *verify_opts,
struct cert_verify_opts **_cert_verify_opts)
@@ -1116,6 +1119,16 @@ errno_t parse_cert_verify_opts(TALLOC_CTX *mem_ctx, const char *verify_opts,
DEBUG(SSSDBG_TRACE_ALL,
"Using OCSP default responder signing cert nickname [%s]\n",
cert_verify_opts->ocsp_default_responder_signing_cert);
+ } else if (strncasecmp(opts[c], CRL_FILE, CRL_FILE_LEN) == 0) {
+ cert_verify_opts->crl_file = talloc_strdup(cert_verify_opts,
+ &opts[c][CRL_FILE_LEN]);
+ if (cert_verify_opts->crl_file == NULL
+ || *cert_verify_opts->crl_file == '\0') {
+ DEBUG(SSSDBG_CRIT_FAILURE,
+ "Failed to parse crl_file option [%s].\n", opts[c]);
+ ret = EINVAL;
+ goto done;
+ }
} else {
DEBUG(SSSDBG_CRIT_FAILURE,
"Unsupported certificate verification option [%s], " \
diff --git a/src/util/util.h b/src/util/util.h
index e3e9100..7e9b3d6 100644
--- a/src/util/util.h
+++ b/src/util/util.h
@@ -371,6 +371,7 @@ struct cert_verify_opts {
bool do_verification;
char *ocsp_default_responder;
char *ocsp_default_responder_signing_cert;
+ char *crl_file;
};
errno_t parse_cert_verify_opts(TALLOC_CTX *mem_ctx, const char *verify_opts,
--
2.9.5
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