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Fix decoders so that they use the passed in propq.

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Fixes #21198

decoder objects were setting propq as NULL.
Added a set_ctx/settable_ctx to all decoders that should supply
a property query parameter to internal functions.

Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/21219)
This commit is contained in:
slontis 2023-06-16 16:40:06 +10:00 committed by Tomas Mraz
parent a25715be77
commit 39ed7636e0
10 changed files with 276 additions and 11 deletions
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11
crypto/encode_decode/decoder_pkey.c
View File

@ -745,6 +745,10 @@ OSSL_DECODER_CTX_new_for_pkey(EVP_PKEY **pkey,
OSSL_LIB_CTX *libctx, const char *propquery)
{
OSSL_DECODER_CTX *ctx = NULL;
OSSL_PARAM decoder_params[] = {
OSSL_PARAM_END,
OSSL_PARAM_END
};
DECODER_CACHE *cache
= ossl_lib_ctx_get_data(libctx, OSSL_LIB_CTX_DECODER_CACHE_INDEX);
DECODER_CACHE_ENTRY cacheent, *res, *newcache = NULL;
@ -753,6 +757,9 @@ OSSL_DECODER_CTX_new_for_pkey(EVP_PKEY **pkey,
ERR_raise(ERR_LIB_OSSL_DECODER, ERR_R_OSSL_DECODER_LIB);
return NULL;
}
if (propquery != NULL)
decoder_params[0] = OSSL_PARAM_construct_utf8_string(OSSL_DECODER_PARAM_PROPERTIES,
(char *)propquery, 0);
/* It is safe to cast away the const here */
cacheent.input_type = (char *)input_type;
@ -794,7 +801,9 @@ OSSL_DECODER_CTX_new_for_pkey(EVP_PKEY **pkey,
&& OSSL_DECODER_CTX_set_input_structure(ctx, input_structure)
&& OSSL_DECODER_CTX_set_selection(ctx, selection)
&& ossl_decoder_ctx_setup_for_pkey(ctx, keytype, libctx, propquery)
&& OSSL_DECODER_CTX_add_extra(ctx, libctx, propquery)) {
&& OSSL_DECODER_CTX_add_extra(ctx, libctx, propquery)
&& (propquery == NULL
|| OSSL_DECODER_CTX_set_params(ctx, decoder_params))) {
OSSL_TRACE_BEGIN(DECODER) {
BIO_printf(trc_out, "(ctx %p) Got %d decoders\n",
(void *)ctx, OSSL_DECODER_CTX_get_num_decoders(ctx));

5
crypto/x509/x_pubkey.c
View File

@ -66,7 +66,8 @@ ASN1_SEQUENCE(X509_PUBKEY_INTERNAL) = {
} static_ASN1_SEQUENCE_END_name(X509_PUBKEY, X509_PUBKEY_INTERNAL)
X509_PUBKEY *ossl_d2i_X509_PUBKEY_INTERNAL(const unsigned char **pp,
long len, OSSL_LIB_CTX *libctx)
long len, OSSL_LIB_CTX *libctx,
const char *propq)
{
X509_PUBKEY *xpub = OPENSSL_zalloc(sizeof(*xpub));
@ -74,7 +75,7 @@ X509_PUBKEY *ossl_d2i_X509_PUBKEY_INTERNAL(const unsigned char **pp,
return NULL;
return (X509_PUBKEY *)ASN1_item_d2i_ex((ASN1_VALUE **)&xpub, pp, len,
ASN1_ITEM_rptr(X509_PUBKEY_INTERNAL),
libctx, NULL);
libctx, propq);
}
void ossl_X509_PUBKEY_INTERNAL_free(X509_PUBKEY *xpub)

3
include/crypto/x509.h
View File

@ -336,7 +336,8 @@ int ossl_x509_PUBKEY_get0_libctx(OSSL_LIB_CTX **plibctx, const char **ppropq,
ASN1_OCTET_STRING *ossl_x509_pubkey_hash(X509_PUBKEY *pubkey);
X509_PUBKEY *ossl_d2i_X509_PUBKEY_INTERNAL(const unsigned char **pp,
long len, OSSL_LIB_CTX *libctx);
long len, OSSL_LIB_CTX *libctx,
const char *propq);
void ossl_X509_PUBKEY_INTERNAL_free(X509_PUBKEY *xpub);
RSA *ossl_d2i_RSA_PSS_PUBKEY(RSA **a, const unsigned char **pp, long length);

31
providers/implementations/encode_decode/decode_der2key.c
View File

@ -89,6 +89,7 @@ struct keytype_desc_st {
*/
struct der2key_ctx_st {
PROV_CTX *provctx;
char propq[OSSL_MAX_PROPQUERY_SIZE];
const struct keytype_desc_st *desc;
/* The selection that is passed to der2key_decode() */
int selection;
@ -109,7 +110,7 @@ static void *der2key_decode_p8(const unsigned char **input_der,
if ((p8inf = d2i_PKCS8_PRIV_KEY_INFO(NULL, input_der, input_der_len)) != NULL
&& PKCS8_pkey_get0(NULL, NULL, NULL, &alg, p8inf)
&& OBJ_obj2nid(alg->algorithm) == ctx->desc->evp_type)
key = key_from_pkcs8(p8inf, PROV_LIBCTX_OF(ctx->provctx), NULL);
key = key_from_pkcs8(p8inf, PROV_LIBCTX_OF(ctx->provctx), ctx->propq);
PKCS8_PRIV_KEY_INFO_free(p8inf);
return key;
@ -120,6 +121,8 @@ static void *der2key_decode_p8(const unsigned char **input_der,
static OSSL_FUNC_decoder_freectx_fn der2key_freectx;
static OSSL_FUNC_decoder_decode_fn der2key_decode;
static OSSL_FUNC_decoder_export_object_fn der2key_export_object;
static OSSL_FUNC_decoder_settable_ctx_params_fn der2key_settable_ctx_params;
static OSSL_FUNC_decoder_set_ctx_params_fn der2key_set_ctx_params;
static struct der2key_ctx_st *
der2key_newctx(void *provctx, const struct keytype_desc_st *desc)
@ -133,6 +136,28 @@ der2key_newctx(void *provctx, const struct keytype_desc_st *desc)
return ctx;
}
static const OSSL_PARAM *der2key_settable_ctx_params(ossl_unused void *provctx)
{
static const OSSL_PARAM settables[] = {
OSSL_PARAM_utf8_string(OSSL_DECODER_PARAM_PROPERTIES, NULL, 0),
OSSL_PARAM_END
};
return settables;
}
static int der2key_set_ctx_params(void *vctx, const OSSL_PARAM params[])
{
struct der2key_ctx_st *ctx = vctx;
const OSSL_PARAM *p;
char *str = ctx->propq;
p = OSSL_PARAM_locate_const(params, OSSL_DECODER_PARAM_PROPERTIES);
if (p != NULL && !OSSL_PARAM_get_utf8_string(p, &str, sizeof(ctx->propq)))
return 0;
return 1;
}
static void der2key_freectx(void *vctx)
{
struct der2key_ctx_st *ctx = vctx;
@ -755,6 +780,10 @@ static void rsa_adjust(void *key, struct der2key_ctx_st *ctx)
(void (*)(void))der2key_decode }, \
{ OSSL_FUNC_DECODER_EXPORT_OBJECT, \
(void (*)(void))der2key_export_object }, \
{ OSSL_FUNC_DECODER_SETTABLE_CTX_PARAMS, \
(void (*)(void))der2key_settable_ctx_params }, \
{ OSSL_FUNC_DECODER_SET_CTX_PARAMS, \
(void (*)(void))der2key_set_ctx_params }, \
OSSL_DISPATCH_END \
}

32
providers/implementations/encode_decode/decode_epki2pki.c
View File

@ -26,12 +26,15 @@
static OSSL_FUNC_decoder_newctx_fn epki2pki_newctx;
static OSSL_FUNC_decoder_freectx_fn epki2pki_freectx;
static OSSL_FUNC_decoder_decode_fn epki2pki_decode;
static OSSL_FUNC_decoder_settable_ctx_params_fn epki2pki_settable_ctx_params;
static OSSL_FUNC_decoder_set_ctx_params_fn epki2pki_set_ctx_params;
/*
* Context used for EncryptedPrivateKeyInfo to PrivateKeyInfo decoding.
*/
struct epki2pki_ctx_st {
PROV_CTX *provctx;
char propq[OSSL_MAX_PROPQUERY_SIZE];
};
static void *epki2pki_newctx(void *provctx)
@ -50,6 +53,28 @@ static void epki2pki_freectx(void *vctx)
OPENSSL_free(ctx);
}
static const OSSL_PARAM *epki2pki_settable_ctx_params(ossl_unused void *provctx)
{
static const OSSL_PARAM settables[] = {
OSSL_PARAM_utf8_string(OSSL_DECODER_PARAM_PROPERTIES, NULL, 0),
OSSL_PARAM_END
};
return settables;
}
static int epki2pki_set_ctx_params(void *vctx, const OSSL_PARAM params[])
{
struct epki2pki_ctx_st *ctx = vctx;
const OSSL_PARAM *p;
char *str = ctx->propq;
p = OSSL_PARAM_locate_const(params, OSSL_DECODER_PARAM_PROPERTIES);
if (p != NULL && !OSSL_PARAM_get_utf8_string(p, &str, sizeof(ctx->propq)))
return 0;
return 1;
}
/*
* The selection parameter in epki2pki_decode() is not used by this function
* because it's not relevant just to decode EncryptedPrivateKeyInfo to
@ -104,7 +129,8 @@ static int epki2pki_decode(void *vctx, OSSL_CORE_BIO *cin, int selection,
if (!PKCS12_pbe_crypt_ex(alg, pbuf, plen,
oct->data, oct->length,
&new_der, &new_der_len, 0,
PROV_LIBCTX_OF(ctx->provctx), NULL)) {
PROV_LIBCTX_OF(ctx->provctx),
ctx->propq)) {
ok = 0;
} else {
OPENSSL_free(der);
@ -154,5 +180,9 @@ const OSSL_DISPATCH ossl_EncryptedPrivateKeyInfo_der_to_der_decoder_functions[]
{ OSSL_FUNC_DECODER_NEWCTX, (void (*)(void))epki2pki_newctx },
{ OSSL_FUNC_DECODER_FREECTX, (void (*)(void))epki2pki_freectx },
{ OSSL_FUNC_DECODER_DECODE, (void (*)(void))epki2pki_decode },
{ OSSL_FUNC_DECODER_SETTABLE_CTX_PARAMS,
(void (*)(void))epki2pki_settable_ctx_params },
{ OSSL_FUNC_DECODER_SET_CTX_PARAMS,
(void (*)(void))epki2pki_set_ctx_params },
OSSL_DISPATCH_END
};

33
providers/implementations/encode_decode/decode_pvk2key.c
View File

@ -24,6 +24,7 @@
#include <openssl/pem.h> /* For public PVK functions */
#include <openssl/x509.h>
#include "internal/passphrase.h"
#include "internal/sizes.h"
#include "crypto/pem.h" /* For internal PVK and "blob" headers */
#include "crypto/rsa.h"
#include "prov/bio.h"
@ -49,12 +50,15 @@ struct keytype_desc_st {
static OSSL_FUNC_decoder_freectx_fn pvk2key_freectx;
static OSSL_FUNC_decoder_decode_fn pvk2key_decode;
static OSSL_FUNC_decoder_export_object_fn pvk2key_export_object;
static OSSL_FUNC_decoder_settable_ctx_params_fn pvk2key_settable_ctx_params;
static OSSL_FUNC_decoder_set_ctx_params_fn pvk2key_set_ctx_params;
/*
* Context used for DER to key decoding.
*/
struct pvk2key_ctx_st {
PROV_CTX *provctx;
char propq[OSSL_MAX_PROPQUERY_SIZE];
const struct keytype_desc_st *desc;
/* The selection that is passed to der2key_decode() */
int selection;
@ -79,6 +83,28 @@ static void pvk2key_freectx(void *vctx)
OPENSSL_free(ctx);
}
static const OSSL_PARAM *pvk2key_settable_ctx_params(ossl_unused void *provctx)
{
static const OSSL_PARAM settables[] = {
OSSL_PARAM_utf8_string(OSSL_DECODER_PARAM_PROPERTIES, NULL, 0),
OSSL_PARAM_END,
};
return settables;
}
static int pvk2key_set_ctx_params(void *vctx, const OSSL_PARAM params[])
{
struct pvk2key_ctx_st *ctx = vctx;
const OSSL_PARAM *p;
char *str = ctx->propq;
p = OSSL_PARAM_locate_const(params, OSSL_DECODER_PARAM_PROPERTIES);
if (p != NULL && !OSSL_PARAM_get_utf8_string(p, &str, sizeof(ctx->propq)))
return 0;
return 1;
}
static int pvk2key_does_selection(void *provctx, int selection)
{
if (selection == 0)
@ -115,7 +141,8 @@ static int pvk2key_decode(void *vctx, OSSL_CORE_BIO *cin, int selection,
goto end;
key = ctx->desc->read_private_key(in, ossl_pw_pvk_password, &pwdata,
PROV_LIBCTX_OF(ctx->provctx), NULL);
PROV_LIBCTX_OF(ctx->provctx),
ctx->propq);
/*
* Because the PVK API doesn't have a separate decrypt call, we need
@ -247,6 +274,10 @@ static void rsa_adjust(void *key, struct pvk2key_ctx_st *ctx)
(void (*)(void))pvk2key_decode }, \
{ OSSL_FUNC_DECODER_EXPORT_OBJECT, \
(void (*)(void))pvk2key_export_object }, \
{ OSSL_FUNC_DECODER_SETTABLE_CTX_PARAMS, \
(void (*)(void))pvk2key_settable_ctx_params }, \
{ OSSL_FUNC_DECODER_SET_CTX_PARAMS, \
(void (*)(void))pvk2key_set_ctx_params }, \
OSSL_DISPATCH_END \
}

33
providers/implementations/encode_decode/decode_spki2typespki.c
View File

@ -23,6 +23,8 @@
static OSSL_FUNC_decoder_newctx_fn spki2typespki_newctx;
static OSSL_FUNC_decoder_freectx_fn spki2typespki_freectx;
static OSSL_FUNC_decoder_decode_fn spki2typespki_decode;
static OSSL_FUNC_decoder_settable_ctx_params_fn spki2typespki_settable_ctx_params;
static OSSL_FUNC_decoder_set_ctx_params_fn spki2typespki_set_ctx_params;
/*
* Context used for SubjectPublicKeyInfo to Type specific SubjectPublicKeyInfo
@ -30,6 +32,7 @@ static OSSL_FUNC_decoder_decode_fn spki2typespki_decode;
*/
struct spki2typespki_ctx_st {
PROV_CTX *provctx;
char propq[OSSL_MAX_PROPQUERY_SIZE];
};
static void *spki2typespki_newctx(void *provctx)
@ -48,6 +51,28 @@ static void spki2typespki_freectx(void *vctx)
OPENSSL_free(ctx);
}
static const OSSL_PARAM *spki2typespki_settable_ctx_params(ossl_unused void *provctx)
{
static const OSSL_PARAM settables[] = {
OSSL_PARAM_utf8_string(OSSL_DECODER_PARAM_PROPERTIES, NULL, 0),
OSSL_PARAM_END
};
return settables;
}
static int spki2typespki_set_ctx_params(void *vctx, const OSSL_PARAM params[])
{
struct spki2typespki_ctx_st *ctx = vctx;
const OSSL_PARAM *p;
char *str = ctx->propq;
p = OSSL_PARAM_locate_const(params, OSSL_DECODER_PARAM_PROPERTIES);
if (p != NULL && !OSSL_PARAM_get_utf8_string(p, &str, sizeof(ctx->propq)))
return 0;
return 1;
}
static int spki2typespki_decode(void *vctx, OSSL_CORE_BIO *cin, int selection,
OSSL_CALLBACK *data_cb, void *data_cbarg,
OSSL_PASSPHRASE_CALLBACK *pw_cb, void *pw_cbarg)
@ -67,8 +92,8 @@ static int spki2typespki_decode(void *vctx, OSSL_CORE_BIO *cin, int selection,
return 1;
derp = der;
xpub = ossl_d2i_X509_PUBKEY_INTERNAL((const unsigned char **)&derp, len,
PROV_LIBCTX_OF(ctx->provctx));
PROV_LIBCTX_OF(ctx->provctx),
ctx->propq);
if (xpub == NULL) {
/* We return "empty handed". This is not an error. */
@ -120,5 +145,9 @@ const OSSL_DISPATCH ossl_SubjectPublicKeyInfo_der_to_der_decoder_functions[] = {
{ OSSL_FUNC_DECODER_NEWCTX, (void (*)(void))spki2typespki_newctx },
{ OSSL_FUNC_DECODER_FREECTX, (void (*)(void))spki2typespki_freectx },
{ OSSL_FUNC_DECODER_DECODE, (void (*)(void))spki2typespki_decode },
{ OSSL_FUNC_DECODER_SETTABLE_CTX_PARAMS,
(void (*)(void))spki2typespki_settable_ctx_params },
{ OSSL_FUNC_DECODER_SET_CTX_PARAMS,
(void (*)(void))spki2typespki_set_ctx_params },
OSSL_DISPATCH_END
};

5
test/build.info
View File

@ -1071,6 +1071,11 @@ IF[{- !$disabled{tests} -}]
DEPEND[endecoder_legacy_test]=../libcrypto.a libtestutil.a
ENDIF
PROGRAMS{noinst}=decoder_propq_test
SOURCE[decoder_propq_test]=decoder_propq_test.c
INCLUDE[decoder_propq_test]=.. ../include ../apps/include
DEPEND[decoder_propq_test]=../libcrypto.a libtestutil.a
PROGRAMS{noinst}=namemap_internal_test
SOURCE[namemap_internal_test]=namemap_internal_test.c
INCLUDE[namemap_internal_test]=.. ../include ../apps/include

119
test/decoder_propq_test.c Normal file
View File

@ -0,0 +1,119 @@
/*
* Copyright 2023 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <openssl/pem.h>
#include <openssl/evp.h>
#include "testutil.h"
static OSSL_LIB_CTX *libctx = NULL;
static OSSL_PROVIDER *nullprov = NULL;
static OSSL_PROVIDER *libprov = NULL;
static const char *filename = NULL;
static pem_password_cb passcb;
typedef enum OPTION_choice {
OPT_ERR = -1,
OPT_EOF = 0,
OPT_CONFIG_FILE,
OPT_PROVIDER_NAME,
OPT_TEST_ENUM
} OPTION_CHOICE;
const OPTIONS *test_get_options(void)
{
static const OPTIONS test_options[] = {
OPT_TEST_OPTIONS_WITH_EXTRA_USAGE("file\n"),
{ "config", OPT_CONFIG_FILE, '<',
"The configuration file to use for the libctx" },
{ "provider", OPT_PROVIDER_NAME, 's',
"The provider to load (The default value is 'default')" },
{ OPT_HELP_STR, 1, '-', "file\tFile to decode.\n" },
{ NULL }
};
return test_options;
}
static int passcb(char *buf, int size, int rwflag, void *userdata)
{
strcpy(buf, "pass");
return strlen(buf);
}
static int test_decode_nonfipsalg(void)
{
int ret = 0;
EVP_PKEY *privkey = NULL;
BIO *bio = NULL;
/*
* Apply the "fips=true" property to all fetches for the libctx.
* We do this to test that we are using the propq override
*/
EVP_default_properties_enable_fips(libctx, 1);
if (!TEST_ptr(bio = BIO_new_file(filename, "r")))
goto err;
/*
* If NULL is passed as the propq here it uses the global property "fips=true",
* Which we expect to fail if the decode uses a non FIPS algorithm
*/
if (!TEST_ptr_null(PEM_read_bio_PrivateKey_ex(bio, &privkey, &passcb, NULL, libctx, NULL)))
goto err;
/*
* Pass if we override the libctx global prop query to optionally use fips=true
* This assumes that the libctx contains the default provider
*/
if (!TEST_ptr_null(PEM_read_bio_PrivateKey_ex(bio, &privkey, &passcb, NULL, libctx, "?fips=true")))
goto err;
ret = 1;
err:
BIO_free(bio);
EVP_PKEY_free(privkey);
return ret;
}
int setup_tests(void)
{
const char *prov_name = "default";
char *config_file = NULL;
OPTION_CHOICE o;
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
case OPT_PROVIDER_NAME:
prov_name = opt_arg();
break;
case OPT_CONFIG_FILE:
config_file = opt_arg();
break;
case OPT_TEST_CASES:
break;
default:
case OPT_ERR:
return 0;
}
}
filename = test_get_argument(0);
if (!test_get_libctx(&libctx, &nullprov, config_file, &libprov, prov_name))
return 0;
ADD_TEST(test_decode_nonfipsalg);
return 1;
}
void cleanup_tests(void)
{
OSSL_PROVIDER_unload(libprov);
OSSL_LIB_CTX_free(libctx);
OSSL_PROVIDER_unload(nullprov);
}

15
test/recipes/04-test_encoder_decoder.t
View File

@ -25,7 +25,7 @@ my $no_fips = disabled('fips') || ($ENV{NO_FIPS} // 0);
my $rsa_key = srctop_file("test", "certs", "ee-key.pem");
my $pss_key = srctop_file("test", "certs", "ca-pss-key.pem");
plan tests => ($no_fips ? 0 : 1) + 2; # FIPS install test + test
plan tests => ($no_fips ? 0 : 3) + 2; # FIPS install test + test
my $conf = srctop_file("test", "default.cnf");
ok(run(test(["endecode_test", "-rsa", $rsa_key,
@ -47,5 +47,16 @@ unless ($no_fips) {
"-pss", $pss_key,
"-config", $conf,
"-provider", "fips"])));
}
my $no_des = disabled("des");
SKIP: {
skip "DES disabled", 2 if disabled("des");
ok(run(app([ 'openssl', 'genrsa', '-des3', '-out', 'epki.pem',
'-passout', 'pass:pass' ])),
"rsa encrypt using a non fips algorithm");
my $conf2 = srctop_file("test", "default-and-fips.cnf");
ok(run(test(['decoder_propq_test', '-config', $conf2,
'-provider', 'fips', 'epki.pem'])));
}
}