This allows for passing a NULL pointer with zero max_len.
Invoking memcpy on NULL is undefined behaviour, even if the size is zero.
https://en.cppreference.com/w/c/string/byte/memcpy
The function can now be queried for the necessary buffer length.
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10541)
If FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION is defined then we don't NUL
terminate ASN1_STRING datatypes. This shouldn't be necessary but we add it
any for safety in normal builds.
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: David Benjamin <davidben@google.com>
ASN.1 strings may not be NUL terminated. Don't assume they are.
CVE-2021-3712
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: David Benjamin <davidben@google.com>
When creating a signed S/MIME message using SMIME_write_CMS()
if the reading from the bio fails, the state is therefore
still ASN1_STATE_START when BIO_flush() is called by i2d_ASN1_bio_stream().
This results in calling asn1_bio_flush_ex cleanup but will only
reset retry flags as the state is not ASN1_STATE_POST_COPY.
Therefore 48 bytes (Linux x86_64) leaked since the
ndef_prefix_free / ndef_suffix_free callbacks are not executed
and the ndef_aux structure is not freed.
By always calling free function callback in asn1_bio_free() the
memory leak is fixed.
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14844)
Fixes coverity 1486070 through 1486077 and 1486079
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15841)
Fixes#5430
Added the configuration file option "date_opt" to the openssl applications ca,
crl and x509.
Added ASN1_TIME_print_ex which supports the new datetime format using the
flag ASN1_DTFLGS_ISO8601
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14384)
This has us switch from the 'structure' "pkcs8" to "PrivateKeyInfo",
which is sensible considering we already have "SubjectPublicKeyInfo".
We also add "EncryptedPrivateKeyInfo", and use it for a special decoder
that detects and decrypts an EncryptedPrivateKeyInfo structured DER
blob into a PrivateKeyInfo structured DER blob and passes that on to
the next decoder implementation.
The result of this change is that PKCS#8 decryption should only happen
once per decoding instead of once for every expected key type.
Furthermore, this new decoder implementation sets the data type to the
OID of the algorithmIdentifier field, thus reducing how many decoder
implementations are tentativaly run further down the call chain.
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15498)
The function pem_read_bio_key_legacy() is a fallback route if we
failed to load a key via a provider. We should be using the legacy
specific d2i functions to force legacy otherwise we end up using a
provider anyway
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15504)
Some ASN.1 objects have an embedded libctx/propq. If they have one we
give the ASN.1 code the ability to find these values and use them where
needed. This is used for OSSL_CMP_MSG_dup() and X509_dup().
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15591)
Make sure we pass libctx/propq down to all the layers so that objects that
are created during parsing have the right values. Then use this new
capability for PKCS7.
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15591)
An ASN.1 object such as an X509 may have embedded objects in it such as
an X509_PUBKEY. If there is a libctx/propq in use then we need to make sure
we pass these down to the constructors of these embedded objects.
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15591)
We need to special case RSA-PSS because that uses X509_ALGOR style
parameters and we have no support for this on the provider side at this
stage.
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15527)
For functions that exist in 1.1.1 provide a simple aliases via #define.
Fixes#15236
Functions with OSSL_DECODER_, OSSL_ENCODER_, OSSL_STORE_LOADER_,
EVP_KEYEXCH_, EVP_KEM_, EVP_ASYM_CIPHER_, EVP_SIGNATURE_,
EVP_KEYMGMT_, EVP_RAND_, EVP_MAC_, EVP_KDF_, EVP_PKEY_,
EVP_MD_, and EVP_CIPHER_ prefixes are renamed.
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15405)
Remove unused -DCONF_DEBUG and -DBN_CTX_DEBUG.
Rename REF_PRINT to REF_DEBUG for consistency, and add a new
tracing category and use it for printing reference counts.
Rename -DDEBUG_UNUSED to -DUNUSED_RESULT_DEBUG
Fix BN_DEBUG_RAND so it compiles and, when set, force DEBUG_RAND to
be set also.
Rename engine_debug_ref to be ENGINE_REF_PRINT also for consistency.
Fixes#15357
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15353)
The new names are ossl_err_load_xxx_strings.
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15446)
i2d_provided() - which is the internal provider data function for
i2d_KeyParams(), i2d_PrivateKey(), i2d_PublicKey() - didn't treat the
returned length from OSSL_ENCODER_to_data() quite as well as it should
have. A simple added flag that records the state of |*pp| before
calling OSSL_ENCODER_to_data() fixes the problem.
Fixes#14655
Reviewed-by: Ben Kaduk <kaduk@mit.edu>
(Merged from https://github.com/openssl/openssl/pull/15277)
add a length check to the return value of function i2d_ASN1_TYPE. Return an error instead of trying to malloc a negative number.
CLA: trivial
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14828)
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14877)
Use the do {} while (0) construct around macros whose bodies are complete
statements (including one that has internal control flow!). This is
safer and avoids any risk of misinterpretation if the macro is used in
an unexpected context.
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15143)
ASN1_put_object() was preceded by the nonsensical comment:
/*
* class 0 is constructed constructed == 2 for indefinite length constructed
*/
This is the result of concatenating two sentences in 0f113f3ee4 by
automated reformatting. The first sentence, "class 0 is constructed",
goes back to d02b48c63a, the import of SSLeay 0.8.1b. Even in that
context, it made little sense; class 0 means "universal", not
constructed, and there is no special significance to class 0 in this
function in any case.
Therefore I have simply removed that first sentence.
CLA: trivial
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/14998)
The 'sn' and 'ln' strings may be dynamically allocated, and the
ASN1_OBJECT flags have a bit set to say this. If an ASN1_OBJECT with
such strings is passed to d2i_ASN1_OBJECT() for reuse, the strings
must be freed, or there is a memory leak.
Fixes#14667
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/14938)
(cherry picked from commit 65b88a7592)
Add a "where did this EVP_{CIPHER,MD} come from" flag: global, via fetch,
or via EVP_{CIPHER,MD}_meth_new. Update EVP_{CIPHER,MD}_free to handle all
three origins. The flag is deliberately right before some function pointers,
so that compile-time failures (int/pointer) will occur, as opposed to
taking a bit in the existing "flags" field. The "global variable" flag
is non-zero, so the default case of using OPENSSL_zalloc (for provider
ciphers), will do the right thing. Ref-counting is a no-op for
Make up_ref no-op for global MD and CIPHER objects
Deprecate EVP_MD_CTX_md(). Added EVP_MD_CTX_get0_md() (same semantics as
the deprecated function) and EVP_MD_CTX_get1_md(). Likewise, deprecate
EVP_CIPHER_CTX_cipher() in favor of EVP_CIPHER_CTX_get0_cipher(), and add
EVP_CIPHER_CTX_get1_CIPHER().
Refactor EVP_MD_free() and EVP_MD_meth_free() to call new common
evp_md_free_int() function.
Refactor EVP_CIPHER_free() and EVP_CIPHER_meth_free() to call new common
evp_cipher_free_int() function.
Also change some flags tests to explicit test == or != zero. E.g.,
if (flags & x) --> if ((flags & x) != 0)
if (!(flags & x)) --> if ((flags & x) == 0)
Only done for those lines where "get0_cipher" calls were made.
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14193)
clean a few style nits.
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14806)
Fixes#13732
Fix a few places that were not using the '_ex' variants of
ASN1_item_sign/verify.
Added X509_CRL_new_ex().
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14752)
They are actually integers.
Problem reported by: Scott McPeak <scott.g.mcpeak@gmail.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14774)
This is used for generating a more-correct copyright statement
for the "build_generated" targets.
Fixes: #13765
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/13791)
Use OSSL_DECODER to decode the PKCS8 data to create provided keys.
If that fails fallback to the legacy implementation.
Fixes#14302
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14659)
When encountering a badly coded item, the DER printer (ASN1_print_dump())
sets a flag to ensure that an additional hex dump of the offending content
is printed as part of the output. Unfortunately, this flag is never reset,
which means that all following items are printed with the extra hex dump,
whether they are faulty or not.
Resetting the flag after hex dumping ensures that only the faulty contents
are printed with the additional hex dump.
Fixes#14626
Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14627)
We also rename it to d2i_PrivateKey_legacy(), to match d2i_PrivateKey_decoder()
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14314)
Since the Unicode 4.0.0 standard, the valid code point range is U+0000
to U+10FFFF. Make code points outside this range invalid when converting
from/to UTF-8.
Signed-off-by: Beat Bolli <dev@drbeat.li>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14185)
A trivial PR to remove some commonly repeated words. It looks like this is
not the first PR to do this.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14420)
This introduces the encoder output type "blob", to be used for
anything that outputs an unstructured blob of data.
Fixes#14258
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Ben Kaduk <kaduk@mit.edu>
(Merged from https://github.com/openssl/openssl/pull/14291)
Return an error instead of trying to malloc a negative number.
The other usage in this file already had a similar check, and the caller
should have put an entry on the error stack already.
Note that we only check the initial calls to obtain the encoded length,
and assume that the follow-up call to actually encode to the allocated
storage will succeed if the first one did.
Fixes: #14177
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/14308)
Fixes#14263
If the new decoder code fails, it now falls back to the old legacy code
and tries that also.
Tested manually using gost engine master.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/14266)
Additional renames done in encoder and decoder implementation
to follow the style.
Fixes#13622
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14155)
Co-author: Richard Levitte <levitte@openssl.org>
Co-author: Tomas Mraz <tmraz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/13139)
Add internal asn1_time_print_ex() that can return success on invalid time.
This is a workaround for inconsistent error behavior of ASN1_TIME_print(),
used in X509_print_ex().
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/13714)
The configuration option 'no-rsa' was dropped with OpenSSL 1.1.0, so
this is simply a cleanup of the remains.
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/13700)
Some of the handling of no-deprecated stuff wasn't quite complete, or
even plain wrong.
This restores i2d_PublicKey() to be able to handle EVP_PKEYs with
legacy internal keys.
This also refactors the DSA key tests in test/evp_extra_test.c to use
EVP functionality entirely.
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/13706)
It never makes sense for multi-string or CHOICE types to have implicit
tagging. If we have a template that uses the in this way then we
should immediately fail.
Thanks to David Benjamin from Google for reporting this issue.
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
It never makes sense for multi-string or CHOICE types to use implicit
tagging since the content would be ambiguous. It is an error in the
template if this ever happens. If we detect it we should stop parsing.
Thanks to David Benjamin from Google for reporting this issue.
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
Addition using the NULL pointer (even when adding 0) is undefined
behaviour. Recent versions of ubsan are now complaining about this, so
we fix various instances.
Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/13513)
Currently, when configuring OpenSSL and specifying the --strict-warnings
option there are failures like the following one:
crypto/bio/bio_lib.c: In function 'BIO_up_ref':
include/internal/refcount.h:169:25: error: format '%p' expects argument
of type 'void *', but argument 3 has type 'BIO *'
{aka 'struct bio_st *'} [-Werror=format=]
169 | fprintf(stderr, "%p:%4d:%s\n", b, b->references, a)
| ^~~~~~~~~~~~~
crypto/bio/bio_lib.c:185:5:
note: in expansion of macro'REF_PRINT_COUNT'
185 | REF_PRINT_COUNT("BIO", a);
| ^~~~~~~~~~~~~~~
include/internal/refcount.h:169:27: note: format string is defined here
169 | fprintf(stderr, "%p:%4d:%s\n", b, b->references, a)
| ~^
| |
| void *
cc1: all warnings being treated as errors
This commit adds casts to avoid the warnings.
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/13389)
This is not done absolutely everywhere, as there are places where
the use of ERR_add_error_data() is quite complex, but at least the
simple cases are done.
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/13318)
This includes error reporting for libcrypto sub-libraries in surprising
places.
This was done using util/err-to-raise
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/13318)
This also modifies i2d_PublicKey() and i2d_KeyParams() to support
provided keys.
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/13167)
These are meant to be used with functions like
OSSL_ENCODER_CTX_new_by_EVP_PKEY()
The OSSL_ENCODER_CTX_new_by_EVP_PKEY() manual is also expanded on the
topics of output types and selections.
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/13189)
Many of the new types introduced by OpenSSL 3.0 have an OSSL_ prefix,
e.g., OSSL_CALLBACK, OSSL_PARAM, OSSL_ALGORITHM, OSSL_SERIALIZER.
The OPENSSL_CTX type stands out a little by using a different prefix.
For consistency reasons, this type is renamed to OSSL_LIB_CTX.
Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/12621)
