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* Reduce memmoves in memory BIOs.jsing2022-02-191-22/+38
| | | | | | | | | | | | | | | | | Currently, a read/write memory BIO pulls up the data via memmove() on each read. This becomes very expensive when a lot of small reads are performed, especially if there is a reasonable amount of data stored in the memory BIO. Instead, store a read offset into the buffer and only perform a memmove() to pull up the data on a write, if we have read more than 4096 bytes. This way we only perform memmove() when the space saving will potentially be of benefit, while avoiding frequent memmove() in the case of small interleaved reads and writes. Should address oss-fuzz #19881. ok inoguchi@ tb@
* certificiate -> certificatejsg2022-02-191-3/+3
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* Provide a struct bio_mem for memory BIO specific data.jsing2022-02-191-47/+58
| | | | | | | | | In order to fix and improve the memory BIO, we need to be able to track more than just a single BUF_MEM *. Provide a struct bio_mem (which currently only contains a BUF_MEM *) and rework the internals to use this struct. ok inoguchi@ tb@
* Avoid gendered language in man pages when not referring to a specificjsg2022-02-181-4/+4
| | | | | | | | person. Rewrite or use singular they. ok thfr@ sthen@ daniel@ ian@ job@ kmos@ jcs@ ratchov@ phessler@ and others I'm likely missing on an earlier version. feedback tj@, feedback and ok jmc@
* Clean up and simplify memory BIO code.jsing2022-02-181-124/+139
| | | | | | | | This is a first pass that uses sensible and consistent names for variables. Call the BIO 'bio' (instead of 'a', 'b', 'bp', or 'h'), drop a bunch of unnecessary casts, simplify some logic and add additional error checking. With input from and ok tb@
* prefer https links in man pagesjsg2022-02-183-9/+9
| | | | ok gnezdo@ miod@ jmc@
* grammar/rewordjsg2022-02-181-5/+7
| | | | ok jmc@
* Add tests for memory BIO.jsing2022-02-171-2/+254
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* Add test coverage for OBJ_txt2obj()/OBJ_obj2txt() with no_name == 0.jsing2022-02-121-4/+99
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* Avoid potential single byte overread in asn1_parse2().jsing2022-02-121-3/+4
| | | | | | | | | | A fix for this was previously commited in r1.32, however while this added a bounds check the logic means we still fall through and perform the overread. Fix the logic such that we only log the error if the bounds check fails. While here, flip the test around such that we check for validity then print (which is more readable and matches earlier code). ok inoguchi@ tb@
* Revise for OBJ_obj2txt() OID arc limits.jsing2022-02-121-4/+4
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* Limit OID text conversion to 64 bits per arc.jsing2022-02-121-55/+16
| | | | | | | | | | | | | | | | The current implementation uses an unsigned long, then switches to BN once the arc exceeds its size. However, the complexity of BN_bn2dec() is quadratic in the length of number being converted. This means that OIDs with excessively large arcs take a lot of computation to convert to text. While the X.660 specification states that arcs are unbounded, in reality they are not overly large numbers - 640K^W64 bits ought to be enough for any arc. Remove BN entirely, switch from unsigned long to uin64_t and fail if an arc exceeds this size. Identified via oss-fuzz timeouts - should fix #41028 and #44372. ok tb@
* Fix length check of IP addresses for name constraintstb2022-02-111-2/+3
| | | | | | | | | An IP address in a name constraint is actually an IP address concatenated with a netmask, so it is twice as long as usual. This fixes a third bug introduced in r1.3 and reported by Volker Schlecht ok jsing
* Add missing error check for a2i_GENERAL_NAME()tb2022-02-111-1/+3
| | | | | | Fixes a segfault reported by Volker Schlecht. ok jsing
* Fix a double free in v2i_NAME_CONSTRAINTS()tb2022-02-111-2/+3
| | | | | | | | | | | a2i_GENERAL_NAME() modifies and returns the out argument that was passed in unless out == NULL, in which case it returns something freshly allocated. Thus, in v2i_GENERAL_NAME_ex() we must only free ret if out == NULL so v2i_NAME_CONSTRAINTS() can free correctly. Issue reported by Volker Schlecht ok jsing
* Test OBJ_obj2nid() with an undefined (NID_undef) object.jsing2022-02-111-2/+2
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* Make OBJ_obj2nid() work correctly with NID_undef.jsing2022-02-111-3/+3
| | | | | | | | | | Currently OBJ_obj2nid() with NID_undef returns NID_ccitt - this is due to doing a lookup on an empty value and having NID_undef conflict with an uninitialised NID value. Somewhat based on OpenSSL 0fb99904809. ok tb@
* Add initial regress for objects.jsing2022-02-113-1/+449
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* If running with ASAN, mark test_with{,out}_bzero() with thetb2022-02-101-3/+14
| | | | | | | | | | | | | no_sanitize_address attribute. ASAN doesn't seem to be able to understand these lowlevel gymnastics with sigaltstack() and segfaults in __intercept_memem(). This allows LibreSSL and other portable projects that use this test run tests with ASAN enabled. Issue reported and workaround suggested by Ilya Shipitsin Paraphrasing millert: it's a little ugly but it's only a regress.
* silence "function declaration isn't a prototype" warning by changingtb2022-02-091-6/+6
| | | | int foo() to int foo(void)
* Plug a long standing leak in libtls CRL handlingtb2022-02-081-2/+1
| | | | | | | | | X509_STORE_add_crl() does not take ownership of the CRL, it bumps its refcount. So nulling out the CRL from the stack will leak it. Issue reported by KS Sreeram, thanks! ok jsing
* Plug leaks reported by Ilya Shipitsintb2022-02-081-1/+5
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* Plug a number of leaks reported by Ilya Shipitsintb2022-02-081-2/+9
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* Garbage collect the unused hash and print kp->pubkey_hash instead of NULL.tb2022-02-081-7/+4
| | | | | | Make sure kp is freed also on error. ok jsing
* Fix memleaks reported by Ilya Shipitsintb2022-02-081-3/+5
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* Change second argument of x25519_ge_scalarmult_base() fromtb2022-02-081-2/+2
| | | | | | | | a 'const uint8_t *a' to a 'const uint8_t a[32]' to match the prototype in curve25519_internal.h and the other variant inside OPENSSL_SMALL. ok millert
* Avoid a NULL dereference in BN_mod_exp2_mont()tb2022-02-071-2/+2
| | | | | | | | | | This is a very rarely used function and the crash is hard to reach in practice. Instead of implementing BN_is_odd() badly by hand, just call the real thing. Reported by Guido Vranken ok beck jsing
* Check for zero modulus in BN_MONT_CTX_set().tb2022-02-071-1/+4
| | | | | | From OpenSSL 6a009812, prompted by a report by Guido Vranken ok beck jsing
* Remove i <= 0 checks from SSL_get_error()jsing2022-02-061-15/+16
| | | | | | | | | | | In order for SSL_get_error() to work with SSL_read_ex() and SSL_write_ex() the error handling needs to be performed without checking i <= 0. This is effectively part of OpenSSL 8051ab2b6f8 and should bring the behaviour of SSL_get_error() largely inline with OpenSSL 1.1. Issue reported by Johannes Nixdorf. ok inoguchi@ tb@
* Handle zero byte reads/writes that trigger handshakes in the TLSv1.3 stack.jsing2022-02-061-1/+5
| | | | | | | | | | | | | | | With the legaacy stack, it is possible to do a zero byte SSL_read() or SSL_write() that triggers the handshake, but then returns zero without SSL_ERROR_WANT_READ or SSL_ERROR_WANT_WRITE being flagged. This currently works in the TLSv1.3 stack by returning TLS_IO_WANT_POLLIN or TLS_IO_WANT_POLLOUT, which is then hidden by SSL_get_error(). However, due to upcoming changes to SSL_get_error() this will no longer be the case. In order to maintain the existing legacy behaviour, explicitly handle zero byte reads and writes in the TLSv1.3 stack, following completion of a handshake. ok inoguchi@ tb@
* cope with recent S3I removal; ok tb@anton2022-02-061-2/+2
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* remove please from manual pagesjsg2022-02-062-6/+6
| | | | ok jmc@ sthen@ millert@
* Adapt appstest.sh for the new TLS_ names.tb2022-02-051-9/+5
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* Add a workaround due to OpenSSL's limitation of SSL_CTX_set_cipher_listtb2022-02-051-1/+5
| | | | | | | | | | | | | | | | SSL_CTX_set_cipher_list() in OpenSSL 1.1 does not accept TLSv1.3 ciphers. This wasn't a problem until now since the AEAD- ciphers were counted as distinct from TLS_ ciphers by the regress test, so they were never used in the {run,check}-cipher-${cipher}-client-${clib}-server-${slib} tests With the renaming, the TLSv1.3 ciphers are now considered as common ciphers, so they're tested. With openssl11 this results in 0:error:1410D0B9:SSL routines:SSL_CTX_set_cipher_list:no cipher match:ssl/ssl_lib.c:2573: The design of these tests doesn't allow easily adding a call to SSL_CTX_set_ciphersuites (since they also need to work with openssl 1.0.2) so skip the TLS_* ciphers for the time being.
* Mechanically adjust from AEAD- to TLS_ to adjust to the new cipher names.tb2022-02-051-10/+5
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* Adjust the ssl_get_shared_ciphers to the new names.tb2022-02-051-23/+23
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* Switch TLSv1.3 cipher names from AEAD- to OpenSSL's TLS_tb2022-02-053-16/+22
| | | | | | | | | | | | | | | | | | OpenSSL chose to break the previous naming convention for ciphers and to adopt TLS_* "RFC" names instead. Unfortunately, these names are exposed in several APIs and some language bindings test for these non-standard names instead of cipher values, which is ... unfortunate (others would say "plain crazy"). We currently have to maintain patches in regress and ports (p5-Net-SSLeay, openssl-ruby-tests - which means that Ruby will pick this up at some point) to work around this difference and that's just not worth the effort. The old AEAD- names will become aliases and continue to work, but in openssl ciphers and netcat output the TLS_* names will now be displayed. "I would be very happy if this gets committed" bluhm ok beck inoguchi, begrudgingly ok jsing
* Revise for S3I removal.jsing2022-02-051-81/+81
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* Bye bye S3I.jsing2022-02-0523-772/+755
| | | | | | | | S3I has served us well, however now that libssl is fully opaque it is time to say goodbye. Aside from removing the calloc/free/memset, the rest is mechanical sed. ok inoguchi@ tb@
* Bump libressl's version in pkgconfig to 2.0.0tb2022-02-042-4/+6
| | | | | | | | | | | | | LibreSSL's pc files effectively hardcode the version to 1.0.0 since LibreSSL exists. That probably never made much sense. This causes some pain for ports that "need 'openssl' ['>= +1.1.0'] found '1.0.0'" or similar while they would build perfectly fine with LibreSSL. This only affects OpenBSD. We do not put the actual LibreSSL version in there since it may cause trouble Discussed with sthen, millert, inoguchi, beck over the past year. Diff from/ok sthen
* Remove a strange inheritance check from addr_validate_path_internal()tb2022-02-041-4/+1
| | | | | | | | The trust anchor can't inherit, but the code says that it can inherit just not if the leaf tries to inherit from that. This makes no sense and doesn't match what is done on the asid side. ok jsing
* Fix capitalization of ChaCha20tb2022-02-041-3/+3
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* Unindent and unwrap lines. Pull up a NULL check. No functional change.tb2022-02-031-28/+26
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* Remove commented variable declarationstb2022-02-031-6/+1
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* Fix copy-paste error: X509_V_ERR_CRL_SIGNATURE_FAILURE means that thetb2022-02-031-3/+3
| | | | CRL's signature is invalid, not the certificate's.
* Use X509_*get0_pubkey() wherever possible to simplify and clean uptb2022-02-033-36/+22
| | | | | | the code. Also add error checking where possible. ok jsing
* Remove some stale comments.tb2022-02-031-21/+1
| | | | ok jsing
* Cleanup/simplify ssl_cert_type()jsing2022-02-036-34/+24
| | | | | | | | Remove the X509 argument as it is unused - this was passed so that ssl_cert_type() can get the public key from the X509 object if the EVP_PKEY argument is NULL, however this is never the case. ok tb@
* Use TLS_PADDING_* defines.jsing2022-02-011-4/+6
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* Provide our own signature padding defines.jsing2022-02-012-6/+38
| | | | | | | | Rather than leaking libcrypto defines through the tls_sign_cb and tls_signer_sign() interfaces, provide and use our own TLS_PADDING_* defines. ok inoguchi@ tb@
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