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Updating erroneous documentation for BIO_get_mem_data and subsequent usage #1752

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merged 12 commits into from
Aug 23, 2024

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Description of changes:

Coverity scan flagged the usage of BIO_get_mem_data. The documentation for this function was incorrect. The documentation stated it would return the length of the data or 0 for failure, but the return value could in fact be negative (this function is a macro to BIO_ctrl which may return -2).

BIO_get_mem_data is subsequently used in ocsp_http.c without a check for the case of -2 which may lead to unexpected behavior. This PR updates the documentation for BIO_get_mem_data and replaces BIO_get_mem_data usage in ocsp_http.c with BIO_mem_contents which has less edge cases.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license and the ISC license.

@smittals2 smittals2 requested a review from a team as a code owner August 7, 2024 22:49
@smittals2 smittals2 marked this pull request as draft August 7, 2024 22:51
@smittals2 smittals2 marked this pull request as ready for review August 7, 2024 23:01
@smittals2 smittals2 marked this pull request as draft August 7, 2024 23:03
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codecov-commenter commented Aug 7, 2024

Codecov Report

Attention: Patch coverage is 65.62500% with 11 lines in your changes missing coverage. Please review.

Project coverage is 78.33%. Comparing base (2f18797) to head (e91af87).

Files Patch % Lines
crypto/ocsp/ocsp_http.c 59.25% 11 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main    #1752      +/-   ##
==========================================
- Coverage   78.34%   78.33%   -0.01%     
==========================================
  Files         580      580              
  Lines       97255    97270      +15     
  Branches    13945    13952       +7     
==========================================
+ Hits        76190    76199       +9     
- Misses      20444    20450       +6     
  Partials      621      621              

☔ View full report in Codecov by Sentry.
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@smittals2 smittals2 marked this pull request as ready for review August 8, 2024 06:05
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samuel40791765
samuel40791765 previously approved these changes Aug 19, 2024
crypto/ocsp/ocsp_http.c Outdated Show resolved Hide resolved
@smittals2 smittals2 merged commit d77ca7b into aws:main Aug 23, 2024
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smittals2 added a commit that referenced this pull request Sep 17, 2024
## What's Changed
* Use OPENSSL_STATIC_ASSERT which handles all the platform/compiler/C s…
by @andrewhop in #1791
* ML-KEM refactor by @dkostic in #1763
* ML-KEM-IPD to ML-KEM as defined in FIPS 203 by @dkostic in
#1796
* Add KDA OneStep testing to ACVP by @skmcgrail in
#1792
* Updating erroneous documentation for BIO_get_mem_data and subsequent
usage by @smittals2 in #1752
* No-op impls for several EVP_PKEY_CTX functions by @justsmth in
#1759
* Drop "ipd" suffix from ML-KEM related code by @dkostic in
#1797
* Upstream merge 2024 08 19 by @skmcgrail in
#1781
* ML-KEM move to the FIPS module by @dkostic in
#1802
* Reduce collision probability for variable names by @torben-hansen in
#1804
* Refactor ENGINE API and memory around METHOD structs by @smittals2 in
#1776
* bn: Move x86-64 argument-based dispatching of bn_mul_mont to C. by
@justsmth in #1795
* Check at runtime that the tool is loading the same libcrypto it was
built with by @andrewhop in #1716
* Avoid matching prefixes of a symbol as arm registers by @torben-hansen
in #1807
* Add CI for FreeBSD by @justsmth in
#1787
* Move curve25519 implementations to fips module except spake25519 by
@torben-hansen in #1809
* Add CAST for SP 800-56Cr2 One-Step function by @skmcgrail in
#1803
* Remove custom PKCS7 ASN1 functions, add new structs by
@WillChilds-Klein in #1726
* NASM use default debug format by @justsmth in
#1747
* Add KDF in counter mode ACVP Testing by @skmcgrail in
#1810
* add support for OCSP_request_verify by @samuel40791765 in
#1778
* Fix GitHub/CodeBuild Purge Lambda by @justsmth in
#1808
* KBKDF_ctr_hmac FIPS Service Indicator by @skmcgrail in
#1798
* Update x509 tool to write all output to common BIO which is a file or
stdout by @andrewhop in #1800
* Add ML-KEM to speed.cc, bump AWSLC_API_VERSION to 30 by @andrewhop in
#1817
* Add EVP_PKEY_asn1_* functions by @justsmth in
#1751
* Improve portability of CI integration script by @torben-hansen in
#1815
* Upstream merge 2024 08 23 by @justsmth in
#1799
* Replace ECDSA_METHOD with EC_KEY_METHOD and add the associated API by
@smittals2 in #1785
* Cherrypick "Add some barebones support for DH in EVP" by
@samuel40791765 in #1813
* Add KDA OneStep (SSKDF_digest and SSKDF_hmac) to FIPS indicator by
@skmcgrail in #1793
* Add EVP_Digest one-shot test XOFs by @WillChilds-Klein in
#1820
* Wire-up ACVP Testing for SHA3 Signatures with RSA by @skmcgrail in
#1805
* Make SHA3 (not SHAKE) Approved for EVP_DigestSign/Verify, RSA and
ECDSA. by @nebeid in #1821
* Begin tracking RelWithDebInfo library statistics by @andrewhop in
#1822
* Move EVP ed25519 function table under FIPS module by @torben-hansen in
#1826
* Avoid C11 Atomics on Windows by @justsmth in
#1824
* Improve pre-sandbox setup by @torben-hansen in
#1825
* Add OCSP round trip integration test with minor fixes by
@samuel40791765 in #1811
* Add various PKCS7 getters and setters by @WillChilds-Klein in
#1780
* Run clang-format on pkcs7 code by @WillChilds-Klein in
#1830
* Move KEM API and ML-KEM definitions to FIPS module by @torben-hansen
in #1828
* fix socat integration CI by @samuel40791765 in
#1833
* Retire out-of-module KEM folder by @torben-hansen in
#1832
* Refactor RSA_METHOD and expand API by @smittals2 in
#1790
* Update benchmark documentation in tool/readme.md by @andrewhop in
#1812
* Pre jail unit test by @torben-hansen in
#1835
* Move EVP KEM implementation to in-module and correct OID by
@torben-hansen in #1838
* More minor symbols Ruby depends on by @samuel40791765 in
#1837
* ED25519 Power-on Self Test / CAST / KAT by @skmcgrail in
#1834
* ACVP ML-KEM testing by @skmcgrail in
#1840
* ACVP ECDSA SHA3 Digest Testing by @skmcgrail in
#1819
* ML-KEM Service Indicator for EVP_PKEY_keygen, EVP_PKEY_encapsulate,
EVP_PKEY_decapsulate by @skmcgrail in
#1844
* Add ML-KEM CAST for KeyGen, Encaps, and Decaps by @skmcgrail in
#1846
* ED25519 Service Indicator by @skmcgrail in
#1829
* Update Allowed RSA KeySize Generation to FIPS 186-5 specification by
@skmcgrail in #1823
* Add ED25519 ACVP Testing by @skmcgrail in
#1818
* Make EDDSA/Ed25519 POST lazy initalized by @skmcgrail in
#1848
* add support for PEM Parameters without ASN1 hooks by @samuel40791765
in #1831
* Add OpenVPN tip of main to CI by @smittals2 in
#1843
* Ensure SSE2 is enabled when using optimized assembly for 32-bit x86 by
@graebm in #1841
* Add support for `EVP_PKEY_CTX_ctrl_str` - Step #1 by @justsmth in
#1842
* Added SHA3/SHAKE XOF functionality by @jakemas in
#1839
* Migrated ML-KEM SHA3/SHAKE usage to fipsmodule by @jakemas in
#1851
* AVX-512 support for RSA Signing by @pittma in
#1273
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4 participants