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ok jsing@
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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@
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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@
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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@
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that will need it in the upcoming bump.
discussed with jsing
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BIO_new_accept(). The one for BIO_new_mem_buf() is a bit ugly
since it needs to cast away the newly added const qualifier,
as in OpenSSL commit 8ab31975bac.
ok jsing
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BIO_s_datagram().
ok jsing
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as was done earlier in libssl. Thanks inoguchi@ for noticing
libssl had more reacharounds into this.
ok jsing@ inoguchi@
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The actual control flow is intentional while the indenting is incorrect.
This is intended to be a cosmetic change.
Verified that each of these was part of a KNF commit that wasn't intending
to change behavior. Also, double checked against the history of changes in
OpenSSL and BoringSSL.
Addresses Coverity CIDs: 78842, 78859, 78863.
ok tedu@
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Remove the openssl public includes from cryptlib.h and add a small number
of includes into the source files that actually need them. While here,
also sort/group/tidy the includes.
ok beck@ miod@
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are needed in the source files that actually require them.
ok beck@ miod@
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avoid unreadable/unmaintainable constructs like that:
const EVP_PKEY_ASN1_METHOD cmac_asn1_meth =
{
EVP_PKEY_CMAC,
EVP_PKEY_CMAC,
0,
"CMAC",
"OpenSSL CMAC method",
0,0,0,0,
0,0,0,
cmac_size,
0,
0,0,0,0,0,0,0,
cmac_key_free,
0,
0,0
};
ok matthew@ deraadt@
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readable. This pass is whitespace only and can readily be verified using
tr and md5.
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*warning* this bumps shared lib minors for libssl and libcrypto from 2.1 to 2.2
if you are using the ssl26 packages for ssh and other things to work you will
need to get new ones (see ~beck/libsslsnap/<arch>) on cvs or ~beck/src-patent.tar.gz on cvs
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functionality for shared libs.
Note that routines such as sslv2_init and friends that use RSA will
not work due to lack of RSA in this library.
Needs documentation and help from ports for easy upgrade to full
functionality where legally possible.
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