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Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7768)
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Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5990)
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Almost all *alloc failures now set an error code.
Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/5842)
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Move the definition of ossl_assert() out of e_os.h which is intended for OS
specific things. Instead it is moved into internal/cryptlib.h.
This also changes the definition to remove the (int) cast.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4073)
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Provides consistent output and approach.
Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3496)
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Add padding callback for application control
Standard block_size callback
Documentation and tests included
Configuration file/s_client/s_srver option
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3130)
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Based on review feedback
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2259)
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For the psk extension we need to fill in all the lengths of the message so
far, even though we haven't closed the WPACKET yet. This provides a function
to do that.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2259)
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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Normally WPACKETs will use a BUF_MEM which can grow as required. Sometimes
though that may be overkill for what is needed - a static buffer may be
sufficient. This adds that capability.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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The prevailing style seems to not have trailing whitespace, but a few
lines do. This is mostly in the perlasm files, but a few C files got
them after the reformat. This is the result of:
find . -name '*.pl' | xargs sed -E -i '' -e 's/( |'$'\t'')*$//'
find . -name '*.c' | xargs sed -E -i '' -e 's/( |'$'\t'')*$//'
find . -name '*.h' | xargs sed -E -i '' -e 's/( |'$'\t'')*$//'
Then bn_prime.h was excluded since this is a generated file.
Note mkerr.pl has some changes in a heredoc for some help output, but
other lines there lack trailing whitespace too.
Reviewed-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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WPACKET_allocate_bytes() requires you to know the size of the data you
are allocating for, before you create it. Sometimes this isn't the case,
for example we know the maximum size that a signature will be before we
create it, but not the actual size. WPACKET_reserve_bytes() enables us to
reserve bytes in the WPACKET, but not count them as written yet. We then
subsequently need to acall WPACKET_allocate_bytes to actually count them as
written.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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If we request more bytes to be allocated than double what we have already
written, then we grow the buffer by the wrong amount.
Reviewed-by: Emilia Käsper <emilia@openssl.org>
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If the underlying BUF_MEM gets realloc'd then the pointer returned could
become invalid. Therefore we should always ensure that the allocated
memory is filled in prior to any more WPACKET_* calls.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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All the other functions that take an argument for the number of bytes
use convenience macros for this purpose. We should do the same with
WPACKET_put_bytes().
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Don't call WPACKET_sub_memcpy(), WPACKET_sub_allocation_bytes() and
WPACKET_start_sub_packet_len() directly.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Updated the construction code to use the new function. Also added some
convenience macros for WPACKET_sub_memcpy().
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Addressing more feedback comments.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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Two locations had the same loop for writing out a value. Pull it out into
a function.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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This is an internal API. Some of the tests were for programmer erorr and
"should not happen" situations, so a soft assert is reasonable.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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A few style tweaks here and there. The main change is that curr and
packet_len are now offsets into the buffer to account for the fact that
the pointers can change if the buffer grows. Also dropped support for the
WPACKET_set_packet_len() function. I thought that was going to be needed
but so far it hasn't been. It doesn't really work any more due to the
offsets change.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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The PACKET documentation is already in packet_locl.h so it makes sense to
have the WPACKET documentation there as well.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Also added the WPACKET_cleanup() function to cleanup a WPACKET if we hit
an error.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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No need to declare an explicit sub-packet. Just start one.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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To avoid confusion with the read PACKET structure.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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