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Since OPENSSL_malloc() and friends report ERR_R_MALLOC_FAILURE, and
at least handle the file name and line number they are called from,
there's no need to report ERR_R_MALLOC_FAILURE where they are called
directly, or when SSLfatal() and RLAYERfatal() is used, the reason
`ERR_R_MALLOC_FAILURE` is changed to `ERR_R_CRYPTO_LIB`.
There were a number of places where `ERR_R_MALLOC_FAILURE` was reported
even though it was a function from a different sub-system that was
called. Those places are changed to report ERR_R_{lib}_LIB, where
{lib} is the name of that sub-system.
Some of them are tricky to get right, as we have a lot of functions
that belong in the ASN1 sub-system, and all the `sk_` calls or from
the CRYPTO sub-system.
Some extra adaptation was necessary where there were custom OPENSSL_malloc()
wrappers, and some bugs are fixed alongside these changes.
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19301)
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Reviewed-by: Tomas Mraz <tomas@openssl.org>
Release: yes
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Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17762)
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POSIX contexts
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17762)
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Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17762)
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Reverting to using swapcontext() when compiling with clang on BTI-enabled
builds fixes the BTI setjmp() failure seen when running asynctest.
The issue with setjmp/longjmp is a known clang bug: see
https://github.com/llvm/llvm-project/issues/48888
Change-Id: I6eeaaa2e15f402789f1b3e742038f84bef846e29
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17698)
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On IA64 the use of setjmp()/ longjmp() does not properly save the
state of the register stack engine (RSE) and requires extra care.
The use of it in the async interface led to a failure in the
test_async.t test since its introduction in 1.1.0 series.
Instead of properly adding the needed assembly bits here use the
swapcontext() function which properly saves the whole context.
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17370)
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Reviewed-by: Nicola Tuveri <nic.tuv@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/13800)
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CreateFiber and ConvertThreadToFiber are not allowed in Windows Store
(Universal Windows Platform) apps since they have been replaced by
their Ex variants which have a new dwFlags parameter.
This flag allows the fiber to do floating-point arithmetic in the
fiber on x86, which would silently cause corruption otherwise since
the floating-point state is not switched by default.
Switch to these "new" APIs which were added in Vista.
See: https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-createfiberex#parameters
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/12400)
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Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11616)
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When Intel CET is enabled, makecontext will create a different shadow
stack for each context. async_fibre_swapcontext cannot use _longjmp.
It must call swapcontext to swap shadow stack as well as normal stack.
Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10983)
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Make the include guards consistent by renaming them systematically according
to the naming conventions below
For the public header files (in the 'include/openssl' directory), the guard
names try to match the path specified in the include directives, with
all letters converted to upper case and '/' and '.' replaced by '_'. For the
private header files files, an extra 'OSSL_' is added as prefix.
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9333)
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Apart from public and internal header files, there is a third type called
local header files, which are located next to source files in the source
directory. Currently, they have different suffixes like
'*_lcl.h', '*_local.h', or '*_int.h'
This commit changes the different suffixes to '*_local.h' uniformly.
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9333)
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Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7773)
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{make|swap|get|set}context are removed in POSIX.1-2008, but glibc
apparently keeps providing it.
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7420)
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Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/5110)
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Because OPENSSL_SYS_CYGWIN will keep OPENSSL_SYS_UNIX defined, there's
no point having checks of this form:
#if (defined(OPENSSL_SYS_UNIX) || defined(OPENSSL_SYS_CYGWIN))
Reviewed-by: Andy Polyakov <appro@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5060)
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Removed e_os.h from all bar three headers (apps/apps.h crypto/bio/bio_lcl.h and
ssl/ssl_locl.h).
Added e_os.h into the files that need it now.
Directly reference internal/nelem.h when required.
Reviewed-by: Andy Polyakov <appro@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4188)
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Fix some indentation at the same time
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1292)
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If application uses any of Windows-specific interfaces, make it
application developer's respondibility to include <windows.h>.
Rationale is that <windows.h> is quite "toxic" and is sensitive
to inclusion order (most notably in relation to <winsock2.h>).
It's only natural to give complete control to the application developer.
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
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Various fixes to get the following to compile:
./config no-asm -ansi -D_DEFAULT_SOURCE
RT4479
RT4480
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
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On OpenBSD we turn off async capabilities due to no ucontext.h.
RT#4379
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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Don't have #error statements in header files, but instead wrap
the contents of that file in #ifndef OPENSSL_NO_xxx
This means it is now always safe to include the header file.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Some platforms claim to be POSIX but their getcontext() implementation
does not work. Therefore we update the ASYNC_is_capable() function to test
for this.
RT#4366
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Add the ASYNC_is_capable() function and use it in speed.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
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The async code uses thread local variables. We should convert to using
the new Thread API for doing this.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Implementation experience has shown that the original plan for async wait
fds was too simplistic. Originally the async logic created a pipe internally
and user/engine code could then get access to it via API calls. It is more
flexible if the engine is able to create its own fd and provide it to the
async code.
Another issue is that there can be a lot of churn in the fd value within
the context of (say) a single SSL connection leading to continually adding
and removing fds from (say) epoll. It is better if we can provide some
stability of the fd value across a whole SSL connection. This is
problematic because an engine has no concept of an SSL connection.
This commit refactors things to introduce an ASYNC_WAIT_CTX which acts as a
proxy for an SSL connection down at the engine layer.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Silencing this:
crypto/async/arch/async_win.c: In function 'async_fibre_init_dispatcher':
crypto/async/arch/async_win.c:112:12: warning: unused variable 'dispatcher' [-Wunused-variable]
LPVOID dispatcher;
^
Signed-off-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
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This builds on the previous commit to auto initialise/deinitialise
libcrypto.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Add no-async option to Configure that forces ASYNC_NULL.
Related to RT1979
An embedded system or replacement C library (e.g. musl or uClibc)
may not support the *context APIs that are needed for async operation.
Compiles with musl. Ran unit tests, async tests skipped as expected.
Signed-off-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
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This was done by the following
find . -name '*.[ch]' | /tmp/pl
where /tmp/pl is the following three-line script:
print unless $. == 1 && m@/\* .*\.[ch] \*/@;
close ARGV if eof; # Close file to reset $.
And then some hand-editing of other files.
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
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Signed-off-by: Corinna Vinschen <vinschen@redhat.com>
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
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The async code was causing a compile failure if no-threads was used.
Reviewed-by: Kurt Roeckx <kurt@openssl.org>
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In the async code for MacOS/X define _XOPEN_SOURCE (if not already
defined) as early as possible. We must do this before including
any header files, because on MacOS/X <stlib.h> includes <signal.h>
which includes <ucontext.h>. If we delay defining _XOPEN_SOURCE
and include <ucontext.h> after various system headers are included,
we are very likely to end up with the wrong (truncated) definition
of ucontext_t.
Also, better error handling and some code cleanup in POSIX fibre
construction and destruction. We make sure that async_fibre_makecontext()
always initializes the fibre to a state that can be freed.
For all implementations, check for error returns from
async_fibre_makecontext().
Reviewed-by: Matt Caswell <matt@openssl.org>
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Implements Thread Local Storage in the windows async port. This also has
some knock on effects to the posix and null implementations.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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In theory the pthreads approach for Thread Local Storage should be more
portable.
This also changes some APIs in order to accommodate this change. In
particular ASYNC_init_pool is renamed ASYNC_init_thread and
ASYNC_free_pool is renamed ASYNC_cleanup_thread. Also introduced ASYNC_init
and ASYNC_cleanup.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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A lot of the pool handling code was in the arch specific files, but was
actually boiler plate and the same across the implementations. This commit
moves as much code as possible out of the arch specific files.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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We were using _pipe to create a pipe on windows. This uses the "int" type
for its file descriptor for compatibility. However most windows functions
expect to use a "HANDLE". Probably we could get away with just casting but
it seems more robust to use the proper type and main stream windows
functions.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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There were a number of places where the async code did not conform to the
OpenSSL coding style.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Even with _XOPEN_SOURCE defined OS-X still displays warnings that
makecontext and friends are deprecated. This isn't a problem until you
try and build with --strict-warnings, and the build fails. This change
suppresses the warnings. We know they are deprecated but there is no
alternative!
Reviewed-by: Rich Salz <rsalz@openssl.org>
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async_fibre_makecontext was initialise the fibre first and then calling
getcontext(). It should be the other way around because the getcontext
call may overwrite some of the things we just initialised. This didn't
cause an issue on Linux and so the problem went unnoticed. On OS-X it
causes a crash.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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OS-X complains if we don't have _XOPEN_SOURCE defined.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Make clang build without errors in the async code
Reviewed-by: Rich Salz <rsalz@openssl.org>
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_longjmp/_setjmp do not manipulate the signal mask whilst
longjmp/setjmp may do. Online sources suggest this could result
in a significant speed up in the context switching.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Tidied up the naming of functions and structures to be consistent
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Fix some warnings in the async code when compiling on windows.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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The ASYNC null implementation has not kept pace with the rest of the async
development and so was failing to compile.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Port the async pool and notify code to windows.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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