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ALG: Add AFALG engine 

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
This commit is contained in:
clucey 2016-02-17 13:38:36 +00:00 committed by Matt Caswell
parent b63447c115
commit 7f458a48ff
10 changed files with 1326 additions and 1 deletions
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13
Configure
View File

@ -1175,6 +1175,19 @@ else { $no_user_defines=1; }
# ALL MODIFICATIONS TO %config and %target MUST BE DONE FROM HERE ON
$config{afalg}="";
if ($target =~ m/^linux/) {
my $minver = 4*10000 + 1*100 + 0;
if ($config{cross_compile_prefix} eq "") {
my $verstr = `uname -r`;
my ($ma, $mi1, $mi2) = split("\\.", $verstr);
($mi2) = $mi2 =~ /(\d+)/;
my $ver = $ma*10000 + $mi1*100 + $mi2;
$config{afalg}="afalg" if ($ver >= $minver);
}
}
push @{$config{engdirs}}, $config{afalg};
# If we use the unified build, collect information from build.info files
my %unified_info = ();

3
Makefile.in
View File

@ -230,6 +230,8 @@ INSTALLDIRS= \
$(DESTDIR)$(OPENSSLDIR)/certs \
$(DESTDIR)$(OPENSSLDIR)/private
ENGDIRS={- join(" ", @{$config{engdirs}}) -}
all: Makefile build_all_but_tests
# as we stick to -e, CLEARENV ensures that local variables in lower
@ -275,6 +277,7 @@ BUILDENV= LC_ALL=C PLATFORM='$(PLATFORM)' PROCESSOR='$(PROCESSOR)'\
AES_ENC='$(AES_ENC)' CMLL_ENC='$(CMLL_ENC)' \
BF_ENC='$(BF_ENC)' CAST_ENC='$(CAST_ENC)' \
RC4_ENC='$(RC4_ENC)' RC5_ENC='$(RC5_ENC)' \
ENGDIRS='$(ENGDIRS)' \
SHA1_ASM_OBJ='$(SHA1_ASM_OBJ)' \
MD5_ASM_OBJ='$(MD5_ASM_OBJ)' \
RMD160_ASM_OBJ='$(RMD160_ASM_OBJ)' \

13
engines/Makefile.in
View File

@ -10,6 +10,11 @@ CFLAG=-g
MAKEFILE= Makefile
AR= ar r
RECURSIVE_MAKE= [ -z "$(ENGDIRS)" ] || for i in $(ENGDIRS) ; do \
(cd $$i && echo "making $$target in $(DIR)/$$i..." && \
$(MAKE) -e TOP=../.. DIR=$$i $$target ) || exit 1; \
done;
PADLOCK_ASM_OBJ=
PLIB_LDFLAG=
@ -49,7 +54,7 @@ ALL= $(GENERAL) $(SRC) $(HEADER)
top:
(cd ..; $(MAKE) DIRS=$(DIR) all)
all: lib
all: lib subdirs
lib: $(LIBOBJ) $(TESTLIBOBJ)
@if [ "$(DYNAMIC_ENGINES)" = 1 ]; then \
@ -71,8 +76,12 @@ e_padlock-x86.s: asm/e_padlock-x86.pl
e_padlock-x86_64.s: asm/e_padlock-x86_64.pl
$(PERL) asm/e_padlock-x86_64.pl $(PERLASM_SCHEME) > $@
subdirs:
@target=all; $(RECURSIVE_MAKE)
files:
$(PERL) $(TOP)/util/files.pl Makefile >> $(TOP)/MINFO
@target=files; $(RECURSIVE_MAKE)
install:
@[ -n "$(INSTALLTOP)" ] # should be set by top Makefile...
@ -94,6 +103,7 @@ uninstall:
$(RM) $(DESTDIR)$(INSTALLTOP)/$(LIBDIR)/engines/$${l}$(DSO_EXT); \
done; \
fi
@target=install; $(RECURSIVE_MAKE)
errors:
set -e; for l in $(LIBNAMES); do \
@ -107,5 +117,6 @@ depend:
clean:
rm -f *.s *.o *.obj lib tags core .pure .nfs* *.old *.bak fluff
@target=clean; $(RECURSIVE_MAKE)
# DO NOT DELETE THIS LINE -- make depend depends on it.

89
engines/afalg/Makefile.in Normal file
View File

@ -0,0 +1,89 @@
#
# OpenSSL/engines/afalg/Makefile
#
DIR= afalg
TOP= ../..
CC= cc
INCLUDES= -I../../include
CFLAG=-g
MAKEFILE= Makefile
AR= ar r
CFLAGS= $(INCLUDES) $(CFLAG)
LIB=$(TOP)/libcrypto.a
LIBNAME=afalg
LIBSRC= e_afalg.c
LIBOBJ= e_afalg.o e_afalg_err.o
SRC= $(LIBSRC)
top:
(cd $(TOP); $(MAKE) DIRS=engines sub_all)
all: errors lib
errors:
$(PERL) $(TOP)/util/mkerr.pl -conf e_afalg.ec -nostatic -write $(SRC)
lib: $(LIBOBJ)
@if [ -n "$(SHARED_LIBS)" ]; then \
$(MAKE) -f $(TOP)/Makefile.shared -e \
LIBNAME=$(LIBNAME) \
LIBEXTRAS='$(LIBOBJ)' \
LIBDEPS='-L$(TOP) -lcrypto' \
link_o.$(SHLIB_TARGET); \
else \
$(AR) $(LIB) $(LIBOBJ); \
fi
@touch lib
install:
[ -n "$(INSTALLTOP)" ] # should be set by top Makefile...
if [ -n "$(SHARED_LIBS)" ]; then \
set -e; \
echo installing $(LIBNAME); \
pfx=lib; \
if expr "$(PLATFORM)" : "Cygwin" >/dev/null; then \
sfx=".so"; \
cp cyg$(LIBNAME).dll $(INSTALL_PREFIX)$(INSTALLTOP)/$(LIBDIR)/engines/$${pfx}$(LIBNAME)$$sfx.new; \
else \
case "$(CFLAGS)" in \
*DSO_DLFCN*) sfx=`expr "$(SHLIB_EXT)" : '.*\(\.[a-z][a-z]*\)' \| ".so"`;; \
*DSO_DL*) sfx=".sl";; \
*DSO_WIN32*) sfx="eay32.dll"; pfx=;; \
*) sfx=".bad";; \
esac; \
cp $${pfx}$(LIBNAME)$$sfx $(INSTALL_PREFIX)$(INSTALLTOP)/$(LIBDIR)/engines/$${pfx}$(LIBNAME)$$sfx.new; \
fi; \
chmod 555 $(INSTALL_PREFIX)$(INSTALLTOP)/$(LIBDIR)/engines/$${pfx}$(LIBNAME)$$sfx.new; \
mv -f $(INSTALL_PREFIX)$(INSTALLTOP)/$(LIBDIR)/engines/$${pfx}$(LIBNAME)$$sfx.new $(INSTALL_PREFIX)$(INSTALLTOP)/$(LIBDIR)/engines/$${pfx}$(LIBNAME)$$sfx; \
fi
depend:
@[ -z "$(THIS)" ] || $(TOP)/util/domd $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC) $(TESTLIBSRC)
files:
$(PERL) $(TOP)/util/files.pl Makefile >> $(TOP)/MINFO
clean:
rm -f *.s *.o *.obj lib tags core .pure .nfs* *.old *.bak fluff *.so *.dll *.dylib
# DO NOT DELETE THIS LINE -- make depend depends on it.
e_afalg.o: e_afalg.c ../../include/openssl/engine.h \
../../include/openssl/opensslconf.h ../../include/openssl/bn.h \
../../include/openssl/e_os2.h ../../include/openssl/ossl_typ.h \
../../include/openssl/crypto.h ../../include/openssl/stack.h \
../../include/openssl/safestack.h ../../include/openssl/opensslv.h \
../../include/openssl/symhacks.h ../../include/openssl/rsa.h \
../../include/openssl/asn1.h ../../include/openssl/bio.h \
../../include/openssl/dsa.h ../../include/openssl/dh.h \
../../include/openssl/ec.h ../../include/openssl/rand.h \
../../include/openssl/ui.h ../../include/openssl/err.h \
../../include/openssl/lhash.h ../../include/openssl/x509.h \
../../include/openssl/buffer.h ../../include/openssl/evp.h \
../../include/openssl/objects.h ../../include/openssl/obj_mac.h \
../../include/openssl/sha.h ../../include/openssl/x509_vfy.h \
../../include/openssl/pkcs7.h ../../include/openssl/async.h e_afalg.h \
e_afalg_err.h

8
engines/afalg/build.info Normal file
View File

@ -0,0 +1,8 @@
{- use File::Spec::Functions qw/:DEFAULT rel2abs/; -}
IF[{- $config{afalg} eq "afalg" -}]
ENGINES=libafalg
SOURCE[libafalg]=e_afalg.c e_afalg_err.c
DEPEND[libafalg]=../../libcrypto
INCLUDE[libafalg]= {- rel2abs(catdir($builddir,"../include")) -} ../../include
ENDIF

839
engines/afalg/e_afalg.c Normal file
View File

@ -0,0 +1,839 @@
/* ====================================================================
* Copyright (c) 1999-2016 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
/* Required for vmsplice */
#define _GNU_SOURCE
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <openssl/engine.h>
#include <openssl/async.h>
#include <linux/version.h>
#define K_MAJ 4
#define K_MIN1 1
#define K_MIN2 0
#if LINUX_VERSION_CODE <= KERNEL_VERSION(K_MAJ, K_MIN1, K_MIN2)
# warning "AFALG ENGINE requires Kernel Headers >= 4.1.0"
# warning "Skipping Compilation of AFALG engine"
#else
# include <linux/if_alg.h>
# include <sys/socket.h>
# include <fcntl.h>
# include <sys/utsname.h>
# include <linux/aio_abi.h>
# include <sys/syscall.h>
# include <errno.h>
# include "e_afalg.h"
# define AFALG_LIB_NAME "AFALG"
# include "e_afalg_err.h"
# ifndef SOL_ALG
# define SOL_ALG 279
# endif
# ifdef ALG_ZERO_COPY
# ifndef SPLICE_F_GIFT
# define SPLICE_F_GIFT (0x08)
# endif
# endif
# define ALG_AES_IV_LEN 16
# define ALG_IV_LEN(len) (sizeof(struct af_alg_iv) + (len))
# define ALG_OP_TYPE unsigned int
# define ALG_OP_LEN (sizeof(ALG_OP_TYPE))
/* Local Linkage Functions */
static int afalg_init_aio(afalg_aio *aio);
static int afalg_fin_cipher_aio(afalg_aio *ptr, int sfd,
unsigned char *buf, size_t len);
static int afalg_create_bind_sk(void);
static int afalg_destroy(ENGINE *e);
static int afalg_init(ENGINE *e);
static int afalg_finish(ENGINE *e);
const EVP_CIPHER *afalg_aes_128_cbc(void);
static int afalg_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
const int **nids, int nid);
static int afalg_cipher_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc);
static int afalg_do_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t inl);
static int afalg_cipher_cleanup(EVP_CIPHER_CTX *ctx);
static int afalg_chk_platform(void);
/* Engine Id and Name */
static const char *engine_afalg_id = "afalg";
static const char *engine_afalg_name = "AFLAG engine support";
int afalg_cipher_nids[] = {
NID_aes_128_cbc
};
static EVP_CIPHER *_hidden_aes_128_cbc = NULL;
static inline int io_setup(unsigned n, aio_context_t *ctx)
{
return syscall(__NR_io_setup, n, ctx);
}
static inline int eventfd(int n)
{
return syscall(__NR_eventfd, n);
}
static inline int io_destroy(aio_context_t ctx)
{
return syscall(__NR_io_destroy, ctx);
}
static inline int io_read(aio_context_t ctx, long n, struct iocb **iocb)
{
return syscall(__NR_io_submit, ctx, n, iocb);
}
static inline int io_getevents(aio_context_t ctx, long min, long max,
struct io_event *events,
struct timespec *timeout)
{
return syscall(__NR_io_getevents, ctx, min, max, events, timeout);
}
static void afalg_waitfd_cleanup(ASYNC_WAIT_CTX *ctx, const void *key,
OSSL_ASYNC_FD waitfd, void *custom)
{
close(waitfd);
}
static int afalg_setup_async_event_notification(afalg_aio *aio)
{
ASYNC_JOB *job;
ASYNC_WAIT_CTX *waitctx;
void *custom = NULL;
if ((job = ASYNC_get_current_job()) != NULL) {
/* Async mode */
waitctx = ASYNC_get_wait_ctx(job);
if (waitctx == NULL) {
ALG_WARN("%s: ASYNC_get_wait_ctx error", __func__);
return 0;
}
/* Get waitfd from ASYNC_WAIT_CTX if it is alreday set */
if (0 == ASYNC_WAIT_CTX_get_fd(waitctx, engine_afalg_id,
&aio->efd_async, &custom)) {
/* waitfd is not set in ASYNC_WAIT_CTX so we set it */
/* efd_async will be signaled when AIO operation completes */
aio->efd_async = eventfd(0);
if (aio->efd_async == -1) {
ALG_PERR("%s: Failed to get eventfd : ", __func__);
AFALGerr(AFALG_F_AFALG_SETUP_ASYNC_EVENT_NOTIFICATION,
AFALG_R_EVENTFD_FAILED);
return 0;
}
if (0 ==
ASYNC_WAIT_CTX_set_wait_fd(waitctx, engine_afalg_id,
aio->efd_async, custom,
afalg_waitfd_cleanup)) {
ALG_WARN("%s: Failed to set wait fd", __func__);
close(aio->efd_async);
return 0;
}
/* make fd non-blocking in async mode */
if (fcntl(aio->efd_async, F_SETFL, O_NONBLOCK) != 0) {
ALG_WARN("%s: Failed to set event fd as NONBLOCKING",
__func__);
}
}
/* efd_async is the active fd to be used */
aio->efd = aio->efd_async;
} else {
/* Sync mode */
/* efd_sync will be signaled when AIO operation completes */
aio->efd_sync = eventfd(0);
if (aio->efd_sync == -1) {
ALG_PERR("%s: Failed to get eventfd : ", __func__);
AFALGerr(AFALG_F_AFALG_SETUP_ASYNC_EVENT_NOTIFICATION,
AFALG_R_EVENTFD_FAILED);
return 0;
}
/* efd_async is the active fd to be used */
aio->efd = aio->efd_sync;
}
return 1;
}
int afalg_init_aio(afalg_aio *aio)
{
int r = -1;
/* Initialise for AIO */
aio->aio_ctx = 0;
r = io_setup(MAX_INFLIGHTS, &aio->aio_ctx);
if (r < 0) {
ALG_PERR("%s: io_setup error : ", __func__);
AFALGerr(AFALG_F_AFALG_INIT_AIO, AFALG_R_IO_SETUP_FAILED);
return 0;
}
memset(aio->cbt, 0, sizeof(aio->cbt));
aio->efd_sync = -1;
aio->efd_async = -1;
aio->efd = -1;
return 1;
}
int afalg_fin_cipher_aio(afalg_aio *aio, int sfd, unsigned char *buf,
size_t len)
{
int r;
int retry = 0;
unsigned int done = 0;
struct iocb *cb;
struct timespec timeout;
struct io_event events[MAX_INFLIGHTS];
u_int64_t eval = 0;
timeout.tv_sec = 0;
timeout.tv_nsec = 0;
/* if efd has not been initialised yet do it here */
if (aio->efd == -1) {
r = afalg_setup_async_event_notification(aio);
if (r == 0)
return 0;
}
cb = &(aio->cbt[0 % MAX_INFLIGHTS]);
memset(cb, '\0', sizeof(*cb));
cb->aio_fildes = sfd;
cb->aio_lio_opcode = IOCB_CMD_PREAD;
cb->aio_buf = (unsigned long)buf;
cb->aio_offset = 0;
cb->aio_data = 0;
cb->aio_nbytes = len;
cb->aio_flags = IOCB_FLAG_RESFD;
cb->aio_resfd = aio->efd;
/*
* Perform AIO read on AFALG socket, this in turn performs an async
* crypto operation in kernel space
*/
r = io_read(aio->aio_ctx, 1, &cb);
if (r < 0) {
ALG_PERR("%s: io_read failed : ", __func__);
return 0;
}
do {
/* While AIO read is being performed pause job */
ASYNC_pause_job();
/* Check for completion of AIO read */
r = read(aio->efd, &eval, sizeof(eval));
if (r < 0) {
if (errno == EAGAIN || errno == EWOULDBLOCK)
continue;
ALG_PERR("%s: read failed for event fd : ", __func__);
return 0;
} else if (r == 0 || eval <= 0) {
ALG_WARN("%s: eventfd read %d bytes, eval = %lu\n", __func__, r,
eval);
}
if (eval > 0) {
/* Get results of AIO read */
r = io_getevents(aio->aio_ctx, 1, 1, events, &timeout);
if (r > 0) {
/*
* events.res indicates the actual status of the operation.
* Handle the error condition first.
*/
if (events[0].res < 0) {
/*
* Underlying operation cannot be completed at the time
* of previous submission. Resubmit for the operation.
*/
if (events[0].res == -EBUSY && retry++ < 3) {
r = io_read(aio->aio_ctx, 1, &cb);
if (r < 0) {
ALG_PERR("%s: retry %d for io_read failed : ",
__func__, retry);
return 0;
}
continue;
} else {
/*
* Retries exceed for -EBUSY or unrecoverable error
* condition for this instance of operation.
*/
ALG_WARN
("%s: Crypto Operation failed with code %lld\n",
__func__, events[0].res);
return 0;
}
}
/* Operation successful. */
done = 1;
} else if (r < 0) {
ALG_PERR("%s: io_getevents failed : ", __func__);
return 0;
} else {
ALG_WARN("%s: io_geteventd read 0 bytes\n", __func__);
}
}
} while (!done);
return 1;
}
static int afalg_create_bind_sk(void)
{
struct sockaddr_alg sa = {
.salg_family = AF_ALG,
.salg_type = "skcipher",
.salg_name = "cbc(aes)"
};
int sfd;
int r = -1;
/* Create AFALG socket for crypto processing */
sfd = socket(AF_ALG, SOCK_SEQPACKET, 0);
if (sfd == -1) {
ALG_PERR("%s: Failed to open socket : ", __func__);
AFALGerr(AFALG_F_AFALG_CREATE_BIND_SK, AFALG_R_SOCKET_CREATE_FAILED);
goto err;
}
/* Set cipher algorithm for aes-cbc */
r = bind(sfd, (struct sockaddr *)&sa, sizeof(sa));
if (r < 0) {
ALG_PERR("%s: Failed to bind socket : ", __func__);
AFALGerr(AFALG_F_AFALG_CREATE_BIND_SK, AFALG_R_SOCKET_BIND_FAILED);
goto err;
}
return sfd;
err:
if (sfd >= 0)
close(sfd);
return r;
}
static inline void afalg_set_op_sk(struct cmsghdr *cmsg,
const unsigned int op)
{
cmsg->cmsg_level = SOL_ALG;
cmsg->cmsg_type = ALG_SET_OP;
cmsg->cmsg_len = CMSG_LEN(ALG_OP_LEN);
*CMSG_DATA(cmsg) = (char)op;
}
static void afalg_set_iv_sk(struct cmsghdr *cmsg, const unsigned char *iv,
const unsigned int len)
{
struct af_alg_iv *aiv;
cmsg->cmsg_level = SOL_ALG;
cmsg->cmsg_type = ALG_SET_IV;
cmsg->cmsg_len = CMSG_LEN(ALG_IV_LEN(len));
aiv = (struct af_alg_iv *)CMSG_DATA(cmsg);
aiv->ivlen = len;
memcpy(aiv->iv, iv, len);
}
static void afalg_socket(afalg_ctx *actx, const unsigned char *key,
const int klen)
{
int ret;
actx->bfd = actx->sfd = -1;
actx->bfd = afalg_create_bind_sk();
if (actx->bfd < 0) {
return;
}
/*
* Send cipher key to the kernel in preparation for future crypto
* requests
*/
ret = setsockopt(actx->bfd, SOL_ALG, ALG_SET_KEY, key, klen);
if (ret < 0) {
ALG_PERR("%s: Failed to set socket option : ", __func__);
AFALGerr(AFALG_F_AFALG_SOCKET, AFALG_R_SOCKET_SET_KEY_FAILED);
goto err;
}
/* Get fd to perform future aes-cbc operations with given key */
actx->sfd = accept(actx->bfd, NULL, 0);
if (actx->sfd < 0) {
ALG_PERR("%s: Socket Accept Failed : ", __func__);
AFALGerr(AFALG_F_AFALG_SOCKET, AFALG_R_SOCKET_BIND_FAILED);
goto err;
}
return;
err:
if (actx->bfd >= 0)
close(actx->bfd);
if (actx->sfd >= 0)
close(actx->sfd);
actx->bfd = actx->sfd = -1;
return;
}
static int afalg_start_cipher_sk(afalg_ctx *actx, const unsigned char *in,
size_t inl, const unsigned char *iv,
unsigned int enc)
{
struct msghdr msg = { 0 };
struct cmsghdr *cmsg;
struct iovec iov;
ssize_t sbytes;
# ifdef ALG_ZERO_COPY
int ret;
# endif
const ssize_t cbuf_sz = CMSG_SPACE(ALG_IV_LEN(ALG_AES_IV_LEN))
+ CMSG_SPACE(ALG_OP_LEN);
char cbuf[cbuf_sz];
memset(cbuf, 0, cbuf_sz);
msg.msg_control = cbuf;
msg.msg_controllen = cbuf_sz;
/*
* cipher direction (i.e. encrypt or decrypt) and iv are sent to the
* kernel as part of sendmsg()'s ancillary data
*/
cmsg = CMSG_FIRSTHDR(&msg);
afalg_set_op_sk(cmsg, enc);
cmsg = CMSG_NXTHDR(&msg, cmsg);
afalg_set_iv_sk(cmsg, iv, ALG_AES_IV_LEN);
/* iov that describes input data */
iov.iov_base = (unsigned char *)in;
iov.iov_len = inl;
msg.msg_flags = MSG_MORE;
# ifdef ALG_ZERO_COPY
/*
* ZERO_COPY mode
* Works best when buffer is 4k aligned
* OPENS: out of place processing (i.e. out != in)
*/
/* Input data is not sent as part of call to sendmsg() */
msg.msg_iovlen = 0;
msg.msg_iov = NULL;
/* Sendmsg() sends iv and cipher direction to the kernel */
sbytes = sendmsg(actx->sfd, &msg, 0);
if (sbytes < 0) {
ALG_PERR("%s: sendmsg failed for zero copy cipher operation : ",
__func__);
return 0;
}
/*
* vmsplice and splice are used to pin the user space input buffer for
* kernel space processing avoiding copys from user to kernel space
*/
ret = vmsplice(actx->zc_pipe[1], &iov, 1, SPLICE_F_GIFT);
if (ret < 0) {
ALG_PERR("%s: vmsplice failed : ", __func__);
return 0;
}
ret = splice(actx->zc_pipe[0], NULL, actx->sfd, NULL, inl, 0);
if (ret < 0) {
ALG_PERR("%s: splice failed : ", __func__);
return 0;
}
# else
msg.msg_iovlen = 1;
msg.msg_iov = &iov;
/* Sendmsg() sends iv, cipher direction and input data to the kernel */
sbytes = sendmsg(actx->sfd, &msg, 0);
if (sbytes < 0) {
ALG_PERR("%s: sendmsg failed for cipher operation : ", __func__);
return 0;
}
if (sbytes != (ssize_t) inl) {
ALG_ERR("Cipher operation send bytes %zd != inlen %zd\n", sbytes,
inl);
return 0;
}
# endif
return 1;
}
static int afalg_cipher_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
int ciphertype;
afalg_ctx *actx;
if (ctx == NULL || key == NULL) {
ALG_WARN("%s: Null Parameter\n", __func__);
return 0;
}
if (EVP_CIPHER_CTX_cipher(ctx) == NULL) {
ALG_WARN("%s: Cipher object NULL\n", __func__);
return 0;
}
actx = EVP_CIPHER_CTX_cipher_data(ctx);
if (actx == NULL) {
ALG_WARN("%s: Cipher data NULL\n", __func__);
return 0;
}
ciphertype = EVP_CIPHER_CTX_nid(ctx);
switch (ciphertype) {
case NID_aes_128_cbc:
break;
default:
ALG_WARN("%s: Unsupported Cipher type %d\n", __func__, ciphertype);
return 0;
}
if (ALG_AES_IV_LEN != EVP_CIPHER_CTX_iv_length(ctx)) {
ALG_ERR("%s: Unsupported IV length :%d\n", __func__,
EVP_CIPHER_CTX_iv_length(ctx));
return 0;
}
/* Setup AFALG socket for crypto processing */
afalg_socket(actx, key, EVP_CIPHER_CTX_key_length(ctx));
if (actx->sfd < 0) {
return 0;
}
/* Setup AIO ctx to allow async AFALG crypto processing */
if (afalg_init_aio(&actx->aio) == 0) {
close(actx->sfd);
close(actx->bfd);
return 0;
}
# ifdef ALG_ZERO_COPY
pipe(actx->zc_pipe);
# endif
actx->init_done = MAGIC_INIT_NUM;
return 1;
}
static int afalg_do_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t inl)
{
afalg_ctx *actx;
int ret;
char nxtiv[ALG_AES_IV_LEN] = { 0 };
if (ctx == NULL || out == NULL || in == NULL) {
ALG_WARN("NULL parameter passed to function %s\n", __func__);
return 0;
}
actx = (afalg_ctx *) EVP_CIPHER_CTX_cipher_data(ctx);
if (actx == NULL || actx->init_done != MAGIC_INIT_NUM) {
ALG_WARN("%s afalg ctx passed\n",
ctx == NULL ? "NULL" : "Uninitialised");
return 0;
}
/*
* set iv now for decrypt operation as the input buffer can be
* overwritten for inplace operation where in = out.
*/
if (EVP_CIPHER_CTX_encrypting(ctx) == 0) {
memcpy(nxtiv, in + (inl - ALG_AES_IV_LEN), ALG_AES_IV_LEN);
}
/* Send input data to kernel space */
ret = afalg_start_cipher_sk(actx, (unsigned char *)in, inl,
EVP_CIPHER_CTX_iv(ctx),
EVP_CIPHER_CTX_encrypting(ctx));
if (ret < 1) {
return 0;
}
/* Perform async crypto operation in kernel space */
ret = afalg_fin_cipher_aio(&actx->aio, actx->sfd, out, inl);
if (ret < 1) {
ALG_WARN("%s: Socket cipher operation failed\n", __func__);
return 0;
}
if (EVP_CIPHER_CTX_encrypting(ctx)) {
memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), out + (inl - ALG_AES_IV_LEN),
ALG_AES_IV_LEN);
} else {
memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), nxtiv, ALG_AES_IV_LEN);
}
return 1;
}
static int afalg_cipher_cleanup(EVP_CIPHER_CTX *ctx)
{
afalg_ctx *actx;
if (ctx == NULL) {
ALG_WARN("NULL parameter passed to function %s\n", __func__);
return 0;
}
actx = (afalg_ctx *) EVP_CIPHER_CTX_cipher_data(ctx);
if (actx == NULL || actx->init_done != MAGIC_INIT_NUM) {
ALG_WARN("%s afalg ctx passed\n",
ctx == NULL ? "NULL" : "Uninitialised");
return 0;
}
close(actx->sfd);
close(actx->bfd);
# ifdef ALG_ZERO_COPY
close(actx->zc_pipe[0]);
close(actx->zc_pipe[1]);
# endif
/* close sync mode efd, async mode is closed in afalg_waitfd_cleanup() */
if (actx->aio.efd_sync >= 0)
close(actx->aio.efd_sync);
io_destroy(actx->aio.aio_ctx);
return 1;
}
const EVP_CIPHER *afalg_aes_128_cbc(void)
{
if (_hidden_aes_128_cbc == NULL
&& ((_hidden_aes_128_cbc =
EVP_CIPHER_meth_new(NID_aes_128_cbc,
AES_BLOCK_SIZE,
AES_KEY_SIZE_128)) == NULL
|| !EVP_CIPHER_meth_set_iv_length(_hidden_aes_128_cbc, AES_IV_LEN)
|| !EVP_CIPHER_meth_set_flags(_hidden_aes_128_cbc,
EVP_CIPH_CBC_MODE |
EVP_CIPH_FLAG_DEFAULT_ASN1)
|| !EVP_CIPHER_meth_set_init(_hidden_aes_128_cbc,
afalg_cipher_init)
|| !EVP_CIPHER_meth_set_do_cipher(_hidden_aes_128_cbc,
afalg_do_cipher)
|| !EVP_CIPHER_meth_set_cleanup(_hidden_aes_128_cbc,
afalg_cipher_cleanup)
|| !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_aes_128_cbc,
sizeof(afalg_ctx)))) {
EVP_CIPHER_meth_free(_hidden_aes_128_cbc);
_hidden_aes_128_cbc = NULL;
}
return _hidden_aes_128_cbc;
}
static int afalg_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
const int **nids, int nid)
{
int r = 1;
if (cipher == NULL) {
*nids = afalg_cipher_nids;
return (sizeof(afalg_cipher_nids) / sizeof(afalg_cipher_nids[0]));
}
switch (nid) {
case NID_aes_128_cbc:
*cipher = afalg_aes_128_cbc();
break;
default:
*cipher = NULL;
r = 0;
}
return r;
}
static int bind_afalg(ENGINE *e)
{
/* Ensure the afalg error handling is set up */
ERR_load_AFALG_strings();
if (!ENGINE_set_id(e, engine_afalg_id)
|| !ENGINE_set_name(e, engine_afalg_name)
|| !ENGINE_set_destroy_function(e, afalg_destroy)
|| !ENGINE_set_init_function(e, afalg_init)
|| !ENGINE_set_finish_function(e, afalg_finish)) {
AFALGerr(AFALG_F_BIND_AFALG, AFALG_R_INIT_FAILED);
return 0;
}
if (!ENGINE_set_ciphers(e, afalg_ciphers)) {
AFALGerr(AFALG_F_BIND_AFALG, AFALG_R_INIT_FAILED);
return 0;
}
return 1;
}
# ifndef OPENSSL_NO_DYNAMIC_ENGINE
static int bind_helper(ENGINE *e, const char *id)
{
if (id && (strcmp(id, engine_afalg_id) != 0))
return 0;
if (!afalg_chk_platform())
return 0;
if (!bind_afalg(e))
return 0;
return 1;
}
IMPLEMENT_DYNAMIC_CHECK_FN()
IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
# endif
static int afalg_chk_platform(void)
{
int ret;
int i;
int kver[3] = { -1, -1, -1 };
char *str;
struct utsname ut;
ret = uname(&ut);
if (ret != 0) {
ALG_ERR("%s: Failed to get system information\n", __func__);
return 0;
}
str = strtok(ut.release, ".");
for (i = 0; i < 3 && str != NULL; i++) {
kver[i] = atoi(str);
str = strtok(NULL, ".");
}
if (KERNEL_VERSION(kver[0], kver[1], kver[2])
< KERNEL_VERSION(K_MAJ, K_MIN1, K_MIN2)) {
ALG_WARN("ASYNC AFALG not supported this kernel(%d.%d.%d)\n",
kver[0], kver[1], kver[2]);
ALG_WARN("ASYNC AFALG requires kernel version %d.%d.%d or later\n",
K_MAJ, K_MIN1, K_MIN2);
AFALGerr(AFALG_F_AFALG_CHK_PLATFORM,
AFALG_R_KERNEL_DOES_NOT_SUPPORT_ASYNC_AFALG);
return 0;
}
return 1;
}
# ifdef OPENSSL_NO_DYNAMIC_ENGINE
static ENGINE *engine_afalg(void)
{
ENGINE *ret = ENGINE_new();
if (ret == NULL)
return NULL;
if (!bind_afalg(ret)) {
ENGINE_free(ret);
return NULL;
}
return ret;
}
static void ENGINE_load_afalg(void)
{
ENGINE *toadd;
if (!afalg_chk_platform())
return;
toadd = engine_afalg();
if (toadd == NULL)
return;
ENGINE_add(toadd);
ENGINE_free(toadd);
ERR_clear_error();
}
# endif
static int afalg_init(ENGINE *e)
{
return 1;
}
static int afalg_finish(ENGINE *e)
{
return 1;
}
static int afalg_destroy(ENGINE *e)
{
ERR_unload_AFALG_strings();
return 1;
}
#endif /* KERNEL VERSION */

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L AFALG e_afalg_err.h e_afalg_err.c

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/* ====================================================================
* Copyright (c) 1999-2016 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#ifndef _E_AFALG_H_
# define _E_AFALG_H_
# ifdef ALG_DEBUG
# define ALG_DGB(x, ...) fprintf(stderr, "ALG_DBG: " x, __VA_ARGS__)
# define ALG_INFO(x, ...) fprintf(stderr, "ALG_INFO: " x, __VA_ARGS__)
# define ALG_WARN(x, ...) fprintf(stderr, "ALG_WARN: " x, __VA_ARGS__)
# else
# define ALG_DGB(x, ...)
# define ALG_INFO(x, ...)
# define ALG_WARN(x, ...)
# endif
# define ALG_ERR(x, ...) fprintf(stderr, "ALG_ERR: " x, __VA_ARGS__)
# define ALG_PERR(x, ...) \
do { \
fprintf(stderr, "ALG_PERR: " x, __VA_ARGS__); \
perror(NULL); \
} while(0)
# ifndef AES_BLOCK_SIZE
# define AES_BLOCK_SIZE 16
# endif
# define AES_KEY_SIZE_128 16
# define AES_IV_LEN 16
# define MAX_INFLIGHTS 1
struct afalg_aio_st {
int efd_sync; /* event fd when sync mode is used */
int efd_async; /* event fd when async mode is used */
int efd; /* event fd that is currently in use equal
to either efd_sync or efd_async */
aio_context_t aio_ctx;
struct io_event events[MAX_INFLIGHTS];
struct iocb cbt[MAX_INFLIGHTS];
};
typedef struct afalg_aio_st afalg_aio;
/*
* MAGIC Number to identify correct initialisation
* of afalg_ctx.
*/
# define MAGIC_INIT_NUM 0x1890671
struct afalg_ctx_st {
int init_done;
int sfd;
int bfd;
# ifdef ALG_ZERO_COPY
int zc_pipe[2];
# endif
afalg_aio aio;
};
typedef struct afalg_ctx_st afalg_ctx;
#endif

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/* ====================================================================
* Copyright (c) 1999-2016 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
/*
* NOTE: this file was auto generated by the mkerr.pl script: any changes
* made to it will be overwritten when the script next updates this file,
* only reason strings will be preserved.
*/
#include <stdio.h>
#include <openssl/err.h>
#include "e_afalg_err.h"
/* BEGIN ERROR CODES */
#ifndef OPENSSL_NO_ERR
# define ERR_FUNC(func) ERR_PACK(0,func,0)
# define ERR_REASON(reason) ERR_PACK(0,0,reason)
static ERR_STRING_DATA AFALG_str_functs[] = {
{ERR_FUNC(AFALG_F_AFALG_CHK_PLATFORM), "afalg_chk_platform"},
{ERR_FUNC(AFALG_F_AFALG_CREATE_BIND_SK), "afalg_create_bind_sk"},
{ERR_FUNC(AFALG_F_AFALG_CREATE_BIND_SOCKET), "afalg_create_bind_sk"},
{ERR_FUNC(AFALG_F_AFALG_INIT_AIO), "afalg_init_aio"},
{ERR_FUNC(AFALG_F_AFALG_SETUP_ASYNC_EVENT_NOTIFICATION),
"afalg_setup_async_event_notification"},
{ERR_FUNC(AFALG_F_AFALG_SOCKET), "afalg_socket"},
{ERR_FUNC(AFALG_F_AFALG_START_CIPHER_SK), "afalg_start_cipher_sk"},
{ERR_FUNC(AFALG_F_BIND_AFALG), "bind_afalg"},
{0, NULL}
};
static ERR_STRING_DATA AFALG_str_reasons[] = {
{ERR_REASON(AFALG_R_EVENTFD_FAILED), "eventfd failed"},
{ERR_REASON(AFALG_R_INIT_FAILED), "init failed"},
{ERR_REASON(AFALG_R_IO_SETUP_FAILED), "io setup failed"},
{ERR_REASON(AFALG_R_KERNEL_DOES_NOT_SUPPORT_AFALG),
"kernel does not support afalg"},
{ERR_REASON(AFALG_R_KERNEL_DOES_NOT_SUPPORT_ASYNC_AFALG),
"kernel does not support async afalg"},
{ERR_REASON(AFALG_R_MEM_ALLOC_FAILED), "mem alloc failed"},
{ERR_REASON(AFALG_R_SOCKET_BIND_FAILED), "socket bind failed"},
{ERR_REASON(AFALG_R_SOCKET_CREATE_FAILED), "socket create failed"},
{ERR_REASON(AFALG_R_SOCKET_OPERATION_FAILED), "socket operation failed"},
{ERR_REASON(AFALG_R_SOCKET_SET_KEY_FAILED), "socket set key failed"},
{0, NULL}
};
#endif
#ifdef AFALG_LIB_NAME
static ERR_STRING_DATA AFALG_lib_name[] = {
{0, AFALG_LIB_NAME},
{0, NULL}
};
#endif
static int AFALG_lib_error_code = 0;
static int AFALG_error_init = 1;
void ERR_load_AFALG_strings(void)
{
if (AFALG_lib_error_code == 0)
AFALG_lib_error_code = ERR_get_next_error_library();
if (AFALG_error_init) {
AFALG_error_init = 0;
#ifndef OPENSSL_NO_ERR
ERR_load_strings(AFALG_lib_error_code, AFALG_str_functs);
ERR_load_strings(AFALG_lib_error_code, AFALG_str_reasons);
#endif
#ifdef AFALG_LIB_NAME
AFALG_lib_name->error = ERR_PACK(AFALG_lib_error_code, 0, 0);
ERR_load_strings(0, AFALG_lib_name);
#endif
}
}
void ERR_unload_AFALG_strings(void)
{
if (AFALG_error_init == 0) {
#ifndef OPENSSL_NO_ERR
ERR_unload_strings(AFALG_lib_error_code, AFALG_str_functs);
ERR_unload_strings(AFALG_lib_error_code, AFALG_str_reasons);
#endif
#ifdef AFALG_LIB_NAME
ERR_unload_strings(0, AFALG_lib_name);
#endif
AFALG_error_init = 1;
}
}
void ERR_AFALG_error(int function, int reason, char *file, int line)
{
if (AFALG_lib_error_code == 0)
AFALG_lib_error_code = ERR_get_next_error_library();
ERR_PUT_error(AFALG_lib_error_code, function, reason, file, line);
}

99
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/* ====================================================================
* Copyright (c) 2001-2016 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#ifndef HEADER_AFALG_ERR_H
# define HEADER_AFALG_ERR_H
# ifdef __cplusplus
extern "C" {
# endif
/* BEGIN ERROR CODES */
/*
* The following lines are auto generated by the script mkerr.pl. Any changes
* made after this point may be overwritten when the script is next run.
*/
void ERR_load_AFALG_strings(void);
void ERR_unload_AFALG_strings(void);
void ERR_AFALG_error(int function, int reason, char *file, int line);
# define AFALGerr(f,r) ERR_AFALG_error((f),(r),__FILE__,__LINE__)
/* Error codes for the AFALG functions. */
/* Function codes. */
# define AFALG_F_AFALG_CHK_PLATFORM 100
# define AFALG_F_AFALG_CREATE_BIND_SK 106
# define AFALG_F_AFALG_CREATE_BIND_SOCKET 105
# define AFALG_F_AFALG_INIT_AIO 101
# define AFALG_F_AFALG_SETUP_ASYNC_EVENT_NOTIFICATION 107
# define AFALG_F_AFALG_SOCKET 102
# define AFALG_F_AFALG_START_CIPHER_SK 103
# define AFALG_F_BIND_AFALG 104
/* Reason codes. */
# define AFALG_R_EVENTFD_FAILED 108
# define AFALG_R_INIT_FAILED 100
# define AFALG_R_IO_SETUP_FAILED 105
# define AFALG_R_KERNEL_DOES_NOT_SUPPORT_AFALG 101
# define AFALG_R_KERNEL_DOES_NOT_SUPPORT_ASYNC_AFALG 107
# define AFALG_R_MEM_ALLOC_FAILED 102
# define AFALG_R_SOCKET_BIND_FAILED 103
# define AFALG_R_SOCKET_CREATE_FAILED 109
# define AFALG_R_SOCKET_OPERATION_FAILED 104
# define AFALG_R_SOCKET_SET_KEY_FAILED 106
#ifdef __cplusplus
}
#endif
#endif