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da34e65cb4
Commit 57cb38b included qapi/error.h into qemu/osdep.h to get the
Error typedef. Since then, we've moved to include qemu/osdep.h
everywhere. Its file comment explains: "To avoid getting into
possible circular include dependencies, this file should not include
any other QEMU headers, with the exceptions of config-host.h,
compiler.h, os-posix.h and os-win32.h, all of which are doing a
similar job to this file and are under similar constraints."
qapi/error.h doesn't do a similar job, and it doesn't adhere to
similar constraints: it includes qapi-types.h. That's in excess of
100KiB of crap most .c files don't actually need.
Add the typedef to qemu/typedefs.h, and include that instead of
qapi/error.h. Include qapi/error.h in .c files that need it and don't
get it now. Include qapi-types.h in qom/object.h for uint16List.
Update scripts/clean-includes accordingly. Update it further to match
reality: replace config.h by config-target.h, add sysemu/os-posix.h,
sysemu/os-win32.h. Update the list of includes in the qemu/osdep.h
comment quoted above similarly.
This reduces the number of objects depending on qapi/error.h from "all
of them" to less than a third. Unfortunately, the number depending on
qapi-types.h shrinks only a little. More work is needed for that one.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
[Fix compilation without the spice devel packages. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/*
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* QEMU Crypto PBKDF support (Password-Based Key Derivation Function)
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*
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* Copyright (c) 2015-2016 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "crypto/pbkdf.h"
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#include "nettle/pbkdf2.h"
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bool qcrypto_pbkdf2_supports(QCryptoHashAlgorithm hash)
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{
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switch (hash) {
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case QCRYPTO_HASH_ALG_SHA1:
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case QCRYPTO_HASH_ALG_SHA256:
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return true;
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default:
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return false;
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}
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}
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int qcrypto_pbkdf2(QCryptoHashAlgorithm hash,
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const uint8_t *key, size_t nkey,
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const uint8_t *salt, size_t nsalt,
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unsigned int iterations,
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uint8_t *out, size_t nout,
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Error **errp)
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{
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switch (hash) {
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case QCRYPTO_HASH_ALG_SHA1:
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pbkdf2_hmac_sha1(nkey, key,
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iterations,
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nsalt, salt,
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nout, out);
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break;
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case QCRYPTO_HASH_ALG_SHA256:
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pbkdf2_hmac_sha256(nkey, key,
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iterations,
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nsalt, salt,
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nout, out);
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break;
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default:
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error_setg_errno(errp, ENOSYS,
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"PBKDF does not support hash algorithm %d", hash);
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return -1;
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}
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return 0;
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}
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