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daemon: Remove OpenSSL hash compatibility wrappers.

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* nix/libutil/hash.cc (struct Ctx): Copy from gcrypt-hash.hh.
(start, update, finish): Use gcrypt functions directly instead of
OpenSSL-like wrappers.
* nix/libutil/gcrypt-hash.cc, nix/libutil/gcrypt-hash.hh,
nix/libutil/md5.h, nix/libutil/sha1.h, nix/libutil/sha256.h,
nix/libutil/sha512.h: Remove.
* nix/local.mk (libutil_a_SOURCES, libutil_headers): Adjust
accordingly.
This commit is contained in:
Ludovic Courtès 2020-06-23 12:11:00 +02:00
parent 3fb6b8f304
commit 8dc6c38785
No known key found for this signature in database
GPG key ID: 090B11993D9AEBB5
8 changed files with 27 additions and 279 deletions
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51
nix/libutil/gcrypt-hash.cc
View file

@ -1,51 +0,0 @@
/* GNU Guix --- Functional package management for GNU
Copyright (C) 2012, 2013 Ludovic Courtès <ludo@gnu.org>
This file is part of GNU Guix.
GNU Guix is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or (at
your option) any later version.
GNU Guix is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <gcrypt-hash.hh>
#include <assert.h>
extern "C" {
void
guix_hash_init (struct guix_hash_context *ctx, int algo)
{
gcry_error_t err;
err = gcry_md_open (&ctx->md_handle, algo, 0);
assert (err == GPG_ERR_NO_ERROR);
}
void
guix_hash_update (struct guix_hash_context *ctx, const void *buffer, size_t len)
{
gcry_md_write (ctx->md_handle, buffer, len);
}
void
guix_hash_final (void *resbuf, struct guix_hash_context *ctx,
int algo)
{
memcpy (resbuf, gcry_md_read (ctx->md_handle, algo),
gcry_md_get_algo_dlen (algo));
gcry_md_close (ctx->md_handle);
ctx->md_handle = NULL;
}
}

50
nix/libutil/gcrypt-hash.hh
View file

@ -1,50 +0,0 @@
/* GNU Guix --- Functional package management for GNU
Copyright (C) 2012, 2013 Ludovic Courtès <ludo@gnu.org>
This file is part of GNU Guix.
GNU Guix is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or (at
your option) any later version.
GNU Guix is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. */
/* An OpenSSL-like interface to GNU libgcrypt cryptographic hash
functions. */
#pragma once
#include <gcrypt.h>
#include <unistd.h>
struct guix_hash_context
{
/* This copy constructor is needed in 'HashSink::currentHash()' where we
expect the copy of a 'Ctx' object to yield a truly different context. */
guix_hash_context (guix_hash_context &ref)
{
if (ref.md_handle == NULL)
md_handle = NULL;
else
gcry_md_copy (&md_handle, ref.md_handle);
}
/* Make sure 'md_handle' is always initialized. */
guix_hash_context (): md_handle (NULL) { };
gcry_md_hd_t md_handle;
};
extern "C" {
extern void guix_hash_init (struct guix_hash_context *ctx, int algo);
extern void guix_hash_update (struct guix_hash_context *ctx, const void *buffer,
size_t len);
extern void guix_hash_final (void *resbuf, struct guix_hash_context *ctx,
int algo);
}

53
nix/libutil/hash.cc
View file

@ -3,18 +3,6 @@
#include <iostream> #include <iostream>
#include <cstring> #include <cstring>
#ifdef HAVE_OPENSSL
#include <openssl/md5.h>
#include <openssl/sha.h>
#else
extern "C" {
#include "md5.h"
#include "sha1.h"
#include "sha256.h"
#include "sha512.h"
}
#endif
#include "hash.hh" #include "hash.hh"
#include "archive.hh" #include "archive.hh"
#include "util.hh" #include "util.hh"
@ -193,41 +181,48 @@ bool isHash(const string & s)
return true; return true;
} }
/* The "hash context". */
struct Ctx struct Ctx
{ {
MD5_CTX md5; /* This copy constructor is needed in 'HashSink::currentHash()' where we
SHA_CTX sha1; expect the copy of a 'Ctx' object to yield a truly different context. */
SHA256_CTX sha256; Ctx(Ctx &ref)
SHA512_CTX sha512; {
if (ref.md_handle == NULL)
md_handle = NULL;
else
gcry_md_copy (&md_handle, ref.md_handle);
}
/* Make sure 'md_handle' is always initialized. */
Ctx(): md_handle (NULL) { };
gcry_md_hd_t md_handle;
}; };
static void start(HashType ht, Ctx & ctx) static void start(HashType ht, Ctx & ctx)
{ {
if (ht == htMD5) MD5_Init(&ctx.md5); gcry_error_t err;
else if (ht == htSHA1) SHA1_Init(&ctx.sha1);
else if (ht == htSHA256) SHA256_Init(&ctx.sha256); err = gcry_md_open (&ctx.md_handle, ht, 0);
else if (ht == htSHA512) SHA512_Init(&ctx.sha512); assert (err == GPG_ERR_NO_ERROR);
} }
static void update(HashType ht, Ctx & ctx, static void update(HashType ht, Ctx & ctx,
const unsigned char * bytes, unsigned int len) const unsigned char * bytes, unsigned int len)
{ {
if (ht == htMD5) MD5_Update(&ctx.md5, bytes, len); gcry_md_write (ctx.md_handle, bytes, len);
else if (ht == htSHA1) SHA1_Update(&ctx.sha1, bytes, len);
else if (ht == htSHA256) SHA256_Update(&ctx.sha256, bytes, len);
else if (ht == htSHA512) SHA512_Update(&ctx.sha512, bytes, len);
} }
static void finish(HashType ht, Ctx & ctx, unsigned char * hash) static void finish(HashType ht, Ctx & ctx, unsigned char * hash)
{ {
if (ht == htMD5) MD5_Final(hash, &ctx.md5); memcpy (hash, gcry_md_read (ctx.md_handle, ht),
else if (ht == htSHA1) SHA1_Final(hash, &ctx.sha1); gcry_md_get_algo_dlen (ht));
else if (ht == htSHA256) SHA256_Final(hash, &ctx.sha256); gcry_md_close (ctx.md_handle);
else if (ht == htSHA512) SHA512_Final(hash, &ctx.sha512); ctx.md_handle = NULL;
} }

35
nix/libutil/md5.h
View file

@ -1,35 +0,0 @@
/* GNU Guix --- Functional package management for GNU
Copyright (C) 2012 Ludovic Courtès <ludo@gnu.org>
This file is part of GNU Guix.
GNU Guix is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or (at
your option) any later version.
GNU Guix is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. */
#include <gcrypt-hash.hh>
#define MD5_CTX guix_hash_context
static inline void
MD5_Init (struct MD5_CTX *ctx)
{
guix_hash_init (ctx, GCRY_MD_MD5);
}
#define MD5_Update guix_hash_update
static inline void
MD5_Final (void *resbuf, struct MD5_CTX *ctx)
{
guix_hash_final (resbuf, ctx, GCRY_MD_MD5);
}

35
nix/libutil/sha1.h
View file

@ -1,35 +0,0 @@
/* GNU Guix --- Functional package management for GNU
Copyright (C) 2012 Ludovic Courtès <ludo@gnu.org>
This file is part of GNU Guix.
GNU Guix is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or (at
your option) any later version.
GNU Guix is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. */
#include <gcrypt-hash.hh>
#define SHA_CTX guix_hash_context
static inline void
SHA1_Init (struct SHA_CTX *ctx)
{
guix_hash_init (ctx, GCRY_MD_SHA1);
}
#define SHA1_Update guix_hash_update
static inline void
SHA1_Final (void *resbuf, struct SHA_CTX *ctx)
{
guix_hash_final (resbuf, ctx, GCRY_MD_SHA1);
}

35
nix/libutil/sha256.h
View file

@ -1,35 +0,0 @@
/* GNU Guix --- Functional package management for GNU
Copyright (C) 2012 Ludovic Courtès <ludo@gnu.org>
This file is part of GNU Guix.
GNU Guix is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or (at
your option) any later version.
GNU Guix is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. */
#include <gcrypt-hash.hh>
#define SHA256_CTX guix_hash_context
static inline void
SHA256_Init (struct SHA256_CTX *ctx)
{
guix_hash_init (ctx, GCRY_MD_SHA256);
}
#define SHA256_Update guix_hash_update
static inline void
SHA256_Final (void *resbuf, struct SHA256_CTX *ctx)
{
guix_hash_final (resbuf, ctx, GCRY_MD_SHA256);
}

35
nix/libutil/sha512.h
View file

@ -1,35 +0,0 @@
/* GNU Guix --- Functional package management for GNU
Copyright (C) 2012, 2015 Ludovic Courtès <ludo@gnu.org>
This file is part of GNU Guix.
GNU Guix is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or (at
your option) any later version.
GNU Guix is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. */
#include <gcrypt-hash.hh>
#define SHA512_CTX guix_hash_context
static inline void
SHA512_Init (struct SHA512_CTX *ctx)
{
guix_hash_init (ctx, GCRY_MD_SHA512);
}
#define SHA512_Update guix_hash_update
static inline void
SHA512_Final (void *resbuf, struct SHA512_CTX *ctx)
{
guix_hash_final (resbuf, ctx, GCRY_MD_SHA512);
}

12
nix/local.mk
View file

@ -1,5 +1,5 @@
# GNU Guix --- Functional package management for GNU # GNU Guix --- Functional package management for GNU
# Copyright © 2012, 2013, 2014, 2015, 2016, 2018, 2019 Ludovic Courtès <ludo@gnu.org> # Copyright © 2012, 2013, 2014, 2015, 2016, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
# Copyright © 2016 Mathieu Lirzin <mthl@gnu.org> # Copyright © 2016 Mathieu Lirzin <mthl@gnu.org>
# Copyright © 2020 Tobias Geerinckx-Rice <me@tobias.gr> # Copyright © 2020 Tobias Geerinckx-Rice <me@tobias.gr>
# #
@ -56,8 +56,7 @@ libutil_a_SOURCES = \
%D%/libutil/affinity.cc \ %D%/libutil/affinity.cc \
%D%/libutil/serialise.cc \ %D%/libutil/serialise.cc \
%D%/libutil/util.cc \ %D%/libutil/util.cc \
%D%/libutil/hash.cc \ %D%/libutil/hash.cc
%D%/libutil/gcrypt-hash.cc
libutil_headers = \ libutil_headers = \
%D%/libutil/affinity.hh \ %D%/libutil/affinity.hh \
@ -65,12 +64,7 @@ libutil_headers = \
%D%/libutil/serialise.hh \ %D%/libutil/serialise.hh \
%D%/libutil/util.hh \ %D%/libutil/util.hh \
%D%/libutil/archive.hh \ %D%/libutil/archive.hh \
%D%/libutil/types.hh \ %D%/libutil/types.hh
%D%/libutil/gcrypt-hash.hh \
%D%/libutil/md5.h \
%D%/libutil/sha1.h \
%D%/libutil/sha256.h \
%D%/libutil/sha512.h
libutil_a_CPPFLAGS = \ libutil_a_CPPFLAGS = \
-I$(top_builddir)/nix \ -I$(top_builddir)/nix \