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31a943fa08
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14031 Signed-off-by: Andreas Schneider <asn@samba.org> Reviewed-by: Ralph Boehme <slow@samba.org>
88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
/*
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* Unix SMB/Netbios implementation.
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*
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* Copyright (c) 2019 Andreas Schneider <asn@samba.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "hash_inode.h"
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#include <gnutls/gnutls.h>
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#include <gnutls/crypto.h>
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#include "lib/crypto/gnutls_helpers.h"
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SMB_INO_T hash_inode(const SMB_STRUCT_STAT *sbuf, const char *sname)
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{
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gnutls_hash_hd_t hash_hnd = NULL;
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uint8_t digest[gnutls_hash_get_len(GNUTLS_DIG_SHA1)];
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char *upper_sname = NULL;
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SMB_INO_T result = 0;
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int rc;
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DBG_DEBUG("hash_inode called for %ju/%ju [%s]\n",
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(uintmax_t)sbuf->st_ex_dev,
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(uintmax_t)sbuf->st_ex_ino,
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sname);
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upper_sname = talloc_strdup_upper(talloc_tos(), sname);
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SMB_ASSERT(upper_sname != NULL);
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GNUTLS_FIPS140_SET_LAX_MODE();
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rc = gnutls_hash_init(&hash_hnd, GNUTLS_DIG_SHA1);
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if (rc < 0) {
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goto out;
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}
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rc = gnutls_hash(hash_hnd,
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&(sbuf->st_ex_dev),
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sizeof(sbuf->st_ex_dev));
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if (rc < 0) {
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gnutls_hash_deinit(hash_hnd, NULL);
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goto out;
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}
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rc = gnutls_hash(hash_hnd,
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&(sbuf->st_ex_ino),
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sizeof(sbuf->st_ex_ino));
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if (rc < 0) {
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gnutls_hash_deinit(hash_hnd, NULL);
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goto out;
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}
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rc = gnutls_hash(hash_hnd,
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upper_sname,
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talloc_get_size(upper_sname) - 1);
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if (rc < 0) {
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gnutls_hash_deinit(hash_hnd, NULL);
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goto out;
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}
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gnutls_hash_deinit(hash_hnd, digest);
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memcpy(&result, digest, sizeof(result));
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DBG_DEBUG("fruit_inode \"%s\": ino=%ju\n",
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sname, (uintmax_t)result);
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out:
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GNUTLS_FIPS140_SET_STRICT_MODE();
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TALLOC_FREE(upper_sname);
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DBG_DEBUG("hash_inode '%s': ino=%ju\n",
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sname,
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(uintmax_t)result);
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return result;
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}
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