2 NNCP -- Node to Node copy, utilities for store-and-forward data exchange
3 Copyright (C) 2016-2021 Sergey Matveev <stargrave@stargrave.org>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, version 3 of the License.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
28 "golang.org/x/crypto/blake2b"
31 func Check(src io.Reader, checksum []byte, les LEs, showPrgrs bool) (bool, error) {
32 hsh, err := blake2b.New256(nil)
36 if _, err = CopyProgressed(hsh, bufio.NewReader(src), "check", les, showPrgrs); err != nil {
39 return bytes.Compare(hsh.Sum(nil), checksum) == 0, nil
42 func (ctx *Ctx) checkXxIsBad(nodeId *NodeId, xx TRxTx) bool {
44 for job := range ctx.Jobs(nodeId, xx) {
48 {"Pkt", Base32Codec.EncodeToString(job.HshValue[:])},
49 {"FullSize", job.Size},
51 fd, err := os.Open(job.Path)
53 ctx.LogE("check", les, err, "")
56 gut, err := Check(fd, job.HshValue[:], les, ctx.ShowPrgrs)
57 fd.Close() // #nosec G104
59 ctx.LogE("check", les, err, "")
64 ctx.LogE("check", les, errors.New("bad"), "")
70 func (ctx *Ctx) Check(nodeId *NodeId) bool {
71 return !(ctx.checkXxIsBad(nodeId, TRx) || ctx.checkXxIsBad(nodeId, TTx))