dup-check: Print hashes of corrupt blocks - dedup - deduplicating backup program
HTML git clone git://bitreich.org/dedup/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/dedup/
DIR Log
DIR Files
DIR Refs
DIR Tags
DIR README
DIR LICENSE
---
DIR commit fb016d2858d1d77359c56f4d67070fc8386879b6
DIR parent bfcf7e2d112888bb42b40e2d25211edc7375f8c5
HTML Author: sin <sin@2f30.org>
Date: Sun, 5 May 2019 20:56:51 +0100
dup-check: Print hashes of corrupt blocks
Diffstat:
M dup-check.1 | 3 +++
M dup-check.c | 14 +++++++++++++-
2 files changed, 16 insertions(+), 1 deletion(-)
---
DIR diff --git a/dup-check.1 b/dup-check.1
@@ -19,6 +19,9 @@ This is done by recalculating the hash of
all blocks contained in the snapshot and checking
whether the recorded hash of each block matches the
actual hash.
+.sp
+If a corrupt block is detected, the hash of the
+block will be printed on standard output.
.Sh OPTIONS
.Bl -tag -width "-k keyfile"
.It Fl k Ar keyfile
DIR diff --git a/dup-check.c b/dup-check.c
@@ -8,6 +8,8 @@
#include <stdlib.h>
#include <unistd.h>
+#include <sodium.h>
+
#include "arg.h"
#include "block.h"
#include "config.h"
@@ -24,9 +26,19 @@ check(struct sctx *sctx, struct bctx *bctx)
unsigned char md[MDSIZE];
int n;
+ if (sodium_init() < 0)
+ errx(1, "sodium_init: failed");
+
while ((n = sget(sctx, md)) == MDSIZE) {
- if (bcheck(bctx, md) < 0)
+ char mdstr[MDSIZE * 2 + 1];
+ int r;
+
+ if ((r = bcheck(bctx, md)) < 0) {
berr("bcheck");
+ } else if (r > 0) {
+ sodium_bin2hex(mdstr, sizeof(mdstr), md, MDSIZE);
+ puts(mdstr);
+ }
}
if (n < 0)
serr("sget");