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avoid warning if file does not exist

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This commit is contained in:
Christian Grothoff 2021-01-15 15:32:10 +01:00
parent aab39b3dc9
commit 8c113d2459
No known key found for this signature in database
GPG Key ID: 939E6BE1E29FC3CC
1 changed files with 27 additions and 23 deletions
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50
src/exchange-tools/taler-exchange-offline.c
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@ -2334,34 +2334,38 @@ tofu_check (const struct TALER_SecurityModulePublicKeyP secm[2])
"SECM_TOFU_FILE"); "SECM_TOFU_FILE");
return GNUNET_SYSERR; return GNUNET_SYSERR;
} }
ret = GNUNET_DISK_fn_read (fn, if (GNUNET_OK ==
&old, GNUNET_DISK_file_test (fn))
sizeof (old));
if (GNUNET_SYSERR != ret)
{ {
if (ret != sizeof (old)) ret = GNUNET_DISK_fn_read (fn,
&old,
sizeof (old));
if (GNUNET_SYSERR != ret)
{ {
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, if (ret != sizeof (old))
"File `%s' corrupt\n", {
fn); GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"File `%s' corrupt\n",
fn);
GNUNET_free (fn);
return GNUNET_SYSERR;
}
/* TOFU check */
if (0 != memcmp (old,
secm,
sizeof (old)))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Fatal: security module keys changed (file `%s')!\n",
fn);
GNUNET_free (fn);
return GNUNET_SYSERR;
}
GNUNET_free (fn); GNUNET_free (fn);
return GNUNET_SYSERR; return GNUNET_OK;
} }
/* TOFU check */
if (0 != memcmp (old,
secm,
sizeof (old)))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Fatal: security module keys changed (file `%s')!\n",
fn);
GNUNET_free (fn);
return GNUNET_SYSERR;
}
GNUNET_free (fn);
return GNUNET_OK;
} }
else
{ {
char *key; char *key;