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Move tools_write_mk in cryptsetup.

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Also drops dependency on lib/utils_io.c in some tools.
This commit is contained in:
Ondrej Kozina
2020-07-30 10:18:15 +02:00
committed by Milan Broz
parent 42692418c2
commit d6cc88cabb
3 changed files with 19 additions and 21 deletions
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19
src/cryptsetup.c
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@@ -154,6 +154,25 @@ static int _set_keyslot_encryption_params(struct crypt_device *cd)
return crypt_keyslot_set_encryption(cd, ARG_STR(OPT_KEYSLOT_CIPHER_ID), ARG_UINT32(OPT_KEYSLOT_KEY_SIZE_ID) / 8);
}
static int tools_write_mk(const char *file, const char *key, int keysize)
{
int fd, r = -EINVAL;
fd = open(file, O_CREAT|O_EXCL|O_WRONLY, S_IRUSR);
if (fd < 0) {
log_err(_("Cannot open keyfile %s for write."), file);
return r;
}
if (write_buffer(fd, key, keysize) == keysize)
r = 0;
else
log_err(_("Cannot write to keyfile %s."), file);
close(fd);
return r;
}
static int action_open_plain(void)
{
struct crypt_device *cd = NULL, *cd1 = NULL;