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ZFS passphrase support

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-11-06 16:30:52 +01:00
parent f003a8c5e7
commit ed746949af
4 changed files with 91 additions and 35 deletions
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20
util/grub-fstest.c
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@ -439,7 +439,7 @@ static struct argp_option options[] = {
{"diskcount", 'c', "N", 0, N_("N input files."), 2},
{"debug", 'd', "S", 0, N_("Set debug environment variable."), 2},
{"crypto", 'C', NULL, OPTION_ARG_OPTIONAL, N_("Mount crypto devices."), 2},
{"zfs-key-file", 'K', N_("KEY_FILENAME"), 0, N_("Load zfs crypto key."), 2},
{"zfs-key", 'K', N_("FILE|prompt"), 0, N_("Load zfs crypto key."), 2},
{"verbose", 'v', NULL, OPTION_ARG_OPTIONAL, N_("Print verbose messages."), 2},
{"uncompress", 'u', NULL, OPTION_ARG_OPTIONAL, N_("Uncompress data."), 2},
{0, 0, 0, 0, 0, 0}
@ -465,26 +465,34 @@ argp_parser (int key, char *arg, struct argp_state *state)
return 0;
case 'K':
if (strcmp (arg, "prompt") == 0)
{
char buf[1024];
grub_printf ("Enter ZFS password: ");
if (grub_password_get (buf, 1023))
{
grub_zfs_add_key ((grub_uint8_t *) buf, grub_strlen (buf), 1);
}
}
else
{
FILE *f;
ssize_t real_size;
grub_uint8_t buf[GRUB_ZFS_MAX_KEYLEN];
grub_uint8_t buf[1024];
f = fopen (arg, "rb");
if (!f)
{
printf ("Error loading file %s: %s\n", arg, strerror (errno));
return 0;
}
real_size = fread (buf, 1, GRUB_ZFS_MAX_KEYLEN, f);
real_size = fread (buf, 1, 1024, f);
if (real_size < 0)
{
printf ("Error loading file %s: %s\n", arg, strerror (errno));
fclose (f);
return 0;
}
if (real_size < GRUB_ZFS_MAX_KEYLEN)
grub_memset (buf + real_size, 0, GRUB_ZFS_MAX_KEYLEN - real_size);
grub_zfs_add_key (buf);
grub_zfs_add_key (buf, real_size, 0);
}
return 0;