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When we detect GELI metadata version that is newer than the highest we

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support, inform the user about that instead of 'MD5 hash mismatch'.

Suggested by:	Garrett Cooper <yanegomi@gmail.com>
MFC after:	3 days
This commit is contained in:
Pawel Jakub Dawidek 2011-10-25 07:56:27 +00:00
parent e880ff0062
commit 3bddbd0f3b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=226722
1 changed files with 35 additions and 5 deletions
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40
sbin/geom/class/eli/geom_eli.c
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@ -594,8 +594,23 @@ eli_metadata_read(struct gctl_req *req, const char *prov,
return (-1);
}
}
if (eli_metadata_decode(sector, md) != 0) {
gctl_error(req, "MD5 hash mismatch for %s.", prov);
error = eli_metadata_decode(sector, md);
switch (error) {
case 0:
break;
case EOPNOTSUPP:
gctl_error(req,
"Provider's %s metadata version %u is too new.\n"
"geli: The highest supported version is %u.",
prov, (unsigned int)md->md_version, G_ELI_VERSION);
return (-1);
case EINVAL:
gctl_error(req, "Inconsistent provider's %s metadata.", prov);
return (-1);
default:
gctl_error(req,
"Unexpected error while decoding provider's %s metadata: %s.",
prov, strerror(error));
return (-1);
}
return (0);
@ -1410,7 +1425,7 @@ eli_resize(struct gctl_req *req)
unsigned char *sector;
ssize_t secsize;
off_t mediasize, oldsize;
int nargs, provfd;
int error, nargs, provfd;
nargs = gctl_get_int(req, "nargs");
if (nargs != 1) {
@ -1461,8 +1476,23 @@ eli_resize(struct gctl_req *req)
}
/* Check if this sector contains geli metadata. */
if (eli_metadata_decode(sector, &md) != 0) {
gctl_error(req, "MD5 hash mismatch: no metadata for oldsize.");
error = eli_metadata_decode(sector, &md);
switch (error) {
case 0:
break;
case EOPNOTSUPP:
gctl_error(req,
"Provider's %s metadata version %u is too new.\n"
"geli: The highest supported version is %u.",
prov, (unsigned int)md.md_version, G_ELI_VERSION);
goto out;
case EINVAL:
gctl_error(req, "Inconsistent provider's %s metadata.", prov);
goto out;
default:
gctl_error(req,
"Unexpected error while decoding provider's %s metadata: %s.",
prov, strerror(error));
goto out;
}