nbd: Check against invalid option combinations

A file name may only specified if no host or socket path is specified.
The latter two may not appear at the same time either.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Kevin Wolf 2013-03-20 19:23:23 +01:00
parent bebbf7fa9c
commit 681e7ad024

View File

@ -148,6 +148,15 @@ static void nbd_parse_filename(const char *filename, QDict *options,
const char *host_spec;
const char *unixpath;
if (qdict_haskey(options, "host")
|| qdict_haskey(options, "port")
|| qdict_haskey(options, "path"))
{
error_setg(errp, "host/port/path and a file name may not be specified "
"at the same time");
return;
}
if (strstr(filename, "://")) {
int ret = nbd_parse_uri(filename, options);
if (ret < 0) {
@ -204,6 +213,11 @@ static int nbd_config(BDRVNBDState *s, QDict *options)
Error *local_err = NULL;
if (qdict_haskey(options, "path")) {
if (qdict_haskey(options, "host")) {
qerror_report(ERROR_CLASS_GENERIC_ERROR, "path and host may not "
"be used at the same time.");
return -EINVAL;
}
s->is_unix = true;
} else if (qdict_haskey(options, "host")) {
s->is_unix = false;