extern int verbose;
extern int sloppy;
+union nfs_sockaddr {
+ struct sockaddr sa;
+ struct sockaddr_in s4;
+ struct sockaddr_in6 s6;
+};
+
struct nfsmount_info {
const char *spec, /* server:/path */
*node, /* mounted-on dir */
*type; /* "nfs" or "nfs4" */
char *hostname; /* server's hostname */
- struct sockaddr_storage address; /* server's address */
+ union nfs_sockaddr address;
socklen_t salen; /* size of server's address */
struct mount_options *options; /* parsed mount options */
socklen_t salen,
struct mount_options *options)
{
- struct sockaddr_storage dummy;
- struct sockaddr *my_addr = (struct sockaddr *)&dummy;
- socklen_t my_len = sizeof(dummy);
+ union nfs_sockaddr address;
+ struct sockaddr *my_addr = &address.sa;
+ socklen_t my_len = sizeof(address);
if (po_contains(options, "clientaddr") == PO_FOUND)
return 1;
}
/*
- * Resolve the 'mounthost=' hostname and append a new option using
- * the resulting address.
+ * Determine whether to append a 'mountaddr=' option. The option is needed if:
+ *
+ * 1. "mounthost=" was specified, or
+ * 2. The address families for proto= and mountproto= are different.
*/
-static int nfs_fix_mounthost_option(struct mount_options *options)
+static int nfs_fix_mounthost_option(struct mount_options *options,
+ const char *nfs_hostname)
{
- struct sockaddr_storage dummy;
- struct sockaddr *sap = (struct sockaddr *)&dummy;
- socklen_t salen = sizeof(dummy);
+ union nfs_sockaddr address;
+ struct sockaddr *sap = &address.sa;
+ socklen_t salen = sizeof(address);
+ sa_family_t nfs_family, mnt_family;
char *mounthost;
+ if (!nfs_nfs_proto_family(options, &nfs_family))
+ return 0;
+ if (!nfs_mount_proto_family(options, &mnt_family))
+ return 0;
+
mounthost = po_get(options, "mounthost");
- if (!mounthost)
- return 1;
+ if (mounthost == NULL) {
+ if (nfs_family == mnt_family)
+ return 1;
+ mounthost = (char *)nfs_hostname;
+ }
- if (!nfs_name_to_address(mounthost, sap, &salen)) {
+ if (!nfs_lookup(mounthost, mnt_family, sap, &salen)) {
nfs_error(_("%s: unable to determine mount server's address"),
progname);
return 0;
*/
static int nfs_validate_options(struct nfsmount_info *mi)
{
- struct sockaddr *sap = (struct sockaddr *)&mi->address;
+ struct sockaddr *sap = &mi->address.sa;
+ sa_family_t family;
if (!nfs_parse_devname(mi->spec, &mi->hostname, NULL))
return 0;
+ if (!nfs_nfs_proto_family(mi->options, &family))
+ return 0;
mi->salen = sizeof(mi->address);
- if (!nfs_name_to_address(mi->hostname, sap, &mi->salen))
+ if (!nfs_lookup(mi->hostname, family, sap, &mi->salen))
return 0;
if (!nfs_set_version(mi))
static int
nfs_rewrite_pmap_mount_options(struct mount_options *options)
{
- struct sockaddr_storage nfs_address;
- struct sockaddr *nfs_saddr = (struct sockaddr *)&nfs_address;
+ union nfs_sockaddr nfs_address;
+ struct sockaddr *nfs_saddr = &nfs_address.sa;
socklen_t nfs_salen = sizeof(nfs_address);
struct pmap nfs_pmap;
- struct sockaddr_storage mnt_address;
- struct sockaddr *mnt_saddr = (struct sockaddr *)&mnt_address;
+ union nfs_sockaddr mnt_address;
+ struct sockaddr *mnt_saddr = &mnt_address.sa;
socklen_t mnt_salen = sizeof(mnt_address);
struct pmap mnt_pmap;
char *option;
return result;
}
- if (!nfs_fix_mounthost_option(options)) {
+ if (!nfs_fix_mounthost_option(options, mi->hostname)) {
errno = EINVAL;
goto out_fail;
}
*/
static int nfs_try_mount_v4(struct nfsmount_info *mi)
{
- struct sockaddr *sap = (struct sockaddr *)&mi->address;
+ struct sockaddr *sap = &mi->address.sa;
struct mount_options *options = po_dup(mi->options);
int result = 0;