static int
xtab_read(char *xtab, int is_export)
{
+ /* is_export == 0 => reading /proc/fs/nfs/exports - we know these things are exported to kernel
+ * is_export == 1 => reading /var/lib/nfs/etab - these things are allowed to be exported
+ * is_export == 2 => reading /var/lib/nfs/xtab - these things might be known to kernel
+ */
struct exportent *xp;
nfs_export *exp;
int lockid;
if ((lockid = xflock(xtab, "r")) < 0)
return 0;
setexportent(xtab, "r");
- while ((xp = getexportent()) != NULL) {
- if (!(exp = export_lookup(xp->e_hostname, xp->e_path)) &&
- !(exp = export_create(xp))) {
+ while ((xp = getexportent(is_export==0, 0)) != NULL) {
+ if (!(exp = export_lookup(xp->e_hostname, xp->e_path, is_export != 1)) &&
+ !(exp = export_create(xp, is_export!=1))) {
continue;
}
- if (is_export) {
+ switch (is_export) {
+ case 0:
+ exp->m_exported = 1;
+ break;
+ case 1:
exp->m_xtabent = 1;
exp->m_mayexport = 1;
- } else
- exp->m_exported = 1;
+ break;
+ case 2:
+ exp->m_exported = -1;/* may be exported */
+ break;
+ }
}
endexportent();
xfunlock(lockid);
close(fd);
return xtab_read(_PATH_PROC_EXPORTS, 0);
} else
- return xtab_read(_PATH_XTAB, 1);
+ return xtab_read(_PATH_XTAB, 2);
}
int