/*
* See if the entry already exists. If not,
* this was an instantiated wild card, and we
* must add it.
*/
static void
rmtab_read_wildcard(struct rmtabent *rep)
{
nfs_export *exp, *exp2;
struct addrinfo *ai;
ai = host_addrinfo(rep->r_client);
if (ai == NULL)
return;
exp = export_allowed(ai, rep->r_path);
freeaddrinfo(ai);
if (exp == NULL)
return;
exp2 = export_lookup(rep->r_client, exp->m_export.e_path, 0);
if (exp2 == NULL) {
struct exportent ee;
memset(&ee, 0, sizeof(ee));
dupexportent(&ee, &exp->m_export);
ee.e_hostname = rep->r_client;
exp2 = export_create(&ee, 0);
exp2->m_changed = exp->m_changed;
}
exp2->m_mayexport = 1;
}
/**
* export_read - read entries from /etc/exports
* @fname: name of file to read from
*
*/
void
export_read(char *fname)
{
struct exportent *eep;
nfs_export *exp;
setexportent(fname, "r");
while ((eep = getexportent(0,1)) != NULL) {
exp = export_lookup(eep->e_hostname, eep->e_path, 0);
if (!exp)
export_create(eep, 0);
else
warn_duplicated_exports(exp, eep);
}
endexportent();
}
static int
xtab_read(char *xtab, char *lockfn, 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(lockfn, "r")) < 0)
return 0;
setexportent(xtab, "r");
if (is_export == 1)
v4root_needed = 1;
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;
}
switch (is_export) {
case 0:
exp->m_exported = 1;
break;
case 1:
exp->m_xtabent = 1;
exp->m_mayexport = 1;
if ((xp->e_flags & NFSEXP_FSID) && xp->e_fsid == 0)
v4root_needed = 0;
break;
case 2:
exp->m_exported = -1;/* may be exported */
break;
}
}
endexportent();
xfunlock(lockid);
return 0;
}
static void
exportfs_parsed(char *hname, char *path, char *options, int verbose)
{
struct exportent *eep;
nfs_export *exp = NULL;
struct addrinfo *ai = NULL;
int htype;
if ((htype = client_gettype(hname)) == MCL_FQDN) {
ai = host_addrinfo(hname);
if (ai != NULL) {
exp = export_find(ai, path);
hname = ai->ai_canonname;
}
} else
exp = export_lookup(hname, path, 0);
if (!exp) {
if (!(eep = mkexportent(hname, path, options)) ||
!(exp = export_create(eep, 0)))
goto out;
} else if (!updateexportent(&exp->m_export, options))
goto out;
if (verbose)
printf("exporting %s:%s\n", exp->m_client->m_hostname,
exp->m_export.e_path);
exp->m_xtabent = 1;
exp->m_mayexport = 1;
exp->m_changed = 1;
exp->m_warned = 0;
validate_export(exp);
out:
freeaddrinfo(ai);
}
