int
rmtab_read(void)
{
struct rmtabent *rep;
setrmtabent("r");
while ((rep = getrmtabent(1, NULL)) != NULL) {
int htype;
htype = client_gettype(rep->r_client);
if (htype == MCL_FQDN || htype == MCL_SUBNETWORK)
rmtab_read_wildcard(rep);
}
if (errno == EINVAL) {
/* Something goes wrong. We need to fix the rmtab
file. */
int lockid;
FILE *fp;
if ((lockid = xflock(_PATH_RMTABLCK, "w")) < 0)
return -1;
rewindrmtabent();
if (!(fp = fsetrmtabent(_PATH_RMTABTMP, "w"))) {
endrmtabent ();
xfunlock(lockid);
return -1;
}
while ((rep = getrmtabent(0, NULL)) != NULL) {
fputrmtabent(fp, rep, NULL);
}
if (rename(_PATH_RMTABTMP, _PATH_RMTAB) < 0) {
xlog(L_ERROR, "couldn't rename %s to %s",
_PATH_RMTABTMP, _PATH_RMTAB);
}
endrmtabent();
fendrmtabent(fp);
xfunlock(lockid);
}
else {
endrmtabent();
}
return 0;
}
void
mountlist_del_all(const struct sockaddr *sap)
{
char *hostname;
struct rmtabent *rep;
FILE *fp;
int lockid;
if ((lockid = xflock(_PATH_RMTABLCK, "w")) < 0)
return;
hostname = host_canonname(sap);
if (hostname == NULL) {
char buf[INET6_ADDRSTRLEN];
xlog(L_ERROR, "can't get hostname of %s",
host_ntop(sap, buf, sizeof(buf)));
goto out_unlock;
}
if (!setrmtabent("r"))
goto out_free;
if (!(fp = fsetrmtabent(_PATH_RMTABTMP, "w")))
goto out_close;
while ((rep = getrmtabent(1, NULL)) != NULL) {
if (strcmp(rep->r_client, hostname) == 0 &&
auth_authenticate("umountall", sap, rep->r_path) != NULL)
continue;
fputrmtabent(fp, rep, NULL);
}
if (slink_safe_rename(_PATH_RMTABTMP, _PATH_RMTAB) < 0) {
xlog(L_ERROR, "couldn't rename %s to %s",
_PATH_RMTABTMP, _PATH_RMTAB);
}
fendrmtabent(fp);
out_close:
endrmtabent(); /* close & unlink */
out_free:
free(hostname);
out_unlock:
xfunlock(lockid);
}
void
mountlist_del(char *hname, const char *path)
{
struct rmtabent *rep;
FILE *fp;
int lockid;
int match;
if ((lockid = xflock(_PATH_RMTABLCK, "w")) < 0)
return;
if (!setrmtabent("r")) {
xfunlock(lockid);
return;
}
if (!(fp = fsetrmtabent(_PATH_RMTABTMP, "w"))) {
endrmtabent();
xfunlock(lockid);
return;
}
while ((rep = getrmtabent(1, NULL)) != NULL) {
match = !strcmp (rep->r_client, hname)
&& !strcmp(rep->r_path, path);
if (match) {
rep->r_count--;
/* PRC: do the HA callout: */
ha_callout("unmount", rep->r_client, rep->r_path, rep->r_count);
}
if (!match || rep->r_count)
fputrmtabent(fp, rep, NULL);
}
if (slink_safe_rename(_PATH_RMTABTMP, _PATH_RMTAB) < 0) {
xlog(L_ERROR, "couldn't rename %s to %s",
_PATH_RMTABTMP, _PATH_RMTAB);
}
endrmtabent(); /* close & unlink */
fendrmtabent(fp);
xfunlock(lockid);
}
void
putrmtabent(struct rmtabent *rep, long *pos)
{
fputrmtabent(rmfp, rep, pos);
}
