/* ----------------------------------------------------------------------- *
*
* mount.c - Abstract mount code used by modules for an unexpected
* filesystem type
*
* Copyright 1997-2000 Transmeta Corporation - All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139,
* USA; either version 2 of the License, or (at your option) any later
* version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* ----------------------------------------------------------------------- */
#include <stdlib.h>
#include <string.h>
#include "automount.h"
#define ERR_PREFIX "(mount):"
/* These filesystems are known not to work with the "generic" module */
/* Note: starting with Samba 2.0.6, smbfs is handled generically. */
static char *not_generic[] = { "nfs", "userfs", "afs", "autofs",
"changer", "bind", NULL
};
int do_mount(struct autofs_point *ap, const char *root, const char *name, int name_len,
const char *what, const char *fstype, const char *options)
{
struct mount_mod *mod;
const char *modstr;
size_t root_len = root ? strlen(root) : 0;
char **ngp;
int rv;
/* Initially look for a mount module but don't issue an error on fail */
mod = open_mount(modstr = fstype, NULL);
if (!mod) {
for (ngp = not_generic; *ngp; ngp++) {
if (!strcmp(fstype, *ngp))
break;
}
/*
* If there's not a known mount module use the generic module,
* otherwise redo the fs mount module with error reporting
*/
if (!*ngp)
mod = open_mount(modstr = "generic", ERR_PREFIX);
else
mod = open_mount(modstr = fstype, ERR_PREFIX);
if (!mod) {
error(ap->logopt,
"cannot find mount method for filesystem %s",
fstype);
return -1;
}
}
if (*name == '/')
debug(ap->logopt,
"%s %s type %s options %s using module %s",
what, name, fstype, options, modstr);
else if (root_len > 1 && root[root_len - 1] == '/')
debug(ap->logopt,
"%s %s type %s options %s using module %s",
what, root, fstype, options, modstr);
else
debug(ap->logopt,
"%s %s/%s type %s options %s using module %s",
what, root, name, fstype, options, modstr);
rv = mod->mount_mount(ap, root, name, name_len, what, fstype, options, mod->context);
close_mount(mod);
return rv;
}