opnsense-src/usr.sbin/amd/amd/am_ops.c
1997-02-22 16:15:28 +00:00

181 lines
4.6 KiB
C

/*
* Copyright (c) 1989 Jan-Simon Pendry
* Copyright (c) 1989 Imperial College of Science, Technology & Medicine
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Jan-Simon Pendry at Imperial College, London.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)am_ops.c 8.1 (Berkeley) 6/6/93
*
* $Id$
*
*/
#include "am.h"
static am_ops *vops[] = {
#ifdef HAS_UFS
&ufs_ops,
#endif
#ifdef HAS_NFS
&nfs_ops,
#endif
#ifdef HAS_NFSX
&nfsx_ops,
#endif
#ifdef HAS_HOST
&host_ops,
#endif
#ifdef HAS_SFS
&sfs_ops,
#endif
#ifdef HAS_SFSX
&sfsx_ops,
#endif
#ifdef HAS_LOFS
&lofs_ops,
#endif
#ifdef HAS_PFS
&pfs_ops,
#endif
#ifdef HAS_UNION_FS
&union_ops,
#endif
&afs_ops, /* These four should be last ... */
&dfs_ops, /* ... */
&toplvl_ops, /* ... */
&efs_ops, /* ... in the order afs; dfs; toplvl; efs */
0
};
void ops_showfstypes P((FILE *fp));
void ops_showfstypes(fp)
FILE *fp;
{
struct am_ops **ap;
int l = 0;
for (ap = vops; *ap; ap++) {
fputs((*ap)->fs_type, fp);
if (ap[1]) fputs(", ", fp);
l += strlen((*ap)->fs_type) + 2;
if (l > 60) { l = 0; fputs("\n ", fp); }
}
}
#ifdef SUNOS4_COMPAT
#ifdef nomore
/*
* Crack a SunOS4-style host:fs:sub-link line
* Construct an amd-style line and call the
* normal amd matcher.
*/
am_ops *sunos4_match(fo, key, g_key, path, keym, map)
am_opts *fo;
char *key;
char *g_key;
char *path;
char *keym;
char *map;
{
char *host = key;
char *fs = strchr(host, ':');
char *sublink = fs ? strchr(fs+1, ':') : 0;
char keybuf[MAXPATHLEN];
sprintf(keybuf, "type:=nfs;rhost:=%s;rfs:=%s;sublink:=%s;opts:=%s", host,
fs ? fs+1 : "",
sublink ? sublink+1 : "",
g_key);
return ops_match(fo, keybuf, "", path, keym, map);
}
#endif
#endif /* SUNOS4_COMPAT */
am_ops *ops_match(fo, key, g_key, path, keym, map)
am_opts *fo;
char *key;
char *g_key;
char *path;
char *keym;
char *map;
{
am_ops **vp;
am_ops *rop = 0;
/*
* First crack the global opts and the local opts
*/
if (!eval_fs_opts(fo, key, g_key, path, keym, map)) {
rop = &efs_ops;
} else if (fo->opt_type == 0) {
plog(XLOG_USER, "No fs type specified (key = \"%s\", map = \"%s\")", keym, map);
rop = &efs_ops;
} else {
/*
* Next find the correct filesystem type
*/
for (vp = vops; rop = *vp; vp++)
if (strcmp(rop->fs_type, fo->opt_type) == 0)
break;
if (!rop) {
plog(XLOG_USER, "fs type \"%s\" not recognised", fo->opt_type);
rop = &efs_ops;
}
}
/*
* Make sure we have a default mount option.
* Otherwise skip past any leading '-'.
*/
if (fo->opt_opts == 0)
fo->opt_opts = "rw,defaults";
else if (*fo->opt_opts == '-')
fo->opt_opts++;
/*
* Check the filesystem is happy
*/
if (fo->fs_mtab)
free((voidp) fo->fs_mtab);
if (fo->fs_mtab = (*rop->fs_match)(fo))
return rop;
/*
* Return error file system
*/
fo->fs_mtab = (*efs_ops.fs_match)(fo);
return &efs_ops;
}