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