335 lines
8.8 KiB
C
335 lines
8.8 KiB
C
/*
|
|
* Copyright (c) 1997-2004 Erez Zadok
|
|
* Copyright (c) 1989 Jan-Simon Pendry
|
|
* Copyright (c) 1989 Imperial College of Science, Technology & Medicine
|
|
* Copyright (c) 1989 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 acknowledgment:
|
|
* 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.
|
|
*
|
|
* %W% (Berkeley) %G%
|
|
*
|
|
* $Id: wr_atab.c,v 1.3.2.4 2004/01/06 03:15:23 ezk Exp $
|
|
*
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif /* HAVE_CONFIG_H */
|
|
#include <am_defs.h>
|
|
#include <fsi_data.h>
|
|
#include <fsinfo.h>
|
|
|
|
|
|
/*
|
|
* Write a sequence of automount mount map entries
|
|
*/
|
|
static int
|
|
write_amount_info(FILE *af, automount *ap, int sk)
|
|
{
|
|
int errors = 0;
|
|
|
|
if (ap->a_mount) {
|
|
/*
|
|
* A pseudo-directory.
|
|
* This can also be a top-level directory, in which
|
|
* case the type:=auto is not wanted...
|
|
*
|
|
* type:=auto;fs:=${map};pref:=whatever/
|
|
*/
|
|
automount *ap2;
|
|
if (strlen(ap->a_name) > sk) {
|
|
fprintf(af, "%s type:=auto;fs:=${map};pref:=%s/\n",
|
|
ap->a_name + sk, ap->a_name + sk);
|
|
}
|
|
ITER(ap2, automount, ap->a_mount)
|
|
errors += write_amount_info(af, ap2, sk);
|
|
} else if (ap->a_hardwiredfs) {
|
|
|
|
/*
|
|
* A hardwired filesystem "hostname:path"
|
|
* rhost:=hostname;rfs:=path
|
|
*/
|
|
char *key = ap->a_name + sk;
|
|
char *hostname = ap->a_hardwiredfs;
|
|
char *path = strrchr(hostname, (int) ':');
|
|
|
|
if (path == NULL) {
|
|
fprintf(stderr, "%s: %s not an NFS filesystem\n", ap->a_name, ap->a_hardwiredfs);
|
|
errors++;
|
|
} else {
|
|
*path = '\0';
|
|
path++;
|
|
|
|
/*
|
|
* Output the map key
|
|
*/
|
|
fputs(key, af);
|
|
fprintf(af, " rhost:=%s", hostname);
|
|
fprintf(af, ";rfs:=%s", path);
|
|
if (ap->a_opts && !STREQ(ap->a_opts, "")) {
|
|
fprintf(af, ";%s", ap->a_opts);
|
|
}
|
|
fputc('\n', af);
|
|
path--;
|
|
*path = ':';
|
|
}
|
|
} else if (ap->a_mounted) {
|
|
|
|
/*
|
|
* A mounted partition
|
|
* type:=link [ link entries ] type:=nfs [ nfs entries ]
|
|
*/
|
|
dict_data *dd;
|
|
dict_ent *de = ap->a_mounted;
|
|
int done_type_link = 0;
|
|
char *key = ap->a_name + sk;
|
|
|
|
/*
|
|
* Output the map key
|
|
*/
|
|
fputs(key, af);
|
|
|
|
/*
|
|
* First output any Link locations that would not
|
|
* otherwise be correctly mounted. These refer
|
|
* to filesystem which are not mounted in the same
|
|
* place which the automounter would use.
|
|
*/
|
|
ITER(dd, dict_data, &de->de_q) {
|
|
fsi_mount *mp = (fsi_mount *) dd->dd_data;
|
|
/*
|
|
* If the mount point and the exported volname are the
|
|
* same then this filesystem will be recognized by
|
|
* the restart code - so we don't need to put out a
|
|
* special rule for it.
|
|
*/
|
|
if (mp->m_dk->d_host->h_lochost) {
|
|
char amountpt[1024];
|
|
compute_automount_point(amountpt, mp->m_dk->d_host, mp->m_exported->m_volname);
|
|
if (!STREQ(mp->m_dk->d_mountpt, amountpt)) {
|
|
/*
|
|
* ap->a_volname is the name of the aliased volume
|
|
* mp->m_name is the mount point of the filesystem
|
|
* mp->m_volname is the volume name of the filesystems
|
|
*/
|
|
|
|
/*
|
|
* Find length of key and volume names
|
|
*/
|
|
int avlen = strlen(ap->a_volname);
|
|
int mnlen = strlen(mp->m_volname);
|
|
|
|
/*
|
|
* Make sure a -type:=link is output once
|
|
*/
|
|
if (!done_type_link) {
|
|
done_type_link = 1;
|
|
fputs(" -type:=link", af);
|
|
}
|
|
|
|
/*
|
|
* Output a selector for the hostname,
|
|
* the device from which to mount and
|
|
* where to mount. This will correspond
|
|
* to the values output for the fstab.
|
|
*/
|
|
if (mp->m_dk->d_host->h_lochost)
|
|
fprintf(af, " host==%s", mp->m_dk->d_host->h_lochost);
|
|
else
|
|
fprintf(af, " hostd==%s", mp->m_dk->d_host->h_hostname);
|
|
fprintf(af, ";fs:=%s", mp->m_name);
|
|
|
|
/*
|
|
* ... and a sublink if needed
|
|
*/
|
|
if (mnlen < avlen) {
|
|
char *sublink = ap->a_volname + mnlen + 1;
|
|
fprintf(af, "/%s", sublink);
|
|
}
|
|
fputs(" ||", af);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Next do the NFS locations
|
|
*/
|
|
if (done_type_link)
|
|
fputs(" -", af);
|
|
|
|
ITER(dd, dict_data, &de->de_q) {
|
|
fsi_mount *mp = (fsi_mount *) dd->dd_data;
|
|
int namelen = mp->m_name_len;
|
|
int exp_namelen = mp->m_exported->m_name_len;
|
|
int volnlen = strlen(ap->a_volname);
|
|
int mvolnlen = strlen(mp->m_volname);
|
|
|
|
fputc(' ', af);
|
|
|
|
/*
|
|
* Output any selectors
|
|
*/
|
|
if (mp->m_sel)
|
|
fprintf(af, "%s;", mp->m_sel);
|
|
|
|
/*
|
|
* Print host and volname of exported filesystem
|
|
*/
|
|
fprintf(af, "rhost:=%s",
|
|
mp->m_dk->d_host->h_lochost ?
|
|
mp->m_dk->d_host->h_lochost :
|
|
mp->m_dk->d_host->h_hostname);
|
|
fprintf(af, ";rfs:=%s", mp->m_exported->m_volname);
|
|
if (ap->a_opts && !STREQ(ap->a_opts, "")) {
|
|
fprintf(af, ";%s", ap->a_opts);
|
|
}
|
|
|
|
/*
|
|
* Now determine whether a sublink is required.
|
|
*/
|
|
if (exp_namelen < namelen || mvolnlen < volnlen) {
|
|
char sublink[1024];
|
|
sublink[0] = '\0';
|
|
if (exp_namelen < namelen) {
|
|
strcat(sublink, mp->m_name + exp_namelen + 1);
|
|
if (mvolnlen < volnlen)
|
|
strcat(sublink, "/");
|
|
}
|
|
if (mvolnlen < volnlen)
|
|
strcat(sublink, ap->a_volname + mvolnlen + 1);
|
|
|
|
fprintf(af, ";sublink:=%s", sublink);
|
|
}
|
|
}
|
|
fputc('\n', af);
|
|
} else if (ap->a_symlink) {
|
|
|
|
/*
|
|
* A specific link.
|
|
*
|
|
* type:=link;fs:=whatever
|
|
*/
|
|
fprintf(af, "%s type:=link;fs:=%s\n", ap->a_name + sk, ap->a_symlink);
|
|
}
|
|
|
|
return errors;
|
|
}
|
|
|
|
|
|
/*
|
|
* Write a single automount configuration file
|
|
*/
|
|
static int
|
|
write_amount( qelem *q, char *def)
|
|
{
|
|
automount *ap;
|
|
int errors = 0;
|
|
int direct = 0;
|
|
|
|
/*
|
|
* Output all indirect maps
|
|
*/
|
|
ITER(ap, automount, q) {
|
|
FILE *af;
|
|
char *p;
|
|
|
|
/*
|
|
* If there is no a_mount node then this is really
|
|
* a direct mount, so just keep a count and continue.
|
|
* Direct mounts are output into a special file during
|
|
* the second pass below.
|
|
*/
|
|
if (!ap->a_mount) {
|
|
direct++;
|
|
continue;
|
|
}
|
|
|
|
p = strrchr(ap->a_name, '/');
|
|
if (!p)
|
|
p = ap->a_name;
|
|
else
|
|
p++;
|
|
|
|
af = pref_open(mount_pref, p, gen_hdr, ap->a_name);
|
|
if (af) {
|
|
show_new(ap->a_name);
|
|
fputs("/defaults ", af);
|
|
if (*def)
|
|
fprintf(af, "%s;", def);
|
|
fputs("type:=nfs\n", af);
|
|
errors += write_amount_info(af, ap, strlen(ap->a_name) + 1);
|
|
errors += pref_close(af);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Output any direct map entries which were found during the
|
|
* previous pass over the data.
|
|
*/
|
|
if (direct) {
|
|
FILE *af = pref_open(mount_pref, "direct.map", info_hdr, "direct mount");
|
|
|
|
if (af) {
|
|
show_new("direct mounts");
|
|
fputs("/defaults ", af);
|
|
if (*def)
|
|
fprintf(af, "%s;", def);
|
|
fputs("type:=nfs\n", af);
|
|
ITER(ap, automount, q)
|
|
if (!ap->a_mount)
|
|
errors += write_amount_info(af, ap, 1);
|
|
errors += pref_close(af);
|
|
}
|
|
}
|
|
return errors;
|
|
}
|
|
|
|
|
|
/*
|
|
* Write all the needed automount configuration files
|
|
*/
|
|
int
|
|
write_atab(qelem *q)
|
|
{
|
|
int errors = 0;
|
|
|
|
if (mount_pref) {
|
|
auto_tree *tp;
|
|
show_area_being_processed("write automount", 5);
|
|
ITER(tp, auto_tree, q)
|
|
errors += write_amount(tp->t_mount, tp->t_defaults);
|
|
}
|
|
|
|
return errors;
|
|
}
|