usr/src/usr.sbin/amd/fsinfo/wr_fstab.c

/*
 * 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 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.
 *
 *      @(#)wr_fstab.c  5.3 (Berkeley) 5/12/91
 *
 * $Id: wr_fstab.c,v 5.2.1.3 91/05/07 22:19:14 jsp Alpha $
 *
 */

#include "../fsinfo/fsinfo.h"

/* ---------- AIX 1 ------------------------------ */

/*
 * AIX 1 format
 */
static void write_aix1_dkfstab(ef, dp)
FILE *ef;
disk_fs *dp;
{
        char *hp = strdup(dp->d_host->h_hostname);
        char *p = strchr(hp, '.');
        if (p)
                *p = '\0';

        fprintf(ef, "\n%s:\n\tdev = %s\n\tvfs = %s\n\ttype = %s\n\tlog = %s\n\tvol = %s\n\topts = %s\n\tmount = true\n\tcheck = true\n\tfree = false\n",
                dp->d_mountpt,
                dp->d_dev,
                dp->d_fstype,
                dp->d_fstype,
                dp->d_log,
                dp->d_mountpt,
                dp->d_opts);
        free(hp);
}

static void write_aix1_dkrmount(ef, hn, fp)
FILE *ef;
char *hn;
fsmount *fp;
{
        char *h = strdup(fp->f_ref->m_dk->d_host->h_hostname);
        char *hp = strdup(h);
        char *p = strchr(hp, '.');
        if (p)
                *p = '\0';
        domain_strip(h, hn);
        fprintf(ef, "\n%s:\n\tsite = %s\n\tdev = %s:%s\n\tvfs = %s\n\ttype = %s\n\tvol = %s\n\topts = %s\n\tmount = true\n\tcheck = true\n\tfree = false\n",
                fp->f_localname,
                hp,
                h,
                fp->f_volname,
                fp->f_fstype,
                fp->f_fstype,
                fp->f_localname,
                fp->f_opts);

        free(hp);
        free(h);
}

/* ---------- AIX 3 ------------------------------ */

/*
 * AIX 3 format
 */
static void write_aix3_dkfstab(ef, dp)
FILE *ef;
disk_fs *dp;
{
        if (strcmp(dp->d_fstype, "jfs") == 0 && strncmp(dp->d_dev, "/dev/", 5) == 0 && !dp->d_log)
                error("aix 3 needs a log device for journalled filesystem (jfs) mounts");

        fprintf(ef, "\n%s:\n\tdev = %s\n\tvfs = %s\n\ttype = %s\n\tlog = %s\n\tvol = %s\n\topts = %s\n\tmount = true\n\tcheck = true\n\tfree = false\n",
                dp->d_mountpt,
                dp->d_dev,
                dp->d_fstype,
                dp->d_fstype,
                dp->d_log,
                dp->d_mountpt,
                dp->d_opts);
}

static void write_aix3_dkrmount(ef, hn, fp)
FILE *ef;
char *hn;
fsmount *fp;
{
        char *h = strdup(fp->f_ref->m_dk->d_host->h_hostname);
        domain_strip(h, hn);
        fprintf(ef, "\n%s:\n\tdev = %s:%s\n\tvfs = %s\n\ttype = %s\n\tvol = %s\n\topts = %s\n\tmount = true\n\tcheck = true\n\tfree = false\n",
                fp->f_localname,
                h,
                fp->f_volname,
                fp->f_fstype,
                fp->f_fstype,
                fp->f_localname,
                fp->f_opts);

        free(h);
}

/* ---------- Ultrix ----------------------------- */

static void write_ultrix_dkfstab(ef, dp)
FILE *ef;
disk_fs *dp;
{
        fprintf(ef, "%s:%s:%s:%s:%d:%d\n",
                dp->d_dev,
                dp->d_mountpt,
                dp->d_fstype,
                dp->d_opts,
                dp->d_freq,
                dp->d_passno);
}

static void write_ultrix_dkrmount(ef, hn, fp)
FILE *ef;
char *hn;
fsmount *fp;
{
        char *h = strdup(fp->f_ref->m_dk->d_host->h_hostname);
        domain_strip(h, hn);
        fprintf(ef, "%s@%s:%s:%s:%s:0:0\n",
                fp->f_volname,
                h,
                fp->f_localname,
                fp->f_fstype,
                fp->f_opts);
        free(h);
}

/* ---------- Generic ---------------------------- */

/*
 * Generic (BSD, SunOS, HPUX) format
 */
static void write_generic_dkfstab(ef, dp)
FILE *ef;
disk_fs *dp;
{
        fprintf(ef, "%s %s %s %s %d %d\n",
                dp->d_dev,
                dp->d_mountpt,
                dp->d_fstype,
                dp->d_opts,
                dp->d_freq,
                dp->d_passno);
}

static void write_generic_dkrmount(ef, hn, fp)
FILE *ef;
char *hn;
fsmount *fp;
{
        char *h = strdup(fp->f_ref->m_dk->d_host->h_hostname);
        domain_strip(h, hn);
        fprintf(ef, "%s:%s %s %s %s 0 0\n",
                h,
                fp->f_volname,
                fp->f_localname,
                fp->f_fstype,
                fp->f_opts);
        free(h);
}

/* ----------------------------------------------- */

static struct os_fstab_type {
        char *os_name;
        void (*op_fstab)();
        void (*op_mount)();
} os_tabs[] = {
        { "aix1", write_aix1_dkfstab, write_aix1_dkrmount },            /* AIX 1 */
        { "aix3", write_aix3_dkfstab, write_aix3_dkrmount },            /* AIX 3 */
        { "generic", write_generic_dkfstab, write_generic_dkrmount },   /* Generic */
        { "u2_0", write_ultrix_dkfstab, write_ultrix_dkrmount },        /* Ultrix */
        { "u3_0", write_ultrix_dkfstab, write_ultrix_dkrmount },        /* Ultrix */
        { "u4_0", write_ultrix_dkfstab, write_ultrix_dkrmount },        /* Ultrix */
        { 0, 0, 0 }
};

#define GENERIC_OS_NAME "generic"

static struct os_fstab_type *find_fstab_type(hp)
host *hp;
{
        struct os_fstab_type *op = 0;
        char *os_name = 0;

again:;
        if (os_name == 0) {
                if (ISSET(hp->h_mask, HF_OS))
                        os_name = hp->h_os;
                else
                        os_name = GENERIC_OS_NAME;
        }

        for (op = os_tabs; op->os_name; op++)
                if (strcmp(os_name, op->os_name) == 0)
                        return op;

        os_name = GENERIC_OS_NAME;
        goto again;
}

static int write_dkfstab(ef, q, output)
FILE *ef;
qelem *q;
void (*output)();
{
        int errors = 0;
        disk_fs *dp;

        ITER(dp, disk_fs, q)
                if (strcmp(dp->d_fstype, "export") != 0)
                        (*output)(ef, dp);

        return errors;
}

static int write_dkrmount(ef, q, hn, output)
FILE *ef;
qelem *q;
char *hn;
void (*output)();
{
        int errors = 0;
        fsmount *fp;

        ITER(fp, fsmount, q)
                (*output)(ef, hn, fp);

        return errors;
}

int write_fstab(q)
qelem *q;
{
        int errors = 0;

        if (fstab_pref) {
                host *hp;
                show_area_being_processed("write fstab", 4);
                ITER(hp, host, q) {
                        if (hp->h_disk_fs || hp->h_mount) {
                                FILE *ef = pref_open(fstab_pref, hp->h_hostname, gen_hdr, hp->h_hostname);
                                if (ef) {
                                        struct os_fstab_type *op = find_fstab_type(hp);
                                        show_new(hp->h_hostname);
                                        if (hp->h_disk_fs)
                                                errors += write_dkfstab(ef, hp->h_disk_fs, op->op_fstab);
                                        else
                                                log("No local disk mounts on %s", hp->h_hostname);

                                        if (hp->h_mount)
                                                errors += write_dkrmount(ef, hp->h_mount, hp->h_hostname, op->op_mount);

                                        pref_close(ef);
                                }
                        } else {
                                error("no disk mounts on %s", hp->h_hostname);
                        }
                }
        }

        return errors;
}