diff options
Diffstat (limited to 'plpnfsd/mtab_aix.c')
| -rw-r--r-- | plpnfsd/mtab_aix.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/plpnfsd/mtab_aix.c b/plpnfsd/mtab_aix.c new file mode 100644 index 0000000..46ed3c6 --- /dev/null +++ b/plpnfsd/mtab_aix.c @@ -0,0 +1,145 @@ +/* + * Copyright (c) 1990 Jan-Simon Pendry + * Copyright (c) 1990 Imperial College of Science, Technology & Medicine + * Copyright (c) 1990 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. + * + * %W% (Berkeley) %G% + * + * $Id$ + * + */ + + +#ifdef READ_MTAB_AIX3_STYLE + +#include <sys/mntctl.h> +#include <sys/vmount.h> + +static struct mntent *mnt_dup(mp) +struct vmount *mp; +{ + struct mntent *new_mp = ALLOC(mntent); + + char *ty; + char *fsname = strdup(vmt2dataptr(mp, VMT_OBJECT)); + new_mp->mnt_dir = strdup(vmt2dataptr(mp, VMT_STUB)); + new_mp->mnt_opts = strdup(vmt2dataptr(mp, VMT_ARGS)); + switch (mp->vmt_gfstype) { + case MNT_JFS: + ty = MTAB_TYPE_UFS; + new_mp->mnt_fsname = strdup(fsname); + break; + + case MNT_NFS: + ty = MTAB_TYPE_NFS; + new_mp->mnt_fsname = str3cat((char *) 0, + vmt2dataptr(mp, VMT_HOSTNAME), ":", fsname); + break; + + default: + ty = "unknown"; + new_mp->mnt_fsname = strdup(fsname); + break; + } + new_mp->mnt_type = strdup(ty); + new_mp->mnt_passno = mp->vmt_vfsnumber; + new_mp->mnt_freq = 0; + + free(fsname); + + return new_mp; +} + +/* + * Read a mount table into memory + */ +mntlist *read_mtab(fs) +char *fs; +{ + mntlist **mpp, *mhp; + + int i; + char *mntinfo = 0, *cp; + struct vmount *vp; + int ret; + + /* + * First figure out size of mount table + * and allocate space for a copy... + * Then get mount table for real. + */ + ret = mntctl(MCTL_QUERY, sizeof(i), &i); + if (ret == 0) { + mntinfo = xmalloc(i); + ret = mntctl(MCTL_QUERY, i, mntinfo); + } + + if (ret <= 0) { + plog(XLOG_ERROR, "mntctl: %m"); + goto out; + } +#ifdef DEBUG + /*dlog("mntctl returns %d structures", ret);*/ +#endif /* DEBUG */ + + mpp = &mhp; + for (i = 0, cp = mntinfo; i < ret; i++, cp += vp->vmt_length) { + vp = (struct vmount *) cp; + + /* + * Allocate a new slot + */ + *mpp = ALLOC(mntlist); + + /* + * Copy the data returned by mntctl + */ + (*mpp)->mnt = mnt_dup(vp); + + /* + * Move to next pointer + */ + mpp = &(*mpp)->mnext; + } + + *mpp = 0; + +out: + if (mntinfo) + free(mntinfo); + return mhp; +} + +#endif /* READ_MTAB_AIX3_STYLE */ |