diff options
Diffstat (limited to 'plpnfsd/mount_aix.c')
| -rw-r--r-- | plpnfsd/mount_aix.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/plpnfsd/mount_aix.c b/plpnfsd/mount_aix.c new file mode 100644 index 0000000..87d5ca3 --- /dev/null +++ b/plpnfsd/mount_aix.c @@ -0,0 +1,170 @@ +/* + * 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% + * + * $Id$ + * + */ + + +/* + * AIX 3 Mount helper + */ + +#include <sys/param.h> +#include <sys/stat.h> +#include <sys/vmount.h> +#include <sys/errno.h> +#include <fcntl.h> + +#include "misc-aix3.h" +#include "os-aix3.h" + +typedef void * voidp; + +#undef DEBUG + +char hostname[MAXHOSTNAMELEN] = "localhost"; /* Hostname */ + +static int aix3_mkvp(p, gfstype, flags, object, stub, host, info, info_size, args) +char *p; +int gfstype; +int flags; +char *object; +char *stub; +char *host; +char *info; +int info_size; +char *args; +{ + struct vmount *vp = (struct vmount *) p; + bzero((voidp) vp, sizeof(*vp)); + /* + * Fill in standard fields + */ + vp->vmt_revision = VMT_REVISION; + vp->vmt_flags = flags; + vp->vmt_gfstype = gfstype; + +#define VMT_ROUNDUP(len) (4 * ((len + 3) / 4)) +#define VMT_ASSIGN(vp, idx, data, size) \ + vp->vmt_data[idx].vmt_off = p - (char *) vp; \ + vp->vmt_data[idx].vmt_size = size; \ + bcopy(data, p, size); \ + p += VMT_ROUNDUP(size); + + /* + * Fill in all variable length data + */ + p += sizeof(*vp); + + VMT_ASSIGN(vp, VMT_OBJECT, object, strlen(object) + 1); + VMT_ASSIGN(vp, VMT_STUB, stub, strlen(stub) + 1); + VMT_ASSIGN(vp, VMT_HOST, host, strlen(host) + 1); + VMT_ASSIGN(vp, VMT_HOSTNAME, host, strlen(host) + 1); + VMT_ASSIGN(vp, VMT_INFO, info, info_size); + VMT_ASSIGN(vp, VMT_ARGS, args, strlen(args) + 1); + +#undef VMT_ASSIGN +#undef VMT_ROUNDUP + + /* + * Return length + */ + return vp->vmt_length = p - (char *) vp; +} + +/* + * Map from conventional mount arguments + * to AIX 3-style arguments. + */ +aix3_mount(fsname, dir, flags, type, data, args) +char *fsname; +char *dir; +int flags; +int type; +void *data; +char *args; +{ + char buf[4096]; + int size; + + for (size = 0; size < 4096; size++) buf[size] = 0; +#ifdef DEBUG + printf("aix3_mount: fsname %s, dir %s, type %d\n", fsname, dir, type); +#endif + +/* aix3_mkvp(p, gfstype, flags, object, stub, host, info, info_size, args) */ + + switch (type) { + + case MOUNT_TYPE_NFS: { + char *host = strdup(fsname); + char *rfs = strchr(host, ':'); + int free_rfs = 0; + if (rfs) { + *rfs++ = '\0'; + } else { + rfs = host; + free_rfs = 1; + host = strdup(hostname); + } + + size = aix3_mkvp(buf, type, flags, rfs, dir, host, data, sizeof(struct nfs_args), args); + if (free_rfs) + free((voidp) rfs); + free(host); + + } break; + + case MOUNT_TYPE_UFS: + /* Need to open block device and extract log device info from sblk. */ + errno = EINVAL; + return -1; + + default: + errno = EINVAL; + return -1; + } +#ifdef DEBUG + printf("aix3_mkvp: flags %#x, size %d, args %s\n", flags, size, args); + printf("revision %d\n", ((struct vmount *)buf)->vmt_revision); +#endif + + return vmount(buf, size); +} |