| /* ----------------------------------------------------------------------- * |
| * |
| * mount_generic.c - module for Linux automountd to mount filesystems |
| * for which no special magic is required |
| * |
| * Copyright 1997-1999 Transmeta Corporation - All Rights Reserved |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, |
| * USA; either version 2 of the License, or (at your option) any later |
| * version; incorporated herein by reference. |
| * |
| * ----------------------------------------------------------------------- */ |
| |
| #include <stdio.h> |
| #include <malloc.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <sys/param.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| |
| #define MODULE_MOUNT |
| #include "automount.h" |
| |
| #define MODPREFIX "mount(generic): " |
| |
| int mount_version = AUTOFS_MOUNT_VERSION; /* Required by protocol */ |
| |
| int mount_init(void **context) |
| { |
| return 0; |
| } |
| |
| int mount_reinit(void **context) |
| { |
| return 0; |
| } |
| |
| int mount_mount(struct autofs_point *ap, const char *root, const char *name, int name_len, |
| const char *what, const char *fstype, const char *options, |
| void *context) |
| { |
| char fullpath[PATH_MAX]; |
| char buf[MAX_ERR_BUF]; |
| int err; |
| int len, status, existed = 1; |
| |
| if (ap->flags & MOUNT_FLAG_REMOUNT) |
| return 0; |
| |
| /* Root offset of multi-mount */ |
| len = strlen(root); |
| if (root[len - 1] == '/') { |
| len = snprintf(fullpath, len, "%s", root); |
| } else if (*name == '/') { |
| /* |
| * Direct or offset mount, name is absolute path so |
| * don't use root (but with move mount changes root |
| * is now the same as name). |
| */ |
| len = sprintf(fullpath, "%s", root); |
| } else { |
| len = sprintf(fullpath, "%s/%s", root, name); |
| } |
| fullpath[len] = '\0'; |
| |
| debug(ap->logopt, MODPREFIX "calling mkdir_path %s", fullpath); |
| |
| status = mkdir_path(fullpath, 0555); |
| if (status && errno != EEXIST) { |
| char *estr = strerror_r(errno, buf, MAX_ERR_BUF); |
| error(ap->logopt, |
| MODPREFIX "mkdir_path %s failed: %s", fullpath, estr); |
| return 1; |
| } |
| |
| if (!status) |
| existed = 0; |
| |
| if (options && options[0]) { |
| debug(ap->logopt, |
| MODPREFIX "calling mount -t %s -o %s %s %s", |
| fstype, options, what, fullpath); |
| |
| err = spawn_mount(ap->logopt, "-t", fstype, |
| "-o", options, what, fullpath, NULL); |
| } else { |
| debug(ap->logopt, MODPREFIX "calling mount -t %s %s %s", |
| fstype, what, fullpath); |
| err = spawn_mount(ap->logopt, "-t", fstype, what, fullpath, NULL); |
| } |
| |
| if (err) { |
| info(ap->logopt, MODPREFIX "failed to mount %s (type %s) on %s", |
| what, fstype, fullpath); |
| |
| if (ap->type != LKP_INDIRECT) |
| return 1; |
| |
| if ((!(ap->flags & MOUNT_FLAG_GHOST) && name_len) || !existed) |
| rmdir_path(ap, fullpath, ap->dev); |
| |
| return 1; |
| } else { |
| debug(ap->logopt, MODPREFIX "mounted %s type %s on %s", |
| what, fstype, fullpath); |
| return 0; |
| } |
| } |
| |
| int mount_done(void *context) |
| { |
| return 0; |
| } |