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root/usr/sbin/diskutil/diskutil.c

DEFINITIONS

1. disk_null
2. disk_help
3. disk_list
4. disk_info
5. disk_mount
6. disk_unmount
7. disk_eject
8. disk_rename
9. disk_verify
10. disk_partition
11. main

   1 /*
   2  * Copyright (c) 2009, Kohsuke Ohtani
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the author nor the names of any co-contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  30 /*
  31  * diskutil.c - disk management utility
  32  *
  33  * Required capabilities:
  34  *      CAP_DISKADMIN
  35  */
  37 #include <sys/prex.h>
  38 #include <sys/ioctl.h>
  39 #include <ipc/ipc.h>
  41 #include <sys/mount.h>
  42 #include <unistd.h>
  43 #include <err.h>
  44 #include <errno.h>
  45 #include <stdlib.h>
  46 #include <stdio.h>
  47 #include <string.h>
  48 #include <signal.h>
  50 static void disk_list(int, char **);
  51 static void disk_info(int, char **);
  52 static void disk_mount(int, char **);
  53 static void disk_unmount(int, char **);
  54 static void disk_eject(int, char **);
  55 static void disk_rename(int, char **);
  56 static void disk_verify(int, char **);
  57 static void disk_partition(int, char **);
  58 static void disk_help(int, char **);
  59 static void disk_null(int, char **);
  61 struct cmdtab {
  62         const char      *cmd;
  63         void            (*func)(int, char **);
  64         const char      *usage;
  65 };
  67 static const struct cmdtab cmdtab[] = {
  68         { "list"        ,disk_list      ," list      - List the partitions of a disk.\n" },
  69         { "info"        ,disk_info      ," info      - Display information on a disk or volume.\n" },
  70         { "mount"       ,disk_mount     ," mount     - Mount a single volume.\n" },
  71         { "unmount"     ,disk_unmount   ," unmount   - Unmount a single volume.\n" },
  72         { "eject"       ,disk_eject     ," eject     - Eject a disk.\n" },
  73         { "rename"      ,disk_rename    ," rename    - Rename a volume.\n" },
  74         { "verify"      ,disk_verify    ," verify    - Verify the structure of a volume.\n" },
  75         { "partition"   ,disk_partition ," partition - Partitiona disk, removing all volume.\n" },
  76         { "-?"          ,disk_help      ," -?        - This help.\n" },
  77         { NULL          ,disk_null      ,NULL },
  78 };
  80 static void
disk_null(int argc, char **argv)
  82 {
  83 }
  85 static void
disk_help(int argc, char **argv)
  87 {
  88         int i = 0;
fputs("usage: diskutil command\n", stderr);
fputs("commands:\n", stderr);
  92         while (cmdtab[i].cmd != NULL) {
  93                 if (cmdtab[i].usage)
fputs(cmdtab[i].usage, stderr);
i++;
  96         }
  97 }
  99 static void
disk_list(int argc, char **argv)
 101 {
 102 }
 104 static void
disk_info(int argc, char **argv)
 106 {
 107 }
 109 static void
disk_mount(int argc, char **argv)
 111 {
 113         if (argc != 6) {
fputs("usage: diskutil mount -t vfstype device dir\n", stderr);
exit(1);
 116         }
 117         if (mount(argv[4], argv[5], argv[3], 0, NULL) < 0) {
perror("mount");
exit(1);
 120         }
 121 }
 123 static void
disk_unmount(int argc, char **argv)
 125 {
 126 }
 128 static void
disk_eject(int argc, char **argv)
 130 {
 131 }
 133 static void
disk_rename(int argc, char **argv)
 135 {
 136 }
 138 static void
disk_verify(int argc, char **argv)
 140 {
 141 }
 143 static void
disk_partition(int argc, char **argv)
 145 {
 146 }
 148 int
main(int argc, char *argv[])
 150 {
 151         int i = 0;
 152         int found = 0;
 154         if (argc < 2) {
disk_help(1, NULL);
exit(1);
 157         }
 159         while (cmdtab[i].cmd != NULL) {
 160                 if (!strncmp(argv[1], cmdtab[i].cmd, LINE_MAX)) {
 161                         (cmdtab[i].func)(argc, argv);
found = 1;
 163                         break;
 164                 }
i++;
 166         }
 167         if (!found)
disk_help(1, NULL);
exit(1);
 170 }