scoutos / prex-0.9.0 / usr / sbin / diskutil / diskutil.c @ 03e9c04a
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1 | 03e9c04a | Brad Neuman | /*
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2 | * Copyright (c) 2009, Kohsuke Ohtani
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3 | * All rights reserved.
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4 | *
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5 | * Redistribution and use in source and binary forms, with or without
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6 | * modification, are permitted provided that the following conditions
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7 | * are met:
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8 | * 1. Redistributions of source code must retain the above copyright
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9 | * notice, this list of conditions and the following disclaimer.
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10 | * 2. Redistributions in binary form must reproduce the above copyright
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11 | * notice, this list of conditions and the following disclaimer in the
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12 | * documentation and/or other materials provided with the distribution.
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13 | * 3. Neither the name of the author nor the names of any co-contributors
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14 | * may be used to endorse or promote products derived from this software
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15 | * without specific prior written permission.
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16 | *
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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27 | * SUCH DAMAGE.
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28 | */
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29 | |||
30 | /*
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31 | * diskutil.c - disk management utility
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32 | *
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33 | * Required capabilities:
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34 | * CAP_DISKADMIN
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35 | */
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36 | |||
37 | #include <sys/prex.h> |
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38 | #include <sys/ioctl.h> |
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39 | #include <ipc/ipc.h> |
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40 | |||
41 | #include <sys/mount.h> |
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42 | #include <unistd.h> |
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43 | #include <err.h> |
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44 | #include <errno.h> |
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45 | #include <stdlib.h> |
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46 | #include <stdio.h> |
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47 | #include <string.h> |
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48 | #include <signal.h> |
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49 | |||
50 | static void disk_list(int, char **); |
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51 | static void disk_info(int, char **); |
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52 | static void disk_mount(int, char **); |
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53 | static void disk_unmount(int, char **); |
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54 | static void disk_eject(int, char **); |
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55 | static void disk_rename(int, char **); |
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56 | static void disk_verify(int, char **); |
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57 | static void disk_partition(int, char **); |
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58 | static void disk_help(int, char **); |
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59 | static void disk_null(int, char **); |
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60 | |||
61 | struct cmdtab {
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62 | const char *cmd; |
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63 | void (*func)(int, char **); |
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64 | const char *usage; |
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65 | }; |
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66 | |||
67 | static const struct cmdtab cmdtab[] = { |
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68 | { "list" ,disk_list ," list - List the partitions of a disk.\n" }, |
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69 | { "info" ,disk_info ," info - Display information on a disk or volume.\n" }, |
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70 | { "mount" ,disk_mount ," mount - Mount a single volume.\n" }, |
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71 | { "unmount" ,disk_unmount ," unmount - Unmount a single volume.\n" }, |
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72 | { "eject" ,disk_eject ," eject - Eject a disk.\n" }, |
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73 | { "rename" ,disk_rename ," rename - Rename a volume.\n" }, |
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74 | { "verify" ,disk_verify ," verify - Verify the structure of a volume.\n" }, |
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75 | { "partition" ,disk_partition ," partition - Partitiona disk, removing all volume.\n" }, |
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76 | { "-?" ,disk_help ," -? - This help.\n" }, |
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77 | { NULL ,disk_null ,NULL }, |
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78 | }; |
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79 | |||
80 | static void |
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81 | disk_null(int argc, char **argv) |
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82 | { |
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83 | } |
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84 | |||
85 | static void |
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86 | disk_help(int argc, char **argv) |
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87 | { |
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88 | int i = 0; |
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89 | |||
90 | fputs("usage: diskutil command\n", stderr);
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91 | fputs("commands:\n", stderr);
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92 | while (cmdtab[i].cmd != NULL) { |
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93 | if (cmdtab[i].usage)
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94 | fputs(cmdtab[i].usage, stderr); |
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95 | i++; |
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96 | } |
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97 | } |
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98 | |||
99 | static void |
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100 | disk_list(int argc, char **argv) |
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101 | { |
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102 | } |
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103 | |||
104 | static void |
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105 | disk_info(int argc, char **argv) |
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106 | { |
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107 | } |
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108 | |||
109 | static void |
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110 | disk_mount(int argc, char **argv) |
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111 | { |
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112 | |||
113 | if (argc != 6) { |
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114 | fputs("usage: diskutil mount -t vfstype device dir\n", stderr);
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115 | exit(1);
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116 | } |
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117 | if (mount(argv[4], argv[5], argv[3], 0, NULL) < 0) { |
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118 | perror("mount");
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119 | exit(1);
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120 | } |
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121 | } |
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122 | |||
123 | static void |
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124 | disk_unmount(int argc, char **argv) |
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125 | { |
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126 | } |
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127 | |||
128 | static void |
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129 | disk_eject(int argc, char **argv) |
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130 | { |
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131 | } |
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132 | |||
133 | static void |
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134 | disk_rename(int argc, char **argv) |
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135 | { |
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136 | } |
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137 | |||
138 | static void |
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139 | disk_verify(int argc, char **argv) |
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140 | { |
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141 | } |
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142 | |||
143 | static void |
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144 | disk_partition(int argc, char **argv) |
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145 | { |
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146 | } |
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147 | |||
148 | int
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149 | main(int argc, char *argv[]) |
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150 | { |
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151 | int i = 0; |
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152 | int found = 0; |
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153 | |||
154 | if (argc < 2) { |
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155 | disk_help(1, NULL); |
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156 | exit(1);
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157 | } |
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158 | |||
159 | while (cmdtab[i].cmd != NULL) { |
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160 | if (!strncmp(argv[1], cmdtab[i].cmd, LINE_MAX)) { |
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161 | (cmdtab[i].func)(argc, argv); |
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162 | found = 1;
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163 | break;
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164 | } |
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165 | i++; |
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166 | } |
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167 | if (!found)
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168 | disk_help(1, NULL); |
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169 | exit(1);
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170 | } |