| 1 | /*
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| 2 | * Copyright (c) 2009 Jakub Jermar
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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 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | #include <stdio.h>
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| 30 | #include <stdlib.h>
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| 31 | #include <vfs/vfs.h>
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| 32 | #include <errno.h>
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| 33 | #include <getopt.h>
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| 34 | #include "config.h"
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| 35 | #include "util.h"
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| 36 | #include "errors.h"
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| 37 | #include "entry.h"
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| 38 | #include "mount.h"
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| 39 | #include "cmds.h"
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| 40 |
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| 41 | static const char *cmdname = "mount";
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| 42 |
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| 43 | static struct option const long_options[] = {
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| 44 | { "help", no_argument, 0, 'h' },
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| 45 | { "instance", required_argument, 0, 'i' },
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| 46 | { 0, 0, 0, 0 }
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| 47 | };
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| 48 |
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| 49 |
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| 50 | /* Displays help for mount in various levels */
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| 51 | void help_cmd_mount(unsigned int level)
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| 52 | {
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| 53 | static char helpfmt[] =
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| 54 | "Usage: %s <fstype> <mp> [dev] [<moptions>]\n";
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| 55 | if (level == HELP_SHORT) {
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| 56 | printf("'%s' mounts a file system.\n", cmdname);
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| 57 | } else {
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| 58 | help_cmd_mount(HELP_SHORT);
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| 59 | printf(helpfmt, cmdname);
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| 60 | }
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| 61 | return;
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| 62 | }
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| 63 |
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| 64 | /* Main entry point for mount, accepts an array of arguments */
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| 65 | int cmd_mount(char **argv)
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| 66 | {
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| 67 | unsigned int argc;
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| 68 | const char *mopts = "";
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| 69 | const char *dev = "";
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| 70 | int rc, c, opt_ind;
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| 71 | unsigned int instance = 0;
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| 72 | bool instance_set = false;
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| 73 | char **t_argv;
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| 74 |
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| 75 | argc = cli_count_args(argv);
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| 76 |
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| 77 | for (c = 0, optind = 0, opt_ind = 0; c != -1;) {
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| 78 | c = getopt_long(argc, argv, "i:h", long_options, &opt_ind);
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| 79 | switch (c) {
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| 80 | case 'h':
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| 81 | help_cmd_mount(HELP_LONG);
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| 82 | return CMD_SUCCESS;
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| 83 | case 'i':
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| 84 | instance = (unsigned int) strtol(optarg, NULL, 10);
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| 85 | instance_set = true;
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| 86 | break;
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| 87 | }
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| 88 | }
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| 89 |
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| 90 | if (instance_set) {
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| 91 | argc -= 2;
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| 92 | t_argv = &argv[2];
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| 93 | } else
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| 94 | t_argv = &argv[0];
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| 95 |
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| 96 | if ((argc < 3) || (argc > 5)) {
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| 97 | printf("%s: invalid number of arguments. Try `mount --help'\n",
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| 98 | cmdname);
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| 99 | return CMD_FAILURE;
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| 100 | }
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| 101 | if (argc > 3)
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| 102 | dev = t_argv[3];
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| 103 | if (argc == 5)
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| 104 | mopts = t_argv[4];
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| 105 |
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| 106 | rc = mount(t_argv[1], t_argv[2], dev, mopts, 0, instance);
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| 107 | if (rc != EOK) {
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| 108 | printf("Unable to mount %s filesystem to %s on %s (rc=%d)\n",
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| 109 | t_argv[1], t_argv[2], t_argv[3], rc);
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| 110 | return CMD_FAILURE;
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| 111 | }
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| 112 |
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| 113 | return CMD_SUCCESS;
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| 114 | }
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| 115 |
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