Branch data Line data Source code
1 : : /*
2 : : * Copyright (c) 2016, Citrix Systems, Inc.
3 : : *
4 : : * All rights reserved.
5 : : *
6 : : * Redistribution and use in source and binary forms, with or without
7 : : * modification, are permitted provided that the following conditions are met:
8 : : *
9 : : * 1. Redistributions of source code must retain the above copyright
10 : : * notice, this list of conditions and the following disclaimer.
11 : : * 2. Redistributions in binary form must reproduce the above copyright
12 : : * notice, this list of conditions and the following disclaimer in the
13 : : * documentation and/or other materials provided with the distribution.
14 : : * 3. Neither the name of the copyright holder nor the names of its
15 : : * contributors may be used to endorse or promote products derived from
16 : : * this software without specific prior written permission.
17 : : *
18 : : * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 : : * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 : : * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 : : * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
22 : : * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23 : : * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24 : : * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
25 : : * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
26 : : * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
27 : : * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 : : * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 : : */
30 : :
31 : : #ifdef HAVE_CONFIG_H
32 : : #include "config.h"
33 : : #endif
34 : :
35 : : #include <errno.h>
36 : : #include <fcntl.h>
37 : : #include <stdio.h>
38 : : #include <stdlib.h>
39 : : #include <unistd.h>
40 : :
41 : : #include "libvhd.h"
42 : :
43 : : int
44 : 0 : vhd_util_repair(int argc, char **argv)
45 : : {
46 : : char *name;
47 : : int err, c;
48 : : vhd_context_t vhd;
49 : 0 : int flags = VHD_OPEN_RDWR;
50 : :
51 : 0 : name = NULL;
52 : :
53 [ # # ]: 0 : if (!argc || !argv)
54 : : goto usage;
55 : :
56 : 0 : optind = 0;
57 [ # # ]: 0 : while ((c = getopt(argc, argv, "n:bh")) != -1) {
58 [ # # # ]: 0 : switch (c) {
59 : : case 'n':
60 : 0 : name = optarg;
61 : 0 : break;
62 : : case 'b':
63 : : flags |= VHD_OPEN_USE_BKP_FOOTER;
64 : : break;
65 : : case 'h':
66 : : default:
67 : : goto usage;
68 : : }
69 : : }
70 : :
71 [ # # ][ # # ]: 0 : if (!name || optind != argc)
72 : : goto usage;
73 : :
74 : 0 : err = vhd_open(&vhd, name, flags);
75 [ # # ]: 0 : if (err) {
76 : : printf("error opening %s: %d\n", name, err);
77 : 0 : return err;
78 : : }
79 : :
80 : 0 : err = vhd_get_footer(&vhd);
81 [ # # ]: 0 : if (err) {
82 : : printf("error reading footer %s: %d\n", name, err);
83 : : return err;
84 : : }
85 [ # # ]: 0 : if (uuid_is_null(vhd.footer.uuid))
86 : 0 : uuid_generate(vhd.footer.uuid);
87 : :
88 : 0 : err = vhd_write_footer(&vhd, &vhd.footer);
89 [ # # ]: 0 : if (err)
90 : : printf("error writing footer: %d\n", err);
91 : :
92 : 0 : vhd_close(&vhd);
93 : : return err;
94 : :
95 : : usage:
96 : : printf("options: <-n name> <-b use the back-up footer> [-h help]\n");
97 : : return -EINVAL;
98 : : }
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