1 /*
2 * Copyright (c) 2017-2018 The DragonFly Project. All rights reserved.
3 *
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@dragonflybsd.org>
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
16 * distribution.
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
21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
27 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
28 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include "hammer2.h"
33
34 static int pathdir(const char *path, const char **lastp);
35
36 int
cmd_destroy_path(int ac,const char ** av)37 cmd_destroy_path(int ac, const char **av)
38 {
39 hammer2_ioc_destroy_t destroy;
40 const char *last;
41 int i;
42 int fd;
43 int ecode = 0;
44
45 for (i = 0; i < ac; ++i) {
46 bzero(&destroy, sizeof(destroy));
47 destroy.cmd = HAMMER2_DELETE_FILE;
48 printf("%s\t", av[i]);
49 fflush(stdout);
50 fd = pathdir(av[i], &last);
51 if (fd >= 0) {
52 snprintf(destroy.path, sizeof(destroy.path),
53 "%s", last);
54 if (ioctl(fd, HAMMER2IOC_DESTROY, &destroy) < 0) {
55 printf("%s\n", strerror(errno));
56 ecode = 1;
57 } else {
58 printf("ok\n");
59 }
60 close(fd);
61 } else {
62 printf("%s\n", strerror(errno));
63 ecode = 1;
64 }
65 }
66 return ecode;
67 }
68
69 static
70 int
pathdir(const char * path,const char ** lastp)71 pathdir(const char *path, const char **lastp)
72 {
73 const char *ptr;
74 char *npath;
75 int fd;
76
77 ptr = path + strlen(path);
78 while (ptr > path && ptr[-1] != '/')
79 --ptr;
80 *lastp = ptr;
81 if (ptr == path) {
82 fd = open(".", O_RDONLY);
83 } else {
84 asprintf(&npath, "%*.*s",
85 (int)(ptr - path), (int)(ptr - path), path);
86 fd = open(npath, O_RDONLY);
87 free(npath);
88 }
89
90 return fd;
91 }
92
93 int
cmd_destroy_inum(const char * sel_path,int ac,const char ** av)94 cmd_destroy_inum(const char *sel_path, int ac, const char **av)
95 {
96 hammer2_ioc_destroy_t destroy;
97 int i;
98 int fd;
99 int ecode = 0;
100
101 fd = hammer2_ioctl_handle(sel_path);
102 if (fd < 0)
103 return 1;
104
105 printf("deleting inodes on %s\n", sel_path);
106 for (i = 0; i < ac; ++i) {
107 bzero(&destroy, sizeof(destroy));
108 destroy.cmd = HAMMER2_DELETE_INUM;
109 destroy.inum = strtoul(av[i], NULL, 0);
110 printf("%16jd ", (intmax_t)destroy.inum);
111 if (ioctl(fd, HAMMER2IOC_DESTROY, &destroy) < 0) {
112 printf("%s\n", strerror(errno));
113 ecode = 1;
114 } else {
115 printf("ok\n");
116 }
117 }
118 close(fd);
119
120 return ecode;
121 }
122