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 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 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 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